Merge remote-tracking branch 'origin/released'

12 files changed, 198 insertions, 85 deletions

diff --git a/mesalib/src/gallium/auxiliary/util/u_blitter.c b/mesalib/src/gallium/auxiliary/util/u_blitter.c
index 44295c136..35b8edba7 100644
--- a/mesalib/src/gallium/auxiliary/util/u_blitter.c
+++ b/mesalib/src/gallium/auxiliary/util/u_blitter.c
@@ -1213,6 +1213,21 @@ void util_blitter_copy_texture_view(struct blitter_context *blitter,
       pipe->bind_fragment_sampler_states(pipe, 2, samplers);
 
       pipe_sampler_view_reference(&views[1], NULL);
+   } else if (blit_stencil) {
+      /* Set a stencil-only sampler view for it not to sample depth instead. */
+      struct pipe_sampler_view templ;
+      struct pipe_sampler_view *view;
+
+      templ = *src;
+      templ.format = util_format_stencil_only(templ.format);
+      assert(templ.format != PIPE_FORMAT_NONE);
+
+      view = pipe->create_sampler_view(pipe, src->texture, &templ);
+
+      pipe->set_fragment_sampler_views(pipe, 1, &view);
+      pipe->bind_fragment_sampler_states(pipe, 1, &ctx->sampler_state);
+
+      pipe_sampler_view_reference(&view, NULL);
    } else {
       pipe->set_fragment_sampler_views(pipe, 1, &src);
       pipe->bind_fragment_sampler_states(pipe, 1, &ctx->sampler_state);
diff --git a/mesalib/src/glsl/ast_to_hir.cpp b/mesalib/src/glsl/ast_to_hir.cpp
index 02fe66b60..5157661b3 100644
--- a/mesalib/src/glsl/ast_to_hir.cpp
+++ b/mesalib/src/glsl/ast_to_hir.cpp
@@ -2086,9 +2086,24 @@ apply_type_qualifier_to_variable(const struct ast_type_qualifier *qual,
 	 } else {
 	    var->location = qual->location;
 	 }
+
 	 if (qual->flags.q.explicit_index) {
-	    var->explicit_index = true;
-	    var->index = qual->index;
+            /* From the GLSL 4.30 specification, section 4.4.2 (Output
+             * Layout Qualifiers):
+             *
+             * "It is also a compile-time error if a fragment shader
+             *  sets a layout index to less than 0 or greater than 1."
+             *
+             * Older specifications don't mandate a behavior; we take
+             * this as a clarification and always generate the error.
+             */
+            if (qual->index < 0 || qual->index > 1) {
+               _mesa_glsl_error(loc, state,
+                                "explicit index may only be 0 or 1\n");
+            } else {
+               var->explicit_index = true;
+               var->index = qual->index;
+            }
 	 }
       }
    } else if (qual->flags.q.explicit_index) {
diff --git a/mesalib/src/glsl/link_uniforms.cpp b/mesalib/src/glsl/link_uniforms.cpp
index 5d701e75e..118bfae68 100644
--- a/mesalib/src/glsl/link_uniforms.cpp
+++ b/mesalib/src/glsl/link_uniforms.cpp
@@ -572,8 +572,11 @@ link_assign_uniform_locations(struct gl_shader_program *prog)
 
 	 /* FINISHME: Update code to process built-in uniforms!
 	  */
-	 if (strncmp("gl_", var->name, 3) == 0)
+	 if (strncmp("gl_", var->name, 3) == 0) {
+	    uniform_size.num_shader_uniform_components +=
+	       var->type->component_slots();
 	    continue;
+	 }
 
 	 uniform_size.process(var);
       }
diff --git a/mesalib/src/mapi/glapi/gen/glX_proto_send.py b/mesalib/src/mapi/glapi/gen/glX_proto_send.py
index d42f661ea..34aa2c31f 100644
--- a/mesalib/src/mapi/glapi/gen/glX_proto_send.py
+++ b/mesalib/src/mapi/glapi/gen/glX_proto_send.py
@@ -423,9 +423,9 @@ __indirect_get_proc_address(const char *name)
 				print ''
 				print '#if defined(GLX_DIRECT_RENDERING) && !defined(GLX_USE_APPLEGL)'
 				print '    if (gc->isDirect) {'
-				print '        const _glapi_proc *const table = GET_DISPATCH();'
+				print '        const _glapi_proc *const disp_table = GET_DISPATCH();'
 				print '        PFNGL%sPROC p =' % (name.upper())
-				print '            (PFNGL%sPROC) table[%d];' % (name.upper(), func.offset)
+				print '            (PFNGL%sPROC) disp_table[%d];' % (name.upper(), func.offset)
 				print '    %sp(%s);' % (ret_string, func.get_called_parameter_string())
 				print '    } else'
 				print '#endif'
diff --git a/mesalib/src/mesa/main/extensions.c b/mesalib/src/mesa/main/extensions.c
index 36e1fcf62..e6f4541f0 100644
--- a/mesalib/src/mesa/main/extensions.c
+++ b/mesalib/src/mesa/main/extensions.c
@@ -927,7 +927,7 @@ _mesa_get_extension_count(struct gl_context *ctx)
 
    base = (GLboolean *) &ctx->Extensions;
    for (i = extension_table; i->name != 0; ++i) {
-      if (base[i->offset]) {
+      if (base[i->offset] && (i->api_set & (1 << ctx->API))) {
 	 ctx->Extensions.Count++;
       }
    }
@@ -947,10 +947,11 @@ _mesa_get_enabled_extension(struct gl_context *ctx, GLuint index)
    base = (GLboolean*) &ctx->Extensions;
    n = 0;
    for (i = extension_table; i->name != 0; ++i) {
-      if (n == index && base[i->offset]) {
-	 return (const GLubyte*) i->name;
-      } else if (base[i->offset]) {
-	 ++n;
+      if (base[i->offset] & (i->api_set & (1 << ctx->API))) {
+         if (n == index)
+            return (const GLubyte*) i->name;
+         else
+            ++n;
       }
    }
 
diff --git a/mesalib/src/mesa/main/fbobject.c b/mesalib/src/mesa/main/fbobject.c
index 59a5ec32d..abc9d83a6 100644
--- a/mesalib/src/mesa/main/fbobject.c
+++ b/mesalib/src/mesa/main/fbobject.c
@@ -2979,8 +2979,8 @@ _mesa_BlitFramebufferEXT(GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1,
    /* extra checks for multisample copies... */
    if (readFb->Visual.samples > 0 || drawFb->Visual.samples > 0) {
       /* src and dest region sizes must be the same */
-      if (srcX1 - srcX0 != dstX1 - dstX0 ||
-          srcY1 - srcY0 != dstY1 - dstY0) {
+      if (abs(srcX1 - srcX0) != abs(dstX1 - dstX0) ||
+          abs(srcY1 - srcY0) != abs(dstY1 - dstY0)) {
          _mesa_error(ctx, GL_INVALID_OPERATION,
                 "glBlitFramebufferEXT(bad src/dst multisample region sizes)");
          return;
diff --git a/mesalib/src/mesa/main/get.c b/mesalib/src/mesa/main/get.c
index 24d2a18fe..6800cc353 100644
--- a/mesalib/src/mesa/main/get.c
+++ b/mesalib/src/mesa/main/get.c
@@ -789,6 +789,15 @@ static const struct value_desc values[] = {
 
 #endif /* FEATURE_GL || FEATURE_ES2 */
 
+#if FEATURE_ES1 || FEATURE_ES2
+   { 0, 0, TYPE_API_MASK, API_OPENGLES | API_OPENGLES2_BIT, NO_EXTRA },
+   /* GL_OES_EGL_image_external */
+   { GL_TEXTURE_BINDING_EXTERNAL_OES, LOC_CUSTOM,
+     TYPE_INT, TEXTURE_EXTERNAL_INDEX, extra_OES_EGL_image_external },
+   { GL_TEXTURE_EXTERNAL_OES, LOC_CUSTOM,
+     TYPE_BOOLEAN, 0, extra_OES_EGL_image_external },
+#endif
+
 #if FEATURE_ES2
    /* Enums unique to OpenGL ES 2.0 */
    { 0, 0, TYPE_API_MASK, API_OPENGLES2_BIT, NO_EXTRA },
@@ -801,12 +810,6 @@ static const struct value_desc values[] = {
    { GL_SHADER_BINARY_FORMATS, CONST(0), NO_EXTRA },
 #endif /* FEATURE_ES2 */
 
-   /* GL_OES_EGL_image_external */
-   { GL_TEXTURE_BINDING_EXTERNAL_OES, LOC_CUSTOM,
-     TYPE_INT, TEXTURE_EXTERNAL_INDEX, extra_OES_EGL_image_external },
-   { GL_TEXTURE_EXTERNAL_OES, LOC_CUSTOM,
-     TYPE_BOOLEAN, 0, extra_OES_EGL_image_external },
-
 #if FEATURE_GL
    /* Remaining enums are only in OpenGL */
    { 0, 0, TYPE_API_MASK, API_OPENGL_BIT | API_OPENGL_CORE_BIT, NO_EXTRA },
@@ -1398,29 +1401,29 @@ print_table_stats(void)
 
    for (i = 0; i < Elements(table); i++) {
       if (!table[i])
-	 continue;
+         continue;
       count++;
       d = &values[table[i]];
       hash = (d->pname * prime_factor);
       j = 0;
       while (1) {
-	 if (values[table[hash & mask]].pname == d->pname)
-	    break;
-	 hash += prime_step;
-	 j++;
+         if (values[table[hash & mask]].pname == d->pname)
+            break;
+         hash += prime_step;
+         j++;
       }
 
       if (j < 10)
-	 collisions[j]++;
+         collisions[j]++;
       else
-	 collisions[10]++;
+         collisions[10]++;
    }
 
    printf("number of enums: %d (total %d)\n", count, Elements(values));
    for (i = 0; i < Elements(collisions) - 1; i++)
       if (collisions[i] > 0)
-	 printf("  %d enums with %d %scollisions\n",
-		collisions[i], i, i == 10 ? "or more " : "");
+         printf("  %d enums with %d %scollisions\n",
+               collisions[i], i, i == 10 ? "or more " : "");
 }
 #endif
 
@@ -1442,20 +1445,20 @@ void _mesa_init_get_hash(struct gl_context *ctx)
 
    for (i = 0; i < Elements(values); i++) {
       if (values[i].type == TYPE_API_MASK) {
-	 api_mask = values[i].offset;
-	 continue;
+         api_mask = values[i].offset;
+         continue;
       }
       if (!(api_mask & api_bit))
-	 continue;
+         continue;
 
       hash = (values[i].pname * prime_factor) & mask;
       while (1) {
-	 index = hash & mask;
-	 if (!table[index]) {
-	    table[index] = i;
-	    break;
-	 }
-	 hash += prime_step;
+         index = hash & mask;
+         if (!table[index]) {
+            table[index] = i;
+            break;
+         }
+         hash += prime_step;
       }
    }
 
@@ -1992,13 +1995,13 @@ find_value(const char *func, GLenum pname, void **p, union value *v)
       /* If the enum isn't valid, the hash walk ends with index 0,
        * which is the API mask entry at the beginning of values[]. */
       if (unlikely(d->type == TYPE_API_MASK)) {
-	 _mesa_error(ctx, GL_INVALID_ENUM, "%s(pname=%s)", func,
-                     _mesa_lookup_enum_by_nr(pname));
-	 return &error_value;
+         _mesa_error(ctx, GL_INVALID_ENUM, "%s(pname=%s)", func,
+               _mesa_lookup_enum_by_nr(pname));
+         return &error_value;
       }
 
       if (likely(d->pname == pname))
-	 break;
+         break;
 
       hash += prime_step;
    }
diff --git a/mesalib/src/mesa/main/imports.h b/mesalib/src/mesa/main/imports.h
index abf216c99..81da51047 100644
--- a/mesalib/src/mesa/main/imports.h
+++ b/mesalib/src/mesa/main/imports.h
@@ -520,6 +520,28 @@ extern unsigned int
 _mesa_bitcount_64(uint64_t n);
 #endif
 
+/**
+ * Find the last (most significant) bit set in a word.
+ *
+ * Essentially ffs() in the reverse direction.
+ */
+static inline unsigned int
+_mesa_fls(unsigned int n)
+{
+#if defined(__GNUC__) && ((__GNUC__ * 100 + __GNUC_MINOR__) >= 304)
+   return n == 0 ? 0 : 32 - __builtin_clz(n);
+#else
+   unsigned int v = 1;
+
+   if (n == 0)
+      return 0;
+
+   while (n >>= 1)
+       v++;
+
+   return v;
+#endif
+}
 
 extern GLhalfARB
 _mesa_float_to_half(float f);
diff --git a/mesalib/src/mesa/main/teximage.c b/mesalib/src/mesa/main/teximage.c
index 3cf74f295..02bd87ac6 100644
--- a/mesalib/src/mesa/main/teximage.c
+++ b/mesalib/src/mesa/main/teximage.c
@@ -660,8 +660,8 @@ _mesa_is_proxy_texture(GLenum target)
 /**
  * Return the proxy target which corresponds to the given texture target
  */
-static GLenum
-get_proxy_target(GLenum target)
+GLenum
+_mesa_get_proxy_target(GLenum target)
 {
    switch (target) {
    case GL_TEXTURE_1D:
@@ -692,7 +692,7 @@ get_proxy_target(GLenum target)
    case GL_PROXY_TEXTURE_2D_ARRAY_EXT:
       return GL_PROXY_TEXTURE_2D_ARRAY_EXT;
    default:
-      _mesa_problem(NULL, "unexpected target in get_proxy_target()");
+      _mesa_problem(NULL, "unexpected target in _mesa_get_proxy_target()");
       return 0;
    }
 }
@@ -1703,7 +1703,7 @@ texture_error_check( struct gl_context *ctx,
                      GLint width, GLint height,
                      GLint depth, GLint border )
 {
-   const GLenum proxyTarget = get_proxy_target(target);
+   const GLenum proxyTarget = _mesa_get_proxy_target(target);
    const GLboolean isProxy = target == proxyTarget;
    GLboolean sizeOK = GL_TRUE;
    GLboolean colorFormat;
@@ -1933,7 +1933,7 @@ compressed_texture_error_check(struct gl_context *ctx, GLint dimensions,
                                GLsizei height, GLsizei depth, GLint border,
                                GLsizei imageSize)
 {
-   const GLenum proxyTarget = get_proxy_target(target);
+   const GLenum proxyTarget = _mesa_get_proxy_target(target);
    const GLint maxLevels = _mesa_max_texture_levels(ctx, target);
    GLint expectedSize;
    GLenum choose_format;
@@ -2308,7 +2308,7 @@ copytexture_error_check( struct gl_context *ctx, GLuint dimensions,
                          GLenum target, GLint level, GLint internalFormat,
                          GLint width, GLint height, GLint border )
 {
-   const GLenum proxyTarget = get_proxy_target(target);
+   const GLenum proxyTarget = _mesa_get_proxy_target(target);
    const GLenum type = GL_FLOAT;
    GLboolean sizeOK;
    GLint baseFormat;
diff --git a/mesalib/src/mesa/main/teximage.h b/mesalib/src/mesa/main/teximage.h
index feaaf0cba..36fd1c2bc 100644
--- a/mesalib/src/mesa/main/teximage.h
+++ b/mesalib/src/mesa/main/teximage.h
@@ -66,6 +66,8 @@ _mesa_base_tex_format( struct gl_context *ctx, GLint internalFormat );
 extern GLboolean
 _mesa_is_proxy_texture(GLenum target);
 
+extern GLenum
+_mesa_get_proxy_target(GLenum target);
 
 extern struct gl_texture_image *
 _mesa_new_texture_image( struct gl_context *ctx );
diff --git a/mesalib/src/mesa/main/texstorage.c b/mesalib/src/mesa/main/texstorage.c
index f8af8bf01..f8a939794 100644
--- a/mesalib/src/mesa/main/texstorage.c
+++ b/mesalib/src/mesa/main/texstorage.c
@@ -192,9 +192,10 @@ setup_texstorage(struct gl_context *ctx,
 
          return;
       }
-   }
 
-   texObj->Immutable = GL_TRUE;
+      /* Only set this field for non-proxy texture objects */
+      texObj->Immutable = GL_TRUE;
+   }
 }
 
 
@@ -242,25 +243,68 @@ tex_storage_error_check(struct gl_context *ctx, GLuint dims, GLenum target,
                         GLsizei levels, GLenum internalformat,
                         GLsizei width, GLsizei height, GLsizei depth)
 {
-   const GLboolean isProxy = _mesa_is_proxy_texture(target);
    struct gl_texture_object *texObj;
    GLuint maxDim;
+   GLboolean legalFormat;
+
+   /* check internal format - note that only sized formats are allowed */
+   switch (internalformat) {
+   case GL_ALPHA:
+   case GL_LUMINANCE:
+   case GL_LUMINANCE_ALPHA:
+   case GL_INTENSITY:
+   case GL_RED:
+   case GL_RG:
+   case GL_RGB:
+   case GL_RGBA:
+   case GL_BGRA:
+   case GL_DEPTH_COMPONENT:
+   case GL_DEPTH_STENCIL:
+   case GL_COMPRESSED_ALPHA:
+   case GL_COMPRESSED_LUMINANCE_ALPHA:
+   case GL_COMPRESSED_LUMINANCE:
+   case GL_COMPRESSED_INTENSITY:
+   case GL_COMPRESSED_RGB:
+   case GL_COMPRESSED_RGBA:
+   case GL_COMPRESSED_SRGB:
+   case GL_COMPRESSED_SRGB_ALPHA:
+   case GL_COMPRESSED_SLUMINANCE:
+   case GL_COMPRESSED_SLUMINANCE_ALPHA:
+   case GL_RED_INTEGER:
+   case GL_GREEN_INTEGER:
+   case GL_BLUE_INTEGER:
+   case GL_ALPHA_INTEGER:
+   case GL_RGB_INTEGER:
+   case GL_RGBA_INTEGER:
+   case GL_BGR_INTEGER:
+   case GL_BGRA_INTEGER:
+   case GL_LUMINANCE_INTEGER_EXT:
+   case GL_LUMINANCE_ALPHA_INTEGER_EXT:
+      /* these unsized formats are illegal */
+      legalFormat = GL_FALSE;
+      break;
+   default:
+      legalFormat = _mesa_base_tex_format(ctx, internalformat) > 0;
+   }
+
+   if (!legalFormat) {
+      _mesa_error(ctx, GL_INVALID_ENUM,
+                  "glTexStorage%uD(internalformat = %s)", dims,
+                  _mesa_lookup_enum_by_nr(internalformat));
+      return GL_TRUE;
+   }
 
    /* size check */
    if (width < 1 || height < 1 || depth < 1) {
-      if (!isProxy) {
-         _mesa_error(ctx, GL_INVALID_VALUE,
-                     "glTexStorage%uD(width, height or depth < 1)", dims);
-      }
+      _mesa_error(ctx, GL_INVALID_VALUE,
+                  "glTexStorage%uD(width, height or depth < 1)", dims);
       return GL_TRUE;
    }  
 
    /* levels check */
    if (levels < 1 || height < 1 || depth < 1) {
-      if (!isProxy) {
-         _mesa_error(ctx, GL_INVALID_VALUE, "glTexStorage%uD(levels < 1)",
-                     dims);
-      }
+      _mesa_error(ctx, GL_INVALID_VALUE, "glTexStorage%uD(levels < 1)",
+                  dims);
       return GL_TRUE;
    }  
 
@@ -274,40 +318,32 @@ tex_storage_error_check(struct gl_context *ctx, GLuint dims, GLenum target,
 
    /* check levels against maximum */
    if (levels > _mesa_max_texture_levels(ctx, target)) {
-      if (!isProxy) {
-         _mesa_error(ctx, GL_INVALID_OPERATION,
-                     "glTexStorage%uD(levels too large)", dims);
-      }
+      _mesa_error(ctx, GL_INVALID_OPERATION,
+                  "glTexStorage%uD(levels too large)", dims);
       return GL_TRUE;
    }
 
    /* check levels against width/height/depth */
    maxDim = MAX3(width, height, depth);
    if (levels > _mesa_logbase2(maxDim) + 1) {
-      if (!isProxy) {
-         _mesa_error(ctx, GL_INVALID_OPERATION,
-                     "glTexStorage%uD(too many levels for max texture dimension)",
-                     dims);
-      }
+      _mesa_error(ctx, GL_INVALID_OPERATION,
+                  "glTexStorage%uD(too many levels for max texture dimension)",
+                  dims);
       return GL_TRUE;
    }
 
    /* non-default texture object check */
    texObj = _mesa_get_current_tex_object(ctx, target);
-   if (!texObj || (texObj->Name == 0 && !isProxy)) {
-      if (!isProxy) {
-         _mesa_error(ctx, GL_INVALID_OPERATION,
-                     "glTexStorage%uD(texture object 0)", dims);
-      }
+   if (!texObj || (texObj->Name == 0)) {
+      _mesa_error(ctx, GL_INVALID_OPERATION,
+                  "glTexStorage%uD(texture object 0)", dims);
       return GL_TRUE;
    }
 
    /* Check if texObj->Immutable is set */
    if (texObj->Immutable) {
-      if (!isProxy) {
-         _mesa_error(ctx, GL_INVALID_OPERATION, "glTexStorage%uD(immutable)",
-                     dims);
-      }
+      _mesa_error(ctx, GL_INVALID_OPERATION, "glTexStorage%uD(immutable)",
+                  dims);
       return GL_TRUE;
    }
 
@@ -323,22 +359,38 @@ texstorage(GLuint dims, GLenum target, GLsizei levels, GLenum internalformat,
            GLsizei width, GLsizei height, GLsizei depth)
 {
    struct gl_texture_object *texObj;
-   GLboolean error;
+   GLboolean sizeOK;
+   GLenum proxyTarget = _mesa_get_proxy_target(target);
 
    GET_CURRENT_CONTEXT(ctx);
 
    texObj = _mesa_get_current_tex_object(ctx, target);
 
-   error = tex_storage_error_check(ctx, dims, target, levels,
-                                   internalformat, width, height, depth);
-   if (!error) {
+   if (tex_storage_error_check(ctx, dims, target, levels,
+                               internalformat, width, height, depth)) {
+      return; /* error was recorded */
+   }
+
+   sizeOK = ctx->Driver.TestProxyTexImage(ctx, proxyTarget, 0,
+                                          internalformat, GL_NONE, GL_NONE,
+                                          width, height, depth, 0);
+
+   if (!sizeOK) {
+      if (_mesa_is_proxy_texture(texObj->Target)) {
+         /* clear all image fields for [levels] */
+         clear_image_fields(ctx, dims, texObj);
+      }
+      else {
+         _mesa_error(ctx, GL_INVALID_VALUE,
+                     "glTexStorage%uD(invalid width, height or depth)",
+                     dims);
+         return;
+      }
+   }
+   else {
       setup_texstorage(ctx, texObj, dims, levels, internalformat,
                        width, height, depth);
    }
-   else if (_mesa_is_proxy_texture(target)) {
-      /* clear all image fields for [levels] */
-      clear_image_fields(ctx, dims, texObj);
-   }
 }
 
 
diff --git a/mesalib/src/mesa/main/version.h b/mesalib/src/mesa/main/version.h
index 5b2e85afd..f0ba6f267 100644
--- a/mesalib/src/mesa/main/version.h
+++ b/mesalib/src/mesa/main/version.h
@@ -33,9 +33,9 @@ struct gl_context;
 
 /* Mesa version */
 #define MESA_MAJOR 9
-#define MESA_MINOR 0
+#define MESA_MINOR 1
 #define MESA_PATCH 0
-#define MESA_VERSION_STRING "9.0-devel"
+#define MESA_VERSION_STRING "9.1-devel"
 
 /* To make version comparison easy */
 #define MESA_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))