Merge remote-tracking branch 'origin/released'

Conflicts:
	xorg-server/hw/xwin/winclip.c
	xorg-server/hw/xwin/winengine.c
	xorg-server/hw/xwin/winfont.c
	xorg-server/hw/xwin/wingc.c
	xorg-server/hw/xwin/wingetsp.c
	xorg-server/hw/xwin/winmisc.c
	xorg-server/hw/xwin/winnativegdi.c
	xorg-server/hw/xwin/winpfbdd.c
	xorg-server/hw/xwin/winpixmap.c
	xorg-server/hw/xwin/winpolyline.c
	xorg-server/hw/xwin/winscrinit.c
	xorg-server/hw/xwin/winsetsp.c
	xorg-server/hw/xwin/winwindow.c

23 files changed, 246 insertions, 127 deletions

diff --git a/mesalib/src/mesa/main/attrib.c b/mesalib/src/mesa/main/attrib.c
index d90e6627f..5345339f6 100644
--- a/mesalib/src/mesa/main/attrib.c
+++ b/mesalib/src/mesa/main/attrib.c
@@ -1345,6 +1345,7 @@ _mesa_PopAttrib(void)
                if (xform->DepthClamp != ctx->Transform.DepthClamp)
                   _mesa_set_enable(ctx, GL_DEPTH_CLAMP,
                                    ctx->Transform.DepthClamp);
+               _mesa_ClipControl(xform->ClipOrigin, xform->ClipDepthMode);
             }
             break;
          case GL_TEXTURE_BIT:
diff --git a/mesalib/src/mesa/main/bufferobj.c b/mesalib/src/mesa/main/bufferobj.c
index c88744afb..011e7be3f 100755
--- a/mesalib/src/mesa/main/bufferobj.c
+++ b/mesalib/src/mesa/main/bufferobj.c
@@ -2710,7 +2710,7 @@ bind_buffer_range_uniform_buffer(struct gl_context *ctx,
 
    if (offset & (ctx->Const.UniformBufferOffsetAlignment - 1)) {
       _mesa_error(ctx, GL_INVALID_VALUE,
-                  "glBindBufferRange(offset misalgned %d/%d)", (int) offset,
+                  "glBindBufferRange(offset misaligned %d/%d)", (int) offset,
 		  ctx->Const.UniformBufferOffsetAlignment);
       return;
    }
@@ -2797,7 +2797,7 @@ bind_atomic_buffer(struct gl_context *ctx,
 
    if (offset & (ATOMIC_COUNTER_SIZE - 1)) {
       _mesa_error(ctx, GL_INVALID_VALUE,
-                  "%s(offset misalgned %d/%d)", name, (int) offset,
+                  "%s(offset misaligned %d/%d)", name, (int) offset,
                   ATOMIC_COUNTER_SIZE);
       return;
    }
diff --git a/mesalib/src/mesa/main/context.c b/mesalib/src/mesa/main/context.c
index 5a8f7184a..25b9bfc4c 100644
--- a/mesalib/src/mesa/main/context.c
+++ b/mesalib/src/mesa/main/context.c
@@ -133,6 +133,7 @@
 #include "program/prog_print.h"
 #include "math/m_matrix.h"
 #include "main/dispatch.h" /* for _gloffset_COUNT */
+#include "uniforms.h"
 
 #ifdef USE_SPARC_ASM
 #include "sparc/sparc.h"
@@ -1949,6 +1950,17 @@ _mesa_valid_to_render(struct gl_context *ctx, const char *where)
       }
    }
 
+   /* If a program is active and SSO not in use, check if validation of
+    * samplers succeeded for the active program. */
+   if (ctx->_Shader->ActiveProgram && ctx->_Shader != ctx->Pipeline.Current) {
+      char errMsg[100];
+      if (!_mesa_sampler_uniforms_are_valid(ctx->_Shader->ActiveProgram,
+                                            errMsg, 100)) {
+         _mesa_error(ctx, GL_INVALID_OPERATION, "%s", errMsg);
+         return GL_FALSE;
+      }
+   }
+
    if (ctx->DrawBuffer->_Status != GL_FRAMEBUFFER_COMPLETE_EXT) {
       _mesa_error(ctx, GL_INVALID_FRAMEBUFFER_OPERATION_EXT,
                   "%s(incomplete framebuffer)", where);
diff --git a/mesalib/src/mesa/main/dd.h b/mesalib/src/mesa/main/dd.h
index c07e83ad9..2f40915d9 100644
--- a/mesalib/src/mesa/main/dd.h
+++ b/mesalib/src/mesa/main/dd.h
@@ -758,8 +758,7 @@ struct dd_function_table {
    struct gl_shader *(*NewShader)(struct gl_context *ctx,
                                   GLuint name, GLenum type);
    void (*DeleteShader)(struct gl_context *ctx, struct gl_shader *shader);
-   struct gl_shader_program *(*NewShaderProgram)(struct gl_context *ctx,
-                                                 GLuint name);
+   struct gl_shader_program *(*NewShaderProgram)(GLuint name);
    void (*DeleteShaderProgram)(struct gl_context *ctx,
                                struct gl_shader_program *shProg);
    void (*UseProgram)(struct gl_context *ctx, struct gl_shader_program *shProg);
diff --git a/mesalib/src/mesa/main/dlist.c b/mesalib/src/mesa/main/dlist.c
index 5c7160d05..4b7b0604b 100644
--- a/mesalib/src/mesa/main/dlist.c
+++ b/mesalib/src/mesa/main/dlist.c
@@ -398,6 +398,9 @@ typedef enum
    OPCODE_PROGRAM_UNIFORM_MATRIX34F,
    OPCODE_PROGRAM_UNIFORM_MATRIX43F,
 
+   /* GL_ARB_clip_control */
+   OPCODE_CLIP_CONTROL,
+
    /* GL_ARB_color_buffer_float */
    OPCODE_CLAMP_COLOR,
 
@@ -7208,6 +7211,22 @@ save_ProgramUniformMatrix4fv(GLuint program, GLint location, GLsizei count,
 }
 
 static void GLAPIENTRY
+save_ClipControl(GLenum origin, GLenum depth)
+{
+   GET_CURRENT_CONTEXT(ctx);
+   Node *n;
+   ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx);
+   n = alloc_instruction(ctx, OPCODE_CLIP_CONTROL, 2);
+   if (n) {
+      n[1].e = origin;
+      n[2].e = depth;
+   }
+   if (ctx->ExecuteFlag) {
+      CALL_ClipControl(ctx->Exec, (origin, depth));
+   }
+}
+
+static void GLAPIENTRY
 save_ClampColorARB(GLenum target, GLenum clamp)
 {
    GET_CURRENT_CONTEXT(ctx);
@@ -8617,6 +8636,10 @@ execute_list(struct gl_context *ctx, GLuint list)
                                           get_pointer(&n[5])));
             break;
 
+         case OPCODE_CLIP_CONTROL:
+            CALL_ClipControl(ctx->Exec, (n[1].e, n[2].e));
+            break;
+
          case OPCODE_CLAMP_COLOR:
             CALL_ClampColor(ctx->Exec, (n[1].e, n[2].e));
             break;
@@ -9551,6 +9574,9 @@ _mesa_initialize_save_table(const struct gl_context *ctx)
    SET_TexParameterIiv(table, save_TexParameterIiv);
    SET_TexParameterIuiv(table, save_TexParameterIuiv);
 
+   /* GL_ARB_clip_control */
+   SET_ClipControl(table, save_ClipControl);
+
    /* GL_ARB_color_buffer_float */
    SET_ClampColor(table, save_ClampColorARB);
 
diff --git a/mesalib/src/mesa/main/extensions.c b/mesalib/src/mesa/main/extensions.c
index f0e2f89e4..15d66a744 100644
--- a/mesalib/src/mesa/main/extensions.c
+++ b/mesalib/src/mesa/main/extensions.c
@@ -91,6 +91,7 @@ static const struct extension extension_table[] = {
    { "GL_ARB_buffer_storage",                      o(ARB_buffer_storage),                      GL,             2013 },
    { "GL_ARB_clear_buffer_object",                 o(dummy_true),                              GL,             2012 },
    { "GL_ARB_clear_texture",                       o(ARB_clear_texture),                       GL,             2013 },
+   { "GL_ARB_clip_control",                        o(ARB_clip_control),                        GL,             2014 },
    { "GL_ARB_color_buffer_float",                  o(ARB_color_buffer_float),                  GL,             2004 },
    { "GL_ARB_compressed_texture_pixel_storage",    o(dummy_true),                              GL,             2011 },
    { "GL_ARB_compute_shader",                      o(ARB_compute_shader),                      GL,             2012 },
diff --git a/mesalib/src/mesa/main/ff_fragment_shader.cpp b/mesalib/src/mesa/main/ff_fragment_shader.cpp
index 9bb706cc5..5591d57df 100644
--- a/mesalib/src/mesa/main/ff_fragment_shader.cpp
+++ b/mesalib/src/mesa/main/ff_fragment_shader.cpp
@@ -665,7 +665,7 @@ static GLboolean args_match( const struct state_key *key, GLuint unit )
 }
 
 static ir_rvalue *
-smear(texenv_fragment_program *p, ir_rvalue *val)
+smear(ir_rvalue *val)
 {
    if (!val->type->is_scalar())
       return val;
@@ -722,7 +722,7 @@ emit_combine(texenv_fragment_program *p,
       tmp1 = mul(src[1], new(p->mem_ctx) ir_constant(2.0f));
       tmp1 = add(tmp1, new(p->mem_ctx) ir_constant(-1.0f));
 
-      return dot(swizzle_xyz(smear(p, tmp0)), swizzle_xyz(smear(p, tmp1)));
+      return dot(swizzle_xyz(smear(tmp0)), swizzle_xyz(smear(tmp1)));
    }
    case MODE_MODULATE_ADD_ATI:
       return add(mul(src[0], src[2]), src[1]);
@@ -804,7 +804,7 @@ emit_texenv(texenv_fragment_program *p, GLuint unit)
 			 key->unit[unit].NumArgsRGB,
 			 key->unit[unit].ModeRGB,
 			 key->unit[unit].OptRGB);
-      val = smear(p, val);
+      val = smear(val);
       if (rgb_saturate)
 	 val = saturate(val);
 
@@ -816,7 +816,7 @@ emit_texenv(texenv_fragment_program *p, GLuint unit)
 				    key->unit[unit].NumArgsRGB,
 				    key->unit[unit].ModeRGB,
 				    key->unit[unit].OptRGB);
-      val = smear(p, val);
+      val = smear(val);
       if (rgb_saturate)
 	 val = saturate(val);
       p->emit(assign(temp_var, val));
@@ -829,7 +829,7 @@ emit_texenv(texenv_fragment_program *p, GLuint unit)
 			 key->unit[unit].NumArgsRGB,
 			 key->unit[unit].ModeRGB,
 			 key->unit[unit].OptRGB);
-      val = swizzle_xyz(smear(p, val));
+      val = swizzle_xyz(smear(val));
       if (rgb_saturate)
 	 val = saturate(val);
       p->emit(assign(temp_var, val, WRITEMASK_XYZ));
@@ -838,7 +838,7 @@ emit_texenv(texenv_fragment_program *p, GLuint unit)
 			 key->unit[unit].NumArgsA,
 			 key->unit[unit].ModeA,
 			 key->unit[unit].OptA);
-      val = swizzle_w(smear(p, val));
+      val = swizzle_w(smear(val));
       if (alpha_saturate)
 	 val = saturate(val);
       p->emit(assign(temp_var, val, WRITEMASK_W));
@@ -1212,7 +1212,7 @@ create_new_program(struct gl_context *ctx, struct state_key *key)
    p.top_instructions = p.shader->ir;
    p.instructions = p.shader->ir;
    p.state = key;
-   p.shader_program = ctx->Driver.NewShaderProgram(ctx, 0);
+   p.shader_program = ctx->Driver.NewShaderProgram(0);
 
    /* Tell the linker to ignore the fact that we're building a
     * separate shader, in case we're in a GLES2 context that would
diff --git a/mesalib/src/mesa/main/get.c b/mesalib/src/mesa/main/get.c
index 0e2d8f687..6091efc7f 100644
--- a/mesalib/src/mesa/main/get.c
+++ b/mesalib/src/mesa/main/get.c
@@ -391,6 +391,7 @@ EXTRA_EXT(ARB_gpu_shader5);
 EXTRA_EXT2(ARB_transform_feedback3, ARB_gpu_shader5);
 EXTRA_EXT(INTEL_performance_query);
 EXTRA_EXT(ARB_explicit_uniform_location);
+EXTRA_EXT(ARB_clip_control);
 
 static const int
 extra_ARB_color_buffer_float_or_glcore[] = {
diff --git a/mesalib/src/mesa/main/get_hash_params.py b/mesalib/src/mesa/main/get_hash_params.py
index da3568469..aa9f282d8 100644
--- a/mesalib/src/mesa/main/get_hash_params.py
+++ b/mesalib/src/mesa/main/get_hash_params.py
@@ -414,6 +414,8 @@ descriptor=[
   [ "AUX_BUFFERS", "BUFFER_INT(Visual.numAuxBuffers), NO_EXTRA" ],
   [ "BLUE_BIAS", "CONTEXT_FLOAT(Pixel.BlueBias), NO_EXTRA" ],
   [ "BLUE_SCALE", "CONTEXT_FLOAT(Pixel.BlueScale), NO_EXTRA" ],
+  [ "CLIP_DEPTH_MODE", "CONTEXT_ENUM(Transform.ClipDepthMode), extra_ARB_clip_control" ],
+  [ "CLIP_ORIGIN", "CONTEXT_ENUM(Transform.ClipOrigin), extra_ARB_clip_control" ],
   [ "CLIENT_ATTRIB_STACK_DEPTH", "CONTEXT_INT(ClientAttribStackDepth), NO_EXTRA" ],
   [ "COLOR_MATERIAL_FACE", "CONTEXT_ENUM(Light.ColorMaterialFace), NO_EXTRA" ],
   [ "COLOR_MATERIAL_PARAMETER", "CONTEXT_ENUM(Light.ColorMaterialMode), NO_EXTRA" ],
diff --git a/mesalib/src/mesa/main/mtypes.h b/mesalib/src/mesa/main/mtypes.h
index 9f44edac6..e1f1f1dde 100644
--- a/mesalib/src/mesa/main/mtypes.h
+++ b/mesalib/src/mesa/main/mtypes.h
@@ -1430,6 +1430,9 @@ struct gl_transform_attrib
    GLboolean RescaleNormals;			/**< GL_EXT_rescale_normal */
    GLboolean RasterPositionUnclipped;           /**< GL_IBM_rasterpos_clip */
    GLboolean DepthClamp;			/**< GL_ARB_depth_clamp */
+   /** GL_ARB_clip_control */
+   GLenum ClipOrigin;     /**< GL_LOWER_LEFT or GL_UPPER_LEFT */
+   GLenum ClipDepthMode;  /**< GL_NEGATIVE_ONE_TO_ONE or GL_ZERO_TO_ONE */
 };
 
 
@@ -2775,7 +2778,7 @@ struct gl_shader_program
     * Transform feedback varyings last specified by
     * glTransformFeedbackVaryings().
     *
-    * For the current set of transform feeedback varyings used for transform
+    * For the current set of transform feedback varyings used for transform
     * feedback output, see LinkedTransformFeedback.
     */
    struct {
@@ -2884,6 +2887,7 @@ struct gl_shader_program
    GLboolean LinkStatus;   /**< GL_LINK_STATUS */
    GLboolean Validated;
    GLboolean _Used;        /**< Ever used for drawing? */
+   GLboolean SamplersValidated; /**< Samplers validated against texture units? */
    GLchar *InfoLog;
 
    unsigned Version;       /**< GLSL version used for linking */
@@ -3697,6 +3701,7 @@ struct gl_extensions
    GLboolean ARB_blend_func_extended;
    GLboolean ARB_buffer_storage;
    GLboolean ARB_clear_texture;
+   GLboolean ARB_clip_control;
    GLboolean ARB_color_buffer_float;
    GLboolean ARB_compute_shader;
    GLboolean ARB_conditional_render_inverted;
diff --git a/mesalib/src/mesa/main/polygon.c b/mesalib/src/mesa/main/polygon.c
index 611cef653..76d601977 100644
--- a/mesalib/src/mesa/main/polygon.c
+++ b/mesalib/src/mesa/main/polygon.c
@@ -104,8 +104,6 @@ _mesa_FrontFace( GLenum mode )
    FLUSH_VERTICES(ctx, _NEW_POLYGON);
    ctx->Polygon.FrontFace = mode;
 
-   ctx->Polygon._FrontBit = (GLboolean) (mode == GL_CW);
-
    if (ctx->Driver.FrontFace)
       ctx->Driver.FrontFace( ctx, mode );
 }
diff --git a/mesalib/src/mesa/main/shaderapi.c b/mesalib/src/mesa/main/shaderapi.c
index 3e6f61067..2be9092c1 100644
--- a/mesalib/src/mesa/main/shaderapi.c
+++ b/mesalib/src/mesa/main/shaderapi.c
@@ -316,7 +316,7 @@ create_shader_program(struct gl_context *ctx)
 
    name = _mesa_HashFindFreeKeyBlock(ctx->Shared->ShaderObjects, 1);
 
-   shProg = ctx->Driver.NewShaderProgram(ctx, name);
+   shProg = ctx->Driver.NewShaderProgram(name);
 
    _mesa_HashInsert(ctx->Shared->ShaderObjects, name, shProg);
 
diff --git a/mesalib/src/mesa/main/shaderapi.h b/mesalib/src/mesa/main/shaderapi.h
index 17b05b313..047d2562d 100644
--- a/mesalib/src/mesa/main/shaderapi.h
+++ b/mesalib/src/mesa/main/shaderapi.h
@@ -205,15 +205,6 @@ _mesa_use_shader_program(struct gl_context *ctx, GLenum type,
                          struct gl_shader_program *shProg,
                          struct gl_pipeline_object *shTarget);
 
-extern void GLAPIENTRY
-_mesa_UseShaderProgramEXT(GLenum type, GLuint program);
-
-extern void GLAPIENTRY
-_mesa_ActiveProgramEXT(GLuint program);
-
-extern GLuint GLAPIENTRY
-_mesa_CreateShaderProgramEXT(GLenum type, const GLchar *string);
-
 extern void
 _mesa_copy_linked_program_data(gl_shader_stage type,
                                const struct gl_shader_program *src,
diff --git a/mesalib/src/mesa/main/shaderimage.c b/mesalib/src/mesa/main/shaderimage.c
index 9e62f4294..dcbcca623 100644
--- a/mesalib/src/mesa/main/shaderimage.c
+++ b/mesalib/src/mesa/main/shaderimage.c
@@ -384,7 +384,7 @@ validate_image_unit(struct gl_context *ctx, struct gl_image_unit *u)
 void
 _mesa_validate_image_units(struct gl_context *ctx)
 {
-   int i;
+   unsigned i;
 
    for (i = 0; i < ctx->Const.MaxImageUnits; ++i) {
       struct gl_image_unit *u = &ctx->ImageUnits[i];
diff --git a/mesalib/src/mesa/main/shaderobj.c b/mesalib/src/mesa/main/shaderobj.c
index 693e9a259..81bd7829d 100644
--- a/mesalib/src/mesa/main/shaderobj.c
+++ b/mesalib/src/mesa/main/shaderobj.c
@@ -235,8 +235,8 @@ _mesa_reference_shader_program(struct gl_context *ctx,
    }
 }
 
-void
-_mesa_init_shader_program(struct gl_context *ctx, struct gl_shader_program *prog)
+static void
+init_shader_program(struct gl_shader_program *prog)
 {
    prog->Type = GL_SHADER_PROGRAM_MESA;
    prog->RefCount = 1;
@@ -261,13 +261,13 @@ _mesa_init_shader_program(struct gl_context *ctx, struct gl_shader_program *prog
  * Called via ctx->Driver.NewShaderProgram()
  */
 static struct gl_shader_program *
-_mesa_new_shader_program(struct gl_context *ctx, GLuint name)
+_mesa_new_shader_program(GLuint name)
 {
    struct gl_shader_program *shProg;
    shProg = rzalloc(NULL, struct gl_shader_program);
    if (shProg) {
       shProg->Name = name;
-      _mesa_init_shader_program(ctx, shProg);
+      init_shader_program(shProg);
    }
    return shProg;
 }
@@ -277,11 +277,11 @@ _mesa_new_shader_program(struct gl_context *ctx, GLuint name)
  * Clear (free) the shader program state that gets produced by linking.
  */
 void
-_mesa_clear_shader_program_data(struct gl_context *ctx,
-                                struct gl_shader_program *shProg)
+_mesa_clear_shader_program_data(struct gl_shader_program *shProg)
 {
+   unsigned i;
+
    if (shProg->UniformStorage) {
-      unsigned i;
       for (i = 0; i < shProg->NumUserUniformStorage; ++i)
          _mesa_uniform_detach_all_driver_storage(&shProg->UniformStorage[i]);
       ralloc_free(shProg->UniformStorage);
@@ -303,6 +303,18 @@ _mesa_clear_shader_program_data(struct gl_context *ctx,
    assert(shProg->InfoLog != NULL);
    ralloc_free(shProg->InfoLog);
    shProg->InfoLog = ralloc_strdup(shProg, "");
+
+   ralloc_free(shProg->UniformBlocks);
+   shProg->UniformBlocks = NULL;
+   shProg->NumUniformBlocks = 0;
+   for (i = 0; i < MESA_SHADER_STAGES; i++) {
+      ralloc_free(shProg->UniformBlockStageIndex[i]);
+      shProg->UniformBlockStageIndex[i] = NULL;
+   }
+
+   ralloc_free(shProg->AtomicBuffers);
+   shProg->AtomicBuffers = NULL;
+   shProg->NumAtomicBuffers = 0;
 }
 
 
@@ -319,7 +331,7 @@ _mesa_free_shader_program_data(struct gl_context *ctx,
 
    assert(shProg->Type == GL_SHADER_PROGRAM_MESA);
 
-   _mesa_clear_shader_program_data(ctx, shProg);
+   _mesa_clear_shader_program_data(shProg);
 
    if (shProg->AttributeBindings) {
       string_to_uint_map_dtor(shProg->AttributeBindings);
diff --git a/mesalib/src/mesa/main/shaderobj.h b/mesalib/src/mesa/main/shaderobj.h
index d72919c1f..05ddfeb50 100644
--- a/mesalib/src/mesa/main/shaderobj.h
+++ b/mesalib/src/mesa/main/shaderobj.h
@@ -71,9 +71,6 @@ _mesa_init_shader(struct gl_context *ctx, struct gl_shader *shader);
 extern struct gl_shader *
 _mesa_new_shader(struct gl_context *ctx, GLuint name, GLenum type);
 
-extern void
-_mesa_init_shader_program(struct gl_context *ctx, struct gl_shader_program *prog);
-
 extern struct gl_shader_program *
 _mesa_lookup_shader_program(struct gl_context *ctx, GLuint name);
 
@@ -82,8 +79,7 @@ _mesa_lookup_shader_program_err(struct gl_context *ctx, GLuint name,
                                 const char *caller);
 
 extern void
-_mesa_clear_shader_program_data(struct gl_context *ctx,
-                                struct gl_shader_program *shProg);
+_mesa_clear_shader_program_data(struct gl_shader_program *shProg);
 
 extern void
 _mesa_free_shader_program_data(struct gl_context *ctx,
diff --git a/mesalib/src/mesa/main/state.c b/mesalib/src/mesa/main/state.c
index 80287c470..45bce78fd 100644
--- a/mesalib/src/mesa/main/state.c
+++ b/mesalib/src/mesa/main/state.c
@@ -51,6 +51,7 @@
 #include "texobj.h"
 #include "texstate.h"
 #include "varray.h"
+#include "viewport.h"
 #include "blend.h"
 
 
@@ -281,16 +282,29 @@ update_viewport_matrix(struct gl_context *ctx)
     * NOTE: RasterPos uses this.
     */
    for (i = 0; i < ctx->Const.MaxViewports; i++) {
+      double scale[3], translate[3];
+
+      _mesa_get_viewport_xform(ctx, i, scale, translate);
       _math_matrix_viewport(&ctx->ViewportArray[i]._WindowMap,
-                            ctx->ViewportArray[i].X, ctx->ViewportArray[i].Y,
-                            ctx->ViewportArray[i].Width, ctx->ViewportArray[i].Height,
-                            ctx->ViewportArray[i].Near, ctx->ViewportArray[i].Far,
-                            depthMax);
+                            scale, translate, depthMax);
    }
 }
 
 
 /**
+ * Update the ctx->Polygon._FrontBit flag.
+ */
+static void
+update_frontbit(struct gl_context *ctx)
+{
+   if (ctx->Transform.ClipOrigin == GL_LOWER_LEFT)
+      ctx->Polygon._FrontBit = (ctx->Polygon.FrontFace == GL_CW);
+   else
+      ctx->Polygon._FrontBit = (ctx->Polygon.FrontFace == GL_CCW);
+}
+
+
+/**
  * Update derived multisample state.
  */
 static void
@@ -372,6 +386,9 @@ _mesa_update_state_locked( struct gl_context *ctx )
    if (new_state & (_NEW_PROGRAM|_NEW_TEXTURE|_NEW_TEXTURE_MATRIX))
       _mesa_update_texture( ctx, new_state );
 
+   if (new_state & _NEW_POLYGON)
+      update_frontbit( ctx );
+
    if (new_state & _NEW_BUFFERS)
       _mesa_update_framebuffer(ctx);
 
diff --git a/mesalib/src/mesa/main/uniform_query.cpp b/mesalib/src/mesa/main/uniform_query.cpp
index 1592c9bfd..fcb14c4e2 100644
--- a/mesalib/src/mesa/main/uniform_query.cpp
+++ b/mesalib/src/mesa/main/uniform_query.cpp
@@ -533,8 +533,7 @@ _mesa_propagate_uniforms_to_driver_storage(struct gl_uniform_storage *uni,
       dst += array_index * store->element_stride;
 
       switch (store->format) {
-      case uniform_native:
-      case uniform_bool_int_0_1: {
+      case uniform_native: {
 	 unsigned j;
 	 unsigned v;
 
@@ -550,8 +549,7 @@ _mesa_propagate_uniforms_to_driver_storage(struct gl_uniform_storage *uni,
 	 break;
       }
 
-      case uniform_int_float:
-      case uniform_bool_float: {
+      case uniform_int_float: {
 	 const int *isrc = (const int *) src;
 	 unsigned j;
 	 unsigned v;
@@ -572,27 +570,6 @@ _mesa_propagate_uniforms_to_driver_storage(struct gl_uniform_storage *uni,
 	 break;
       }
 
-      case uniform_bool_int_0_not0: {
-	 const int *isrc = (const int *) src;
-	 unsigned j;
-	 unsigned v;
-	 unsigned c;
-
-	 for (j = 0; j < count; j++) {
-	    for (v = 0; v < vectors; v++) {
-	       for (c = 0; c < components; c++) {
-		  ((int *) dst)[c] = *isrc == 0 ? 0 : ~0;
-		  isrc++;
-	       }
-
-	       dst += store->vector_stride;
-	    }
-
-	    dst += extra_stride;
-	 }
-	 break;
-      }
-
       default:
 	 assert(!"Should not get here.");
 	 break;
@@ -996,8 +973,7 @@ _mesa_uniform_matrix(struct gl_context *ctx, struct gl_shader_program *shProg,
  * array offset in *offset, or GL_INVALID_INDEX (-1).
  */
 extern "C" unsigned
-_mesa_get_uniform_location(struct gl_context *ctx,
-                           struct gl_shader_program *shProg,
+_mesa_get_uniform_location(struct gl_shader_program *shProg,
                            const GLchar *name,
                            unsigned *out_offset)
 {
@@ -1064,42 +1040,16 @@ extern "C" bool
 _mesa_sampler_uniforms_are_valid(const struct gl_shader_program *shProg,
 				 char *errMsg, size_t errMsgLength)
 {
-   const glsl_type *unit_types[MAX_COMBINED_TEXTURE_IMAGE_UNITS];
-
-   memset(unit_types, 0, sizeof(unit_types));
-
-   for (unsigned i = 0; i < shProg->NumUserUniformStorage; i++) {
-      const struct gl_uniform_storage *const storage =
-	 &shProg->UniformStorage[i];
-      const glsl_type *const t = (storage->type->is_array())
-	 ? storage->type->fields.array : storage->type;
-
-      if (!t->is_sampler())
-	 continue;
-
-      const unsigned count = MAX2(1, storage->type->array_size());
-      for (unsigned j = 0; j < count; j++) {
-	 const unsigned unit = storage->storage[j].i;
-
-	 /* The types of the samplers associated with a particular texture
-	  * unit must be an exact match.  Page 74 (page 89 of the PDF) of the
-	  * OpenGL 3.3 core spec says:
-	  *
-	  *     "It is not allowed to have variables of different sampler
-	  *     types pointing to the same texture image unit within a program
-	  *     object."
-	  */
-	 if (unit_types[unit] == NULL) {
-	    unit_types[unit] = t;
-	 } else if (unit_types[unit] != t) {
-	    _mesa_snprintf(errMsg, errMsgLength,
-			   "Texture unit %d is accessed both as %s and %s",
-			   unit, unit_types[unit]->name, t->name);
-	    return false;
-	 }
-      }
+   /* Shader does not have samplers. */
+   if (shProg->NumUserUniformStorage == 0)
+      return true;
+
+   if (!shProg->SamplersValidated) {
+      _mesa_snprintf(errMsg, errMsgLength,
+                     "active samplers with a different type "
+                     "refer to the same texture image unit");
+      return false;
    }
-
    return true;
 }
 
diff --git a/mesalib/src/mesa/main/uniforms.c b/mesalib/src/mesa/main/uniforms.c
index 0d0cbf57e..c30710772 100644
--- a/mesalib/src/mesa/main/uniforms.c
+++ b/mesalib/src/mesa/main/uniforms.c
@@ -75,12 +75,26 @@ _mesa_update_shader_textures_used(struct gl_shader_program *shProg,
    memcpy(prog->SamplerUnits, shader->SamplerUnits, sizeof(prog->SamplerUnits));
    memset(prog->TexturesUsed, 0, sizeof(prog->TexturesUsed));
 
+   shProg->SamplersValidated = GL_TRUE;
+
    for (s = 0; s < MAX_SAMPLERS; s++) {
       if (prog->SamplersUsed & (1 << s)) {
          GLuint unit = shader->SamplerUnits[s];
          GLuint tgt = shader->SamplerTargets[s];
          assert(unit < Elements(prog->TexturesUsed));
          assert(tgt < NUM_TEXTURE_TARGETS);
+
+         /* The types of the samplers associated with a particular texture
+          * unit must be an exact match.  Page 74 (page 89 of the PDF) of the
+          * OpenGL 3.3 core spec says:
+          *
+          *     "It is not allowed to have variables of different sampler
+          *     types pointing to the same texture image unit within a program
+          *     object."
+          */
+         if (prog->TexturesUsed[unit] & ~(1 << tgt))
+            shProg->SamplersValidated = GL_FALSE;
+
          prog->TexturesUsed[unit] |= (1 << tgt);
       }
    }
@@ -917,7 +931,7 @@ _mesa_GetUniformLocation(GLuint programObj, const GLcharARB *name)
       return -1;
    }
 
-   index = _mesa_get_uniform_location(ctx, shProg, name, &offset);
+   index = _mesa_get_uniform_location(shProg, name, &offset);
    if (index == GL_INVALID_INDEX)
       return -1;
 
@@ -990,7 +1004,7 @@ _mesa_GetUniformIndices(GLuint program,
 
    for (i = 0; i < uniformCount; i++) {
       unsigned offset;
-      uniformIndices[i] = _mesa_get_uniform_location(ctx, shProg,
+      uniformIndices[i] = _mesa_get_uniform_location(shProg,
 						     uniformNames[i], &offset);
    }
 }
@@ -1096,7 +1110,7 @@ _mesa_GetActiveUniformBlockiv(GLuint program,
       for (i = 0; i < block->NumUniforms; i++) {
 	 unsigned offset;
          const int idx =
-            _mesa_get_uniform_location(ctx, shProg,
+            _mesa_get_uniform_location(shProg,
                                        block->Uniforms[i].IndexName,
                                        &offset);
          if (idx != -1)
@@ -1113,7 +1127,7 @@ _mesa_GetActiveUniformBlockiv(GLuint program,
       for (i = 0; i < block->NumUniforms; i++) {
 	 unsigned offset;
          const int idx =
-            _mesa_get_uniform_location(ctx, shProg,
+            _mesa_get_uniform_location(shProg,
                                        block->Uniforms[i].IndexName,
                                        &offset);
 
diff --git a/mesalib/src/mesa/main/uniforms.h b/mesalib/src/mesa/main/uniforms.h
index e7a370e84..6575a52f4 100644
--- a/mesalib/src/mesa/main/uniforms.h
+++ b/mesalib/src/mesa/main/uniforms.h
@@ -259,7 +259,7 @@ _mesa_parse_program_resource_name(const GLchar *name,
                                   const GLchar **out_base_name_end);
 
 unsigned
-_mesa_get_uniform_location(struct gl_context *ctx, struct gl_shader_program *shProg,
+_mesa_get_uniform_location(struct gl_shader_program *shProg,
 			   const GLchar *name, unsigned *offset);
 
 void
diff --git a/mesalib/src/mesa/main/version.c b/mesalib/src/mesa/main/version.c
index e3a63811a..a813c88ad 100644
--- a/mesalib/src/mesa/main/version.c
+++ b/mesalib/src/mesa/main/version.c
@@ -381,7 +381,6 @@ compute_version_es2(const struct gl_extensions *extensions)
                               extensions->ARB_shader_texture_lod &&
                               extensions->ARB_texture_float &&
                               extensions->ARB_texture_rg &&
-                              extensions->ARB_texture_compression_rgtc &&
                               extensions->EXT_draw_buffers2 &&
                               /* extensions->ARB_framebuffer_object && */
                               extensions->EXT_framebuffer_sRGB &&
@@ -389,7 +388,6 @@ compute_version_es2(const struct gl_extensions *extensions)
                               extensions->EXT_texture_array &&
                               extensions->EXT_texture_shared_exponent &&
                               extensions->EXT_transform_feedback &&
-                              extensions->NV_conditional_render &&
                               extensions->ARB_draw_instanced &&
                               extensions->ARB_uniform_buffer_object &&
                               extensions->EXT_texture_snorm &&
diff --git a/mesalib/src/mesa/main/viewport.c b/mesalib/src/mesa/main/viewport.c
index 222ae307b..d6a9e290a 100644
--- a/mesalib/src/mesa/main/viewport.c
+++ b/mesalib/src/mesa/main/viewport.c
@@ -30,6 +30,7 @@
 
 
 #include "context.h"
+#include "enums.h"
 #include "macros.h"
 #include "mtypes.h"
 #include "viewport.h"
@@ -39,6 +40,8 @@ set_viewport_no_notify(struct gl_context *ctx, unsigned idx,
                        GLfloat x, GLfloat y,
                        GLfloat width, GLfloat height)
 {
+   double scale[3], translate[3];
+
    /* clamp width and height to the implementation dependent range */
    width  = MIN2(width, (GLfloat) ctx->Const.MaxViewportWidth);
    height = MIN2(height, (GLfloat) ctx->Const.MaxViewportHeight);
@@ -75,14 +78,9 @@ set_viewport_no_notify(struct gl_context *ctx, unsigned idx,
     * the WindowMap matrix being up to date in the driver's Viewport
     * and DepthRange functions.
     */
+   _mesa_get_viewport_xform(ctx, idx, scale, translate);
    _math_matrix_viewport(&ctx->ViewportArray[idx]._WindowMap,
-                         ctx->ViewportArray[idx].X,
-                         ctx->ViewportArray[idx].Y,
-                         ctx->ViewportArray[idx].Width,
-                         ctx->ViewportArray[idx].Height,
-                         ctx->ViewportArray[idx].Near,
-                         ctx->ViewportArray[idx].Far,
-                         ctx->DrawBuffer->_DepthMaxF);
+                         scale, translate, ctx->DrawBuffer->_DepthMaxF);
 #endif
 }
 
@@ -248,6 +246,8 @@ static void
 set_depth_range_no_notify(struct gl_context *ctx, unsigned idx,
                           GLclampd nearval, GLclampd farval)
 {
+   double scale[3], translate[3];
+
    if (ctx->ViewportArray[idx].Near == nearval &&
        ctx->ViewportArray[idx].Far == farval)
       return;
@@ -261,14 +261,9 @@ set_depth_range_no_notify(struct gl_context *ctx, unsigned idx,
     * the WindowMap matrix being up to date in the driver's Viewport
     * and DepthRange functions.
     */
+   _mesa_get_viewport_xform(ctx, idx, scale, translate);
    _math_matrix_viewport(&ctx->ViewportArray[idx]._WindowMap,
-                         ctx->ViewportArray[idx].X,
-                         ctx->ViewportArray[idx].Y,
-                         ctx->ViewportArray[idx].Width,
-                         ctx->ViewportArray[idx].Height,
-                         ctx->ViewportArray[idx].Near,
-                         ctx->ViewportArray[idx].Far,
-                         ctx->DrawBuffer->_DepthMaxF);
+                         scale, translate, ctx->DrawBuffer->_DepthMaxF);
 #endif
 }
 
@@ -396,10 +391,15 @@ void _mesa_init_viewport(struct gl_context *ctx)
    GLfloat depthMax = 65535.0F; /* sorf of arbitrary */
    unsigned i;
 
+   ctx->Transform.ClipOrigin = GL_LOWER_LEFT;
+   ctx->Transform.ClipDepthMode = GL_NEGATIVE_ONE_TO_ONE;
+
    /* Note: ctx->Const.MaxViewports may not have been set by the driver yet,
     * so just initialize all of them.
     */
    for (i = 0; i < MAX_VIEWPORTS; i++) {
+      double scale[3], translate[3];
+
       /* Viewport group */
       ctx->ViewportArray[i].X = 0;
       ctx->ViewportArray[i].Y = 0;
@@ -409,8 +409,9 @@ void _mesa_init_viewport(struct gl_context *ctx)
       ctx->ViewportArray[i].Far = 1.0;
       _math_matrix_ctr(&ctx->ViewportArray[i]._WindowMap);
 
-      _math_matrix_viewport(&ctx->ViewportArray[i]._WindowMap, 0, 0, 0, 0,
-                            0.0F, 1.0F, depthMax);
+      _mesa_get_viewport_xform(ctx, i, scale, translate);
+      _math_matrix_viewport(&ctx->ViewportArray[i]._WindowMap,
+                            scale, translate, depthMax);
    }
 }
 
@@ -427,3 +428,92 @@ void _mesa_free_viewport_data(struct gl_context *ctx)
       _math_matrix_dtr(&ctx->ViewportArray[i]._WindowMap);
 }
 
+extern void GLAPIENTRY
+_mesa_ClipControl(GLenum origin, GLenum depth)
+{
+   GET_CURRENT_CONTEXT(ctx);
+
+   if (MESA_VERBOSE&VERBOSE_API)
+      _mesa_debug(ctx, "glClipControl(%s, %s)\n",
+	          _mesa_lookup_enum_by_nr(origin),
+                  _mesa_lookup_enum_by_nr(depth));
+
+   ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+   if (!ctx->Extensions.ARB_clip_control) {
+      _mesa_error(ctx, GL_INVALID_OPERATION, "glClipControl");
+      return;
+   }
+
+   if (origin != GL_LOWER_LEFT && origin != GL_UPPER_LEFT) {
+      _mesa_error(ctx, GL_INVALID_ENUM, "glClipControl");
+      return;
+   }
+
+   if (depth != GL_NEGATIVE_ONE_TO_ONE && depth != GL_ZERO_TO_ONE) {
+      _mesa_error(ctx, GL_INVALID_ENUM, "glClipControl");
+      return;
+   }
+
+   if (ctx->Transform.ClipOrigin == origin &&
+       ctx->Transform.ClipDepthMode == depth)
+      return;
+
+   FLUSH_VERTICES(ctx, 0);
+
+   if (ctx->Transform.ClipOrigin != origin) {
+      ctx->Transform.ClipOrigin = origin;
+
+      /* Affects the winding order of the front face. */
+      ctx->NewState |= _NEW_POLYGON;
+      /* Affects the y component of the viewport transform. */
+      ctx->NewState |= _NEW_VIEWPORT;
+
+      if (ctx->Driver.FrontFace)
+         ctx->Driver.FrontFace(ctx, ctx->Polygon.FrontFace);
+   }
+
+   if (ctx->Transform.ClipDepthMode != depth) {
+      ctx->Transform.ClipDepthMode = depth;
+
+      /* Affects the z part of the viewpoint transform. */
+      ctx->NewState |= _NEW_VIEWPORT;
+
+      if (ctx->Driver.DepthRange)
+         ctx->Driver.DepthRange(ctx);
+   }
+}
+
+/**
+ * Computes the scaling and the translation part of the
+ * viewport transform matrix of the \param i-th viewport
+ * and writes that into \param scale and \param translate.
+ */
+void
+_mesa_get_viewport_xform(struct gl_context *ctx, unsigned i,
+                         double scale[3], double translate[3])
+{
+   double x = ctx->ViewportArray[i].X;
+   double y = ctx->ViewportArray[i].Y;
+   double half_width = 0.5*ctx->ViewportArray[i].Width;
+   double half_height = 0.5*ctx->ViewportArray[i].Height;
+   double n = ctx->ViewportArray[i].Near;
+   double f = ctx->ViewportArray[i].Far;
+
+   scale[0] = half_width;
+   translate[0] = half_width + x;
+   if (ctx->Transform.ClipOrigin == GL_UPPER_LEFT) {
+      scale[1] = -half_height;
+      translate[1] = half_height - y;
+   } else {
+      scale[1] = half_height;
+      translate[1] = half_height + y;
+   }
+   if (ctx->Transform.ClipDepthMode == GL_NEGATIVE_ONE_TO_ONE) {
+      scale[2] = 0.5*(f - n);
+      translate[2] = 0.5*(n + f);
+   } else {
+      scale[2] = f - n;
+      translate[2] = n;
+   }
+}
diff --git a/mesalib/src/mesa/main/viewport.h b/mesalib/src/mesa/main/viewport.h
index f2311c02b..426e194bd 100644
--- a/mesalib/src/mesa/main/viewport.h
+++ b/mesalib/src/mesa/main/viewport.h
@@ -71,5 +71,11 @@ _mesa_init_viewport(struct gl_context *ctx);
 extern void 
 _mesa_free_viewport_data(struct gl_context *ctx);
 
+extern void GLAPIENTRY
+_mesa_ClipControl(GLenum origin, GLenum depth);
+
+extern void
+_mesa_get_viewport_xform(struct gl_context *ctx, unsigned i,
+                         double scale[3], double translate[3]);
 
 #endif