fontconfig libX11 mesa pixman git update 10 dec 2012

libX11 9833489e6c3829a1e835bc0a11f028fc180809e4
mesa 17f5dc57306b8f5079304701e455bf4b927d3cae
pixman 8ca4e144724ba2041bc5ef077ccf6d24e7cf4d1f
fontconfig 608c5b590bd3428dfcd30f3d68ee8b7131e2f019

38 files changed, 2839 insertions, 211 deletions

diff --git a/mesalib/src/mesa/Android.libmesa_glsl_utils.mk b/mesalib/src/mesa/Android.libmesa_glsl_utils.mk
index 480275795..9beeda57f 100644
--- a/mesalib/src/mesa/Android.libmesa_glsl_utils.mk
+++ b/mesalib/src/mesa/Android.libmesa_glsl_utils.mk
@@ -36,7 +36,8 @@ include $(CLEAR_VARS)
 LOCAL_MODULE := libmesa_glsl_utils
 
 LOCAL_SRC_FILES := \
-	program/hash_table.c \
+	main/hash_table.c \
+	program/prog_hash_table.c \
 	program/symbol_table.c
 
 include $(MESA_COMMON_MK)
@@ -52,7 +53,8 @@ LOCAL_MODULE := libmesa_glsl_utils
 LOCAL_IS_HOST_MODULE := true
 
 LOCAL_SRC_FILES := \
-	program/hash_table.c \
+	main/hash_table.c \
+	program/prog_hash_table.c \
 	program/symbol_table.c
 
 include $(MESA_COMMON_MK)
diff --git a/mesalib/src/mesa/SConscript b/mesalib/src/mesa/SConscript
index be1ed5f60..a2492f771 100644
--- a/mesalib/src/mesa/SConscript
+++ b/mesalib/src/mesa/SConscript
@@ -107,6 +107,7 @@ main_sources = [
     'main/renderbuffer.c',
     'main/samplerobj.c',
     'main/scissor.c',
+    'main/set.c',
     'main/shaderapi.c',
     'main/shaderobj.c',
     'main/shader_query.cpp',
@@ -293,7 +294,7 @@ env.Append(CPPPATH = [Dir('.').abspath])
 
 program_sources = [
     'program/arbprogparse.c',
-    'program/hash_table.c',
+    'program/prog_hash_table.c',
     'program/ir_to_mesa.cpp',
     'program/program.c',
     'program/program_parse_extra.c',
diff --git a/mesalib/src/mesa/drivers/common/meta.c b/mesalib/src/mesa/drivers/common/meta.c
index d5e8af3c0..ac036eaac 100644
--- a/mesalib/src/mesa/drivers/common/meta.c
+++ b/mesalib/src/mesa/drivers/common/meta.c
@@ -133,6 +133,7 @@ struct save_state
    struct gl_vertex_program *VertexProgram;
    GLboolean FragmentProgramEnabled;
    struct gl_fragment_program *FragmentProgram;
+   GLboolean ATIFragmentShaderEnabled;
    struct gl_shader_program *VertexShader;
    struct gl_shader_program *GeometryShader;
    struct gl_shader_program *FragmentShader;
@@ -594,6 +595,11 @@ _mesa_meta_begin(struct gl_context *ctx, GLbitfield state)
          _mesa_set_enable(ctx, GL_FRAGMENT_PROGRAM_ARB, GL_FALSE);
       }
 
+      if (ctx->API == API_OPENGL_COMPAT && ctx->Extensions.ATI_fragment_shader) {
+         save->ATIFragmentShaderEnabled = ctx->ATIFragmentShader.Enabled;
+         _mesa_set_enable(ctx, GL_FRAGMENT_SHADER_ATI, GL_FALSE);
+      }
+
       if (ctx->Extensions.ARB_shader_objects) {
 	 _mesa_reference_shader_program(ctx, &save->VertexShader,
 					ctx->Shader.CurrentVertexProgram);
@@ -914,6 +920,11 @@ _mesa_meta_end(struct gl_context *ctx)
 	 _mesa_reference_fragprog(ctx, &save->FragmentProgram, NULL);
       }
 
+      if (ctx->API == API_OPENGL_COMPAT && ctx->Extensions.ATI_fragment_shader) {
+         _mesa_set_enable(ctx, GL_FRAGMENT_SHADER_ATI,
+                          save->ATIFragmentShaderEnabled);
+      }
+
       if (ctx->Extensions.ARB_vertex_shader)
 	 _mesa_use_shader_program(ctx, GL_VERTEX_SHADER, save->VertexShader);
 
@@ -1844,23 +1855,8 @@ meta_glsl_clear_init(struct gl_context *ctx, struct clear_state *clear)
       "{\n"
       "   gl_FragColor = color;\n"
       "}\n";
-   const char *vs_int_source =
-      "#version 130\n"
-      "in vec4 position;\n"
-      "void main()\n"
-      "{\n"
-      "   gl_Position = position;\n"
-      "}\n";
-   const char *fs_int_source =
-      "#version 130\n"
-      "uniform ivec4 color;\n"
-      "out ivec4 out_color;\n"
-      "\n"
-      "void main()\n"
-      "{\n"
-      "   out_color = color;\n"
-      "}\n";
    GLuint vs, fs;
+   bool has_integer_textures;
 
    if (clear->ArrayObj != 0)
       return;
@@ -1896,9 +1892,35 @@ meta_glsl_clear_init(struct gl_context *ctx, struct clear_state *clear)
    clear->ColorLocation = _mesa_GetUniformLocation(clear->ShaderProg,
 						      "color");
 
-   if (_mesa_is_desktop_gl(ctx) && ctx->Const.GLSLVersion >= 130) {
+   has_integer_textures = _mesa_is_gles3(ctx) ||
+      (_mesa_is_desktop_gl(ctx) && ctx->Const.GLSLVersion >= 130);
+
+   if (has_integer_textures) {
+      void *shader_source_mem_ctx = ralloc_context(NULL);
+      const char *vs_int_source =
+         ralloc_asprintf(shader_source_mem_ctx,
+                         "#version %s\n"
+                         "in vec4 position;\n"
+                         "void main()\n"
+                         "{\n"
+                         "   gl_Position = position;\n"
+                         "}\n",
+                         _mesa_is_desktop_gl(ctx) ? "130" : "300 es");
+      const char *fs_int_source =
+         ralloc_asprintf(shader_source_mem_ctx,
+                         "#version %s\n"
+                         "uniform ivec4 color;\n"
+                         "out ivec4 out_color;\n"
+                         "\n"
+                         "void main()\n"
+                         "{\n"
+                         "   out_color = color;\n"
+                         "}\n",
+                         _mesa_is_desktop_gl(ctx) ? "130" : "300 es");
+
       vs = compile_shader_with_debug(ctx, GL_VERTEX_SHADER, vs_int_source);
       fs = compile_shader_with_debug(ctx, GL_FRAGMENT_SHADER, fs_int_source);
+      ralloc_free(shader_source_mem_ctx);
 
       clear->IntegerShaderProg = _mesa_CreateProgramObjectARB();
       _mesa_AttachShader(clear->IntegerShaderProg, fs);
@@ -3101,18 +3123,19 @@ setup_glsl_generate_mipmap(struct gl_context *ctx,
                                   sampler->func, sampler->texcoords);
    }
    else {
-      vs_source =
-         "#version 130\n"
-         "in vec2 position;\n"
-         "in vec3 textureCoords;\n"
-         "out vec3 texCoords;\n"
-         "void main()\n"
-         "{\n"
-         "   texCoords = textureCoords;\n"
-         "   gl_Position = vec4(position, 0.0, 1.0);\n"
-         "}\n";
+      vs_source = ralloc_asprintf(mem_ctx,
+                                  "#version %s\n"
+                                  "in vec2 position;\n"
+                                  "in vec3 textureCoords;\n"
+                                  "out vec3 texCoords;\n"
+                                  "void main()\n"
+                                  "{\n"
+                                  "   texCoords = textureCoords;\n"
+                                  "   gl_Position = vec4(position, 0.0, 1.0);\n"
+                                  "}\n",
+                                  _mesa_is_desktop_gl(ctx) ? "130" : "300 es");
       fs_source = ralloc_asprintf(mem_ctx,
-                                  "#version 130\n"
+                                  "#version %s\n"
                                   "uniform %s texSampler;\n"
                                   "in vec3 texCoords;\n"
                                   "out vec4 out_color;\n"
@@ -3121,6 +3144,7 @@ setup_glsl_generate_mipmap(struct gl_context *ctx,
                                   "{\n"
                                   "   out_color = texture(texSampler, %s);\n"
                                   "}\n",
+                                  _mesa_is_desktop_gl(ctx) ? "130" : "300 es",
                                   sampler->type,
                                   sampler->texcoords);
    }
diff --git a/mesalib/src/mesa/drivers/dri/common/drisw_util.c b/mesalib/src/mesa/drivers/dri/common/drisw_util.c
index 8fdb05ec3..cd5a39a37 100644
--- a/mesalib/src/mesa/drivers/dri/common/drisw_util.c
+++ b/mesalib/src/mesa/drivers/dri/common/drisw_util.c
@@ -126,7 +126,10 @@ driCreateContextAttribs(__DRIscreen *screen, int api,
             mesa_api = API_OPENGLES2;
             break;
     case __DRI_API_OPENGL_CORE:
+            mesa_api = API_OPENGL_CORE;
+            break;
     default:
+            *error = __DRI_CTX_ERROR_BAD_API;
             return NULL;
     }
 
@@ -149,6 +152,19 @@ driCreateContextAttribs(__DRIscreen *screen, int api,
 	}
     }
 
+    /* Mesa does not support the GL_ARB_compatibilty extension or the
+     * compatibility profile.  This means that we treat a API_OPENGL_COMPAT 3.1 as
+     * API_OPENGL_CORE and reject API_OPENGL_COMPAT 3.2+.
+     */
+    if (mesa_api == API_OPENGL_COMPAT && major_version == 3 && minor_version == 1)
+       mesa_api = API_OPENGL_CORE;
+
+    if (mesa_api == API_OPENGL_COMPAT
+        && ((major_version > 3)
+            || (major_version == 3 && minor_version >= 2))) {
+       *error = __DRI_CTX_ERROR_BAD_API;
+       return NULL;
+    }
     /* There are no forward-compatible contexts before OpenGL 3.0.  The
      * GLX_ARB_create_context spec says:
      *
diff --git a/mesalib/src/mesa/main/bufferobj.c b/mesalib/src/mesa/main/bufferobj.c
index 5521617f1..6733644b6 100644
--- a/mesalib/src/mesa/main/bufferobj.c
+++ b/mesalib/src/mesa/main/bufferobj.c
@@ -2160,17 +2160,19 @@ _mesa_BindBufferRange(GLenum target, GLuint index,
       return;
    }
 
-   if (size <= 0) {
-      _mesa_error(ctx, GL_INVALID_VALUE, "glBindBufferRange(size=%d)",
-		  (int) size);
-      return;
-   }
+   if (buffer != 0) {
+      if (size <= 0) {
+         _mesa_error(ctx, GL_INVALID_VALUE, "glBindBufferRange(size=%d)",
+                     (int) size);
+         return;
+      }
 
-   if (offset + size > bufObj->Size) {
-      _mesa_error(ctx, GL_INVALID_VALUE,
-                  "glBindBufferRange(offset + size %d > buffer size %d)",
-		  (int) (offset + size), (int) (bufObj->Size));
-      return;
+      if (offset + size > bufObj->Size) {
+         _mesa_error(ctx, GL_INVALID_VALUE,
+                     "glBindBufferRange(offset + size %d > buffer size %d)",
+                     (int) (offset + size), (int) (bufObj->Size));
+         return;
+      }
    }
 
    switch (target) {
diff --git a/mesalib/src/mesa/main/extensions.c b/mesalib/src/mesa/main/extensions.c
index 150d41e04..11cbea2b4 100644
--- a/mesalib/src/mesa/main/extensions.c
+++ b/mesalib/src/mesa/main/extensions.c
@@ -80,6 +80,7 @@ struct extension {
 static const struct extension extension_table[] = {
    /* ARB Extensions */
    { "GL_ARB_ES2_compatibility",                   o(ARB_ES2_compatibility),                   GL,             2009 },
+   { "GL_ARB_ES3_compatibility",                   o(ARB_ES3_compatibility),                   GL,             2012 },
    { "GL_ARB_base_instance",                       o(ARB_base_instance),                       GL,             2011 },
    { "GL_ARB_blend_func_extended",                 o(ARB_blend_func_extended),                 GL,             2009 },
    { "GL_ARB_color_buffer_float",                  o(ARB_color_buffer_float),                  GL,             2004 },
diff --git a/mesalib/src/mesa/main/ff_fragment_shader.cpp b/mesalib/src/mesa/main/ff_fragment_shader.cpp
index 3a80ab7f3..02b4707f0 100644
--- a/mesalib/src/mesa/main/ff_fragment_shader.cpp
+++ b/mesalib/src/mesa/main/ff_fragment_shader.cpp
@@ -1309,6 +1309,7 @@ create_new_program(struct gl_context *ctx, struct state_key *key)
    p.shader_program->InternalSeparateShader = GL_TRUE;
 
    state->language_version = 130;
+   state->es_shader = false;
    if (ctx->Extensions.OES_EGL_image_external)
       state->OES_EGL_image_external_enable = true;
    _mesa_glsl_initialize_types(state);
diff --git a/mesalib/src/mesa/main/format_unpack.c b/mesalib/src/mesa/main/format_unpack.c
index 04fd1d698..d34a27b82 100644
--- a/mesalib/src/mesa/main/format_unpack.c
+++ b/mesalib/src/mesa/main/format_unpack.c
@@ -57,8 +57,8 @@ struct z32f_x24s8
  * linear RGB value in [0, 1].
  * Implemented with a 256-entry lookup table.
  */
-static inline GLfloat
-nonlinear_to_linear(GLubyte cs8)
+GLfloat
+_mesa_nonlinear_to_linear(GLubyte cs8)
 {
    static GLfloat table[256];
    static GLboolean tableReady = GL_FALSE;
@@ -742,9 +742,9 @@ unpack_SRGB8(const void *src, GLfloat dst[][4], GLuint n)
    const GLubyte *s = (const GLubyte *) src;
    GLuint i;
    for (i = 0; i < n; i++) {
-      dst[i][RCOMP] = nonlinear_to_linear(s[i*3+2]);
-      dst[i][GCOMP] = nonlinear_to_linear(s[i*3+1]);
-      dst[i][BCOMP] = nonlinear_to_linear(s[i*3+0]);
+      dst[i][RCOMP] = _mesa_nonlinear_to_linear(s[i*3+2]);
+      dst[i][GCOMP] = _mesa_nonlinear_to_linear(s[i*3+1]);
+      dst[i][BCOMP] = _mesa_nonlinear_to_linear(s[i*3+0]);
       dst[i][ACOMP] = 1.0F;
    }
 }
@@ -755,9 +755,9 @@ unpack_SRGBA8(const void *src, GLfloat dst[][4], GLuint n)
    const GLuint *s = ((const GLuint *) src);
    GLuint i;
    for (i = 0; i < n; i++) {
-      dst[i][RCOMP] = nonlinear_to_linear( (s[i] >> 24) );
-      dst[i][GCOMP] = nonlinear_to_linear( (s[i] >> 16) & 0xff );
-      dst[i][BCOMP] = nonlinear_to_linear( (s[i] >>  8) & 0xff );
+      dst[i][RCOMP] = _mesa_nonlinear_to_linear( (s[i] >> 24) );
+      dst[i][GCOMP] = _mesa_nonlinear_to_linear( (s[i] >> 16) & 0xff );
+      dst[i][BCOMP] = _mesa_nonlinear_to_linear( (s[i] >>  8) & 0xff );
       dst[i][ACOMP] = UBYTE_TO_FLOAT( s[i] & 0xff ); /* linear! */
    }
 }
@@ -768,9 +768,9 @@ unpack_SARGB8(const void *src, GLfloat dst[][4], GLuint n)
    const GLuint *s = ((const GLuint *) src);
    GLuint i;
    for (i = 0; i < n; i++) {
-      dst[i][RCOMP] = nonlinear_to_linear( (s[i] >> 16) & 0xff );
-      dst[i][GCOMP] = nonlinear_to_linear( (s[i] >>  8) & 0xff );
-      dst[i][BCOMP] = nonlinear_to_linear( (s[i]      ) & 0xff );
+      dst[i][RCOMP] = _mesa_nonlinear_to_linear( (s[i] >> 16) & 0xff );
+      dst[i][GCOMP] = _mesa_nonlinear_to_linear( (s[i] >>  8) & 0xff );
+      dst[i][BCOMP] = _mesa_nonlinear_to_linear( (s[i]      ) & 0xff );
       dst[i][ACOMP] = UBYTE_TO_FLOAT( s[i] >> 24 ); /* linear! */
    }
 }
@@ -783,7 +783,7 @@ unpack_SL8(const void *src, GLfloat dst[][4], GLuint n)
    for (i = 0; i < n; i++) {
       dst[i][RCOMP] = 
       dst[i][GCOMP] = 
-      dst[i][BCOMP] = nonlinear_to_linear(s[i]);
+      dst[i][BCOMP] = _mesa_nonlinear_to_linear(s[i]);
       dst[i][ACOMP] = 1.0F;
    }
 }
@@ -796,7 +796,7 @@ unpack_SLA8(const void *src, GLfloat dst[][4], GLuint n)
    for (i = 0; i < n; i++) {
       dst[i][RCOMP] =
       dst[i][GCOMP] =
-      dst[i][BCOMP] = nonlinear_to_linear(s[i] & 0xff);
+      dst[i][BCOMP] = _mesa_nonlinear_to_linear(s[i] & 0xff);
       dst[i][ACOMP] = UBYTE_TO_FLOAT(s[i] >> 8); /* linear! */
    }
 }
@@ -1337,6 +1337,68 @@ unpack_ETC1_RGB8(const void *src, GLfloat dst[][4], GLuint n)
 }
 
 static void
+unpack_ETC2_RGB8(const void *src, GLfloat dst[][4], GLuint n)
+{
+   /* XXX to do */
+}
+
+static void
+unpack_ETC2_SRGB8(const void *src, GLfloat dst[][4], GLuint n)
+{
+   /* XXX to do */
+}
+
+static void
+unpack_ETC2_RGBA8_EAC(const void *src, GLfloat dst[][4], GLuint n)
+{
+   /* XXX to do */
+}
+
+static void
+unpack_ETC2_SRGB8_ALPHA8_EAC(const void *src, GLfloat dst[][4], GLuint n)
+{
+   /* XXX to do */
+}
+
+static void
+unpack_ETC2_R11_EAC(const void *src, GLfloat dst[][4], GLuint n)
+{
+   /* XXX to do */
+}
+
+static void
+unpack_ETC2_RG11_EAC(const void *src, GLfloat dst[][4], GLuint n)
+{
+   /* XXX to do */
+}
+
+static void
+unpack_ETC2_SIGNED_R11_EAC(const void *src, GLfloat dst[][4], GLuint n)
+{
+   /* XXX to do */
+}
+
+static void
+unpack_ETC2_SIGNED_RG11_EAC(const void *src, GLfloat dst[][4], GLuint n)
+{
+   /* XXX to do */
+}
+
+static void
+unpack_ETC2_RGB8_PUNCHTHROUGH_ALPHA1(const void *src, GLfloat dst[][4],
+                                      GLuint n)
+{
+   /* XXX to do */
+}
+
+static void
+unpack_ETC2_SRGB8_PUNCHTHROUGH_ALPHA1(const void *src, GLfloat dst[][4],
+                                      GLuint n)
+{
+   /* XXX to do */
+}
+
+static void
 unpack_SIGNED_A8(const void *src, GLfloat dst[][4], GLuint n)
 {
    const GLbyte *s = ((const GLbyte *) src);
@@ -1585,7 +1647,18 @@ get_unpack_rgba_function(gl_format format)
       table[MESA_FORMAT_SIGNED_LA_LATC2] = unpack_SIGNED_LA_LATC2;
 
       table[MESA_FORMAT_ETC1_RGB8] = unpack_ETC1_RGB8;
-
+      table[MESA_FORMAT_ETC2_RGB8] = unpack_ETC2_RGB8;
+      table[MESA_FORMAT_ETC2_SRGB8] = unpack_ETC2_SRGB8;
+      table[MESA_FORMAT_ETC2_RGBA8_EAC] = unpack_ETC2_RGBA8_EAC;
+      table[MESA_FORMAT_ETC2_SRGB8_ALPHA8_EAC] = unpack_ETC2_SRGB8_ALPHA8_EAC;
+      table[MESA_FORMAT_ETC2_R11_EAC] = unpack_ETC2_R11_EAC;
+      table[MESA_FORMAT_ETC2_RG11_EAC] = unpack_ETC2_RG11_EAC;
+      table[MESA_FORMAT_ETC2_SIGNED_R11_EAC] = unpack_ETC2_SIGNED_R11_EAC;
+      table[MESA_FORMAT_ETC2_SIGNED_RG11_EAC] = unpack_ETC2_SIGNED_RG11_EAC;
+      table[MESA_FORMAT_ETC2_RGB8_PUNCHTHROUGH_ALPHA1] =
+         unpack_ETC2_RGB8_PUNCHTHROUGH_ALPHA1;
+      table[MESA_FORMAT_ETC2_RGB8_PUNCHTHROUGH_ALPHA1] =
+         unpack_ETC2_SRGB8_PUNCHTHROUGH_ALPHA1;
       table[MESA_FORMAT_SIGNED_A8] = unpack_SIGNED_A8;
       table[MESA_FORMAT_SIGNED_L8] = unpack_SIGNED_L8;
       table[MESA_FORMAT_SIGNED_AL88] = unpack_SIGNED_AL88;
diff --git a/mesalib/src/mesa/main/format_unpack.h b/mesalib/src/mesa/main/format_unpack.h
index aad800dd1..29c526319 100644
--- a/mesalib/src/mesa/main/format_unpack.h
+++ b/mesalib/src/mesa/main/format_unpack.h
@@ -24,6 +24,9 @@
 #ifndef FORMAT_UNPACK_H
 #define FORMAT_UNPACK_H
 
+extern GLfloat
+_mesa_nonlinear_to_linear(GLubyte cs8);
+
 extern void
 _mesa_unpack_rgba_row(gl_format format, GLuint n,
                       const void *src, GLfloat dst[][4]);
diff --git a/mesalib/src/mesa/main/formats.c b/mesalib/src/mesa/main/formats.c
index df23af1dd..47a1d6802 100644
--- a/mesalib/src/mesa/main/formats.c
+++ b/mesalib/src/mesa/main/formats.c
@@ -1398,6 +1398,106 @@ static struct gl_format_info format_info[MESA_FORMAT_COUNT] =
       4, 4, 8                     /* 8 bytes per 4x4 block */
    },
 
+   {
+      MESA_FORMAT_ETC2_RGB8,
+      "MESA_FORMAT_ETC2_RGB8",
+      GL_RGB,
+      GL_UNSIGNED_NORMALIZED,
+      8, 8, 8, 0,
+      0, 0, 0, 0, 0,
+      4, 4, 8                     /* 8 bytes per 4x4 block */
+   },
+
+   {
+      MESA_FORMAT_ETC2_SRGB8,
+      "MESA_FORMAT_ETC2_SRGB8",
+      GL_RGB,
+      GL_UNSIGNED_NORMALIZED,
+      8, 8, 8, 0,
+      0, 0, 0, 0, 0,
+      4, 4, 8                     /* 8 bytes per 4x4 block */
+   },
+
+   {
+      MESA_FORMAT_ETC2_RGBA8_EAC,
+      "MESA_FORMAT_ETC2_RGBA8_EAC",
+      GL_RGBA,
+      GL_UNSIGNED_NORMALIZED,
+      8, 8, 8, 8,
+      0, 0, 0, 0, 0,
+      4, 4, 16                    /* 16 bytes per 4x4 block */
+   },
+
+   {
+      MESA_FORMAT_ETC2_SRGB8_ALPHA8_EAC,
+      "MESA_FORMAT_ETC2_SRGB8_ALPHA8_EAC",
+      GL_RGBA,
+      GL_UNSIGNED_NORMALIZED,
+      8, 8, 8, 8,
+      0, 0, 0, 0, 0,
+      4, 4, 16                    /* 16 bytes per 4x4 block */
+   },
+
+   {
+      MESA_FORMAT_ETC2_R11_EAC,
+      "MESA_FORMAT_ETC2_R11_EAC",
+      GL_RED,
+      GL_UNSIGNED_NORMALIZED,
+      11, 0, 0, 0,
+      0, 0, 0, 0, 0,
+      4, 4, 8                    /* 8 bytes per 4x4 block */
+   },
+
+   {
+      MESA_FORMAT_ETC2_RG11_EAC,
+      "MESA_FORMAT_ETC2_RG11_EAC",
+      GL_RG,
+      GL_UNSIGNED_NORMALIZED,
+      11, 11, 0, 0,
+      0, 0, 0, 0, 0,
+      4, 4, 16                    /* 16 bytes per 4x4 block */
+   },
+
+   {
+      MESA_FORMAT_ETC2_SIGNED_R11_EAC,
+      "MESA_FORMAT_ETC2_SIGNED_R11_EAC",
+      GL_RED,
+      GL_SIGNED_NORMALIZED,
+      11, 0, 0, 0,
+      0, 0, 0, 0, 0,
+      4, 4, 8                    /* 8 bytes per 4x4 block */
+   },
+
+   {
+      MESA_FORMAT_ETC2_SIGNED_RG11_EAC,
+      "MESA_FORMAT_ETC2_SIGNED_RG11_EAC",
+      GL_RG,
+      GL_SIGNED_NORMALIZED,
+      11, 11, 0, 0,
+      0, 0, 0, 0, 0,
+      4, 4, 16                    /* 16 bytes per 4x4 block */
+   },
+
+   {
+      MESA_FORMAT_ETC2_RGB8_PUNCHTHROUGH_ALPHA1,
+      "MESA_FORMAT_ETC2_RGB8_PUNCHTHROUGH_ALPHA1",
+      GL_RGBA,
+      GL_UNSIGNED_NORMALIZED,
+      8, 8, 8, 1,
+      0, 0, 0, 0, 0,
+      4, 4, 8                     /* 8 bytes per 4x4 block */
+   },
+
+   {
+      MESA_FORMAT_ETC2_SRGB8_PUNCHTHROUGH_ALPHA1,
+      "MESA_FORMAT_ETC2_SRGB8_PUNCHTHROUGH_ALPHA1",
+      GL_RGBA,
+      GL_UNSIGNED_NORMALIZED,
+      8, 8, 8, 1,
+      0, 0, 0, 0, 0,
+      4, 4, 8                     /* 8 bytes per 4x4 block */
+   },
+
    /* Signed formats from EXT_texture_snorm that are not in GL3.1 */
    {
       MESA_FORMAT_SIGNED_A8,
@@ -1840,7 +1940,20 @@ _mesa_get_uncompressed_format(gl_format format)
    case MESA_FORMAT_SIGNED_LA_LATC2:
       return MESA_FORMAT_SIGNED_AL88;
    case MESA_FORMAT_ETC1_RGB8:
+   case MESA_FORMAT_ETC2_RGB8:
+   case MESA_FORMAT_ETC2_SRGB8:
       return MESA_FORMAT_RGB888;
+   case MESA_FORMAT_ETC2_RGBA8_EAC:
+   case MESA_FORMAT_ETC2_SRGB8_ALPHA8_EAC:
+   case MESA_FORMAT_ETC2_RGB8_PUNCHTHROUGH_ALPHA1:
+   case MESA_FORMAT_ETC2_SRGB8_PUNCHTHROUGH_ALPHA1:
+      return MESA_FORMAT_RGBA8888;
+   case MESA_FORMAT_ETC2_R11_EAC:
+   case MESA_FORMAT_ETC2_SIGNED_R11_EAC:
+      return MESA_FORMAT_R16;
+   case MESA_FORMAT_ETC2_RG11_EAC:
+   case MESA_FORMAT_ETC2_SIGNED_RG11_EAC:
+      return MESA_FORMAT_RG1616;
    default:
 #ifdef DEBUG
       assert(!_mesa_is_format_compressed(format));
@@ -2282,6 +2395,16 @@ _mesa_format_to_type_and_comps(gl_format format,
    case MESA_FORMAT_LA_LATC2:
    case MESA_FORMAT_SIGNED_LA_LATC2:
    case MESA_FORMAT_ETC1_RGB8:
+   case MESA_FORMAT_ETC2_RGB8:
+   case MESA_FORMAT_ETC2_SRGB8:
+   case MESA_FORMAT_ETC2_RGBA8_EAC:
+   case MESA_FORMAT_ETC2_SRGB8_ALPHA8_EAC:
+   case MESA_FORMAT_ETC2_R11_EAC:
+   case MESA_FORMAT_ETC2_RG11_EAC:
+   case MESA_FORMAT_ETC2_SIGNED_R11_EAC:
+   case MESA_FORMAT_ETC2_SIGNED_RG11_EAC:
+   case MESA_FORMAT_ETC2_RGB8_PUNCHTHROUGH_ALPHA1:
+   case MESA_FORMAT_ETC2_SRGB8_PUNCHTHROUGH_ALPHA1:
       /* XXX generate error instead? */
       *datatype = GL_UNSIGNED_BYTE;
       *comps = 0;
@@ -2912,6 +3035,16 @@ _mesa_format_matches_format_and_type(gl_format gl_format,
       return GL_FALSE;
 
    case MESA_FORMAT_ETC1_RGB8:
+   case MESA_FORMAT_ETC2_RGB8:
+   case MESA_FORMAT_ETC2_SRGB8:
+   case MESA_FORMAT_ETC2_RGBA8_EAC:
+   case MESA_FORMAT_ETC2_SRGB8_ALPHA8_EAC:
+   case MESA_FORMAT_ETC2_R11_EAC:
+   case MESA_FORMAT_ETC2_RG11_EAC:
+   case MESA_FORMAT_ETC2_SIGNED_R11_EAC:
+   case MESA_FORMAT_ETC2_SIGNED_RG11_EAC:
+   case MESA_FORMAT_ETC2_RGB8_PUNCHTHROUGH_ALPHA1:
+   case MESA_FORMAT_ETC2_SRGB8_PUNCHTHROUGH_ALPHA1:
       return GL_FALSE;
 
    case MESA_FORMAT_SIGNED_A8:
diff --git a/mesalib/src/mesa/main/formats.h b/mesalib/src/mesa/main/formats.h
index 1843eb6fc..050fce96c 100644
--- a/mesalib/src/mesa/main/formats.h
+++ b/mesalib/src/mesa/main/formats.h
@@ -259,6 +259,16 @@ typedef enum
    /*@}*/
 
    MESA_FORMAT_ETC1_RGB8,
+   MESA_FORMAT_ETC2_RGB8,
+   MESA_FORMAT_ETC2_SRGB8,
+   MESA_FORMAT_ETC2_RGBA8_EAC,
+   MESA_FORMAT_ETC2_SRGB8_ALPHA8_EAC,
+   MESA_FORMAT_ETC2_R11_EAC,
+   MESA_FORMAT_ETC2_RG11_EAC,
+   MESA_FORMAT_ETC2_SIGNED_R11_EAC,
+   MESA_FORMAT_ETC2_SIGNED_RG11_EAC,
+   MESA_FORMAT_ETC2_RGB8_PUNCHTHROUGH_ALPHA1,
+   MESA_FORMAT_ETC2_SRGB8_PUNCHTHROUGH_ALPHA1,
 
    MESA_FORMAT_SIGNED_A8,         /*                               AAAA AAAA */
    MESA_FORMAT_SIGNED_L8,         /*                               LLLL LLLL */
diff --git a/mesalib/src/mesa/main/glformats.c b/mesalib/src/mesa/main/glformats.c
index 69caef70b..fefa9c441 100644
--- a/mesalib/src/mesa/main/glformats.c
+++ b/mesalib/src/mesa/main/glformats.c
@@ -570,6 +570,16 @@ _mesa_is_color_format(GLenum format)
       case GL_COMPRESSED_SIGNED_LUMINANCE_ALPHA_LATC2_EXT:
       case GL_COMPRESSED_LUMINANCE_ALPHA_3DC_ATI:
       case GL_ETC1_RGB8_OES:
+      case GL_COMPRESSED_RGB8_ETC2:
+      case GL_COMPRESSED_SRGB8_ETC2:
+      case GL_COMPRESSED_RGBA8_ETC2_EAC:
+      case GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:
+      case GL_COMPRESSED_R11_EAC:
+      case GL_COMPRESSED_RG11_EAC:
+      case GL_COMPRESSED_SIGNED_R11_EAC:
+      case GL_COMPRESSED_SIGNED_RG11_EAC:
+      case GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2:
+      case GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2:
       /* generic integer formats */
       case GL_RED_INTEGER_EXT:
       case GL_GREEN_INTEGER_EXT:
@@ -829,6 +839,17 @@ _mesa_is_compressed_format(struct gl_context *ctx, GLenum format)
    case GL_ETC1_RGB8_OES:
       return _mesa_is_gles(ctx)
          && ctx->Extensions.OES_compressed_ETC1_RGB8_texture;
+   case GL_COMPRESSED_RGB8_ETC2:
+   case GL_COMPRESSED_SRGB8_ETC2:
+   case GL_COMPRESSED_RGBA8_ETC2_EAC:
+   case GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:
+   case GL_COMPRESSED_R11_EAC:
+   case GL_COMPRESSED_RG11_EAC:
+   case GL_COMPRESSED_SIGNED_R11_EAC:
+   case GL_COMPRESSED_SIGNED_RG11_EAC:
+   case GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2:
+   case GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2:
+      return _mesa_is_gles3(ctx);
    case GL_PALETTE4_RGB8_OES:
    case GL_PALETTE4_RGBA8_OES:
    case GL_PALETTE4_R5_G6_B5_OES:
diff --git a/mesalib/src/mesa/main/mtypes.h b/mesalib/src/mesa/main/mtypes.h
index 5bfae69c8..b353e7026 100644
--- a/mesalib/src/mesa/main/mtypes.h
+++ b/mesalib/src/mesa/main/mtypes.h
@@ -79,6 +79,8 @@ struct st_context;
 struct gl_uniform_storage;
 struct prog_instruction;
 struct gl_program_parameter_list;
+struct set;
+struct set_entry;
 /*@}*/
 
 
@@ -2184,6 +2186,7 @@ struct gl_shader
    struct gl_sl_pragmas Pragmas;
 
    unsigned Version;       /**< GLSL version used for linking */
+   GLboolean IsES;         /**< True if this shader uses GLSL ES */
 
    /**
     * \name Sampler tracking
@@ -2386,6 +2389,7 @@ struct gl_shader_program
    GLchar *InfoLog;
 
    unsigned Version;       /**< GLSL version used for linking */
+   GLboolean IsES;         /**< True if this program uses GLSL ES */
 
    /**
     * Per-stage shaders resulting from the first stage of linking.
@@ -2509,7 +2513,7 @@ struct gl_query_state
 /** Sync object state */
 struct gl_sync_object
 {
-   struct simple_node link;
+   struct set_entry *SetEntry;
    GLenum Type;               /**< GL_SYNC_FENCE */
    GLuint Name;               /**< Fence name */
    GLint RefCount;            /**< Reference count */
@@ -2576,7 +2580,7 @@ struct gl_shared_state
    struct _mesa_HashTable *FrameBuffers;
 
    /* GL_ARB_sync */
-   struct simple_node SyncObjects;
+   struct set *SyncObjects;
 
    /** GL_ARB_sampler_objects */
    struct _mesa_HashTable *SamplerObjects;
@@ -2939,6 +2943,7 @@ struct gl_extensions
    GLboolean dummy_false; /* Set false by _mesa_init_extensions(). */
    GLboolean ANGLE_texture_compression_dxt;
    GLboolean ARB_ES2_compatibility;
+   GLboolean ARB_ES3_compatibility;
    GLboolean ARB_base_instance;
    GLboolean ARB_blend_func_extended;
    GLboolean ARB_color_buffer_float;
diff --git a/mesalib/src/mesa/main/set.c b/mesalib/src/mesa/main/set.c
new file mode 100644
index 000000000..736841fc9
--- /dev/null
+++ b/mesalib/src/mesa/main/set.c
@@ -0,0 +1,348 @@
+/*
+ * Copyright © 2009-2012 Intel Corporation
+ * Copyright © 1988-2004 Keith Packard and Bart Massey.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ *
+ * Except as contained in this notice, the names of the authors
+ * or their institutions shall not be used in advertising or
+ * otherwise to promote the sale, use or other dealings in this
+ * Software without prior written authorization from the
+ * authors.
+ *
+ * Authors:
+ *    Eric Anholt <eric@anholt.net>
+ *    Keith Packard <keithp@keithp.com>
+ */
+
+#include <stdlib.h>
+
+#include "set.h"
+#include "ralloc.h"
+
+#define ARRAY_SIZE(array) (sizeof(array) / sizeof(array[0]))
+
+/*
+ * From Knuth -- a good choice for hash/rehash values is p, p-2 where
+ * p and p-2 are both prime.  These tables are sized to have an extra 10%
+ * free to avoid exponential performance degradation as the hash table fills
+ */
+
+uint32_t deleted_key_value;
+const void *deleted_key = &deleted_key_value;
+
+static const struct {
+   uint32_t max_entries, size, rehash;
+} hash_sizes[] = {
+   { 2,            5,            3            },
+   { 4,            7,            5            },
+   { 8,            13,           11           },
+   { 16,           19,           17           },
+   { 32,           43,           41           },
+   { 64,           73,           71           },
+   { 128,          151,          149          },
+   { 256,          283,          281          },
+   { 512,          571,          569          },
+   { 1024,         1153,         1151         },
+   { 2048,         2269,         2267         },
+   { 4096,         4519,         4517         },
+   { 8192,         9013,         9011         },
+   { 16384,        18043,        18041        },
+   { 32768,        36109,        36107        },
+   { 65536,        72091,        72089        },
+   { 131072,       144409,       144407       },
+   { 262144,       288361,       288359       },
+   { 524288,       576883,       576881       },
+   { 1048576,      1153459,      1153457      },
+   { 2097152,      2307163,      2307161      },
+   { 4194304,      4613893,      4613891      },
+   { 8388608,      9227641,      9227639      },
+   { 16777216,     18455029,     18455027     },
+   { 33554432,     36911011,     36911009     },
+   { 67108864,     73819861,     73819859     },
+   { 134217728,    147639589,    147639587    },
+   { 268435456,    295279081,    295279079    },
+   { 536870912,    590559793,    590559791    },
+   { 1073741824,   1181116273,   1181116271   },
+   { 2147483648ul, 2362232233ul, 2362232231ul }
+};
+
+static int
+entry_is_free(struct set_entry *entry)
+{
+   return entry->key == NULL;
+}
+
+static int
+entry_is_deleted(struct set_entry *entry)
+{
+   return entry->key == deleted_key;
+}
+
+static int
+entry_is_present(struct set_entry *entry)
+{
+   return entry->key != NULL && entry->key != deleted_key;
+}
+
+struct set *
+_mesa_set_create(void *mem_ctx,
+                 bool key_equals_function(const void *a,
+                                          const void *b))
+{
+   struct set *ht;
+
+   ht = ralloc(mem_ctx, struct set);
+   if (ht == NULL)
+      return NULL;
+
+   ht->mem_ctx = mem_ctx;
+   ht->size_index = 0;
+   ht->size = hash_sizes[ht->size_index].size;
+   ht->rehash = hash_sizes[ht->size_index].rehash;
+   ht->max_entries = hash_sizes[ht->size_index].max_entries;
+   ht->key_equals_function = key_equals_function;
+   ht->table = rzalloc_array(ht, struct set_entry, ht->size);
+   ht->entries = 0;
+   ht->deleted_entries = 0;
+
+   if (ht->table == NULL) {
+      ralloc_free(ht);
+      return NULL;
+   }
+
+   return ht;
+}
+
+/**
+ * Frees the given set.
+ *
+ * If delete_function is passed, it gets called on each entry present before
+ * freeing.
+ */
+void
+_mesa_set_destroy(struct set *ht, void (*delete_function)(struct set_entry *entry))
+{
+   if (!ht)
+      return;
+
+   if (delete_function) {
+      struct set_entry *entry;
+
+      set_foreach (ht, entry) {
+         delete_function(entry);
+      }
+   }
+   ralloc_free(ht->table);
+   ralloc_free(ht);
+}
+
+/**
+ * Finds a set entry with the given key and hash of that key.
+ *
+ * Returns NULL if no entry is found.
+ */
+struct set_entry *
+_mesa_set_search(const struct set *ht, uint32_t hash, const void *key)
+{
+   uint32_t hash_address;
+
+   hash_address = hash % ht->size;
+   do {
+      uint32_t double_hash;
+
+      struct set_entry *entry = ht->table + hash_address;
+
+      if (entry_is_free(entry)) {
+         return NULL;
+      } else if (entry_is_present(entry) && entry->hash == hash) {
+         if (ht->key_equals_function(key, entry->key)) {
+            return entry;
+         }
+      }
+
+      double_hash = 1 + hash % ht->rehash;
+
+      hash_address = (hash_address + double_hash) % ht->size;
+   } while (hash_address != hash % ht->size);
+
+   return NULL;
+}
+
+static void
+set_rehash(struct set *ht, int new_size_index)
+{
+   struct set old_ht;
+   struct set_entry *table, *entry;
+
+   if (new_size_index >= ARRAY_SIZE(hash_sizes))
+      return;
+
+   table = rzalloc_array(ht, struct set_entry,
+                         hash_sizes[new_size_index].size);
+   if (table == NULL)
+      return;
+
+   old_ht = *ht;
+
+   ht->table = table;
+   ht->size_index = new_size_index;
+   ht->size = hash_sizes[ht->size_index].size;
+   ht->rehash = hash_sizes[ht->size_index].rehash;
+   ht->max_entries = hash_sizes[ht->size_index].max_entries;
+   ht->entries = 0;
+   ht->deleted_entries = 0;
+
+   for (entry = old_ht.table;
+        entry != old_ht.table + old_ht.size;
+        entry++) {
+      if (entry_is_present(entry)) {
+         _mesa_set_add(ht, entry->hash, entry->key);
+      }
+   }
+
+   ralloc_free(old_ht.table);
+}
+
+/**
+ * Inserts the key with the given hash into the table.
+ *
+ * Note that insertion may rearrange the table on a resize or rehash,
+ * so previously found hash_entries are no longer valid after this function.
+ */
+struct set_entry *
+_mesa_set_add(struct set *ht, uint32_t hash, const void *key)
+{
+   uint32_t hash_address;
+
+   if (ht->entries >= ht->max_entries) {
+      set_rehash(ht, ht->size_index + 1);
+   } else if (ht->deleted_entries + ht->entries >= ht->max_entries) {
+      set_rehash(ht, ht->size_index);
+   }
+
+   hash_address = hash % ht->size;
+   do {
+      struct set_entry *entry = ht->table + hash_address;
+      uint32_t double_hash;
+
+      if (!entry_is_present(entry)) {
+         if (entry_is_deleted(entry))
+            ht->deleted_entries--;
+         entry->hash = hash;
+         entry->key = key;
+         ht->entries++;
+         return entry;
+      }
+
+      /* Implement replacement when another insert happens
+       * with a matching key.  This is a relatively common
+       * feature of hash tables, with the alternative
+       * generally being "insert the new value as well, and
+       * return it first when the key is searched for".
+       *
+       * Note that the hash table doesn't have a delete callback.
+       * If freeing of old keys is required to avoid memory leaks,
+       * perform a search before inserting.
+       */
+      if (entry->hash == hash &&
+          ht->key_equals_function(key, entry->key)) {
+         entry->key = key;
+         return entry;
+      }
+
+      double_hash = 1 + hash % ht->rehash;
+
+      hash_address = (hash_address + double_hash) % ht->size;
+   } while (hash_address != hash % ht->size);
+
+   /* We could hit here if a required resize failed. An unchecked-malloc
+    * application could ignore this result.
+    */
+   return NULL;
+}
+
+/**
+ * This function deletes the given hash table entry.
+ *
+ * Note that deletion doesn't otherwise modify the table, so an iteration over
+ * the table deleting entries is safe.
+ */
+void
+_mesa_set_remove(struct set *ht, struct set_entry *entry)
+{
+   if (!entry)
+      return;
+
+   entry->key = deleted_key;
+   ht->entries--;
+   ht->deleted_entries++;
+}
+
+/**
+ * This function is an iterator over the hash table.
+ *
+ * Pass in NULL for the first entry, as in the start of a for loop.  Note that
+ * an iteration over the table is O(table_size) not O(entries).
+ */
+struct set_entry *
+_mesa_set_next_entry(const struct set *ht, struct set_entry *entry)
+{
+   if (entry == NULL)
+      entry = ht->table;
+   else
+      entry = entry + 1;
+
+   for (; entry != ht->table + ht->size; entry++) {
+      if (entry_is_present(entry)) {
+         return entry;
+      }
+   }
+
+   return NULL;
+}
+
+struct set_entry *
+_mesa_set_random_entry(struct set *ht,
+                       int (*predicate)(struct set_entry *entry))
+{
+   struct set_entry *entry;
+   uint32_t i = rand() % ht->size;
+
+   if (ht->entries == 0)
+      return NULL;
+
+   for (entry = ht->table + i; entry != ht->table + ht->size; entry++) {
+      if (entry_is_present(entry) &&
+          (!predicate || predicate(entry))) {
+         return entry;
+      }
+   }
+
+   for (entry = ht->table; entry != ht->table + i; entry++) {
+      if (entry_is_present(entry) &&
+          (!predicate || predicate(entry))) {
+         return entry;
+      }
+   }
+
+   return NULL;
+}
+
diff --git a/mesalib/src/mesa/main/set.h b/mesalib/src/mesa/main/set.h
new file mode 100644
index 000000000..206d0c4d2
--- /dev/null
+++ b/mesalib/src/mesa/main/set.h
@@ -0,0 +1,94 @@
+/*
+ * Copyright © 2009-2012 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ *
+ * Authors:
+ *    Eric Anholt <eric@anholt.net>
+ *
+ */
+
+#ifndef _SET_H
+#define _SET_H
+
+#include <inttypes.h>
+#include <stdbool.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct set_entry {
+   uint32_t hash;
+   const void *key;
+};
+
+struct set {
+   void *mem_ctx;
+   struct set_entry *table;
+   bool (*key_equals_function)(const void *a, const void *b);
+   uint32_t size;
+   uint32_t rehash;
+   uint32_t max_entries;
+   uint32_t size_index;
+   uint32_t entries;
+   uint32_t deleted_entries;
+};
+
+struct set *
+_mesa_set_create(void *mem_ctx,
+                 bool (*key_equals_function)(const void *a,
+                                             const void *b));
+void
+_mesa_set_destroy(struct set *set,
+                  void (*delete_function)(struct set_entry *entry));
+
+struct set_entry *
+_mesa_set_add(struct set *set, uint32_t hash, const void *key);
+
+struct set_entry *
+_mesa_set_search(const struct set *set, uint32_t hash,
+                 const void *key);
+
+void
+_mesa_set_remove(struct set *set, struct set_entry *entry);
+
+struct set_entry *
+_mesa_set_next_entry(const struct set *set, struct set_entry *entry);
+
+struct set_entry *
+_mesa_set_random_entry(struct set *set,
+                       int (*predicate)(struct set_entry *entry));
+
+/**
+ * This foreach function is safe against deletion, but not against
+ * insertion (which may rehash the set, making entry a dangling
+ * pointer).
+ */
+#define set_foreach(set, entry)                          \
+   for (entry = _mesa_set_next_entry(set, NULL);  \
+        entry != NULL;                                   \
+        entry = _mesa_set_next_entry(set, entry))
+
+#ifdef __cplusplus
+} /* extern C */
+#endif
+
+#endif /* _SET_H */
diff --git a/mesalib/src/mesa/main/shared.c b/mesalib/src/mesa/main/shared.c
index eaf9f8de1..a98a45c75 100644
--- a/mesalib/src/mesa/main/shared.c
+++ b/mesalib/src/mesa/main/shared.c
@@ -31,12 +31,14 @@
 #include "mfeatures.h"
 #include "mtypes.h"
 #include "hash.h"
+#include "hash_table.h"
 #include "atifragshader.h"
 #include "bufferobj.h"
 #include "shared.h"
 #include "program/program.h"
 #include "dlist.h"
 #include "samplerobj.h"
+#include "set.h"
 #include "shaderobj.h"
 #include "syncobj.h"
 
@@ -115,7 +117,7 @@ _mesa_alloc_shared_state(struct gl_context *ctx)
    shared->FrameBuffers = _mesa_NewHashTable();
    shared->RenderBuffers = _mesa_NewHashTable();
 
-   make_empty_list(& shared->SyncObjects);
+   shared->SyncObjects = _mesa_set_create(NULL, _mesa_key_pointer_equal);
 
    return shared;
 }
@@ -327,13 +329,13 @@ free_shared_state(struct gl_context *ctx, struct gl_shared_state *shared)
    _mesa_reference_buffer_object(ctx, &shared->NullBufferObj, NULL);
 
    {
-      struct simple_node *node;
-      struct simple_node *temp;
+      struct set_entry *entry;
 
-      foreach_s(node, temp, & shared->SyncObjects) {
-	 _mesa_unref_sync_object(ctx, (struct gl_sync_object *) node);
+      set_foreach(shared->SyncObjects, entry) {
+         _mesa_unref_sync_object(ctx, (struct gl_sync_object *) entry->key);
       }
    }
+   _mesa_set_destroy(shared->SyncObjects, NULL);
 
    _mesa_HashDeleteAll(shared->SamplerObjects, delete_sampler_object_cb, ctx);
    _mesa_DeleteHashTable(shared->SamplerObjects);
diff --git a/mesalib/src/mesa/main/syncobj.c b/mesalib/src/mesa/main/syncobj.c
index cc541c834..f599982bd 100644
--- a/mesalib/src/mesa/main/syncobj.c
+++ b/mesalib/src/mesa/main/syncobj.c
@@ -64,6 +64,8 @@
 #include "get.h"
 #include "dispatch.h"
 #include "mtypes.h"
+#include "set.h"
+#include "hash_table.h"
 
 #include "syncobj.h"
 
@@ -174,9 +176,12 @@ _mesa_free_sync_data(struct gl_context *ctx)
 
 
 static int
-_mesa_validate_sync(struct gl_sync_object *syncObj)
+_mesa_validate_sync(struct gl_context *ctx, struct gl_sync_object *syncObj)
 {
    return (syncObj != NULL)
+      && _mesa_set_search(ctx->Shared->SyncObjects,
+                          _mesa_hash_pointer(syncObj),
+                          syncObj) != NULL
       && (syncObj->Type == GL_SYNC_FENCE)
       && !syncObj->DeletePending;
 }
@@ -197,7 +202,7 @@ _mesa_unref_sync_object(struct gl_context *ctx, struct gl_sync_object *syncObj)
    _glthread_LOCK_MUTEX(ctx->Shared->Mutex);
    syncObj->RefCount--;
    if (syncObj->RefCount == 0) {
-      remove_from_list(& syncObj->link);
+      _mesa_set_remove(ctx->Shared->SyncObjects, syncObj->SetEntry);
       _glthread_UNLOCK_MUTEX(ctx->Shared->Mutex);
 
       ctx->Driver.DeleteSyncObject(ctx, syncObj);
@@ -214,7 +219,7 @@ _mesa_IsSync(GLsync sync)
    struct gl_sync_object *const syncObj = (struct gl_sync_object *) sync;
    ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, GL_FALSE);
 
-   return _mesa_validate_sync(syncObj) ? GL_TRUE : GL_FALSE;
+   return _mesa_validate_sync(ctx, syncObj) ? GL_TRUE : GL_FALSE;
 }
 
 
@@ -235,8 +240,8 @@ _mesa_DeleteSync(GLsync sync)
       return;
    }
 
-   if (!_mesa_validate_sync(syncObj)) {
-      _mesa_error(ctx, GL_INVALID_OPERATION, "glDeleteSync");
+   if (!_mesa_validate_sync(ctx, syncObj)) {
+      _mesa_error(ctx, GL_INVALID_VALUE, "glDeleteSync (not a valid sync object)");
       return;
    }
 
@@ -285,7 +290,9 @@ _mesa_FenceSync(GLenum condition, GLbitfield flags)
       ctx->Driver.FenceSync(ctx, syncObj, condition, flags);
 
       _glthread_LOCK_MUTEX(ctx->Shared->Mutex);
-      insert_at_tail(& ctx->Shared->SyncObjects, & syncObj->link);
+      syncObj->SetEntry = _mesa_set_add(ctx->Shared->SyncObjects,
+                                        _mesa_hash_pointer(syncObj),
+                                        syncObj);
       _glthread_UNLOCK_MUTEX(ctx->Shared->Mutex);
 
       return (GLsync) syncObj;
@@ -303,8 +310,8 @@ _mesa_ClientWaitSync(GLsync sync, GLbitfield flags, GLuint64 timeout)
    GLenum ret;
    ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, GL_WAIT_FAILED);
 
-   if (!_mesa_validate_sync(syncObj)) {
-      _mesa_error(ctx, GL_INVALID_OPERATION, "glClientWaitSync");
+   if (!_mesa_validate_sync(ctx, syncObj)) {
+      _mesa_error(ctx, GL_INVALID_VALUE, "glClientWaitSync (not a valid sync object)");
       return GL_WAIT_FAILED;
    }
 
@@ -347,8 +354,8 @@ _mesa_WaitSync(GLsync sync, GLbitfield flags, GLuint64 timeout)
    struct gl_sync_object *const syncObj = (struct gl_sync_object *) sync;
    ASSERT_OUTSIDE_BEGIN_END(ctx);
 
-   if (!_mesa_validate_sync(syncObj)) {
-      _mesa_error(ctx, GL_INVALID_OPERATION, "glWaitSync");
+   if (!_mesa_validate_sync(ctx, syncObj)) {
+      _mesa_error(ctx, GL_INVALID_VALUE, "glWaitSync (not a valid sync object)");
       return;
    }
 
@@ -377,8 +384,8 @@ _mesa_GetSynciv(GLsync sync, GLenum pname, GLsizei bufSize, GLsizei *length,
    GLint v[1];
    ASSERT_OUTSIDE_BEGIN_END(ctx);
 
-   if (!_mesa_validate_sync(syncObj)) {
-      _mesa_error(ctx, GL_INVALID_OPERATION, "glGetSynciv");
+   if (!_mesa_validate_sync(ctx, syncObj)) {
+      _mesa_error(ctx, GL_INVALID_VALUE, "glGetSynciv (not a valid sync object)");
       return;
    }
 
diff --git a/mesalib/src/mesa/main/texcompress.c b/mesalib/src/mesa/main/texcompress.c
index 957cc6df6..372a483fa 100644
--- a/mesalib/src/mesa/main/texcompress.c
+++ b/mesalib/src/mesa/main/texcompress.c
@@ -33,6 +33,7 @@
 #include "glheader.h"
 #include "imports.h"
 #include "colormac.h"
+#include "context.h"
 #include "formats.h"
 #include "mfeatures.h"
 #include "mtypes.h"
@@ -77,12 +78,16 @@ _mesa_gl_compressed_format_base_format(GLenum format)
 {
    switch (format) {
    case GL_COMPRESSED_RED:
+   case GL_COMPRESSED_R11_EAC:
    case GL_COMPRESSED_RED_RGTC1:
+   case GL_COMPRESSED_SIGNED_R11_EAC:
    case GL_COMPRESSED_SIGNED_RED_RGTC1:
       return GL_RED;
 
    case GL_COMPRESSED_RG:
+   case GL_COMPRESSED_RG11_EAC:
    case GL_COMPRESSED_RG_RGTC2:
+   case GL_COMPRESSED_SIGNED_RG11_EAC:
    case GL_COMPRESSED_SIGNED_RG_RGTC2:
       return GL_RG;
 
@@ -92,6 +97,8 @@ _mesa_gl_compressed_format_base_format(GLenum format)
    case GL_COMPRESSED_RGB_FXT1_3DFX:
    case GL_COMPRESSED_SRGB_S3TC_DXT1_EXT:
    case GL_ETC1_RGB8_OES:
+   case GL_COMPRESSED_RGB8_ETC2:
+   case GL_COMPRESSED_SRGB8_ETC2:
       return GL_RGB;
 
    case GL_COMPRESSED_RGBA:
@@ -107,6 +114,10 @@ _mesa_gl_compressed_format_base_format(GLenum format)
    case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT:
    case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT:
    case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT:
+   case GL_COMPRESSED_RGBA8_ETC2_EAC:
+   case GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:
+   case GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2:
+   case GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2:
       return GL_RGBA;
 
    case GL_COMPRESSED_ALPHA:
@@ -293,6 +304,23 @@ _mesa_get_compressed_formats(struct gl_context *ctx, GLint *formats)
       }
    }
 
+   if (_mesa_is_gles3(ctx)) {
+      if (formats) {
+         formats[n++] = GL_COMPRESSED_RGB8_ETC2;
+         formats[n++] = GL_COMPRESSED_SRGB8_ETC2;
+         formats[n++] = GL_COMPRESSED_RGBA8_ETC2_EAC;
+         formats[n++] = GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC;
+         formats[n++] = GL_COMPRESSED_R11_EAC;
+         formats[n++] = GL_COMPRESSED_RG11_EAC;
+         formats[n++] = GL_COMPRESSED_SIGNED_R11_EAC;
+         formats[n++] = GL_COMPRESSED_SIGNED_RG11_EAC;
+         formats[n++] = GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2;
+         formats[n++] = GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2;
+      }
+      else {
+         n += 10;
+      }
+   }
    return n;
 }
 
@@ -352,6 +380,26 @@ _mesa_glenum_to_compressed_format(GLenum format)
 
    case GL_ETC1_RGB8_OES:
       return MESA_FORMAT_ETC1_RGB8;
+   case GL_COMPRESSED_RGB8_ETC2:
+      return MESA_FORMAT_ETC2_RGB8;
+   case GL_COMPRESSED_SRGB8_ETC2:
+      return MESA_FORMAT_ETC2_SRGB8;
+   case GL_COMPRESSED_RGBA8_ETC2_EAC:
+      return MESA_FORMAT_ETC2_RGBA8_EAC;
+   case GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:
+      return MESA_FORMAT_ETC2_SRGB8_ALPHA8_EAC;
+   case GL_COMPRESSED_R11_EAC:
+      return MESA_FORMAT_ETC2_R11_EAC;
+   case GL_COMPRESSED_RG11_EAC:
+      return MESA_FORMAT_ETC2_RG11_EAC;
+   case GL_COMPRESSED_SIGNED_R11_EAC:
+      return MESA_FORMAT_ETC2_SIGNED_R11_EAC;
+   case GL_COMPRESSED_SIGNED_RG11_EAC:
+      return MESA_FORMAT_ETC2_SIGNED_RG11_EAC;
+   case GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2:
+      return MESA_FORMAT_ETC2_RGB8_PUNCHTHROUGH_ALPHA1;
+   case GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2:
+      return MESA_FORMAT_ETC2_SRGB8_PUNCHTHROUGH_ALPHA1;
 
    default:
       return MESA_FORMAT_NONE;
@@ -413,6 +461,26 @@ _mesa_compressed_format_to_glenum(struct gl_context *ctx, gl_format mesaFormat)
 
    case MESA_FORMAT_ETC1_RGB8:
       return GL_ETC1_RGB8_OES;
+   case MESA_FORMAT_ETC2_RGB8:
+      return GL_COMPRESSED_RGB8_ETC2;
+   case MESA_FORMAT_ETC2_SRGB8:
+      return GL_COMPRESSED_SRGB8_ETC2;
+   case MESA_FORMAT_ETC2_RGBA8_EAC:
+      return GL_COMPRESSED_RGBA8_ETC2_EAC;
+   case MESA_FORMAT_ETC2_SRGB8_ALPHA8_EAC:
+      return GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC;
+   case MESA_FORMAT_ETC2_R11_EAC:
+      return GL_COMPRESSED_R11_EAC;
+   case MESA_FORMAT_ETC2_RG11_EAC:
+      return GL_COMPRESSED_RG11_EAC;
+   case MESA_FORMAT_ETC2_SIGNED_R11_EAC:
+      return GL_COMPRESSED_SIGNED_R11_EAC;
+   case MESA_FORMAT_ETC2_SIGNED_RG11_EAC:
+      return GL_COMPRESSED_SIGNED_RG11_EAC;
+   case MESA_FORMAT_ETC2_RGB8_PUNCHTHROUGH_ALPHA1:
+      return GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2;
+   case MESA_FORMAT_ETC2_SRGB8_PUNCHTHROUGH_ALPHA1:
+      return GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2;
 
    default:
       _mesa_problem(ctx, "Unexpected mesa texture format in"
@@ -538,6 +606,38 @@ _mesa_decompress_image(gl_format format, GLuint width, GLuint height,
       fetch = _mesa_fetch_texel_2d_f_etc1_rgb8;
       break;
 
+   /* ETC2 formats */
+   case MESA_FORMAT_ETC2_RGB8:
+      fetch = _mesa_fetch_texel_2d_f_etc2_rgb8;
+      break;
+   case MESA_FORMAT_ETC2_SRGB8:
+      fetch = _mesa_fetch_texel_2d_f_etc2_srgb8;
+      break;
+   case MESA_FORMAT_ETC2_RGBA8_EAC:
+      fetch = _mesa_fetch_texel_2d_f_etc2_rgba8_eac;
+      break;
+   case MESA_FORMAT_ETC2_SRGB8_ALPHA8_EAC:
+      fetch = _mesa_fetch_texel_2d_f_etc2_srgb8_alpha8_eac;
+      break;
+   case MESA_FORMAT_ETC2_R11_EAC:
+      fetch = _mesa_fetch_texel_2d_f_etc2_r11_eac;
+      break;
+   case MESA_FORMAT_ETC2_RG11_EAC:
+      fetch = _mesa_fetch_texel_2d_f_etc2_rg11_eac;
+      break;
+   case MESA_FORMAT_ETC2_SIGNED_R11_EAC:
+      fetch = _mesa_fetch_texel_2d_f_etc2_signed_r11_eac;
+      break;
+   case MESA_FORMAT_ETC2_SIGNED_RG11_EAC:
+      fetch = _mesa_fetch_texel_2d_f_etc2_signed_rg11_eac;
+      break;
+   case MESA_FORMAT_ETC2_RGB8_PUNCHTHROUGH_ALPHA1:
+      fetch = _mesa_fetch_texel_2d_f_etc2_rgb8_punchthrough_alpha1;
+      break;
+   case MESA_FORMAT_ETC2_SRGB8_PUNCHTHROUGH_ALPHA1:
+      fetch = _mesa_fetch_texel_2d_f_etc2_srgb8_punchthrough_alpha1;
+      break;
+
    default:
       _mesa_problem(NULL, "Unexpected format in _mesa_decompress_image()");
       return;
diff --git a/mesalib/src/mesa/main/texcompress_etc.c b/mesalib/src/mesa/main/texcompress_etc.c
index c645f52b9..73d2fa4fe 100644
--- a/mesalib/src/mesa/main/texcompress_etc.c
+++ b/mesalib/src/mesa/main/texcompress_etc.c
@@ -24,24 +24,78 @@
 /**
  * \file texcompress_etc.c
  * GL_OES_compressed_ETC1_RGB8_texture support.
+ * Supported ETC2 texture formats are:
+ * GL_COMPRESSED_RGB8_ETC2
+ * GL_COMPRESSED_SRGB8_ETC2
+ * GL_COMPRESSED_RGBA8_ETC2_EAC
+ * GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC
+ * GL_COMPRESSED_R11_EAC
+ * GL_COMPRESSED_RG11_EAC
+ * GL_COMPRESSED_SIGNED_R11_EAC
+ * GL_COMPRESSED_SIGNED_RG11_EAC
+ * MESA_FORMAT_ETC2_RGB8_PUNCHTHROUGH_ALPHA1
+ * MESA_FORMAT_ETC2_SRGB8_PUNCHTHROUGH_ALPHA1
  */
 
-
+#include <stdbool.h>
 #include "mfeatures.h"
 #include "texcompress.h"
 #include "texcompress_etc.h"
 #include "texstore.h"
 #include "macros.h"
 #include "swrast/s_context.h"
+#include "format_unpack.h"
 
-GLboolean
-_mesa_texstore_etc1_rgb8(TEXSTORE_PARAMS)
-{
-   /* GL_ETC1_RGB8_OES is only valid in glCompressedTexImage2D */
-   ASSERT(0);
+struct etc2_block {
+   int distance;
+   uint64_t pixel_indices[2];
+   const int *modifier_tables[2];
+   bool flipped;
+   bool opaque;
+   bool is_ind_mode;
+   bool is_diff_mode;
+   bool is_t_mode;
+   bool is_h_mode;
+   bool is_planar_mode;
+   uint8_t base_colors[3][3];
+   uint8_t paint_colors[4][3];
+   uint8_t base_codeword;
+   uint8_t multiplier;
+   uint8_t table_index;
+};
 
-   return GL_FALSE;
-}
+static const int etc2_distance_table[8] = {
+   3, 6, 11, 16, 23, 32, 41, 64 };
+
+static const int etc2_modifier_tables[16][8] = {
+   {  -3,   -6,   -9,  -15,   2,   5,   8,   14},
+   {  -3,   -7,  -10,  -13,   2,   6,   9,   12},
+   {  -2,   -5,   -8,  -13,   1,   4,   7,   12},
+   {  -2,   -4,   -6,  -13,   1,   3,   5,   12},
+   {  -3,   -6,   -8,  -12,   2,   5,   7,   11},
+   {  -3,   -7,   -9,  -11,   2,   6,   8,   10},
+   {  -4,   -7,   -8,  -11,   3,   6,   7,   10},
+   {  -3,   -5,   -8,  -11,   2,   4,   7,   10},
+   {  -2,   -6,   -8,  -10,   1,   5,   7,    9},
+   {  -2,   -5,   -8,  -10,   1,   4,   7,    9},
+   {  -2,   -4,   -8,  -10,   1,   3,   7,    9},
+   {  -2,   -5,   -7,  -10,   1,   4,   6,    9},
+   {  -3,   -4,   -7,  -10,   2,   3,   6,    9},
+   {  -1,   -2,   -3,  -10,   0,   1,   2,    9},
+   {  -4,   -6,   -8,   -9,   3,   5,   7,    8},
+   {  -3,   -5,   -7,   -9,   2,   4,   6,    8},
+};
+
+static const int etc2_modifier_tables_non_opaque[8][4] = {
+   { 0,   8,   0,    -8},
+   { 0,   17,  0,   -17},
+   { 0,   29,  0,   -29},
+   { 0,   42,  0,   -42},
+   { 0,   60,  0,   -60},
+   { 0,   80,  0,   -80},
+   { 0,   106, 0,  -106},
+   { 0,   183, 0,  -183}
+};
 
 /* define etc1_parse_block and etc. */
 #define UINT8_TYPE GLubyte
@@ -50,6 +104,15 @@ _mesa_texstore_etc1_rgb8(TEXSTORE_PARAMS)
 #undef TAG
 #undef UINT8_TYPE
 
+GLboolean
+_mesa_texstore_etc1_rgb8(TEXSTORE_PARAMS)
+{
+   /* GL_ETC1_RGB8_OES is only valid in glCompressedTexImage2D */
+   ASSERT(0);
+
+   return GL_FALSE;
+}
+
 void
 _mesa_fetch_texel_2d_f_etc1_rgb8(const struct swrast_texture_image *texImage,
                                  GLint i, GLint j, GLint k, GLfloat *texel)
@@ -101,3 +164,1300 @@ _mesa_etc1_unpack_rgba8888(uint8_t *dst_row,
                         src_row, src_stride,
                         src_width, src_height);
 }
+
+static uint8_t
+etc2_base_color1_t_mode(const uint8_t *in, GLuint index)
+{
+   uint8_t R1a = 0, x = 0;
+   /* base col 1 = extend_4to8bits( (R1a << 2) | R1b, G1, B1) */
+   switch(index) {
+   case 0:
+      R1a = (in[0] >> 3) & 0x3;
+      x = ((R1a << 2) | (in[0] & 0x3));
+      break;
+   case 1:
+      x = ((in[1] >> 4) & 0xf);
+      break;
+   case 2:
+      x = (in[1] & 0xf);
+      break;
+   default:
+      /* invalid index */
+      break;
+   }
+   return ((x << 4) | (x & 0xf));
+}
+
+static uint8_t
+etc2_base_color2_t_mode(const uint8_t *in, GLuint index)
+{
+   uint8_t x = 0;
+   /*extend 4to8bits(R2, G2, B2)*/
+   switch(index) {
+   case 0:
+      x = ((in[2] >> 4) & 0xf );
+      break;
+   case 1:
+      x = (in[2] & 0xf);
+      break;
+   case 2:
+      x = ((in[3] >> 4) & 0xf);
+      break;
+   default:
+      /* invalid index */
+      break;
+   }
+   return ((x << 4) | (x & 0xf));
+}
+
+static uint8_t
+etc2_base_color1_h_mode(const uint8_t *in, GLuint index)
+{
+   uint8_t x = 0;
+   /* base col 1 = extend 4to8bits(R1, (G1a << 1) | G1b, (B1a << 3) | B1b) */
+   switch(index) {
+   case 0:
+      x = ((in[0] >> 3) & 0xf);
+      break;
+   case 1:
+      x = (((in[0] & 0x7) << 1) | ((in[1] >> 4) & 0x1));
+      break;
+   case 2:
+      x = ((in[1] & 0x8) |
+           (((in[1] & 0x3) << 1) | ((in[2] >> 7) & 0x1)));
+      break;
+   default:
+      /* invalid index */
+      break;
+   }
+   return ((x << 4) | (x & 0xf));
+ }
+
+static uint8_t
+etc2_base_color2_h_mode(const uint8_t *in, GLuint index)
+{
+   uint8_t x = 0;
+   /* base col 2 = extend 4to8bits(R2, G2, B2) */
+   switch(index) {
+   case 0:
+      x = ((in[2] >> 3) & 0xf );
+      break;
+   case 1:
+      x = (((in[2] & 0x7) << 1) | ((in[3] >> 7) & 0x1));
+      break;
+   case 2:
+      x = ((in[3] >> 3) & 0xf);
+      break;
+   default:
+      /* invalid index */
+      break;
+   }
+   return ((x << 4) | (x & 0xf));
+ }
+
+static uint8_t
+etc2_base_color_o_planar(const uint8_t *in, GLuint index)
+{
+   GLuint tmp;
+   switch(index) {
+   case 0:
+      tmp = ((in[0] >> 1) & 0x3f); /* RO */
+      return ((tmp << 2) | (tmp >> 4));
+   case 1:
+      tmp = (((in[0] & 0x1) << 6) | /* GO1 */
+             ((in[1] >> 1) & 0x3f)); /* GO2 */
+      return ((tmp << 1) | (tmp >> 6));
+   case 2:
+      tmp = (((in[1] & 0x1) << 5) | /* BO1 */
+             (in[2] & 0x18) | /* BO2 */
+             (((in[2] & 0x3) << 1) | ((in[3] >> 7) & 0x1))); /* BO3 */
+      return ((tmp << 2) | (tmp >> 4));
+    default:
+      /* invalid index */
+      return 0;
+   }
+}
+
+static uint8_t
+etc2_base_color_h_planar(const uint8_t *in, GLuint index)
+{
+   GLuint tmp;
+   switch(index) {
+   case 0:
+      tmp = (((in[3] & 0x7c) >> 1) | /* RH1 */
+             (in[3] & 0x1));         /* RH2 */
+      return ((tmp << 2) | (tmp >> 4));
+   case 1:
+      tmp = (in[4] >> 1) & 0x7f; /* GH */
+      return ((tmp << 1) | (tmp >> 6));
+   case 2:
+      tmp = (((in[4] & 0x1) << 5) |
+             ((in[5] >> 3) & 0x1f)); /* BH */
+      return ((tmp << 2) | (tmp >> 4));
+   default:
+      /* invalid index */
+      return 0;
+   }
+}
+
+static uint8_t
+etc2_base_color_v_planar(const uint8_t *in, GLuint index)
+{
+   GLuint tmp;
+   switch(index) {
+   case 0:
+      tmp = (((in[5] & 0x7) << 0x3) |
+             ((in[6] >> 5) & 0x7)); /* RV */
+      return ((tmp << 2) | (tmp >> 4));
+   case 1:
+      tmp = (((in[6] & 0x1f) << 2) |
+             ((in[7] >> 6) & 0x3)); /* GV */
+      return ((tmp << 1) | (tmp >> 6));
+   case 2:
+      tmp = in[7] & 0x3f; /* BV */
+      return ((tmp << 2) | (tmp >> 4));
+   default:
+      /* invalid index */
+      return 0;
+   }
+}
+
+static GLint
+etc2_get_pixel_index(const struct etc2_block *block, int x, int y)
+{
+   int bit = ((3 - y) + (3 - x) * 4) * 3;
+   int idx = (block->pixel_indices[1] >> bit) & 0x7;
+   return idx;
+}
+
+static uint8_t
+etc2_clamp(int color)
+{
+   /* CLAMP(color, 0, 255) */
+   return (uint8_t) CLAMP(color, 0, 255);
+}
+
+static GLushort
+etc2_clamp2(int color)
+{
+   /* CLAMP(color, 0, 2047) */
+   return (GLushort) CLAMP(color, 0, 2047);
+}
+
+static GLshort
+etc2_clamp3(int color)
+{
+   /* CLAMP(color, -1023, 1023) */
+   return (GLshort) CLAMP(color, -1023, 1023);
+}
+
+static void
+etc2_rgb8_parse_block(struct etc2_block *block,
+                      const uint8_t *src,
+                      GLboolean punchthrough_alpha)
+{
+   unsigned i;
+   GLboolean diffbit = false;
+   static const int lookup[8] = { 0, 1, 2, 3, -4, -3, -2, -1 };
+
+   const int R_plus_dR = (src[0] >> 3) + lookup[src[0] & 0x7];
+   const int G_plus_dG = (src[1] >> 3) + lookup[src[1] & 0x7];
+   const int B_plus_dB = (src[2] >> 3) + lookup[src[2] & 0x7];
+
+   /* Reset the mode flags */
+   block->is_ind_mode = false;
+   block->is_diff_mode = false;
+   block->is_t_mode = false;
+   block->is_h_mode = false;
+   block->is_planar_mode = false;
+
+   if (punchthrough_alpha)
+      block->opaque = src[3] & 0x2;
+   else
+      diffbit = src[3] & 0x2;
+
+   if (!diffbit && !punchthrough_alpha) {
+      /* individual mode */
+      block->is_ind_mode = true;
+
+      for (i = 0; i < 3; i++) {
+         /* Texture decode algorithm is same for individual mode in etc1
+          * & etc2.
+          */
+         block->base_colors[0][i] = etc1_base_color_ind_hi(src[i]);
+         block->base_colors[1][i] = etc1_base_color_ind_lo(src[i]);
+      }
+   }
+   else if (R_plus_dR < 0 || R_plus_dR > 31){
+      /* T mode */
+      block->is_t_mode = true;
+
+      for(i = 0; i < 3; i++) {
+         block->base_colors[0][i] = etc2_base_color1_t_mode(src, i);
+         block->base_colors[1][i] = etc2_base_color2_t_mode(src, i);
+      }
+      /* pick distance */
+      block->distance =
+         etc2_distance_table[(((src[3] >> 2) & 0x3) << 1) |
+                             (src[3] & 0x1)];
+
+      for (i = 0; i < 3; i++) {
+         block->paint_colors[0][i] = etc2_clamp(block->base_colors[0][i]);
+         block->paint_colors[1][i] = etc2_clamp(block->base_colors[1][i] +
+                                                block->distance);
+         block->paint_colors[2][i] = etc2_clamp(block->base_colors[1][i]);
+         block->paint_colors[3][i] = etc2_clamp(block->base_colors[1][i] -
+                                                block->distance);
+      }
+   }
+   else if (G_plus_dG < 0 || G_plus_dG > 31){
+      int base_color_1_value, base_color_2_value;
+
+      /* H mode */
+      block->is_h_mode = true;
+
+      for(i = 0; i < 3; i++) {
+         block->base_colors[0][i] = etc2_base_color1_h_mode(src, i);
+         block->base_colors[1][i] = etc2_base_color2_h_mode(src, i);
+      }
+
+      base_color_1_value = (block->base_colors[0][0] << 16) +
+                           (block->base_colors[0][1] << 8) +
+                           block->base_colors[0][2];
+      base_color_2_value = (block->base_colors[1][0] << 16) +
+                           (block->base_colors[1][1] << 8) +
+                           block->base_colors[1][2];
+      /* pick distance */
+      block->distance =
+         etc2_distance_table[(src[3] & 0x4) |
+                             ((src[3] & 0x1) << 1) |
+                             (base_color_1_value >= base_color_2_value)];
+
+      for (i = 0; i < 3; i++) {
+         block->paint_colors[0][i] = etc2_clamp(block->base_colors[0][i] +
+                                                block->distance);
+         block->paint_colors[1][i] = etc2_clamp(block->base_colors[0][i] -
+                                                block->distance);
+         block->paint_colors[2][i] = etc2_clamp(block->base_colors[1][i] +
+                                                block->distance);
+         block->paint_colors[3][i] = etc2_clamp(block->base_colors[1][i] -
+                                                block->distance);
+      }
+   }
+   else if (B_plus_dB < 0 || B_plus_dB > 31) {
+      /* Planar mode */
+      block->is_planar_mode = true;
+
+      /* opaque bit must be set in planar mode */
+      if (!block->opaque)
+         block->opaque = true;
+
+      for (i = 0; i < 3; i++) {
+         block->base_colors[0][i] = etc2_base_color_o_planar(src, i);
+         block->base_colors[1][i] = etc2_base_color_h_planar(src, i);
+         block->base_colors[2][i] = etc2_base_color_v_planar(src, i);
+      }
+   }
+   else if (diffbit || punchthrough_alpha) {
+      /* differential mode */
+      block->is_diff_mode = true;
+
+      for (i = 0; i < 3; i++) {
+         /* Texture decode algorithm is same for differential mode in etc1
+          * & etc2.
+          */
+         block->base_colors[0][i] = etc1_base_color_diff_hi(src[i]);
+         block->base_colors[1][i] = etc1_base_color_diff_lo(src[i]);
+     }
+   }
+
+   if (block->is_ind_mode || block->is_diff_mode) {
+      int table1_idx = (src[3] >> 5) & 0x7;
+      int table2_idx = (src[3] >> 2) & 0x7;
+
+      /* Use same modifier tables as for etc1 textures if opaque bit is set
+       * or if non punchthrough texture format
+       */
+      block->modifier_tables[0] = (block->opaque || !punchthrough_alpha) ?
+                                  etc1_modifier_tables[table1_idx] :
+                                  etc2_modifier_tables_non_opaque[table1_idx];
+      block->modifier_tables[1] = (block->opaque || !punchthrough_alpha) ?
+                                  etc1_modifier_tables[table2_idx] :
+                                  etc2_modifier_tables_non_opaque[table2_idx];
+
+      block->flipped = (src[3] & 0x1);
+   }
+
+   block->pixel_indices[0] =
+      (src[4] << 24) | (src[5] << 16) | (src[6] << 8) | src[7];
+}
+
+static void
+etc2_rgb8_fetch_texel(const struct etc2_block *block,
+                      int x, int y, uint8_t *dst,
+                      GLboolean punchthrough_alpha)
+{
+   const uint8_t *base_color;
+   int modifier, bit, idx, blk;
+
+   /* get pixel index */
+   bit = y + x * 4;
+   idx = ((block->pixel_indices[0] >> (15 + bit)) & 0x2) |
+         ((block->pixel_indices[0] >>      (bit)) & 0x1);
+
+   if (block->is_ind_mode || block->is_diff_mode) {
+      /* check for punchthrough_alpha format */
+      if (punchthrough_alpha) {
+         if (!block->opaque && idx == 2) {
+            dst[0] = dst[1] = dst[2] = dst[3] = 0;
+            return;
+         }
+         else
+            dst[3] = 255;
+      }
+
+      /* Use pixel index and subblock to get the modifier */
+      blk = (block->flipped) ? (y >= 2) : (x >= 2);
+      base_color = block->base_colors[blk];
+      modifier = block->modifier_tables[blk][idx];
+
+      dst[0] = etc2_clamp(base_color[0] + modifier);
+      dst[1] = etc2_clamp(base_color[1] + modifier);
+      dst[2] = etc2_clamp(base_color[2] + modifier);
+   }
+   else if (block->is_t_mode || block->is_h_mode) {
+      /* check for punchthrough_alpha format */
+      if (punchthrough_alpha) {
+         if (!block->opaque && idx == 2) {
+            dst[0] = dst[1] = dst[2] = dst[3] = 0;
+            return;
+         }
+         else
+            dst[3] = 255;
+      }
+
+      /* Use pixel index to pick one of the paint colors */
+      dst[0] = block->paint_colors[idx][0];
+      dst[1] = block->paint_colors[idx][1];
+      dst[2] = block->paint_colors[idx][2];
+   }
+   else if (block->is_planar_mode) {
+      /* {R(x, y) = clamp255((x × (RH − RO) + y × (RV − RO) + 4 × RO + 2) >> 2)
+       * {G(x, y) = clamp255((x × (GH − GO) + y × (GV − GO) + 4 × GO + 2) >> 2)
+       * {B(x, y) = clamp255((x × (BH − BO) + y × (BV − BO) + 4 × BO + 2) >> 2)
+       */
+      int red, green, blue;
+      red = (x * (block->base_colors[1][0] - block->base_colors[0][0]) +
+             y * (block->base_colors[2][0] - block->base_colors[0][0]) +
+             4 * block->base_colors[0][0] + 2) >> 2;
+
+      green = (x * (block->base_colors[1][1] - block->base_colors[0][1]) +
+               y * (block->base_colors[2][1] - block->base_colors[0][1]) +
+               4 * block->base_colors[0][1] + 2) >> 2;
+
+      blue = (x * (block->base_colors[1][2] - block->base_colors[0][2]) +
+              y * (block->base_colors[2][2] - block->base_colors[0][2]) +
+              4 * block->base_colors[0][2] + 2) >> 2;
+
+      dst[0] = etc2_clamp(red);
+      dst[1] = etc2_clamp(green);
+      dst[2] = etc2_clamp(blue);
+
+      /* check for punchthrough_alpha format */
+      if (punchthrough_alpha)
+         dst[3] = 255;
+   }
+}
+
+static void
+etc2_alpha8_fetch_texel(const struct etc2_block *block,
+      int x, int y, uint8_t *dst)
+{
+   int modifier, alpha, idx;
+   /* get pixel index */
+   idx = etc2_get_pixel_index(block, x, y);
+   modifier = etc2_modifier_tables[block->table_index][idx];
+   alpha = block->base_codeword + modifier * block->multiplier;
+   dst[3] = etc2_clamp(alpha);
+}
+
+static void
+etc2_r11_fetch_texel(const struct etc2_block *block,
+                     int x, int y, uint8_t *dst)
+{
+   GLint modifier, idx;
+   GLshort color;
+   /* Get pixel index */
+   idx = etc2_get_pixel_index(block, x, y);
+   modifier = etc2_modifier_tables[block->table_index][idx];
+
+   if (block->multiplier != 0)
+      /* clamp2(base codeword × 8 + 4 + modifier × multiplier × 8) */
+      color = etc2_clamp2(((block->base_codeword << 3) | 0x4)  +
+                          ((modifier * block->multiplier) << 3));
+   else
+      color = etc2_clamp2(((block->base_codeword << 3) | 0x4)  + modifier);
+
+   /* Extend 11 bits color value to 16 bits. OpenGL ES 3.0 specification
+    * allows extending the color value to any number of bits. But, an
+    * implementation is not allowed to truncate the 11-bit value to less than
+    * 11 bits."
+    */
+   color = (color << 5) | (color >> 6);
+   ((GLushort *)dst)[0] = color;
+}
+
+static void
+etc2_signed_r11_fetch_texel(const struct etc2_block *block,
+                            int x, int y, uint8_t *dst)
+{
+   GLint modifier, idx;
+   GLshort color;
+   GLbyte base_codeword = (GLbyte) block->base_codeword;
+
+   if (base_codeword == -128)
+      base_codeword = -127;
+
+   /* Get pixel index */
+   idx = etc2_get_pixel_index(block, x, y);
+   modifier = etc2_modifier_tables[block->table_index][idx];
+
+   if (block->multiplier != 0)
+      /* clamp3(base codeword × 8 + modifier × multiplier × 8) */
+      color = etc2_clamp3((base_codeword << 3)  +
+                         ((modifier * block->multiplier) << 3));
+   else
+      color = etc2_clamp3((base_codeword << 3)  + modifier);
+
+   /* Extend 11 bits color value to 16 bits. OpenGL ES 3.0 specification
+    * allows extending the color value to any number of bits. But, an
+    * implementation is not allowed to truncate the 11-bit value to less than
+    * 11 bits. A negative 11-bit value must first be made positive before bit
+    * replication, and then made negative again
+    */
+   if (color >= 0)
+      color = (color << 5) | (color >> 5);
+   else {
+      color = -color;
+      color = (color << 5) | (color >> 5);
+      color = -color;
+   }
+   ((GLshort *)dst)[0] = color;
+}
+
+static void
+etc2_alpha8_parse_block(struct etc2_block *block, const uint8_t *src)
+{
+   block->base_codeword = src[0];
+   block->multiplier = (src[1] >> 4) & 0xf;
+   block->table_index = src[1] & 0xf;
+   block->pixel_indices[1] = (((uint64_t)src[2] << 40) |
+                              ((uint64_t)src[3] << 32) |
+                              ((uint64_t)src[4] << 24) |
+                              ((uint64_t)src[5] << 16) |
+                              ((uint64_t)src[6] << 8)  |
+                              ((uint64_t)src[7]));
+}
+
+static void
+etc2_r11_parse_block(struct etc2_block *block, const uint8_t *src)
+{
+   /* Parsing logic remains same as for etc2_alpha8_parse_block */
+    etc2_alpha8_parse_block(block, src);
+}
+
+static void
+etc2_rgba8_parse_block(struct etc2_block *block, const uint8_t *src)
+{
+   /* RGB component is parsed the same way as for MESA_FORMAT_ETC2_RGB8 */
+   etc2_rgb8_parse_block(block, src + 8,
+                         false /* punchthrough_alpha */);
+   /* Parse Alpha component */
+   etc2_alpha8_parse_block(block, src);
+}
+
+static void
+etc2_rgba8_fetch_texel(const struct etc2_block *block,
+      int x, int y, uint8_t *dst)
+{
+   etc2_rgb8_fetch_texel(block, x, y, dst,
+                         false /* punchthrough_alpha */);
+   etc2_alpha8_fetch_texel(block, x, y, dst);
+}
+
+static void
+etc2_unpack_rgb8(uint8_t *dst_row,
+                 unsigned dst_stride,
+                 const uint8_t *src_row,
+                 unsigned src_stride,
+                 unsigned width,
+                 unsigned height)
+{
+   const unsigned bw = 4, bh = 4, bs = 8, comps = 4;
+   struct etc2_block block;
+   unsigned x, y, i, j;
+
+   for (y = 0; y < height; y += bh) {
+      const uint8_t *src = src_row;
+
+      for (x = 0; x < width; x+= bw) {
+         etc2_rgb8_parse_block(&block, src,
+                               false /* punchthrough_alpha */);
+
+         for (j = 0; j < bh; j++) {
+            uint8_t *dst = dst_row + (y + j) * dst_stride + x * comps;
+            for (i = 0; i < bw; i++) {
+               etc2_rgb8_fetch_texel(&block, i, j, dst,
+                                     false /* punchthrough_alpha */);
+               dst[3] = 255;
+               dst += comps;
+            }
+         }
+
+         src += bs;
+      }
+
+      src_row += src_stride;
+   }
+}
+
+static void
+etc2_unpack_srgb8(uint8_t *dst_row,
+                  unsigned dst_stride,
+                  const uint8_t *src_row,
+                  unsigned src_stride,
+                  unsigned width,
+                  unsigned height)
+{
+   const unsigned bw = 4, bh = 4, bs = 8, comps = 4;
+   struct etc2_block block;
+   unsigned x, y, i, j;
+   uint8_t tmp;
+
+   for (y = 0; y < height; y += bh) {
+      const uint8_t *src = src_row;
+
+      for (x = 0; x < width; x+= bw) {
+         etc2_rgb8_parse_block(&block, src,
+                               false /* punchthrough_alpha */);
+
+         for (j = 0; j < bh; j++) {
+            uint8_t *dst = dst_row + (y + j) * dst_stride + x * comps;
+            for (i = 0; i < bw; i++) {
+               etc2_rgb8_fetch_texel(&block, i, j, dst,
+                                     false /* punchthrough_alpha */);
+               /* Convert to MESA_FORMAT_SARGB8 */
+               tmp = dst[0];
+               dst[0] = dst[2];
+               dst[2] = tmp;
+               dst[3] = 255;
+
+               dst += comps;
+            }
+         }
+         src += bs;
+       }
+
+      src_row += src_stride;
+    }
+}
+
+static void
+etc2_unpack_rgba8(uint8_t *dst_row,
+                  unsigned dst_stride,
+                  const uint8_t *src_row,
+                  unsigned src_stride,
+                  unsigned width,
+                  unsigned height)
+{
+   /* If internalformat is COMPRESSED_RGBA8_ETC2_EAC, each 4 × 4 block of
+    * RGBA8888 information is compressed to 128 bits. To decode a block, the
+    * two 64-bit integers int64bitAlpha and int64bitColor are calculated.
+   */
+   const unsigned bw = 4, bh = 4, bs = 16, comps = 4;
+   struct etc2_block block;
+   unsigned x, y, i, j;
+
+   for (y = 0; y < height; y += bh) {
+      const uint8_t *src = src_row;
+
+      for (x = 0; x < width; x+= bw) {
+         etc2_rgba8_parse_block(&block, src);
+
+         for (j = 0; j < bh; j++) {
+            uint8_t *dst = dst_row + (y + j) * dst_stride + x * comps;
+            for (i = 0; i < bw; i++) {
+               etc2_rgba8_fetch_texel(&block, i, j, dst);
+               dst += comps;
+            }
+         }
+         src += bs;
+       }
+
+      src_row += src_stride;
+    }
+}
+
+static void
+etc2_unpack_srgb8_alpha8(uint8_t *dst_row,
+                         unsigned dst_stride,
+                         const uint8_t *src_row,
+                         unsigned src_stride,
+                         unsigned width,
+                         unsigned height)
+{
+   /* If internalformat is COMPRESSED_SRGB8_ALPHA8_ETC2_EAC, each 4 × 4 block
+    * of RGBA8888 information is compressed to 128 bits. To decode a block, the
+    * two 64-bit integers int64bitAlpha and int64bitColor are calculated.
+    */
+   const unsigned bw = 4, bh = 4, bs = 16, comps = 4;
+   struct etc2_block block;
+   unsigned x, y, i, j;
+   uint8_t tmp;
+
+   for (y = 0; y < height; y += bh) {
+      const uint8_t *src = src_row;
+
+      for (x = 0; x < width; x+= bw) {
+         etc2_rgba8_parse_block(&block, src);
+
+         for (j = 0; j < bh; j++) {
+            uint8_t *dst = dst_row + (y + j) * dst_stride + x * comps;
+            for (i = 0; i < bw; i++) {
+               etc2_rgba8_fetch_texel(&block, i, j, dst);
+
+               /* Convert to MESA_FORMAT_SARGB8 */
+               tmp = dst[0];
+               dst[0] = dst[2];
+               dst[2] = tmp;
+               dst[3] = dst[3];
+
+               dst += comps;
+            }
+         }
+         src += bs;
+       }
+
+      src_row += src_stride;
+    }
+}
+
+static void
+etc2_unpack_r11(uint8_t *dst_row,
+                unsigned dst_stride,
+                const uint8_t *src_row,
+                unsigned src_stride,
+                unsigned width,
+                unsigned height)
+{
+   /* If internalformat is COMPRESSED_R11_EAC, each 4 × 4 block of
+      color information is compressed to 64 bits.
+   */
+   const unsigned bw = 4, bh = 4, bs = 8, comps = 1, comp_size = 2;
+   struct etc2_block block;
+   unsigned x, y, i, j;
+
+   for (y = 0; y < height; y += bh) {
+      const uint8_t *src = src_row;
+
+      for (x = 0; x < width; x+= bw) {
+         etc2_r11_parse_block(&block, src);
+
+         for (j = 0; j < bh; j++) {
+            uint8_t *dst = dst_row + (y + j) * dst_stride + x * comps * comp_size;
+            for (i = 0; i < bw; i++) {
+               etc2_r11_fetch_texel(&block, i, j, dst);
+               dst += comps * comp_size;
+            }
+         }
+         src += bs;
+       }
+
+      src_row += src_stride;
+    }
+}
+
+static void
+etc2_unpack_rg11(uint8_t *dst_row,
+                 unsigned dst_stride,
+                 const uint8_t *src_row,
+                 unsigned src_stride,
+                 unsigned width,
+                 unsigned height)
+{
+   /* If internalformat is COMPRESSED_RG11_EAC, each 4 × 4 block of
+      RG color information is compressed to 128 bits.
+   */
+   const unsigned bw = 4, bh = 4, bs = 16, comps = 2, comp_size = 2;
+   struct etc2_block block;
+   unsigned x, y, i, j;
+
+   for (y = 0; y < height; y += bh) {
+      const uint8_t *src = src_row;
+
+      for (x = 0; x < width; x+= bw) {
+         /* red component */
+         etc2_r11_parse_block(&block, src);
+
+         for (j = 0; j < bh; j++) {
+            uint8_t *dst = dst_row + (y + j) * dst_stride +
+                           x * comps * comp_size;
+            for (i = 0; i < bw; i++) {
+               etc2_r11_fetch_texel(&block, i, j, dst);
+               dst += comps * comp_size;
+            }
+         }
+         /* green component */
+         etc2_r11_parse_block(&block, src + 8);
+
+         for (j = 0; j < bh; j++) {
+            uint8_t *dst = dst_row + (y + j) * dst_stride +
+                           x * comps * comp_size;
+            for (i = 0; i < bw; i++) {
+               etc2_r11_fetch_texel(&block, i, j, dst + comp_size);
+               dst += comps * comp_size;
+            }
+         }
+         src += bs;
+       }
+
+      src_row += src_stride;
+    }
+}
+
+static void
+etc2_unpack_signed_r11(uint8_t *dst_row,
+                       unsigned dst_stride,
+                       const uint8_t *src_row,
+                       unsigned src_stride,
+                       unsigned width,
+                       unsigned height)
+{
+   /* If internalformat is COMPRESSED_SIGNED_R11_EAC, each 4 × 4 block of
+      red color information is compressed to 64 bits.
+   */
+   const unsigned bw = 4, bh = 4, bs = 8, comps = 1, comp_size = 2;
+   struct etc2_block block;
+   unsigned x, y, i, j;
+
+   for (y = 0; y < height; y += bh) {
+      const uint8_t *src = src_row;
+
+      for (x = 0; x < width; x+= bw) {
+         etc2_r11_parse_block(&block, src);
+
+         for (j = 0; j < bh; j++) {
+            uint8_t *dst = dst_row + (y + j) * dst_stride +
+                           x * comps * comp_size;
+            for (i = 0; i < bw; i++) {
+               etc2_signed_r11_fetch_texel(&block, i, j, dst);
+               dst += comps * comp_size;
+            }
+         }
+         src += bs;
+       }
+
+      src_row += src_stride;
+    }
+}
+
+static void
+etc2_unpack_signed_rg11(uint8_t *dst_row,
+                        unsigned dst_stride,
+                        const uint8_t *src_row,
+                        unsigned src_stride,
+                        unsigned width,
+                        unsigned height)
+{
+   /* If internalformat is COMPRESSED_SIGNED_RG11_EAC, each 4 × 4 block of
+      RG color information is compressed to 128 bits.
+   */
+   const unsigned bw = 4, bh = 4, bs = 16, comps = 2, comp_size = 2;
+   struct etc2_block block;
+   unsigned x, y, i, j;
+
+   for (y = 0; y < height; y += bh) {
+      const uint8_t *src = src_row;
+
+      for (x = 0; x < width; x+= bw) {
+         /* red component */
+         etc2_r11_parse_block(&block, src);
+
+         for (j = 0; j < bh; j++) {
+            uint8_t *dst = dst_row + (y + j) * dst_stride +
+                          x * comps * comp_size;
+            for (i = 0; i < bw; i++) {
+               etc2_signed_r11_fetch_texel(&block, i, j, dst);
+               dst += comps * comp_size;
+            }
+         }
+         /* green component */
+         etc2_r11_parse_block(&block, src + 8);
+
+         for (j = 0; j < bh; j++) {
+            uint8_t *dst = dst_row + (y + j) * dst_stride +
+                           x * comps * comp_size;
+            for (i = 0; i < bw; i++) {
+               etc2_signed_r11_fetch_texel(&block, i, j, dst + comp_size);
+               dst += comps * comp_size;
+            }
+         }
+         src += bs;
+       }
+
+      src_row += src_stride;
+    }
+}
+
+static void
+etc2_unpack_rgb8_punchthrough_alpha1(uint8_t *dst_row,
+                                     unsigned dst_stride,
+                                     const uint8_t *src_row,
+                                     unsigned src_stride,
+                                     unsigned width,
+                                     unsigned height)
+{
+   const unsigned bw = 4, bh = 4, bs = 8, comps = 4;
+   struct etc2_block block;
+   unsigned x, y, i, j;
+
+   for (y = 0; y < height; y += bh) {
+      const uint8_t *src = src_row;
+
+      for (x = 0; x < width; x+= bw) {
+         etc2_rgb8_parse_block(&block, src,
+                               true /* punchthrough_alpha */);
+         for (j = 0; j < bh; j++) {
+            uint8_t *dst = dst_row + (y + j) * dst_stride + x * comps;
+            for (i = 0; i < bw; i++) {
+               etc2_rgb8_fetch_texel(&block, i, j, dst,
+                                     true /* punchthrough_alpha */);
+               dst += comps;
+            }
+         }
+
+         src += bs;
+      }
+
+      src_row += src_stride;
+   }
+}
+
+static void
+etc2_unpack_srgb8_punchthrough_alpha1(uint8_t *dst_row,
+                                     unsigned dst_stride,
+                                     const uint8_t *src_row,
+                                     unsigned src_stride,
+                                     unsigned width,
+                                     unsigned height)
+{
+   const unsigned bw = 4, bh = 4, bs = 8, comps = 4;
+   struct etc2_block block;
+   unsigned x, y, i, j;
+   uint8_t tmp;
+
+   for (y = 0; y < height; y += bh) {
+      const uint8_t *src = src_row;
+
+      for (x = 0; x < width; x+= bw) {
+         etc2_rgb8_parse_block(&block, src,
+                               true /* punchthrough_alpha */);
+         for (j = 0; j < bh; j++) {
+            uint8_t *dst = dst_row + (y + j) * dst_stride + x * comps;
+            for (i = 0; i < bw; i++) {
+               etc2_rgb8_fetch_texel(&block, i, j, dst,
+                                     true /* punchthrough_alpha */);
+               /* Convert to MESA_FORMAT_SARGB8 */
+               tmp = dst[0];
+               dst[0] = dst[2];
+               dst[2] = tmp;
+               dst[3] = dst[3];
+
+               dst += comps;
+            }
+         }
+
+         src += bs;
+      }
+
+      src_row += src_stride;
+   }
+}
+
+/* ETC2 texture formats are valid in glCompressedTexImage2D and
+ * glCompressedTexSubImage2D functions */
+GLboolean
+_mesa_texstore_etc2_rgb8(TEXSTORE_PARAMS)
+{
+   ASSERT(0);
+
+   return GL_FALSE;
+}
+
+GLboolean
+_mesa_texstore_etc2_srgb8(TEXSTORE_PARAMS)
+{
+   ASSERT(0);
+
+   return GL_FALSE;
+}
+
+GLboolean
+_mesa_texstore_etc2_rgba8_eac(TEXSTORE_PARAMS)
+{
+   ASSERT(0);
+
+   return GL_FALSE;
+}
+
+GLboolean
+_mesa_texstore_etc2_srgb8_alpha8_eac(TEXSTORE_PARAMS)
+{
+   ASSERT(0);
+
+   return GL_FALSE;
+}
+
+GLboolean
+_mesa_texstore_etc2_r11_eac(TEXSTORE_PARAMS)
+{
+   ASSERT(0);
+
+   return GL_FALSE;
+}
+
+GLboolean
+_mesa_texstore_etc2_signed_r11_eac(TEXSTORE_PARAMS)
+{
+   ASSERT(0);
+
+   return GL_FALSE;
+}
+
+GLboolean
+_mesa_texstore_etc2_rg11_eac(TEXSTORE_PARAMS)
+{
+   ASSERT(0);
+
+   return GL_FALSE;
+}
+
+GLboolean
+_mesa_texstore_etc2_signed_rg11_eac(TEXSTORE_PARAMS)
+{
+   ASSERT(0);
+
+   return GL_FALSE;
+}
+
+GLboolean
+_mesa_texstore_etc2_rgb8_punchthrough_alpha1(TEXSTORE_PARAMS)
+{
+   ASSERT(0);
+
+   return GL_FALSE;
+}
+
+GLboolean
+_mesa_texstore_etc2_srgb8_punchthrough_alpha1(TEXSTORE_PARAMS)
+{
+   ASSERT(0);
+
+   return GL_FALSE;
+}
+
+void
+_mesa_fetch_texel_2d_f_etc2_rgb8(const struct swrast_texture_image *texImage,
+                                 GLint i, GLint j, GLint k, GLfloat *texel)
+{
+   struct etc2_block block;
+   uint8_t dst[3];
+   const uint8_t *src;
+
+   src = texImage->Map +
+      (((texImage->RowStride + 3) / 4) * (j / 4) + (i / 4)) * 8;
+
+   etc2_rgb8_parse_block(&block, src,
+                         false /* punchthrough_alpha */);
+   etc2_rgb8_fetch_texel(&block, i % 4, j % 4, dst,
+                         false /* punchthrough_alpha */);
+
+   texel[RCOMP] = UBYTE_TO_FLOAT(dst[0]);
+   texel[GCOMP] = UBYTE_TO_FLOAT(dst[1]);
+   texel[BCOMP] = UBYTE_TO_FLOAT(dst[2]);
+   texel[ACOMP] = 1.0f;
+}
+
+void
+_mesa_fetch_texel_2d_f_etc2_srgb8(const struct swrast_texture_image *texImage,
+                                  GLint i, GLint j, GLint k, GLfloat *texel)
+{
+   struct etc2_block block;
+   uint8_t dst[3];
+   const uint8_t *src;
+
+   src = texImage->Map +
+      (((texImage->RowStride + 3) / 4) * (j / 4) + (i / 4)) * 8;
+
+   etc2_rgb8_parse_block(&block, src,
+                         false /* punchthrough_alpha */);
+   etc2_rgb8_fetch_texel(&block, i % 4, j % 4, dst,
+                         false /* punchthrough_alpha */);
+
+   texel[RCOMP] = _mesa_nonlinear_to_linear(dst[0]);
+   texel[GCOMP] = _mesa_nonlinear_to_linear(dst[1]);
+   texel[BCOMP] = _mesa_nonlinear_to_linear(dst[2]);
+   texel[ACOMP] = 1.0f;
+}
+
+void
+_mesa_fetch_texel_2d_f_etc2_rgba8_eac(const struct swrast_texture_image *texImage,
+                                      GLint i, GLint j, GLint k, GLfloat *texel)
+{
+   struct etc2_block block;
+   uint8_t dst[4];
+   const uint8_t *src;
+
+   src = texImage->Map +
+      (((texImage->RowStride + 3) / 4) * (j / 4) + (i / 4)) * 16;
+
+   etc2_rgba8_parse_block(&block, src);
+   etc2_rgba8_fetch_texel(&block, i % 4, j % 4, dst);
+
+   texel[RCOMP] = UBYTE_TO_FLOAT(dst[0]);
+   texel[GCOMP] = UBYTE_TO_FLOAT(dst[1]);
+   texel[BCOMP] = UBYTE_TO_FLOAT(dst[2]);
+   texel[ACOMP] = UBYTE_TO_FLOAT(dst[3]);
+}
+
+void
+_mesa_fetch_texel_2d_f_etc2_srgb8_alpha8_eac(const struct
+                                             swrast_texture_image *texImage,
+                                             GLint i, GLint j,
+                                             GLint k, GLfloat *texel)
+{
+   struct etc2_block block;
+   uint8_t dst[4];
+   const uint8_t *src;
+
+   src = texImage->Map +
+      (((texImage->RowStride + 3) / 4) * (j / 4) + (i / 4)) * 16;
+
+   etc2_rgba8_parse_block(&block, src);
+   etc2_rgba8_fetch_texel(&block, i % 4, j % 4, dst);
+
+   texel[RCOMP] = _mesa_nonlinear_to_linear(dst[0]);
+   texel[GCOMP] = _mesa_nonlinear_to_linear(dst[1]);
+   texel[BCOMP] = _mesa_nonlinear_to_linear(dst[2]);
+   texel[ACOMP] = UBYTE_TO_FLOAT(dst[3]);
+}
+
+void
+_mesa_fetch_texel_2d_f_etc2_r11_eac(const struct swrast_texture_image *texImage,
+                                    GLint i, GLint j, GLint k, GLfloat *texel)
+{
+   struct etc2_block block;
+   GLushort dst;
+   const uint8_t *src;
+
+   src = texImage->Map +
+      (((texImage->RowStride + 3) / 4) * (j / 4) + (i / 4)) * 8;
+
+   etc2_r11_parse_block(&block, src);
+   etc2_r11_fetch_texel(&block, i % 4, j % 4, (uint8_t *)&dst);
+
+   texel[RCOMP] = USHORT_TO_FLOAT(dst);
+   texel[GCOMP] = 0.0f;
+   texel[BCOMP] = 0.0f;
+   texel[ACOMP] = 1.0f;
+}
+
+void
+_mesa_fetch_texel_2d_f_etc2_rg11_eac(const struct
+                                     swrast_texture_image *texImage,
+                                     GLint i, GLint j,
+                                     GLint k, GLfloat *texel)
+{
+   struct etc2_block block;
+   GLushort dst[2];
+   const uint8_t *src;
+
+   src = texImage->Map +
+      (((texImage->RowStride + 3) / 4) * (j / 4) + (i / 4)) * 16;
+
+   /* red component */
+   etc2_r11_parse_block(&block, src);
+   etc2_r11_fetch_texel(&block, i % 4, j % 4, (uint8_t *)dst);
+
+   /* green component */
+   etc2_r11_parse_block(&block, src + 8);
+   etc2_r11_fetch_texel(&block, i % 4, j % 4, (uint8_t *)(dst + 1));
+
+   texel[RCOMP] = USHORT_TO_FLOAT(dst[0]);
+   texel[GCOMP] = USHORT_TO_FLOAT(dst[1]);
+   texel[BCOMP] = 0.0f;
+   texel[ACOMP] = 1.0f;
+}
+
+void
+_mesa_fetch_texel_2d_f_etc2_signed_r11_eac(const struct swrast_texture_image *texImage,
+                                           GLint i, GLint j, GLint k, GLfloat *texel)
+{
+   struct etc2_block block;
+   GLushort dst;
+   const uint8_t *src;
+
+   src = texImage->Map +
+      (((texImage->RowStride + 3) / 4) * (j / 4) + (i / 4)) * 8;
+
+   etc2_r11_parse_block(&block, src);
+   etc2_signed_r11_fetch_texel(&block, i % 4, j % 4, (uint8_t *)&dst);
+
+   texel[RCOMP] = SHORT_TO_FLOAT(dst);
+   texel[GCOMP] = 0.0f;
+   texel[BCOMP] = 0.0f;
+   texel[ACOMP] = 1.0f;
+}
+
+void
+_mesa_fetch_texel_2d_f_etc2_signed_rg11_eac(const struct swrast_texture_image *texImage,
+                                            GLint i, GLint j, GLint k, GLfloat *texel)
+{
+   struct etc2_block block;
+   GLushort dst[2];
+   const uint8_t *src;
+
+   src = texImage->Map +
+      (((texImage->RowStride + 3) / 4) * (j / 4) + (i / 4)) * 16;
+
+   /* red component */
+   etc2_r11_parse_block(&block, src);
+   etc2_signed_r11_fetch_texel(&block, i % 4, j % 4, (uint8_t *)dst);
+
+   /* green component */
+   etc2_r11_parse_block(&block, src + 8);
+   etc2_signed_r11_fetch_texel(&block, i % 4, j % 4, (uint8_t *)(dst + 1));
+
+   texel[RCOMP] = SHORT_TO_FLOAT(dst[0]);
+   texel[GCOMP] = SHORT_TO_FLOAT(dst[1]);
+   texel[BCOMP] = 0.0f;
+   texel[ACOMP] = 1.0f;
+}
+
+void
+_mesa_fetch_texel_2d_f_etc2_rgb8_punchthrough_alpha1(
+   const struct swrast_texture_image *texImage,
+   GLint i, GLint j,
+   GLint k, GLfloat *texel)
+{
+   struct etc2_block block;
+   uint8_t dst[4];
+   const uint8_t *src;
+
+   src = texImage->Map +
+      (((texImage->RowStride + 3) / 4) * (j / 4) + (i / 4)) * 8;
+
+   etc2_rgb8_parse_block(&block, src,
+                         true /* punchthrough alpha */);
+   etc2_rgb8_fetch_texel(&block, i % 4, j % 4, dst,
+                         true /* punchthrough alpha */);
+   texel[RCOMP] = UBYTE_TO_FLOAT(dst[0]);
+   texel[GCOMP] = UBYTE_TO_FLOAT(dst[1]);
+   texel[BCOMP] = UBYTE_TO_FLOAT(dst[2]);
+   texel[ACOMP] = UBYTE_TO_FLOAT(dst[3]);
+}
+
+void
+_mesa_fetch_texel_2d_f_etc2_srgb8_punchthrough_alpha1(
+   const struct swrast_texture_image *texImage,
+   GLint i, GLint j,
+   GLint k, GLfloat *texel)
+{
+   struct etc2_block block;
+   uint8_t dst[4];
+   const uint8_t *src;
+
+   src = texImage->Map +
+      (((texImage->RowStride + 3) / 4) * (j / 4) + (i / 4)) * 8;
+
+   etc2_rgb8_parse_block(&block, src,
+                         true /* punchthrough alpha */);
+   etc2_rgb8_fetch_texel(&block, i % 4, j % 4, dst,
+                         true /* punchthrough alpha */);
+   texel[RCOMP] = _mesa_nonlinear_to_linear(dst[0]);
+   texel[GCOMP] = _mesa_nonlinear_to_linear(dst[1]);
+   texel[BCOMP] = _mesa_nonlinear_to_linear(dst[2]);
+   texel[ACOMP] = UBYTE_TO_FLOAT(dst[3]);
+}
+
+/**
+ * Decode texture data in any one of following formats:
+ * `MESA_FORMAT_ETC2_RGB8`
+ * `MESA_FORMAT_ETC2_SRGB8`
+ * `MESA_FORMAT_ETC2_RGBA8_EAC`
+ * `MESA_FORMAT_ETC2_SRGB8_ALPHA8_EAC`
+ * `MESA_FORMAT_ETC2_R11_EAC`
+ * `MESA_FORMAT_ETC2_RG11_EAC`
+ * `MESA_FORMAT_ETC2_SIGNED_R11_EAC`
+ * `MESA_FORMAT_ETC2_SIGNED_RG11_EAC`
+ * `MESA_FORMAT_ETC2_RGB8_PUNCHTHROUGH_ALPHA1`
+ * `MESA_FORMAT_ETC2_SRGB8_PUNCHTHROUGH_ALPHA1`
+ *
+ * The size of the source data must be a multiple of the ETC2 block size
+ * even if the texture image's dimensions are not aligned to 4.
+ *
+ * \param src_width in pixels
+ * \param src_height in pixels
+ * \param dst_stride in bytes
+ */
+
+void
+_mesa_unpack_etc2_format(uint8_t *dst_row,
+                         unsigned dst_stride,
+                         const uint8_t *src_row,
+                         unsigned src_stride,
+                         unsigned src_width,
+                         unsigned src_height,
+                         gl_format format)
+{
+   if (format == MESA_FORMAT_ETC2_RGB8)
+      etc2_unpack_rgb8(dst_row, dst_stride,
+                       src_row, src_stride,
+                       src_width, src_height);
+   else if (format == MESA_FORMAT_ETC2_SRGB8)
+      etc2_unpack_srgb8(dst_row, dst_stride,
+                        src_row, src_stride,
+                        src_width, src_height);
+   else if (format == MESA_FORMAT_ETC2_RGBA8_EAC)
+      etc2_unpack_rgba8(dst_row, dst_stride,
+                        src_row, src_stride,
+                        src_width, src_height);
+   else if (format == MESA_FORMAT_ETC2_SRGB8_ALPHA8_EAC)
+      etc2_unpack_srgb8_alpha8(dst_row, dst_stride,
+                               src_row, src_stride,
+                               src_width, src_height);
+   else if (format == MESA_FORMAT_ETC2_R11_EAC)
+      etc2_unpack_r11(dst_row, dst_stride,
+                      src_row, src_stride,
+                      src_width, src_height);
+   else if (format == MESA_FORMAT_ETC2_RG11_EAC)
+      etc2_unpack_rg11(dst_row, dst_stride,
+                       src_row, src_stride,
+                       src_width, src_height);
+   else if (format == MESA_FORMAT_ETC2_SIGNED_R11_EAC)
+      etc2_unpack_signed_r11(dst_row, dst_stride,
+                             src_row, src_stride,
+                             src_width, src_height);
+   else if (format == MESA_FORMAT_ETC2_SIGNED_RG11_EAC)
+      etc2_unpack_signed_rg11(dst_row, dst_stride,
+                              src_row, src_stride,
+                              src_width, src_height);
+   else if (format == MESA_FORMAT_ETC2_RGB8_PUNCHTHROUGH_ALPHA1)
+      etc2_unpack_rgb8_punchthrough_alpha1(dst_row, dst_stride,
+                                           src_row, src_stride,
+                                           src_width, src_height);
+   else if (format == MESA_FORMAT_ETC2_SRGB8_PUNCHTHROUGH_ALPHA1)
+      etc2_unpack_srgb8_punchthrough_alpha1(dst_row, dst_stride,
+                                            src_row, src_stride,
+                                            src_width, src_height);
+}
diff --git a/mesalib/src/mesa/main/texcompress_etc.h b/mesalib/src/mesa/main/texcompress_etc.h
index 411e1540d..5e086d4e7 100644
--- a/mesalib/src/mesa/main/texcompress_etc.h
+++ b/mesalib/src/mesa/main/texcompress_etc.h
@@ -34,16 +34,93 @@ struct swrast_texture_image;
 GLboolean
 _mesa_texstore_etc1_rgb8(TEXSTORE_PARAMS);
 
+GLboolean
+_mesa_texstore_etc2_rgb8(TEXSTORE_PARAMS);
+
+GLboolean
+_mesa_texstore_etc2_srgb8(TEXSTORE_PARAMS);
+
+GLboolean
+_mesa_texstore_etc2_rgba8_eac(TEXSTORE_PARAMS);
+
+GLboolean
+_mesa_texstore_etc2_srgb8_alpha8_eac(TEXSTORE_PARAMS);
+
+GLboolean
+_mesa_texstore_etc2_r11_eac(TEXSTORE_PARAMS);
+
+GLboolean
+_mesa_texstore_etc2_rg11_eac(TEXSTORE_PARAMS);
+
+GLboolean
+_mesa_texstore_etc2_signed_r11_eac(TEXSTORE_PARAMS);
+
+GLboolean
+_mesa_texstore_etc2_signed_rg11_eac(TEXSTORE_PARAMS);
+
+GLboolean
+_mesa_texstore_etc2_rgb8_punchthrough_alpha1(TEXSTORE_PARAMS);
+
+GLboolean
+_mesa_texstore_etc2_srgb8_punchthrough_alpha1(TEXSTORE_PARAMS);
+
 void
 _mesa_fetch_texel_2d_f_etc1_rgb8(const struct swrast_texture_image *texImage,
                                  GLint i, GLint j, GLint k, GLfloat *texel);
+void
+_mesa_fetch_texel_2d_f_etc2_rgb8(const struct swrast_texture_image *texImage,
+                                 GLint i, GLint j, GLint k, GLfloat *texel);
+void
+_mesa_fetch_texel_2d_f_etc2_srgb8(const struct swrast_texture_image *texImage,
+                                  GLint i, GLint j, GLint k, GLfloat *texel);
 
 void
+_mesa_fetch_texel_2d_f_etc2_rgba8_eac(const struct swrast_texture_image *texImage,
+                                      GLint i, GLint j, GLint k, GLfloat *texel);
+void
+_mesa_fetch_texel_2d_f_etc2_srgb8_alpha8_eac(const struct
+                                            swrast_texture_image *texImage,
+                                            GLint i, GLint j,
+                                            GLint k, GLfloat *texel);
+void
+_mesa_fetch_texel_2d_f_etc2_r11_eac(const struct swrast_texture_image *texImage,
+                                    GLint i, GLint j, GLint k, GLfloat *texel);
+void
+_mesa_fetch_texel_2d_f_etc2_rg11_eac(const struct swrast_texture_image *texImage,
+                                     GLint i, GLint j, GLint k, GLfloat *texel);
+void
+_mesa_fetch_texel_2d_f_etc2_signed_r11_eac(const struct
+                                           swrast_texture_image *texImage,
+                                           GLint i, GLint j,
+                                           GLint k, GLfloat *texel);
+void
+_mesa_fetch_texel_2d_f_etc2_signed_rg11_eac(const struct
+                                            swrast_texture_image *texImage,
+                                            GLint i, GLint j,
+                                            GLint k, GLfloat *texel);
+void
+_mesa_fetch_texel_2d_f_etc2_rgb8_punchthrough_alpha1(
+                                 const struct swrast_texture_image *texImage,
+                                 GLint i, GLint j,
+                                 GLint k, GLfloat *texel);
+void
+_mesa_fetch_texel_2d_f_etc2_srgb8_punchthrough_alpha1(
+                                 const struct swrast_texture_image *texImage,
+                                 GLint i, GLint j,
+                                 GLint k, GLfloat *texel);
+void
 _mesa_etc1_unpack_rgba8888(uint8_t *dst_row,
                            unsigned dst_stride,
                            const uint8_t *src_row,
                            unsigned src_stride,
                            unsigned src_width,
                            unsigned src_height);
-
+void
+_mesa_unpack_etc2_format(uint8_t *dst_row,
+                         unsigned dst_stride,
+                         const uint8_t *src_row,
+                         unsigned src_stride,
+                         unsigned src_width,
+                         unsigned src_height,
+                         gl_format format);
 #endif
diff --git a/mesalib/src/mesa/main/texcompress_s3tc.c b/mesalib/src/mesa/main/texcompress_s3tc.c
index da7725964..476b998e0 100644
--- a/mesalib/src/mesa/main/texcompress_s3tc.c
+++ b/mesalib/src/mesa/main/texcompress_s3tc.c
@@ -45,6 +45,7 @@
 #include "texcompress_s3tc.h"
 #include "texstore.h"
 #include "swrast/s_context.h"
+#include "format_unpack.h"
 
 
 #if defined(_WIN32) || defined(WIN32)
@@ -57,33 +58,6 @@
 #define DXTN_LIBNAME "libtxc_dxtn.so"
 #endif
 
-/**
- * Convert an 8-bit sRGB value from non-linear space to a
- * linear RGB value in [0, 1].
- * Implemented with a 256-entry lookup table.
- */
-static inline GLfloat
-nonlinear_to_linear(GLubyte cs8)
-{
-   static GLfloat table[256];
-   static GLboolean tableReady = GL_FALSE;
-   if (!tableReady) {
-      /* compute lookup table now */
-      GLuint i;
-      for (i = 0; i < 256; i++) {
-         const GLfloat cs = UBYTE_TO_FLOAT(i);
-         if (cs <= 0.04045) {
-            table[i] = cs / 12.92f;
-         }
-         else {
-            table[i] = (GLfloat) pow((cs + 0.055) / 1.055, 2.4);
-         }
-      }
-      tableReady = GL_TRUE;
-   }
-   return table[cs8];
-}
-
 typedef void (*dxtFetchTexelFuncExt)( GLint srcRowstride, GLubyte *pixdata, GLint col, GLint row, GLvoid *texelOut );
 
 static dxtFetchTexelFuncExt fetch_ext_rgb_dxt1 = NULL;
@@ -476,9 +450,9 @@ _mesa_fetch_texel_srgb_dxt1(const struct swrast_texture_image *texImage,
    /* just sample as GLubyte and convert to float here */
    GLubyte rgba[4];
    fetch_texel_2d_rgb_dxt1(texImage, i, j, k, rgba);
-   texel[RCOMP] = nonlinear_to_linear(rgba[RCOMP]);
-   texel[GCOMP] = nonlinear_to_linear(rgba[GCOMP]);
-   texel[BCOMP] = nonlinear_to_linear(rgba[BCOMP]);
+   texel[RCOMP] = _mesa_nonlinear_to_linear(rgba[RCOMP]);
+   texel[GCOMP] = _mesa_nonlinear_to_linear(rgba[GCOMP]);
+   texel[BCOMP] = _mesa_nonlinear_to_linear(rgba[BCOMP]);
    texel[ACOMP] = UBYTE_TO_FLOAT(rgba[ACOMP]);
 }
 
@@ -489,9 +463,9 @@ _mesa_fetch_texel_srgba_dxt1(const struct swrast_texture_image *texImage,
    /* just sample as GLubyte and convert to float here */
    GLubyte rgba[4];
    fetch_texel_2d_rgba_dxt1(texImage, i, j, k, rgba);
-   texel[RCOMP] = nonlinear_to_linear(rgba[RCOMP]);
-   texel[GCOMP] = nonlinear_to_linear(rgba[GCOMP]);
-   texel[BCOMP] = nonlinear_to_linear(rgba[BCOMP]);
+   texel[RCOMP] = _mesa_nonlinear_to_linear(rgba[RCOMP]);
+   texel[GCOMP] = _mesa_nonlinear_to_linear(rgba[GCOMP]);
+   texel[BCOMP] = _mesa_nonlinear_to_linear(rgba[BCOMP]);
    texel[ACOMP] = UBYTE_TO_FLOAT(rgba[ACOMP]);
 }
 
@@ -502,9 +476,9 @@ _mesa_fetch_texel_srgba_dxt3(const struct swrast_texture_image *texImage,
    /* just sample as GLubyte and convert to float here */
    GLubyte rgba[4];
    fetch_texel_2d_rgba_dxt3(texImage, i, j, k, rgba);
-   texel[RCOMP] = nonlinear_to_linear(rgba[RCOMP]);
-   texel[GCOMP] = nonlinear_to_linear(rgba[GCOMP]);
-   texel[BCOMP] = nonlinear_to_linear(rgba[BCOMP]);
+   texel[RCOMP] = _mesa_nonlinear_to_linear(rgba[RCOMP]);
+   texel[GCOMP] = _mesa_nonlinear_to_linear(rgba[GCOMP]);
+   texel[BCOMP] = _mesa_nonlinear_to_linear(rgba[BCOMP]);
    texel[ACOMP] = UBYTE_TO_FLOAT(rgba[ACOMP]);
 }
 
@@ -515,8 +489,8 @@ _mesa_fetch_texel_srgba_dxt5(const struct swrast_texture_image *texImage,
    /* just sample as GLubyte and convert to float here */
    GLubyte rgba[4];
    fetch_texel_2d_rgba_dxt5(texImage, i, j, k, rgba);
-   texel[RCOMP] = nonlinear_to_linear(rgba[RCOMP]);
-   texel[GCOMP] = nonlinear_to_linear(rgba[GCOMP]);
-   texel[BCOMP] = nonlinear_to_linear(rgba[BCOMP]);
+   texel[RCOMP] = _mesa_nonlinear_to_linear(rgba[RCOMP]);
+   texel[GCOMP] = _mesa_nonlinear_to_linear(rgba[GCOMP]);
+   texel[BCOMP] = _mesa_nonlinear_to_linear(rgba[BCOMP]);
    texel[ACOMP] = UBYTE_TO_FLOAT(rgba[ACOMP]);
 }
diff --git a/mesalib/src/mesa/main/texformat.c b/mesalib/src/mesa/main/texformat.c
index f0bc7fdb9..b3ffc6c51 100644
--- a/mesalib/src/mesa/main/texformat.c
+++ b/mesalib/src/mesa/main/texformat.c
@@ -972,6 +972,43 @@ _mesa_choose_tex_format(struct gl_context *ctx, GLenum target,
       }
    }
 
+   if (_mesa_is_gles3(ctx)) {
+      switch (internalFormat) {
+      case GL_COMPRESSED_RGB8_ETC2:
+         RETURN_IF_SUPPORTED(MESA_FORMAT_ETC2_RGB8);
+         break;
+      case GL_COMPRESSED_SRGB8_ETC2:
+         RETURN_IF_SUPPORTED(MESA_FORMAT_ETC2_SRGB8);
+         break;
+      case GL_COMPRESSED_RGBA8_ETC2_EAC:
+         RETURN_IF_SUPPORTED(MESA_FORMAT_ETC2_RGBA8_EAC);
+         break;
+      case GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:
+         RETURN_IF_SUPPORTED(MESA_FORMAT_ETC2_SRGB8_ALPHA8_EAC);
+         break;
+      case GL_COMPRESSED_R11_EAC:
+         RETURN_IF_SUPPORTED(MESA_FORMAT_ETC2_R11_EAC);
+         break;
+      case GL_COMPRESSED_RG11_EAC:
+         RETURN_IF_SUPPORTED(MESA_FORMAT_ETC2_RG11_EAC);
+         break;
+      case GL_COMPRESSED_SIGNED_R11_EAC:
+         RETURN_IF_SUPPORTED(MESA_FORMAT_ETC2_SIGNED_R11_EAC);
+         break;
+      case GL_COMPRESSED_SIGNED_RG11_EAC:
+         RETURN_IF_SUPPORTED(MESA_FORMAT_ETC2_SIGNED_RG11_EAC);
+         break;
+      case GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2:
+         RETURN_IF_SUPPORTED(MESA_FORMAT_ETC2_RGB8_PUNCHTHROUGH_ALPHA1);
+         break;
+      case GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2:
+         RETURN_IF_SUPPORTED(MESA_FORMAT_ETC2_SRGB8_PUNCHTHROUGH_ALPHA1);
+         break;
+      default:
+         ; /* fallthrough */
+      }
+   }
+
    _mesa_problem(ctx, "unexpected format %s in _mesa_choose_tex_format()",
                  _mesa_lookup_enum_by_nr(internalFormat));
    return MESA_FORMAT_NONE;
diff --git a/mesalib/src/mesa/main/teximage.c b/mesalib/src/mesa/main/teximage.c
index a720c38b8..83b7e1488 100644
--- a/mesalib/src/mesa/main/teximage.c
+++ b/mesalib/src/mesa/main/teximage.c
@@ -529,6 +529,27 @@ _mesa_base_tex_format( struct gl_context *ctx, GLint internalFormat )
       }
    }
 
+   if (_mesa_is_gles3(ctx)) {
+      switch (internalFormat) {
+      case GL_COMPRESSED_RGB8_ETC2:
+      case GL_COMPRESSED_SRGB8_ETC2:
+         return GL_RGB;
+      case GL_COMPRESSED_RGBA8_ETC2_EAC:
+      case GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:
+      case GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2:
+      case GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2:
+         return GL_RGBA;
+      case GL_COMPRESSED_R11_EAC:
+      case GL_COMPRESSED_SIGNED_R11_EAC:
+         return GL_RED;
+      case GL_COMPRESSED_RG11_EAC:
+      case GL_COMPRESSED_SIGNED_RG11_EAC:
+         return GL_RG;
+      default:
+         ; /* fallthrough */
+      }
+   }
+
    if (ctx->API == API_OPENGLES) {
       switch (internalFormat) {
       case GL_PALETTE4_RGB8_OES:
diff --git a/mesalib/src/mesa/main/texstore.c b/mesalib/src/mesa/main/texstore.c
index 1c088106f..26c5b6703 100644
--- a/mesalib/src/mesa/main/texstore.c
+++ b/mesalib/src/mesa/main/texstore.c
@@ -4124,6 +4124,18 @@ _mesa_get_texstore_func(gl_format format)
       table[MESA_FORMAT_LA_LATC2] = _mesa_texstore_rg_rgtc2;
       table[MESA_FORMAT_SIGNED_LA_LATC2] = _mesa_texstore_signed_rg_rgtc2;
       table[MESA_FORMAT_ETC1_RGB8] = _mesa_texstore_etc1_rgb8;
+      table[MESA_FORMAT_ETC2_RGB8] = _mesa_texstore_etc2_rgb8;
+      table[MESA_FORMAT_ETC2_SRGB8] = _mesa_texstore_etc2_srgb8;
+      table[MESA_FORMAT_ETC2_RGBA8_EAC] = _mesa_texstore_etc2_rgba8_eac;
+      table[MESA_FORMAT_ETC2_SRGB8_ALPHA8_EAC] = _mesa_texstore_etc2_srgb8_alpha8_eac;
+      table[MESA_FORMAT_ETC2_R11_EAC] = _mesa_texstore_etc2_r11_eac;
+      table[MESA_FORMAT_ETC2_RG11_EAC] = _mesa_texstore_etc2_rg11_eac;
+      table[MESA_FORMAT_ETC2_SIGNED_R11_EAC] = _mesa_texstore_etc2_signed_r11_eac;
+      table[MESA_FORMAT_ETC2_SIGNED_RG11_EAC] = _mesa_texstore_etc2_signed_rg11_eac;
+      table[MESA_FORMAT_ETC2_RGB8_PUNCHTHROUGH_ALPHA1] =
+         _mesa_texstore_etc2_rgb8_punchthrough_alpha1;
+      table[MESA_FORMAT_ETC2_SRGB8_PUNCHTHROUGH_ALPHA1] =
+         _mesa_texstore_etc2_srgb8_punchthrough_alpha1;
       table[MESA_FORMAT_SIGNED_A8] = _mesa_texstore_snorm8;
       table[MESA_FORMAT_SIGNED_L8] = _mesa_texstore_snorm8;
       table[MESA_FORMAT_SIGNED_AL88] = _mesa_texstore_snorm88;
diff --git a/mesalib/src/mesa/program/Android.mk b/mesalib/src/mesa/program/Android.mk
index 712506129..51362e0eb 100644
--- a/mesalib/src/mesa/program/Android.mk
+++ b/mesalib/src/mesa/program/Android.mk
@@ -65,6 +65,9 @@ LOCAL_GENERATED_SOURCES := \
 $(intermediates)/program/program_parse.tab.c: $(LOCAL_PATH)/program_parse.y
 	$(mesa_local-y-to-c-and-h)
 
+$(intermediates)/program/program_parse.tab.h: $(intermediates)/program/program_parse.tab.c
+	@
+
 $(intermediates)/program/lex.yy.c: $(LOCAL_PATH)/program_lexer.l
 	$(local-l-to-c)
 
diff --git a/mesalib/src/mesa/program/hash_table.c b/mesalib/src/mesa/program/prog_hash_table.c
index f45ed46af..f45ed46af 100644
--- a/mesalib/src/mesa/program/hash_table.c
+++ b/mesalib/src/mesa/program/prog_hash_table.c
diff --git a/mesalib/src/mesa/sources.mak b/mesalib/src/mesa/sources.mak
index 54e58c21b..8cde2c4cf 100644
--- a/mesalib/src/mesa/sources.mak
+++ b/mesalib/src/mesa/sources.mak
@@ -76,6 +76,7 @@ MAIN_FILES = \
 	$(SRCDIR)main/renderbuffer.c \
 	$(SRCDIR)main/samplerobj.c \
 	$(SRCDIR)main/scissor.c \
+	$(SRCDIR)main/set.c \
 	$(SRCDIR)main/shaderapi.c \
 	$(SRCDIR)main/shaderobj.c \
 	$(SRCDIR)main/shader_query.cpp \
@@ -247,7 +248,7 @@ STATETRACKER_FILES = \
 
 PROGRAM_FILES = \
 	$(SRCDIR)program/arbprogparse.c \
-	$(SRCDIR)program/hash_table.c \
+	$(SRCDIR)program/prog_hash_table.c \
 	$(SRCDIR)program/ir_to_mesa.cpp \
 	$(SRCDIR)program/program.c \
 	$(SRCDIR)program/program_parse_extra.c \
diff --git a/mesalib/src/mesa/state_tracker/st_atom.c b/mesalib/src/mesa/state_tracker/st_atom.c
index 102fee93b..32bcc266a 100644
--- a/mesalib/src/mesa/state_tracker/st_atom.c
+++ b/mesalib/src/mesa/state_tracker/st_atom.c
@@ -64,6 +64,8 @@ static const struct st_tracked_state *atoms[] =
    &st_update_vs_constants,
    &st_update_gs_constants,
    &st_update_fs_constants,
+   &st_bind_vs_ubos,
+   &st_bind_fs_ubos,
    &st_update_pixel_transfer,
 
    /* this must be done after the vertex program update */
diff --git a/mesalib/src/mesa/state_tracker/st_atom.h b/mesalib/src/mesa/state_tracker/st_atom.h
index 6c7d09fba..101a3a6bd 100644
--- a/mesalib/src/mesa/state_tracker/st_atom.h
+++ b/mesalib/src/mesa/state_tracker/st_atom.h
@@ -67,6 +67,8 @@ extern const struct st_tracked_state st_finalize_textures;
 extern const struct st_tracked_state st_update_fs_constants;
 extern const struct st_tracked_state st_update_gs_constants;
 extern const struct st_tracked_state st_update_vs_constants;
+extern const struct st_tracked_state st_bind_fs_ubos;
+extern const struct st_tracked_state st_bind_vs_ubos;
 extern const struct st_tracked_state st_update_pixel_transfer;
 
 
diff --git a/mesalib/src/mesa/state_tracker/st_atom_constbuf.c b/mesalib/src/mesa/state_tracker/st_atom_constbuf.c
index 580393e60..961fb28a9 100644
--- a/mesalib/src/mesa/state_tracker/st_atom_constbuf.c
+++ b/mesalib/src/mesa/state_tracker/st_atom_constbuf.c
@@ -45,7 +45,7 @@
 #include "st_atom.h"
 #include "st_atom_constbuf.h"
 #include "st_program.h"
-
+#include "st_cb_bufferobjects.h"
 
 /**
  * Pass the given program parameters to the graphics pipe as a
@@ -175,3 +175,69 @@ const struct st_tracked_state st_update_gs_constants = {
    },
    update_gs_constants					/* update */
 };
+
+static void st_bind_ubos(struct st_context *st,
+                           struct gl_shader *shader,
+                           unsigned shader_type)
+{
+   unsigned i;
+   struct pipe_constant_buffer cb = { 0 };
+
+   if (!shader)
+      return;
+
+   for (i = 0; i < shader->NumUniformBlocks; i++) {
+      struct gl_uniform_buffer_binding *binding;
+      struct st_buffer_object *st_obj;
+
+      binding = &st->ctx->UniformBufferBindings[shader->UniformBlocks[i].Binding];
+      st_obj = st_buffer_object(binding->BufferObject);
+      pipe_resource_reference(&cb.buffer, st_obj->buffer);
+
+      cb.buffer_size = st_obj->buffer->width0 - binding->Offset;
+
+      st->pipe->set_constant_buffer(st->pipe, shader_type, 1 + i, &cb);
+      pipe_resource_reference(&cb.buffer, NULL);
+   }
+}
+
+static void bind_vs_ubos(struct st_context *st)
+{
+   struct gl_shader_program *prog = st->ctx->Shader.CurrentVertexProgram;
+
+   if (!prog)
+      return;
+
+   st_bind_ubos(st, prog->_LinkedShaders[MESA_SHADER_VERTEX], PIPE_SHADER_VERTEX);
+}
+
+const struct st_tracked_state st_bind_vs_ubos = {
+   "st_bind_vs_ubos",
+   {
+      (_NEW_PROGRAM | _NEW_BUFFER_OBJECT),
+      ST_NEW_VERTEX_PROGRAM,
+   },
+   bind_vs_ubos
+};
+
+static void bind_fs_ubos(struct st_context *st)
+{
+   struct gl_shader_program *prog = st->ctx->Shader.CurrentFragmentProgram;
+
+   if (!prog)
+      return;
+
+   st_bind_ubos(st, prog->_LinkedShaders[MESA_SHADER_FRAGMENT], PIPE_SHADER_FRAGMENT);
+
+}
+
+const struct st_tracked_state st_bind_fs_ubos = {
+   "st_bind_fs_ubos",
+   {
+      (_NEW_PROGRAM | _NEW_BUFFER_OBJECT),
+      ST_NEW_FRAGMENT_PROGRAM,
+   },
+   bind_fs_ubos
+};
+
+
diff --git a/mesalib/src/mesa/state_tracker/st_atom_texture.c b/mesalib/src/mesa/state_tracker/st_atom_texture.c
index df05e83c2..dba1d829c 100644
--- a/mesalib/src/mesa/state_tracker/st_atom_texture.c
+++ b/mesalib/src/mesa/state_tracker/st_atom_texture.c
@@ -215,13 +215,19 @@ update_single_texture(struct st_context *st,
 
    /* Determine the format of the texture sampler view */
    st_view_format = stObj->pt->format;
-   {
-      const struct st_texture_image *firstImage =
-	 st_texture_image(stObj->base.Image[0][stObj->base.BaseLevel]);
-      const gl_format texFormat = firstImage->base.TexFormat;
-      enum pipe_format firstImageFormat =
-	 st_mesa_format_to_pipe_format(texFormat);
 
+   {
+      gl_format texFormat;
+      enum pipe_format firstImageFormat;
+
+      if (texObj->Target == GL_TEXTURE_BUFFER) {
+         texFormat = stObj->base._BufferObjectFormat;
+      } else {
+         const struct st_texture_image *firstImage =
+            st_texture_image(stObj->base.Image[0][stObj->base.BaseLevel]);
+         texFormat = firstImage->base.TexFormat;
+      }
+      firstImageFormat = st_mesa_format_to_pipe_format(texFormat);
       if ((samp->sRGBDecode == GL_SKIP_DECODE_EXT) &&
 	  (_mesa_get_format_color_encoding(texFormat) == GL_SRGB)) {
          /* Don't do sRGB->RGB conversion.  Interpret the texture data as
diff --git a/mesalib/src/mesa/state_tracker/st_cb_bufferobjects.c b/mesalib/src/mesa/state_tracker/st_cb_bufferobjects.c
index ac38128df..cf291c1c1 100644
--- a/mesalib/src/mesa/state_tracker/st_cb_bufferobjects.c
+++ b/mesalib/src/mesa/state_tracker/st_cb_bufferobjects.c
@@ -195,9 +195,15 @@ st_bufferobj_data(struct gl_context *ctx,
    case GL_ELEMENT_ARRAY_BUFFER_ARB:
       bind = PIPE_BIND_INDEX_BUFFER;
       break;
+   case GL_TEXTURE_BUFFER:
+      bind = PIPE_BIND_SAMPLER_VIEW;
+      break;
    case GL_TRANSFORM_FEEDBACK_BUFFER:
       bind = PIPE_BIND_STREAM_OUTPUT;
       break;
+   case GL_UNIFORM_BUFFER:
+      bind = PIPE_BIND_CONSTANT_BUFFER;
+      break;
    default:
       bind = 0;
    }
diff --git a/mesalib/src/mesa/state_tracker/st_cb_texture.c b/mesalib/src/mesa/state_tracker/st_cb_texture.c
index f06814f9c..ae069eb2c 100644
--- a/mesalib/src/mesa/state_tracker/st_cb_texture.c
+++ b/mesalib/src/mesa/state_tracker/st_cb_texture.c
@@ -48,6 +48,7 @@
 #include "state_tracker/st_cb_fbo.h"
 #include "state_tracker/st_cb_flush.h"
 #include "state_tracker/st_cb_texture.h"
+#include "state_tracker/st_cb_bufferobjects.h"
 #include "state_tracker/st_format.h"
 #include "state_tracker/st_texture.h"
 #include "state_tracker/st_gen_mipmap.h"
@@ -59,6 +60,7 @@
 #include "pipe/p_shader_tokens.h"
 #include "util/u_tile.h"
 #include "util/u_blit.h"
+#include "util/u_blitter.h"
 #include "util/u_format.h"
 #include "util/u_surface.h"
 #include "util/u_sampler.h"
@@ -922,12 +924,12 @@ st_CopyTexSubImage(struct gl_context *ctx, GLuint dims,
    struct pipe_context *pipe = st->pipe;
    struct pipe_screen *screen = pipe->screen;
    enum pipe_format dest_format, src_format;
-   GLboolean matching_base_formats;
-   GLuint color_writemask, zs_writemask, sample_count;
+   GLuint color_writemask;
    struct pipe_surface *dest_surface = NULL;
    GLboolean do_flip = (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP);
    struct pipe_surface surf_tmpl;
-   unsigned int dst_usage;
+   unsigned dst_usage;
+   unsigned blit_mask;
    GLint srcY0, srcY1;
 
    /* make sure finalize_textures has been called? 
@@ -939,12 +941,6 @@ st_CopyTexSubImage(struct gl_context *ctx, GLuint dims,
       return;
    }
 
-   sample_count = strb->surface->texture->nr_samples;
-   /* I believe this would be legal, presumably would need to do a resolve
-      for color, and for depth/stencil spec says to just use one of the
-      depth/stencil samples per pixel? Need some transfer clarifications. */
-   assert(sample_count < 2);
-
    assert(strb);
    assert(strb->surface);
    assert(stImage->pt);
@@ -952,22 +948,24 @@ st_CopyTexSubImage(struct gl_context *ctx, GLuint dims,
    src_format = strb->surface->format;
    dest_format = stImage->pt->format;
 
-   /*
-    * Determine if the src framebuffer and dest texture have the same
-    * base format.  We need this to detect a case such as the framebuffer
-    * being GL_RGBA but the texture being GL_RGB.  If the actual hardware
-    * texture format stores RGBA we need to set A=1 (overriding the
-    * framebuffer's alpha values).  We can't do that with the blit or
-    * textured-quad paths.
-    */
-   matching_base_formats =
-      (_mesa_get_format_base_format(strb->Base.Format) ==
-       _mesa_get_format_base_format(texImage->TexFormat));
+   if (do_flip) {
+      srcY1 = strb->Base.Height - srcY - height;
+      srcY0 = srcY1 + height;
+   }
+   else {
+      srcY0 = srcY;
+      srcY1 = srcY0 + height;
+   }
 
    if (ctx->_ImageTransferState) {
       goto fallback;
    }
 
+   /* Compressed and subsampled textures aren't supported for blitting. */
+   if (!util_format_is_plain(dest_format)) {
+      goto fallback;
+   }
+
    if (texImage->TexObject->Target == GL_TEXTURE_1D_ARRAY) {
       /* 1D arrays might be thought of as 2D images but the actual layout
        * might not be that way.  At some points, we convert OpenGL's 1D
@@ -978,53 +976,112 @@ st_CopyTexSubImage(struct gl_context *ctx, GLuint dims,
       goto fallback;
    }
 
-   if (matching_base_formats &&
-       src_format == dest_format &&
-       !do_flip) {
-      /* use surface_copy() / blit */
-      struct pipe_box src_box;
-      unsigned dstLevel;
+   /* Set the blit writemask. */
+   switch (texBaseFormat) {
+   case GL_DEPTH_STENCIL:
+      switch (strb->Base._BaseFormat) {
+      case GL_DEPTH_STENCIL:
+         blit_mask = PIPE_MASK_ZS;
+         break;
+      case GL_DEPTH_COMPONENT:
+         blit_mask = PIPE_MASK_Z;
+         break;
+      case GL_STENCIL_INDEX:
+         blit_mask = PIPE_MASK_S;
+         break;
+      default:
+         assert(0);
+         return;
+      }
+      dst_usage = PIPE_BIND_DEPTH_STENCIL;
+      break;
+
+   case GL_DEPTH_COMPONENT:
+      blit_mask = PIPE_MASK_Z;
+      dst_usage = PIPE_BIND_DEPTH_STENCIL;
+      break;
 
-      u_box_2d_zslice(srcX, srcY, strb->surface->u.tex.first_layer,
-                      width, height, &src_box);
+   default:
+      /* Colorbuffers.
+       *
+       * Determine if the src framebuffer and dest texture have the same
+       * base format.  We need this to detect a case such as the framebuffer
+       * being GL_RGBA but the texture being GL_RGB.  If the actual hardware
+       * texture format stores RGBA we need to set A=1 (overriding the
+       * framebuffer's alpha values).
+       *
+       * XXX util_blit_pixels doesn't support MSAA resolve, so always use
+       *     pipe->blit
+       */
+      if (texBaseFormat == strb->Base._BaseFormat ||
+          strb->texture->nr_samples > 1) {
+         blit_mask = PIPE_MASK_RGBA;
+      }
+      else {
+         blit_mask = 0;
+      }
+      dst_usage = PIPE_BIND_RENDER_TARGET;
+   }
 
+   /* Blit the texture.
+    * This supports flipping, format conversions, and downsampling.
+    */
+   if (blit_mask) {
       /* If stImage->pt is an independent image (not a pointer into a full
        * mipmap) stImage->pt.last_level will be zero and we need to use that
        * as the dest level.
        */
-      dstLevel = MIN2(stImage->base.Level, stImage->pt->last_level);
-
-      /* for resource_copy_region(), y=0=top, always */
-      pipe->resource_copy_region(pipe,
-                                 /* dest */
-                                 stImage->pt,
-                                 dstLevel,
-                                 destX, destY, destZ + stImage->base.Face,
-                                 /* src */
-                                 strb->texture,
-                                 strb->surface->u.tex.level,
-                                 &src_box);
-      return;
-   }
+      unsigned dstLevel = MIN2(stImage->base.Level, stImage->pt->last_level);
+      struct pipe_blit_info blit;
+
+      memset(&blit, 0, sizeof(blit));
+      blit.src.resource = strb->texture;
+      blit.src.format = src_format;
+      blit.src.level = strb->surface->u.tex.level;
+      blit.src.box.x = srcX;
+      blit.src.box.y = srcY0;
+      blit.src.box.z = strb->surface->u.tex.first_layer;
+      blit.src.box.width = width;
+      blit.src.box.height = srcY1 - srcY0;
+      blit.src.box.depth = 1;
+      blit.dst.resource = stImage->pt;
+      blit.dst.format = dest_format;
+      blit.dst.level = dstLevel;
+      blit.dst.box.x = destX;
+      blit.dst.box.y = destY;
+      blit.dst.box.z = stImage->base.Face + destZ;
+      blit.dst.box.width = width;
+      blit.dst.box.height = height;
+      blit.dst.box.depth = 1;
+      blit.mask = blit_mask;
+      blit.filter = PIPE_TEX_FILTER_NEAREST;
+
+      /* try resource_copy_region in case the format is not supported
+       * for rendering */
+      if (util_try_blit_via_copy_region(pipe, &blit)) {
+         return; /* done */
+      }
 
-   if (texBaseFormat == GL_DEPTH_STENCIL) {
-      goto fallback;
-   }
+      /* check the format support */
+      if (!screen->is_format_supported(screen, src_format,
+                                       PIPE_TEXTURE_2D, 0,
+                                       PIPE_BIND_SAMPLER_VIEW) ||
+          !screen->is_format_supported(screen, dest_format,
+                                       PIPE_TEXTURE_2D, 0,
+                                       dst_usage)) {
+         goto fallback;
+      }
 
-   if (texBaseFormat == GL_DEPTH_COMPONENT) {
-      color_writemask = 0;
-      zs_writemask = BLIT_WRITEMASK_Z;
-      dst_usage = PIPE_BIND_DEPTH_STENCIL;
-   }
-   else {
-      color_writemask = compatible_src_dst_formats(ctx, &strb->Base, texImage);
-      zs_writemask = 0;
-      dst_usage = PIPE_BIND_RENDER_TARGET;
+      pipe->blit(pipe, &blit);
+      return;
    }
 
-   if ((!color_writemask && !zs_writemask) ||
+   /* try u_blit */
+   color_writemask = compatible_src_dst_formats(ctx, &strb->Base, texImage);
+
+   if (!color_writemask ||
        !screen->is_format_supported(screen, src_format,
-                                    PIPE_TEXTURE_2D, sample_count,
+                                    PIPE_TEXTURE_2D, 0,
                                     PIPE_BIND_SAMPLER_VIEW) ||
        !screen->is_format_supported(screen, dest_format,
                                     PIPE_TEXTURE_2D, 0,
@@ -1032,15 +1089,6 @@ st_CopyTexSubImage(struct gl_context *ctx, GLuint dims,
       goto fallback;
    }
 
-   if (do_flip) {
-      srcY1 = strb->Base.Height - srcY - height;
-      srcY0 = srcY1 + height;
-   }
-   else {
-      srcY0 = srcY;
-      srcY1 = srcY0 + height;
-   }
-
    /* Disable conditional rendering. */
    if (st->render_condition) {
       pipe->render_condition(pipe, NULL, 0);
@@ -1065,7 +1113,7 @@ st_CopyTexSubImage(struct gl_context *ctx, GLuint dims,
                     destX, destY,
                     destX + width, destY + height,
                     0.0, PIPE_TEX_MIPFILTER_NEAREST,
-                    color_writemask, zs_writemask);
+                    color_writemask, 0);
    pipe_surface_reference(&dest_surface, NULL);
 
    /* Restore conditional rendering state. */
@@ -1182,6 +1230,20 @@ st_finalize_texture(struct gl_context *ctx,
          stObj->lastLevel = stObj->base._MaxLevel;
    }
 
+   if (tObj->Target == GL_TEXTURE_BUFFER) {
+      struct st_buffer_object *st_obj = st_buffer_object(tObj->BufferObject);
+
+      if (st_obj->buffer != stObj->pt) {
+         pipe_resource_reference(&stObj->pt, st_obj->buffer);
+         pipe_sampler_view_release(st->pipe, &stObj->sampler_view);
+         stObj->width0 = stObj->pt->width0 / _mesa_get_format_bytes(tObj->_BufferObjectFormat);
+         stObj->height0 = 1;
+         stObj->depth0 = 1;
+      }
+      return GL_TRUE;
+
+   }
+
    firstImage = st_texture_image(stObj->base.Image[0][stObj->base.BaseLevel]);
    assert(firstImage);
 
diff --git a/mesalib/src/mesa/state_tracker/st_extensions.c b/mesalib/src/mesa/state_tracker/st_extensions.c
index 62a736bb6..93ef7a91c 100644
--- a/mesalib/src/mesa/state_tracker/st_extensions.c
+++ b/mesalib/src/mesa/state_tracker/st_extensions.c
@@ -70,6 +70,8 @@ void st_init_limits(struct st_context *st)
    struct pipe_screen *screen = st->pipe->screen;
    struct gl_constants *c = &st->ctx->Const;
    gl_shader_type sh;
+   boolean can_ubo = TRUE;
+   int max_const_buffers;
 
    c->MaxTextureLevels
       = _min(screen->get_param(screen, PIPE_CAP_MAX_TEXTURE_2D_LEVELS),
@@ -218,6 +220,17 @@ void st_init_limits(struct st_context *st)
       options->EmitNoIndirectUniform = !screen->get_shader_param(screen, sh,
                                         PIPE_SHADER_CAP_INDIRECT_CONST_ADDR);
 
+      if (pc->MaxNativeInstructions) {
+         if (options->EmitNoIndirectUniform)
+         can_ubo = FALSE;
+
+         max_const_buffers = screen->get_shader_param(screen, sh,
+                                                      PIPE_SHADER_CAP_MAX_CONST_BUFFERS);
+         /* we need 13 buffers - 1 constant, 12 UBO */
+         if (max_const_buffers < 13)
+            can_ubo = FALSE;
+      }
+
       if (options->EmitNoLoops)
          options->MaxUnrollIterations = MIN2(screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_MAX_INSTRUCTIONS), 65536);
       else
@@ -251,6 +264,9 @@ void st_init_limits(struct st_context *st)
 
    c->GLSLSkipStrictMaxVaryingLimitCheck =
       screen->get_param(screen, PIPE_CAP_TGSI_CAN_COMPACT_VARYINGS);
+
+   if (can_ubo)
+      st->ctx->Extensions.ARB_uniform_buffer_object = GL_TRUE;
 }
 
 
@@ -553,7 +569,12 @@ void st_init_extensions(struct st_context *st)
    /* Figure out GLSL support. */
    glsl_feature_level = screen->get_param(screen, PIPE_CAP_GLSL_FEATURE_LEVEL);
 
-   if (glsl_feature_level >= 130) {
+   if (glsl_feature_level >= 140) {
+      if (ctx->API == API_OPENGL_CORE)
+         ctx->Const.GLSLVersion = 140;
+      else
+         ctx->Const.GLSLVersion = 130;
+   } else if (glsl_feature_level >= 130) {
       ctx->Const.GLSLVersion = 130;
    } else {
       ctx->Const.GLSLVersion = 120;
@@ -643,4 +664,6 @@ void st_init_extensions(struct st_context *st)
    if (ctx->Const.MinMapBufferAlignment >= 64) {
       ctx->Extensions.ARB_map_buffer_alignment = GL_TRUE;
    }
+   if (screen->get_param(screen, PIPE_CAP_TEXTURE_BUFFER_OBJECTS))
+      ctx->Extensions.ARB_texture_buffer_object = GL_TRUE;
 }
diff --git a/mesalib/src/mesa/state_tracker/st_glsl_to_tgsi.cpp b/mesalib/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
index c030a6b37..a4df4e5fa 100644
--- a/mesalib/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
+++ b/mesalib/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
@@ -107,6 +107,7 @@ public:
       else
          this->swizzle = SWIZZLE_XYZW;
       this->negate = 0;
+      this->index2D = 0;
       this->type = type ? type->base_type : GLSL_TYPE_ERROR;
       this->reladdr = NULL;
    }
@@ -116,6 +117,18 @@ public:
       this->type = type;
       this->file = file;
       this->index = index;
+      this->index2D = 0;
+      this->swizzle = SWIZZLE_XYZW;
+      this->negate = 0;
+      this->reladdr = NULL;
+   }
+
+   st_src_reg(gl_register_file file, int index, int type, int index2D)
+   {
+      this->type = type;
+      this->file = file;
+      this->index = index;
+      this->index2D = index2D;
       this->swizzle = SWIZZLE_XYZW;
       this->negate = 0;
       this->reladdr = NULL;
@@ -126,6 +139,7 @@ public:
       this->type = GLSL_TYPE_ERROR;
       this->file = PROGRAM_UNDEFINED;
       this->index = 0;
+      this->index2D = 0;
       this->swizzle = 0;
       this->negate = 0;
       this->reladdr = NULL;
@@ -135,6 +149,7 @@ public:
 
    gl_register_file file; /**< PROGRAM_* from Mesa */
    int index; /**< temporary index, VERT_ATTRIB_*, FRAG_ATTRIB_*, etc. */
+   int index2D;
    GLuint swizzle; /**< SWIZZLE_XYZWONEZERO swizzles from Mesa. */
    int negate; /**< NEGATE_XYZW mask from mesa */
    int type; /** GLSL_TYPE_* from GLSL IR (enum glsl_base_type) */
@@ -183,6 +198,7 @@ st_src_reg::st_src_reg(st_dst_reg reg)
    this->swizzle = SWIZZLE_XYZW;
    this->negate = 0;
    this->reladdr = reg.reladdr;
+   this->index2D = 0;
 }
 
 st_dst_reg::st_dst_reg(st_src_reg reg)
@@ -1873,10 +1889,46 @@ glsl_to_tgsi_visitor::visit(ir_expression *ir)
       assert(!"GLSL 1.30 features unsupported");
       break;
 
-   case ir_binop_ubo_load:
-      assert(!"not yet supported");
-      break;
+   case ir_binop_ubo_load: {
+      ir_constant *uniform_block = ir->operands[0]->as_constant();
+      ir_constant *const_offset_ir = ir->operands[1]->as_constant();
+      unsigned const_offset = const_offset_ir ? const_offset_ir->value.u[0] : 0;
+      st_src_reg index_reg = get_temp(glsl_type::uint_type);
+      st_src_reg cbuf;
+
+      cbuf.type = glsl_type::vec4_type->base_type;
+      cbuf.file = PROGRAM_CONSTANT;
+      cbuf.index = 0;
+      cbuf.index2D = uniform_block->value.u[0] + 1;
+      cbuf.reladdr = NULL;
+      cbuf.negate = 0;
+      
+      assert(ir->type->is_vector() || ir->type->is_scalar());
+
+      if (const_offset_ir) {
+         index_reg = st_src_reg_for_int(const_offset / 16);
+      } else {
+         emit(ir, TGSI_OPCODE_USHR, st_dst_reg(index_reg), op[1], st_src_reg_for_int(4));
+      }
 
+      cbuf.swizzle = swizzle_for_size(ir->type->vector_elements);
+      cbuf.swizzle += MAKE_SWIZZLE4(const_offset % 16 / 4,
+                                    const_offset % 16 / 4,
+                                    const_offset % 16 / 4,
+                                    const_offset % 16 / 4);
+
+      cbuf.reladdr = ralloc(mem_ctx, st_src_reg);
+      memcpy(cbuf.reladdr, &index_reg, sizeof(index_reg));
+
+      if (ir->type->base_type == GLSL_TYPE_BOOL) {
+         emit(ir, TGSI_OPCODE_USNE, result_dst, cbuf, st_src_reg_for_int(0));
+         result_src.negate = 1;
+         emit(ir, TGSI_OPCODE_UCMP, result_dst, result_src, st_src_reg_for_int(~0), st_src_reg_for_int(0));
+      } else {
+         emit(ir, TGSI_OPCODE_MOV, result_dst, cbuf);
+      }
+      break;
+   }
    case ir_quadop_vector:
       /* This operation should have already been handled.
        */
@@ -2776,7 +2828,7 @@ glsl_to_tgsi_visitor::visit(ir_texture *ir)
       inst->tex_target = TEXTURE_RECT_INDEX;
       break;
    case GLSL_SAMPLER_DIM_BUF:
-      assert(!"FINISHME: Implement ARB_texture_buffer_object");
+      inst->tex_target = TEXTURE_BUFFER_INDEX;
       break;
    case GLSL_SAMPLER_DIM_EXTERNAL:
       inst->tex_target = TEXTURE_EXTERNAL_INDEX;
@@ -4061,7 +4113,7 @@ dst_register(struct st_translate *t,
 static struct ureg_src
 src_register(struct st_translate *t,
              gl_register_file file,
-             GLint index)
+             GLint index, GLint index2D)
 {
    switch(file) {
    case PROGRAM_UNDEFINED:
@@ -4081,7 +4133,13 @@ src_register(struct st_translate *t,
       return t->constants[index];
    case PROGRAM_STATE_VAR:
    case PROGRAM_CONSTANT:       /* ie, immediate */
-      if (index < 0)
+      if (index2D) {
+         struct ureg_src src;
+         src = ureg_src_register(TGSI_FILE_CONSTANT, 0);
+         src.Dimension = 1;
+         src.DimensionIndex = index2D;
+         return src;
+      } else if (index < 0)
          return ureg_DECL_constant(t->ureg, 0);
       else
          return t->constants[index];
@@ -4160,7 +4218,7 @@ translate_dst(struct st_translate *t,
 static struct ureg_src
 translate_src(struct st_translate *t, const st_src_reg *src_reg)
 {
-   struct ureg_src src = src_register(t, src_reg->file, src_reg->index);
+   struct ureg_src src = src_register(t, src_reg->file, src_reg->index, src_reg->index2D);
 
    src = ureg_swizzle(src,
                       GET_SWZ(src_reg->swizzle, 0) & 0x3,
@@ -4202,14 +4260,17 @@ translate_tex_offset(struct st_translate *t,
                      const struct tgsi_texture_offset *in_offset)
 {
    struct tgsi_texture_offset offset;
+   struct ureg_src imm_src;
 
    assert(in_offset->File == PROGRAM_IMMEDIATE);
+   imm_src = t->immediates[in_offset->Index];
 
+   offset.File = imm_src.File;
+   offset.Index = imm_src.Index;
+   offset.SwizzleX = imm_src.SwizzleX;
+   offset.SwizzleY = imm_src.SwizzleY;
+   offset.SwizzleZ = imm_src.SwizzleZ;
    offset.File = TGSI_FILE_IMMEDIATE;
-   offset.Index = in_offset->Index;
-   offset.SwizzleX = in_offset->SwizzleX;
-   offset.SwizzleY = in_offset->SwizzleY;
-   offset.SwizzleZ = in_offset->SwizzleZ;
    offset.Padding = 0;
 
    return offset;
@@ -4754,6 +4815,14 @@ st_translate_program(
          }
       }
    }
+
+   if (program->shader_program) {
+      unsigned num_ubos = program->shader_program->NumUniformBlocks;
+
+      for (i = 0; i < num_ubos; i++) {
+         ureg_DECL_constant2D(t->ureg, 0, program->shader_program->UniformBlocks[i].UniformBufferSize / 4, i + 1);
+      }
+   }
    
    /* Emit immediate values.
     */
@@ -5060,6 +5129,8 @@ st_link_shader(struct gl_context *ctx, struct gl_shader_program *prog)
          do_mat_op_to_vec(ir);
          lower_instructions(ir, what_to_lower);
 
+         lower_ubo_reference(prog->_LinkedShaders[i], ir);
+
          progress = do_lower_jumps(ir, true, true, options->EmitNoMainReturn, options->EmitNoCont, options->EmitNoLoops) || progress;
 
          progress = do_common_optimization(ir, true, true,
@@ -5090,6 +5161,7 @@ st_link_shader(struct gl_context *ctx, struct gl_shader_program *prog)
              || progress;
 
          progress = do_vec_index_to_cond_assign(ir) || progress;
+
       } while (progress);
 
       validate_ir_tree(ir);
diff --git a/mesalib/src/mesa/state_tracker/st_manager.c b/mesalib/src/mesa/state_tracker/st_manager.c
index 0b9add95e..b065db0ac 100644
--- a/mesalib/src/mesa/state_tracker/st_manager.c
+++ b/mesalib/src/mesa/state_tracker/st_manager.c
@@ -398,7 +398,7 @@ st_visual_to_context_mode(const struct st_visual *visual,
                UTIL_FORMAT_COLORSPACE_RGB, 3);
    }
 
-   if (visual->samples) {
+   if (visual->samples > 1) {
       mode->sampleBuffers = 1;
       mode->samples = visual->samples;
    }
@@ -789,7 +789,7 @@ st_manager_flush_frontbuffer(struct st_context *st)
 
    /* never a dummy fb */
    assert(&stfb->Base != _mesa_get_incomplete_framebuffer());
-   stfb->iface->flush_front(stfb->iface, ST_ATTACHMENT_FRONT_LEFT);
+   stfb->iface->flush_front(&st->iface, stfb->iface, ST_ATTACHMENT_FRONT_LEFT);
 }
 
 /**
@@ -899,7 +899,7 @@ static const struct st_api st_gl_api = {
    ST_PROFILE_OPENGL_ES2_MASK |
 #endif
    0,
-   0,
+   ST_API_FEATURE_MS_VISUALS_MASK,
    st_api_destroy,
    st_api_get_proc_address,
    st_api_create_context,
diff --git a/mesalib/src/mesa/state_tracker/st_mesa_to_tgsi.c b/mesalib/src/mesa/state_tracker/st_mesa_to_tgsi.c
index 81a870f86..e326bcc70 100644
--- a/mesalib/src/mesa/state_tracker/st_mesa_to_tgsi.c
+++ b/mesalib/src/mesa/state_tracker/st_mesa_to_tgsi.c
@@ -269,6 +269,7 @@ st_translate_texture_target( GLuint textarget,
    }
 
    switch( textarget ) {
+   case TEXTURE_BUFFER_INDEX: return TGSI_TEXTURE_BUFFER;
    case TEXTURE_1D_INDEX:   return TGSI_TEXTURE_1D;
    case TEXTURE_2D_INDEX:   return TGSI_TEXTURE_2D;
    case TEXTURE_3D_INDEX:   return TGSI_TEXTURE_3D;
diff --git a/mesalib/src/mesa/swrast/s_texfetch.c b/mesalib/src/mesa/swrast/s_texfetch.c
index 7bfe3b941..86b01a0b3 100644
--- a/mesalib/src/mesa/swrast/s_texfetch.c
+++ b/mesalib/src/mesa/swrast/s_texfetch.c
@@ -1029,6 +1029,66 @@ texfetch_funcs[] =
       NULL
    },
    {
+      MESA_FORMAT_ETC2_RGB8,
+      NULL,
+      _mesa_fetch_texel_2d_f_etc2_rgb8,
+      NULL
+   },
+   {
+      MESA_FORMAT_ETC2_SRGB8,
+      NULL,
+      _mesa_fetch_texel_2d_f_etc2_srgb8,
+      NULL
+   },
+   {
+      MESA_FORMAT_ETC2_RGBA8_EAC,
+      NULL,
+      _mesa_fetch_texel_2d_f_etc2_rgba8_eac,
+      NULL
+   },
+   {
+      MESA_FORMAT_ETC2_SRGB8_ALPHA8_EAC,
+      NULL,
+      _mesa_fetch_texel_2d_f_etc2_srgb8_alpha8_eac,
+      NULL
+   },
+   {
+      MESA_FORMAT_ETC2_R11_EAC,
+      NULL,
+      _mesa_fetch_texel_2d_f_etc2_r11_eac,
+      NULL
+   },
+   {
+      MESA_FORMAT_ETC2_RG11_EAC,
+      NULL,
+      _mesa_fetch_texel_2d_f_etc2_rg11_eac,
+      NULL
+   },
+   {
+      MESA_FORMAT_ETC2_SIGNED_R11_EAC,
+      NULL,
+      _mesa_fetch_texel_2d_f_etc2_signed_r11_eac,
+      NULL
+   },
+   {
+      MESA_FORMAT_ETC2_SIGNED_RG11_EAC,
+      NULL,
+      _mesa_fetch_texel_2d_f_etc2_signed_rg11_eac,
+      NULL
+   },
+   {
+      MESA_FORMAT_ETC2_RGB8_PUNCHTHROUGH_ALPHA1,
+      NULL,
+      _mesa_fetch_texel_2d_f_etc2_rgb8_punchthrough_alpha1,
+      NULL
+   },
+   {
+      MESA_FORMAT_ETC2_SRGB8_PUNCHTHROUGH_ALPHA1,
+      NULL,
+      _mesa_fetch_texel_2d_f_etc2_srgb8_punchthrough_alpha1,
+      NULL
+   },
+   {
       MESA_FORMAT_SIGNED_A8,
       fetch_texel_1d_signed_a8,
       fetch_texel_2d_signed_a8,