st/mesa: add astc support
[mesa.git] / src / mesa / state_tracker / st_extensions.c
index 036fac71a0cb56d05ea397545c574459bf8f7ab1..a2418e28a91ac5b62c04530512502034824c70a7 100644 (file)
@@ -165,6 +165,14 @@ void st_init_limits(struct pipe_screen *screen,
          pc = &c->Program[MESA_SHADER_GEOMETRY];
          options = &c->ShaderCompilerOptions[MESA_SHADER_GEOMETRY];
          break;
+      case PIPE_SHADER_TESS_CTRL:
+         pc = &c->Program[MESA_SHADER_TESS_CTRL];
+         options = &c->ShaderCompilerOptions[MESA_SHADER_TESS_CTRL];
+         break;
+      case PIPE_SHADER_TESS_EVAL:
+         pc = &c->Program[MESA_SHADER_TESS_EVAL];
+         options = &c->ShaderCompilerOptions[MESA_SHADER_TESS_EVAL];
+         break;
       default:
          /* compute shader, etc. */
          continue;
@@ -241,12 +249,20 @@ void st_init_limits(struct pipe_screen *screen,
 
       if (options->EmitNoLoops)
          options->MaxUnrollIterations = MIN2(screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_MAX_INSTRUCTIONS), 65536);
+      else
+         options->MaxUnrollIterations = screen->get_shader_param(screen, sh,
+                                      PIPE_SHADER_CAP_MAX_UNROLL_ITERATIONS_HINT);
 
       options->LowerClipDistance = true;
+      options->LowerBufferInterfaceBlocks = true;
    }
 
+   c->LowerTessLevel = true;
+
    c->MaxCombinedTextureImageUnits =
          _min(c->Program[MESA_SHADER_VERTEX].MaxTextureImageUnits +
+              c->Program[MESA_SHADER_TESS_CTRL].MaxTextureImageUnits +
+              c->Program[MESA_SHADER_TESS_EVAL].MaxTextureImageUnits +
               c->Program[MESA_SHADER_GEOMETRY].MaxTextureImageUnits +
               c->Program[MESA_SHADER_FRAGMENT].MaxTextureImageUnits,
               MAX_COMBINED_TEXTURE_IMAGE_UNITS);
@@ -266,6 +282,9 @@ void st_init_limits(struct pipe_screen *screen,
    c->MaxVarying = MIN2(c->MaxVarying, MAX_VARYING);
    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->MaxTessPatchComponents =
+      MAX2(screen->get_param(screen, PIPE_CAP_MAX_SHADER_PATCH_VARYINGS),
+           MAX_VARYING) * 4;
 
    c->MinProgramTexelOffset = screen->get_param(screen, PIPE_CAP_MIN_TEXEL_OFFSET);
    c->MaxProgramTexelOffset = screen->get_param(screen, PIPE_CAP_MAX_TEXEL_OFFSET);
@@ -301,6 +320,8 @@ void st_init_limits(struct pipe_screen *screen,
          screen->get_param(screen, PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT);
       c->MaxCombinedUniformBlocks = c->MaxUniformBufferBindings =
          c->Program[MESA_SHADER_VERTEX].MaxUniformBlocks +
+         c->Program[MESA_SHADER_TESS_CTRL].MaxUniformBlocks +
+         c->Program[MESA_SHADER_TESS_EVAL].MaxUniformBlocks +
          c->Program[MESA_SHADER_GEOMETRY].MaxUniformBlocks +
          c->Program[MESA_SHADER_FRAGMENT].MaxUniformBlocks;
       assert(c->MaxCombinedUniformBlocks <= MAX_COMBINED_UNIFORM_BUFFERS);
@@ -322,7 +343,7 @@ struct st_extension_cap_mapping {
 
 struct st_extension_format_mapping {
    int extension_offset[2];
-   enum pipe_format format[8];
+   enum pipe_format format[32];
 
    /* If TRUE, at least one format must be supported for the extensions to be
     * advertised. If FALSE, all the formats must be supported. */
@@ -347,8 +368,8 @@ init_format_extensions(struct pipe_screen *screen,
    GLboolean *extension_table = (GLboolean *) extensions;
    unsigned i;
    int j;
-   int num_formats = Elements(mapping->format);
-   int num_ext = Elements(mapping->extension_offset);
+   int num_formats = ARRAY_SIZE(mapping->format);
+   int num_ext = ARRAY_SIZE(mapping->extension_offset);
 
    for (i = 0; i < num_mappings; i++) {
       int num_supported = 0;
@@ -417,20 +438,28 @@ void st_init_extensions(struct pipe_screen *screen,
 
    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_buffer_storage),               PIPE_CAP_BUFFER_MAP_PERSISTENT_COHERENT   },
+      { o(ARB_clear_texture),                PIPE_CAP_CLEAR_TEXTURE                    },
+      { o(ARB_color_buffer_float),           PIPE_CAP_VERTEX_COLOR_UNCLAMPED           },
+      { o(ARB_copy_image),                   PIPE_CAP_COPY_BETWEEN_COMPRESSED_AND_PLAIN_FORMATS },
       { 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                 },
       { o(ARB_draw_instanced),               PIPE_CAP_TGSI_INSTANCEID                  },
       { o(ARB_fragment_program_shadow),      PIPE_CAP_TEXTURE_SHADOW_MAP               },
+      { o(ARB_framebuffer_object),           PIPE_CAP_MIXED_FRAMEBUFFER_SIZES          },
       { o(ARB_instanced_arrays),             PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR  },
       { o(ARB_occlusion_query),              PIPE_CAP_OCCLUSION_QUERY                  },
       { o(ARB_occlusion_query2),             PIPE_CAP_OCCLUSION_QUERY                  },
+      { o(ARB_pipeline_statistics_query),    PIPE_CAP_QUERY_PIPELINE_STATISTICS        },
       { o(ARB_point_sprite),                 PIPE_CAP_POINT_SPRITE                     },
       { o(ARB_seamless_cube_map),            PIPE_CAP_SEAMLESS_CUBE_MAP                },
       { o(ARB_shader_stencil_export),        PIPE_CAP_SHADER_STENCIL_EXPORT            },
+      { o(ARB_shader_texture_image_samples), PIPE_CAP_TGSI_TXQS                        },
       { o(ARB_shader_texture_lod),           PIPE_CAP_SM3                              },
       { o(ARB_shadow),                       PIPE_CAP_TEXTURE_SHADOW_MAP               },
+      { o(ARB_texture_buffer_object),        PIPE_CAP_TEXTURE_BUFFER_OBJECTS           },
+      { o(ARB_texture_gather),               PIPE_CAP_MAX_TEXTURE_GATHER_COMPONENTS    },
       { 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                  },
@@ -451,11 +480,14 @@ void st_init_extensions(struct pipe_screen *screen,
       { o(ATI_separate_stencil),             PIPE_CAP_TWO_SIDED_STENCIL                },
       { o(ATI_texture_mirror_once),          PIPE_CAP_TEXTURE_MIRROR_CLAMP             },
       { o(NV_conditional_render),            PIPE_CAP_CONDITIONAL_RENDER               },
+      { o(NV_primitive_restart),             PIPE_CAP_PRIMITIVE_RESTART                },
       { 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(OES_standard_derivatives),         PIPE_CAP_SM3                              },
+      { o(OES_texture_float_linear),         PIPE_CAP_TEXTURE_FLOAT_LINEAR             },
+      { o(OES_texture_half_float_linear),    PIPE_CAP_TEXTURE_HALF_FLOAT_LINEAR        },
       { 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                },
@@ -466,6 +498,7 @@ void st_init_extensions(struct pipe_screen *screen,
       { o(ARB_texture_view),                 PIPE_CAP_SAMPLER_VIEW_TARGET              },
       { o(ARB_clip_control),                 PIPE_CAP_CLIP_HALFZ                       },
       { o(EXT_polygon_offset_clamp),         PIPE_CAP_POLYGON_OFFSET_CLAMP             },
+      { o(EXT_depth_bounds_test),            PIPE_CAP_DEPTH_BOUNDS_TEST                },
    };
 
    /* Required: render target and sampler support */
@@ -474,6 +507,12 @@ void st_init_extensions(struct pipe_screen *screen,
         { PIPE_FORMAT_R32G32B32A32_FLOAT,
           PIPE_FORMAT_R16G16B16A16_FLOAT } },
 
+      { { o(OES_texture_float) },
+        { PIPE_FORMAT_R32G32B32A32_FLOAT } },
+
+      { { o(OES_texture_half_float) },
+        { PIPE_FORMAT_R16G16B16A16_FLOAT } },
+
       { { o(ARB_texture_rgb10_a2ui) },
         { PIPE_FORMAT_R10G10B10A2_UINT,
           PIPE_FORMAT_B10G10R10A2_UINT },
@@ -530,6 +569,36 @@ void st_init_extensions(struct pipe_screen *screen,
           PIPE_FORMAT_BPTC_RGB_FLOAT,
           PIPE_FORMAT_BPTC_RGB_UFLOAT } },
 
+      { { o(KHR_texture_compression_astc_ldr) },
+        { PIPE_FORMAT_ASTC_4x4,
+          PIPE_FORMAT_ASTC_5x4,
+          PIPE_FORMAT_ASTC_5x5,
+          PIPE_FORMAT_ASTC_6x5,
+          PIPE_FORMAT_ASTC_6x6,
+          PIPE_FORMAT_ASTC_8x5,
+          PIPE_FORMAT_ASTC_8x6,
+          PIPE_FORMAT_ASTC_8x8,
+          PIPE_FORMAT_ASTC_10x5,
+          PIPE_FORMAT_ASTC_10x6,
+          PIPE_FORMAT_ASTC_10x8,
+          PIPE_FORMAT_ASTC_10x10,
+          PIPE_FORMAT_ASTC_12x10,
+          PIPE_FORMAT_ASTC_12x12,
+          PIPE_FORMAT_ASTC_4x4_SRGB,
+          PIPE_FORMAT_ASTC_5x4_SRGB,
+          PIPE_FORMAT_ASTC_5x5_SRGB,
+          PIPE_FORMAT_ASTC_6x5_SRGB,
+          PIPE_FORMAT_ASTC_6x6_SRGB,
+          PIPE_FORMAT_ASTC_8x5_SRGB,
+          PIPE_FORMAT_ASTC_8x6_SRGB,
+          PIPE_FORMAT_ASTC_8x8_SRGB,
+          PIPE_FORMAT_ASTC_10x5_SRGB,
+          PIPE_FORMAT_ASTC_10x6_SRGB,
+          PIPE_FORMAT_ASTC_10x8_SRGB,
+          PIPE_FORMAT_ASTC_10x10_SRGB,
+          PIPE_FORMAT_ASTC_12x10_SRGB,
+          PIPE_FORMAT_ASTC_12x12_SRGB } },
+
       { { o(EXT_texture_shared_exponent) },
         { PIPE_FORMAT_R9G9B9E5_FLOAT } },
 
@@ -555,7 +624,8 @@ void st_init_extensions(struct pipe_screen *screen,
           PIPE_FORMAT_R8G8B8A8_UNORM },
         GL_TRUE }, /* at least one format must be supported */
 
-      { { o(ARB_stencil_texturing) },
+      { { o(ARB_stencil_texturing),
+          o(ARB_texture_stencil8) },
         { PIPE_FORMAT_X24S8_UINT,
           PIPE_FORMAT_S8X24_UINT },
         GL_TRUE }, /* at least one format must be supported */
@@ -629,7 +699,7 @@ void st_init_extensions(struct pipe_screen *screen,
    extensions->OES_draw_texture = GL_TRUE;
 
    /* Expose the extensions which directly correspond to gallium caps. */
-   for (i = 0; i < Elements(cap_mapping); i++) {
+   for (i = 0; i < ARRAY_SIZE(cap_mapping); i++) {
       if (screen->get_param(screen, cap_mapping[i].cap)) {
          extension_table[cap_mapping[i].extension_offset] = GL_TRUE;
       }
@@ -637,24 +707,24 @@ void st_init_extensions(struct pipe_screen *screen,
 
    /* Expose the extensions which directly correspond to gallium formats. */
    init_format_extensions(screen, extensions, rendertarget_mapping,
-                          Elements(rendertarget_mapping), PIPE_TEXTURE_2D,
+                          ARRAY_SIZE(rendertarget_mapping), PIPE_TEXTURE_2D,
                           PIPE_BIND_RENDER_TARGET | PIPE_BIND_SAMPLER_VIEW);
    init_format_extensions(screen, extensions, depthstencil_mapping,
-                          Elements(depthstencil_mapping), PIPE_TEXTURE_2D,
+                          ARRAY_SIZE(depthstencil_mapping), PIPE_TEXTURE_2D,
                           PIPE_BIND_DEPTH_STENCIL | PIPE_BIND_SAMPLER_VIEW);
    init_format_extensions(screen, extensions, texture_mapping,
-                          Elements(texture_mapping), PIPE_TEXTURE_2D,
+                          ARRAY_SIZE(texture_mapping), PIPE_TEXTURE_2D,
                           PIPE_BIND_SAMPLER_VIEW);
    init_format_extensions(screen, extensions, vertex_mapping,
-                          Elements(vertex_mapping), PIPE_BUFFER,
+                          ARRAY_SIZE(vertex_mapping), PIPE_BUFFER,
                           PIPE_BIND_VERTEX_BUFFER);
 
    /* Figure out GLSL support. */
    glsl_feature_level = screen->get_param(screen, PIPE_CAP_GLSL_FEATURE_LEVEL);
 
    consts->GLSLVersion = glsl_feature_level;
-   if (glsl_feature_level >= 330)
-      consts->GLSLVersion = 330;
+   if (glsl_feature_level >= 410)
+      consts->GLSLVersion = 410;
 
    _mesa_override_glsl_version(consts);
 
@@ -665,6 +735,8 @@ void st_init_extensions(struct pipe_screen *screen,
 
    if (glsl_feature_level >= 400)
       extensions->ARB_gpu_shader5 = GL_TRUE;
+   if (glsl_feature_level >= 410)
+      extensions->ARB_shader_precision = GL_TRUE;
 
    /* This extension needs full OpenGL 3.2, but we don't know if that's
     * supported at this point. Only check the GLSL version. */
@@ -687,6 +759,7 @@ void st_init_extensions(struct pipe_screen *screen,
       extensions->OES_depth_texture_cube_map = GL_TRUE;
       extensions->ARB_shading_language_420pack = GL_TRUE;
       extensions->ARB_texture_query_levels = GL_TRUE;
+      extensions->ARB_shader_subroutine = GL_TRUE;
 
       if (!options->disable_shader_bit_encoding) {
          extensions->ARB_shader_bit_encoding = GL_TRUE;
@@ -717,20 +790,9 @@ void st_init_extensions(struct pipe_screen *screen,
       extensions->ANGLE_texture_compression_dxt = GL_FALSE;
    }
 
-   if (screen->get_shader_param(screen, PIPE_SHADER_GEOMETRY,
+   if (screen->get_shader_param(screen, PIPE_SHADER_TESS_CTRL,
                                 PIPE_SHADER_CAP_MAX_INSTRUCTIONS) > 0) {
-#if 0 /* XXX re-enable when GLSL compiler again supports geometry shaders */
-      extensions->ARB_geometry_shader4 = GL_TRUE;
-#endif
-   }
-
-   if (screen->get_param(screen, PIPE_CAP_PRIMITIVE_RESTART)) {
-      extensions->NV_primitive_restart = GL_TRUE;
-   }
-
-   /* ARB_color_buffer_float. */
-   if (screen->get_param(screen, PIPE_CAP_VERTEX_COLOR_UNCLAMPED)) {
-      extensions->ARB_color_buffer_float = GL_TRUE;
+      extensions->ARB_tessellation_shader = GL_TRUE;
    }
 
    if (screen->fence_finish) {
@@ -757,22 +819,22 @@ void st_init_extensions(struct pipe_screen *screen,
       };
 
       consts->MaxSamples =
-         get_max_samples_for_formats(screen, Elements(color_formats),
+         get_max_samples_for_formats(screen, ARRAY_SIZE(color_formats),
                                      color_formats, 16,
                                      PIPE_BIND_RENDER_TARGET);
 
       consts->MaxColorTextureSamples =
-         get_max_samples_for_formats(screen, Elements(color_formats),
+         get_max_samples_for_formats(screen, ARRAY_SIZE(color_formats),
                                      color_formats, consts->MaxSamples,
                                      PIPE_BIND_SAMPLER_VIEW);
 
       consts->MaxDepthTextureSamples =
-         get_max_samples_for_formats(screen, Elements(depth_formats),
+         get_max_samples_for_formats(screen, ARRAY_SIZE(depth_formats),
                                      depth_formats, consts->MaxSamples,
                                      PIPE_BIND_SAMPLER_VIEW);
 
       consts->MaxIntegerSamples =
-         get_max_samples_for_formats(screen, Elements(int_formats),
+         get_max_samples_for_formats(screen, ARRAY_SIZE(int_formats),
                                      int_formats, consts->MaxSamples,
                                      PIPE_BIND_SAMPLER_VIEW);
    }
@@ -817,9 +879,7 @@ void st_init_extensions(struct pipe_screen *screen,
    consts->MinMapBufferAlignment =
       screen->get_param(screen, PIPE_CAP_MIN_MAP_BUFFER_ALIGNMENT);
 
-   if (screen->get_param(screen, PIPE_CAP_TEXTURE_BUFFER_OBJECTS)) {
-      extensions->ARB_texture_buffer_object = GL_TRUE;
-
+   if (extensions->ARB_texture_buffer_object) {
       consts->MaxTextureBufferSize =
          _min(screen->get_param(screen, PIPE_CAP_MAX_TEXTURE_BUFFER_SIZE),
               (1u << 31) - 1);
@@ -830,14 +890,10 @@ void st_init_extensions(struct pipe_screen *screen,
          extensions->ARB_texture_buffer_range = GL_TRUE;
 
       init_format_extensions(screen, extensions, tbo_rgb32,
-                             Elements(tbo_rgb32), PIPE_BUFFER,
+                             ARRAY_SIZE(tbo_rgb32), PIPE_BUFFER,
                              PIPE_BIND_SAMPLER_VIEW);
    }
 
-   if (screen->get_param(screen, PIPE_CAP_MIXED_FRAMEBUFFER_SIZES)) {
-      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
@@ -854,17 +910,19 @@ void st_init_extensions(struct pipe_screen *screen,
 
    consts->MaxViewports = screen->get_param(screen, PIPE_CAP_MAX_VIEWPORTS);
    if (consts->MaxViewports >= 16) {
-      consts->ViewportBounds.Min = -16384.0;
-      consts->ViewportBounds.Max = 16384.0;
+      if (glsl_feature_level >= 400) {
+         consts->ViewportBounds.Min = -32768.0;
+         consts->ViewportBounds.Max = 32767.0;
+      } else {
+         consts->ViewportBounds.Min = -16384.0;
+         consts->ViewportBounds.Max = 16383.0;
+      }
       extensions->ARB_viewport_array = GL_TRUE;
       extensions->ARB_fragment_layer_viewport = GL_TRUE;
       if (extensions->AMD_vertex_shader_layer)
          extensions->AMD_vertex_shader_viewport_index = GL_TRUE;
    }
 
-   if (consts->MaxProgramTextureGatherComponents > 0)
-      extensions->ARB_texture_gather = GL_TRUE;
-
    /* GL_ARB_ES3_compatibility.
     *
     * Assume that ES3 is supported if GLSL 3.30 is supported.
@@ -899,4 +957,12 @@ void st_init_extensions(struct pipe_screen *screen,
                                PIPE_VIDEO_CAP_SUPPORTS_INTERLACED)) {
       extensions->NV_vdpau_interop = GL_TRUE;
    }
+
+   if (screen->get_shader_param(screen, PIPE_SHADER_VERTEX,
+                                PIPE_SHADER_CAP_DOUBLES) &&
+       screen->get_shader_param(screen, PIPE_SHADER_FRAGMENT,
+                                PIPE_SHADER_CAP_DOUBLES)) {
+      extensions->ARB_gpu_shader_fp64 = GL_TRUE;
+      extensions->ARB_vertex_attrib_64bit = GL_TRUE;
+   }
 }