mesa/st: leave current query enabled during glBlitFramebuffer
[mesa.git] / src / mesa / state_tracker / st_extensions.c
index 4dc47e5279405248cd366500460177230638945c..12ba82df342bd59e6dfdb406ec11bc703901ae1d 100644 (file)
@@ -1,6 +1,6 @@
 /**************************************************************************
  * 
- * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * Copyright 2007 VMware, Inc.
  * Copyright (c) 2008 VMware, Inc.
  * All Rights Reserved.
  * 
@@ -19,7 +19,7 @@
  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
- * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
@@ -29,7 +29,6 @@
 #include "main/imports.h"
 #include "main/context.h"
 #include "main/macros.h"
-#include "main/mfeatures.h"
 #include "main/version.h"
 
 #include "pipe/p_context.h"
 
 #include "st_context.h"
 #include "st_extensions.h"
+#include "st_format.h"
 
 
-static int _min(int a, int b)
+/*
+ * Note: we use these function rather than the MIN2, MAX2, CLAMP macros to
+ * avoid evaluating arguments (which are often function calls) more than once.
+ */
+
+static unsigned _min(unsigned a, unsigned b)
 {
    return (a < b) ? a : b;
 }
@@ -69,7 +74,8 @@ 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
       = _min(screen->get_param(screen, PIPE_CAP_MAX_TEXTURE_2D_LEVELS),
@@ -89,25 +95,6 @@ void st_init_limits(struct st_context *st)
    c->MaxArrayTextureLayers
       = screen->get_param(screen, PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS);
 
-   c->MaxTextureImageUnits
-      = _min(screen->get_shader_param(screen, PIPE_SHADER_FRAGMENT,
-                                      PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS),
-            MAX_TEXTURE_IMAGE_UNITS);
-
-   c->MaxVertexTextureImageUnits
-      = _min(screen->get_shader_param(screen, PIPE_SHADER_VERTEX,
-                                      PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS),
-             MAX_VERTEX_TEXTURE_IMAGE_UNITS);
-
-   c->MaxCombinedTextureImageUnits
-      = _min(screen->get_param(screen, PIPE_CAP_MAX_COMBINED_SAMPLERS),
-             MAX_COMBINED_TEXTURE_IMAGE_UNITS);
-
-   c->MaxTextureCoordUnits
-      = _min(c->MaxTextureImageUnits, MAX_TEXTURE_COORD_UNITS);
-
-   c->MaxTextureUnits = _min(c->MaxTextureImageUnits, c->MaxTextureCoordUnits);
-
    /* Define max viewport size and max renderbuffer size in terms of
     * max texture size (note: max tex RECT size = max tex 2D size).
     * If this isn't true for some hardware we'll need new PIPE_CAP_ queries.
@@ -116,9 +103,9 @@ void st_init_limits(struct st_context *st)
    c->MaxViewportHeight =
    c->MaxRenderbufferSize = c->MaxTextureRectSize;
 
-   c->MaxDrawBuffers
-      _clamp(screen->get_param(screen, PIPE_CAP_MAX_RENDER_TARGETS),
-              1, MAX_DRAW_BUFFERS);
+   c->MaxDrawBuffers = c->MaxColorAttachments =
+      _clamp(screen->get_param(screen, PIPE_CAP_MAX_RENDER_TARGETS),
+             1, MAX_DRAW_BUFFERS);
 
    c->MaxDualSourceDrawBuffers
       = _clamp(screen->get_param(screen, PIPE_CAP_MAX_DUAL_SOURCE_RENDER_TARGETS),
@@ -154,44 +141,72 @@ void st_init_limits(struct st_context *st)
    c->MaxTextureLodBias
       = screen->get_paramf(screen, PIPE_CAPF_MAX_TEXTURE_LOD_BIAS);
 
-   c->MaxDrawBuffers
-      = CLAMP(screen->get_param(screen, PIPE_CAP_MAX_RENDER_TARGETS),
-              1, MAX_DRAW_BUFFERS);
-
    c->QuadsFollowProvokingVertexConvention = screen->get_param(
       screen, PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION);
 
-   for (sh = 0; sh < MESA_SHADER_TYPES; ++sh) {
-      struct gl_shader_compiler_options *options =
-         &st->ctx->ShaderCompilerOptions[sh];
+   c->MaxUniformBlockSize =
+      screen->get_shader_param(screen, PIPE_SHADER_FRAGMENT,
+                               PIPE_SHADER_CAP_MAX_CONSTS) * 16;
+   if (c->MaxUniformBlockSize < 16384) {
+      can_ubo = FALSE;
+   }
+
+   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;
+         pc = &c->Program[MESA_SHADER_FRAGMENT];
+         options = &st->ctx->ShaderCompilerOptions[MESA_SHADER_FRAGMENT];
          break;
       case PIPE_SHADER_VERTEX:
-         pc = &c->VertexProgram;
+         pc = &c->Program[MESA_SHADER_VERTEX];
+         options = &st->ctx->ShaderCompilerOptions[MESA_SHADER_VERTEX];
          break;
       case PIPE_SHADER_GEOMETRY:
-         pc = &c->GeometryProgram;
+         pc = &c->Program[MESA_SHADER_GEOMETRY];
+         options = &st->ctx->ShaderCompilerOptions[MESA_SHADER_GEOMETRY];
          break;
       default:
-         assert(0);
+         /* compute shader, etc. */
          continue;
       }
 
-      pc->MaxNativeInstructions    = screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_MAX_INSTRUCTIONS);
-      pc->MaxNativeAluInstructions = screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS);
-      pc->MaxNativeTexInstructions = screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS);
-      pc->MaxNativeTexIndirections = screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS);
-      pc->MaxNativeAttribs         = screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_MAX_INPUTS);
-      pc->MaxNativeTemps           = screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_MAX_TEMPS);
-      pc->MaxNativeAddressRegs     = screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_MAX_ADDRS);
-      pc->MaxNativeParameters      = screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_MAX_CONSTS);
-      pc->MaxUniformComponents     = 4 * MIN2(pc->MaxNativeParameters, MAX_UNIFORMS);
-      /* raise MaxParameters if native support is higher */
-      pc->MaxParameters            = MAX2(pc->MaxParameters, pc->MaxNativeParameters);
+      pc->MaxTextureImageUnits =
+         _min(screen->get_shader_param(screen, sh,
+                                       PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS),
+              MAX_TEXTURE_IMAGE_UNITS);
+
+      pc->MaxInstructions    = pc->MaxNativeInstructions    =
+         screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_MAX_INSTRUCTIONS);
+      pc->MaxAluInstructions = pc->MaxNativeAluInstructions =
+         screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS);
+      pc->MaxTexInstructions = pc->MaxNativeTexInstructions =
+         screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS);
+      pc->MaxTexIndirections = pc->MaxNativeTexIndirections =
+         screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS);
+      pc->MaxAttribs         = pc->MaxNativeAttribs         =
+         screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_MAX_INPUTS);
+      pc->MaxTemps           = pc->MaxNativeTemps           =
+         screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_MAX_TEMPS);
+      pc->MaxAddressRegs     = pc->MaxNativeAddressRegs     =
+         _min(screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_MAX_ADDRS),
+              MAX_PROGRAM_ADDRESS_REGS);
+      pc->MaxParameters      = pc->MaxNativeParameters      =
+         screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_MAX_CONSTS);
+
+      pc->MaxUniformComponents = 4 * MIN2(pc->MaxNativeParameters, MAX_UNIFORMS);
+
+      pc->MaxUniformBlocks =
+         screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_MAX_CONST_BUFFERS);
+      if (pc->MaxUniformBlocks)
+         pc->MaxUniformBlocks -= 1; /* The first one is for ordinary uniforms. */
+      pc->MaxUniformBlocks = _min(pc->MaxUniformBlocks, MAX_UNIFORM_BUFFERS);
+
+      pc->MaxCombinedUniformComponents = (pc->MaxUniformComponents +
+                                          c->MaxUniformBlockSize / 4 *
+                                          pc->MaxUniformBlocks);
 
       /* Gallium doesn't really care about local vs. env parameters so use the
        * same limits.
@@ -218,6 +233,11 @@ void st_init_limits(struct st_context *st)
       options->EmitNoIndirectUniform = !screen->get_shader_param(screen, sh,
                                         PIPE_SHADER_CAP_INDIRECT_CONST_ADDR);
 
+      if (pc->MaxNativeInstructions &&
+          (options->EmitNoIndirectUniform || pc->MaxUniformBlocks < 12)) {
+         can_ubo = FALSE;
+      }
+
       if (options->EmitNoLoops)
          options->MaxUnrollIterations = MIN2(screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_MAX_INSTRUCTIONS), 65536);
       else
@@ -225,15 +245,39 @@ void st_init_limits(struct st_context *st)
       options->LowerClipDistance = true;
    }
 
+   c->MaxCombinedTextureImageUnits =
+         _min(c->Program[MESA_SHADER_VERTEX].MaxTextureImageUnits +
+              c->Program[MESA_SHADER_GEOMETRY].MaxTextureImageUnits +
+              c->Program[MESA_SHADER_FRAGMENT].MaxTextureImageUnits,
+              MAX_COMBINED_TEXTURE_IMAGE_UNITS);
+
+   /* This depends on program constants. */
+   c->MaxTextureCoordUnits
+      = _min(c->Program[MESA_SHADER_FRAGMENT].MaxTextureImageUnits, MAX_TEXTURE_COORD_UNITS);
+
+   c->MaxTextureUnits = _min(c->Program[MESA_SHADER_FRAGMENT].MaxTextureImageUnits, c->MaxTextureCoordUnits);
+
+   c->Program[MESA_SHADER_VERTEX].MaxAttribs = MIN2(c->Program[MESA_SHADER_VERTEX].MaxAttribs, 16);
+
    /* PIPE_SHADER_CAP_MAX_INPUTS for the FS specifies the maximum number
     * of inputs. It's always 2 colors + N generic inputs. */
    c->MaxVarying = screen->get_shader_param(screen, PIPE_SHADER_FRAGMENT,
                                             PIPE_SHADER_CAP_MAX_INPUTS);
    c->MaxVarying = MIN2(c->MaxVarying, MAX_VARYING);
+   c->Program[MESA_SHADER_FRAGMENT].MaxInputComponents = c->MaxVarying * 4;
+   c->Program[MESA_SHADER_VERTEX].MaxOutputComponents = c->MaxVarying * 4;
+   c->Program[MESA_SHADER_GEOMETRY].MaxInputComponents = c->MaxVarying * 4;
+   c->Program[MESA_SHADER_GEOMETRY].MaxOutputComponents = c->MaxVarying * 4;
+   c->MaxGeometryOutputVertices = screen->get_param(screen, PIPE_CAP_MAX_GEOMETRY_OUTPUT_VERTICES);
+   c->MaxGeometryTotalOutputComponents = screen->get_param(screen, PIPE_CAP_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS);
 
    c->MinProgramTexelOffset = screen->get_param(screen, PIPE_CAP_MIN_TEXEL_OFFSET);
    c->MaxProgramTexelOffset = screen->get_param(screen, PIPE_CAP_MAX_TEXEL_OFFSET);
 
+   c->MaxProgramTextureGatherComponents = screen->get_param(screen, PIPE_CAP_MAX_TEXTURE_GATHER_COMPONENTS);
+   c->MinProgramTextureGatherOffset = screen->get_param(screen, PIPE_CAP_MIN_TEXTURE_GATHER_OFFSET);
+   c->MaxProgramTextureGatherOffset = screen->get_param(screen, PIPE_CAP_MAX_TEXTURE_GATHER_OFFSET);
+
    c->UniformBooleanTrue = ~0;
 
    c->MaxTransformFeedbackBuffers =
@@ -249,19 +293,19 @@ 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 =
+         screen->get_param(screen, PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT);
+      c->MaxCombinedUniformBlocks = c->MaxUniformBufferBindings =
+         c->Program[MESA_SHADER_VERTEX].MaxUniformBlocks +
+         c->Program[MESA_SHADER_GEOMETRY].MaxUniformBlocks +
+         c->Program[MESA_SHADER_FRAGMENT].MaxUniformBlocks;
+      assert(c->MaxCombinedUniformBlocks <= MAX_COMBINED_UNIFORM_BUFFERS);
+   }
 }
 
 
-static GLboolean st_get_s3tc_override(void)
-{
-   const char *override = _mesa_getenv("force_s3tc_enable");
-   if (override && !strcmp(override, "true"))
-      return GL_TRUE;
-   return GL_FALSE;
-}
-
 /**
  * Given a member \c x of struct gl_extensions, return offset of
  * \c x in bytes.
@@ -341,6 +385,7 @@ void st_init_extensions(struct st_context *st)
 
    static const struct st_extension_cap_mapping cap_mapping[] = {
       { o(ARB_base_instance),                PIPE_CAP_START_INSTANCE                   },
+      { o(ARB_buffer_storage),               PIPE_CAP_BUFFER_MAP_PERSISTENT_COHERENT },
       { o(ARB_depth_clamp),                  PIPE_CAP_DEPTH_CLIP_DISABLE               },
       { o(ARB_depth_texture),                PIPE_CAP_TEXTURE_SHADOW_MAP               },
       { o(ARB_draw_buffers_blend),           PIPE_CAP_INDEP_BLEND_FUNC                 },
@@ -354,19 +399,19 @@ void st_init_extensions(struct st_context *st)
       { o(ARB_shader_stencil_export),        PIPE_CAP_SHADER_STENCIL_EXPORT            },
       { o(ARB_shader_texture_lod),           PIPE_CAP_SM3                              },
       { o(ARB_shadow),                       PIPE_CAP_TEXTURE_SHADOW_MAP               },
+      { o(ARB_texture_mirror_clamp_to_edge), PIPE_CAP_TEXTURE_MIRROR_CLAMP             },
       { o(ARB_texture_non_power_of_two),     PIPE_CAP_NPOT_TEXTURES                    },
+      { o(ARB_timer_query),                  PIPE_CAP_QUERY_TIMESTAMP                  },
       { o(ARB_transform_feedback2),          PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME       },
       { o(ARB_transform_feedback3),          PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME       },
 
       { o(EXT_blend_equation_separate),      PIPE_CAP_BLEND_EQUATION_SEPARATE          },
       { o(EXT_draw_buffers2),                PIPE_CAP_INDEP_BLEND_ENABLE               },
-      { o(EXT_shadow_funcs),                 PIPE_CAP_TEXTURE_SHADOW_MAP               },
       { o(EXT_stencil_two_side),             PIPE_CAP_TWO_SIDED_STENCIL                },
       { o(EXT_texture_array),                PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS         },
       { o(EXT_texture_filter_anisotropic),   PIPE_CAP_ANISOTROPIC_FILTER               },
       { o(EXT_texture_mirror_clamp),         PIPE_CAP_TEXTURE_MIRROR_CLAMP             },
       { o(EXT_texture_swizzle),              PIPE_CAP_TEXTURE_SWIZZLE                  },
-      { o(EXT_timer_query),                  PIPE_CAP_TIMER_QUERY                      },
       { o(EXT_transform_feedback),           PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS        },
 
       { o(AMD_seamless_cubemap_per_texture), PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE    },
@@ -376,7 +421,12 @@ void st_init_extensions(struct st_context *st)
       { o(NV_texture_barrier),               PIPE_CAP_TEXTURE_BARRIER                  },
       /* GL_NV_point_sprite is not supported by gallium because we don't
        * support the GL_POINT_SPRITE_R_MODE_NV option. */
-      { o(MESA_texture_array),               PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS         },
+
+      { o(OES_standard_derivatives),         PIPE_CAP_SM3                              },
+      { o(ARB_texture_cube_map_array),       PIPE_CAP_CUBE_MAP_ARRAY                   },
+      { o(ARB_texture_multisample),          PIPE_CAP_TEXTURE_MULTISAMPLE              },
+      { o(ARB_texture_query_lod),            PIPE_CAP_TEXTURE_QUERY_LOD                },
+      { o(ARB_sample_shading),               PIPE_CAP_SAMPLE_SHADING                   },
    };
 
    /* Required: render target and sampler support */
@@ -386,7 +436,9 @@ void st_init_extensions(struct st_context *st)
           PIPE_FORMAT_R16G16B16A16_FLOAT } },
 
       { { o(ARB_texture_rgb10_a2ui) },
-        { PIPE_FORMAT_B10G10R10A2_UINT } },
+        { PIPE_FORMAT_R10G10B10A2_UINT,
+          PIPE_FORMAT_B10G10R10A2_UINT },
+         GL_TRUE }, /* at least one format must be supported */
 
       { { o(EXT_framebuffer_sRGB) },
         { PIPE_FORMAT_A8B8G8R8_SRGB,
@@ -399,6 +451,10 @@ void st_init_extensions(struct st_context *st)
       { { o(EXT_texture_integer) },
         { PIPE_FORMAT_R32G32B32A32_UINT,
           PIPE_FORMAT_R32G32B32A32_SINT } },
+
+      { { o(ARB_texture_rg) },
+        { PIPE_FORMAT_R8_UNORM,
+          PIPE_FORMAT_R8G8_UNORM } },
    };
 
    /* Required: depth stencil and sampler support */
@@ -406,12 +462,6 @@ void st_init_extensions(struct st_context *st)
       { { o(ARB_depth_buffer_float) },
         { PIPE_FORMAT_Z32_FLOAT,
           PIPE_FORMAT_Z32_FLOAT_S8X24_UINT } },
-
-      { { o(ARB_framebuffer_object),
-          o(EXT_packed_depth_stencil) },
-        { PIPE_FORMAT_S8_UINT_Z24_UNORM,
-          PIPE_FORMAT_Z24_UNORM_S8_UINT },
-        GL_TRUE }, /* at least one format must be supported */
    };
 
    /* Required: sampler support */
@@ -422,9 +472,6 @@ void st_init_extensions(struct st_context *st)
           PIPE_FORMAT_RGTC2_UNORM,
           PIPE_FORMAT_RGTC2_SNORM } },
 
-      { { o(ARB_texture_rg) },
-        { PIPE_FORMAT_R8G8_UNORM } },
-
       { { o(EXT_texture_compression_latc) },
         { PIPE_FORMAT_LATC1_UNORM,
           PIPE_FORMAT_LATC1_SNORM,
@@ -432,7 +479,7 @@ void st_init_extensions(struct st_context *st)
           PIPE_FORMAT_LATC2_SNORM } },
 
       { { o(EXT_texture_compression_s3tc),
-          o(S3_s3tc) },
+          o(ANGLE_texture_compression_dxt) },
         { PIPE_FORMAT_DXT1_RGB,
           PIPE_FORMAT_DXT1_RGBA,
           PIPE_FORMAT_DXT3_RGBA,
@@ -460,6 +507,11 @@ void st_init_extensions(struct st_context *st)
 
       { { o(OES_compressed_ETC1_RGB8_texture) },
         { PIPE_FORMAT_ETC1_RGB8 } },
+
+      { { o(ARB_stencil_texturing) },
+        { PIPE_FORMAT_X24S8_UINT,
+          PIPE_FORMAT_S8X24_UINT },
+        GL_TRUE }, /* at least one format must be supported */
    };
 
    /* Required: vertex fetch support. */
@@ -473,6 +525,16 @@ void st_init_extensions(struct st_context *st)
           PIPE_FORMAT_B10G10R10A2_USCALED,
           PIPE_FORMAT_R10G10B10A2_SSCALED,
           PIPE_FORMAT_B10G10R10A2_SSCALED } },
+      { { o(ARB_vertex_type_10f_11f_11f_rev) },
+        { PIPE_FORMAT_R11G11B10_FLOAT } },
+   };
+
+   static const struct st_extension_format_mapping tbo_rgb32[] = {
+      { {o(ARB_texture_buffer_object_rgb32) },
+        { PIPE_FORMAT_R32G32B32_FLOAT,
+          PIPE_FORMAT_R32G32B32_UINT,
+          PIPE_FORMAT_R32G32B32_SINT,
+        } },
    };
 
    /*
@@ -484,34 +546,25 @@ void st_init_extensions(struct st_context *st)
    ctx->Extensions.ARB_fragment_coord_conventions = GL_TRUE;
    ctx->Extensions.ARB_fragment_program = GL_TRUE;
    ctx->Extensions.ARB_fragment_shader = GL_TRUE;
-   ctx->Extensions.ARB_half_float_pixel = GL_TRUE;
    ctx->Extensions.ARB_half_float_vertex = GL_TRUE;
+   ctx->Extensions.ARB_internalformat_query = GL_TRUE;
    ctx->Extensions.ARB_map_buffer_range = GL_TRUE;
-   ctx->Extensions.ARB_shader_objects = GL_TRUE;
-   ctx->Extensions.ARB_shading_language_100 = GL_TRUE;
    ctx->Extensions.ARB_texture_border_clamp = GL_TRUE; /* XXX temp */
    ctx->Extensions.ARB_texture_cube_map = GL_TRUE;
    ctx->Extensions.ARB_texture_env_combine = GL_TRUE;
    ctx->Extensions.ARB_texture_env_crossbar = GL_TRUE;
    ctx->Extensions.ARB_texture_env_dot3 = GL_TRUE;
-   ctx->Extensions.ARB_texture_storage = GL_TRUE;
    ctx->Extensions.ARB_vertex_program = GL_TRUE;
    ctx->Extensions.ARB_vertex_shader = GL_TRUE;
-   ctx->Extensions.ARB_window_pos = GL_TRUE;
 
    ctx->Extensions.EXT_blend_color = GL_TRUE;
    ctx->Extensions.EXT_blend_func_separate = GL_TRUE;
    ctx->Extensions.EXT_blend_minmax = GL_TRUE;
-   ctx->Extensions.EXT_framebuffer_blit = GL_TRUE;
-   ctx->Extensions.EXT_framebuffer_object = GL_TRUE;
-   ctx->Extensions.EXT_framebuffer_multisample = GL_TRUE;
-   ctx->Extensions.EXT_fog_coord = GL_TRUE;
    ctx->Extensions.EXT_gpu_program_parameters = GL_TRUE;
    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_secondary_color = GL_TRUE;
-   ctx->Extensions.EXT_separate_shader_objects = GL_TRUE;
+
    ctx->Extensions.EXT_texture_env_dot3 = GL_TRUE;
    ctx->Extensions.EXT_vertex_array_bgra = GL_TRUE;
 
@@ -519,15 +572,13 @@ void st_init_extensions(struct st_context *st)
 
    ctx->Extensions.MESA_pack_invert = GL_TRUE;
 
-   ctx->Extensions.NV_blend_square = GL_TRUE;
    ctx->Extensions.NV_fog_distance = GL_TRUE;
-   ctx->Extensions.NV_texgen_reflection = GL_TRUE;
    ctx->Extensions.NV_texture_env_combine4 = GL_TRUE;
    ctx->Extensions.NV_texture_rectangle = GL_TRUE;
+   ctx->Extensions.NV_vdpau_interop = GL_TRUE;
 
    ctx->Extensions.OES_EGL_image = GL_TRUE;
-   if (ctx->API != API_OPENGL)
-      ctx->Extensions.OES_EGL_image_external = GL_TRUE;
+   ctx->Extensions.OES_EGL_image_external = GL_TRUE;
    ctx->Extensions.OES_draw_texture = GL_TRUE;
 
    /* Expose the extensions which directly correspond to gallium caps. */
@@ -552,21 +603,39 @@ void st_init_extensions(struct st_context *st)
    /* Figure out GLSL support. */
    glsl_feature_level = screen->get_param(screen, PIPE_CAP_GLSL_FEATURE_LEVEL);
 
-   if (glsl_feature_level >= 130) {
-      ctx->Const.GLSLVersion = 130;
-   } else {
-      ctx->Const.GLSLVersion = 120;
-   }
+   ctx->Const.GLSLVersion = glsl_feature_level;
+   if (glsl_feature_level >= 330)
+      ctx->Const.GLSLVersion = 330;
 
    _mesa_override_glsl_version(st->ctx);
 
+   if (st->options.force_glsl_version > 0 &&
+       st->options.force_glsl_version <= ctx->Const.GLSLVersion) {
+      ctx->Const.ForceGLSLVersion = st->options.force_glsl_version;
+   }
+
+   /* This extension needs full OpenGL 3.2, but we don't know if that's
+    * supported at this point. Only check the GLSL version. */
+   if (ctx->Const.GLSLVersion >= 150 &&
+       screen->get_param(screen, PIPE_CAP_TGSI_VS_LAYER)) {
+      ctx->Extensions.AMD_vertex_shader_layer = GL_TRUE;
+   }
+
    if (ctx->Const.GLSLVersion >= 130) {
       ctx->Const.NativeIntegers = GL_TRUE;
       ctx->Const.MaxClipPlanes = 8;
 
-      /* Extensions that only depend on GLSL 1.3. */
+      /* Extensions that either depend on GLSL 1.30 or are a subset thereof. */
       ctx->Extensions.ARB_conservative_depth = GL_TRUE;
-      ctx->Extensions.ARB_shader_bit_encoding = GL_TRUE;
+      ctx->Extensions.ARB_shading_language_packing = GL_TRUE;
+      ctx->Extensions.OES_depth_texture_cube_map = GL_TRUE;
+      ctx->Extensions.ARB_shading_language_420pack = GL_TRUE;
+
+      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,
@@ -574,14 +643,16 @@ 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;
       }
    }
 
    /* Below are the cases which cannot be moved into tables easily. */
 
-   if (!ctx->Mesa_DXTn && !st_get_s3tc_override()) {
+   if (!ctx->Mesa_DXTn && !st->options.force_s3tc_enable) {
       ctx->Extensions.EXT_texture_compression_s3tc = GL_FALSE;
-      ctx->Extensions.S3_s3tc = GL_FALSE;
+      ctx->Extensions.ANGLE_texture_compression_dxt = GL_FALSE;
    }
 
    if (screen->get_shader_param(screen, PIPE_SHADER_GEOMETRY,
@@ -596,6 +667,7 @@ void st_init_extensions(struct st_context *st)
       ctx->Const.PrimitiveRestartInSoftware = GL_TRUE;
    }
 
+   /* ARB_color_buffer_float. */
    if (screen->get_param(screen, PIPE_CAP_VERTEX_COLOR_UNCLAMPED)) {
       ctx->Extensions.ARB_color_buffer_float = GL_TRUE;
 
@@ -606,6 +678,16 @@ void st_init_extensions(struct st_context *st)
       if (!screen->get_param(screen, PIPE_CAP_FRAGMENT_COLOR_CLAMPED)) {
          st->clamp_frag_color_in_shader = TRUE;
       }
+
+      /* For drivers which cannot do color clamping, it's better to just
+       * disable ARB_color_buffer_float in the core profile, because
+       * the clamping is deprecated there anyway. */
+      if (ctx->API == API_OPENGL_CORE &&
+          (st->clamp_frag_color_in_shader || st->clamp_vert_color_in_shader)) {
+         st->clamp_vert_color_in_shader = GL_FALSE;
+         st->clamp_frag_color_in_shader = GL_FALSE;
+         ctx->Extensions.ARB_color_buffer_float = GL_FALSE;
+      }
    }
 
    if (screen->fence_finish) {
@@ -614,20 +696,62 @@ void st_init_extensions(struct st_context *st)
 
    /* Maximum sample count. */
    for (i = 16; i > 0; --i) {
-      if (screen->is_format_supported(screen, PIPE_FORMAT_B8G8R8A8_UNORM,
-                                      PIPE_TEXTURE_2D, i,
-                                      PIPE_BIND_RENDER_TARGET)) {
+      enum pipe_format pformat = st_choose_format(st, GL_RGBA,
+                                                  GL_NONE, GL_NONE,
+                                                  PIPE_TEXTURE_2D, i,
+                                                  PIPE_BIND_RENDER_TARGET, FALSE);
+      if (pformat != PIPE_FORMAT_NONE) {
          ctx->Const.MaxSamples = i;
+         ctx->Const.MaxColorTextureSamples = i;
+         break;
+      }
+   }
+   for (i = ctx->Const.MaxSamples; i > 0; --i) {
+      enum pipe_format pformat = st_choose_format(st, GL_DEPTH_STENCIL,
+                                                  GL_NONE, GL_NONE,
+                                                  PIPE_TEXTURE_2D, i,
+                                                  PIPE_BIND_DEPTH_STENCIL, FALSE);
+      if (pformat != PIPE_FORMAT_NONE) {
+         ctx->Const.MaxDepthTextureSamples = i;
          break;
       }
    }
+   for (i = ctx->Const.MaxSamples; i > 0; --i) {
+      enum pipe_format pformat = st_choose_format(st, GL_RGBA_INTEGER,
+                                                  GL_NONE, GL_NONE,
+                                                  PIPE_TEXTURE_2D, i,
+                                                  PIPE_BIND_RENDER_TARGET, FALSE);
+      if (pformat != PIPE_FORMAT_NONE) {
+         ctx->Const.MaxIntegerSamples = i;
+         break;
+      }
+   }
+   if (ctx->Const.MaxSamples == 1) {
+      /* one sample doesn't really make sense */
+      ctx->Const.MaxSamples = 0;
+   }
+   else if (ctx->Const.MaxSamples >= 2) {
+      ctx->Extensions.EXT_framebuffer_multisample = GL_TRUE;
+      ctx->Extensions.EXT_framebuffer_multisample_blit_scaled = GL_TRUE;
+   }
+
+   if (ctx->Const.MaxSamples == 0 && screen->get_param(screen, PIPE_CAP_FAKE_SW_MSAA)) {
+       ctx->Const.FakeSWMSAA = GL_TRUE;
+        ctx->Extensions.EXT_framebuffer_multisample = GL_TRUE;
+        ctx->Extensions.EXT_framebuffer_multisample_blit_scaled = GL_TRUE;
+        ctx->Extensions.ARB_texture_multisample = GL_TRUE;
+   }
 
-   if (ctx->Const.MaxDualSourceDrawBuffers > 0)
+   if (ctx->Const.MaxDualSourceDrawBuffers > 0 &&
+       !st->options.disable_blend_func_extended)
       ctx->Extensions.ARB_blend_func_extended = GL_TRUE;
 
-   if (screen->get_param(screen, PIPE_CAP_TIMER_QUERY) &&
-       screen->get_param(screen, PIPE_CAP_QUERY_TIMESTAMP)) {
-      ctx->Extensions.ARB_timer_query = GL_TRUE;
+   st->has_time_elapsed =
+      screen->get_param(screen, PIPE_CAP_QUERY_TIME_ELAPSED);
+
+   if (st->has_time_elapsed ||
+       ctx->Extensions.ARB_timer_query) {
+      ctx->Extensions.EXT_timer_query = GL_TRUE;
    }
 
    if (ctx->Extensions.ARB_transform_feedback2 &&
@@ -635,11 +759,56 @@ void st_init_extensions(struct st_context *st)
       ctx->Extensions.ARB_transform_feedback_instanced = GL_TRUE;
    }
    if (st->options.force_glsl_extensions_warn)
-          ctx->Const.ForceGLSLExtensionsWarn = 1;
+      ctx->Const.ForceGLSLExtensionsWarn = 1;
+
+   if (st->options.disable_glsl_line_continuations)
+      ctx->Const.DisableGLSLLineContinuations = 1;
 
    ctx->Const.MinMapBufferAlignment =
       screen->get_param(screen, PIPE_CAP_MIN_MAP_BUFFER_ALIGNMENT);
-   if (ctx->Const.MinMapBufferAlignment >= 64) {
-      ctx->Extensions.ARB_map_buffer_alignment = GL_TRUE;
+
+   if (screen->get_param(screen, PIPE_CAP_TEXTURE_BUFFER_OBJECTS)) {
+      ctx->Extensions.ARB_texture_buffer_object = GL_TRUE;
+
+      ctx->Const.MaxTextureBufferSize =
+         _min(screen->get_param(screen, PIPE_CAP_MAX_TEXTURE_BUFFER_SIZE),
+              (1u << 31) - 1);
+      ctx->Const.TextureBufferOffsetAlignment =
+         screen->get_param(screen, PIPE_CAP_TEXTURE_BUFFER_OFFSET_ALIGNMENT);
+
+      if (ctx->Const.TextureBufferOffsetAlignment)
+         ctx->Extensions.ARB_texture_buffer_range = GL_TRUE;
+
+      init_format_extensions(st, tbo_rgb32, Elements(tbo_rgb32),
+                             PIPE_BUFFER, PIPE_BIND_SAMPLER_VIEW);
+   }
+
+   if (screen->get_param(screen, PIPE_CAP_MIXED_FRAMEBUFFER_SIZES)) {
+      ctx->Extensions.ARB_framebuffer_object = GL_TRUE;
+   }
+
+   /* Unpacking a varying in the fragment shader costs 1 texture indirection.
+    * If the number of available texture indirections is very limited, then we
+    * prefer to disable varying packing rather than run the risk of varying
+    * packing preventing a shader from running.
+    */
+   if (screen->get_shader_param(screen, PIPE_SHADER_FRAGMENT,
+                                PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS) <= 8) {
+      /* We can't disable varying packing if transform feedback is available,
+       * because transform feedback code assumes a packed varying layout.
+       */
+      if (!ctx->Extensions.EXT_transform_feedback)
+         ctx->Const.DisableVaryingPacking = GL_TRUE;
+   }
+
+   if (ctx->API == API_OPENGL_CORE) {
+      ctx->Const.MaxViewports = screen->get_param(screen, PIPE_CAP_MAX_VIEWPORTS);
+      if (ctx->Const.MaxViewports >= 16) {
+         ctx->Const.ViewportBounds.Min = -16384.0;
+         ctx->Const.ViewportBounds.Max = 16384.0;
+         ctx->Extensions.ARB_viewport_array = GL_TRUE;
+      }
    }
+   if (ctx->Const.MaxProgramTextureGatherComponents > 0)
+      ctx->Extensions.ARB_texture_gather = GL_TRUE;
 }