void GrVkPipelineState::writeSamplers(GrVkGpu* gpu,
const SkTArray<const GrTextureAccess*>& textureBindings,
bool allowSRGBInputs) {
SkASSERT(fNumSamplers == textureBindings.count());
for (int i = 0; i < textureBindings.count(); ++i) {
const GrTextureParams& params = textureBindings[i]->getParams();
GrVkTexture* texture = static_cast<GrVkTexture*>(textureBindings[i]->getTexture());
if (GrTextureParams::kMipMap_FilterMode == params.filterMode()) {
if (texture->texturePriv().mipMapsAreDirty()) {
gpu->generateMipmap(texture);
texture->texturePriv().dirtyMipMaps(false);
}
}
fSamplers.push(gpu->resourceProvider().findOrCreateCompatibleSampler(params,
texture->texturePriv().maxMipMapLevel()));
const GrVkResource* textureResource = texture->resource();
textureResource->ref();
fTextures.push(textureResource);
const GrVkImageView* textureView = texture->textureView(allowSRGBInputs);
textureView->ref();
fTextureViews.push(textureView);
// Change texture layout so it can be read in shader
texture->setImageLayout(gpu,
VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL,
VK_ACCESS_SHADER_READ_BIT,
VK_PIPELINE_STAGE_ALL_GRAPHICS_BIT,
false);
VkDescriptorImageInfo imageInfo;
memset(&imageInfo, 0, sizeof(VkDescriptorImageInfo));
imageInfo.sampler = fSamplers[i]->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));
}
}
void GrVkPipelineState::writeUniformBuffers(const GrVkGpu* gpu) {
VkWriteDescriptorSet descriptorWrites[3];
VkDescriptorBufferInfo bufferInfos[3];
uint32_t writeCount = 0;
// Geometry Uniform Buffer
if (fGeometryUniformBuffer.get()) {
set_uniform_descriptor_writes(&descriptorWrites[writeCount],
&bufferInfos[writeCount],
fGeometryUniformBuffer.get(),
fDescriptorSets[GrVkUniformHandler::kUniformBufferDescSet],
GrVkUniformHandler::kGeometryBinding);
++writeCount;
}
// Fragment Uniform Buffer
if (fFragmentUniformBuffer.get()) {
set_uniform_descriptor_writes(&descriptorWrites[writeCount],
&bufferInfos[writeCount],
fFragmentUniformBuffer.get(),
fDescriptorSets[GrVkUniformHandler::kUniformBufferDescSet],
GrVkUniformHandler::kFragBinding);
++writeCount;
}
if (writeCount) {
GR_VK_CALL(gpu->vkInterface(), UpdateDescriptorSets(gpu->device(),
writeCount,
descriptorWrites,
0, nullptr));
}
}
void GrVkPipelineState::writeUniformBuffers(const GrVkGpu* gpu) {
VkWriteDescriptorSet descriptorWrites[2];
memset(descriptorWrites, 0, 2 * sizeof(VkWriteDescriptorSet));
uint32_t firstUniformWrite = 0;
uint32_t uniformBindingUpdateCount = 0;
VkDescriptorBufferInfo vertBufferInfo;
// Vertex Uniform Buffer
if (fVertexUniformBuffer.get()) {
++uniformBindingUpdateCount;
memset(&vertBufferInfo, 0, sizeof(VkDescriptorBufferInfo));
vertBufferInfo.buffer = fVertexUniformBuffer->buffer();
vertBufferInfo.offset = 0;
vertBufferInfo.range = fVertexUniformBuffer->size();
descriptorWrites[0].sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET;
descriptorWrites[0].pNext = nullptr;
descriptorWrites[0].dstSet = fDescriptorSets[GrVkUniformHandler::kUniformBufferDescSet];
descriptorWrites[0].dstBinding = GrVkUniformHandler::kVertexBinding;
descriptorWrites[0].dstArrayElement = 0;
descriptorWrites[0].descriptorCount = 1;
descriptorWrites[0].descriptorType = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER;
descriptorWrites[0].pImageInfo = nullptr;
descriptorWrites[0].pBufferInfo = &vertBufferInfo;
descriptorWrites[0].pTexelBufferView = nullptr;
}
VkDescriptorBufferInfo fragBufferInfo;
// Fragment Uniform Buffer
if (fFragmentUniformBuffer.get()) {
if (0 == uniformBindingUpdateCount) {
firstUniformWrite = 1;
}
++uniformBindingUpdateCount;
memset(&fragBufferInfo, 0, sizeof(VkDescriptorBufferInfo));
fragBufferInfo.buffer = fFragmentUniformBuffer->buffer();
fragBufferInfo.offset = 0;
fragBufferInfo.range = fFragmentUniformBuffer->size();
descriptorWrites[1].sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET;
descriptorWrites[1].pNext = nullptr;
descriptorWrites[1].dstSet = fDescriptorSets[GrVkUniformHandler::kUniformBufferDescSet];
descriptorWrites[1].dstBinding = GrVkUniformHandler::kFragBinding;;
descriptorWrites[1].dstArrayElement = 0;
descriptorWrites[1].descriptorCount = 1;
descriptorWrites[1].descriptorType = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER;
descriptorWrites[1].pImageInfo = nullptr;
descriptorWrites[1].pBufferInfo = &fragBufferInfo;
descriptorWrites[1].pTexelBufferView = nullptr;
}
if (uniformBindingUpdateCount) {
GR_VK_CALL(gpu->vkInterface(), UpdateDescriptorSets(gpu->device(),
uniformBindingUpdateCount,
&descriptorWrites[firstUniformWrite],
0, nullptr));
}
}
void GrVkProgram::writeSamplers(const GrVkGpu* gpu,
const SkTArray<const GrTextureAccess*>& textureBindings) {
SkASSERT(fNumSamplers == textureBindings.count());
for (int i = 0; i < textureBindings.count(); ++i) {
fSamplers.push(GrVkSampler::Create(gpu, *textureBindings[i]));
GrVkTexture* texture = static_cast<GrVkTexture*>(textureBindings[i]->getTexture());
const GrVkImage::Resource* textureResource = texture->resource();
textureResource->ref();
fTextures.push(textureResource);
const GrVkImageView* textureView = texture->textureView();
textureView->ref();
fTextureViews.push(textureView);
// Change texture layout so it can be read in shader
VkImageLayout layout = texture->currentLayout();
VkPipelineStageFlags srcStageMask = GrVkMemory::LayoutToPipelineStageFlags(layout);
VkPipelineStageFlags dstStageMask = VK_PIPELINE_STAGE_ALL_GRAPHICS_BIT;
VkAccessFlags srcAccessMask = GrVkMemory::LayoutToSrcAccessMask(layout);
VkAccessFlags dstAccessMask = VK_ACCESS_SHADER_READ_BIT;
texture->setImageLayout(gpu,
VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL,
srcAccessMask,
dstAccessMask,
srcStageMask,
dstStageMask,
false);
VkDescriptorImageInfo imageInfo;
memset(&imageInfo, 0, sizeof(VkDescriptorImageInfo));
imageInfo.sampler = fSamplers[i]->sampler();
imageInfo.imageView = texture->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));
}
}
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);
}
}
bool GrVkCopyManager::copySurfaceAsDraw(GrVkGpu* gpu,
GrSurface* dst, GrSurfaceOrigin dstOrigin,
GrSurface* src, GrSurfaceOrigin srcOrigin,
const SkIRect& srcRect, const SkIPoint& dstPoint,
bool canDiscardOutsideDstRect) {
// None of our copy methods can handle a swizzle. TODO: Make copySurfaceAsDraw handle the
// swizzle.
if (gpu->caps()->shaderCaps()->configOutputSwizzle(src->config()) !=
gpu->caps()->shaderCaps()->configOutputSwizzle(dst->config())) {
return false;
}
GrVkRenderTarget* rt = static_cast<GrVkRenderTarget*>(dst->asRenderTarget());
if (!rt) {
return false;
}
GrVkTexture* srcTex = static_cast<GrVkTexture*>(src->asTexture());
if (!srcTex) {
return false;
}
if (VK_NULL_HANDLE == fVertShaderModule) {
SkASSERT(VK_NULL_HANDLE == fFragShaderModule &&
nullptr == fPipelineLayout &&
nullptr == fVertexBuffer.get() &&
nullptr == fUniformBuffer.get());
if (!this->createCopyProgram(gpu)) {
SkDebugf("Failed to create copy program.\n");
return false;
}
}
SkASSERT(fPipelineLayout);
GrVkResourceProvider& resourceProv = gpu->resourceProvider();
GrVkCopyPipeline* pipeline = resourceProv.findOrCreateCopyPipeline(rt,
fShaderStageInfo,
fPipelineLayout->layout());
if (!pipeline) {
return false;
}
// UPDATE UNIFORM DESCRIPTOR SET
int w = srcRect.width();
int h = srcRect.height();
// dst rect edges in NDC (-1 to 1)
int dw = dst->width();
int dh = dst->height();
float dx0 = 2.f * dstPoint.fX / dw - 1.f;
float dx1 = 2.f * (dstPoint.fX + w) / dw - 1.f;
float dy0 = 2.f * dstPoint.fY / dh - 1.f;
float dy1 = 2.f * (dstPoint.fY + h) / dh - 1.f;
if (kBottomLeft_GrSurfaceOrigin == dstOrigin) {
dy0 = -dy0;
dy1 = -dy1;
}
float sx0 = (float)srcRect.fLeft;
float sx1 = (float)(srcRect.fLeft + w);
float sy0 = (float)srcRect.fTop;
float sy1 = (float)(srcRect.fTop + h);
int sh = src->height();
if (kBottomLeft_GrSurfaceOrigin == srcOrigin) {
sy0 = sh - sy0;
sy1 = sh - sy1;
}
// src rect edges in normalized texture space (0 to 1).
int sw = src->width();
sx0 /= sw;
sx1 /= sw;
sy0 /= sh;
sy1 /= sh;
float uniData[] = { dx1 - dx0, dy1 - dy0, dx0, dy0, // posXform
sx1 - sx0, sy1 - sy0, sx0, sy0 }; // texCoordXform
fUniformBuffer->updateData(gpu, uniData, sizeof(uniData), nullptr);
const GrVkDescriptorSet* uniformDS = resourceProv.getUniformDescriptorSet();
SkASSERT(uniformDS);
VkDescriptorBufferInfo uniBufferInfo;
uniBufferInfo.buffer = fUniformBuffer->buffer();
uniBufferInfo.offset = fUniformBuffer->offset();
uniBufferInfo.range = fUniformBuffer->size();
VkWriteDescriptorSet descriptorWrites;
descriptorWrites.sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET;
descriptorWrites.pNext = nullptr;
descriptorWrites.dstSet = uniformDS->descriptorSet();
descriptorWrites.dstBinding = GrVkUniformHandler::kGeometryBinding;
descriptorWrites.dstArrayElement = 0;
descriptorWrites.descriptorCount = 1;
descriptorWrites.descriptorType = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER;
descriptorWrites.pImageInfo = nullptr;
descriptorWrites.pBufferInfo = &uniBufferInfo;
descriptorWrites.pTexelBufferView = nullptr;
GR_VK_CALL(gpu->vkInterface(), UpdateDescriptorSets(gpu->device(),
1,
&descriptorWrites,
0, nullptr));
// UPDATE SAMPLER DESCRIPTOR SET
const GrVkDescriptorSet* samplerDS =
gpu->resourceProvider().getSamplerDescriptorSet(fSamplerDSHandle);
GrSamplerState samplerState = GrSamplerState::ClampNearest();
GrVkSampler* sampler = resourceProv.findOrCreateCompatibleSampler(
samplerState, GrVkYcbcrConversionInfo());
VkDescriptorImageInfo imageInfo;
memset(&imageInfo, 0, sizeof(VkDescriptorImageInfo));
imageInfo.sampler = sampler->sampler();
imageInfo.imageView = srcTex->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 = samplerDS->descriptorSet();
writeInfo.dstBinding = 0;
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));
VkDescriptorSet vkDescSets[] = { uniformDS->descriptorSet(), samplerDS->descriptorSet() };
GrVkRenderTarget* texRT = static_cast<GrVkRenderTarget*>(srcTex->asRenderTarget());
if (texRT) {
gpu->resolveRenderTargetNoFlush(texRT);
}
// TODO: Make tighter bounds and then adjust bounds for origin and granularity if we see
// any perf issues with using the whole bounds
SkIRect bounds = SkIRect::MakeWH(rt->width(), rt->height());
// Change layouts of rt and texture. We aren't blending so we don't need color attachment read
// access for blending.
GrVkImage* targetImage = rt->msaaImage() ? rt->msaaImage() : rt;
VkAccessFlags dstAccessFlags = VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT;
if (!canDiscardOutsideDstRect) {
// We need to load the color attachment so need to be able to read it.
dstAccessFlags |= VK_ACCESS_COLOR_ATTACHMENT_READ_BIT;
}
targetImage->setImageLayout(gpu,
VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,
dstAccessFlags,
VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT,
false);
srcTex->setImageLayout(gpu,
VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL,
VK_ACCESS_SHADER_READ_BIT,
VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT,
false);
GrStencilAttachment* stencil = rt->renderTargetPriv().getStencilAttachment();
if (stencil) {
GrVkStencilAttachment* vkStencil = (GrVkStencilAttachment*)stencil;
// We aren't actually using the stencil but we still load and store it so we need
// appropriate barriers.
// TODO: Once we refactor surface and how we conntect stencil to RTs, we should not even
// have the stencil on this render pass if possible.
vkStencil->setImageLayout(gpu,
VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL,
VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_READ_BIT |
VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_WRITE_BIT,
VK_PIPELINE_STAGE_EARLY_FRAGMENT_TESTS_BIT,
false);
}
VkAttachmentLoadOp loadOp = canDiscardOutsideDstRect ? VK_ATTACHMENT_LOAD_OP_DONT_CARE
: VK_ATTACHMENT_LOAD_OP_LOAD;
GrVkRenderPass::LoadStoreOps vkColorOps(loadOp, VK_ATTACHMENT_STORE_OP_STORE);
GrVkRenderPass::LoadStoreOps vkStencilOps(VK_ATTACHMENT_LOAD_OP_LOAD,
VK_ATTACHMENT_STORE_OP_STORE);
const GrVkRenderPass* renderPass;
const GrVkResourceProvider::CompatibleRPHandle& rpHandle = rt->compatibleRenderPassHandle();
if (rpHandle.isValid()) {
renderPass = gpu->resourceProvider().findRenderPass(rpHandle,
vkColorOps,
vkStencilOps);
} else {
renderPass = gpu->resourceProvider().findRenderPass(*rt,
vkColorOps,
vkStencilOps);
}
SkASSERT(renderPass->isCompatible(*rt->simpleRenderPass()));
GrVkPrimaryCommandBuffer* cmdBuffer = gpu->currentCommandBuffer();
cmdBuffer->beginRenderPass(gpu, renderPass, nullptr, *rt, bounds, true);
GrVkSecondaryCommandBuffer* secondary = gpu->cmdPool()->findOrCreateSecondaryCommandBuffer(gpu);
if (!secondary) {
return false;
}
secondary->begin(gpu, rt->framebuffer(), renderPass);
secondary->bindPipeline(gpu, pipeline);
// Uniform DescriptorSet, Sampler DescriptorSet, and vertex shader uniformBuffer
SkSTArray<3, const GrVkRecycledResource*> descriptorRecycledResources;
descriptorRecycledResources.push_back(uniformDS);
descriptorRecycledResources.push_back(samplerDS);
descriptorRecycledResources.push_back(fUniformBuffer->resource());
// One sampler, texture view, and texture
SkSTArray<3, const GrVkResource*> descriptorResources;
descriptorResources.push_back(sampler);
descriptorResources.push_back(srcTex->textureView());
descriptorResources.push_back(srcTex->resource());
secondary->bindDescriptorSets(gpu,
descriptorRecycledResources,
descriptorResources,
fPipelineLayout,
0,
2,
vkDescSets,
0,
nullptr);
// Set Dynamic viewport and stencil
// We always use one viewport the size of the RT
VkViewport viewport;
viewport.x = 0.0f;
viewport.y = 0.0f;
viewport.width = SkIntToScalar(rt->width());
viewport.height = SkIntToScalar(rt->height());
viewport.minDepth = 0.0f;
viewport.maxDepth = 1.0f;
secondary->setViewport(gpu, 0, 1, &viewport);
// We assume the scissor is not enabled so just set it to the whole RT
VkRect2D scissor;
scissor.extent.width = rt->width();
scissor.extent.height = rt->height();
scissor.offset.x = 0;
scissor.offset.y = 0;
secondary->setScissor(gpu, 0, 1, &scissor);
secondary->bindInputBuffer(gpu, 0, fVertexBuffer.get());
secondary->draw(gpu, 4, 1, 0, 0);
secondary->end(gpu);
cmdBuffer->executeCommands(gpu, secondary);
cmdBuffer->endRenderPass(gpu);
secondary->unref(gpu);
// Release all temp resources which should now be reffed by the cmd buffer
pipeline->unref(gpu);
uniformDS->unref(gpu);
samplerDS->unref(gpu);
sampler->unref(gpu);
renderPass->unref(gpu);
return true;
}
