Merge remote-tracking branch 'origin/released'

* origin/released:
  libxtrans fontconfig mesa xserver pixman xkbcomp git update 4 nov 2013

Conflicts:
	xorg-server/Xext/shm.c
	xorg-server/os/xstrans.c

13 files changed, 102 insertions, 12 deletions

diff --git a/mesalib/src/mesa/main/dd.h b/mesalib/src/mesa/main/dd.h
index 501192199..d7c432713 100644
--- a/mesalib/src/mesa/main/dd.h
+++ b/mesalib/src/mesa/main/dd.h
@@ -843,6 +843,14 @@ struct dd_function_table {
                                    struct gl_transform_feedback_object *obj);
 
    /**
+    * Return the number of vertices written to a stream during the last
+    * Begin/EndTransformFeedback block.
+    */
+   GLsizei (*GetTransformFeedbackVertexCount)(struct gl_context *ctx,
+                                              struct gl_transform_feedback_object *obj,
+                                              GLuint stream);
+
+   /**
     * \name GL_NV_texture_barrier interface
     */
    void (*TextureBarrier)(struct gl_context *ctx);
diff --git a/mesalib/src/mesa/main/enable.c b/mesalib/src/mesa/main/enable.c
index 5e2fd80d2..dd6a772f9 100644
--- a/mesalib/src/mesa/main/enable.c
+++ b/mesalib/src/mesa/main/enable.c
@@ -802,6 +802,17 @@ _mesa_set_enable(struct gl_context *ctx, GLenum cap, GLboolean state)
          ctx->Multisample.SampleCoverageInvert = state;
          break;
 
+      /* GL_ARB_sample_shading */
+      case GL_SAMPLE_SHADING:
+         if (!_mesa_is_desktop_gl(ctx))
+            goto invalid_enum_error;
+         CHECK_EXTENSION(ARB_sample_shading, cap);
+         if (ctx->Multisample.SampleShading == state)
+            return;
+         FLUSH_VERTICES(ctx, _NEW_MULTISAMPLE);
+         ctx->Multisample.SampleShading = state;
+         break;
+
       /* GL_IBM_rasterpos_clip */
       case GL_RASTER_POSITION_UNCLIPPED_IBM:
          if (ctx->API != API_OPENGL_COMPAT)
@@ -1594,6 +1605,13 @@ _mesa_IsEnabled( GLenum cap )
          CHECK_EXTENSION(ARB_texture_multisample);
          return ctx->Multisample.SampleMask;
 
+      /* ARB_sample_shading */
+      case GL_SAMPLE_SHADING:
+         if (!_mesa_is_desktop_gl(ctx))
+            goto invalid_enum_error;
+         CHECK_EXTENSION(ARB_sample_shading);
+         return ctx->Multisample.SampleShading;
+
       default:
          goto invalid_enum_error;
    }
diff --git a/mesalib/src/mesa/main/extensions.c b/mesalib/src/mesa/main/extensions.c
index 285ec377c..48c4e9f1b 100644
--- a/mesalib/src/mesa/main/extensions.c
+++ b/mesalib/src/mesa/main/extensions.c
@@ -118,6 +118,7 @@ static const struct extension extension_table[] = {
    { "GL_ARB_point_sprite",                        o(ARB_point_sprite),                        GL,             2003 },
    { "GL_ARB_provoking_vertex",                    o(EXT_provoking_vertex),                    GL,             2009 },
    { "GL_ARB_robustness",                          o(dummy_true),                              GL,             2010 },
+   { "GL_ARB_sample_shading",                      o(ARB_sample_shading),                      GL,             2009 },
    { "GL_ARB_sampler_objects",                     o(dummy_true),                              GL,             2009 },
    { "GL_ARB_seamless_cube_map",                   o(ARB_seamless_cube_map),                   GL,             2009 },
    { "GL_ARB_shader_atomic_counters",              o(ARB_shader_atomic_counters),              GL,             2011 },
diff --git a/mesalib/src/mesa/main/get.c b/mesalib/src/mesa/main/get.c
index 6e72ff5c2..6a0de0c16 100644
--- a/mesalib/src/mesa/main/get.c
+++ b/mesalib/src/mesa/main/get.c
@@ -131,6 +131,7 @@ enum value_extra {
    EXTRA_VERSION_30,
    EXTRA_VERSION_31,
    EXTRA_VERSION_32,
+   EXTRA_VERSION_40,
    EXTRA_API_GL,
    EXTRA_API_GL_CORE,
    EXTRA_API_ES2,
@@ -391,6 +392,7 @@ extra_NV_primitive_restart[] = {
 static const int extra_version_30[] = { EXTRA_VERSION_30, EXTRA_END };
 static const int extra_version_31[] = { EXTRA_VERSION_31, EXTRA_END };
 static const int extra_version_32[] = { EXTRA_VERSION_32, EXTRA_END };
+static const int extra_version_40[] = { EXTRA_VERSION_40, EXTRA_END };
 
 static const int extra_gl30_es3[] = {
     EXTRA_VERSION_30,
@@ -410,6 +412,12 @@ static const int extra_gl32_ARB_geometry_shader4[] = {
     EXTRA_END
 };
 
+static const int extra_gl40_ARB_sample_shading[] = {
+   EXTRA_VERSION_40,
+   EXT(ARB_sample_shading),
+   EXTRA_END
+};
+
 static const int
 extra_ARB_vertex_program_api_es2[] = {
    EXT(ARB_vertex_program),
diff --git a/mesalib/src/mesa/main/get_hash_params.py b/mesalib/src/mesa/main/get_hash_params.py
index 9f79f3406..0851b7b70 100644
--- a/mesalib/src/mesa/main/get_hash_params.py
+++ b/mesalib/src/mesa/main/get_hash_params.py
@@ -83,6 +83,9 @@ descriptor=[
   [ "SAMPLE_BUFFERS_ARB", "BUFFER_INT(Visual.sampleBuffers), extra_new_buffers" ],
   [ "SAMPLES_ARB", "BUFFER_INT(Visual.samples), extra_new_buffers" ],
 
+# GL_ARB_sample_shading
+  [ "MIN_SAMPLE_SHADING_VALUE_ARB", "CONTEXT_FLOAT(Multisample.MinSampleShadingValue), extra_gl40_ARB_sample_shading" ],
+
 # GL_SGIS_generate_mipmap
   [ "GENERATE_MIPMAP_HINT_SGIS", "CONTEXT_ENUM(Hint.GenerateMipmap), NO_EXTRA" ],
 
diff --git a/mesalib/src/mesa/main/mtypes.h b/mesalib/src/mesa/main/mtypes.h
index a1a5eb4bf..b5c5583d6 100644
--- a/mesalib/src/mesa/main/mtypes.h
+++ b/mesalib/src/mesa/main/mtypes.h
@@ -274,6 +274,11 @@ typedef enum
 #define VARYING_BIT_VAR(V) BITFIELD64_BIT(VARYING_SLOT_VAR0 + (V))
 /*@}*/
 
+/**
+ * Bitflags for system values.
+ */
+#define SYSTEM_BIT_SAMPLE_ID BITFIELD64_BIT(SYSTEM_VALUE_SAMPLE_ID)
+#define SYSTEM_BIT_SAMPLE_POS BITFIELD64_BIT(SYSTEM_VALUE_SAMPLE_POS)
 
 /**
  * Determine if the given gl_varying_slot appears in the fragment shader.
@@ -306,12 +311,13 @@ typedef enum
     * register is written.  No FRAG_RESULT_DATAn will be written.
     */
    FRAG_RESULT_COLOR = 2,
+   FRAG_RESULT_SAMPLE_MASK = 3,
 
    /* FRAG_RESULT_DATAn are the per-render-target (GLSL gl_FragData[n]
     * or ARB_fragment_program fragment.color[n]) color results.  If
     * any are written, FRAG_RESULT_COLOR will not be written.
     */
-   FRAG_RESULT_DATA0 = 3,
+   FRAG_RESULT_DATA0 = 4,
    FRAG_RESULT_MAX = (FRAG_RESULT_DATA0 + MAX_DRAW_BUFFERS)
 } gl_frag_result;
 
@@ -872,6 +878,8 @@ struct gl_multisample_attrib
    GLboolean SampleCoverage;
    GLfloat SampleCoverageValue;
    GLboolean SampleCoverageInvert;
+   GLboolean SampleShading;
+   GLfloat MinSampleShadingValue;
 
    /* ARB_texture_multisample / GL3.2 additions */
    GLboolean SampleMask;
@@ -1902,6 +1910,8 @@ typedef enum
    SYSTEM_VALUE_FRONT_FACE,  /**< Fragment shader only (not done yet) */
    SYSTEM_VALUE_VERTEX_ID,   /**< Vertex shader only */
    SYSTEM_VALUE_INSTANCE_ID, /**< Vertex shader only */
+   SYSTEM_VALUE_SAMPLE_ID,   /**< Fragment shader only */
+   SYSTEM_VALUE_SAMPLE_POS,  /**< Fragment shader only */
    SYSTEM_VALUE_MAX          /**< Number of values */
 } gl_system_value;
 
@@ -3156,6 +3166,12 @@ struct gl_constants
     */
    GLboolean PrimitiveRestartInSoftware;
 
+   /**
+    * Always use the GetTransformFeedbackVertexCount() driver hook, rather
+    * than passing the transform feedback object to the drawing function.
+    */
+   GLboolean AlwaysUseGetTransformFeedbackVertexCount;
+
    /** GL_ARB_map_buffer_alignment */
    GLuint MinMapBufferAlignment;
 
@@ -3239,6 +3255,7 @@ struct gl_extensions
    GLboolean ARB_occlusion_query;
    GLboolean ARB_occlusion_query2;
    GLboolean ARB_point_sprite;
+   GLboolean ARB_sample_shading;
    GLboolean ARB_seamless_cube_map;
    GLboolean ARB_shader_atomic_counters;
    GLboolean ARB_shader_bit_encoding;
diff --git a/mesalib/src/mesa/main/multisample.c b/mesalib/src/mesa/main/multisample.c
index bd97c5096..599cdee74 100644
--- a/mesalib/src/mesa/main/multisample.c
+++ b/mesalib/src/mesa/main/multisample.c
@@ -119,6 +119,24 @@ _mesa_SampleMaski(GLuint index, GLbitfield mask)
    ctx->Multisample.SampleMaskValue = mask;
 }
 
+/**
+ * Called via glMinSampleShadingARB
+ */
+void GLAPIENTRY
+_mesa_MinSampleShading(GLclampf value)
+{
+   GET_CURRENT_CONTEXT(ctx);
+
+   if (!ctx->Extensions.ARB_sample_shading || !_mesa_is_desktop_gl(ctx)) {
+      _mesa_error(ctx, GL_INVALID_OPERATION, "glMinSampleShading");
+      return;
+   }
+
+   FLUSH_VERTICES(ctx, 0);
+
+   ctx->Multisample.MinSampleShadingValue = CLAMP(value, 0.0, 1.0);
+   ctx->NewState |= _NEW_MULTISAMPLE;
+}
 
 /**
  * Helper for checking a requested sample count against the limit
diff --git a/mesalib/src/mesa/main/multisample.h b/mesalib/src/mesa/main/multisample.h
index 66848d269..7441d3ee9 100644
--- a/mesalib/src/mesa/main/multisample.h
+++ b/mesalib/src/mesa/main/multisample.h
@@ -44,6 +44,8 @@ _mesa_GetMultisamplefv(GLenum pname, GLuint index, GLfloat* val);
 extern void GLAPIENTRY
 _mesa_SampleMaski(GLuint index, GLbitfield mask);
 
+extern void GLAPIENTRY
+_mesa_MinSampleShading(GLclampf value);
 
 extern GLenum
 _mesa_check_sample_count(struct gl_context *ctx, GLenum target,
diff --git a/mesalib/src/mesa/main/performance_monitor.c b/mesalib/src/mesa/main/performance_monitor.c
index 8dfa8261e..17cae5183 100644
--- a/mesalib/src/mesa/main/performance_monitor.c
+++ b/mesalib/src/mesa/main/performance_monitor.c
@@ -127,7 +127,7 @@ _mesa_GetPerfMonitorGroupsAMD(GLint *numGroups, GLsizei groupsSize,
 
    if (groupsSize > 0 && groups != NULL) {
       unsigned i;
-      unsigned n = MIN2(groupsSize, ctx->PerfMonitor.NumGroups);
+      unsigned n = MIN2((GLuint) groupsSize, ctx->PerfMonitor.NumGroups);
 
       /* We just use the index in the Groups array as the ID. */
       for (i = 0; i < n; i++)
@@ -156,7 +156,7 @@ _mesa_GetPerfMonitorCountersAMD(GLuint group, GLint *numCounters,
 
    if (counters != NULL) {
       unsigned i;
-      unsigned n = MIN2(group_obj->NumCounters, countersSize);
+      unsigned n = MIN2(group_obj->NumCounters, (GLuint) countersSize);
       for (i = 0; i < n; i++) {
          /* We just use the index in the Counters array as the ID. */
          counters[i] = i;
@@ -379,7 +379,7 @@ _mesa_SelectPerfMonitorCountersAMD(GLuint monitor, GLboolean enable,
                                    GLuint *counterList)
 {
    GET_CURRENT_CONTEXT(ctx);
-   unsigned i;
+   int i;
    struct gl_perf_monitor_object *m;
    const struct gl_perf_monitor_group *group_obj;
 
diff --git a/mesalib/src/mesa/main/transformfeedback.c b/mesalib/src/mesa/main/transformfeedback.c
index bc9b52ab9..76d213b16 100644
--- a/mesalib/src/mesa/main/transformfeedback.c
+++ b/mesalib/src/mesa/main/transformfeedback.c
@@ -205,17 +205,27 @@ _mesa_free_transform_feedback(struct gl_context *ctx)
 }
 
 
+/** Initialize the fields of a gl_transform_feedback_object. */
+void
+_mesa_init_transform_feedback_object(struct gl_transform_feedback_object *obj,
+                                     GLuint name)
+{
+   if (!obj)
+      return;
+
+   obj->Name = name;
+   obj->RefCount = 1;
+   obj->EverBound = GL_FALSE;
+}
+
+
 /** Default fallback for ctx->Driver.NewTransformFeedback() */
 static struct gl_transform_feedback_object *
 new_transform_feedback(struct gl_context *ctx, GLuint name)
 {
    struct gl_transform_feedback_object *obj;
    obj = CALLOC_STRUCT(gl_transform_feedback_object);
-   if (obj) {
-      obj->Name = name;
-      obj->RefCount = 1;
-      obj->EverBound = GL_FALSE;
-   }
+   _mesa_init_transform_feedback_object(obj, name);
    return obj;
 }
 
diff --git a/mesalib/src/mesa/main/transformfeedback.h b/mesalib/src/mesa/main/transformfeedback.h
index 0ffaab508..7aecd66a7 100644
--- a/mesalib/src/mesa/main/transformfeedback.h
+++ b/mesalib/src/mesa/main/transformfeedback.h
@@ -91,6 +91,9 @@ _mesa_GetTransformFeedbackVarying(GLuint program, GLuint index,
 
 
 /*** GL_ARB_transform_feedback2 ***/
+extern void
+_mesa_init_transform_feedback_object(struct gl_transform_feedback_object *obj,
+                                     GLuint name);
 
 struct gl_transform_feedback_object *
 _mesa_lookup_transform_feedback_object(struct gl_context *ctx, GLuint name);
diff --git a/mesalib/src/mesa/main/uniforms.c b/mesalib/src/mesa/main/uniforms.c
index 2e847fe31..17e24f678 100644
--- a/mesalib/src/mesa/main/uniforms.c
+++ b/mesalib/src/mesa/main/uniforms.c
@@ -853,7 +853,7 @@ _mesa_GetActiveAtomicCounterBufferiv(GLuint program, GLuint bufferIndex,
    GET_CURRENT_CONTEXT(ctx);
    struct gl_shader_program *shProg;
    struct gl_active_atomic_buffer *ab;
-   int i;
+   GLuint i;
 
    if (!ctx->Extensions.ARB_shader_atomic_counters) {
       _mesa_error(ctx, GL_INVALID_OPERATION,
diff --git a/mesalib/src/mesa/main/vdpau.c b/mesalib/src/mesa/main/vdpau.c
index e21a26b43..359757607 100644
--- a/mesalib/src/mesa/main/vdpau.c
+++ b/mesalib/src/mesa/main/vdpau.c
@@ -324,7 +324,7 @@ void GLAPIENTRY
 _mesa_VDPAUMapSurfacesNV(GLsizei numSurfaces, const GLintptr *surfaces)
 {
    GET_CURRENT_CONTEXT(ctx);
-   int i, j;
+   int i;
 
    if (!ctx->vdpDevice || !ctx->vdpGetProcAddress || !ctx->vdpSurfaces) {
       _mesa_error(ctx, GL_INVALID_OPERATION, "VDPAUUnmapSurfacesNV");
@@ -348,6 +348,7 @@ _mesa_VDPAUMapSurfacesNV(GLsizei numSurfaces, const GLintptr *surfaces)
    for (i = 0; i < numSurfaces; ++i) {
       struct vdp_surface *surf = (struct vdp_surface *)surfaces[i];
       unsigned numTextureNames = surf->output ? 1 : 4;
+      unsigned j;
 
       for (j = 0; j < numTextureNames; ++j) {
          struct gl_texture_object *tex = surf->textures[j];
@@ -377,7 +378,7 @@ void GLAPIENTRY
 _mesa_VDPAUUnmapSurfacesNV(GLsizei numSurfaces, const GLintptr *surfaces)
 {
    GET_CURRENT_CONTEXT(ctx);
-   int i, j;
+   int i;
 
    if (!ctx->vdpDevice || !ctx->vdpGetProcAddress || !ctx->vdpSurfaces) {
       _mesa_error(ctx, GL_INVALID_OPERATION, "VDPAUUnmapSurfacesNV");
@@ -401,6 +402,7 @@ _mesa_VDPAUUnmapSurfacesNV(GLsizei numSurfaces, const GLintptr *surfaces)
    for (i = 0; i < numSurfaces; ++i) {
       struct vdp_surface *surf = (struct vdp_surface *)surfaces[i];
       unsigned numTextureNames = surf->output ? 1 : 4;
+      unsigned j;
 
       for (j = 0; j < numTextureNames; ++j) {
          struct gl_texture_object *tex = surf->textures[j];