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/*
* Copyright 2016 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "GrVkCopyManager.h"
#include "GrSamplerParams.h"
#include "GrShaderCaps.h"
#include "GrSurface.h"
#include "GrTexturePriv.h"
#include "GrVkCommandBuffer.h"
#include "GrVkCopyPipeline.h"
#include "GrVkDescriptorSet.h"
#include "GrVkGpu.h"
#include "GrVkImageView.h"
#include "GrVkRenderTarget.h"
#include "GrVkResourceProvider.h"
#include "GrVkSampler.h"
#include "GrVkTexture.h"
#include "GrVkUniformBuffer.h"
#include "GrVkVertexBuffer.h"
#include "SkPoint.h"
#include "SkRect.h"
GrVkCopyManager::GrVkCopyManager()
: fVertShaderModule(VK_NULL_HANDLE)
, fFragShaderModule(VK_NULL_HANDLE)
, fPipelineLayout(VK_NULL_HANDLE) {}
GrVkCopyManager::~GrVkCopyManager() {}
bool GrVkCopyManager::createCopyProgram(GrVkGpu* gpu) {
const GrShaderCaps* shaderCaps = gpu->caps()->shaderCaps();
const char* version = shaderCaps->versionDeclString();
SkString vertShaderText(version);
vertShaderText.append(
"#extension GL_ARB_separate_shader_objects : enable\n"
"#extension GL_ARB_shading_language_420pack : enable\n"
"layout(set = 0, binding = 0) uniform vertexUniformBuffer {"
"mediump vec4 uPosXform;"
"mediump vec4 uTexCoordXform;"
"};"
"layout(location = 0) in highp vec2 inPosition;"
"layout(location = 1) out mediump vec2 vTexCoord;"
"// Copy Program VS\n"
"void main() {"
"vTexCoord = inPosition * uTexCoordXform.xy + uTexCoordXform.zw;"
"gl_Position.xy = inPosition * uPosXform.xy + uPosXform.zw;"
"gl_Position.zw = vec2(0, 1);"
"}"
);
SkString fragShaderText(version);
fragShaderText.append(
"#extension GL_ARB_separate_shader_objects : enable\n"
"#extension GL_ARB_shading_language_420pack : enable\n"
"precision mediump float;"
"layout(set = 1, binding = 0) uniform mediump sampler2D uTextureSampler;"
"layout(location = 1) in mediump vec2 vTexCoord;"
"layout(location = 0, index = 0) out mediump vec4 fsColorOut;"
"// Copy Program FS\n"
"void main() {"
"fsColorOut = texture(uTextureSampler, vTexCoord);"
"}"
);
SkSL::Program::Settings settings;
SkSL::Program::Inputs inputs;
if (!GrCompileVkShaderModule(gpu, vertShaderText.c_str(), VK_SHADER_STAGE_VERTEX_BIT,
&fVertShaderModule, &fShaderStageInfo[0], settings, &inputs)) {
this->destroyResources(gpu);
return false;
}
SkASSERT(inputs.isEmpty());
if (!GrCompileVkShaderModule(gpu, fragShaderText.c_str(), VK_SHADER_STAGE_FRAGMENT_BIT,
&fFragShaderModule, &fShaderStageInfo[1], settings, &inputs)) {
this->destroyResources(gpu);
return false;
}
SkASSERT(inputs.isEmpty());
VkDescriptorSetLayout dsLayout[2];
GrVkResourceProvider& resourceProvider = gpu->resourceProvider();
dsLayout[GrVkUniformHandler::kUniformBufferDescSet] = resourceProvider.getUniformDSLayout();
uint32_t samplerVisibility = kFragment_GrShaderFlag;
SkTArray<uint32_t> visibilityArray(&samplerVisibility, 1);
resourceProvider.getSamplerDescriptorSetHandle(visibilityArray, &fSamplerDSHandle);
dsLayout[GrVkUniformHandler::kSamplerDescSet] =
resourceProvider.getSamplerDSLayout(fSamplerDSHandle);
// Create the VkPipelineLayout
VkPipelineLayoutCreateInfo layoutCreateInfo;
memset(&layoutCreateInfo, 0, sizeof(VkPipelineLayoutCreateFlags));
layoutCreateInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO;
layoutCreateInfo.pNext = 0;
layoutCreateInfo.flags = 0;
layoutCreateInfo.setLayoutCount = 2;
layoutCreateInfo.pSetLayouts = dsLayout;
layoutCreateInfo.pushConstantRangeCount = 0;
layoutCreateInfo.pPushConstantRanges = nullptr;
VkResult err = GR_VK_CALL(gpu->vkInterface(), CreatePipelineLayout(gpu->device(),
&layoutCreateInfo,
nullptr,
&fPipelineLayout));
if (err) {
this->destroyResources(gpu);
return false;
}
static const float vdata[] = {
0, 0,
0, 1,
1, 0,
1, 1
};
fVertexBuffer.reset(GrVkVertexBuffer::Create(gpu, sizeof(vdata), false));
SkASSERT(fVertexBuffer.get());
fVertexBuffer->updateData(vdata, sizeof(vdata));
// We use 2 vec4's for uniforms
fUniformBuffer.reset(GrVkUniformBuffer::Create(gpu, 8 * sizeof(float)));
SkASSERT(fUniformBuffer.get());
return true;
}
bool GrVkCopyManager::copySurfaceAsDraw(GrVkGpu* gpu,
GrSurface* dst,
GrSurface* src,
const SkIRect& srcRect,
const SkIPoint& dstPoint) {
if (!gpu->vkCaps().supportsCopiesAsDraws()) {
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 &&
VK_NULL_HANDLE == fPipelineLayout &&
nullptr == fVertexBuffer.get() &&
nullptr == fUniformBuffer.get());
if (!this->createCopyProgram(gpu)) {
SkDebugf("Failed to create copy program.\n");
return false;
}
}
GrVkResourceProvider& resourceProv = gpu->resourceProvider();
GrVkCopyPipeline* pipeline = resourceProv.findOrCreateCopyPipeline(rt,
fShaderStageInfo,
fPipelineLayout);
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 == dst->origin()) {
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 == src->origin()) {
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::kVertexBinding;
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);
GrSamplerParams params(SkShader::kClamp_TileMode, GrSamplerParams::kNone_FilterMode);
GrVkSampler* sampler =
resourceProv.findOrCreateCompatibleSampler(params, srcTex->texturePriv().maxMipMapLevel());
VkDescriptorImageInfo imageInfo;
memset(&imageInfo, 0, sizeof(VkDescriptorImageInfo));
imageInfo.sampler = sampler->sampler();
imageInfo.imageView = srcTex->textureView(true)->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->onResolveRenderTarget(texRT);
}
GrVkPrimaryCommandBuffer* cmdBuffer = gpu->currentCommandBuffer();
// 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
GrVkImage* targetImage = rt->msaaImage() ? rt->msaaImage() : rt;
targetImage->setImageLayout(gpu,
VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,
VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT,
VK_PIPELINE_STAGE_ALL_GRAPHICS_BIT,
false);
srcTex->setImageLayout(gpu,
VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL,
VK_ACCESS_SHADER_READ_BIT,
VK_PIPELINE_STAGE_ALL_GRAPHICS_BIT,
false);
GrVkRenderPass::LoadStoreOps vkColorOps(VK_ATTACHMENT_LOAD_OP_DONT_CARE,
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()));
cmdBuffer->beginRenderPass(gpu, renderPass, nullptr, *rt, bounds, false);
cmdBuffer->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(true));
descriptorResources.push_back(srcTex->resource());
cmdBuffer->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;
cmdBuffer->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;
cmdBuffer->setScissor(gpu, 0, 1, &scissor);
cmdBuffer->bindVertexBuffer(gpu, fVertexBuffer.get());
cmdBuffer->draw(gpu, 4, 1, 0, 0);
cmdBuffer->endRenderPass(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;
}
void GrVkCopyManager::destroyResources(GrVkGpu* gpu) {
if (VK_NULL_HANDLE != fVertShaderModule) {
GR_VK_CALL(gpu->vkInterface(), DestroyShaderModule(gpu->device(), fVertShaderModule,
nullptr));
fVertShaderModule = VK_NULL_HANDLE;
}
if (VK_NULL_HANDLE != fFragShaderModule) {
GR_VK_CALL(gpu->vkInterface(), DestroyShaderModule(gpu->device(), fFragShaderModule,
nullptr));
fFragShaderModule = VK_NULL_HANDLE;
}
if (VK_NULL_HANDLE != fPipelineLayout) {
GR_VK_CALL(gpu->vkInterface(), DestroyPipelineLayout(gpu->device(), fPipelineLayout,
nullptr));
fPipelineLayout = VK_NULL_HANDLE;
}
if (fUniformBuffer) {
fUniformBuffer->release(gpu);
fUniformBuffer.reset();
}
}
void GrVkCopyManager::abandonResources() {
fVertShaderModule = VK_NULL_HANDLE;
fFragShaderModule = VK_NULL_HANDLE;
fPipelineLayout = VK_NULL_HANDLE;
if (fUniformBuffer) {
fUniformBuffer->abandon();
fUniformBuffer.reset();
}
}
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