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Diffstat (limited to 'gfx/angle/checkout/src/libANGLE/renderer/d3d/FramebufferD3D.cpp')
| -rw-r--r-- | gfx/angle/checkout/src/libANGLE/renderer/d3d/FramebufferD3D.cpp | 402 |
1 files changed, 402 insertions, 0 deletions
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/FramebufferD3D.cpp b/gfx/angle/checkout/src/libANGLE/renderer/d3d/FramebufferD3D.cpp new file mode 100644 index 0000000000..5a8279a586 --- /dev/null +++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/FramebufferD3D.cpp @@ -0,0 +1,402 @@ +// +// 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. +// + +// FramebufferD3D.cpp: Implements the DefaultAttachmentD3D and FramebufferD3D classes. + +#include "libANGLE/renderer/d3d/FramebufferD3D.h" + +#include "common/bitset_utils.h" +#include "libANGLE/Context.h" +#include "libANGLE/ErrorStrings.h" +#include "libANGLE/Framebuffer.h" +#include "libANGLE/FramebufferAttachment.h" +#include "libANGLE/Surface.h" +#include "libANGLE/formatutils.h" +#include "libANGLE/renderer/ContextImpl.h" +#include "libANGLE/renderer/d3d/ContextD3D.h" +#include "libANGLE/renderer/d3d/RenderTargetD3D.h" +#include "libANGLE/renderer/d3d/RenderbufferD3D.h" +#include "libANGLE/renderer/d3d/RendererD3D.h" +#include "libANGLE/renderer/d3d/SurfaceD3D.h" +#include "libANGLE/renderer/d3d/SwapChainD3D.h" +#include "libANGLE/renderer/d3d/TextureD3D.h" + +namespace rx +{ + +namespace +{ + +ClearParameters GetClearParameters(const gl::State &state, GLbitfield mask) +{ + ClearParameters clearParams; + memset(&clearParams, 0, sizeof(ClearParameters)); + + clearParams.colorF = state.getColorClearValue(); + clearParams.colorType = GL_FLOAT; + clearParams.clearDepth = false; + clearParams.depthValue = state.getDepthClearValue(); + clearParams.clearStencil = false; + clearParams.stencilValue = state.getStencilClearValue(); + clearParams.stencilWriteMask = state.getDepthStencilState().stencilWritemask; + + const auto *framebufferObject = state.getDrawFramebuffer(); + const gl::Extents &framebufferSize = framebufferObject->getFirstNonNullAttachment()->getSize(); + const gl::Offset &surfaceTextureOffset = framebufferObject->getSurfaceTextureOffset(); + if (state.isScissorTestEnabled()) + { + clearParams.scissorEnabled = true; + clearParams.scissor = state.getScissor(); + clearParams.scissor.x = clearParams.scissor.x + surfaceTextureOffset.x; + clearParams.scissor.y = clearParams.scissor.y + surfaceTextureOffset.y; + } + else if (surfaceTextureOffset != gl::kOffsetZero) + { + clearParams.scissorEnabled = true; + clearParams.scissor = gl::Rectangle(surfaceTextureOffset.x, surfaceTextureOffset.y, + framebufferSize.width, framebufferSize.height); + } + + const bool clearColor = + (mask & GL_COLOR_BUFFER_BIT) && framebufferObject->hasEnabledDrawBuffer(); + if (clearColor) + { + clearParams.clearColor.set(); + } + else + { + clearParams.clearColor.reset(); + } + clearParams.colorMask = state.getBlendStateExt().getColorMaskBits(); + + if (mask & GL_DEPTH_BUFFER_BIT) + { + if (state.getDepthStencilState().depthMask && + framebufferObject->getDepthAttachment() != nullptr) + { + clearParams.clearDepth = true; + } + } + + if (mask & GL_STENCIL_BUFFER_BIT) + { + if (framebufferObject->getStencilAttachment() != nullptr && + framebufferObject->getStencilAttachment()->getStencilSize() > 0) + { + clearParams.clearStencil = true; + } + } + + return clearParams; +} +} // namespace + +ClearParameters::ClearParameters() = default; + +ClearParameters::ClearParameters(const ClearParameters &other) = default; + +FramebufferD3D::FramebufferD3D(const gl::FramebufferState &data, RendererD3D *renderer) + : FramebufferImpl(data), mRenderer(renderer), mMockAttachment() +{} + +FramebufferD3D::~FramebufferD3D() {} + +angle::Result FramebufferD3D::clear(const gl::Context *context, GLbitfield mask) +{ + ClearParameters clearParams = GetClearParameters(context->getState(), mask); + return clearImpl(context, clearParams); +} + +angle::Result FramebufferD3D::clearBufferfv(const gl::Context *context, + GLenum buffer, + GLint drawbuffer, + const GLfloat *values) +{ + // glClearBufferfv can be called to clear the color buffer or depth buffer + ClearParameters clearParams = GetClearParameters(context->getState(), 0); + + if (buffer == GL_COLOR) + { + for (unsigned int i = 0; i < clearParams.clearColor.size(); i++) + { + clearParams.clearColor[i] = (drawbuffer == static_cast<int>(i)); + } + clearParams.colorF = gl::ColorF(values[0], values[1], values[2], values[3]); + clearParams.colorType = GL_FLOAT; + } + + if (buffer == GL_DEPTH) + { + clearParams.clearDepth = true; + clearParams.depthValue = values[0]; + } + + return clearImpl(context, clearParams); +} + +angle::Result FramebufferD3D::clearBufferuiv(const gl::Context *context, + GLenum buffer, + GLint drawbuffer, + const GLuint *values) +{ + // glClearBufferuiv can only be called to clear a color buffer + ClearParameters clearParams = GetClearParameters(context->getState(), 0); + for (unsigned int i = 0; i < clearParams.clearColor.size(); i++) + { + clearParams.clearColor[i] = (drawbuffer == static_cast<int>(i)); + } + clearParams.colorUI = gl::ColorUI(values[0], values[1], values[2], values[3]); + clearParams.colorType = GL_UNSIGNED_INT; + + return clearImpl(context, clearParams); +} + +angle::Result FramebufferD3D::clearBufferiv(const gl::Context *context, + GLenum buffer, + GLint drawbuffer, + const GLint *values) +{ + // glClearBufferiv can be called to clear the color buffer or stencil buffer + ClearParameters clearParams = GetClearParameters(context->getState(), 0); + + if (buffer == GL_COLOR) + { + for (unsigned int i = 0; i < clearParams.clearColor.size(); i++) + { + clearParams.clearColor[i] = (drawbuffer == static_cast<int>(i)); + } + clearParams.colorI = gl::ColorI(values[0], values[1], values[2], values[3]); + clearParams.colorType = GL_INT; + } + + if (buffer == GL_STENCIL) + { + clearParams.clearStencil = true; + clearParams.stencilValue = values[0]; + } + + return clearImpl(context, clearParams); +} + +angle::Result FramebufferD3D::clearBufferfi(const gl::Context *context, + GLenum buffer, + GLint drawbuffer, + GLfloat depth, + GLint stencil) +{ + // glClearBufferfi can only be called to clear a depth stencil buffer + ClearParameters clearParams = GetClearParameters(context->getState(), 0); + clearParams.clearDepth = true; + clearParams.depthValue = depth; + clearParams.clearStencil = true; + clearParams.stencilValue = stencil; + + return clearImpl(context, clearParams); +} + +angle::Result FramebufferD3D::readPixels(const gl::Context *context, + const gl::Rectangle &area, + GLenum format, + GLenum type, + const gl::PixelPackState &pack, + gl::Buffer *packBuffer, + void *pixels) +{ + // Clip read area to framebuffer. + const gl::Extents fbSize = getState().getReadPixelsAttachment(format)->getSize(); + const gl::Rectangle fbRect(0, 0, fbSize.width, fbSize.height); + gl::Rectangle clippedArea; + if (!ClipRectangle(area, fbRect, &clippedArea)) + { + // nothing to read + return angle::Result::Continue; + } + + const gl::InternalFormat &sizedFormatInfo = gl::GetInternalFormatInfo(format, type); + + ContextD3D *contextD3D = GetImplAs<ContextD3D>(context); + + GLuint outputPitch = 0; + ANGLE_CHECK_GL_MATH(contextD3D, + sizedFormatInfo.computeRowPitch(type, area.width, pack.alignment, + pack.rowLength, &outputPitch)); + + GLuint outputSkipBytes = 0; + ANGLE_CHECK_GL_MATH(contextD3D, sizedFormatInfo.computeSkipBytes(type, outputPitch, 0, pack, + false, &outputSkipBytes)); + outputSkipBytes += (clippedArea.x - area.x) * sizedFormatInfo.pixelBytes + + (clippedArea.y - area.y) * outputPitch; + + return readPixelsImpl(context, clippedArea, format, type, outputPitch, pack, packBuffer, + static_cast<uint8_t *>(pixels) + outputSkipBytes); +} + +angle::Result FramebufferD3D::blit(const gl::Context *context, + const gl::Rectangle &sourceArea, + const gl::Rectangle &destArea, + GLbitfield mask, + GLenum filter) +{ + const auto &glState = context->getState(); + const gl::Framebuffer *sourceFramebuffer = glState.getReadFramebuffer(); + const gl::Rectangle *scissor = glState.isScissorTestEnabled() ? &glState.getScissor() : nullptr; + ANGLE_TRY(blitImpl(context, sourceArea, destArea, scissor, (mask & GL_COLOR_BUFFER_BIT) != 0, + (mask & GL_DEPTH_BUFFER_BIT) != 0, (mask & GL_STENCIL_BUFFER_BIT) != 0, + filter, sourceFramebuffer)); + + return angle::Result::Continue; +} + +gl::FramebufferStatus FramebufferD3D::checkStatus(const gl::Context *context) const +{ + // if we have both a depth and stencil buffer, they must refer to the same object + // since we only support packed_depth_stencil and not separate depth and stencil + if (mState.hasSeparateDepthAndStencilAttachments()) + { + return gl::FramebufferStatus::Incomplete( + GL_FRAMEBUFFER_UNSUPPORTED, + gl::err::kFramebufferIncompleteUnsupportedSeparateDepthStencilBuffers); + } + + // D3D11 does not allow for overlapping RenderTargetViews. + // If WebGL compatibility is enabled, this has already been checked at a higher level. + ASSERT(!context->isWebGL() || mState.colorAttachmentsAreUniqueImages()); + if (!context->isWebGL()) + { + if (!mState.colorAttachmentsAreUniqueImages()) + { + return gl::FramebufferStatus::Incomplete( + GL_FRAMEBUFFER_UNSUPPORTED, + gl::err::kFramebufferIncompleteUnsupportedNonUniqueAttachments); + } + } + + // D3D requires all render targets to have the same dimensions. + if (!mState.attachmentsHaveSameDimensions()) + { + return gl::FramebufferStatus::Incomplete( + GL_FRAMEBUFFER_UNSUPPORTED, + gl::err::kFramebufferIncompleteUnsupportedMissmatchedDimensions); + } + + return gl::FramebufferStatus::Complete(); +} + +angle::Result FramebufferD3D::syncState(const gl::Context *context, + GLenum binding, + const gl::Framebuffer::DirtyBits &dirtyBits, + gl::Command command) +{ + if (!mColorAttachmentsForRender.valid()) + { + return angle::Result::Continue; + } + + for (auto dirtyBit : dirtyBits) + { + if ((dirtyBit >= gl::Framebuffer::DIRTY_BIT_COLOR_ATTACHMENT_0 && + dirtyBit < gl::Framebuffer::DIRTY_BIT_COLOR_ATTACHMENT_MAX) || + dirtyBit == gl::Framebuffer::DIRTY_BIT_DRAW_BUFFERS) + { + mColorAttachmentsForRender.reset(); + } + } + + return angle::Result::Continue; +} + +const gl::AttachmentList &FramebufferD3D::getColorAttachmentsForRender(const gl::Context *context) +{ + gl::DrawBufferMask activeProgramOutputs = + context->getState().getProgram()->getExecutable().getActiveOutputVariablesMask(); + + if (mColorAttachmentsForRender.valid() && mCurrentActiveProgramOutputs == activeProgramOutputs) + { + return mColorAttachmentsForRender.value(); + } + + // Does not actually free memory + gl::AttachmentList colorAttachmentsForRender; + mColorAttachmentsForRenderMask.reset(); + + const auto &colorAttachments = mState.getColorAttachments(); + const auto &drawBufferStates = mState.getDrawBufferStates(); + const auto &features = mRenderer->getFeatures(); + + for (size_t attachmentIndex = 0; attachmentIndex < colorAttachments.size(); ++attachmentIndex) + { + GLenum drawBufferState = drawBufferStates[attachmentIndex]; + const gl::FramebufferAttachment &colorAttachment = colorAttachments[attachmentIndex]; + + if (colorAttachment.isAttached() && drawBufferState != GL_NONE && + activeProgramOutputs[attachmentIndex]) + { + ASSERT(drawBufferState == GL_BACK || + drawBufferState == (GL_COLOR_ATTACHMENT0_EXT + attachmentIndex)); + colorAttachmentsForRender.push_back(&colorAttachment); + mColorAttachmentsForRenderMask.set(attachmentIndex); + } + else if (!features.mrtPerfWorkaround.enabled) + { + colorAttachmentsForRender.push_back(nullptr); + mColorAttachmentsForRenderMask.set(attachmentIndex); + } + } + + // When rendering with no render target on D3D, two bugs lead to incorrect behavior on Intel + // drivers < 4815. The rendering samples always pass neglecting discard statements in pixel + // shader. We add a mock texture as render target in such case. + if (mRenderer->getFeatures().addMockTextureNoRenderTarget.enabled && + colorAttachmentsForRender.empty() && activeProgramOutputs.any()) + { + static_assert(static_cast<size_t>(activeProgramOutputs.size()) <= 32, + "Size of active program outputs should less or equal than 32."); + const GLuint activeProgramLocation = static_cast<GLuint>( + gl::ScanForward(static_cast<uint32_t>(activeProgramOutputs.bits()))); + + if (mMockAttachment.isAttached() && + (mMockAttachment.getBinding() - GL_COLOR_ATTACHMENT0) == activeProgramLocation) + { + colorAttachmentsForRender.push_back(&mMockAttachment); + } + else + { + // Remove mock attachment to prevents us from leaking it, and the program may require + // it to be attached to a new binding point. + if (mMockAttachment.isAttached()) + { + mMockAttachment.detach(context, Serial()); + } + + gl::Texture *mockTex = nullptr; + // TODO(jmadill): Handle error if mock texture can't be created. + (void)mRenderer->getIncompleteTexture(context, gl::TextureType::_2D, &mockTex); + if (mockTex) + { + gl::ImageIndex index = gl::ImageIndex::Make2D(0); + mMockAttachment = gl::FramebufferAttachment( + context, GL_TEXTURE, GL_COLOR_ATTACHMENT0_EXT + activeProgramLocation, index, + mockTex, Serial()); + colorAttachmentsForRender.push_back(&mMockAttachment); + } + } + } + + mColorAttachmentsForRender = std::move(colorAttachmentsForRender); + mCurrentActiveProgramOutputs = activeProgramOutputs; + + return mColorAttachmentsForRender.value(); +} + +void FramebufferD3D::destroy(const gl::Context *context) +{ + if (mMockAttachment.isAttached()) + { + mMockAttachment.detach(context, Serial()); + } +} + +} // namespace rx |