diff options
Diffstat (limited to 'src/3rdparty/angle/src/libANGLE/renderer/d3d/VertexBuffer.cpp')
| -rw-r--r-- | src/3rdparty/angle/src/libANGLE/renderer/d3d/VertexBuffer.cpp | 293 |
1 files changed, 0 insertions, 293 deletions
diff --git a/src/3rdparty/angle/src/libANGLE/renderer/d3d/VertexBuffer.cpp b/src/3rdparty/angle/src/libANGLE/renderer/d3d/VertexBuffer.cpp deleted file mode 100644 index 7c2d5aec70..0000000000 --- a/src/3rdparty/angle/src/libANGLE/renderer/d3d/VertexBuffer.cpp +++ /dev/null @@ -1,293 +0,0 @@ -// -// Copyright (c) 2002-2012 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. -// - -// VertexBuffer.cpp: Defines the abstract VertexBuffer class and VertexBufferInterface -// class with derivations, classes that perform graphics API agnostic vertex buffer operations. - -#include "libANGLE/renderer/d3d/VertexBuffer.h" - -#include "common/mathutil.h" -#include "libANGLE/renderer/d3d/BufferD3D.h" -#include "libANGLE/renderer/d3d/RendererD3D.h" -#include "libANGLE/VertexAttribute.h" - -namespace rx -{ - -// VertexBuffer Implementation -unsigned int VertexBuffer::mNextSerial = 1; - -VertexBuffer::VertexBuffer() : mRefCount(1) -{ - updateSerial(); -} - -VertexBuffer::~VertexBuffer() -{ -} - -void VertexBuffer::updateSerial() -{ - mSerial = mNextSerial++; -} - -unsigned int VertexBuffer::getSerial() const -{ - return mSerial; -} - -void VertexBuffer::addRef() -{ - mRefCount++; -} - -void VertexBuffer::release() -{ - ASSERT(mRefCount > 0); - mRefCount--; - - if (mRefCount == 0) - { - delete this; - } -} - -// VertexBufferInterface Implementation -VertexBufferInterface::VertexBufferInterface(BufferFactoryD3D *factory, bool dynamic) - : mFactory(factory), mVertexBuffer(factory->createVertexBuffer()), mDynamic(dynamic) -{ -} - -VertexBufferInterface::~VertexBufferInterface() -{ - if (mVertexBuffer) - { - mVertexBuffer->release(); - } -} - -unsigned int VertexBufferInterface::getSerial() const -{ - return mVertexBuffer->getSerial(); -} - -unsigned int VertexBufferInterface::getBufferSize() const -{ - return mVertexBuffer->getBufferSize(); -} - -gl::Error VertexBufferInterface::setBufferSize(unsigned int size) -{ - if (mVertexBuffer->getBufferSize() == 0) - { - return mVertexBuffer->initialize(size, mDynamic); - } - - return mVertexBuffer->setBufferSize(size); -} - -gl::ErrorOrResult<unsigned int> VertexBufferInterface::getSpaceRequired( - const gl::VertexAttribute &attrib, - const gl::VertexBinding &binding, - GLsizei count, - GLsizei instances) const -{ - unsigned int spaceRequired = 0; - ANGLE_TRY_RESULT(mFactory->getVertexSpaceRequired(attrib, binding, count, instances), - spaceRequired); - - // Align to 16-byte boundary - unsigned int alignedSpaceRequired = roundUp(spaceRequired, 16u); - - if (alignedSpaceRequired < spaceRequired) - { - return gl::OutOfMemory() - << "Vertex buffer overflow in VertexBufferInterface::getSpaceRequired."; - } - - return alignedSpaceRequired; -} - -gl::Error VertexBufferInterface::discard() -{ - return mVertexBuffer->discard(); -} - -VertexBuffer *VertexBufferInterface::getVertexBuffer() const -{ - return mVertexBuffer; -} - -// StreamingVertexBufferInterface Implementation -StreamingVertexBufferInterface::StreamingVertexBufferInterface(BufferFactoryD3D *factory, - std::size_t initialSize) - : VertexBufferInterface(factory, true), mWritePosition(0), mReservedSpace(0) -{ - // TODO(jmadill): Make an initialize method that can return an error. - ANGLE_SWALLOW_ERR(setBufferSize(static_cast<unsigned int>(initialSize))); -} - -StreamingVertexBufferInterface::~StreamingVertexBufferInterface() -{ -} - -gl::Error StreamingVertexBufferInterface::reserveSpace(unsigned int size) -{ - unsigned int curBufferSize = getBufferSize(); - if (size > curBufferSize) - { - ANGLE_TRY(setBufferSize(std::max(size, 3 * curBufferSize / 2))); - mWritePosition = 0; - } - else if (mWritePosition + size > curBufferSize) - { - ANGLE_TRY(discard()); - mWritePosition = 0; - } - - return gl::NoError(); -} - -gl::Error StreamingVertexBufferInterface::storeDynamicAttribute(const gl::VertexAttribute &attrib, - const gl::VertexBinding &binding, - GLenum currentValueType, - GLint start, - GLsizei count, - GLsizei instances, - unsigned int *outStreamOffset, - const uint8_t *sourceData) -{ - unsigned int spaceRequired = 0; - ANGLE_TRY_RESULT(getSpaceRequired(attrib, binding, count, instances), spaceRequired); - - // Protect against integer overflow - angle::CheckedNumeric<unsigned int> checkedPosition(mWritePosition); - checkedPosition += spaceRequired; - if (!checkedPosition.IsValid()) - { - return gl::OutOfMemory() - << "Internal error, new vertex buffer write position would overflow."; - } - - ANGLE_TRY(reserveSpace(mReservedSpace)); - mReservedSpace = 0; - - ANGLE_TRY(mVertexBuffer->storeVertexAttributes(attrib, binding, currentValueType, start, count, - instances, mWritePosition, sourceData)); - - if (outStreamOffset) - { - *outStreamOffset = mWritePosition; - } - - mWritePosition += spaceRequired; - - return gl::NoError(); -} - -gl::Error StreamingVertexBufferInterface::reserveVertexSpace(const gl::VertexAttribute &attrib, - const gl::VertexBinding &binding, - GLsizei count, - GLsizei instances) -{ - unsigned int requiredSpace = 0; - ANGLE_TRY_RESULT(mFactory->getVertexSpaceRequired(attrib, binding, count, instances), - requiredSpace); - - // Align to 16-byte boundary - auto alignedRequiredSpace = rx::CheckedRoundUp(requiredSpace, 16u); - alignedRequiredSpace += mReservedSpace; - - // Protect against integer overflow - if (!alignedRequiredSpace.IsValid()) - { - return gl::OutOfMemory() - << "Unable to reserve " << requiredSpace - << " extra bytes in internal vertex buffer, it would result in an overflow."; - } - - mReservedSpace = alignedRequiredSpace.ValueOrDie(); - - return gl::NoError(); -} - -// StaticVertexBufferInterface Implementation -StaticVertexBufferInterface::AttributeSignature::AttributeSignature() - : type(GL_NONE), size(0), stride(0), normalized(false), pureInteger(false), offset(0) -{ -} - -bool StaticVertexBufferInterface::AttributeSignature::matchesAttribute( - const gl::VertexAttribute &attrib, - const gl::VertexBinding &binding) const -{ - size_t attribStride = ComputeVertexAttributeStride(attrib, binding); - - if (type != attrib.type || size != attrib.size || static_cast<GLuint>(stride) != attribStride || - normalized != attrib.normalized || pureInteger != attrib.pureInteger) - { - return false; - } - - size_t attribOffset = - (static_cast<size_t>(ComputeVertexAttributeOffset(attrib, binding)) % attribStride); - return (offset == attribOffset); -} - -void StaticVertexBufferInterface::AttributeSignature::set(const gl::VertexAttribute &attrib, - const gl::VertexBinding &binding) -{ - type = attrib.type; - size = attrib.size; - normalized = attrib.normalized; - pureInteger = attrib.pureInteger; - offset = stride = static_cast<GLuint>(ComputeVertexAttributeStride(attrib, binding)); - offset = static_cast<size_t>(ComputeVertexAttributeOffset(attrib, binding)) % - ComputeVertexAttributeStride(attrib, binding); -} - -StaticVertexBufferInterface::StaticVertexBufferInterface(BufferFactoryD3D *factory) - : VertexBufferInterface(factory, false) -{ -} - -StaticVertexBufferInterface::~StaticVertexBufferInterface() -{ -} - -bool StaticVertexBufferInterface::matchesAttribute(const gl::VertexAttribute &attrib, - const gl::VertexBinding &binding) const -{ - return mSignature.matchesAttribute(attrib, binding); -} - -void StaticVertexBufferInterface::setAttribute(const gl::VertexAttribute &attrib, - const gl::VertexBinding &binding) -{ - return mSignature.set(attrib, binding); -} - -gl::Error StaticVertexBufferInterface::storeStaticAttribute(const gl::VertexAttribute &attrib, - const gl::VertexBinding &binding, - GLint start, - GLsizei count, - GLsizei instances, - const uint8_t *sourceData) -{ - unsigned int spaceRequired = 0; - ANGLE_TRY_RESULT(getSpaceRequired(attrib, binding, count, instances), spaceRequired); - ANGLE_TRY(setBufferSize(spaceRequired)); - - ASSERT(attrib.enabled); - ANGLE_TRY(mVertexBuffer->storeVertexAttributes(attrib, binding, GL_NONE, start, count, - instances, 0, sourceData)); - - mSignature.set(attrib, binding); - mVertexBuffer->hintUnmapResource(); - return gl::NoError(); -} - -} // namespace rx |