i965: Remove artificial dependency between math instructions.

[mesa.git] / src / mesa / state_tracker / st_extensions.c

diff --git a/src/mesa/state_tracker/st_extensions.c b/src/mesa/state_tracker/st_extensions.c
index 47b975b5bf086457bd8cbbc8228e79069961d9e0..4207cb64a3a26e8a4766cec8f8e4800214c6f1d3 100644 (file)
--- a/src/mesa/state_tracker/st_extensions.c
+++ b/src/mesa/state_tracker/st_extensions.c
@@ -39,6 +39,12 @@
 #include "st_extensions.h"
 #include "st_format.h"
 
+
+/*
+ * 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;
@@ -269,6 +275,9 @@ void st_init_limits(struct st_context *st)
    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 =
@@ -278,6 +287,11 @@ void st_init_limits(struct st_context *st)
       screen->get_param(screen, PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS);
    c->MaxTransformFeedbackInterleavedComponents =
       screen->get_param(screen, PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS);
+   c->MaxVertexStreams =
+      MAX2(1, screen->get_param(screen, PIPE_CAP_MAX_VERTEX_STREAMS));
+
+   /* The vertex stream must fit into pipe_stream_output_info::stream */
+   assert(c->MaxVertexStreams <= 4);
 
    c->StripTextureBorder = GL_TRUE;
 
@@ -376,6 +390,7 @@ 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                 },
@@ -414,7 +429,10 @@ void st_init_extensions(struct st_context *st)
 
       { 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_multisample),          PIPE_CAP_TEXTURE_MULTISAMPLE              },
+      { o(ARB_texture_query_lod),            PIPE_CAP_TEXTURE_QUERY_LOD                },
+      { o(ARB_sample_shading),               PIPE_CAP_SAMPLE_SHADING                   },
+      { o(ARB_draw_indirect),                PIPE_CAP_DRAW_INDIRECT                    }
    };
 
    /* Required: render target and sampler support */
@@ -495,6 +513,11 @@ 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. */
@@ -526,6 +549,7 @@ void st_init_extensions(struct st_context *st)
    ctx->Extensions.ARB_ES2_compatibility = GL_TRUE;
    ctx->Extensions.ARB_draw_elements_base_vertex = GL_TRUE;
    ctx->Extensions.ARB_explicit_attrib_location = GL_TRUE;
+   ctx->Extensions.ARB_explicit_uniform_location = GL_TRUE;
    ctx->Extensions.ARB_fragment_coord_conventions = GL_TRUE;
    ctx->Extensions.ARB_fragment_program = GL_TRUE;
    ctx->Extensions.ARB_fragment_shader = GL_TRUE;
@@ -548,13 +572,6 @@ void st_init_extensions(struct st_context *st)
    ctx->Extensions.EXT_point_parameters = GL_TRUE;
    ctx->Extensions.EXT_provoking_vertex = 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;
 
@@ -607,7 +624,7 @@ void st_init_extensions(struct st_context *st)
    /* 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)) {
+       screen->get_param(screen, PIPE_CAP_TGSI_VS_LAYER_VIEWPORT)) {
       ctx->Extensions.AMD_vertex_shader_layer = GL_TRUE;
    }
 
@@ -620,10 +637,13 @@ void st_init_extensions(struct st_context *st)
       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;
+      ctx->Extensions.ARB_texture_query_levels = 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,
@@ -631,6 +651,8 @@ 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;
       }
    }
 
@@ -721,6 +743,13 @@ void st_init_extensions(struct st_context *st)
       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 &&
        !st->options.disable_blend_func_extended)
       ctx->Extensions.ARB_blend_func_extended = GL_TRUE;
@@ -786,6 +815,9 @@ void st_init_extensions(struct st_context *st)
          ctx->Const.ViewportBounds.Min = -16384.0;
          ctx->Const.ViewportBounds.Max = 16384.0;
          ctx->Extensions.ARB_viewport_array = GL_TRUE;
+         ctx->Extensions.ARB_fragment_layer_viewport = GL_TRUE;
+         if (ctx->Extensions.AMD_vertex_shader_layer)
+            ctx->Extensions.AMD_vertex_shader_viewport_index = GL_TRUE;
       }
    }
    if (ctx->Const.MaxProgramTextureGatherComponents > 0)