Timothy Liang | 057c390 | 2018-08-08 10:48:45 -0400 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2018 Google Inc. |
| 3 | * |
| 4 | * Use of this source code is governed by a BSD-style license that can be |
| 5 | * found in the LICENSE file. |
| 6 | */ |
| 7 | |
| 8 | #include "GrMtlPipelineState.h" |
| 9 | |
Timothy Liang | 6ed6396 | 2018-08-10 09:49:44 -0400 | [diff] [blame] | 10 | #include "GrContext.h" |
| 11 | #include "GrContextPriv.h" |
| 12 | #include "GrPipeline.h" |
| 13 | #include "GrRenderTarget.h" |
| 14 | #include "GrTexturePriv.h" |
Timothy Liang | 057c390 | 2018-08-08 10:48:45 -0400 | [diff] [blame] | 15 | #include "GrMtlBuffer.h" |
| 16 | #include "GrMtlGpu.h" |
Timothy Liang | 6ed6396 | 2018-08-10 09:49:44 -0400 | [diff] [blame] | 17 | #include "GrMtlSampler.h" |
| 18 | #include "GrMtlTexture.h" |
| 19 | #include "glsl/GrGLSLFragmentProcessor.h" |
| 20 | #include "glsl/GrGLSLGeometryProcessor.h" |
| 21 | #include "glsl/GrGLSLXferProcessor.h" |
Timothy Liang | 057c390 | 2018-08-08 10:48:45 -0400 | [diff] [blame] | 22 | |
Timothy Liang | 6ed6396 | 2018-08-10 09:49:44 -0400 | [diff] [blame] | 23 | GrMtlPipelineState::SamplerBindings::SamplerBindings(const GrSamplerState& state, |
| 24 | GrTexture* texture, |
| 25 | GrShaderFlags flags, |
| 26 | GrMtlGpu* gpu) |
| 27 | : fTexture(static_cast<GrMtlTexture*>(texture)->mtlTexture()) |
| 28 | , fVisibility(flags) { |
| 29 | // TODO: use resource provider to get sampler. |
| 30 | std::unique_ptr<GrMtlSampler> sampler( |
| 31 | GrMtlSampler::Create(gpu, state, texture->texturePriv().maxMipMapLevel())); |
| 32 | fSampler = sampler->mtlSamplerState(); |
| 33 | } |
| 34 | |
| 35 | GrMtlPipelineState::GrMtlPipelineState( |
| 36 | GrMtlGpu* gpu, |
| 37 | id<MTLRenderPipelineState> pipelineState, |
| 38 | MTLPixelFormat pixelFormat, |
| 39 | const GrGLSLBuiltinUniformHandles& builtinUniformHandles, |
| 40 | const UniformInfoArray& uniforms, |
| 41 | GrMtlBuffer* geometryUniformBuffer, |
| 42 | GrMtlBuffer* fragmentUniformBuffer, |
| 43 | uint32_t numSamplers, |
| 44 | std::unique_ptr<GrGLSLPrimitiveProcessor> geometryProcessor, |
| 45 | std::unique_ptr<GrGLSLXferProcessor> xferProcessor, |
| 46 | std::unique_ptr<std::unique_ptr<GrGLSLFragmentProcessor>[]> fragmentProcessors, |
| 47 | int fragmentProcessorCnt) |
Timothy Liang | 057c390 | 2018-08-08 10:48:45 -0400 | [diff] [blame] | 48 | : fGpu(gpu) |
| 49 | , fPipelineState(pipelineState) |
| 50 | , fPixelFormat(pixelFormat) |
Timothy Liang | 6ed6396 | 2018-08-10 09:49:44 -0400 | [diff] [blame] | 51 | , fBuiltinUniformHandles(builtinUniformHandles) |
Timothy Liang | 057c390 | 2018-08-08 10:48:45 -0400 | [diff] [blame] | 52 | , fGeometryUniformBuffer(geometryUniformBuffer) |
Timothy Liang | 6ed6396 | 2018-08-10 09:49:44 -0400 | [diff] [blame] | 53 | , fFragmentUniformBuffer(fragmentUniformBuffer) |
| 54 | , fNumSamplers(numSamplers) |
| 55 | , fGeometryProcessor(std::move(geometryProcessor)) |
| 56 | , fXferProcessor(std::move(xferProcessor)) |
| 57 | , fFragmentProcessors(std::move(fragmentProcessors)) |
| 58 | , fFragmentProcessorCnt(fragmentProcessorCnt) |
| 59 | , fDataManager(uniforms, geometryUniformBuffer->sizeInBytes(), |
| 60 | fragmentUniformBuffer->sizeInBytes()) { |
Timothy Liang | 057c390 | 2018-08-08 10:48:45 -0400 | [diff] [blame] | 61 | (void) fPixelFormat; // Suppress unused-var warning. |
| 62 | } |
Timothy Liang | 6ed6396 | 2018-08-10 09:49:44 -0400 | [diff] [blame] | 63 | |
| 64 | void GrMtlPipelineState::setData(const GrPrimitiveProcessor& primProc, |
| 65 | const GrPipeline& pipeline, |
| 66 | const GrTextureProxy* const primProcTextures[]) { |
| 67 | SkASSERT(primProcTextures || !primProc.numTextureSamplers()); |
| 68 | |
| 69 | this->setRenderTargetState(pipeline.proxy()); |
| 70 | fGeometryProcessor->setData(fDataManager, primProc, |
| 71 | GrFragmentProcessor::CoordTransformIter(pipeline)); |
| 72 | fSamplerBindings.reset(); |
| 73 | for (int i = 0; i < primProc.numTextureSamplers(); ++i) { |
| 74 | const auto& sampler = primProc.textureSampler(i); |
| 75 | auto texture = static_cast<GrMtlTexture*>(primProcTextures[i]->peekTexture()); |
| 76 | fSamplerBindings.emplace_back(sampler.samplerState(), texture, sampler.visibility(), fGpu); |
| 77 | } |
| 78 | |
| 79 | GrFragmentProcessor::Iter iter(pipeline); |
| 80 | GrGLSLFragmentProcessor::Iter glslIter(fFragmentProcessors.get(), fFragmentProcessorCnt); |
| 81 | const GrFragmentProcessor* fp = iter.next(); |
| 82 | GrGLSLFragmentProcessor* glslFP = glslIter.next(); |
| 83 | while (fp && glslFP) { |
| 84 | glslFP->setData(fDataManager, *fp); |
| 85 | for (int i = 0; i < fp->numTextureSamplers(); ++i) { |
| 86 | const auto& sampler = fp->textureSampler(i); |
| 87 | fSamplerBindings.emplace_back(sampler.samplerState(), sampler.peekTexture(), |
| 88 | kFragment_GrShaderFlag, fGpu); |
| 89 | } |
| 90 | fp = iter.next(); |
| 91 | glslFP = glslIter.next(); |
| 92 | } |
| 93 | SkASSERT(!fp && !glslFP); |
| 94 | |
| 95 | { |
| 96 | SkIPoint offset; |
| 97 | GrTexture* dstTexture = pipeline.peekDstTexture(&offset); |
| 98 | |
| 99 | fXferProcessor->setData(fDataManager, pipeline.getXferProcessor(), dstTexture, offset); |
| 100 | } |
| 101 | |
| 102 | if (GrTextureProxy* dstTextureProxy = pipeline.dstTextureProxy()) { |
| 103 | fSamplerBindings.emplace_back(GrSamplerState::ClampNearest(), |
| 104 | dstTextureProxy->peekTexture(), |
| 105 | kFragment_GrShaderFlag, |
| 106 | fGpu); |
| 107 | } |
| 108 | |
| 109 | SkASSERT(fNumSamplers == fSamplerBindings.count()); |
| 110 | if (fGeometryUniformBuffer || fFragmentUniformBuffer) { |
| 111 | fDataManager.uploadUniformBuffers(fGpu, fGeometryUniformBuffer.get(), |
| 112 | fFragmentUniformBuffer.get()); |
| 113 | } |
| 114 | } |
| 115 | |
| 116 | void GrMtlPipelineState::bind(id<MTLRenderCommandEncoder> renderCmdEncoder) { |
| 117 | if (fGeometryUniformBuffer) { |
| 118 | [renderCmdEncoder setVertexBuffer: fGeometryUniformBuffer->mtlBuffer() |
| 119 | offset: 0 |
| 120 | atIndex: GrMtlUniformHandler::kGeometryBinding]; |
| 121 | } |
| 122 | if (fFragmentUniformBuffer) { |
| 123 | [renderCmdEncoder setFragmentBuffer: fFragmentUniformBuffer->mtlBuffer() |
| 124 | offset: 0 |
| 125 | atIndex: GrMtlUniformHandler::kFragBinding]; |
| 126 | } |
| 127 | SkASSERT(fNumSamplers == fSamplerBindings.count()); |
| 128 | for (int index = 0; index < fNumSamplers; ++index) { |
| 129 | if (fSamplerBindings[index].fVisibility & kVertex_GrShaderFlag) { |
| 130 | [renderCmdEncoder setVertexTexture: fSamplerBindings[index].fTexture |
| 131 | atIndex: index]; |
| 132 | [renderCmdEncoder setVertexSamplerState: fSamplerBindings[index].fSampler |
| 133 | atIndex: index]; |
| 134 | } |
| 135 | if (fSamplerBindings[index].fVisibility & kFragment_GrShaderFlag) { |
| 136 | [renderCmdEncoder setFragmentTexture: fSamplerBindings[index].fTexture |
| 137 | atIndex: index]; |
| 138 | [renderCmdEncoder setFragmentSamplerState: fSamplerBindings[index].fSampler |
| 139 | atIndex: index]; |
| 140 | } |
| 141 | } |
| 142 | } |
| 143 | |
| 144 | void GrMtlPipelineState::setRenderTargetState(const GrRenderTargetProxy* proxy) { |
| 145 | GrRenderTarget* rt = proxy->peekRenderTarget(); |
| 146 | |
| 147 | // Load the RT height uniform if it is needed to y-flip gl_FragCoord. |
Greg Daniel | e6ab998 | 2018-08-22 13:56:32 +0000 | [diff] [blame] | 148 | if (fBuiltinUniformHandles.fRTHeightUni.isValid() && |
| 149 | fRenderTargetState.fRenderTargetSize.fHeight != rt->height()) { |
| 150 | fDataManager.set1f(fBuiltinUniformHandles.fRTHeightUni, SkIntToScalar(rt->height())); |
Timothy Liang | 6ed6396 | 2018-08-10 09:49:44 -0400 | [diff] [blame] | 151 | } |
| 152 | |
| 153 | // set RT adjustment |
| 154 | SkISize size; |
| 155 | size.set(rt->width(), rt->height()); |
| 156 | SkASSERT(fBuiltinUniformHandles.fRTAdjustmentUni.isValid()); |
| 157 | if (fRenderTargetState.fRenderTargetOrigin != proxy->origin() || |
| 158 | fRenderTargetState.fRenderTargetSize != size) { |
| 159 | fRenderTargetState.fRenderTargetSize = size; |
| 160 | fRenderTargetState.fRenderTargetOrigin = proxy->origin(); |
| 161 | |
| 162 | float rtAdjustmentVec[4]; |
| 163 | fRenderTargetState.getRTAdjustmentVec(rtAdjustmentVec); |
| 164 | fDataManager.set4fv(fBuiltinUniformHandles.fRTAdjustmentUni, 1, rtAdjustmentVec); |
| 165 | } |
| 166 | } |
Timothy Liang | de0be80 | 2018-08-10 13:48:08 -0400 | [diff] [blame] | 167 | |
| 168 | static bool blend_coeff_refs_constant(GrBlendCoeff coeff) { |
| 169 | switch (coeff) { |
| 170 | case kConstC_GrBlendCoeff: |
| 171 | case kIConstC_GrBlendCoeff: |
| 172 | case kConstA_GrBlendCoeff: |
| 173 | case kIConstA_GrBlendCoeff: |
| 174 | return true; |
| 175 | default: |
| 176 | return false; |
| 177 | } |
| 178 | } |
| 179 | |
| 180 | void GrMtlPipelineState::setBlendConstants(id<MTLRenderCommandEncoder> renderCmdEncoder, |
| 181 | GrPixelConfig config, |
| 182 | const GrXferProcessor& xferProcessor) { |
| 183 | if (!renderCmdEncoder) { |
| 184 | return; |
| 185 | } |
| 186 | |
| 187 | GrXferProcessor::BlendInfo blendInfo; |
| 188 | xferProcessor.getBlendInfo(&blendInfo); |
| 189 | GrBlendCoeff srcCoeff = blendInfo.fSrcBlend; |
| 190 | GrBlendCoeff dstCoeff = blendInfo.fDstBlend; |
| 191 | if (blend_coeff_refs_constant(srcCoeff) || blend_coeff_refs_constant(dstCoeff)) { |
| 192 | float floatColors[4]; |
| 193 | // Swizzle the blend to match what the shader will output. |
| 194 | const GrSwizzle& swizzle = fGpu->caps()->shaderCaps()->configOutputSwizzle(config); |
| 195 | GrColor blendConst = swizzle.applyTo(blendInfo.fBlendConstant); |
| 196 | GrColorToRGBAFloat(blendConst, floatColors); |
| 197 | |
| 198 | [renderCmdEncoder setBlendColorRed: floatColors[0] |
| 199 | green: floatColors[1] |
| 200 | blue: floatColors[2] |
| 201 | alpha: floatColors[3]]; |
| 202 | } |
| 203 | } |