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gerrit-public.fairphone.software / platform / external / skqp / 391395dcfbff09a83f8f0e9d3e02d38c855ae2e9 / . / src / gpu / vk / GrVkGpu.cpp
blob: 9528efc8e0333cb99d0251b5f646d9e4f19da400 [file] [log] [blame]
/*
* Copyright 2015 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "GrVkGpu.h"
#include "GrContextOptions.h"
#include "GrGeometryProcessor.h"
#include "GrGpuResourceCacheAccess.h"
#include "GrPipeline.h"
#include "GrRenderTargetPriv.h"
#include "GrSurfacePriv.h"
#include "GrTexturePriv.h"
#include "GrVertices.h"
#include "GrVkCommandBuffer.h"
#include "GrVkImage.h"
#include "GrVkIndexBuffer.h"
#include "GrVkMemory.h"
#include "GrVkPipeline.h"
#include "GrVkProgram.h"
#include "GrVkProgramBuilder.h"
#include "GrVkProgramDesc.h"
#include "GrVkRenderPass.h"
#include "GrVkResourceProvider.h"
#include "GrVkTexture.h"
#include "GrVkTextureRenderTarget.h"
#include "GrVkTransferBuffer.h"
#include "GrVkVertexBuffer.h"
#include "SkConfig8888.h"
#include "vk/GrVkInterface.h"
#define VK_CALL(X) GR_VK_CALL(this->vkInterface(), X)
#define VK_CALL_RET(RET, X) GR_VK_CALL_RET(this->vkInterface(), RET, X)
#define VK_CALL_ERRCHECK(X) GR_VK_CALL_ERRCHECK(this->vkInterface(), X)
////////////////////////////////////////////////////////////////////////////////
// Stuff used to set up a GrVkGpu secrectly for now.
// For now the VkGpuCreate is using the same signature as GL. This is mostly for ease of
// hiding this code from offical skia. In the end the VkGpuCreate will not take a GrBackendContext
// and mostly likely would take an optional device and queues to use.
GrGpu* vk_gpu_create(GrBackendContext backendContext, const GrContextOptions& options,
GrContext* context) {
// Below is Vulkan setup code that normal would be done by a client, but will do here for now
// for testing purposes.
VkPhysicalDevice physDev;
VkDevice device;
VkInstance inst;
VkResult err;
const VkApplicationInfo app_info = {
VK_STRUCTURE_TYPE_APPLICATION_INFO, // sType
nullptr, // pNext
"vktest", // pApplicationName
0, // applicationVersion
"vktest", // pEngineName
0, // engineVerison
VK_API_VERSION, // apiVersion
};
const VkInstanceCreateInfo instance_create = {
VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO, // sType
nullptr, // pNext
0, // flags
&app_info, // pApplicationInfo
0, // enabledLayerNameCount
nullptr, // ppEnabledLayerNames
0, // enabledExtensionNameCount
nullptr, // ppEnabledExtensionNames
};
err = vkCreateInstance(&instance_create, nullptr, &inst);
if (err < 0) {
SkDebugf("vkCreateInstanced failed: %d\n", err);
SkFAIL("failing");
}
uint32_t gpuCount;
err = vkEnumeratePhysicalDevices(inst, &gpuCount, nullptr);
if (err) {
SkDebugf("vkEnumeratePhysicalDevices failed: %d\n", err);
SkFAIL("failing");
}
SkASSERT(gpuCount > 0);
// Just returning the first physical device instead of getting the whole array.
gpuCount = 1;
err = vkEnumeratePhysicalDevices(inst, &gpuCount, &physDev);
if (err) {
SkDebugf("vkEnumeratePhysicalDevices failed: %d\n", err);
SkFAIL("failing");
}
// query to get the initial queue props size
uint32_t queueCount;
vkGetPhysicalDeviceQueueFamilyProperties(physDev, &queueCount, nullptr);
SkASSERT(queueCount >= 1);
SkAutoMalloc queuePropsAlloc(queueCount * sizeof(VkQueueFamilyProperties));
// now get the actual queue props
VkQueueFamilyProperties* queueProps = (VkQueueFamilyProperties*)queuePropsAlloc.get();
vkGetPhysicalDeviceQueueFamilyProperties(physDev, &queueCount, queueProps);
// iterate to find the graphics queue
uint32_t graphicsQueueIndex = -1;
for (uint32_t i = 0; i < queueCount; i++) {
if (queueProps[i].queueFlags & VK_QUEUE_GRAPHICS_BIT) {
graphicsQueueIndex = i;
break;
}
}
SkASSERT(graphicsQueueIndex < queueCount);
float queuePriorities[1] = { 0.0 };
const VkDeviceQueueCreateInfo queueInfo = {
VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO, // sType
nullptr, // pNext
0, // VkDeviceQueueCreateFlags
0, // queueFamilyIndex
1, // queueCount
queuePriorities, // pQueuePriorities
};
const VkDeviceCreateInfo deviceInfo = {
VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO, // sType
nullptr, // pNext
0, // VkDeviceCreateFlags
1, // queueCreateInfoCount
&queueInfo, // pQueueCreateInfos
0, // layerCount
nullptr, // ppEnabledLayerNames
0, // extensionCount
nullptr, // ppEnabledExtensionNames
nullptr // ppEnabledFeatures
};
err = vkCreateDevice(physDev, &deviceInfo, nullptr, &device);
if (err) {
SkDebugf("CreateDevice failed: %d\n", err);
SkFAIL("failing");
}
VkQueue queue;
vkGetDeviceQueue(device, graphicsQueueIndex, 0, &queue);
const VkCommandPoolCreateInfo cmdPoolInfo = {
VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO, // sType
nullptr, // pNext
0, // CmdPoolCreateFlags
graphicsQueueIndex, // queueFamilyIndex
};
VkCommandPool cmdPool;
err = vkCreateCommandPool(device, &cmdPoolInfo, nullptr, &cmdPool);
if (err) {
SkDebugf("CreateCommandPool failed: %d\n", err);
SkFAIL("failing");
}
return new GrVkGpu(context, options, physDev, device, queue, cmdPool, inst);
}
////////////////////////////////////////////////////////////////////////////////
GrVkGpu::GrVkGpu(GrContext* context, const GrContextOptions& options,
VkPhysicalDevice physDev, VkDevice device, VkQueue queue, VkCommandPool cmdPool,
VkInstance inst)
: INHERITED(context)
, fDevice(device)
, fQueue(queue)
, fCmdPool(cmdPool)
, fResourceProvider(this)
, fVkInstance(inst) {
fInterface.reset(GrVkCreateInterface(fVkInstance));
fCompiler = shaderc_compiler_initialize();
fVkCaps.reset(new GrVkCaps(options, fInterface, physDev));
fCaps.reset(SkRef(fVkCaps.get()));
fCurrentCmdBuffer = fResourceProvider.createCommandBuffer();
SkASSERT(fCurrentCmdBuffer);
fCurrentCmdBuffer->begin(this);
VK_CALL(GetPhysicalDeviceMemoryProperties(physDev, &fPhysDevMemProps));
}
GrVkGpu::~GrVkGpu() {
shaderc_compiler_release(fCompiler);
fCurrentCmdBuffer->end(this);
fCurrentCmdBuffer->unref(this);
// wait for all commands to finish
VK_CALL(QueueWaitIdle(fQueue));
// must call this just before we destroy the VkDevice
fResourceProvider.destroyResources();
VK_CALL(DestroyCommandPool(fDevice, fCmdPool, nullptr));
VK_CALL(DestroyDevice(fDevice, nullptr));
VK_CALL(DestroyInstance(fVkInstance, nullptr));
}
///////////////////////////////////////////////////////////////////////////////
void GrVkGpu::submitCommandBuffer(SyncQueue sync) {
SkASSERT(fCurrentCmdBuffer);
fCurrentCmdBuffer->end(this);
fCurrentCmdBuffer->submitToQueue(this, fQueue, sync);
fResourceProvider.checkCommandBuffers();
// Release old command buffer and create a new one
fCurrentCmdBuffer->unref(this);
fCurrentCmdBuffer = fResourceProvider.createCommandBuffer();
SkASSERT(fCurrentCmdBuffer);
fCurrentCmdBuffer->begin(this);
}
///////////////////////////////////////////////////////////////////////////////
GrVertexBuffer* GrVkGpu::onCreateVertexBuffer(size_t size, bool dynamic) {
return GrVkVertexBuffer::Create(this, size, dynamic);
}
GrIndexBuffer* GrVkGpu::onCreateIndexBuffer(size_t size, bool dynamic) {
return GrVkIndexBuffer::Create(this, size, dynamic);
}
GrTransferBuffer* GrVkGpu::onCreateTransferBuffer(size_t size, TransferType type) {
GrVkBuffer::Type bufferType = kCpuToGpu_TransferType ? GrVkBuffer::kCopyRead_Type
: GrVkBuffer::kCopyWrite_Type;
return GrVkTransferBuffer::Create(this, size, bufferType);
}
////////////////////////////////////////////////////////////////////////////////
bool GrVkGpu::onGetWritePixelsInfo(GrSurface* dstSurface, int width, int height,
GrPixelConfig srcConfig, DrawPreference* drawPreference,
WritePixelTempDrawInfo* tempDrawInfo) {
if (kIndex_8_GrPixelConfig == srcConfig || GrPixelConfigIsCompressed(dstSurface->config())) {
return false;
}
// Currently we don't handle draws, so if the caller wants/needs to do a draw we need to fail
if (kNoDraw_DrawPreference != *drawPreference) {
return false;
}
if (dstSurface->config() != srcConfig) {
// TODO: This should fall back to drawing or copying to change config of dstSurface to
// match that of srcConfig.
return false;
}
return true;
}
bool GrVkGpu::onWritePixels(GrSurface* surface,
int left, int top, int width, int height,
GrPixelConfig config, const void* buffer,
size_t rowBytes) {
GrVkTexture* vkTex = static_cast<GrVkTexture*>(surface->asTexture());
if (!vkTex) {
return false;
}
// We assume Vulkan doesn't do sRGB <-> linear conversions when reading and writing pixels.
if (GrPixelConfigIsSRGB(surface->config()) != GrPixelConfigIsSRGB(config)) {
return false;
}
bool success = false;
if (GrPixelConfigIsCompressed(vkTex->desc().fConfig)) {
// We check that config == desc.fConfig in GrGpu::getWritePixelsInfo()
SkASSERT(config == vkTex->desc().fConfig);
// TODO: add compressed texture support
// delete the following two lines and uncomment the two after that when ready
vkTex->unref();
return false;
//success = this->uploadCompressedTexData(vkTex->desc(), buffer, false, left, top, width,
// height);
} else {
bool linearTiling = vkTex->isLinearTiled();
if (linearTiling && VK_IMAGE_LAYOUT_PREINITIALIZED != vkTex->currentLayout()) {
// Need to change the layout to general in order to perform a host write
VkImageLayout layout = vkTex->currentLayout();
VkPipelineStageFlags srcStageMask = GrVkMemory::LayoutToPipelineStageFlags(layout);
VkPipelineStageFlags dstStageMask = VK_PIPELINE_STAGE_HOST_BIT;
VkAccessFlags srcAccessMask = GrVkMemory::LayoutToSrcAccessMask(layout);
VkAccessFlags dstAccessMask = VK_ACCESS_HOST_WRITE_BIT;
vkTex->setImageLayout(this,
VK_IMAGE_LAYOUT_GENERAL,
srcAccessMask,
dstAccessMask,
srcStageMask,
dstStageMask,
false);
}
success = this->uploadTexData(vkTex, left, top, width, height, config,
buffer, rowBytes);
}
if (success) {
vkTex->texturePriv().dirtyMipMaps(true);
return true;
}
return false;
}
bool GrVkGpu::uploadTexData(GrVkTexture* tex,
int left, int top, int width, int height,
GrPixelConfig dataConfig,
const void* data,
size_t rowBytes) {
SkASSERT(data);
// If we're uploading compressed data then we should be using uploadCompressedTexData
SkASSERT(!GrPixelConfigIsCompressed(dataConfig));
bool linearTiling = tex->isLinearTiled();
size_t bpp = GrBytesPerPixel(dataConfig);
const GrSurfaceDesc& desc = tex->desc();
if (!GrSurfacePriv::AdjustWritePixelParams(desc.fWidth, desc.fHeight, bpp, &left, &top,
&width, &height, &data, &rowBytes)) {
return false;
}
size_t trimRowBytes = width * bpp;
if (linearTiling) {
SkASSERT(VK_IMAGE_LAYOUT_PREINITIALIZED == tex->currentLayout() ||
VK_IMAGE_LAYOUT_GENERAL == tex->currentLayout());
const VkImageSubresource subres = {
VK_IMAGE_ASPECT_COLOR_BIT,
0, // mipLevel
0, // arraySlice
};
VkSubresourceLayout layout;
VkResult err;
const GrVkInterface* interface = this->vkInterface();
GR_VK_CALL(interface, GetImageSubresourceLayout(fDevice,
tex->textureImage(),
&subres,
&layout));
int texTop = kBottomLeft_GrSurfaceOrigin == desc.fOrigin ? tex->height() - top - height
: top;
VkDeviceSize offset = texTop*layout.rowPitch + left*bpp;
VkDeviceSize size = height*layout.rowPitch;
void* mapPtr;
err = GR_VK_CALL(interface, MapMemory(fDevice, tex->textureMemory(), offset, size, 0,
&mapPtr));
if (err) {
return false;
}
if (kBottomLeft_GrSurfaceOrigin == desc.fOrigin) {
// copy into buffer by rows
const char* srcRow = reinterpret_cast<const char*>(data);
char* dstRow = reinterpret_cast<char*>(mapPtr)+(height - 1)*layout.rowPitch;
for (int y = 0; y < height; y++) {
memcpy(dstRow, srcRow, trimRowBytes);
srcRow += rowBytes;
dstRow -= layout.rowPitch;
}
} else {
// If there is no padding on the src (rowBytes) or dst (layout.rowPitch) we can memcpy
if (trimRowBytes == rowBytes && trimRowBytes == layout.rowPitch) {
memcpy(mapPtr, data, trimRowBytes * height);
} else {
SkRectMemcpy(mapPtr, layout.rowPitch, data, rowBytes, trimRowBytes, height);
}
}
GR_VK_CALL(interface, UnmapMemory(fDevice, tex->textureMemory()));
} else {
GrVkTransferBuffer* transferBuffer =
GrVkTransferBuffer::Create(this, trimRowBytes * height, GrVkBuffer::kCopyRead_Type);
void* mapPtr = transferBuffer->map();
if (kBottomLeft_GrSurfaceOrigin == desc.fOrigin) {
// copy into buffer by rows
const char* srcRow = reinterpret_cast<const char*>(data);
char* dstRow = reinterpret_cast<char*>(mapPtr)+(height - 1)*trimRowBytes;
for (int y = 0; y < height; y++) {
memcpy(dstRow, srcRow, trimRowBytes);
srcRow += rowBytes;
dstRow -= trimRowBytes;
}
} else {
// If there is no padding on the src data rows, we can do a single memcpy
if (trimRowBytes == rowBytes) {
memcpy(mapPtr, data, trimRowBytes * height);
} else {
SkRectMemcpy(mapPtr, trimRowBytes, data, rowBytes, trimRowBytes, height);
}
}
transferBuffer->unmap();
// make sure the unmap has finished
transferBuffer->addMemoryBarrier(this,
VK_ACCESS_HOST_WRITE_BIT,
VK_ACCESS_TRANSFER_READ_BIT,
VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT,
VK_PIPELINE_STAGE_TRANSFER_BIT,
false);
// Set up copy region
bool flipY = kBottomLeft_GrSurfaceOrigin == tex->origin();
VkOffset3D offset = {
left,
flipY ? tex->height() - top - height : top,
0
};
VkBufferImageCopy region;
memset(&region, 0, sizeof(VkBufferImageCopy));
region.bufferOffset = 0;
region.bufferRowLength = width;
region.bufferImageHeight = height;
region.imageSubresource = { VK_IMAGE_ASPECT_COLOR_BIT, 0, 0, 1 };
region.imageOffset = offset;
region.imageExtent = { (uint32_t)width, (uint32_t)height, 1 };
// Change layout of our target so it can be copied to
VkImageLayout layout = tex->currentLayout();
VkPipelineStageFlags srcStageMask = GrVkMemory::LayoutToPipelineStageFlags(layout);
VkPipelineStageFlags dstStageMask = VK_PIPELINE_STAGE_TRANSFER_BIT;
VkAccessFlags srcAccessMask = GrVkMemory::LayoutToSrcAccessMask(layout);
VkAccessFlags dstAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT;
tex->setImageLayout(this,
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
srcAccessMask,
dstAccessMask,
srcStageMask,
dstStageMask,
false);
// Copy the buffer to the image
fCurrentCmdBuffer->copyBufferToImage(this,
transferBuffer,
tex,
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
1,
&region);
// Submit the current command buffer to the Queue
this->submitCommandBuffer(kSkip_SyncQueue);
transferBuffer->unref();
}
return true;
}
////////////////////////////////////////////////////////////////////////////////
GrTexture* GrVkGpu::onCreateTexture(const GrSurfaceDesc& desc, GrGpuResource::LifeCycle lifeCycle,
const void* srcData, size_t rowBytes) {
bool renderTarget = SkToBool(desc.fFlags & kRenderTarget_GrSurfaceFlag);
VkFormat pixelFormat;
if (!GrPixelConfigToVkFormat(desc.fConfig, &pixelFormat)) {
return nullptr;
}
if (!fVkCaps->isConfigTexturable(desc.fConfig)) {
return nullptr;
}
bool linearTiling = false;
if (SkToBool(desc.fFlags & kZeroCopy_GrSurfaceFlag)) {
if (fVkCaps->isConfigTexurableLinearly(desc.fConfig) &&
(!renderTarget || fVkCaps->isConfigRenderableLinearly(desc.fConfig, false))) {
linearTiling = true;
} else {
return nullptr;
}
}
VkImageUsageFlags usageFlags = VK_IMAGE_USAGE_SAMPLED_BIT;
if (renderTarget) {
usageFlags |= VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT;
}
// For now we will set the VK_IMAGE_USAGE_TRANSFER_DESTINATION_BIT and
// VK_IMAGE_USAGE_TRANSFER_SOURCE_BIT on every texture since we do not know whether or not we
// will be using this texture in some copy or not. Also this assumes, as is the current case,
// that all render targets in vulkan are also texutres. If we change this practice of setting
// both bits, we must make sure to set the destination bit if we are uploading srcData to the
// texture.
usageFlags |= VK_IMAGE_USAGE_TRANSFER_SRC_BIT | VK_IMAGE_USAGE_TRANSFER_DST_BIT;
VkFlags memProps = (srcData && linearTiling) ? VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT :
VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT;
// This ImageDesc refers to the texture that will be read by the client. Thus even if msaa is
// requested, this ImageDesc describes the resolved texutre. Therefore we always have samples set
// to 1.
GrVkImage::ImageDesc imageDesc;
imageDesc.fImageType = VK_IMAGE_TYPE_2D;
imageDesc.fFormat = pixelFormat;
imageDesc.fWidth = desc.fWidth;
imageDesc.fHeight = desc.fHeight;
imageDesc.fLevels = 1;
imageDesc.fSamples = 1;
imageDesc.fImageTiling = linearTiling ? VK_IMAGE_TILING_LINEAR : VK_IMAGE_TILING_OPTIMAL;
imageDesc.fUsageFlags = usageFlags;
imageDesc.fMemProps = memProps;
GrVkTexture* tex;
if (renderTarget) {
tex = GrVkTextureRenderTarget::CreateNewTextureRenderTarget(this, desc, lifeCycle,
imageDesc);
#if 0
// This clear can be included to fix warning described in htttps://bugs.skia.org/5045
// Obviously we do not want to be clearling needlessly every time we create a render target.
SkIRect rect = SkIRect::MakeWH(tex->width(), tex->height());
this->clear(rect, GrColor_TRANSPARENT_BLACK, tex->asRenderTarget());
#endif
} else {
tex = GrVkTexture::CreateNewTexture(this, desc, lifeCycle, imageDesc);
}
if (!tex) {
return nullptr;
}
if (srcData) {
if (!this->uploadTexData(tex, 0, 0, desc.fWidth, desc.fHeight, desc.fConfig, srcData,
rowBytes)) {
tex->unref();
return nullptr;
}
}
return tex;
}
////////////////////////////////////////////////////////////////////////////////
static GrSurfaceOrigin resolve_origin(GrSurfaceOrigin origin) {
// By default, all textures in Vk use TopLeft
if (kDefault_GrSurfaceOrigin == origin) {
return kTopLeft_GrSurfaceOrigin;
} else {
return origin;
}
}
GrTexture* GrVkGpu::onWrapBackendTexture(const GrBackendTextureDesc& desc,
GrWrapOwnership ownership) {
VkFormat format;
if (!GrPixelConfigToVkFormat(desc.fConfig, &format)) {
return nullptr;
}
if (0 == desc.fTextureHandle) {
return nullptr;
}
int maxSize = this->caps()->maxTextureSize();
if (desc.fWidth > maxSize || desc.fHeight > maxSize) {
return nullptr;
}
// TODO: determine what format Chrome will actually send us and turn it into a Resource
GrVkImage::Resource* imageRsrc = reinterpret_cast<GrVkImage::Resource*>(desc.fTextureHandle);
GrGpuResource::LifeCycle lifeCycle;
switch (ownership) {
case kAdopt_GrWrapOwnership:
lifeCycle = GrGpuResource::kAdopted_LifeCycle;
break;
case kBorrow_GrWrapOwnership:
lifeCycle = GrGpuResource::kBorrowed_LifeCycle;
break;
}
GrSurfaceDesc surfDesc;
// next line relies on GrBackendTextureDesc's flags matching GrTexture's
surfDesc.fFlags = (GrSurfaceFlags)desc.fFlags;
surfDesc.fWidth = desc.fWidth;
surfDesc.fHeight = desc.fHeight;
surfDesc.fConfig = desc.fConfig;
surfDesc.fSampleCnt = SkTMin(desc.fSampleCnt, this->caps()->maxSampleCount());
bool renderTarget = SkToBool(desc.fFlags & kRenderTarget_GrBackendTextureFlag);
// In GL, Chrome assumes all textures are BottomLeft
// In VK, we don't have this restriction
surfDesc.fOrigin = resolve_origin(desc.fOrigin);
GrVkTexture* texture = nullptr;
if (renderTarget) {
texture = GrVkTextureRenderTarget::CreateWrappedTextureRenderTarget(this, surfDesc,
lifeCycle, format,
imageRsrc);
} else {
texture = GrVkTexture::CreateWrappedTexture(this, surfDesc, lifeCycle, format, imageRsrc);
}
if (!texture) {
return nullptr;
}
return texture;
}
GrRenderTarget* GrVkGpu::onWrapBackendRenderTarget(const GrBackendRenderTargetDesc& wrapDesc,
GrWrapOwnership ownership) {
// TODO: determine what format Chrome will actually send us and turn it into a Resource
GrVkImage::Resource* imageRsrc =
reinterpret_cast<GrVkImage::Resource*>(wrapDesc.fRenderTargetHandle);
GrGpuResource::LifeCycle lifeCycle;
switch (ownership) {
case kAdopt_GrWrapOwnership:
lifeCycle = GrGpuResource::kAdopted_LifeCycle;
break;
case kBorrow_GrWrapOwnership:
lifeCycle = GrGpuResource::kBorrowed_LifeCycle;
break;
}
GrSurfaceDesc desc;
desc.fConfig = wrapDesc.fConfig;
desc.fFlags = kCheckAllocation_GrSurfaceFlag;
desc.fWidth = wrapDesc.fWidth;
desc.fHeight = wrapDesc.fHeight;
desc.fSampleCnt = SkTMin(wrapDesc.fSampleCnt, this->caps()->maxSampleCount());
desc.fOrigin = resolve_origin(wrapDesc.fOrigin);
GrVkRenderTarget* tgt = GrVkRenderTarget::CreateWrappedRenderTarget(this, desc,
lifeCycle, imageRsrc);
if (tgt && wrapDesc.fStencilBits) {
if (!createStencilAttachmentForRenderTarget(tgt, desc.fWidth, desc.fHeight)) {
tgt->unref();
return nullptr;
}
}
return tgt;
}
////////////////////////////////////////////////////////////////////////////////
void GrVkGpu::bindGeometry(const GrPrimitiveProcessor& primProc,
const GrNonInstancedVertices& vertices) {
GrVkVertexBuffer* vbuf;
vbuf = (GrVkVertexBuffer*)vertices.vertexBuffer();
SkASSERT(vbuf);
SkASSERT(!vbuf->isMapped());
vbuf->addMemoryBarrier(this,
VK_ACCESS_HOST_WRITE_BIT,
VK_ACCESS_VERTEX_ATTRIBUTE_READ_BIT,
VK_PIPELINE_STAGE_HOST_BIT,
VK_PIPELINE_STAGE_VERTEX_INPUT_BIT,
false);
fCurrentCmdBuffer->bindVertexBuffer(this, vbuf);
if (vertices.isIndexed()) {
GrVkIndexBuffer* ibuf = (GrVkIndexBuffer*)vertices.indexBuffer();
SkASSERT(ibuf);
SkASSERT(!ibuf->isMapped());
ibuf->addMemoryBarrier(this,
VK_ACCESS_HOST_WRITE_BIT,
VK_ACCESS_INDEX_READ_BIT,
VK_PIPELINE_STAGE_HOST_BIT,
VK_PIPELINE_STAGE_VERTEX_INPUT_BIT,
false);
fCurrentCmdBuffer->bindIndexBuffer(this, ibuf);
}
}
void GrVkGpu::buildProgramDesc(GrProgramDesc* desc,
const GrPrimitiveProcessor& primProc,
const GrPipeline& pipeline) const {
if (!GrVkProgramDescBuilder::Build(desc, primProc, pipeline, *this->vkCaps().glslCaps())) {
SkDEBUGFAIL("Failed to generate GL program descriptor");
}
}
////////////////////////////////////////////////////////////////////////////////
GrStencilAttachment* GrVkGpu::createStencilAttachmentForRenderTarget(const GrRenderTarget* rt,
int width,
int height) {
SkASSERT(rt->asTexture());
SkASSERT(width >= rt->width());
SkASSERT(height >= rt->height());
int samples = rt->numStencilSamples();
SkASSERT(this->vkCaps().stencilFormats().count());
const GrVkCaps::StencilFormat& sFmt = this->vkCaps().stencilFormats()[0];
GrVkStencilAttachment* stencil(GrVkStencilAttachment::Create(this,
GrGpuResource::kCached_LifeCycle,
width,
height,
samples,
sFmt));
fStats.incStencilAttachmentCreates();
return stencil;
}
////////////////////////////////////////////////////////////////////////////////
GrBackendObject GrVkGpu::createTestingOnlyBackendTexture(void* srcData, int w, int h,
GrPixelConfig config) {
VkFormat pixelFormat;
if (!GrPixelConfigToVkFormat(config, &pixelFormat)) {
return 0;
}
bool linearTiling = false;
if (!fVkCaps->isConfigTexturable(config)) {
return 0;
}
if (fVkCaps->isConfigTexurableLinearly(config)) {
linearTiling = true;
}
// Currently this is not supported since it requires a copy which has not yet been implemented.
if (srcData && !linearTiling) {
return 0;
}
VkImageUsageFlags usageFlags = VK_IMAGE_USAGE_SAMPLED_BIT;
usageFlags |= VK_IMAGE_USAGE_TRANSFER_SRC_BIT;
usageFlags |= VK_IMAGE_USAGE_TRANSFER_DST_BIT;
VkFlags memProps = (srcData && linearTiling) ? VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT :
VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT;
// This ImageDesc refers to the texture that will be read by the client. Thus even if msaa is
// requested, this ImageDesc describes the resolved texutre. Therefore we always have samples set
// to 1.
GrVkImage::ImageDesc imageDesc;
imageDesc.fImageType = VK_IMAGE_TYPE_2D;
imageDesc.fFormat = pixelFormat;
imageDesc.fWidth = w;
imageDesc.fHeight = h;
imageDesc.fLevels = 1;
imageDesc.fSamples = 1;
imageDesc.fImageTiling = linearTiling ? VK_IMAGE_TILING_LINEAR : VK_IMAGE_TILING_OPTIMAL;
imageDesc.fUsageFlags = usageFlags;
imageDesc.fMemProps = memProps;
const GrVkImage::Resource* imageRsrc = GrVkImage::CreateResource(this, imageDesc);
if (!imageRsrc) {
return 0;
}
if (srcData) {
if (linearTiling) {
const VkImageSubresource subres = {
VK_IMAGE_ASPECT_COLOR_BIT,
0, // mipLevel
0, // arraySlice
};
VkSubresourceLayout layout;
VkResult err;
const GrVkInterface* interface = this->vkInterface();
GR_VK_CALL(interface, GetImageSubresourceLayout(fDevice,
imageRsrc->fImage,
&subres,
&layout));
void* mapPtr;
err = GR_VK_CALL(interface, MapMemory(fDevice,
imageRsrc->fAlloc,
0,
layout.rowPitch * h,
0,
&mapPtr));
if (err) {
imageRsrc->unref(this);
return 0;
}
size_t bpp = GrBytesPerPixel(config);
size_t rowCopyBytes = bpp * w;
// If there is no padding on dst (layout.rowPitch) we can do a single memcopy.
// This assumes the srcData comes in with no padding.
if (rowCopyBytes == layout.rowPitch) {
memcpy(mapPtr, srcData, rowCopyBytes * h);
} else {
SkRectMemcpy(mapPtr, layout.rowPitch, srcData, w, rowCopyBytes, h);
}
GR_VK_CALL(interface, UnmapMemory(fDevice, imageRsrc->fAlloc));
} else {
// TODO: Add support for copying to optimal tiling
SkASSERT(false);
}
}
return (GrBackendObject)imageRsrc;
}
bool GrVkGpu::isTestingOnlyBackendTexture(GrBackendObject id) const {
GrVkImage::Resource* backend = reinterpret_cast<GrVkImage::Resource*>(id);
if (backend && backend->fImage && backend->fAlloc) {
VkMemoryRequirements req;
memset(&req, 0, sizeof(req));
GR_VK_CALL(this->vkInterface(), GetImageMemoryRequirements(fDevice,
backend->fImage,
&req));
// TODO: find a better check
// This will probably fail with a different driver
return (req.size > 0) && (req.size <= 8192 * 8192);
}
return false;
}
void GrVkGpu::deleteTestingOnlyBackendTexture(GrBackendObject id, bool abandon) {
GrVkImage::Resource* backend = reinterpret_cast<GrVkImage::Resource*>(id);
if (backend) {
if (!abandon) {
backend->unref(this);
} else {
backend->unrefAndAbandon();
}
}
}
////////////////////////////////////////////////////////////////////////////////
void GrVkGpu::addMemoryBarrier(VkPipelineStageFlags srcStageMask,
VkPipelineStageFlags dstStageMask,
bool byRegion,
VkMemoryBarrier* barrier) const {
SkASSERT(fCurrentCmdBuffer);
fCurrentCmdBuffer->pipelineBarrier(this,
srcStageMask,
dstStageMask,
byRegion,
GrVkCommandBuffer::kMemory_BarrierType,
barrier);
}
void GrVkGpu::addBufferMemoryBarrier(VkPipelineStageFlags srcStageMask,
VkPipelineStageFlags dstStageMask,
bool byRegion,
VkBufferMemoryBarrier* barrier) const {
SkASSERT(fCurrentCmdBuffer);
fCurrentCmdBuffer->pipelineBarrier(this,
srcStageMask,
dstStageMask,
byRegion,
GrVkCommandBuffer::kBufferMemory_BarrierType,
barrier);
}
void GrVkGpu::addImageMemoryBarrier(VkPipelineStageFlags srcStageMask,
VkPipelineStageFlags dstStageMask,
bool byRegion,
VkImageMemoryBarrier* barrier) const {
SkASSERT(fCurrentCmdBuffer);
fCurrentCmdBuffer->pipelineBarrier(this,
srcStageMask,
dstStageMask,
byRegion,
GrVkCommandBuffer::kImageMemory_BarrierType,
barrier);
}
void GrVkGpu::finishDrawTarget() {
// Submit the current command buffer to the Queue
this->submitCommandBuffer(kSkip_SyncQueue);
}
void GrVkGpu::clearStencil(GrRenderTarget* target) {
if (nullptr == target) {
return;
}
GrStencilAttachment* stencil = target->renderTargetPriv().getStencilAttachment();
GrVkStencilAttachment* vkStencil = (GrVkStencilAttachment*)stencil;
VkClearDepthStencilValue vkStencilColor;
memset(&vkStencilColor, 0, sizeof(VkClearDepthStencilValue));
VkImageLayout origDstLayout = vkStencil->currentLayout();
VkPipelineStageFlags srcStageMask = GrVkMemory::LayoutToPipelineStageFlags(origDstLayout);
VkPipelineStageFlags dstStageMask = VK_PIPELINE_STAGE_TRANSFER_BIT;
VkAccessFlags srcAccessMask = GrVkMemory::LayoutToSrcAccessMask(origDstLayout);;
VkAccessFlags dstAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT;
vkStencil->setImageLayout(this,
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
srcAccessMask,
dstAccessMask,
srcStageMask,
dstStageMask,
false);
VkImageSubresourceRange subRange;
memset(&subRange, 0, sizeof(VkImageSubresourceRange));
subRange.aspectMask = VK_IMAGE_ASPECT_STENCIL_BIT;
subRange.baseMipLevel = 0;
subRange.levelCount = 1;
subRange.baseArrayLayer = 0;
subRange.layerCount = 1;
// TODO: I imagine that most times we want to clear a stencil it will be at the beginning of a
// draw. Thus we should look into using the load op functions on the render pass to clear out
// the stencil there.
fCurrentCmdBuffer->clearDepthStencilImage(this, vkStencil, &vkStencilColor, 1, &subRange);
}
void GrVkGpu::onClearStencilClip(GrRenderTarget* target, const SkIRect& rect, bool insideClip) {
SkASSERT(target);
GrVkRenderTarget* vkRT = static_cast<GrVkRenderTarget*>(target);
GrStencilAttachment* sb = target->renderTargetPriv().getStencilAttachment();
GrVkStencilAttachment* vkStencil = (GrVkStencilAttachment*)sb;
// this should only be called internally when we know we have a
// stencil buffer.
SkASSERT(sb);
int stencilBitCount = sb->bits();
// The contract with the callers does not guarantee that we preserve all bits in the stencil
// during this clear. Thus we will clear the entire stencil to the desired value.
VkClearDepthStencilValue vkStencilColor;
memset(&vkStencilColor, 0, sizeof(VkClearDepthStencilValue));
if (insideClip) {
vkStencilColor.stencil = (1 << (stencilBitCount - 1));
} else {
vkStencilColor.stencil = 0;
}
VkImageLayout origDstLayout = vkStencil->currentLayout();
VkAccessFlags srcAccessMask = GrVkMemory::LayoutToSrcAccessMask(origDstLayout);
VkAccessFlags dstAccessMask = VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_WRITE_BIT;
VkPipelineStageFlags srcStageMask =
GrVkMemory::LayoutToPipelineStageFlags(origDstLayout);
VkPipelineStageFlags dstStageMask = VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT;
vkStencil->setImageLayout(this,
VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL,
srcAccessMask,
dstAccessMask,
srcStageMask,
dstStageMask,
false);
VkClearRect clearRect;
// Flip rect if necessary
SkIRect vkRect = rect;
if (kBottomLeft_GrSurfaceOrigin == vkRT->origin()) {
vkRect.fTop = vkRT->height() - rect.fBottom;
vkRect.fBottom = vkRT->height() - rect.fTop;
}
clearRect.rect.offset = { vkRect.fLeft, vkRect.fTop };
clearRect.rect.extent = { (uint32_t)vkRect.width(), (uint32_t)vkRect.height() };
clearRect.baseArrayLayer = 0;
clearRect.layerCount = 1;
const GrVkRenderPass* renderPass = vkRT->simpleRenderPass();
SkASSERT(renderPass);
fCurrentCmdBuffer->beginRenderPass(this, renderPass, *vkRT);
uint32_t stencilIndex;
SkAssertResult(renderPass->stencilAttachmentIndex(&stencilIndex));
VkClearAttachment attachment;
attachment.aspectMask = VK_IMAGE_ASPECT_STENCIL_BIT;
attachment.colorAttachment = 0; // this value shouldn't matter
attachment.clearValue.depthStencil = vkStencilColor;
fCurrentCmdBuffer->clearAttachments(this, 1, &attachment, 1, &clearRect);
fCurrentCmdBuffer->endRenderPass(this);
return;
}
void GrVkGpu::onClear(GrRenderTarget* target, const SkIRect& rect, GrColor color) {
// parent class should never let us get here with no RT
SkASSERT(target);
VkClearColorValue vkColor;
GrColorToRGBAFloat(color, vkColor.float32);
GrVkRenderTarget* vkRT = static_cast<GrVkRenderTarget*>(target);
VkImageLayout origDstLayout = vkRT->currentLayout();
if (rect.width() != target->width() || rect.height() != target->height()) {
VkAccessFlags srcAccessMask = GrVkMemory::LayoutToSrcAccessMask(origDstLayout);
VkAccessFlags dstAccessMask = VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT;
VkPipelineStageFlags srcStageMask =
GrVkMemory::LayoutToPipelineStageFlags(origDstLayout);
VkPipelineStageFlags dstStageMask = VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT;
vkRT->setImageLayout(this,
VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,
srcAccessMask,
dstAccessMask,
srcStageMask,
dstStageMask,
false);
VkClearRect clearRect;
// Flip rect if necessary
SkIRect vkRect = rect;
if (kBottomLeft_GrSurfaceOrigin == vkRT->origin()) {
vkRect.fTop = vkRT->height() - rect.fBottom;
vkRect.fBottom = vkRT->height() - rect.fTop;
}
clearRect.rect.offset = { vkRect.fLeft, vkRect.fTop };
clearRect.rect.extent = { (uint32_t)vkRect.width(), (uint32_t)vkRect.height() };
const GrVkRenderPass* renderPass = vkRT->simpleRenderPass();
SkASSERT(renderPass);
fCurrentCmdBuffer->beginRenderPass(this, renderPass, *vkRT);
uint32_t colorIndex;
SkAssertResult(renderPass->colorAttachmentIndex(&colorIndex));
VkClearAttachment attachment;
attachment.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
attachment.colorAttachment = colorIndex;
attachment.clearValue.color = vkColor;
fCurrentCmdBuffer->clearAttachments(this, 1, &attachment, 1, &clearRect);
fCurrentCmdBuffer->endRenderPass(this);
return;
}
VkPipelineStageFlags srcStageMask = GrVkMemory::LayoutToPipelineStageFlags(origDstLayout);
VkPipelineStageFlags dstStageMask = VK_PIPELINE_STAGE_TRANSFER_BIT;
VkAccessFlags srcAccessMask = GrVkMemory::LayoutToSrcAccessMask(origDstLayout);;
VkAccessFlags dstAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT;
vkRT->setImageLayout(this,
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
srcAccessMask,
dstAccessMask,
srcStageMask,
dstStageMask,
false);
VkImageSubresourceRange subRange;
memset(&subRange, 0, sizeof(VkImageSubresourceRange));
subRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
subRange.baseMipLevel = 0;
subRange.levelCount = 1;
subRange.baseArrayLayer = 0;
subRange.layerCount = 1;
// In the future we may not actually be doing this type of clear at all. If we are inside a
// render pass or doing a non full clear then we will use CmdClearColorAttachment. The more
// common use case will be clearing an attachment at the start of a render pass, in which case
// we will use the clear load ops.
fCurrentCmdBuffer->clearColorImage(this,
vkRT,
&vkColor,
1, &subRange);
}
inline bool can_copy_image(const GrSurface* dst,
const GrSurface* src,
const GrVkGpu* gpu) {
if (src->asTexture() &&
dst->asTexture() &&
src->origin() == dst->origin() &&
src->config() == dst->config()) {
return true;
}
// How does msaa play into this? If a VkTexture is multisampled, are we copying the multisampled
// or the resolved image here?
return false;
}
void GrVkGpu::copySurfaceAsCopyImage(GrSurface* dst,
GrSurface* src,
const SkIRect& srcRect,
const SkIPoint& dstPoint) {
SkASSERT(can_copy_image(dst, src, this));
// Insert memory barriers to switch src and dst to transfer_source and transfer_dst layouts
GrVkTexture* dstTex = static_cast<GrVkTexture*>(dst->asTexture());
GrVkTexture* srcTex = static_cast<GrVkTexture*>(src->asTexture());
VkImageLayout origDstLayout = dstTex->currentLayout();
VkImageLayout origSrcLayout = srcTex->currentLayout();
VkPipelineStageFlags srcStageMask = GrVkMemory::LayoutToPipelineStageFlags(origDstLayout);
VkPipelineStageFlags dstStageMask = VK_PIPELINE_STAGE_TRANSFER_BIT;
// These flags are for flushing/invalidating caches and for the dst image it doesn't matter if
// the cache is flushed since it is only being written to.
VkAccessFlags srcAccessMask = GrVkMemory::LayoutToSrcAccessMask(origDstLayout);;
VkAccessFlags dstAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT;
dstTex->setImageLayout(this,
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
srcAccessMask,
dstAccessMask,
srcStageMask,
dstStageMask,
false);
srcStageMask = GrVkMemory::LayoutToPipelineStageFlags(origSrcLayout);
dstStageMask = VK_PIPELINE_STAGE_TRANSFER_BIT;
srcAccessMask = GrVkMemory::LayoutToSrcAccessMask(origSrcLayout);
dstAccessMask = VK_ACCESS_TRANSFER_READ_BIT;
srcTex->setImageLayout(this,
VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
srcAccessMask,
dstAccessMask,
srcStageMask,
dstStageMask,
false);
// Flip rect if necessary
SkIRect srcVkRect = srcRect;
int32_t dstY = dstPoint.fY;
if (kBottomLeft_GrSurfaceOrigin == src->origin()) {
SkASSERT(kBottomLeft_GrSurfaceOrigin == dst->origin());
srcVkRect.fTop = src->height() - srcRect.fBottom;
srcVkRect.fBottom = src->height() - srcRect.fTop;
dstY = dst->height() - dstPoint.fY - srcVkRect.height();
}
VkImageCopy copyRegion;
memset(&copyRegion, 0, sizeof(VkImageCopy));
copyRegion.srcSubresource = { VK_IMAGE_ASPECT_COLOR_BIT, 0, 0, 1 };
copyRegion.srcOffset = { srcVkRect.fLeft, srcVkRect.fTop, 0 };
copyRegion.dstSubresource = { VK_IMAGE_ASPECT_COLOR_BIT, 0, 0, 1 };
copyRegion.dstOffset = { dstPoint.fX, dstY, 0 };
copyRegion.extent = { (uint32_t)srcVkRect.width(), (uint32_t)srcVkRect.height(), 0 };
fCurrentCmdBuffer->copyImage(this,
srcTex,
VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
dstTex,
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
1,
&copyRegion);
}
inline bool can_copy_as_draw(const GrSurface* dst,
const GrSurface* src,
const GrVkGpu* gpu) {
return false;
}
void GrVkGpu::copySurfaceAsDraw(GrSurface* dst,
GrSurface* src,
const SkIRect& srcRect,
const SkIPoint& dstPoint) {
SkASSERT(false);
}
bool GrVkGpu::onCopySurface(GrSurface* dst,
GrSurface* src,
const SkIRect& srcRect,
const SkIPoint& dstPoint) {
if (can_copy_image(dst, src, this)) {
this->copySurfaceAsCopyImage(dst, src, srcRect, dstPoint);
return true;
}
if (can_copy_as_draw(dst, src, this)) {
this->copySurfaceAsDraw(dst, src, srcRect, dstPoint);
return true;
}
return false;
}
bool GrVkGpu::onGetReadPixelsInfo(GrSurface* srcSurface, int width, int height, size_t rowBytes,
GrPixelConfig readConfig, DrawPreference* drawPreference,
ReadPixelTempDrawInfo* tempDrawInfo) {
// Currently we don't handle draws, so if the caller wants/needs to do a draw we need to fail
if (kNoDraw_DrawPreference != *drawPreference) {
return false;
}
if (srcSurface->config() != readConfig) {
// TODO: This should fall back to drawing or copying to change config of srcSurface to match
// that of readConfig.
return false;
}
return true;
}
bool GrVkGpu::onReadPixels(GrSurface* surface,
int left, int top, int width, int height,
GrPixelConfig config,
void* buffer,
size_t rowBytes) {
VkFormat pixelFormat;
if (!GrPixelConfigToVkFormat(config, &pixelFormat)) {
return false;
}
GrVkTexture* tgt = static_cast<GrVkTexture*>(surface->asTexture());
if (!tgt) {
return false;
}
// Change layout of our target so it can be used as copy
VkImageLayout layout = tgt->currentLayout();
VkPipelineStageFlags srcStageMask = GrVkMemory::LayoutToPipelineStageFlags(layout);
VkPipelineStageFlags dstStageMask = VK_PIPELINE_STAGE_TRANSFER_BIT;
VkAccessFlags srcAccessMask = GrVkMemory::LayoutToSrcAccessMask(layout);
VkAccessFlags dstAccessMask = VK_ACCESS_TRANSFER_READ_BIT;
tgt->setImageLayout(this,
VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
srcAccessMask,
dstAccessMask,
srcStageMask,
dstStageMask,
false);
GrVkTransferBuffer* transferBuffer =
reinterpret_cast<GrVkTransferBuffer*>(this->createTransferBuffer(rowBytes * height,
kGpuToCpu_TransferType));
bool flipY = kBottomLeft_GrSurfaceOrigin == surface->origin();
VkOffset3D offset = {
left,
flipY ? surface->height() - top - height : top,
0
};
// Copy the image to a buffer so we can map it to cpu memory
VkBufferImageCopy region;
memset(&region, 0, sizeof(VkBufferImageCopy));
region.bufferOffset = 0;
region.bufferRowLength = 0; // Forces RowLength to be imageExtent.width
region.bufferImageHeight = 0; // Forces height to be tightly packed. Only useful for 3d images.
region.imageSubresource = { VK_IMAGE_ASPECT_COLOR_BIT, 0, 0, 1 };
region.imageOffset = offset;
region.imageExtent = { (uint32_t)width, (uint32_t)height, 1 };
fCurrentCmdBuffer->copyImageToBuffer(this,
tgt,
VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
transferBuffer,
1,
&region);
// make sure the copy to buffer has finished
transferBuffer->addMemoryBarrier(this,
VK_ACCESS_TRANSFER_WRITE_BIT,
VK_ACCESS_HOST_READ_BIT,
VK_PIPELINE_STAGE_TRANSFER_BIT,
VK_PIPELINE_STAGE_HOST_BIT,
false);
// We need to submit the current command buffer to the Queue and make sure it finishes before
// we can copy the data out of the buffer.
this->submitCommandBuffer(kForce_SyncQueue);
void* mappedMemory = transferBuffer->map();
memcpy(buffer, mappedMemory, rowBytes*height);
transferBuffer->unmap();
transferBuffer->unref();
if (flipY) {
SkAutoSMalloc<32 * sizeof(GrColor)> scratch;
size_t tightRowBytes = GrBytesPerPixel(config) * width;
scratch.reset(tightRowBytes);
void* tmpRow = scratch.get();
// flip y in-place by rows
const int halfY = height >> 1;
char* top = reinterpret_cast<char*>(buffer);
char* bottom = top + (height - 1) * rowBytes;
for (int y = 0; y < halfY; y++) {
memcpy(tmpRow, top, tightRowBytes);
memcpy(top, bottom, tightRowBytes);
memcpy(bottom, tmpRow, tightRowBytes);
top += rowBytes;
bottom -= rowBytes;
}
}
return true;
}
void GrVkGpu::onDraw(const DrawArgs& args, const GrNonInstancedVertices& vertices) {
GrRenderTarget* rt = args.fPipeline->getRenderTarget();
GrVkRenderTarget* vkRT = static_cast<GrVkRenderTarget*>(rt);
const GrVkRenderPass* renderPass = vkRT->simpleRenderPass();
SkASSERT(renderPass);
GrVkProgram* program = GrVkProgramBuilder::CreateProgram(this, args,
vertices.primitiveType(),
*renderPass);
if (!program) {
return;
}
program->setData(this, *args.fPrimitiveProcessor, *args.fPipeline);
fCurrentCmdBuffer->beginRenderPass(this, renderPass, *vkRT);
program->bind(this, fCurrentCmdBuffer);
this->bindGeometry(*args.fPrimitiveProcessor, vertices);
// Change layout of our render target so it can be used as the color attachment
VkImageLayout layout = vkRT->currentLayout();
// Our color attachment is purely a destination and won't be read so don't need to flush or
// invalidate any caches
VkPipelineStageFlags srcStageMask = GrVkMemory::LayoutToPipelineStageFlags(layout);
VkPipelineStageFlags dstStageMask = VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT;
VkAccessFlags srcAccessMask = GrVkMemory::LayoutToSrcAccessMask(layout);
VkAccessFlags dstAccessMask = VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT;
vkRT->setImageLayout(this,
VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,
srcAccessMask,
dstAccessMask,
srcStageMask,
dstStageMask,
false);
// If we are using a stencil attachment we also need to update its layout
if (!args.fPipeline->getStencil().isDisabled()) {
GrStencilAttachment* stencil = vkRT->renderTargetPriv().getStencilAttachment();
GrVkStencilAttachment* vkStencil = (GrVkStencilAttachment*)stencil;
VkImageLayout origDstLayout = vkStencil->currentLayout();
VkAccessFlags srcAccessMask = GrVkMemory::LayoutToSrcAccessMask(origDstLayout);
VkAccessFlags dstAccessMask = VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_WRITE_BIT |
VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_READ_BIT;
VkPipelineStageFlags srcStageMask =
GrVkMemory::LayoutToPipelineStageFlags(origDstLayout);
VkPipelineStageFlags dstStageMask = VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT;
vkStencil->setImageLayout(this,
VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL,
srcAccessMask,
dstAccessMask,
srcStageMask,
dstStageMask,
false);
}
if (vertices.isIndexed()) {
fCurrentCmdBuffer->drawIndexed(this,
vertices.indexCount(),
1,
vertices.startIndex(),
vertices.startVertex(),
0);
} else {
fCurrentCmdBuffer->draw(this, vertices.vertexCount(), 1, vertices.startVertex(), 0);
}
fCurrentCmdBuffer->endRenderPass(this);
// Technically we don't have to call this here (since there is a safety check in program:setData
// but this will allow for quicker freeing of resources if the program sits in a cache for a
// while.
program->freeTempResources(this);
// This free will go away once we setup a program cache, and then the cache will be responsible
// for call freeGpuResources.
program->freeGPUResources(this);
program->unref();
#if SWAP_PER_DRAW
glFlush();
#if defined(SK_BUILD_FOR_MAC)
aglSwapBuffers(aglGetCurrentContext());
int set_a_break_pt_here = 9;
aglSwapBuffers(aglGetCurrentContext());
#elif defined(SK_BUILD_FOR_WIN32)
SwapBuf();
int set_a_break_pt_here = 9;
SwapBuf();
#endif
#endif
}