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//
// Copyright 2014 The ANGLE Project Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//
// Framebuffer11.cpp: Implements the Framebuffer11 class.
#include "libANGLE/renderer/d3d/d3d11/Framebuffer11.h"
#include "common/debug.h"
#include "libANGLE/renderer/d3d/d3d11/Buffer11.h"
#include "libANGLE/renderer/d3d/d3d11/Clear11.h"
#include "libANGLE/renderer/d3d/d3d11/TextureStorage11.h"
#include "libANGLE/renderer/d3d/d3d11/Renderer11.h"
#include "libANGLE/renderer/d3d/d3d11/renderer11_utils.h"
#include "libANGLE/renderer/d3d/d3d11/RenderTarget11.h"
#include "libANGLE/renderer/d3d/d3d11/formatutils11.h"
#include "libANGLE/renderer/d3d/TextureD3D.h"
#include "libANGLE/Framebuffer.h"
#include "libANGLE/FramebufferAttachment.h"
#include "libANGLE/Texture.h"
namespace rx
{
Framebuffer11::Framebuffer11(const gl::Framebuffer::Data &data, Renderer11 *renderer)
: FramebufferD3D(data, renderer),
mRenderer(renderer)
{
ASSERT(mRenderer != nullptr);
}
Framebuffer11::~Framebuffer11()
{
}
static gl::Error InvalidateAttachmentSwizzles(const gl::FramebufferAttachment *attachment)
{
if (attachment && attachment->type() == GL_TEXTURE)
{
gl::Texture *texture = attachment->getTexture();
TextureD3D *textureD3D = GetImplAs<TextureD3D>(texture);
TextureStorage *texStorage = NULL;
gl::Error error = textureD3D->getNativeTexture(&texStorage);
if (error.isError())
{
return error;
}
if (texStorage)
{
TextureStorage11 *texStorage11 = TextureStorage11::makeTextureStorage11(texStorage);
ASSERT(texStorage11);
texStorage11->invalidateSwizzleCacheLevel(attachment->mipLevel());
}
}
return gl::Error(GL_NO_ERROR);
}
gl::Error Framebuffer11::invalidateSwizzles() const
{
for (auto it = mData.mColorAttachments.cbegin(); it != mData.mColorAttachments.cend(); ++it)
{
gl::FramebufferAttachment *colorAttachment = *it;
gl::Error error = InvalidateAttachmentSwizzles(colorAttachment);
if (error.isError())
{
return error;
}
}
gl::Error error = InvalidateAttachmentSwizzles(mData.mDepthAttachment);
if (error.isError())
{
return error;
}
error = InvalidateAttachmentSwizzles(mData.mStencilAttachment);
if (error.isError())
{
return error;
}
return gl::Error(GL_NO_ERROR);
}
gl::Error Framebuffer11::clear(const gl::State &state, const ClearParameters &clearParams)
{
Clear11 *clearer = mRenderer->getClearer();
gl::Error error = clearer->clearFramebuffer(clearParams, mData);
if (error.isError())
{
return error;
}
error = invalidateSwizzles();
if (error.isError())
{
return error;
}
return gl::Error(GL_NO_ERROR);
}
static gl::Error getRenderTargetResource(const gl::FramebufferAttachment *colorbuffer, unsigned int *subresourceIndexOut,
ID3D11Texture2D **texture2DOut)
{
ASSERT(colorbuffer);
RenderTarget11 *renderTarget = NULL;
gl::Error error = d3d11::GetAttachmentRenderTarget(colorbuffer, &renderTarget);
if (error.isError())
{
return error;
}
ID3D11Resource *renderTargetResource = renderTarget->getTexture();
ASSERT(renderTargetResource);
*subresourceIndexOut = renderTarget->getSubresourceIndex();
*texture2DOut = d3d11::DynamicCastComObject<ID3D11Texture2D>(renderTargetResource);
if (!(*texture2DOut))
{
return gl::Error(GL_OUT_OF_MEMORY, "Failed to query the ID3D11Texture2D from a RenderTarget");
}
return gl::Error(GL_NO_ERROR);
}
gl::Error Framebuffer11::readPixels(const gl::Rectangle &area, GLenum format, GLenum type, size_t outputPitch, const gl::PixelPackState &pack, uint8_t *pixels) const
{
ID3D11Texture2D *colorBufferTexture = NULL;
unsigned int subresourceIndex = 0;
const gl::FramebufferAttachment *colorbuffer = mData.getReadAttachment();
ASSERT(colorbuffer);
gl::Error error = getRenderTargetResource(colorbuffer, &subresourceIndex, &colorBufferTexture);
if (error.isError())
{
return error;
}
gl::Buffer *packBuffer = pack.pixelBuffer.get();
if (packBuffer != NULL)
{
Buffer11 *packBufferStorage = Buffer11::makeBuffer11(packBuffer->getImplementation());
PackPixelsParams packParams(area, format, type, outputPitch, pack, reinterpret_cast<ptrdiff_t>(pixels));
error = packBufferStorage->packPixels(colorBufferTexture, subresourceIndex, packParams);
if (error.isError())
{
SafeRelease(colorBufferTexture);
return error;
}
packBuffer->getIndexRangeCache()->clear();
}
else
{
error = mRenderer->readTextureData(colorBufferTexture, subresourceIndex, area, format, type, outputPitch, pack, pixels);
if (error.isError())
{
SafeRelease(colorBufferTexture);
return error;
}
}
SafeRelease(colorBufferTexture);
return gl::Error(GL_NO_ERROR);
}
gl::Error Framebuffer11::blit(const gl::Rectangle &sourceArea, const gl::Rectangle &destArea, const gl::Rectangle *scissor,
bool blitRenderTarget, bool blitDepth, bool blitStencil, GLenum filter,
const gl::Framebuffer *sourceFramebuffer)
{
if (blitRenderTarget)
{
const gl::FramebufferAttachment *readBuffer = sourceFramebuffer->getReadColorbuffer();
ASSERT(readBuffer);
RenderTargetD3D *readRenderTarget = NULL;
gl::Error error = GetAttachmentRenderTarget(readBuffer, &readRenderTarget);
if (error.isError())
{
return error;
}
ASSERT(readRenderTarget);
for (size_t colorAttachment = 0; colorAttachment < mData.mColorAttachments.size(); colorAttachment++)
{
if (mData.mColorAttachments[colorAttachment] != nullptr &&
mData.mDrawBufferStates[colorAttachment] != GL_NONE)
{
const gl::FramebufferAttachment *drawBuffer = mData.mColorAttachments[colorAttachment];
RenderTargetD3D *drawRenderTarget = NULL;
error = GetAttachmentRenderTarget(drawBuffer, &drawRenderTarget);
if (error.isError())
{
return error;
}
ASSERT(drawRenderTarget);
error = mRenderer->blitRenderbufferRect(sourceArea, destArea, readRenderTarget, drawRenderTarget,
filter, scissor, blitRenderTarget, false, false);
if (error.isError())
{
return error;
}
}
}
}
if (blitDepth || blitStencil)
{
gl::FramebufferAttachment *readBuffer = sourceFramebuffer->getDepthOrStencilbuffer();
ASSERT(readBuffer);
RenderTargetD3D *readRenderTarget = NULL;
gl::Error error = GetAttachmentRenderTarget(readBuffer, &readRenderTarget);
if (error.isError())
{
return error;
}
ASSERT(readRenderTarget);
const gl::FramebufferAttachment *drawBuffer = mData.getDepthOrStencilAttachment();
ASSERT(drawBuffer);
RenderTargetD3D *drawRenderTarget = NULL;
error = GetAttachmentRenderTarget(drawBuffer, &drawRenderTarget);
if (error.isError())
{
return error;
}
ASSERT(drawRenderTarget);
error = mRenderer->blitRenderbufferRect(sourceArea, destArea, readRenderTarget, drawRenderTarget, filter, scissor,
false, blitDepth, blitStencil);
if (error.isError())
{
return error;
}
}
gl::Error error = invalidateSwizzles();
if (error.isError())
{
return error;
}
return gl::Error(GL_NO_ERROR);
}
GLenum Framebuffer11::getRenderTargetImplementationFormat(RenderTargetD3D *renderTarget) const
{
RenderTarget11 *renderTarget11 = RenderTarget11::makeRenderTarget11(renderTarget);
const d3d11::DXGIFormat &dxgiFormatInfo = d3d11::GetDXGIFormatInfo(renderTarget11->getDXGIFormat());
return dxgiFormatInfo.internalFormat;
}
}
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