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-rw-r--r--src/3rdparty/angle/src/libGLESv2/renderer/IndexDataManager.cpp339
1 files changed, 0 insertions, 339 deletions
diff --git a/src/3rdparty/angle/src/libGLESv2/renderer/IndexDataManager.cpp b/src/3rdparty/angle/src/libGLESv2/renderer/IndexDataManager.cpp
deleted file mode 100644
index 49bace8193..0000000000
--- a/src/3rdparty/angle/src/libGLESv2/renderer/IndexDataManager.cpp
+++ /dev/null
@@ -1,339 +0,0 @@
-#include "precompiled.h"
-//
-// 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.
-//
-
-// IndexDataManager.cpp: Defines the IndexDataManager, a class that
-// runs the Buffer translation process for index buffers.
-
-#include "libGLESv2/renderer/IndexDataManager.h"
-#include "libGLESv2/renderer/BufferStorage.h"
-
-#include "libGLESv2/Buffer.h"
-#include "libGLESv2/main.h"
-#include "libGLESv2/utilities.h"
-#include "libGLESv2/renderer/IndexBuffer.h"
-
-namespace rx
-{
-
-IndexDataManager::IndexDataManager(Renderer *renderer) : mRenderer(renderer)
-{
- mStreamingBufferShort = new StreamingIndexBufferInterface(mRenderer);
- if (!mStreamingBufferShort->reserveBufferSpace(INITIAL_INDEX_BUFFER_SIZE, GL_UNSIGNED_SHORT))
- {
- delete mStreamingBufferShort;
- mStreamingBufferShort = NULL;
- }
-
- mStreamingBufferInt = new StreamingIndexBufferInterface(mRenderer);
- if (!mStreamingBufferInt->reserveBufferSpace(INITIAL_INDEX_BUFFER_SIZE, GL_UNSIGNED_INT))
- {
- delete mStreamingBufferInt;
- mStreamingBufferInt = NULL;
- }
-
- if (!mStreamingBufferShort)
- {
- // Make sure both buffers are deleted.
- delete mStreamingBufferInt;
- mStreamingBufferInt = NULL;
-
- ERR("Failed to allocate the streaming index buffer(s).");
- }
-
- mCountingBuffer = NULL;
-}
-
-IndexDataManager::~IndexDataManager()
-{
- delete mStreamingBufferShort;
- delete mStreamingBufferInt;
- delete mCountingBuffer;
-}
-
-static void convertIndices(GLenum type, const void *input, GLsizei count, void *output)
-{
- if (type == GL_UNSIGNED_BYTE)
- {
- const GLubyte *in = static_cast<const GLubyte*>(input);
- GLushort *out = static_cast<GLushort*>(output);
-
- for (GLsizei i = 0; i < count; i++)
- {
- out[i] = in[i];
- }
- }
- else if (type == GL_UNSIGNED_INT)
- {
- memcpy(output, input, count * sizeof(GLuint));
- }
- else if (type == GL_UNSIGNED_SHORT)
- {
- memcpy(output, input, count * sizeof(GLushort));
- }
- else UNREACHABLE();
-}
-
-template <class IndexType>
-static void computeRange(const IndexType *indices, GLsizei count, GLuint *minIndex, GLuint *maxIndex)
-{
- *minIndex = indices[0];
- *maxIndex = indices[0];
-
- for (GLsizei i = 0; i < count; i++)
- {
- if (*minIndex > indices[i]) *minIndex = indices[i];
- if (*maxIndex < indices[i]) *maxIndex = indices[i];
- }
-}
-
-static void computeRange(GLenum type, const GLvoid *indices, GLsizei count, GLuint *minIndex, GLuint *maxIndex)
-{
- if (type == GL_UNSIGNED_BYTE)
- {
- computeRange(static_cast<const GLubyte*>(indices), count, minIndex, maxIndex);
- }
- else if (type == GL_UNSIGNED_INT)
- {
- computeRange(static_cast<const GLuint*>(indices), count, minIndex, maxIndex);
- }
- else if (type == GL_UNSIGNED_SHORT)
- {
- computeRange(static_cast<const GLushort*>(indices), count, minIndex, maxIndex);
- }
- else UNREACHABLE();
-}
-
-GLenum IndexDataManager::prepareIndexData(GLenum type, GLsizei count, gl::Buffer *buffer, const GLvoid *indices, TranslatedIndexData *translated)
-{
- if (!mStreamingBufferShort)
- {
- return GL_OUT_OF_MEMORY;
- }
-
- GLenum destinationIndexType = (type == GL_UNSIGNED_INT) ? GL_UNSIGNED_INT : GL_UNSIGNED_SHORT;
- unsigned int offset = 0;
- bool alignedOffset = false;
-
- BufferStorage *storage = NULL;
-
- if (buffer != NULL)
- {
- if (reinterpret_cast<uintptr_t>(indices) > std::numeric_limits<unsigned int>::max())
- {
- return GL_OUT_OF_MEMORY;
- }
- offset = static_cast<unsigned int>(reinterpret_cast<uintptr_t>(indices));
-
- storage = buffer->getStorage();
-
- switch (type)
- {
- case GL_UNSIGNED_BYTE: alignedOffset = (offset % sizeof(GLubyte) == 0); break;
- case GL_UNSIGNED_SHORT: alignedOffset = (offset % sizeof(GLushort) == 0); break;
- case GL_UNSIGNED_INT: alignedOffset = (offset % sizeof(GLuint) == 0); break;
- default: UNREACHABLE(); alignedOffset = false;
- }
-
- unsigned int typeSize = gl::ComputeTypeSize(type);
-
- // check for integer overflows
- if (static_cast<unsigned int>(count) > (std::numeric_limits<unsigned int>::max() / typeSize) ||
- typeSize * static_cast<unsigned int>(count) + offset < offset)
- {
- return GL_OUT_OF_MEMORY;
- }
-
- if (typeSize * static_cast<unsigned int>(count) + offset > storage->getSize())
- {
- return GL_INVALID_OPERATION;
- }
-
- indices = static_cast<const GLubyte*>(storage->getData()) + offset;
- }
-
- StreamingIndexBufferInterface *streamingBuffer = (type == GL_UNSIGNED_INT) ? mStreamingBufferInt : mStreamingBufferShort;
-
- StaticIndexBufferInterface *staticBuffer = buffer ? buffer->getStaticIndexBuffer() : NULL;
- IndexBufferInterface *indexBuffer = streamingBuffer;
- bool directStorage = alignedOffset && storage && storage->supportsDirectBinding() &&
- destinationIndexType == type;
- unsigned int streamOffset = 0;
-
- if (directStorage)
- {
- indexBuffer = streamingBuffer;
- streamOffset = offset;
- storage->markBufferUsage();
-
- if (!buffer->getIndexRangeCache()->findRange(type, offset, count, &translated->minIndex,
- &translated->maxIndex, NULL))
- {
- computeRange(type, indices, count, &translated->minIndex, &translated->maxIndex);
- buffer->getIndexRangeCache()->addRange(type, offset, count, translated->minIndex,
- translated->maxIndex, offset);
- }
- }
- else if (staticBuffer && staticBuffer->getBufferSize() != 0 && staticBuffer->getIndexType() == type && alignedOffset)
- {
- indexBuffer = staticBuffer;
- if (!staticBuffer->getIndexRangeCache()->findRange(type, offset, count, &translated->minIndex,
- &translated->maxIndex, &streamOffset))
- {
- streamOffset = (offset / gl::ComputeTypeSize(type)) * gl::ComputeTypeSize(destinationIndexType);
- computeRange(type, indices, count, &translated->minIndex, &translated->maxIndex);
- staticBuffer->getIndexRangeCache()->addRange(type, offset, count, translated->minIndex,
- translated->maxIndex, streamOffset);
- }
- }
- else
- {
- unsigned int convertCount = count;
-
- if (staticBuffer)
- {
- if (staticBuffer->getBufferSize() == 0 && alignedOffset)
- {
- indexBuffer = staticBuffer;
- convertCount = storage->getSize() / gl::ComputeTypeSize(type);
- }
- else
- {
- buffer->invalidateStaticData();
- staticBuffer = NULL;
- }
- }
-
- if (!indexBuffer)
- {
- ERR("No valid index buffer.");
- return GL_INVALID_OPERATION;
- }
-
- unsigned int indexTypeSize = gl::ComputeTypeSize(destinationIndexType);
- if (convertCount > std::numeric_limits<unsigned int>::max() / indexTypeSize)
- {
- ERR("Reserving %u indicies of %u bytes each exceeds the maximum buffer size.", convertCount, indexTypeSize);
- return GL_OUT_OF_MEMORY;
- }
-
- unsigned int bufferSizeRequired = convertCount * indexTypeSize;
- if (!indexBuffer->reserveBufferSpace(bufferSizeRequired, type))
- {
- ERR("Failed to reserve %u bytes in an index buffer.", bufferSizeRequired);
- return GL_OUT_OF_MEMORY;
- }
-
- void* output = NULL;
- if (!indexBuffer->mapBuffer(bufferSizeRequired, &output, &streamOffset))
- {
- ERR("Failed to map index buffer.");
- return GL_OUT_OF_MEMORY;
- }
-
- convertIndices(type, staticBuffer ? storage->getData() : indices, convertCount, output);
-
- if (!indexBuffer->unmapBuffer())
- {
- ERR("Failed to unmap index buffer.");
- return GL_OUT_OF_MEMORY;
- }
-
- computeRange(type, indices, count, &translated->minIndex, &translated->maxIndex);
-
- if (staticBuffer)
- {
- streamOffset = (offset / gl::ComputeTypeSize(type)) * gl::ComputeTypeSize(destinationIndexType);
- staticBuffer->getIndexRangeCache()->addRange(type, offset, count, translated->minIndex,
- translated->maxIndex, streamOffset);
- }
- }
-
- translated->storage = directStorage ? storage : NULL;
- translated->indexBuffer = indexBuffer->getIndexBuffer();
- translated->serial = directStorage ? storage->getSerial() : indexBuffer->getSerial();
- translated->startIndex = streamOffset / gl::ComputeTypeSize(destinationIndexType);
- translated->startOffset = streamOffset;
-
- if (buffer)
- {
- buffer->promoteStaticUsage(count * gl::ComputeTypeSize(type));
- }
-
- return GL_NO_ERROR;
-}
-
-StaticIndexBufferInterface *IndexDataManager::getCountingIndices(GLsizei count)
-{
- if (count <= 65536) // 16-bit indices
- {
- const unsigned int spaceNeeded = count * sizeof(unsigned short);
-
- if (!mCountingBuffer || mCountingBuffer->getBufferSize() < spaceNeeded)
- {
- delete mCountingBuffer;
- mCountingBuffer = new StaticIndexBufferInterface(mRenderer);
- mCountingBuffer->reserveBufferSpace(spaceNeeded, GL_UNSIGNED_SHORT);
-
- void* mappedMemory = NULL;
- if (!mCountingBuffer->mapBuffer(spaceNeeded, &mappedMemory, NULL))
- {
- ERR("Failed to map counting buffer.");
- return NULL;
- }
-
- unsigned short *data = reinterpret_cast<unsigned short*>(mappedMemory);
- for(int i = 0; i < count; i++)
- {
- data[i] = i;
- }
-
- if (!mCountingBuffer->unmapBuffer())
- {
- ERR("Failed to unmap counting buffer.");
- return NULL;
- }
- }
- }
- else if (mStreamingBufferInt) // 32-bit indices supported
- {
- const unsigned int spaceNeeded = count * sizeof(unsigned int);
-
- if (!mCountingBuffer || mCountingBuffer->getBufferSize() < spaceNeeded)
- {
- delete mCountingBuffer;
- mCountingBuffer = new StaticIndexBufferInterface(mRenderer);
- mCountingBuffer->reserveBufferSpace(spaceNeeded, GL_UNSIGNED_INT);
-
- void* mappedMemory = NULL;
- if (!mCountingBuffer->mapBuffer(spaceNeeded, &mappedMemory, NULL))
- {
- ERR("Failed to map counting buffer.");
- return NULL;
- }
-
- unsigned int *data = reinterpret_cast<unsigned int*>(mappedMemory);
- for(int i = 0; i < count; i++)
- {
- data[i] = i;
- }
-
- if (!mCountingBuffer->unmapBuffer())
- {
- ERR("Failed to unmap counting buffer.");
- return NULL;
- }
- }
- }
- else
- {
- return NULL;
- }
-
- return mCountingBuffer;
-}
-
-}