diff options
Diffstat (limited to 'src/3rdparty/angle/src/libANGLE/Buffer.cpp')
| -rw-r--r-- | src/3rdparty/angle/src/libANGLE/Buffer.cpp | 215 |
1 files changed, 0 insertions, 215 deletions
diff --git a/src/3rdparty/angle/src/libANGLE/Buffer.cpp b/src/3rdparty/angle/src/libANGLE/Buffer.cpp deleted file mode 100644 index a1ebfc1acb..0000000000 --- a/src/3rdparty/angle/src/libANGLE/Buffer.cpp +++ /dev/null @@ -1,215 +0,0 @@ -// -// Copyright (c) 2002-2014 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. -// - -// Buffer.cpp: Implements the gl::Buffer class, representing storage of vertex and/or -// index data. Implements GL buffer objects and related functionality. -// [OpenGL ES 2.0.24] section 2.9 page 21. - -#include "libANGLE/Buffer.h" - -#include "libANGLE/Context.h" -#include "libANGLE/renderer/BufferImpl.h" -#include "libANGLE/renderer/GLImplFactory.h" - -namespace gl -{ - -BufferState::BufferState() - : mLabel(), - mUsage(BufferUsage::StaticDraw), - mSize(0), - mAccessFlags(0), - mAccess(GL_WRITE_ONLY_OES), - mMapped(GL_FALSE), - mMapPointer(nullptr), - mMapOffset(0), - mMapLength(0) -{ -} - -BufferState::~BufferState() -{ -} - -Buffer::Buffer(rx::GLImplFactory *factory, GLuint id) - : RefCountObject(id), mImpl(factory->createBuffer(mState)) -{ -} - -Buffer::~Buffer() -{ - SafeDelete(mImpl); -} - -Error Buffer::onDestroy(const Context *context) -{ - // In tests, mImpl might be null. - if (mImpl) - mImpl->destroy(context); - return NoError(); -} - -void Buffer::setLabel(const std::string &label) -{ - mState.mLabel = label; -} - -const std::string &Buffer::getLabel() const -{ - return mState.mLabel; -} - -Error Buffer::bufferData(const Context *context, - BufferBinding target, - const void *data, - GLsizeiptr size, - BufferUsage usage) -{ - const void *dataForImpl = data; - - // If we are using robust resource init, make sure the buffer starts cleared. - // Note: the Context is checked for nullptr because of some testing code. - // TODO(jmadill): Investigate lazier clearing. - if (context && context->getGLState().isRobustResourceInitEnabled() && !data && size > 0) - { - angle::MemoryBuffer *scratchBuffer = nullptr; - ANGLE_TRY(context->getZeroFilledBuffer(static_cast<size_t>(size), &scratchBuffer)); - dataForImpl = scratchBuffer->data(); - } - - ANGLE_TRY(mImpl->setData(context, target, dataForImpl, size, usage)); - - mIndexRangeCache.clear(); - mState.mUsage = usage; - mState.mSize = size; - - return NoError(); -} - -Error Buffer::bufferSubData(const Context *context, - BufferBinding target, - const void *data, - GLsizeiptr size, - GLintptr offset) -{ - ANGLE_TRY(mImpl->setSubData(context, target, data, size, offset)); - - mIndexRangeCache.invalidateRange(static_cast<unsigned int>(offset), static_cast<unsigned int>(size)); - - return NoError(); -} - -Error Buffer::copyBufferSubData(const Context *context, - Buffer *source, - GLintptr sourceOffset, - GLintptr destOffset, - GLsizeiptr size) -{ - ANGLE_TRY( - mImpl->copySubData(context, source->getImplementation(), sourceOffset, destOffset, size)); - - mIndexRangeCache.invalidateRange(static_cast<unsigned int>(destOffset), static_cast<unsigned int>(size)); - - return NoError(); -} - -Error Buffer::map(const Context *context, GLenum access) -{ - ASSERT(!mState.mMapped); - - mState.mMapPointer = nullptr; - ANGLE_TRY(mImpl->map(context, access, &mState.mMapPointer)); - - ASSERT(access == GL_WRITE_ONLY_OES); - - mState.mMapped = GL_TRUE; - mState.mMapOffset = 0; - mState.mMapLength = mState.mSize; - mState.mAccess = access; - mState.mAccessFlags = GL_MAP_WRITE_BIT; - mIndexRangeCache.clear(); - - return NoError(); -} - -Error Buffer::mapRange(const Context *context, - GLintptr offset, - GLsizeiptr length, - GLbitfield access) -{ - ASSERT(!mState.mMapped); - ASSERT(offset + length <= mState.mSize); - - mState.mMapPointer = nullptr; - ANGLE_TRY(mImpl->mapRange(context, offset, length, access, &mState.mMapPointer)); - - mState.mMapped = GL_TRUE; - mState.mMapOffset = static_cast<GLint64>(offset); - mState.mMapLength = static_cast<GLint64>(length); - mState.mAccess = GL_WRITE_ONLY_OES; - mState.mAccessFlags = access; - - // The OES_mapbuffer extension states that GL_WRITE_ONLY_OES is the only valid - // value for GL_BUFFER_ACCESS_OES because it was written against ES2. Since there is - // no update for ES3 and the GL_READ_ONLY and GL_READ_WRITE enums don't exist for ES, - // we cannot properly set GL_BUFFER_ACCESS_OES when glMapBufferRange is called. - - if ((access & GL_MAP_WRITE_BIT) > 0) - { - mIndexRangeCache.invalidateRange(static_cast<unsigned int>(offset), static_cast<unsigned int>(length)); - } - - return NoError(); -} - -Error Buffer::unmap(const Context *context, GLboolean *result) -{ - ASSERT(mState.mMapped); - - *result = GL_FALSE; - ANGLE_TRY(mImpl->unmap(context, result)); - - mState.mMapped = GL_FALSE; - mState.mMapPointer = nullptr; - mState.mMapOffset = 0; - mState.mMapLength = 0; - mState.mAccess = GL_WRITE_ONLY_OES; - mState.mAccessFlags = 0; - - return NoError(); -} - -void Buffer::onTransformFeedback() -{ - mIndexRangeCache.clear(); -} - -void Buffer::onPixelUnpack() -{ - mIndexRangeCache.clear(); -} - -Error Buffer::getIndexRange(const gl::Context *context, - GLenum type, - size_t offset, - size_t count, - bool primitiveRestartEnabled, - IndexRange *outRange) const -{ - if (mIndexRangeCache.findRange(type, offset, count, primitiveRestartEnabled, outRange)) - { - return NoError(); - } - - ANGLE_TRY( - mImpl->getIndexRange(context, type, offset, count, primitiveRestartEnabled, outRange)); - - mIndexRangeCache.addRange(type, offset, count, primitiveRestartEnabled, *outRange); - - return NoError(); -} - -} // namespace gl |