本文整理汇总了C++中GrPrimitiveProcessor::textureSampler方法的典型用法代码示例。如果您正苦于以下问题：C++ GrPrimitiveProcessor::textureSampler方法的具体用法？C++ GrPrimitiveProcessor::textureSampler怎么用？C++ GrPrimitiveProcessor::textureSampler使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类GrPrimitiveProcessor的用法示例。
在下文中一共展示了GrPrimitiveProcessor::textureSampler方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: onDraw
void GrVkGpuRTCommandBuffer::onDraw(const GrPrimitiveProcessor& primProc,
const GrPipeline& pipeline,
const GrPipeline::FixedDynamicState* fixedDynamicState,
const GrPipeline::DynamicStateArrays* dynamicStateArrays,
const GrMesh meshes[],
int meshCount,
const SkRect& bounds) {
if (!meshCount) {
return;
}
CommandBufferInfo& cbInfo = fCommandBufferInfos[fCurrentCmdInfo];
auto prepareSampledImage = [&](GrTexture* texture, GrSamplerState::Filter filter) {
GrVkTexture* vkTexture = static_cast<GrVkTexture*>(texture);
// We may need to resolve the texture first if it is also a render target
GrVkRenderTarget* texRT = static_cast<GrVkRenderTarget*>(vkTexture->asRenderTarget());
if (texRT) {
fGpu->resolveRenderTargetNoFlush(texRT);
}
// Check if we need to regenerate any mip maps
if (GrSamplerState::Filter::kMipMap == filter &&
(vkTexture->width() != 1 || vkTexture->height() != 1)) {
SkASSERT(vkTexture->texturePriv().mipMapped() == GrMipMapped::kYes);
if (vkTexture->texturePriv().mipMapsAreDirty()) {
fGpu->regenerateMipMapLevels(vkTexture);
}
}
cbInfo.fSampledTextures.push_back(vkTexture);
};
if (dynamicStateArrays && dynamicStateArrays->fPrimitiveProcessorTextures) {
for (int m = 0, i = 0; m < meshCount; ++m) {
for (int s = 0; s < primProc.numTextureSamplers(); ++s, ++i) {
auto texture = dynamicStateArrays->fPrimitiveProcessorTextures[i]->peekTexture();
prepareSampledImage(texture, primProc.textureSampler(s).samplerState().filter());
}
}
} else {
for (int i = 0; i < primProc.numTextureSamplers(); ++i) {
auto texture = fixedDynamicState->fPrimitiveProcessorTextures[i]->peekTexture();
prepareSampledImage(texture, primProc.textureSampler(i).samplerState().filter());
}
}
GrFragmentProcessor::Iter iter(pipeline);
while (const GrFragmentProcessor* fp = iter.next()) {
for (int i = 0; i < fp->numTextureSamplers(); ++i) {
const GrFragmentProcessor::TextureSampler& sampler = fp->textureSampler(i);
prepareSampledImage(sampler.peekTexture(), sampler.samplerState().filter());
}
}
if (GrTexture* dstTexture = pipeline.peekDstTexture()) {
cbInfo.fSampledTextures.push_back(sk_ref_sp(static_cast<GrVkTexture*>(dstTexture)));
}
GrPrimitiveType primitiveType = meshes[0].primitiveType();
GrVkPipelineState* pipelineState = this->prepareDrawState(primProc, pipeline, fixedDynamicState,
dynamicStateArrays, primitiveType);
if (!pipelineState) {
return;
}
bool dynamicScissor =
pipeline.isScissorEnabled() && dynamicStateArrays && dynamicStateArrays->fScissorRects;
bool dynamicTextures = dynamicStateArrays && dynamicStateArrays->fPrimitiveProcessorTextures;
for (int i = 0; i < meshCount; ++i) {
const GrMesh& mesh = meshes[i];
if (mesh.primitiveType() != primitiveType) {
SkDEBUGCODE(pipelineState = nullptr);
primitiveType = mesh.primitiveType();
pipelineState = this->prepareDrawState(primProc, pipeline, fixedDynamicState,
dynamicStateArrays, primitiveType);
if (!pipelineState) {
return;
}
}
if (dynamicScissor) {
GrVkPipeline::SetDynamicScissorRectState(fGpu, cbInfo.currentCmdBuf(), fRenderTarget,
fOrigin,
dynamicStateArrays->fScissorRects[i]);
}
if (dynamicTextures) {
GrTextureProxy* const* meshProxies = dynamicStateArrays->fPrimitiveProcessorTextures +
primProc.numTextureSamplers() * i;
pipelineState->setAndBindTextures(fGpu, primProc, pipeline, meshProxies,
cbInfo.currentCmdBuf());
}
SkASSERT(pipelineState);
mesh.sendToGpu(this);
}
cbInfo.fBounds.join(bounds);
cbInfo.fIsEmpty = false;
}示例2: setAndBindTextures
void GrVkPipelineState::setAndBindTextures(GrVkGpu* gpu,
const GrPrimitiveProcessor& primProc,
const GrPipeline& pipeline,
const GrTextureProxy* const primProcTextures[],
GrVkCommandBuffer* commandBuffer) {
SkASSERT(primProcTextures || !primProc.numTextureSamplers());
struct SamplerBindings {
GrSamplerState fState;
GrVkTexture* fTexture;
};
SkAutoSTMalloc<8, SamplerBindings> samplerBindings(fNumSamplers);
int currTextureBinding = 0;
fGeometryProcessor->setData(fDataManager, primProc,
GrFragmentProcessor::CoordTransformIter(pipeline));
for (int i = 0; i < primProc.numTextureSamplers(); ++i) {
const auto& sampler = primProc.textureSampler(i);
auto texture = static_cast<GrVkTexture*>(primProcTextures[i]->peekTexture());
samplerBindings[currTextureBinding++] = {sampler.samplerState(), texture};
}
GrFragmentProcessor::Iter iter(pipeline);
GrGLSLFragmentProcessor::Iter glslIter(fFragmentProcessors.get(), fFragmentProcessorCnt);
const GrFragmentProcessor* fp = iter.next();
GrGLSLFragmentProcessor* glslFP = glslIter.next();
while (fp && glslFP) {
for (int i = 0; i < fp->numTextureSamplers(); ++i) {
const auto& sampler = fp->textureSampler(i);
samplerBindings[currTextureBinding++] =
{sampler.samplerState(), static_cast<GrVkTexture*>(sampler.peekTexture())};
}
fp = iter.next();
glslFP = glslIter.next();
}
SkASSERT(!fp && !glslFP);
if (GrTextureProxy* dstTextureProxy = pipeline.dstTextureProxy()) {
samplerBindings[currTextureBinding++] = {
GrSamplerState::ClampNearest(),
static_cast<GrVkTexture*>(dstTextureProxy->peekTexture())};
}
// Get new descriptor set
SkASSERT(fNumSamplers == currTextureBinding);
if (fNumSamplers) {
if (fSamplerDescriptorSet) {
fSamplerDescriptorSet->recycle(gpu);
}
fSamplerDescriptorSet = gpu->resourceProvider().getSamplerDescriptorSet(fSamplerDSHandle);
int samplerDSIdx = GrVkUniformHandler::kSamplerDescSet;
fDescriptorSets[samplerDSIdx] = fSamplerDescriptorSet->descriptorSet();
for (int i = 0; i < fNumSamplers; ++i) {
const GrSamplerState& state = samplerBindings[i].fState;
GrVkTexture* texture = samplerBindings[i].fTexture;
const GrVkImageView* textureView = texture->textureView();
const GrVkSampler* sampler = nullptr;
if (fImmutableSamplers[i]) {
sampler = fImmutableSamplers[i];
} else {
sampler = gpu->resourceProvider().findOrCreateCompatibleSampler(
state, texture->ycbcrConversionInfo());
}
SkASSERT(sampler);
VkDescriptorImageInfo imageInfo;
memset(&imageInfo, 0, sizeof(VkDescriptorImageInfo));
imageInfo.sampler = sampler->sampler();
imageInfo.imageView = textureView->imageView();
imageInfo.imageLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
VkWriteDescriptorSet writeInfo;
memset(&writeInfo, 0, sizeof(VkWriteDescriptorSet));
writeInfo.sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET;
writeInfo.pNext = nullptr;
writeInfo.dstSet = fDescriptorSets[GrVkUniformHandler::kSamplerDescSet];
writeInfo.dstBinding = i;
writeInfo.dstArrayElement = 0;
writeInfo.descriptorCount = 1;
writeInfo.descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER;
writeInfo.pImageInfo = &imageInfo;
writeInfo.pBufferInfo = nullptr;
writeInfo.pTexelBufferView = nullptr;
GR_VK_CALL(gpu->vkInterface(),
UpdateDescriptorSets(gpu->device(), 1, &writeInfo, 0, nullptr));
commandBuffer->addResource(sampler);
if (!fImmutableSamplers[i]) {
sampler->unref(gpu);
}
commandBuffer->addResource(samplerBindings[i].fTexture->textureView());
commandBuffer->addResource(samplerBindings[i].fTexture->resource());
}
commandBuffer->bindDescriptorSets(gpu, this, fPipelineLayout, samplerDSIdx, 1,
&fDescriptorSets[samplerDSIdx], 0, nullptr);
commandBuffer->addRecycledResource(fSamplerDescriptorSet);
}
}