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Commit f41522b6 by Jamie Madill
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Split vertex translation into helper methods.

Refactoring patch only. BUG=angle:571 Change-Id: I17e8c1eb80bdf7c3ec7cc4bad4e70e81590e4a89 Reviewed-on: https://chromium-review.googlesource.com/210644Tested-by: 's avatarJamie Madill <jmadill@chromium.org> Reviewed-by: 's avatarGeoff Lang <geofflang@chromium.org>
parent 39e7bc05
Showing with 144 additions and 98 deletions
src/libGLESv2/renderer/d3d/VertexDataManager.cpp
...@@ -166,79 +166,12 @@ GLenum VertexDataManager::prepareVertexData(const gl::VertexAttribute attribs[], ...@@ -166,79 +166,12 @@ GLenum VertexDataManager::prepareVertexData(const gl::VertexAttribute attribs[],
{ {
if (translated[i].active) if (translated[i].active)
{ {
GLenum result;
if (attribs[i].enabled) if (attribs[i].enabled)
{ {
gl::Buffer *buffer = attribs[i].buffer.get(); result = storeAttribute(attribs[i], currentValues[i], &translated[i],
start, count, instances);
if (!buffer && attribs[i].pointer == NULL)
{
// This is an application error that would normally result in a crash, but we catch it and return an error
ERR("An enabled vertex array has no buffer and no pointer.");
return GL_INVALID_OPERATION;
}
BufferD3D *storage = buffer ? BufferD3D::makeBufferD3D(buffer->getImplementation()) : NULL;
StaticVertexBufferInterface *staticBuffer = storage ? storage->getStaticVertexBuffer() : NULL;
VertexBufferInterface *vertexBuffer = staticBuffer ? staticBuffer : static_cast<VertexBufferInterface*>(mStreamingBuffer);
bool directStorage = vertexBuffer->directStoragePossible(attribs[i], currentValues[i]);
unsigned int streamOffset = 0;
unsigned int outputElementSize = 0;
if (directStorage)
{
outputElementSize = ComputeVertexAttributeStride(attribs[i]);
streamOffset = attribs[i].offset + outputElementSize * start;
}
else if (staticBuffer)
{
if (!staticBuffer->getVertexBuffer()->getSpaceRequired(attribs[i], 1, 0, &outputElementSize))
{
return GL_OUT_OF_MEMORY;
}
if (!staticBuffer->lookupAttribute(attribs[i], &streamOffset))
{
// Convert the entire buffer
int totalCount = ElementsInBuffer(attribs[i], storage->getSize());
int startIndex = attribs[i].offset / ComputeVertexAttributeStride(attribs[i]);
if (!staticBuffer->storeVertexAttributes(attribs[i], currentValues[i], -startIndex, totalCount,
0, &streamOffset))
{
return GL_OUT_OF_MEMORY;
}
}
unsigned int firstElementOffset = (attribs[i].offset / ComputeVertexAttributeStride(attribs[i])) * outputElementSize;
unsigned int startOffset = (instances == 0 || attribs[i].divisor == 0) ? start * outputElementSize : 0;
if (streamOffset + firstElementOffset + startOffset < streamOffset)
{
return GL_OUT_OF_MEMORY;
}
streamOffset += firstElementOffset + startOffset;
}
else
{
int totalCount = StreamingBufferElementCount(attribs[i], count, instances);
if (!mStreamingBuffer->getVertexBuffer()->getSpaceRequired(attribs[i], 1, 0, &outputElementSize) ||
!mStreamingBuffer->storeVertexAttributes(attribs[i], currentValues[i], start, totalCount, instances,
&streamOffset))
{
return GL_OUT_OF_MEMORY;
}
}
translated[i].storage = directStorage ? storage : NULL;
translated[i].vertexBuffer = vertexBuffer->getVertexBuffer();
translated[i].serial = directStorage ? storage->getSerial() : vertexBuffer->getSerial();
translated[i].divisor = attribs[i].divisor;
translated[i].attribute = &attribs[i];
translated[i].currentValueType = currentValues[i].Type;
translated[i].stride = outputElementSize;
translated[i].offset = streamOffset;
} }
else else
{ {
...@@ -247,34 +180,14 @@ GLenum VertexDataManager::prepareVertexData(const gl::VertexAttribute attribs[], ...@@ -247,34 +180,14 @@ GLenum VertexDataManager::prepareVertexData(const gl::VertexAttribute attribs[],
mCurrentValueBuffer[i] = new StreamingVertexBufferInterface(mRenderer, CONSTANT_VERTEX_BUFFER_SIZE); mCurrentValueBuffer[i] = new StreamingVertexBufferInterface(mRenderer, CONSTANT_VERTEX_BUFFER_SIZE);
} }
StreamingVertexBufferInterface *buffer = mCurrentValueBuffer[i]; result = storeCurrentValue(attribs[i], currentValues[i], &translated[i],
&mCurrentValue[i], &mCurrentValueOffsets[i],
if (mCurrentValue[i] != currentValues[i]) mCurrentValueBuffer[i]);
{ }
if (!buffer->reserveVertexSpace(attribs[i], 1, 0))
{
return GL_OUT_OF_MEMORY;
}
unsigned int streamOffset;
if (!buffer->storeVertexAttributes(attribs[i], currentValues[i], 0, 1, 0, &streamOffset))
{
return GL_OUT_OF_MEMORY;
}
mCurrentValue[i] = currentValues[i];
mCurrentValueOffsets[i] = streamOffset;
}
translated[i].storage = NULL;
translated[i].vertexBuffer = mCurrentValueBuffer[i]->getVertexBuffer();
translated[i].serial = mCurrentValueBuffer[i]->getSerial();
translated[i].divisor = 0;
translated[i].attribute = &attribs[i]; if (result != GL_NO_ERROR)
translated[i].currentValueType = currentValues[i].Type; {
translated[i].stride = 0; return result;
translated[i].offset = mCurrentValueOffsets[i];
} }
} }
} }
...@@ -296,4 +209,123 @@ GLenum VertexDataManager::prepareVertexData(const gl::VertexAttribute attribs[], ...@@ -296,4 +209,123 @@ GLenum VertexDataManager::prepareVertexData(const gl::VertexAttribute attribs[],
return GL_NO_ERROR; return GL_NO_ERROR;
} }
GLenum VertexDataManager::storeAttribute(const gl::VertexAttribute &attrib,
const gl::VertexAttribCurrentValueData &currentValue,
TranslatedAttribute *translated,
GLint start,
GLsizei count,
GLsizei instances)
{
gl::Buffer *buffer = attrib.buffer.get();
if (!buffer && attrib.pointer == NULL)
{
// This is an application error that would normally result in a crash, but we catch it and return an error
ERR("An enabled vertex array has no buffer and no pointer.");
return GL_INVALID_OPERATION;
}
BufferD3D *storage = buffer ? BufferD3D::makeBufferD3D(buffer->getImplementation()) : NULL;
StaticVertexBufferInterface *staticBuffer = storage ? storage->getStaticVertexBuffer() : NULL;
VertexBufferInterface *vertexBuffer = staticBuffer ? staticBuffer : static_cast<VertexBufferInterface*>(mStreamingBuffer);
bool directStorage = vertexBuffer->directStoragePossible(attrib, currentValue);
unsigned int streamOffset = 0;
unsigned int outputElementSize = 0;
if (directStorage)
{
outputElementSize = ComputeVertexAttributeStride(attrib);
streamOffset = attrib.offset + outputElementSize * start;
}
else if (staticBuffer)
{
if (!staticBuffer->getVertexBuffer()->getSpaceRequired(attrib, 1, 0, &outputElementSize))
{
return GL_OUT_OF_MEMORY;
}
if (!staticBuffer->lookupAttribute(attrib, &streamOffset))
{
// Convert the entire buffer
int totalCount = ElementsInBuffer(attrib, storage->getSize());
int startIndex = attrib.offset / ComputeVertexAttributeStride(attrib);
if (!staticBuffer->storeVertexAttributes(attrib, currentValue, -startIndex, totalCount,
0, &streamOffset))
{
return GL_OUT_OF_MEMORY;
}
}
unsigned int firstElementOffset = (attrib.offset / ComputeVertexAttributeStride(attrib)) * outputElementSize;
unsigned int startOffset = (instances == 0 || attrib.divisor == 0) ? start * outputElementSize : 0;
if (streamOffset + firstElementOffset + startOffset < streamOffset)
{
return GL_OUT_OF_MEMORY;
}
streamOffset += firstElementOffset + startOffset;
}
else
{
int totalCount = StreamingBufferElementCount(attrib, count, instances);
if (!mStreamingBuffer->getVertexBuffer()->getSpaceRequired(attrib, 1, 0, &outputElementSize) ||
!mStreamingBuffer->storeVertexAttributes(attrib, currentValue, start, totalCount, instances,
&streamOffset))
{
return GL_OUT_OF_MEMORY;
}
}
translated->storage = directStorage ? storage : NULL;
translated->vertexBuffer = vertexBuffer->getVertexBuffer();
translated->serial = directStorage ? storage->getSerial() : vertexBuffer->getSerial();
translated->divisor = attrib.divisor;
translated->attribute = &attrib;
translated->currentValueType = currentValue.Type;
translated->stride = outputElementSize;
translated->offset = streamOffset;
return GL_NO_ERROR;
}
GLenum VertexDataManager::storeCurrentValue(const gl::VertexAttribute &attrib,
const gl::VertexAttribCurrentValueData &currentValue,
TranslatedAttribute *translated,
gl::VertexAttribCurrentValueData *cachedValue,
size_t *cachedOffset,
StreamingVertexBufferInterface *buffer)
{
if (*cachedValue != currentValue)
{
if (!buffer->reserveVertexSpace(attrib, 1, 0))
{
return GL_OUT_OF_MEMORY;
}
unsigned int streamOffset;
if (!buffer->storeVertexAttributes(attrib, currentValue, 0, 1, 0, &streamOffset))
{
return GL_OUT_OF_MEMORY;
}
*cachedValue = currentValue;
*cachedOffset = streamOffset;
}
translated->storage = NULL;
translated->vertexBuffer = buffer->getVertexBuffer();
translated->serial = buffer->getSerial();
translated->divisor = 0;
translated->attribute = &attrib;
translated->currentValueType = currentValue.Type;
translated->stride = 0;
translated->offset = *cachedOffset;
return GL_NO_ERROR;
}
} }
src/libGLESv2/renderer/d3d/VertexDataManager.h
...@@ -58,6 +58,20 @@ class VertexDataManager ...@@ -58,6 +58,20 @@ class VertexDataManager
private: private:
DISALLOW_COPY_AND_ASSIGN(VertexDataManager); DISALLOW_COPY_AND_ASSIGN(VertexDataManager);
GLenum storeAttribute(const gl::VertexAttribute &attrib,
const gl::VertexAttribCurrentValueData &currentValue,
TranslatedAttribute *translated,
GLint start,
GLsizei count,
GLsizei instances);
GLenum storeCurrentValue(const gl::VertexAttribute &attrib,
const gl::VertexAttribCurrentValueData &currentValue,
TranslatedAttribute *translated,
gl::VertexAttribCurrentValueData *cachedValue,
size_t *cachedOffset,
StreamingVertexBufferInterface *buffer);
rx::Renderer *const mRenderer; rx::Renderer *const mRenderer;
StreamingVertexBufferInterface *mStreamingBuffer; StreamingVertexBufferInterface *mStreamingBuffer;
......
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