diff options
author | 2016-07-29 07:36:52 -0700 | |
---|---|---|
committer | 2016-07-29 07:36:52 -0700 | |
commit | 0d9990f052670a8af29e1e775c414810f8fc6e86 (patch) | |
tree | 721b816372734c5f6791b208b35dc701d8fbf1ab /src/gpu/gl/GrGLProgramDesc.cpp | |
parent | 50ce1f28ffede3fa3e38d330d4114ee52b387848 (diff) |
Merge ProgramDesc's for GL and Vulkan
BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2184413002
Review-Url: https://codereview.chromium.org/2184413002
Diffstat (limited to 'src/gpu/gl/GrGLProgramDesc.cpp')
-rw-r--r-- | src/gpu/gl/GrGLProgramDesc.cpp | 190 |
1 files changed, 0 insertions, 190 deletions
diff --git a/src/gpu/gl/GrGLProgramDesc.cpp b/src/gpu/gl/GrGLProgramDesc.cpp deleted file mode 100644 index 695a46d240..0000000000 --- a/src/gpu/gl/GrGLProgramDesc.cpp +++ /dev/null @@ -1,190 +0,0 @@ -/* - * Copyright 2013 Google Inc. - * - * Use of this source code is governed by a BSD-style license that can be - * found in the LICENSE file. - */ -#include "GrGLProgramDesc.h" - -#include "GrProcessor.h" -#include "GrPipeline.h" -#include "GrRenderTargetPriv.h" -#include "SkChecksum.h" -#include "gl/GrGLDefines.h" -#include "gl/GrGLTexture.h" -#include "gl/GrGLTypes.h" -#include "glsl/GrGLSLFragmentProcessor.h" -#include "glsl/GrGLSLFragmentShaderBuilder.h" -#include "glsl/GrGLSLCaps.h" - -static uint16_t sampler_key(GrSLType samplerType, GrPixelConfig config, GrShaderFlags visibility, - const GrGLSLCaps& caps) { - enum { - kFirstSamplerType = kTexture2DSampler_GrSLType, - kLastSamplerType = kTextureBufferSampler_GrSLType, - kSamplerTypeKeyBits = 4 - }; - GR_STATIC_ASSERT(kLastSamplerType - kFirstSamplerType < (1 << kSamplerTypeKeyBits)); - - SkASSERT((int)samplerType >= kFirstSamplerType && (int)samplerType <= kLastSamplerType); - int samplerTypeKey = samplerType - kFirstSamplerType; - - return SkToU16(caps.configTextureSwizzle(config).asKey() | - (samplerTypeKey << 8) | - (caps.samplerPrecision(config, visibility) << (8 + kSamplerTypeKeyBits))); -} - -static void add_sampler_keys(GrProcessorKeyBuilder* b, const GrProcessor& proc, - const GrGLSLCaps& caps) { - int numTextures = proc.numTextures(); - int numSamplers = numTextures + proc.numBuffers(); - // Need two bytes per key (swizzle, sampler type, and precision). - int word32Count = (numSamplers + 1) / 2; - if (0 == word32Count) { - return; - } - uint16_t* k16 = SkTCast<uint16_t*>(b->add32n(word32Count)); - int i = 0; - for (; i < numTextures; ++i) { - const GrTextureAccess& access = proc.textureAccess(i); - const GrTexture* tex = access.getTexture(); - k16[i] = sampler_key(tex->samplerType(), tex->config(), access.getVisibility(), caps); - } - for (; i < numSamplers; ++i) { - const GrBufferAccess& access = proc.bufferAccess(i - numTextures); - k16[i] = sampler_key(kTextureBufferSampler_GrSLType, access.texelConfig(), - access.visibility(), caps); - } - // zero the last 16 bits if the number of samplers is odd. - if (numSamplers & 0x1) { - k16[numSamplers] = 0; - } -} - -/** - * A function which emits a meta key into the key builder. This is required because shader code may - * be dependent on properties of the effect that the effect itself doesn't use - * in its key (e.g. the pixel format of textures used). So we create a meta-key for - * every effect using this function. It is also responsible for inserting the effect's class ID - * which must be different for every GrProcessor subclass. It can fail if an effect uses too many - * transforms, etc, for the space allotted in the meta-key. NOTE, both FPs and GPs share this - * function because it is hairy, though FPs do not have attribs, and GPs do not have transforms - */ -static bool gen_meta_key(const GrProcessor& proc, - const GrGLSLCaps& glslCaps, - uint32_t transformKey, - GrProcessorKeyBuilder* b) { - size_t processorKeySize = b->size(); - uint32_t classID = proc.classID(); - - // Currently we allow 16 bits for the class id and the overall processor key size. - static const uint32_t kMetaKeyInvalidMask = ~((uint32_t) SK_MaxU16); - if ((processorKeySize | classID) & kMetaKeyInvalidMask) { - return false; - } - - add_sampler_keys(b, proc, glslCaps); - - uint32_t* key = b->add32n(2); - key[0] = (classID << 16) | SkToU32(processorKeySize); - key[1] = transformKey; - return true; -} - -static bool gen_frag_proc_and_meta_keys(const GrPrimitiveProcessor& primProc, - const GrFragmentProcessor& fp, - const GrGLSLCaps& glslCaps, - GrProcessorKeyBuilder* b) { - for (int i = 0; i < fp.numChildProcessors(); ++i) { - if (!gen_frag_proc_and_meta_keys(primProc, fp.childProcessor(i), glslCaps, b)) { - return false; - } - } - - fp.getGLSLProcessorKey(glslCaps, b); - - return gen_meta_key(fp, glslCaps, primProc.getTransformKey(fp.coordTransforms(), - fp.numTransformsExclChildren()), b); -} - -bool GrGLProgramDescBuilder::Build(GrProgramDesc* desc, - const GrPrimitiveProcessor& primProc, - const GrPipeline& pipeline, - const GrGLSLCaps& glslCaps) { - // The descriptor is used as a cache key. Thus when a field of the - // descriptor will not affect program generation (because of the attribute - // bindings in use or other descriptor field settings) it should be set - // to a canonical value to avoid duplicate programs with different keys. - - GrGLProgramDesc* glDesc = (GrGLProgramDesc*) desc; - - GR_STATIC_ASSERT(0 == kProcessorKeysOffset % sizeof(uint32_t)); - // Make room for everything up to the effect keys. - glDesc->key().reset(); - glDesc->key().push_back_n(kProcessorKeysOffset); - - GrProcessorKeyBuilder b(&glDesc->key()); - - primProc.getGLSLProcessorKey(glslCaps, &b); - if (!gen_meta_key(primProc, glslCaps, 0, &b)) { - glDesc->key().reset(); - return false; - } - GrProcessor::RequiredFeatures requiredFeatures = primProc.requiredFeatures(); - - for (int i = 0; i < pipeline.numFragmentProcessors(); ++i) { - const GrFragmentProcessor& fp = pipeline.getFragmentProcessor(i); - if (!gen_frag_proc_and_meta_keys(primProc, fp, glslCaps, &b)) { - glDesc->key().reset(); - return false; - } - requiredFeatures |= fp.requiredFeatures(); - } - - const GrXferProcessor& xp = pipeline.getXferProcessor(); - xp.getGLSLProcessorKey(glslCaps, &b); - if (!gen_meta_key(xp, glslCaps, 0, &b)) { - glDesc->key().reset(); - return false; - } - requiredFeatures |= xp.requiredFeatures(); - - // --------DO NOT MOVE HEADER ABOVE THIS LINE-------------------------------------------------- - // Because header is a pointer into the dynamic array, we can't push any new data into the key - // below here. - KeyHeader* header = glDesc->atOffset<KeyHeader, kHeaderOffset>(); - - // make sure any padding in the header is zeroed. - memset(header, 0, kHeaderSize); - - GrRenderTarget* rt = pipeline.getRenderTarget(); - - if (requiredFeatures & (GrProcessor::kFragmentPosition_RequiredFeature | - GrProcessor::kSampleLocations_RequiredFeature)) { - header->fSurfaceOriginKey = GrGLSLFragmentShaderBuilder::KeyForSurfaceOrigin(rt->origin()); - } else { - header->fSurfaceOriginKey = 0; - } - - if (requiredFeatures & GrProcessor::kSampleLocations_RequiredFeature) { - SkASSERT(pipeline.isHWAntialiasState()); - header->fSamplePatternKey = - rt->renderTargetPriv().getMultisampleSpecs(pipeline.getStencil()).fUniqueID; - } else { - header->fSamplePatternKey = 0; - } - - header->fOutputSwizzle = glslCaps.configOutputSwizzle(rt->config()).asKey(); - - if (pipeline.ignoresCoverage()) { - header->fIgnoresCoverage = 1; - } else { - header->fIgnoresCoverage = 0; - } - - header->fSnapVerticesToPixelCenters = pipeline.snapVerticesToPixelCenters(); - header->fColorEffectCnt = pipeline.numColorFragmentProcessors(); - header->fCoverageEffectCnt = pipeline.numCoverageFragmentProcessors(); - glDesc->finalize(); - return true; -} |