fontconfig mesa libxcb git update 4 jul 2013

libxcb           commit 8b6bb1a71977116d382f45eef803aedd3e313d37
libxcb/xcb-proto commit e6a246e50e62cbcba33d0e1d2371e69e6e089383
fontconfig       commit d420e1df983871ab18b0f07976596fdf0ce78847
mesa             commit bbd1e60198548a12be3405fc32dd39a87e8968ab

8 files changed, 32 insertions, 54 deletions

diff --git a/mesalib/src/mesa/SConscript b/mesalib/src/mesa/SConscript
index 0f1543802..d328fc13c 100644
--- a/mesalib/src/mesa/SConscript
+++ b/mesalib/src/mesa/SConscript
@@ -417,23 +417,6 @@ if (env['gcc'] or env['clang']) and \
         env.Append(CPPPATH = [matypes[0].dir])
 
 
-# The enums.c file is generated from the GL/ES API.xml file
-env.CodeGenerate(
-    target = 'main/enums.c',
-    script = GLAPI + 'gen/gl_enums.py',
-    source = GLAPI + 'gen/gl_and_es_API.xml',
-    command = python_cmd + ' $SCRIPT -f $SOURCE > $TARGET'
-    )
-
-# The api_exec.c file is generated from the GL/ES API.xml file
-env.CodeGenerate(
-    target = 'main/api_exec.c',
-    script = GLAPI + 'gen/gl_genexec.py',
-    source = GLAPI + 'gen/gl_and_es_API.xml',
-    command = python_cmd + ' $SCRIPT -f $SOURCE > $TARGET'
-    )
-
-
 def write_git_sha1_h_file(filename):
     """Mesa looks for a git_sha1.h file at compile time in order to display
     the current git hash id in the GL_VERSION string.  This function tries
diff --git a/mesalib/src/mesa/main/mtypes.h b/mesalib/src/mesa/main/mtypes.h
index 1f62e2c9c..2f7cce7ba 100644
--- a/mesalib/src/mesa/main/mtypes.h
+++ b/mesalib/src/mesa/main/mtypes.h
@@ -2173,13 +2173,16 @@ struct gl_shader
 
 /**
  * Shader stages. Note that these will become 5 with tessellation.
- * These MUST have the same values as gallium's PIPE_SHADER_*
+ *
+ * The order must match how shaders are ordered in the pipeline.
+ * The GLSL linker assumes that if i<j, then the j-th shader is
+ * executed later than the i-th shader.
  */
 typedef enum
 {
    MESA_SHADER_VERTEX = 0,
-   MESA_SHADER_FRAGMENT = 1,
-   MESA_SHADER_GEOMETRY = 2,
+   MESA_SHADER_GEOMETRY = 1,
+   MESA_SHADER_FRAGMENT = 2,
    MESA_SHADER_TYPES = 3
 } gl_shader_type;
 
@@ -2922,12 +2925,11 @@ struct gl_constants
    GLboolean StripTextureBorder;
 
    /**
-    * For drivers which can do a better job at eliminating unused varyings
-    * and uniforms than the GLSL compiler.
+    * For drivers which can do a better job at eliminating unused uniforms
+    * than the GLSL compiler.
     *
     * XXX Remove these as soon as a better solution is available.
     */
-   GLboolean GLSLSkipStrictMaxVaryingLimitCheck;
    GLboolean GLSLSkipStrictMaxUniformLimitCheck;
 
    /**
diff --git a/mesalib/src/mesa/main/shaderobj.h b/mesalib/src/mesa/main/shaderobj.h
index 5ce85cfde..de1c9fcaf 100644
--- a/mesalib/src/mesa/main/shaderobj.h
+++ b/mesalib/src/mesa/main/shaderobj.h
@@ -123,8 +123,8 @@ _mesa_shader_index_to_type(GLuint i)
 {
    static const GLenum enums[MESA_SHADER_TYPES] = {
       GL_VERTEX_SHADER,
-      GL_FRAGMENT_SHADER,
-      GL_GEOMETRY_SHADER ,
+      GL_GEOMETRY_SHADER,
+      GL_FRAGMENT_SHADER
    };
    if (i >= MESA_SHADER_TYPES)
       return 0;
diff --git a/mesalib/src/mesa/program/ir_to_mesa.cpp b/mesalib/src/mesa/program/ir_to_mesa.cpp
index 35a9b8437..4af1c8241 100644
--- a/mesalib/src/mesa/program/ir_to_mesa.cpp
+++ b/mesalib/src/mesa/program/ir_to_mesa.cpp
@@ -3073,12 +3073,6 @@ _mesa_ir_link_shader(struct gl_context *ctx, struct gl_shader_program *prog)
       linked_prog = get_mesa_program(ctx, prog, prog->_LinkedShaders[i]);
 
       if (linked_prog) {
-	 static const GLenum targets[] = {
-	    GL_VERTEX_PROGRAM_ARB,
-	    GL_FRAGMENT_PROGRAM_ARB,
-	    GL_GEOMETRY_PROGRAM_NV
-	 };
-
 	 if (i == MESA_SHADER_VERTEX) {
             ((struct gl_vertex_program *)linked_prog)->UsesClipDistance
                = prog->Vert.UsesClipDistance;
@@ -3086,7 +3080,9 @@ _mesa_ir_link_shader(struct gl_context *ctx, struct gl_shader_program *prog)
 
 	 _mesa_reference_program(ctx, &prog->_LinkedShaders[i]->Program,
 				 linked_prog);
-         if (!ctx->Driver.ProgramStringNotify(ctx, targets[i], linked_prog)) {
+         if (!ctx->Driver.ProgramStringNotify(ctx,
+                                              _mesa_program_index_to_target(i),
+                                              linked_prog)) {
             return GL_FALSE;
          }
       }
diff --git a/mesalib/src/mesa/program/program.h b/mesalib/src/mesa/program/program.h
index ecda59b58..f28983894 100644
--- a/mesalib/src/mesa/program/program.h
+++ b/mesalib/src/mesa/program/program.h
@@ -205,8 +205,8 @@ _mesa_program_index_to_target(GLuint i)
 {
    static const GLenum enums[MESA_SHADER_TYPES] = {
       GL_VERTEX_PROGRAM_ARB,
-      GL_FRAGMENT_PROGRAM_ARB,
       GL_GEOMETRY_PROGRAM_NV,
+      GL_FRAGMENT_PROGRAM_ARB
    };
    if(i >= MESA_SHADER_TYPES)
       return 0;
diff --git a/mesalib/src/mesa/state_tracker/st_context.c b/mesalib/src/mesa/state_tracker/st_context.c
index 7d18c2521..80393cff7 100644
--- a/mesalib/src/mesa/state_tracker/st_context.c
+++ b/mesalib/src/mesa/state_tracker/st_context.c
@@ -221,11 +221,6 @@ struct st_context *st_create_context(gl_api api, struct pipe_context *pipe,
    struct gl_context *shareCtx = share ? share->ctx : NULL;
    struct dd_function_table funcs;
 
-   /* Sanity checks */
-   STATIC_ASSERT(MESA_SHADER_VERTEX == PIPE_SHADER_VERTEX);
-   STATIC_ASSERT(MESA_SHADER_FRAGMENT == PIPE_SHADER_FRAGMENT);
-   STATIC_ASSERT(MESA_SHADER_GEOMETRY == PIPE_SHADER_GEOMETRY);
-
    memset(&funcs, 0, sizeof(funcs));
    st_init_driver_functions(&funcs);
 
diff --git a/mesalib/src/mesa/state_tracker/st_extensions.c b/mesalib/src/mesa/state_tracker/st_extensions.c
index 83e8e2e96..32348ef73 100644
--- a/mesalib/src/mesa/state_tracker/st_extensions.c
+++ b/mesalib/src/mesa/state_tracker/st_extensions.c
@@ -68,7 +68,7 @@ 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;
+   unsigned sh;
    boolean can_ubo = TRUE;
 
    c->MaxTextureLevels
@@ -149,23 +149,25 @@ void st_init_limits(struct st_context *st)
       can_ubo = FALSE;
    }
 
-   for (sh = 0; sh < MESA_SHADER_TYPES; ++sh) {
-      struct gl_shader_compiler_options *options =
-         &st->ctx->ShaderCompilerOptions[sh];
+   for (sh = 0; sh < PIPE_SHADER_TYPES; ++sh) {
+      struct gl_shader_compiler_options *options;
       struct gl_program_constants *pc;
 
       switch (sh) {
       case PIPE_SHADER_FRAGMENT:
          pc = &c->FragmentProgram;
+         options = &st->ctx->ShaderCompilerOptions[MESA_SHADER_FRAGMENT];
          break;
       case PIPE_SHADER_VERTEX:
          pc = &c->VertexProgram;
+         options = &st->ctx->ShaderCompilerOptions[MESA_SHADER_VERTEX];
          break;
       case PIPE_SHADER_GEOMETRY:
          pc = &c->GeometryProgram;
+         options = &st->ctx->ShaderCompilerOptions[MESA_SHADER_GEOMETRY];
          break;
       default:
-         assert(0);
+         /* compute shader, etc. */
          continue;
       }
 
@@ -274,9 +276,6 @@ void st_init_limits(struct st_context *st)
    c->GLSLSkipStrictMaxUniformLimitCheck =
       screen->get_param(screen, PIPE_CAP_TGSI_CAN_COMPACT_CONSTANTS);
 
-   c->GLSLSkipStrictMaxVaryingLimitCheck =
-      screen->get_param(screen, PIPE_CAP_TGSI_CAN_COMPACT_VARYINGS);
-
    if (can_ubo) {
       st->ctx->Extensions.ARB_uniform_buffer_object = GL_TRUE;
       c->UniformBufferOffsetAlignment =
@@ -552,7 +551,14 @@ void st_init_extensions(struct st_context *st)
    ctx->Extensions.EXT_pixel_buffer_object = GL_TRUE;
    ctx->Extensions.EXT_point_parameters = GL_TRUE;
    ctx->Extensions.EXT_provoking_vertex = GL_TRUE;
-   ctx->Extensions.EXT_separate_shader_objects = GL_TRUE;
+
+   /* IMPORTANT:
+    *    Don't enable EXT_separate_shader_objects. It disallows a certain
+    *    optimization in the GLSL compiler and therefore is considered
+    *    harmful.
+    */
+   ctx->Extensions.EXT_separate_shader_objects = GL_FALSE;
+
    ctx->Extensions.EXT_texture_env_dot3 = GL_TRUE;
    ctx->Extensions.EXT_vertex_array_bgra = 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 32bc2b37b..64e0a8a46 100644
--- a/mesalib/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
+++ b/mesalib/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
@@ -5271,15 +5271,11 @@ st_link_shader(struct gl_context *ctx, struct gl_shader_program *prog)
       linked_prog = get_mesa_program(ctx, prog, prog->_LinkedShaders[i]);
 
       if (linked_prog) {
-	 static const GLenum targets[] = {
-	    GL_VERTEX_PROGRAM_ARB,
-	    GL_FRAGMENT_PROGRAM_ARB,
-	    GL_GEOMETRY_PROGRAM_NV
-	 };
-
 	 _mesa_reference_program(ctx, &prog->_LinkedShaders[i]->Program,
 				 linked_prog);
-         if (!ctx->Driver.ProgramStringNotify(ctx, targets[i], linked_prog)) {
+         if (!ctx->Driver.ProgramStringNotify(ctx,
+                                              _mesa_program_index_to_target(i),
+                                              linked_prog)) {
 	    _mesa_reference_program(ctx, &prog->_LinkedShaders[i]->Program,
 				    NULL);
             _mesa_reference_program(ctx, &linked_prog, NULL);