Merge remote-tracking branch 'origin/released'

Conflicts:
	mesalib/include/GL/glext.h
	xorg-server/.gitignore
	xorg-server/glx/glxext.c

21 files changed, 389 insertions, 273 deletions

diff --git a/mesalib/src/mesa/drivers/common/meta.c b/mesalib/src/mesa/drivers/common/meta.c
index acf927b09..ac27abba6 100644
--- a/mesalib/src/mesa/drivers/common/meta.c
+++ b/mesalib/src/mesa/drivers/common/meta.c
@@ -37,6 +37,7 @@
 #include "main/arbprogram.h"
 #include "main/arrayobj.h"
 #include "main/blend.h"
+#include "main/blit.h"
 #include "main/bufferobj.h"
 #include "main/buffers.h"
 #include "main/colortab.h"
@@ -93,6 +94,45 @@ static void meta_glsl_clear_cleanup(struct clear_state *clear);
 static void meta_decompress_cleanup(struct decompress_state *decompress);
 static void meta_drawpix_cleanup(struct drawpix_state *drawpix);
 
+void
+_mesa_meta_bind_fbo_image(GLenum attachment,
+                          struct gl_texture_image *texImage, GLuint layer)
+{
+   struct gl_texture_object *texObj = texImage->TexObject;
+   int level = texImage->Level;
+   GLenum target = texObj->Target;
+
+   switch (target) {
+   case GL_TEXTURE_1D:
+      _mesa_FramebufferTexture1D(GL_FRAMEBUFFER,
+                                 attachment,
+                                 target,
+                                 texObj->Name,
+                                 level);
+      break;
+   case GL_TEXTURE_1D_ARRAY:
+   case GL_TEXTURE_2D_ARRAY:
+   case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
+   case GL_TEXTURE_CUBE_MAP_ARRAY:
+   case GL_TEXTURE_3D:
+      _mesa_FramebufferTextureLayer(GL_FRAMEBUFFER,
+                                    attachment,
+                                    texObj->Name,
+                                    level,
+                                    layer);
+      break;
+   default: /* 2D / cube */
+      if (target == GL_TEXTURE_CUBE_MAP)
+         target = GL_TEXTURE_CUBE_MAP_POSITIVE_X + texImage->Face;
+
+      _mesa_FramebufferTexture2D(GL_FRAMEBUFFER,
+                                 attachment,
+                                 target,
+                                 texObj->Name,
+                                 level);
+   }
+}
+
 GLuint
 _mesa_meta_compile_shader_with_debug(struct gl_context *ctx, GLenum target,
                                      const GLcharARB *source)
@@ -2421,6 +2461,9 @@ _mesa_meta_setup_texture_coords(GLenum faceTarget,
    GLuint i;
    GLfloat r;
 
+   if (faceTarget == GL_TEXTURE_CUBE_MAP_ARRAY)
+      faceTarget = GL_TEXTURE_CUBE_MAP_POSITIVE_X + slice % 6;
+
    /* Currently all texture targets want the W component to be 1.0.
     */
    coords0[3] = 1.0F;
@@ -2689,6 +2732,84 @@ get_temp_image_type(struct gl_context *ctx, mesa_format format)
 }
 
 /**
+ * Attempts to wrap the destination texture in an FBO and use
+ * glBlitFramebuffer() to implement glCopyTexSubImage().
+ */
+static bool
+copytexsubimage_using_blit_framebuffer(struct gl_context *ctx, GLuint dims,
+                                       struct gl_texture_image *texImage,
+                                       GLint xoffset,
+                                       GLint yoffset,
+                                       GLint zoffset,
+                                       struct gl_renderbuffer *rb,
+                                       GLint x, GLint y,
+                                       GLsizei width, GLsizei height)
+{
+   struct gl_texture_object *texObj = texImage->TexObject;
+   GLuint fbo;
+   bool success = false;
+   GLbitfield mask;
+   GLenum status;
+
+   if (!ctx->Extensions.ARB_framebuffer_object)
+      return false;
+
+   _mesa_unlock_texture(ctx, texObj);
+
+   _mesa_meta_begin(ctx, MESA_META_ALL);
+
+   _mesa_GenFramebuffers(1, &fbo);
+   _mesa_BindFramebuffer(GL_DRAW_FRAMEBUFFER, fbo);
+
+   if (rb->_BaseFormat == GL_DEPTH_STENCIL ||
+       rb->_BaseFormat == GL_DEPTH_COMPONENT) {
+      _mesa_meta_bind_fbo_image(GL_DEPTH_ATTACHMENT, texImage, zoffset);
+      mask = GL_DEPTH_BUFFER_BIT;
+
+      if (rb->_BaseFormat == GL_DEPTH_STENCIL &&
+          texImage->_BaseFormat == GL_DEPTH_STENCIL) {
+         _mesa_meta_bind_fbo_image(GL_STENCIL_ATTACHMENT, texImage, zoffset);
+         mask |= GL_STENCIL_BUFFER_BIT;
+      }
+      _mesa_DrawBuffer(GL_NONE);
+   } else {
+      _mesa_meta_bind_fbo_image(GL_COLOR_ATTACHMENT0, texImage, zoffset);
+      mask = GL_COLOR_BUFFER_BIT;
+      _mesa_DrawBuffer(GL_COLOR_ATTACHMENT0);
+   }
+
+   status = _mesa_CheckFramebufferStatus(GL_DRAW_FRAMEBUFFER);
+   if (status != GL_FRAMEBUFFER_COMPLETE)
+      goto out;
+
+   ctx->Meta->Blit.no_ctsi_fallback = true;
+
+   /* Since we've bound a new draw framebuffer, we need to update
+    * its derived state -- _Xmin, etc -- for BlitFramebuffer's clipping to
+    * be correct.
+    */
+   _mesa_update_state(ctx);
+
+   /* We skip the core BlitFramebuffer checks for format consistency, which
+    * are too strict for CopyTexImage.  We know meta will be fine with format
+    * changes.
+    */
+   _mesa_meta_BlitFramebuffer(ctx, x, y,
+                              x + width, y + height,
+                              xoffset, yoffset,
+                              xoffset + width, yoffset + height,
+                              mask, GL_NEAREST);
+   ctx->Meta->Blit.no_ctsi_fallback = false;
+   success = true;
+
+ out:
+   _mesa_lock_texture(ctx, texObj);
+   _mesa_DeleteFramebuffers(1, &fbo);
+   _mesa_meta_end(ctx);
+   return success;
+}
+
+/**
  * Helper for _mesa_meta_CopyTexSubImage1/2/3D() functions.
  * Have to be careful with locking and meta state for pixel transfer.
  */
@@ -2705,11 +2826,14 @@ _mesa_meta_CopyTexSubImage(struct gl_context *ctx, GLuint dims,
    GLint bpp;
    void *buf;
 
-   /* The gl_renderbuffer is part of the interface for
-    * dd_function_table::CopyTexSubImage, but this implementation does not use
-    * it.
-    */
-   (void) rb;
+   if (copytexsubimage_using_blit_framebuffer(ctx, dims,
+                                              texImage,
+                                              xoffset, yoffset, zoffset,
+                                              rb,
+                                              x, y,
+                                              width, height)) {
+      return;
+   }
 
    /* Choose format/type for temporary image buffer */
    format = _mesa_get_format_base_format(texImage->TexFormat);
diff --git a/mesalib/src/mesa/drivers/common/meta.h b/mesalib/src/mesa/drivers/common/meta.h
index 4faae0b40..fde4f9a7a 100644
--- a/mesalib/src/mesa/drivers/common/meta.h
+++ b/mesalib/src/mesa/drivers/common/meta.h
@@ -240,6 +240,14 @@ enum blit_msaa_shader {
    BLIT_MSAA_SHADER_2D_MULTISAMPLE_COPY_UINT,
    BLIT_MSAA_SHADER_2D_MULTISAMPLE_DEPTH_RESOLVE,
    BLIT_MSAA_SHADER_2D_MULTISAMPLE_DEPTH_COPY,
+   BLIT_MSAA_SHADER_2D_MULTISAMPLE_ARRAY_RESOLVE,
+   BLIT_MSAA_SHADER_2D_MULTISAMPLE_ARRAY_RESOLVE_INT,
+   BLIT_MSAA_SHADER_2D_MULTISAMPLE_ARRAY_RESOLVE_UINT,
+   BLIT_MSAA_SHADER_2D_MULTISAMPLE_ARRAY_COPY,
+   BLIT_MSAA_SHADER_2D_MULTISAMPLE_ARRAY_COPY_INT,
+   BLIT_MSAA_SHADER_2D_MULTISAMPLE_ARRAY_COPY_UINT,
+   BLIT_MSAA_SHADER_2D_MULTISAMPLE_ARRAY_DEPTH_RESOLVE,
+   BLIT_MSAA_SHADER_2D_MULTISAMPLE_ARRAY_DEPTH_COPY,
    BLIT_MSAA_SHADER_COUNT,
 };
 
@@ -250,10 +258,10 @@ struct blit_state
 {
    GLuint VAO;
    GLuint VBO;
-   GLuint DepthFP;
    struct blit_shader_table shaders;
    GLuint msaa_shaders[BLIT_MSAA_SHADER_COUNT];
    struct temp_texture depthTex;
+   bool no_ctsi_fallback;
 };
 
 
@@ -505,4 +513,8 @@ _mesa_meta_blit_shader_table_cleanup(struct blit_shader_table *table);
 void
 _mesa_meta_glsl_generate_mipmap_cleanup(struct gen_mipmap_state *mipmap);
 
+void
+_mesa_meta_bind_fbo_image(GLenum attachment,
+                          struct gl_texture_image *texImage, GLuint layer);
+
 #endif /* META_H */
diff --git a/mesalib/src/mesa/drivers/common/meta_blit.c b/mesalib/src/mesa/drivers/common/meta_blit.c
index 31e494fb8..5d72dd2ec 100644
--- a/mesalib/src/mesa/drivers/common/meta_blit.c
+++ b/mesalib/src/mesa/drivers/common/meta_blit.c
@@ -33,11 +33,13 @@
 #include "main/enable.h"
 #include "main/enums.h"
 #include "main/fbobject.h"
+#include "main/image.h"
 #include "main/macros.h"
 #include "main/matrix.h"
 #include "main/multisample.h"
 #include "main/objectlabel.h"
 #include "main/readpix.h"
+#include "main/scissor.h"
 #include "main/shaderapi.h"
 #include "main/texobj.h"
 #include "main/texenv.h"
@@ -52,37 +54,6 @@
 /** Return offset in bytes of the field within a vertex struct */
 #define OFFSET(FIELD) ((void *) offsetof(struct vertex, FIELD))
 
-/**
- * One-time init for drawing depth pixels.
- */
-static void
-init_blit_depth_pixels(struct gl_context *ctx)
-{
-   static const char *program =
-      "!!ARBfp1.0\n"
-      "TEX result.depth, fragment.texcoord[0], texture[0], %s; \n"
-      "END \n";
-   char program2[200];
-   struct blit_state *blit = &ctx->Meta->Blit;
-   struct temp_texture *tex = _mesa_meta_get_temp_texture(ctx);
-   const char *texTarget;
-
-   assert(blit->DepthFP == 0);
-
-   /* replace %s with "RECT" or "2D" */
-   assert(strlen(program) + 4 < sizeof(program2));
-   if (tex->Target == GL_TEXTURE_RECTANGLE)
-      texTarget = "RECT";
-   else
-      texTarget = "2D";
-   _mesa_snprintf(program2, sizeof(program2), program, texTarget);
-
-   _mesa_GenProgramsARB(1, &blit->DepthFP);
-   _mesa_BindProgramARB(GL_FRAGMENT_PROGRAM_ARB, blit->DepthFP);
-   _mesa_ProgramStringARB(GL_FRAGMENT_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB,
-                          strlen(program2), (const GLubyte *) program2);
-}
-
 static void
 setup_glsl_msaa_blit_shader(struct gl_context *ctx,
                             struct blit_state *blit,
@@ -97,7 +68,9 @@ setup_glsl_msaa_blit_shader(struct gl_context *ctx,
    bool dst_is_msaa = false;
    GLenum src_datatype;
    const char *vec4_prefix;
+   const char *sampler_array_suffix = "";
    char *name;
+   const char *texcoord_type = "vec2";
 
    if (src_rb) {
       src_datatype = _mesa_get_format_datatype(src_rb->Format);
@@ -125,6 +98,7 @@ setup_glsl_msaa_blit_shader(struct gl_context *ctx,
 
    switch (target) {
    case GL_TEXTURE_2D_MULTISAMPLE:
+   case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
       if (src_rb->_BaseFormat == GL_DEPTH_COMPONENT ||
           src_rb->_BaseFormat == GL_DEPTH_STENCIL) {
          if (dst_is_msaa)
@@ -137,6 +111,13 @@ setup_glsl_msaa_blit_shader(struct gl_context *ctx,
          else
             shader_index = BLIT_MSAA_SHADER_2D_MULTISAMPLE_RESOLVE;
       }
+
+      if (target == GL_TEXTURE_2D_MULTISAMPLE_ARRAY) {
+         shader_index += (BLIT_MSAA_SHADER_2D_MULTISAMPLE_ARRAY_RESOLVE -
+                          BLIT_MSAA_SHADER_2D_MULTISAMPLE_RESOLVE);
+         sampler_array_suffix = "Array";
+         texcoord_type = "vec3";
+      }
       break;
    default:
       _mesa_problem(ctx, "Unkown texture target %s\n",
@@ -167,6 +148,8 @@ setup_glsl_msaa_blit_shader(struct gl_context *ctx,
    mem_ctx = ralloc_context(NULL);
 
    if (shader_index == BLIT_MSAA_SHADER_2D_MULTISAMPLE_DEPTH_RESOLVE ||
+       shader_index == BLIT_MSAA_SHADER_2D_MULTISAMPLE_ARRAY_DEPTH_RESOLVE ||
+       shader_index == BLIT_MSAA_SHADER_2D_MULTISAMPLE_ARRAY_DEPTH_COPY ||
        shader_index == BLIT_MSAA_SHADER_2D_MULTISAMPLE_DEPTH_COPY) {
       char *sample_index;
       const char *arb_sample_shading_extension_string;
@@ -197,26 +180,31 @@ setup_glsl_msaa_blit_shader(struct gl_context *ctx,
       vs_source = ralloc_asprintf(mem_ctx,
                                   "#version 130\n"
                                   "in vec2 position;\n"
-                                  "in vec2 textureCoords;\n"
-                                  "out vec2 texCoords;\n"
+                                  "in %s textureCoords;\n"
+                                  "out %s texCoords;\n"
                                   "void main()\n"
                                   "{\n"
                                   "   texCoords = textureCoords;\n"
                                   "   gl_Position = vec4(position, 0.0, 1.0);\n"
-                                  "}\n");
+                                  "}\n",
+                                  texcoord_type,
+                                  texcoord_type);
       fs_source = ralloc_asprintf(mem_ctx,
                                   "#version 130\n"
                                   "#extension GL_ARB_texture_multisample : enable\n"
                                   "%s\n"
-                                  "uniform sampler2DMS texSampler;\n"
-                                  "in vec2 texCoords;\n"
+                                  "uniform sampler2DMS%s texSampler;\n"
+                                  "in %s texCoords;\n"
                                   "out vec4 out_color;\n"
                                   "\n"
                                   "void main()\n"
                                   "{\n"
-                                  "   gl_FragDepth = texelFetch(texSampler, ivec2(texCoords), %s).r;\n"
+                                  "   gl_FragDepth = texelFetch(texSampler, i%s(texCoords), %s).r;\n"
                                   "}\n",
                                   arb_sample_shading_extension_string,
+                                  sampler_array_suffix,
+                                  texcoord_type,
+                                  texcoord_type,
                                   sample_index);
    } else {
       /* You can create 2D_MULTISAMPLE textures with 0 sample count (meaning 1
@@ -234,7 +222,7 @@ setup_glsl_msaa_blit_shader(struct gl_context *ctx,
 
       if (dst_is_msaa) {
          arb_sample_shading_extension_string = "#extension GL_ARB_sample_shading : enable";
-         sample_resolve = ralloc_asprintf(mem_ctx, "   out_color = texelFetch(texSampler, ivec2(texCoords), gl_SampleID);");
+         sample_resolve = ralloc_asprintf(mem_ctx, "   out_color = texelFetch(texSampler, i%s(texCoords), gl_SampleID);", texcoord_type);
          merge_function = "";
       } else {
          int i;
@@ -263,8 +251,8 @@ setup_glsl_msaa_blit_shader(struct gl_context *ctx,
          sample_resolve = rzalloc_size(mem_ctx, 1);
          for (i = 0; i < samples; i++) {
             ralloc_asprintf_append(&sample_resolve,
-                                   "   gvec4 sample_1_%d = texelFetch(texSampler, ivec2(texCoords), %d);\n",
-                                   i, i);
+                                   "   gvec4 sample_1_%d = texelFetch(texSampler, i%s(texCoords), %d);\n",
+                                   i, texcoord_type, i);
          }
          /* Now, merge each pair of samples, then merge each pair of those,
           * etc.
@@ -294,20 +282,22 @@ setup_glsl_msaa_blit_shader(struct gl_context *ctx,
       vs_source = ralloc_asprintf(mem_ctx,
                                   "#version 130\n"
                                   "in vec2 position;\n"
-                                  "in vec2 textureCoords;\n"
-                                  "out vec2 texCoords;\n"
+                                  "in %s textureCoords;\n"
+                                  "out %s texCoords;\n"
                                   "void main()\n"
                                   "{\n"
                                   "   texCoords = textureCoords;\n"
                                   "   gl_Position = vec4(position, 0.0, 1.0);\n"
-                                  "}\n");
+                                  "}\n",
+                                  texcoord_type,
+                                  texcoord_type);
       fs_source = ralloc_asprintf(mem_ctx,
                                   "#version 130\n"
                                   "#extension GL_ARB_texture_multisample : enable\n"
                                   "%s\n"
                                   "#define gvec4 %svec4\n"
-                                  "uniform %ssampler2DMS texSampler;\n"
-                                  "in vec2 texCoords;\n"
+                                  "uniform %ssampler2DMS%s texSampler;\n"
+                                  "in %s texCoords;\n"
                                   "out gvec4 out_color;\n"
                                   "\n"
                                   "%s" /* merge_function */
@@ -318,6 +308,8 @@ setup_glsl_msaa_blit_shader(struct gl_context *ctx,
                                   arb_sample_shading_extension_string,
                                   vec4_prefix,
                                   vec4_prefix,
+                                  sampler_array_suffix,
+                                  texcoord_type,
                                   merge_function,
                                   sample_resolve);
    }
@@ -350,7 +342,8 @@ setup_glsl_blit_framebuffer(struct gl_context *ctx,
 
    _mesa_meta_setup_vertex_objects(&blit->VAO, &blit->VBO, true, 2, 2, 0);
 
-   if (target == GL_TEXTURE_2D_MULTISAMPLE) {
+   if (target == GL_TEXTURE_2D_MULTISAMPLE ||
+       target == GL_TEXTURE_2D_MULTISAMPLE_ARRAY) {
       setup_glsl_msaa_blit_shader(ctx, blit, src_rb, target);
    } else {
       _mesa_meta_setup_blit_shader(ctx, target, &blit->shaders);
@@ -389,6 +382,7 @@ blitframebuffer_texture(struct gl_context *ctx,
       ctx->Texture.Unit[ctx->Texture.CurrentUnit].Sampler->Name : 0;
    GLuint tempTex = 0;
    struct gl_renderbuffer *rb = readAtt->Renderbuffer;
+   struct temp_texture *meta_temp_texture;
 
    if (rb->NumSamples && !ctx->Extensions.ARB_texture_multisample)
       return false;
@@ -398,23 +392,18 @@ blitframebuffer_texture(struct gl_context *ctx,
       filter = GL_LINEAR;
    }
 
-   if (readAtt->Texture) {
+   if (readAtt->Texture &&
+       (readAtt->Texture->Target == GL_TEXTURE_2D ||
+        readAtt->Texture->Target == GL_TEXTURE_RECTANGLE ||
+        readAtt->Texture->Target == GL_TEXTURE_2D_MULTISAMPLE ||
+        readAtt->Texture->Target == GL_TEXTURE_2D_MULTISAMPLE_ARRAY)) {
       /* If there's a texture attached of a type we can handle, then just use
        * it directly.
        */
       srcLevel = readAtt->TextureLevel;
       texObj = readAtt->Texture;
       target = texObj->Target;
-
-      switch (target) {
-      case GL_TEXTURE_2D:
-      case GL_TEXTURE_RECTANGLE:
-      case GL_TEXTURE_2D_MULTISAMPLE:
-         break;
-      default:
-         return false;
-      }
-   } else if (ctx->Driver.BindRenderbufferTexImage) {
+   } else if (!readAtt->Texture && ctx->Driver.BindRenderbufferTexImage) {
       /* Otherwise, we need the driver to be able to bind a renderbuffer as
        * a texture image.
        */
@@ -449,7 +438,42 @@ blitframebuffer_texture(struct gl_context *ctx,
          }
       }
    } else {
-      return false;
+      GLenum tex_base_format;
+      int srcW = abs(srcY1 - srcY0);
+      int srcH = abs(srcY1 - srcY0);
+      /* Fall back to doing a CopyTexSubImage to get the destination
+       * renderbuffer into a texture.
+       */
+      if (ctx->Meta->Blit.no_ctsi_fallback)
+         return false;
+
+      if (rb->NumSamples > 1)
+         return false;
+
+      if (do_depth) {
+         meta_temp_texture = _mesa_meta_get_temp_depth_texture(ctx);
+         tex_base_format = GL_DEPTH_COMPONENT;
+      } else {
+         meta_temp_texture = _mesa_meta_get_temp_texture(ctx);
+         tex_base_format =
+            _mesa_base_tex_format(ctx, rb->InternalFormat);
+      }
+
+      srcLevel = 0;
+      target = meta_temp_texture->Target;
+      texObj = _mesa_lookup_texture(ctx, meta_temp_texture->TexObj);
+
+      _mesa_meta_setup_copypix_texture(ctx, meta_temp_texture,
+                                       srcX0, srcY0,
+                                       srcW, srcH,
+                                       tex_base_format,
+                                       filter);
+
+
+      srcX0 = 0;
+      srcY0 = 0;
+      srcX1 = srcW;
+      srcY1 = srcH;
    }
 
    baseLevelSave = texObj->BaseLevel;
@@ -533,7 +557,8 @@ blitframebuffer_texture(struct gl_context *ctx,
       }
       else {
          assert(target == GL_TEXTURE_RECTANGLE_ARB ||
-                target == GL_TEXTURE_2D_MULTISAMPLE);
+                target == GL_TEXTURE_2D_MULTISAMPLE ||
+                target == GL_TEXTURE_2D_MULTISAMPLE_ARRAY);
          s0 = (float) srcX0;
          s1 = (float) srcX1;
          t0 = (float) srcY0;
@@ -600,47 +625,53 @@ _mesa_meta_BlitFramebuffer(struct gl_context *ctx,
                            GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1,
                            GLbitfield mask, GLenum filter)
 {
-   struct blit_state *blit = &ctx->Meta->Blit;
-   struct temp_texture *tex = _mesa_meta_get_temp_texture(ctx);
-   struct temp_texture *depthTex = _mesa_meta_get_temp_depth_texture(ctx);
-   const GLsizei maxTexSize = tex->MaxSize;
-   const GLint srcX = MIN2(srcX0, srcX1);
-   const GLint srcY = MIN2(srcY0, srcY1);
-   const GLint srcW = abs(srcX1 - srcX0);
-   const GLint srcH = abs(srcY1 - srcY0);
-   const GLint dstX = MIN2(dstX0, dstX1);
-   const GLint dstY = MIN2(dstY0, dstY1);
    const GLint dstW = abs(dstX1 - dstX0);
    const GLint dstH = abs(dstY1 - dstY0);
-   const GLint srcFlipX = (srcX1 - srcX0) / srcW;
-   const GLint srcFlipY = (srcY1 - srcY0) / srcH;
    const GLint dstFlipX = (dstX1 - dstX0) / dstW;
    const GLint dstFlipY = (dstY1 - dstY0) / dstH;
-   const GLint flipX = srcFlipX * dstFlipX;
-   const GLint flipY = srcFlipY * dstFlipY;
 
-   struct vertex verts[4];
-   GLboolean newTex;
+   struct {
+      GLint srcX0, srcY0, srcX1, srcY1;
+      GLint dstX0, dstY0, dstX1, dstY1;
+   } clip = {
+      srcX0, srcY0, srcX1, srcY1,
+      dstX0, dstY0, dstX1, dstY1
+   };
+
    const GLboolean use_glsl_version = ctx->Extensions.ARB_vertex_shader &&
                                       ctx->Extensions.ARB_fragment_shader;
 
-   /* In addition to falling back if the blit size is larger than the maximum
-    * texture size, fallback if the source is multisampled.  This fallback can
-    * be removed once Mesa gets support ARB_texture_multisample.
-    */
-   if (srcW > maxTexSize || srcH > maxTexSize) {
-      /* XXX avoid this fallback */
-      goto fallback;
-   }
-
    /* Multisample texture blit support requires texture multisample. */
    if (ctx->ReadBuffer->Visual.samples > 0 &&
        !ctx->Extensions.ARB_texture_multisample) {
       goto fallback;
    }
 
-   /* only scissor effects blit so save/clear all other relevant state */
-   _mesa_meta_begin(ctx, ~MESA_META_SCISSOR);
+   /* Clip a copy of the blit coordinates. If these differ from the input
+    * coordinates, then we'll set the scissor.
+    */
+   if (!_mesa_clip_blit(ctx, &clip.srcX0, &clip.srcY0, &clip.srcX1, &clip.srcY1,
+                        &clip.dstX0, &clip.dstY0, &clip.dstX1, &clip.dstY1)) {
+      /* clipped/scissored everything away */
+      return;
+   }
+
+   /* Only scissor affects blit, but we're doing to set a custom scissor if
+    * necessary anyway, so save/clear state.
+    */
+   _mesa_meta_begin(ctx, MESA_META_ALL);
+
+   /* If the clipping earlier changed the destination rect at all, then
+    * enable the scissor to clip to it.
+    */
+   if (clip.dstX0 != dstX0 || clip.dstY0 != dstY0 ||
+       clip.dstX1 != dstX1 || clip.dstY1 != dstY1) {
+      _mesa_set_enable(ctx, GL_SCISSOR_TEST, GL_TRUE);
+      _mesa_Scissor(MIN2(clip.dstX0, clip.dstX1),
+                    MIN2(clip.dstY0, clip.dstY1),
+                    abs(clip.dstX0 - clip.dstX1),
+                    abs(clip.dstY0 - clip.dstY1));
+   }
 
    /* Try faster, direct texture approach first */
    if (mask & GL_COLOR_BUFFER_BIT) {
@@ -669,132 +700,10 @@ _mesa_meta_BlitFramebuffer(struct gl_context *ctx,
       }
    }
 
-   /* Choose between glsl version and fixed function version of
-    * BlitFramebuffer function.
-    */
-   if (use_glsl_version) {
-      setup_glsl_blit_framebuffer(ctx, blit, NULL, tex->Target);
-   }
-   else {
-      _mesa_meta_setup_ff_tnl_for_blit(&blit->VAO, &blit->VBO, 2);
-   }
-
-   /* Silence valgrind warnings about reading uninitialized stack. */
-   memset(verts, 0, sizeof(verts));
-
-   /* Continue with "normal" approach which involves copying the src rect
-    * into a temporary texture and is "blitted" by drawing a textured quad.
-    */
-   {
-      /* setup vertex positions */
-      verts[0].x = -1.0F * flipX;
-      verts[0].y = -1.0F * flipY;
-      verts[1].x =  1.0F * flipX;
-      verts[1].y = -1.0F * flipY;
-      verts[2].x =  1.0F * flipX;
-      verts[2].y =  1.0F * flipY;
-      verts[3].x = -1.0F * flipX;
-      verts[3].y =  1.0F * flipY;
-
-   }
-
-   if (!use_glsl_version)
-      _mesa_set_enable(ctx, tex->Target, GL_TRUE);
-
-   if (mask & GL_COLOR_BUFFER_BIT) {
-      const struct gl_framebuffer *readFb = ctx->ReadBuffer;
-      const struct gl_renderbuffer *colorReadRb = readFb->_ColorReadBuffer;
-      const GLenum rb_base_format =
-         _mesa_base_tex_format(ctx, colorReadRb->InternalFormat);
-
-      /* Using  the exact source rectangle to create the texture does incorrect
-       * linear filtering along the edges. So, allocate the texture extended along
-       * edges by one pixel in x, y directions.
-       */
-      _mesa_meta_setup_copypix_texture(ctx, tex,
-                                       srcX - 1, srcY - 1, srcW + 2, srcH + 2,
-                                       rb_base_format, filter);
-      /* texcoords (after texture allocation!) */
-      {
-         verts[0].tex[0] = 1.0F;
-         verts[0].tex[1] = 1.0F;
-         verts[1].tex[0] = tex->Sright - 1.0F;
-         verts[1].tex[1] = 1.0F;
-         verts[2].tex[0] = tex->Sright - 1.0F;
-         verts[2].tex[1] = tex->Ttop - 1.0F;
-         verts[3].tex[0] = 1.0F;
-         verts[3].tex[1] = tex->Ttop - 1.0F;
-
-         /* upload new vertex data */
-         _mesa_BufferSubData(GL_ARRAY_BUFFER_ARB, 0, sizeof(verts), verts);
-      }
-
-      _mesa_set_viewport(ctx, 0, dstX, dstY, dstW, dstH);
-      _mesa_ColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
-      _mesa_set_enable(ctx, GL_DEPTH_TEST, GL_FALSE);
-      _mesa_DepthMask(GL_FALSE);
-      _mesa_DrawArrays(GL_TRIANGLE_FAN, 0, 4);
-      mask &= ~GL_COLOR_BUFFER_BIT;
-   }
-
-   if ((mask & GL_DEPTH_BUFFER_BIT) &&
-       _mesa_is_desktop_gl(ctx) &&
-       ctx->Extensions.ARB_depth_texture &&
-       ctx->Extensions.ARB_fragment_program) {
-
-      GLuint *tmp = malloc(srcW * srcH * sizeof(GLuint));
-
-      if (tmp) {
-
-         newTex = _mesa_meta_alloc_texture(depthTex, srcW, srcH,
-                                           GL_DEPTH_COMPONENT);
-         _mesa_ReadPixels(srcX, srcY, srcW, srcH, GL_DEPTH_COMPONENT,
-                          GL_UNSIGNED_INT, tmp);
-         _mesa_meta_setup_drawpix_texture(ctx, depthTex, newTex,
-                                          srcW, srcH, GL_DEPTH_COMPONENT,
-                                          GL_UNSIGNED_INT, tmp);
-
-         /* texcoords (after texture allocation!) */
-         {
-            verts[0].tex[0] = 0.0F;
-            verts[0].tex[1] = 0.0F;
-            verts[1].tex[0] = depthTex->Sright;
-            verts[1].tex[1] = 0.0F;
-            verts[2].tex[0] = depthTex->Sright;
-            verts[2].tex[1] = depthTex->Ttop;
-            verts[3].tex[0] = 0.0F;
-            verts[3].tex[1] = depthTex->Ttop;
-
-            /* upload new vertex data */
-            _mesa_BufferSubData(GL_ARRAY_BUFFER_ARB, 0, sizeof(verts), verts);
-         }
-
-         if (!blit->DepthFP)
-            init_blit_depth_pixels(ctx);
-
-         _mesa_BindProgramARB(GL_FRAGMENT_PROGRAM_ARB, blit->DepthFP);
-         _mesa_set_enable(ctx, GL_FRAGMENT_PROGRAM_ARB, GL_TRUE);
-         _mesa_ColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE);
-         _mesa_set_enable(ctx, GL_DEPTH_TEST, GL_TRUE);
-         _mesa_DepthFunc(GL_ALWAYS);
-         _mesa_DepthMask(GL_TRUE);
-
-         _mesa_set_viewport(ctx, 0, dstX, dstY, dstW, dstH);
-         _mesa_BufferSubData(GL_ARRAY_BUFFER_ARB, 0, sizeof(verts), verts);
-         _mesa_DrawArrays(GL_TRIANGLE_FAN, 0, 4);
-         mask &= ~GL_DEPTH_BUFFER_BIT;
-
-         free(tmp);
-      }
-   }
-
    if (mask & GL_STENCIL_BUFFER_BIT) {
       /* XXX can't easily do stencil */
    }
 
-   if (!use_glsl_version)
-      _mesa_set_enable(ctx, tex->Target, GL_FALSE);
-
    _mesa_meta_end(ctx);
 
 fallback:
@@ -813,10 +722,6 @@ _mesa_meta_glsl_blit_cleanup(struct blit_state *blit)
       _mesa_DeleteBuffers(1, &blit->VBO);
       blit->VBO = 0;
    }
-   if (blit->DepthFP) {
-      _mesa_DeleteProgramsARB(1, &blit->DepthFP);
-      blit->DepthFP = 0;
-   }
 
    _mesa_meta_blit_shader_table_cleanup(&blit->shaders);
 
diff --git a/mesalib/src/mesa/drivers/common/meta_generate_mipmap.c b/mesalib/src/mesa/drivers/common/meta_generate_mipmap.c
index d62819c4c..3c9ac89af 100644
--- a/mesalib/src/mesa/drivers/common/meta_generate_mipmap.c
+++ b/mesalib/src/mesa/drivers/common/meta_generate_mipmap.c
@@ -44,38 +44,6 @@
 #include "main/viewport.h"
 #include "drivers/common/meta.h"
 
-/**
- * Bind a particular texture level/layer to mipmap->FBO's GL_COLOR_ATTACHMENT0.
- */
-static void
-bind_fbo_image(struct gl_texture_object *texObj, GLenum target,
-               GLuint level, GLuint layer)
-{
-   switch (target) {
-   case GL_TEXTURE_1D:
-      _mesa_FramebufferTexture1D(GL_FRAMEBUFFER,
-                                 GL_COLOR_ATTACHMENT0,
-                                 target,
-                                 texObj->Name,
-                                 level);
-      break;
-   case GL_TEXTURE_1D_ARRAY:
-   case GL_TEXTURE_2D_ARRAY:
-   case GL_TEXTURE_3D:
-      _mesa_FramebufferTextureLayer(GL_FRAMEBUFFER,
-                                    GL_COLOR_ATTACHMENT0,
-                                    texObj->Name,
-                                    level,
-                                    layer);
-      break;
-   default: /* 2D / cube */
-      _mesa_FramebufferTexture2D(GL_FRAMEBUFFER,
-                                 GL_COLOR_ATTACHMENT0,
-                                 target,
-                                 texObj->Name,
-                                 level);
-   }
-}
 
 /**
  * Check if the call to _mesa_meta_GenerateMipmap() will require a
@@ -135,7 +103,7 @@ fallback_required(struct gl_context *ctx, GLenum target,
       _mesa_GenFramebuffers(1, &mipmap->FBO);
    _mesa_BindFramebuffer(GL_FRAMEBUFFER_EXT, mipmap->FBO);
 
-   bind_fbo_image(texObj, target, srcLevel, 0);
+   _mesa_meta_bind_fbo_image(GL_COLOR_ATTACHMENT0, baseImage, 0);
 
    status = _mesa_CheckFramebufferStatus(GL_FRAMEBUFFER_EXT);
 
@@ -221,7 +189,7 @@ _mesa_meta_GenerateMipmap(struct gl_context *ctx, GLenum target,
     */
    if (use_glsl_version) {
       _mesa_meta_setup_vertex_objects(&mipmap->VAO, &mipmap->VBO, true,
-                                      2, 3, 0);
+                                      2, 4, 0);
       _mesa_meta_setup_blit_shader(ctx, target, &mipmap->shaders);
    } else {
       _mesa_meta_setup_ff_tnl_for_blit(&mipmap->VAO, &mipmap->VBO, 3);
@@ -281,6 +249,7 @@ _mesa_meta_GenerateMipmap(struct gl_context *ctx, GLenum target,
 
    for (dstLevel = baseLevel + 1; dstLevel <= maxLevel; dstLevel++) {
       const struct gl_texture_image *srcImage;
+      struct gl_texture_image *dstImage;
       const GLuint srcLevel = dstLevel - 1;
       GLuint layer;
       GLsizei srcWidth, srcHeight, srcDepth;
@@ -325,6 +294,7 @@ _mesa_meta_GenerateMipmap(struct gl_context *ctx, GLenum target,
           */
          break;
       }
+      dstImage = _mesa_select_tex_image(ctx, texObj, faceTarget, dstLevel);
 
       /* limit minification to src level */
       _mesa_TexParameteri(target, GL_TEXTURE_MAX_LEVEL, srcLevel);
@@ -347,7 +317,7 @@ _mesa_meta_GenerateMipmap(struct gl_context *ctx, GLenum target,
          _mesa_BufferData(GL_ARRAY_BUFFER_ARB, sizeof(verts),
                           verts, GL_DYNAMIC_DRAW_ARB);
 
-         bind_fbo_image(texObj, faceTarget, dstLevel, layer);
+         _mesa_meta_bind_fbo_image(GL_COLOR_ATTACHMENT0, dstImage, layer);
 
          /* sanity check */
          if (_mesa_CheckFramebufferStatus(GL_FRAMEBUFFER) !=
diff --git a/mesalib/src/mesa/drivers/dri/common/utils.c b/mesalib/src/mesa/drivers/dri/common/utils.c
index 1f29e0b08..eee77ec69 100644
--- a/mesalib/src/mesa/drivers/dri/common/utils.c
+++ b/mesalib/src/mesa/drivers/dri/common/utils.c
@@ -32,6 +32,7 @@
 #include <string.h>
 #include <stdlib.h>
 #include <stdbool.h>
+#include <stdint.h>
 #include "main/macros.h"
 #include "main/mtypes.h"
 #include "main/cpuinfo.h"
@@ -40,14 +41,12 @@
 #include "dri_util.h"
 
 
-unsigned
+uint64_t
 driParseDebugString( const char * debug, 
 		     const struct dri_debug_control * control  )
 {
-   unsigned   flag;
-
+   uint64_t flag = 0;
 
-   flag = 0;
    if ( debug != NULL ) {
       while( control->string != NULL ) {
 	 if ( !strcmp( debug, "all" ) ||
diff --git a/mesalib/src/mesa/drivers/dri/common/utils.h b/mesalib/src/mesa/drivers/dri/common/utils.h
index 094143446..3760c38fc 100644
--- a/mesalib/src/mesa/drivers/dri/common/utils.h
+++ b/mesalib/src/mesa/drivers/dri/common/utils.h
@@ -34,10 +34,10 @@
 
 struct dri_debug_control {
     const char * string;
-    unsigned     flag;
+    uint64_t     flag;
 };
 
-extern unsigned driParseDebugString( const char * debug,
+extern uint64_t driParseDebugString( const char * debug,
     const struct dri_debug_control * control );
 
 extern unsigned driGetRendererString( char * buffer,
diff --git a/mesalib/src/mesa/main/fbobject.c b/mesalib/src/mesa/main/fbobject.c
index 6c4f1b548..ca16ae1ec 100644
--- a/mesalib/src/mesa/main/fbobject.c
+++ b/mesalib/src/mesa/main/fbobject.c
@@ -2676,8 +2676,7 @@ _mesa_FramebufferRenderbuffer(GLenum target, GLenum attachment,
 	 return;
       }
       else if (rb == &DummyRenderbuffer) {
-         /* This is what NVIDIA does */
-	 _mesa_error(ctx, GL_INVALID_VALUE,
+	 _mesa_error(ctx, GL_INVALID_OPERATION,
 		     "glFramebufferRenderbufferEXT(renderbuffer %u)",
                      renderbuffer);
 	 return;
@@ -2771,8 +2770,21 @@ _mesa_GetFramebufferAttachmentParameteriv(GLenum target, GLenum attachment,
    }
 
    if (attachment == GL_DEPTH_STENCIL_ATTACHMENT) {
-      /* the depth and stencil attachments must point to the same buffer */
       const struct gl_renderbuffer_attachment *depthAtt, *stencilAtt;
+      if (pname == GL_FRAMEBUFFER_ATTACHMENT_COMPONENT_TYPE) {
+         /* This behavior is first specified in OpenGL 4.4 specification.
+          *
+          * From the OpenGL 4.4 spec page 275:
+          *   "This query cannot be performed for a combined depth+stencil
+          *    attachment, since it does not have a single format."
+          */
+         _mesa_error(ctx, GL_INVALID_OPERATION,
+                     "glGetFramebufferAttachmentParameteriv("
+                     "GL_FRAMEBUFFER_ATTACHMENT_COMPONENT_TYPE"
+                     " is invalid for depth+stencil attachment)");
+         return;
+      }
+      /* the depth and stencil attachments must point to the same buffer */
       depthAtt = get_attachment(ctx, buffer, GL_DEPTH_ATTACHMENT);
       stencilAtt = get_attachment(ctx, buffer, GL_STENCIL_ATTACHMENT);
       if (depthAtt->Renderbuffer != stencilAtt->Renderbuffer) {
diff --git a/mesalib/src/mesa/main/formats.c b/mesalib/src/mesa/main/formats.c
index fb2501c69..5c670115e 100644
--- a/mesalib/src/mesa/main/formats.c
+++ b/mesalib/src/mesa/main/formats.c
@@ -2035,6 +2035,15 @@ _mesa_is_format_signed(mesa_format format)
    }
 }
 
+/**
+ * Is the given format an integer format?
+ */
+GLboolean
+_mesa_is_format_integer(mesa_format format)
+{
+   const struct gl_format_info *info = _mesa_get_format_info(format);
+   return (info->DataType == GL_INT || info->DataType == GL_UNSIGNED_INT);
+}
 
 /**
  * Return color encoding for given format.
diff --git a/mesalib/src/mesa/main/formats.h b/mesalib/src/mesa/main/formats.h
index 89bd0219e..185010e02 100644
--- a/mesalib/src/mesa/main/formats.h
+++ b/mesalib/src/mesa/main/formats.h
@@ -445,6 +445,9 @@ _mesa_is_format_unsigned(mesa_format format);
 extern GLboolean
 _mesa_is_format_signed(mesa_format format);
 
+extern GLboolean
+_mesa_is_format_integer(mesa_format format);
+
 extern GLenum
 _mesa_get_format_color_encoding(mesa_format format);
 
diff --git a/mesalib/src/mesa/main/getstring.c b/mesalib/src/mesa/main/getstring.c
index 3ac62d402..b0bd3190b 100644
--- a/mesalib/src/mesa/main/getstring.c
+++ b/mesalib/src/mesa/main/getstring.c
@@ -166,7 +166,7 @@ _mesa_GetStringi(GLenum name, GLuint index)
       }
       return _mesa_get_enabled_extension(ctx, index);
    default:
-      _mesa_error( ctx, GL_INVALID_ENUM, "glGetString" );
+      _mesa_error(ctx, GL_INVALID_ENUM, "glGetStringi");
       return (const GLubyte *) 0;
    }
 }
diff --git a/mesalib/src/mesa/main/glformats.c b/mesalib/src/mesa/main/glformats.c
index 77cf26337..9bb341cc0 100644
--- a/mesalib/src/mesa/main/glformats.c
+++ b/mesalib/src/mesa/main/glformats.c
@@ -1238,6 +1238,22 @@ GLenum
 _mesa_error_check_format_and_type(const struct gl_context *ctx,
                                   GLenum format, GLenum type)
 {
+   /* From OpenGL 3.3 spec, page 220:
+    *    "If the format is DEPTH_STENCIL, then values are taken from
+    *    both the depth buffer and the stencil buffer. If there is no
+    *    depth buffer or if there is no stencil buffer, then the error
+    *    INVALID_OPERATION occurs. If the type parameter is not
+    *    UNSIGNED_INT_24_8 or FLOAT_32_UNSIGNED_INT_24_8_REV, then the
+    *    error INVALID_ENUM occurs."
+    *
+    * OpenGL ES still generates GL_INVALID_OPERATION because glReadPixels
+    * cannot be used to read depth or stencil in that API.
+    */
+   if (_mesa_is_desktop_gl(ctx) && format == GL_DEPTH_STENCIL
+       && type != GL_UNSIGNED_INT_24_8
+       && type != GL_FLOAT_32_UNSIGNED_INT_24_8_REV)
+      return GL_INVALID_ENUM;
+
    /* special type-based checks (see glReadPixels, glDrawPixels error lists) */
    switch (type) {
    case GL_BITMAP:
diff --git a/mesalib/src/mesa/main/mtypes.h b/mesalib/src/mesa/main/mtypes.h
index 4d014d1ee..66943836c 100644
--- a/mesalib/src/mesa/main/mtypes.h
+++ b/mesalib/src/mesa/main/mtypes.h
@@ -1402,6 +1402,9 @@ struct gl_texture_attrib
 
    /** Bitwise-OR of all Texture.Unit[i]._GenFlags */
    GLbitfield _GenFlags;
+
+   /** Upper bound on _ReallyEnabled texunits. */
+   GLint _MaxEnabledTexImageUnit;
 };
 
 
diff --git a/mesalib/src/mesa/main/texgetimage.c b/mesalib/src/mesa/main/texgetimage.c
index daabf2e81..2beb0abe6 100644
--- a/mesalib/src/mesa/main/texgetimage.c
+++ b/mesalib/src/mesa/main/texgetimage.c
@@ -853,6 +853,11 @@ getteximage_error_check(struct gl_context *ctx, GLenum target, GLint level,
       _mesa_error(ctx, GL_INVALID_OPERATION, "glGetTexImage(format mismatch)");
       return GL_TRUE;
    }
+   else if (_mesa_is_enum_format_integer(format) !=
+            _mesa_is_format_integer(texImage->TexFormat)) {
+      _mesa_error(ctx, GL_INVALID_OPERATION, "glGetTexImage(format mismatch)");
+      return GL_TRUE;
+   }
 
    if (!_mesa_validate_pbo_access(dimensions, &ctx->Pack, texImage->Width,
                                   texImage->Height, texImage->Depth,
diff --git a/mesalib/src/mesa/main/teximage.c b/mesalib/src/mesa/main/teximage.c
index 57a766f99..c7f301cbd 100644
--- a/mesalib/src/mesa/main/teximage.c
+++ b/mesalib/src/mesa/main/teximage.c
@@ -4374,7 +4374,7 @@ teximagemultisample(GLuint dims, GLenum target, GLsizei samples,
 {
    struct gl_texture_object *texObj;
    struct gl_texture_image *texImage;
-   GLboolean sizeOK, dimensionsOK;
+   GLboolean sizeOK, dimensionsOK, samplesOK;
    mesa_format texFormat;
    GLenum sample_count_error;
 
@@ -4411,7 +4411,17 @@ teximagemultisample(GLuint dims, GLenum target, GLsizei samples,
 
    sample_count_error = _mesa_check_sample_count(ctx, target,
          internalformat, samples);
-   if (sample_count_error != GL_NO_ERROR) {
+   samplesOK = sample_count_error == GL_NO_ERROR;
+
+   /* Page 254 of OpenGL 4.4 spec says:
+    *   "Proxy arrays for two-dimensional multisample and two-dimensional
+    *    multisample array textures are operated on in the same way when
+    *    TexImage2DMultisample is called with target specified as
+    *    PROXY_TEXTURE_2D_MULTISAMPLE, or TexImage3DMultisample is called
+    *    with target specified as PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY.
+    *    However, if samples is not supported, then no error is generated.
+    */
+   if (!samplesOK && !_mesa_is_proxy_texture(target)) {
       _mesa_error(ctx, sample_count_error, "%s(samples)", func);
       return;
    }
@@ -4443,7 +4453,7 @@ teximagemultisample(GLuint dims, GLenum target, GLsizei samples,
          width, height, depth, 0);
 
    if (_mesa_is_proxy_texture(target)) {
-      if (dimensionsOK && sizeOK) {
+      if (samplesOK && dimensionsOK && sizeOK) {
          init_teximage_fields_ms(ctx, texImage, width, height, depth, 0,
                                  internalformat, texFormat,
                                  samples, fixedsamplelocations);
diff --git a/mesalib/src/mesa/main/texstate.c b/mesalib/src/mesa/main/texstate.c
index fcae878cf..b68920ce1 100644
--- a/mesalib/src/mesa/main/texstate.c
+++ b/mesalib/src/mesa/main/texstate.c
@@ -550,6 +550,7 @@ update_texture_state( struct gl_context *ctx )
    ctx->Texture._GenFlags = 0x0;
    ctx->Texture._TexMatEnabled = 0x0;
    ctx->Texture._TexGenEnabled = 0x0;
+   ctx->Texture._MaxEnabledTexImageUnit = -1;
 
    /*
     * Update texture unit state.
@@ -636,6 +637,7 @@ update_texture_state( struct gl_context *ctx )
       /* if we get here, we know this texture unit is enabled */
 
       ctx->Texture._EnabledUnits |= (1 << unit);
+      ctx->Texture._MaxEnabledTexImageUnit = unit;
 
       if (enabledTargetsByStage[MESA_SHADER_FRAGMENT])
          enabledFragUnits |= (1 << unit);
diff --git a/mesalib/src/mesa/main/varray.c b/mesalib/src/mesa/main/varray.c
index b88d70018..66a3ef119 100644
--- a/mesalib/src/mesa/main/varray.c
+++ b/mesalib/src/mesa/main/varray.c
@@ -738,7 +738,7 @@ get_vertex_array_attrib(struct gl_context *ctx, GLuint index, GLenum pname,
    case GL_VERTEX_ATTRIB_ARRAY_ENABLED_ARB:
       return array->Enabled;
    case GL_VERTEX_ATTRIB_ARRAY_SIZE_ARB:
-      return array->Size;
+      return (array->Format == GL_BGRA) ? GL_BGRA : array->Size;
    case GL_VERTEX_ATTRIB_ARRAY_STRIDE_ARB:
       return array->Stride;
    case GL_VERTEX_ATTRIB_ARRAY_TYPE_ARB:
diff --git a/mesalib/src/mesa/state_tracker/st_atom_framebuffer.c b/mesalib/src/mesa/state_tracker/st_atom_framebuffer.c
index 4c4f839d1..a17417c35 100644
--- a/mesalib/src/mesa/state_tracker/st_atom_framebuffer.c
+++ b/mesalib/src/mesa/state_tracker/st_atom_framebuffer.c
@@ -31,6 +31,8 @@
   *   Brian Paul
   */
  
+#include <limits.h>
+
 #include "st_context.h"
 #include "st_atom.h"
 #include "st_cb_bitmap.h"
@@ -44,6 +46,26 @@
 
 
 /**
+ * Update framebuffer size.
+ *
+ * We need to derive pipe_framebuffer size from the bound pipe_surfaces here
+ * instead of copying gl_framebuffer size because for certain target types
+ * (like PIPE_TEXTURE_1D_ARRAY) gl_framebuffer::Height has the number of layers
+ * instead of 1.
+ */
+static void
+update_framebuffer_size(struct pipe_framebuffer_state *framebuffer,
+                        struct pipe_surface *surface)
+{
+   assert(surface);
+   assert(surface->width  < UINT_MAX);
+   assert(surface->height < UINT_MAX);
+   framebuffer->width  = MIN2(framebuffer->width,  surface->width);
+   framebuffer->height = MIN2(framebuffer->height, surface->height);
+}
+
+
+/**
  * Update framebuffer state (color, depth, stencil, etc. buffers)
  */
 static void
@@ -57,8 +79,8 @@ update_framebuffer_state( struct st_context *st )
    st_flush_bitmap_cache(st);
 
    st->state.fb_orientation = st_fb_orientation(fb);
-   framebuffer->width = fb->Width;
-   framebuffer->height = fb->Height;
+   framebuffer->width  = UINT_MAX;
+   framebuffer->height = UINT_MAX;
 
    /*printf("------ fb size %d x %d\n", fb->Width, fb->Height);*/
 
@@ -81,6 +103,7 @@ update_framebuffer_state( struct st_context *st )
 
          if (strb->surface) {
             pipe_surface_reference(&framebuffer->cbufs[i], strb->surface);
+            update_framebuffer_size(framebuffer, strb->surface);
          }
          strb->defined = GL_TRUE; /* we'll be drawing something */
       }
@@ -100,12 +123,14 @@ update_framebuffer_state( struct st_context *st )
          st_update_renderbuffer_surface(st, strb);
       }
       pipe_surface_reference(&framebuffer->zsbuf, strb->surface);
+      update_framebuffer_size(framebuffer, strb->surface);
    }
    else {
       strb = st_renderbuffer(fb->Attachment[BUFFER_STENCIL].Renderbuffer);
       if (strb) {
          assert(strb->surface);
          pipe_surface_reference(&framebuffer->zsbuf, strb->surface);
+         update_framebuffer_size(framebuffer, strb->surface);
       }
       else
          pipe_surface_reference(&framebuffer->zsbuf, NULL);
@@ -122,6 +147,12 @@ update_framebuffer_state( struct st_context *st )
    }
 #endif
 
+   /* _mesa_test_framebuffer_completeness refuses framebuffers with no
+    * attachments, so this should never happen.
+    */
+   assert(framebuffer->width  != UINT_MAX);
+   assert(framebuffer->height != UINT_MAX);
+
    cso_set_framebuffer(st->cso_context, framebuffer);
 }
 
diff --git a/mesalib/src/mesa/state_tracker/st_extensions.c b/mesalib/src/mesa/state_tracker/st_extensions.c
index 059989342..70726886e 100644
--- a/mesalib/src/mesa/state_tracker/st_extensions.c
+++ b/mesalib/src/mesa/state_tracker/st_extensions.c
@@ -635,6 +635,8 @@ void st_init_extensions(struct st_context *st)
       if (!st->options.disable_shader_bit_encoding) {
          ctx->Extensions.ARB_shader_bit_encoding = GL_TRUE;
       }
+
+      ctx->Extensions.EXT_shader_integer_mix = GL_TRUE;
    } else {
       /* Optional integer support for GLSL 1.2. */
       if (screen->get_shader_param(screen, PIPE_SHADER_VERTEX,
@@ -642,6 +644,8 @@ void st_init_extensions(struct st_context *st)
           screen->get_shader_param(screen, PIPE_SHADER_FRAGMENT,
                                    PIPE_SHADER_CAP_INTEGERS)) {
          ctx->Const.NativeIntegers = GL_TRUE;
+
+         ctx->Extensions.EXT_shader_integer_mix = 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 edd0aa765..15b5279b8 100644
--- a/mesalib/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
+++ b/mesalib/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
@@ -632,7 +632,10 @@ glsl_to_tgsi_visitor::get_opcode(ir_instruction *ir, unsigned op,
         		 st_src_reg src0, st_src_reg src1)
 {
    int type = GLSL_TYPE_FLOAT;
-   
+
+   if (op == TGSI_OPCODE_MOV)
+       return op;
+
    assert(src0.type != GLSL_TYPE_ARRAY);
    assert(src0.type != GLSL_TYPE_STRUCT);
    assert(src1.type != GLSL_TYPE_ARRAY);
diff --git a/mesalib/src/mesa/state_tracker/st_texture.c b/mesalib/src/mesa/state_tracker/st_texture.c
index f664ef5f1..92035e801 100644
--- a/mesalib/src/mesa/state_tracker/st_texture.c
+++ b/mesalib/src/mesa/state_tracker/st_texture.c
@@ -443,7 +443,7 @@ struct pipe_sampler_view **
 st_texture_get_sampler_view(struct st_context *st,
                             struct st_texture_object *stObj)
 {
-   struct pipe_sampler_view **used = NULL, **free = NULL;
+   struct pipe_sampler_view *used = NULL, **free = NULL;
    GLuint i;
 
    for (i = 0; i < stObj->num_sampler_views; ++i) {
@@ -455,7 +455,7 @@ st_texture_get_sampler_view(struct st_context *st,
             return sv;
 
          /* Wasn't the right one, but remember it as template */
-         used = sv;
+         used = *sv;
       } else {
          /* Found a free slot, remember that */
          free = sv;
@@ -475,7 +475,7 @@ st_texture_get_sampler_view(struct st_context *st,
 
    /* Add just any sampler view to be used as a template */
    if (used)
-      pipe_sampler_view_reference(free, *used);
+      pipe_sampler_view_reference(free, used);
 
    return free;
 }
diff --git a/mesalib/src/mesa/swrast/s_blit.c b/mesalib/src/mesa/swrast/s_blit.c
index 1ba188c5f..e3b45f146 100644
--- a/mesalib/src/mesa/swrast/s_blit.c
+++ b/mesalib/src/mesa/swrast/s_blit.c
@@ -29,6 +29,7 @@
 #include "main/macros.h"
 #include "main/format_unpack.h"
 #include "main/format_pack.h"
+#include "main/condrender.h"
 #include "s_context.h"
 
 
@@ -748,6 +749,13 @@ _swrast_BlitFramebuffer(struct gl_context *ctx,
    };
    GLint i;
 
+   /* Page 679 of OpenGL 4.4 spec says:
+    *    "Added BlitFramebuffer to commands affected by conditional rendering in
+    *     section 10.10 (Bug 9562)."
+    */
+   if (!_mesa_check_conditional_render(ctx))
+      return; /* Do not blit */
+
    if (!_mesa_clip_blit(ctx, &srcX0, &srcY0, &srcX1, &srcY1,
                         &dstX0, &dstY0, &dstX1, &dstY1)) {
       return;