| /************************************************************************** |
| * |
| * Copyright 2007 VMware, Inc. |
| * Copyright (c) 2008 VMware, Inc. |
| * All Rights Reserved. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the |
| * "Software"), to deal in the Software without restriction, including |
| * without limitation the rights to use, copy, modify, merge, publish, |
| * distribute, sub license, and/or sell copies of the Software, and to |
| * permit persons to whom the Software is furnished to do so, subject to |
| * the following conditions: |
| * |
| * The above copyright notice and this permission notice (including the |
| * next paragraph) shall be included in all copies or substantial portions |
| * of the Software. |
| * |
| * 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 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. |
| * |
| **************************************************************************/ |
| |
| #include "main/imports.h" |
| #include "main/context.h" |
| #include "main/macros.h" |
| #include "main/version.h" |
| |
| #include "pipe/p_context.h" |
| #include "pipe/p_defines.h" |
| #include "pipe/p_screen.h" |
| #include "util/u_math.h" |
| |
| #include "st_context.h" |
| #include "st_debug.h" |
| #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; |
| } |
| |
| static float _maxf(float a, float b) |
| { |
| return (a > b) ? a : b; |
| } |
| |
| static int _clamp(int a, int min, int max) |
| { |
| if (a < min) |
| return min; |
| else if (a > max) |
| return max; |
| else |
| return a; |
| } |
| |
| |
| /** |
| * Query driver to get implementation limits. |
| * Note that we have to limit/clamp against Mesa's internal limits too. |
| */ |
| void st_init_limits(struct pipe_screen *screen, |
| struct gl_constants *c, struct gl_extensions *extensions) |
| { |
| int supported_irs; |
| unsigned sh; |
| boolean can_ubo = TRUE; |
| |
| c->MaxTextureLevels |
| = _min(screen->get_param(screen, PIPE_CAP_MAX_TEXTURE_2D_LEVELS), |
| MAX_TEXTURE_LEVELS); |
| |
| c->Max3DTextureLevels |
| = _min(screen->get_param(screen, PIPE_CAP_MAX_TEXTURE_3D_LEVELS), |
| MAX_3D_TEXTURE_LEVELS); |
| |
| c->MaxCubeTextureLevels |
| = _min(screen->get_param(screen, PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS), |
| MAX_CUBE_TEXTURE_LEVELS); |
| |
| c->MaxTextureRectSize |
| = _min(1 << (c->MaxTextureLevels - 1), MAX_TEXTURE_RECT_SIZE); |
| |
| c->MaxArrayTextureLayers |
| = screen->get_param(screen, PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS); |
| |
| /* 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. |
| */ |
| c->MaxViewportWidth = |
| c->MaxViewportHeight = |
| c->MaxRenderbufferSize = c->MaxTextureRectSize; |
| |
| c->ViewportSubpixelBits = |
| screen->get_param(screen, PIPE_CAP_VIEWPORT_SUBPIXEL_BITS); |
| |
| 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), |
| 0, MAX_DRAW_BUFFERS); |
| |
| c->MaxLineWidth = |
| _maxf(1.0f, screen->get_paramf(screen, PIPE_CAPF_MAX_LINE_WIDTH)); |
| c->MaxLineWidthAA = |
| _maxf(1.0f, screen->get_paramf(screen, PIPE_CAPF_MAX_LINE_WIDTH_AA)); |
| |
| c->MaxPointSize = |
| _maxf(1.0f, screen->get_paramf(screen, PIPE_CAPF_MAX_POINT_WIDTH)); |
| c->MaxPointSizeAA = |
| _maxf(1.0f, screen->get_paramf(screen, PIPE_CAPF_MAX_POINT_WIDTH_AA)); |
| |
| /* these are not queryable. Note that GL basically mandates a 1.0 minimum |
| * for non-aa sizes, but we can go down to 0.0 for aa points. |
| */ |
| c->MinPointSize = 1.0f; |
| c->MinPointSizeAA = 0.0f; |
| |
| c->MaxTextureMaxAnisotropy = |
| _maxf(2.0f, |
| screen->get_paramf(screen, PIPE_CAPF_MAX_TEXTURE_ANISOTROPY)); |
| |
| c->MaxTextureLodBias = |
| screen->get_paramf(screen, PIPE_CAPF_MAX_TEXTURE_LOD_BIAS); |
| |
| c->QuadsFollowProvokingVertexConvention = |
| screen->get_param(screen, |
| PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION); |
| |
| c->MaxUniformBlockSize = |
| screen->get_shader_param(screen, PIPE_SHADER_FRAGMENT, |
| PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE); |
| 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->Program[MESA_SHADER_FRAGMENT]; |
| options = &c->ShaderCompilerOptions[MESA_SHADER_FRAGMENT]; |
| break; |
| case PIPE_SHADER_VERTEX: |
| pc = &c->Program[MESA_SHADER_VERTEX]; |
| options = &c->ShaderCompilerOptions[MESA_SHADER_VERTEX]; |
| break; |
| case PIPE_SHADER_GEOMETRY: |
| 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; |
| case PIPE_SHADER_COMPUTE: |
| pc = &c->Program[MESA_SHADER_COMPUTE]; |
| options = &c->ShaderCompilerOptions[MESA_SHADER_COMPUTE]; |
| |
| if (!screen->get_param(screen, PIPE_CAP_COMPUTE)) |
| continue; |
| supported_irs = |
| screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_SUPPORTED_IRS); |
| if (!(supported_irs & (1 << PIPE_SHADER_IR_TGSI))) |
| continue; |
| break; |
| default: |
| assert(0); |
| } |
| |
| 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 = sh == PIPE_SHADER_VERTEX ? 1 : 0; |
| pc->MaxParameters = |
| pc->MaxNativeParameters = |
| screen->get_shader_param(screen, sh, |
| PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE) / sizeof(float[4]); |
| pc->MaxInputComponents = |
| screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_MAX_INPUTS) * 4; |
| pc->MaxOutputComponents = |
| screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_MAX_OUTPUTS) * 4; |
| |
| 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); |
| |
| pc->MaxAtomicCounters = MAX_ATOMIC_COUNTERS; |
| pc->MaxAtomicBuffers = screen->get_shader_param( |
| screen, sh, PIPE_SHADER_CAP_MAX_SHADER_BUFFERS) / 2; |
| pc->MaxShaderStorageBlocks = pc->MaxAtomicBuffers; |
| |
| pc->MaxImageUniforms = screen->get_shader_param( |
| screen, sh, PIPE_SHADER_CAP_MAX_SHADER_IMAGES); |
| |
| /* Gallium doesn't really care about local vs. env parameters so use the |
| * same limits. |
| */ |
| pc->MaxLocalParams = MIN2(pc->MaxParameters, MAX_PROGRAM_LOCAL_PARAMS); |
| pc->MaxEnvParams = MIN2(pc->MaxParameters, MAX_PROGRAM_ENV_PARAMS); |
| |
| if (screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_INTEGERS)) { |
| pc->LowInt.RangeMin = 31; |
| pc->LowInt.RangeMax = 30; |
| pc->LowInt.Precision = 0; |
| pc->MediumInt = pc->HighInt = pc->LowInt; |
| } |
| |
| /* TODO: make these more fine-grained if anyone needs it */ |
| options->MaxIfDepth = |
| screen->get_shader_param(screen, sh, |
| PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH); |
| options->EmitNoLoops = |
| !screen->get_shader_param(screen, sh, |
| PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH); |
| options->EmitNoFunctions = true; |
| options->EmitNoMainReturn = |
| !screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_SUBROUTINES); |
| |
| options->EmitNoCont = |
| !screen->get_shader_param(screen, sh, |
| PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED); |
| |
| options->EmitNoIndirectInput = |
| !screen->get_shader_param(screen, sh, |
| PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR); |
| options->EmitNoIndirectOutput = |
| !screen->get_shader_param(screen, sh, |
| PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR); |
| options->EmitNoIndirectTemp = |
| !screen->get_shader_param(screen, sh, |
| PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR); |
| 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 |
| options->MaxUnrollIterations = |
| screen->get_shader_param(screen, sh, |
| PIPE_SHADER_CAP_MAX_UNROLL_ITERATIONS_HINT); |
| |
| options->LowerCombinedClipCullDistance = true; |
| options->LowerBufferInterfaceBlocks = true; |
| } |
| |
| c->GLSLOptimizeConservatively = |
| screen->get_param(screen, PIPE_CAP_GLSL_OPTIMIZE_CONSERVATIVELY); |
| c->LowerTessLevel = true; |
| c->LowerCsDerivedVariables = true; |
| c->PrimitiveRestartForPatches = |
| screen->get_param(screen, PIPE_CAP_PRIMITIVE_RESTART_FOR_PATCHES); |
| |
| 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 + |
| c->Program[MESA_SHADER_COMPUTE].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->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); |
| |
| 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->MaxTransformFeedbackBuffers = |
| screen->get_param(screen, PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS); |
| c->MaxTransformFeedbackBuffers = MIN2(c->MaxTransformFeedbackBuffers, |
| MAX_FEEDBACK_BUFFERS); |
| c->MaxTransformFeedbackSeparateComponents = |
| 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->MaxVertexAttribStride |
| = screen->get_param(screen, PIPE_CAP_MAX_VERTEX_ATTRIB_STRIDE); |
| |
| c->StripTextureBorder = GL_TRUE; |
| |
| c->GLSLSkipStrictMaxUniformLimitCheck = |
| screen->get_param(screen, PIPE_CAP_TGSI_CAN_COMPACT_CONSTANTS); |
| |
| c->UniformBufferOffsetAlignment = |
| screen->get_param(screen, PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT); |
| |
| if (can_ubo) { |
| extensions->ARB_uniform_buffer_object = GL_TRUE; |
| 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 + |
| c->Program[MESA_SHADER_COMPUTE].MaxUniformBlocks; |
| assert(c->MaxCombinedUniformBlocks <= MAX_COMBINED_UNIFORM_BUFFERS); |
| } |
| |
| c->GLSLFragCoordIsSysVal = |
| screen->get_param(screen, PIPE_CAP_TGSI_FS_POSITION_IS_SYSVAL); |
| c->GLSLFrontFacingIsSysVal = |
| screen->get_param(screen, PIPE_CAP_TGSI_FS_FACE_IS_INTEGER_SYSVAL); |
| |
| c->MaxAtomicBufferBindings = |
| c->Program[MESA_SHADER_FRAGMENT].MaxAtomicBuffers; |
| c->MaxCombinedAtomicBuffers = |
| c->Program[MESA_SHADER_VERTEX].MaxAtomicBuffers + |
| c->Program[MESA_SHADER_TESS_CTRL].MaxAtomicBuffers + |
| c->Program[MESA_SHADER_TESS_EVAL].MaxAtomicBuffers + |
| c->Program[MESA_SHADER_GEOMETRY].MaxAtomicBuffers + |
| c->Program[MESA_SHADER_FRAGMENT].MaxAtomicBuffers; |
| assert(c->MaxCombinedAtomicBuffers <= MAX_COMBINED_ATOMIC_BUFFERS); |
| |
| if (c->MaxCombinedAtomicBuffers > 0) { |
| extensions->ARB_shader_atomic_counters = GL_TRUE; |
| extensions->ARB_shader_atomic_counter_ops = GL_TRUE; |
| } |
| |
| c->MaxCombinedShaderOutputResources = c->MaxDrawBuffers; |
| c->ShaderStorageBufferOffsetAlignment = |
| screen->get_param(screen, PIPE_CAP_SHADER_BUFFER_OFFSET_ALIGNMENT); |
| if (c->ShaderStorageBufferOffsetAlignment) { |
| c->MaxCombinedShaderStorageBlocks = c->MaxShaderStorageBufferBindings = |
| c->MaxCombinedAtomicBuffers; |
| c->MaxCombinedShaderOutputResources += |
| c->MaxCombinedShaderStorageBlocks; |
| c->MaxShaderStorageBlockSize = 1 << 27; |
| extensions->ARB_shader_storage_buffer_object = GL_TRUE; |
| } |
| |
| c->MaxCombinedImageUniforms = |
| c->Program[MESA_SHADER_VERTEX].MaxImageUniforms + |
| c->Program[MESA_SHADER_TESS_CTRL].MaxImageUniforms + |
| c->Program[MESA_SHADER_TESS_EVAL].MaxImageUniforms + |
| c->Program[MESA_SHADER_GEOMETRY].MaxImageUniforms + |
| c->Program[MESA_SHADER_FRAGMENT].MaxImageUniforms + |
| c->Program[MESA_SHADER_COMPUTE].MaxImageUniforms; |
| c->MaxCombinedShaderOutputResources += c->MaxCombinedImageUniforms; |
| c->MaxImageUnits = MAX_IMAGE_UNITS; |
| if (c->MaxCombinedImageUniforms) { |
| extensions->ARB_shader_image_load_store = GL_TRUE; |
| extensions->ARB_shader_image_size = GL_TRUE; |
| } |
| |
| /* ARB_framebuffer_no_attachments */ |
| c->MaxFramebufferWidth = c->MaxViewportWidth; |
| c->MaxFramebufferHeight = c->MaxViewportHeight; |
| /* NOTE: we cheat here a little by assuming that |
| * PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS has the same |
| * number of layers as we need, although we technically |
| * could have more the generality is not really useful |
| * in practicality. |
| */ |
| c->MaxFramebufferLayers = |
| screen->get_param(screen, PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS); |
| |
| c->MaxWindowRectangles = |
| screen->get_param(screen, PIPE_CAP_MAX_WINDOW_RECTANGLES); |
| } |
| |
| |
| /** |
| * Given a member \c x of struct gl_extensions, return offset of |
| * \c x in bytes. |
| */ |
| #define o(x) offsetof(struct gl_extensions, x) |
| |
| |
| struct st_extension_cap_mapping { |
| int extension_offset; |
| int cap; |
| }; |
| |
| struct st_extension_format_mapping { |
| int extension_offset[2]; |
| 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. */ |
| GLboolean need_at_least_one; |
| }; |
| |
| /** |
| * Enable extensions if certain pipe formats are supported by the driver. |
| * What extensions will be enabled and what formats must be supported is |
| * described by the array of st_extension_format_mapping. |
| * |
| * target and bind_flags are passed to is_format_supported. |
| */ |
| static void |
| init_format_extensions(struct pipe_screen *screen, |
| struct gl_extensions *extensions, |
| const struct st_extension_format_mapping *mapping, |
| unsigned num_mappings, |
| enum pipe_texture_target target, |
| unsigned bind_flags) |
| { |
| GLboolean *extension_table = (GLboolean *) extensions; |
| unsigned i; |
| int j; |
| 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; |
| |
| /* Examine each format in the list. */ |
| for (j = 0; j < num_formats && mapping[i].format[j]; j++) { |
| if (screen->is_format_supported(screen, mapping[i].format[j], |
| target, 0, bind_flags)) { |
| num_supported++; |
| } |
| } |
| |
| if (!num_supported || |
| (!mapping[i].need_at_least_one && num_supported != j)) { |
| continue; |
| } |
| |
| /* Enable all extensions in the list. */ |
| for (j = 0; j < num_ext && mapping[i].extension_offset[j]; j++) |
| extension_table[mapping[i].extension_offset[j]] = GL_TRUE; |
| } |
| } |
| |
| |
| /** |
| * Given a list of formats and bind flags, return the maximum number |
| * of samples supported by any of those formats. |
| */ |
| static unsigned |
| get_max_samples_for_formats(struct pipe_screen *screen, |
| unsigned num_formats, |
| enum pipe_format *formats, |
| unsigned max_samples, |
| unsigned bind) |
| { |
| unsigned i, f; |
| |
| for (i = max_samples; i > 0; --i) { |
| for (f = 0; f < num_formats; f++) { |
| if (screen->is_format_supported(screen, formats[f], |
| PIPE_TEXTURE_2D, i, bind)) { |
| return i; |
| } |
| } |
| } |
| return 0; |
| } |
| |
| |
| /** |
| * Use pipe_screen::get_param() to query PIPE_CAP_ values to determine |
| * which GL extensions are supported. |
| * Quite a few extensions are always supported because they are standard |
| * features or can be built on top of other gallium features. |
| * Some fine tuning may still be needed. |
| */ |
| void st_init_extensions(struct pipe_screen *screen, |
| struct gl_constants *consts, |
| struct gl_extensions *extensions, |
| struct st_config_options *options, |
| boolean has_lib_dxtc) |
| { |
| unsigned i; |
| GLboolean *extension_table = (GLboolean *) extensions; |
| |
| 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_clear_texture), PIPE_CAP_CLEAR_TEXTURE }, |
| { o(ARB_clip_control), PIPE_CAP_CLIP_HALFZ }, |
| { o(ARB_color_buffer_float), PIPE_CAP_VERTEX_COLOR_UNCLAMPED }, |
| { o(ARB_conditional_render_inverted), PIPE_CAP_CONDITIONAL_RENDER_INVERTED }, |
| { o(ARB_copy_image), PIPE_CAP_COPY_BETWEEN_COMPRESSED_AND_PLAIN_FORMATS }, |
| { o(OES_copy_image), PIPE_CAP_COPY_BETWEEN_COMPRESSED_AND_PLAIN_FORMATS }, |
| { o(ARB_cull_distance), PIPE_CAP_CULL_DISTANCE }, |
| { o(ARB_depth_clamp), PIPE_CAP_DEPTH_CLIP_DISABLE }, |
| { o(ARB_depth_texture), PIPE_CAP_TEXTURE_SHADOW_MAP }, |
| { o(ARB_derivative_control), PIPE_CAP_TGSI_FS_FINE_DERIVATIVE }, |
| { o(ARB_draw_buffers_blend), PIPE_CAP_INDEP_BLEND_FUNC }, |
| { o(ARB_draw_indirect), PIPE_CAP_DRAW_INDIRECT }, |
| { 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_indirect_parameters), PIPE_CAP_MULTI_DRAW_INDIRECT_PARAMS }, |
| { 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_query_buffer_object), PIPE_CAP_QUERY_BUFFER_OBJECT }, |
| { o(ARB_robust_buffer_access_behavior), PIPE_CAP_ROBUST_BUFFER_ACCESS_BEHAVIOR }, |
| { o(ARB_sample_shading), PIPE_CAP_SAMPLE_SHADING }, |
| { o(ARB_seamless_cube_map), PIPE_CAP_SEAMLESS_CUBE_MAP }, |
| { o(ARB_shader_draw_parameters), PIPE_CAP_DRAW_PARAMETERS }, |
| { o(ARB_shader_group_vote), PIPE_CAP_TGSI_VOTE }, |
| { 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_cube_map_array), PIPE_CAP_CUBE_MAP_ARRAY }, |
| { 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_multisample), PIPE_CAP_TEXTURE_MULTISAMPLE }, |
| { o(ARB_texture_non_power_of_two), PIPE_CAP_NPOT_TEXTURES }, |
| { o(ARB_texture_query_lod), PIPE_CAP_TEXTURE_QUERY_LOD }, |
| { o(ARB_texture_view), PIPE_CAP_SAMPLER_VIEW_TARGET }, |
| { 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_INTERLEAVE_BUFFERS }, |
| |
| { o(KHR_blend_equation_advanced), PIPE_CAP_TGSI_FS_FBFETCH }, |
| |
| { o(EXT_blend_equation_separate), PIPE_CAP_BLEND_EQUATION_SEPARATE }, |
| { o(EXT_depth_bounds_test), PIPE_CAP_DEPTH_BOUNDS_TEST }, |
| { o(EXT_draw_buffers2), PIPE_CAP_INDEP_BLEND_ENABLE }, |
| { o(EXT_polygon_offset_clamp), PIPE_CAP_POLYGON_OFFSET_CLAMP }, |
| { 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_transform_feedback), PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS }, |
| { o(EXT_window_rectangles), PIPE_CAP_MAX_WINDOW_RECTANGLES }, |
| |
| { o(AMD_pinned_memory), PIPE_CAP_RESOURCE_FROM_USER_MEMORY }, |
| { o(ATI_meminfo), PIPE_CAP_QUERY_MEMORY_INFO }, |
| { o(AMD_seamless_cubemap_per_texture), PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE }, |
| { 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 }, |
| { o(NVX_gpu_memory_info), PIPE_CAP_QUERY_MEMORY_INFO }, |
| /* 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 }, |
| }; |
| |
| /* Required: render target and sampler support */ |
| static const struct st_extension_format_mapping rendertarget_mapping[] = { |
| { { o(ARB_texture_float) }, |
| { 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 }, |
| GL_TRUE }, /* at least one format must be supported */ |
| |
| { { o(EXT_framebuffer_sRGB) }, |
| { PIPE_FORMAT_A8B8G8R8_SRGB, |
| PIPE_FORMAT_B8G8R8A8_SRGB }, |
| GL_TRUE }, /* at least one format must be supported */ |
| |
| { { o(EXT_packed_float) }, |
| { PIPE_FORMAT_R11G11B10_FLOAT } }, |
| |
| { { 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 */ |
| static const struct st_extension_format_mapping depthstencil_mapping[] = { |
| { { o(ARB_depth_buffer_float) }, |
| { PIPE_FORMAT_Z32_FLOAT, |
| PIPE_FORMAT_Z32_FLOAT_S8X24_UINT } }, |
| }; |
| |
| /* Required: sampler support */ |
| static const struct st_extension_format_mapping texture_mapping[] = { |
| { { o(ARB_texture_compression_rgtc) }, |
| { PIPE_FORMAT_RGTC1_UNORM, |
| PIPE_FORMAT_RGTC1_SNORM, |
| PIPE_FORMAT_RGTC2_UNORM, |
| PIPE_FORMAT_RGTC2_SNORM } }, |
| |
| { { o(EXT_texture_compression_latc) }, |
| { PIPE_FORMAT_LATC1_UNORM, |
| PIPE_FORMAT_LATC1_SNORM, |
| PIPE_FORMAT_LATC2_UNORM, |
| PIPE_FORMAT_LATC2_SNORM } }, |
| |
| { { o(EXT_texture_compression_s3tc), |
| o(ANGLE_texture_compression_dxt) }, |
| { PIPE_FORMAT_DXT1_RGB, |
| PIPE_FORMAT_DXT1_RGBA, |
| PIPE_FORMAT_DXT3_RGBA, |
| PIPE_FORMAT_DXT5_RGBA } }, |
| |
| { { o(ARB_texture_compression_bptc) }, |
| { PIPE_FORMAT_BPTC_RGBA_UNORM, |
| PIPE_FORMAT_BPTC_SRGBA, |
| 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 } }, |
| |
| { { o(EXT_texture_snorm) }, |
| { PIPE_FORMAT_R8G8B8A8_SNORM } }, |
| |
| { { o(EXT_texture_sRGB), |
| o(EXT_texture_sRGB_decode) }, |
| { PIPE_FORMAT_A8B8G8R8_SRGB, |
| PIPE_FORMAT_B8G8R8A8_SRGB }, |
| GL_TRUE }, /* at least one format must be supported */ |
| |
| { { o(ATI_texture_compression_3dc) }, |
| { PIPE_FORMAT_LATC2_UNORM } }, |
| |
| { { o(MESA_ycbcr_texture) }, |
| { PIPE_FORMAT_UYVY, |
| PIPE_FORMAT_YUYV }, |
| GL_TRUE }, /* at least one format must be supported */ |
| |
| { { o(OES_compressed_ETC1_RGB8_texture) }, |
| { PIPE_FORMAT_ETC1_RGB8, |
| PIPE_FORMAT_R8G8B8A8_UNORM }, |
| GL_TRUE }, /* at least one format must be supported */ |
| |
| { { 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 */ |
| }; |
| |
| /* Required: vertex fetch support. */ |
| static const struct st_extension_format_mapping vertex_mapping[] = { |
| { { o(EXT_vertex_array_bgra) }, |
| { PIPE_FORMAT_B8G8R8A8_UNORM } }, |
| { { o(ARB_vertex_type_2_10_10_10_rev) }, |
| { PIPE_FORMAT_R10G10B10A2_UNORM, |
| PIPE_FORMAT_B10G10R10A2_UNORM, |
| PIPE_FORMAT_R10G10B10A2_SNORM, |
| PIPE_FORMAT_B10G10R10A2_SNORM, |
| PIPE_FORMAT_R10G10B10A2_USCALED, |
| 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, |
| } }, |
| }; |
| |
| /* |
| * Extensions that are supported by all Gallium drivers: |
| */ |
| extensions->ARB_ES2_compatibility = GL_TRUE; |
| extensions->ARB_draw_elements_base_vertex = GL_TRUE; |
| extensions->ARB_explicit_attrib_location = GL_TRUE; |
| extensions->ARB_explicit_uniform_location = GL_TRUE; |
| extensions->ARB_fragment_coord_conventions = GL_TRUE; |
| extensions->ARB_fragment_program = GL_TRUE; |
| extensions->ARB_fragment_shader = GL_TRUE; |
| extensions->ARB_half_float_vertex = GL_TRUE; |
| extensions->ARB_internalformat_query = GL_TRUE; |
| extensions->ARB_internalformat_query2 = GL_TRUE; |
| extensions->ARB_map_buffer_range = GL_TRUE; |
| extensions->ARB_texture_border_clamp = GL_TRUE; /* XXX temp */ |
| extensions->ARB_texture_cube_map = GL_TRUE; |
| extensions->ARB_texture_env_combine = GL_TRUE; |
| extensions->ARB_texture_env_crossbar = GL_TRUE; |
| extensions->ARB_texture_env_dot3 = GL_TRUE; |
| extensions->ARB_vertex_program = GL_TRUE; |
| extensions->ARB_vertex_shader = GL_TRUE; |
| |
| extensions->EXT_blend_color = GL_TRUE; |
| extensions->EXT_blend_func_separate = GL_TRUE; |
| extensions->EXT_blend_minmax = GL_TRUE; |
| extensions->EXT_gpu_program_parameters = GL_TRUE; |
| extensions->EXT_pixel_buffer_object = GL_TRUE; |
| extensions->EXT_point_parameters = GL_TRUE; |
| extensions->EXT_provoking_vertex = GL_TRUE; |
| |
| extensions->EXT_texture_env_dot3 = GL_TRUE; |
| |
| extensions->ATI_fragment_shader = GL_TRUE; |
| extensions->ATI_texture_env_combine3 = GL_TRUE; |
| |
| extensions->MESA_pack_invert = GL_TRUE; |
| |
| extensions->NV_fog_distance = GL_TRUE; |
| extensions->NV_texture_env_combine4 = GL_TRUE; |
| extensions->NV_texture_rectangle = GL_TRUE; |
| |
| extensions->OES_EGL_image = GL_TRUE; |
| extensions->OES_EGL_image_external = GL_TRUE; |
| extensions->OES_draw_texture = GL_TRUE; |
| |
| /* Expose the extensions which directly correspond to gallium caps. */ |
| 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; |
| } |
| } |
| |
| /* Expose the extensions which directly correspond to gallium formats. */ |
| init_format_extensions(screen, extensions, rendertarget_mapping, |
| ARRAY_SIZE(rendertarget_mapping), PIPE_TEXTURE_2D, |
| PIPE_BIND_RENDER_TARGET | PIPE_BIND_SAMPLER_VIEW); |
| init_format_extensions(screen, extensions, depthstencil_mapping, |
| ARRAY_SIZE(depthstencil_mapping), PIPE_TEXTURE_2D, |
| PIPE_BIND_DEPTH_STENCIL | PIPE_BIND_SAMPLER_VIEW); |
| init_format_extensions(screen, extensions, texture_mapping, |
| ARRAY_SIZE(texture_mapping), PIPE_TEXTURE_2D, |
| PIPE_BIND_SAMPLER_VIEW); |
| init_format_extensions(screen, extensions, vertex_mapping, |
| ARRAY_SIZE(vertex_mapping), PIPE_BUFFER, |
| PIPE_BIND_VERTEX_BUFFER); |
| |
| /* Figure out GLSL support and set GLSLVersion to it. */ |
| consts->GLSLVersion = screen->get_param(screen, PIPE_CAP_GLSL_FEATURE_LEVEL); |
| |
| _mesa_override_glsl_version(consts); |
| |
| if (options->force_glsl_version > 0 && |
| options->force_glsl_version <= consts->GLSLVersion) { |
| consts->ForceGLSLVersion = options->force_glsl_version; |
| } |
| |
| if (consts->GLSLVersion >= 400) |
| extensions->ARB_gpu_shader5 = GL_TRUE; |
| if (consts->GLSLVersion >= 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. */ |
| if (consts->GLSLVersion >= 150 && |
| screen->get_param(screen, PIPE_CAP_TGSI_VS_LAYER_VIEWPORT)) { |
| extensions->AMD_vertex_shader_layer = GL_TRUE; |
| } |
| |
| if (consts->GLSLVersion >= 140) { |
| if (screen->get_param(screen, PIPE_CAP_TGSI_ARRAY_COMPONENTS) && |
| screen->get_shader_param(screen, PIPE_SHADER_FRAGMENT, |
| PIPE_SHADER_CAP_PREFERRED_IR) == PIPE_SHADER_IR_TGSI) |
| extensions->ARB_enhanced_layouts = GL_TRUE; |
| } |
| |
| if (consts->GLSLVersion >= 130) { |
| consts->NativeIntegers = GL_TRUE; |
| consts->MaxClipPlanes = 8; |
| |
| if (screen->get_param(screen, PIPE_CAP_VERTEXID_NOBASE)) { |
| consts->VertexID_is_zero_based = GL_TRUE; |
| } |
| |
| /* Extensions that either depend on GLSL 1.30 or are a subset thereof. */ |
| extensions->ARB_conservative_depth = GL_TRUE; |
| extensions->ARB_shading_language_packing = GL_TRUE; |
| 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; |
| } |
| |
| extensions->EXT_shader_integer_mix = GL_TRUE; |
| extensions->ARB_arrays_of_arrays = GL_TRUE; |
| extensions->MESA_shader_integer_functions = GL_TRUE; |
| } else { |
| /* Optional integer support for GLSL 1.2. */ |
| if (screen->get_shader_param(screen, PIPE_SHADER_VERTEX, |
| PIPE_SHADER_CAP_INTEGERS) && |
| screen->get_shader_param(screen, PIPE_SHADER_FRAGMENT, |
| PIPE_SHADER_CAP_INTEGERS)) { |
| consts->NativeIntegers = GL_TRUE; |
| |
| extensions->EXT_shader_integer_mix = GL_TRUE; |
| } |
| |
| /* Integer textures make no sense before GLSL 1.30 */ |
| extensions->EXT_texture_integer = GL_FALSE; |
| } |
| |
| consts->GLSLZeroInit = options->glsl_zero_init; |
| |
| consts->UniformBooleanTrue = consts->NativeIntegers ? ~0U : fui(1.0f); |
| |
| /* Below are the cases which cannot be moved into tables easily. */ |
| |
| if (!has_lib_dxtc && !options->force_s3tc_enable) { |
| extensions->EXT_texture_compression_s3tc = GL_FALSE; |
| extensions->ANGLE_texture_compression_dxt = GL_FALSE; |
| } |
| |
| if (screen->get_shader_param(screen, PIPE_SHADER_TESS_CTRL, |
| PIPE_SHADER_CAP_MAX_INSTRUCTIONS) > 0) { |
| extensions->ARB_tessellation_shader = GL_TRUE; |
| } |
| |
| /* What this is really checking for is the ability to support multiple |
| * invocations of a geometry shader. There is no separate cap for that, so |
| * we check the GLSLVersion. |
| */ |
| if (consts->GLSLVersion >= 400 && |
| screen->get_shader_param(screen, PIPE_SHADER_GEOMETRY, |
| PIPE_SHADER_CAP_MAX_INSTRUCTIONS) > 0) { |
| extensions->OES_geometry_shader = GL_TRUE; |
| } |
| |
| if (screen->fence_finish) { |
| extensions->ARB_sync = GL_TRUE; |
| } |
| |
| /* Needs PIPE_CAP_SAMPLE_SHADING + all the sample-related bits of |
| * ARB_gpu_shader5. This enables all the per-sample shading ES extensions. |
| */ |
| extensions->OES_sample_variables = extensions->ARB_sample_shading && |
| extensions->ARB_gpu_shader5; |
| |
| /* Maximum sample count. */ |
| { |
| enum pipe_format color_formats[] = { |
| PIPE_FORMAT_R8G8B8A8_UNORM, |
| PIPE_FORMAT_B8G8R8A8_UNORM, |
| PIPE_FORMAT_A8R8G8B8_UNORM, |
| PIPE_FORMAT_A8B8G8R8_UNORM, |
| }; |
| enum pipe_format depth_formats[] = { |
| PIPE_FORMAT_Z16_UNORM, |
| PIPE_FORMAT_Z24X8_UNORM, |
| PIPE_FORMAT_X8Z24_UNORM, |
| PIPE_FORMAT_Z32_UNORM, |
| PIPE_FORMAT_Z32_FLOAT |
| }; |
| enum pipe_format int_formats[] = { |
| PIPE_FORMAT_R8G8B8A8_SINT |
| }; |
| enum pipe_format void_formats[] = { |
| PIPE_FORMAT_NONE |
| }; |
| |
| consts->MaxSamples = |
| get_max_samples_for_formats(screen, ARRAY_SIZE(color_formats), |
| color_formats, 16, |
| PIPE_BIND_RENDER_TARGET); |
| |
| consts->MaxImageSamples = |
| get_max_samples_for_formats(screen, ARRAY_SIZE(color_formats), |
| color_formats, 16, |
| PIPE_BIND_SHADER_IMAGE); |
| |
| consts->MaxColorTextureSamples = |
| 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, ARRAY_SIZE(depth_formats), |
| depth_formats, consts->MaxSamples, |
| PIPE_BIND_SAMPLER_VIEW); |
| |
| consts->MaxIntegerSamples = |
| get_max_samples_for_formats(screen, ARRAY_SIZE(int_formats), |
| int_formats, consts->MaxSamples, |
| PIPE_BIND_SAMPLER_VIEW); |
| |
| /* ARB_framebuffer_no_attachments, assume max no. of samples 32 */ |
| consts->MaxFramebufferSamples = |
| get_max_samples_for_formats(screen, ARRAY_SIZE(void_formats), |
| void_formats, 32, |
| PIPE_BIND_RENDER_TARGET); |
| } |
| if (consts->MaxSamples == 1) { |
| /* one sample doesn't really make sense */ |
| consts->MaxSamples = 0; |
| } |
| else if (consts->MaxSamples >= 2) { |
| extensions->EXT_framebuffer_multisample = GL_TRUE; |
| extensions->EXT_framebuffer_multisample_blit_scaled = GL_TRUE; |
| } |
| |
| if (consts->MaxSamples == 0 && screen->get_param(screen, PIPE_CAP_FAKE_SW_MSAA)) { |
| consts->FakeSWMSAA = GL_TRUE; |
| extensions->EXT_framebuffer_multisample = GL_TRUE; |
| extensions->EXT_framebuffer_multisample_blit_scaled = GL_TRUE; |
| extensions->ARB_texture_multisample = GL_TRUE; |
| } |
| |
| if (consts->MaxDualSourceDrawBuffers > 0 && |
| !options->disable_blend_func_extended) |
| extensions->ARB_blend_func_extended = GL_TRUE; |
| |
| if (screen->get_param(screen, PIPE_CAP_QUERY_TIME_ELAPSED) || |
| extensions->ARB_timer_query) { |
| extensions->EXT_timer_query = GL_TRUE; |
| } |
| |
| if (extensions->ARB_transform_feedback2 && |
| extensions->ARB_draw_instanced) { |
| extensions->ARB_transform_feedback_instanced = GL_TRUE; |
| } |
| if (options->force_glsl_extensions_warn) |
| consts->ForceGLSLExtensionsWarn = 1; |
| |
| if (options->disable_glsl_line_continuations) |
| consts->DisableGLSLLineContinuations = 1; |
| |
| if (options->allow_glsl_extension_directive_midshader) |
| consts->AllowGLSLExtensionDirectiveMidShader = GL_TRUE; |
| |
| consts->MinMapBufferAlignment = |
| screen->get_param(screen, PIPE_CAP_MIN_MAP_BUFFER_ALIGNMENT); |
| |
| if (extensions->ARB_texture_buffer_object) { |
| consts->MaxTextureBufferSize = |
| _min(screen->get_param(screen, PIPE_CAP_MAX_TEXTURE_BUFFER_SIZE), |
| (1u << 31) - 1); |
| consts->TextureBufferOffsetAlignment = |
| screen->get_param(screen, PIPE_CAP_TEXTURE_BUFFER_OFFSET_ALIGNMENT); |
| |
| if (consts->TextureBufferOffsetAlignment) |
| extensions->ARB_texture_buffer_range = GL_TRUE; |
| |
| init_format_extensions(screen, extensions, tbo_rgb32, |
| ARRAY_SIZE(tbo_rgb32), PIPE_BUFFER, |
| PIPE_BIND_SAMPLER_VIEW); |
| } |
| |
| extensions->OES_texture_buffer = |
| extensions->ARB_texture_buffer_object && |
| extensions->ARB_texture_buffer_range && |
| extensions->ARB_texture_buffer_object_rgb32 && |
| extensions->ARB_shader_image_load_store; |
| |
| /* 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 (!extensions->EXT_transform_feedback) |
| consts->DisableVaryingPacking = GL_TRUE; |
| } |
| |
| consts->MaxViewports = screen->get_param(screen, PIPE_CAP_MAX_VIEWPORTS); |
| if (consts->MaxViewports >= 16) { |
| if (consts->GLSLVersion >= 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; |
| } |
| |
| /* ARB_framebuffer_no_attachments */ |
| if (screen->get_param(screen, PIPE_CAP_FRAMEBUFFER_NO_ATTACHMENT) && |
| ((consts->MaxSamples >= 4 && consts->MaxFramebufferLayers >= 2048) || |
| (consts->MaxFramebufferSamples >= consts->MaxSamples && |
| consts->MaxFramebufferLayers >= consts->MaxArrayTextureLayers))) |
| extensions->ARB_framebuffer_no_attachments = GL_TRUE; |
| |
| /* GL_ARB_ES3_compatibility. |
| * |
| * Assume that ES3 is supported if GLSL 3.30 is supported. |
| * (OpenGL 3.3 is a requirement for that extension.) |
| */ |
| if (consts->GLSLVersion >= 330 && |
| /* Requirements for ETC2 emulation. */ |
| screen->is_format_supported(screen, PIPE_FORMAT_R8G8B8A8_UNORM, |
| PIPE_TEXTURE_2D, 0, |
| PIPE_BIND_SAMPLER_VIEW) && |
| screen->is_format_supported(screen, PIPE_FORMAT_B8G8R8A8_SRGB, |
| PIPE_TEXTURE_2D, 0, |
| PIPE_BIND_SAMPLER_VIEW) && |
| screen->is_format_supported(screen, PIPE_FORMAT_R16_UNORM, |
| PIPE_TEXTURE_2D, 0, |
| PIPE_BIND_SAMPLER_VIEW) && |
| screen->is_format_supported(screen, PIPE_FORMAT_R16G16_UNORM, |
| PIPE_TEXTURE_2D, 0, |
| PIPE_BIND_SAMPLER_VIEW) && |
| screen->is_format_supported(screen, PIPE_FORMAT_R16_SNORM, |
| PIPE_TEXTURE_2D, 0, |
| PIPE_BIND_SAMPLER_VIEW) && |
| screen->is_format_supported(screen, PIPE_FORMAT_R16G16_SNORM, |
| PIPE_TEXTURE_2D, 0, |
| PIPE_BIND_SAMPLER_VIEW)) { |
| extensions->ARB_ES3_compatibility = GL_TRUE; |
| } |
| |
| #ifdef HAVE_ST_VDPAU |
| if (screen->get_video_param && |
| screen->get_video_param(screen, PIPE_VIDEO_PROFILE_UNKNOWN, |
| PIPE_VIDEO_ENTRYPOINT_BITSTREAM, |
| PIPE_VIDEO_CAP_SUPPORTS_INTERLACED)) { |
| extensions->NV_vdpau_interop = GL_TRUE; |
| } |
| #endif |
| |
| 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; |
| } |
| |
| if ((ST_DEBUG & DEBUG_GREMEDY) && |
| screen->get_param(screen, PIPE_CAP_STRING_MARKER)) |
| extensions->GREMEDY_string_marker = GL_TRUE; |
| |
| if (screen->get_param(screen, PIPE_CAP_COMPUTE)) { |
| int compute_supported_irs = |
| screen->get_shader_param(screen, PIPE_SHADER_COMPUTE, |
| PIPE_SHADER_CAP_SUPPORTED_IRS); |
| if (compute_supported_irs & (1 << PIPE_SHADER_IR_TGSI)) { |
| uint64_t grid_size[3], block_size[3]; |
| uint64_t max_local_size, max_threads_per_block; |
| |
| screen->get_compute_param(screen, PIPE_SHADER_IR_TGSI, |
| PIPE_COMPUTE_CAP_MAX_GRID_SIZE, grid_size); |
| screen->get_compute_param(screen, PIPE_SHADER_IR_TGSI, |
| PIPE_COMPUTE_CAP_MAX_BLOCK_SIZE, block_size); |
| screen->get_compute_param(screen, PIPE_SHADER_IR_TGSI, |
| PIPE_COMPUTE_CAP_MAX_THREADS_PER_BLOCK, |
| &max_threads_per_block); |
| screen->get_compute_param(screen, PIPE_SHADER_IR_TGSI, |
| PIPE_COMPUTE_CAP_MAX_LOCAL_SIZE, |
| &max_local_size); |
| |
| consts->MaxComputeWorkGroupInvocations = max_threads_per_block; |
| consts->MaxComputeSharedMemorySize = max_local_size; |
| |
| for (i = 0; i < 3; i++) { |
| consts->MaxComputeWorkGroupCount[i] = grid_size[i]; |
| consts->MaxComputeWorkGroupSize[i] = block_size[i]; |
| } |
| |
| extensions->ARB_compute_shader = |
| extensions->ARB_shader_image_load_store && |
| extensions->ARB_shader_atomic_counters; |
| |
| if (extensions->ARB_compute_shader) { |
| uint64_t max_variable_threads_per_block = 0; |
| |
| screen->get_compute_param(screen, PIPE_SHADER_IR_TGSI, |
| PIPE_COMPUTE_CAP_MAX_VARIABLE_THREADS_PER_BLOCK, |
| &max_variable_threads_per_block); |
| |
| for (i = 0; i < 3; i++) { |
| /* Clamp the values to avoid having a local work group size |
| * greater than the maximum number of invocations. |
| */ |
| consts->MaxComputeVariableGroupSize[i] = |
| MIN2(consts->MaxComputeWorkGroupSize[i], |
| max_variable_threads_per_block); |
| } |
| consts->MaxComputeVariableGroupInvocations = |
| max_variable_threads_per_block; |
| |
| extensions->ARB_compute_variable_group_size = |
| max_variable_threads_per_block > 0; |
| } |
| } |
| } |
| |
| extensions->KHR_robustness = extensions->ARB_robust_buffer_access_behavior; |
| |
| /* If we support ES 3.1, we support the ES3_1_compatibility ext. However |
| * there's no clean way of telling whether we would support ES 3.1 from |
| * here, so copy the condition from compute_version_es2 here. A lot of |
| * these are redunant, but simpler to just have a (near-)exact copy here. |
| */ |
| extensions->ARB_ES3_1_compatibility = |
| extensions->ARB_ES3_compatibility && |
| extensions->ARB_arrays_of_arrays && |
| extensions->ARB_compute_shader && |
| extensions->ARB_draw_indirect && |
| extensions->ARB_explicit_uniform_location && |
| extensions->ARB_framebuffer_no_attachments && |
| extensions->ARB_shader_atomic_counters && |
| extensions->ARB_shader_image_load_store && |
| extensions->ARB_shader_image_size && |
| extensions->ARB_shader_storage_buffer_object && |
| extensions->ARB_shading_language_packing && |
| extensions->ARB_stencil_texturing && |
| extensions->ARB_texture_multisample && |
| extensions->ARB_gpu_shader5 && |
| extensions->EXT_shader_integer_mix; |
| |
| extensions->OES_texture_cube_map_array = |
| extensions->ARB_ES3_1_compatibility && |
| extensions->OES_geometry_shader && |
| extensions->ARB_texture_cube_map_array; |
| |
| extensions->OES_viewport_array = |
| extensions->ARB_ES3_1_compatibility && |
| extensions->OES_geometry_shader && |
| extensions->ARB_viewport_array; |
| |
| extensions->OES_primitive_bounding_box = extensions->ARB_ES3_1_compatibility; |
| consts->NoPrimitiveBoundingBoxOutput = true; |
| |
| extensions->ANDROID_extension_pack_es31a = |
| extensions->KHR_texture_compression_astc_ldr && |
| extensions->KHR_blend_equation_advanced && |
| extensions->OES_sample_variables && |
| extensions->ARB_shader_image_load_store && |
| extensions->ARB_texture_stencil8 && |
| extensions->ARB_texture_multisample && |
| extensions->OES_copy_image && |
| extensions->ARB_draw_buffers_blend && |
| extensions->OES_geometry_shader && |
| extensions->ARB_gpu_shader5 && |
| extensions->OES_primitive_bounding_box && |
| extensions->ARB_tessellation_shader && |
| extensions->ARB_texture_border_clamp && |
| extensions->OES_texture_buffer && |
| extensions->OES_texture_cube_map_array && |
| extensions->EXT_texture_sRGB_decode; |
| |
| /* Same deal as for ARB_ES3_1_compatibility - this has to be computed |
| * before overall versions are selected. Also it's actually a subset of ES |
| * 3.2, since it doesn't require ASTC or advanced blending. |
| */ |
| extensions->ARB_ES3_2_compatibility = |
| extensions->ARB_ES3_1_compatibility && |
| extensions->KHR_robustness && |
| extensions->ARB_copy_image && |
| extensions->ARB_draw_buffers_blend && |
| extensions->ARB_draw_elements_base_vertex && |
| extensions->OES_geometry_shader && |
| extensions->ARB_gpu_shader5 && |
| extensions->ARB_sample_shading && |
| extensions->ARB_tessellation_shader && |
| extensions->ARB_texture_border_clamp && |
| extensions->OES_texture_buffer && |
| extensions->ARB_texture_cube_map_array && |
| extensions->ARB_texture_stencil8 && |
| extensions->ARB_texture_multisample; |
| } |
