Moved D3D specific files and folders under the D3D folder.
Change-Id: I8afd67e08ee558fe94532c377d079673357a7192
Reviewed-on: https://chromium-review.googlesource.com/205229
Reviewed-by: Shannon Woods <shannonwoods@chromium.org>
Reviewed-by: Geoff Lang <geofflang@chromium.org>
Tested-by: Geoff Lang <geofflang@chromium.org>
diff --git a/src/libGLESv2/renderer/d3d/VertexDataManager.cpp b/src/libGLESv2/renderer/d3d/VertexDataManager.cpp
new file mode 100644
index 0000000..33296c5
--- /dev/null
+++ b/src/libGLESv2/renderer/d3d/VertexDataManager.cpp
@@ -0,0 +1,293 @@
+#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.
+//
+
+// VertexDataManager.h: Defines the VertexDataManager, a class that
+// runs the Buffer translation process.
+
+#include "libGLESv2/renderer/d3d/VertexDataManager.h"
+#include "libGLESv2/renderer/BufferStorage.h"
+
+#include "libGLESv2/Buffer.h"
+#include "libGLESv2/ProgramBinary.h"
+#include "libGLESv2/VertexAttribute.h"
+#include "libGLESv2/renderer/d3d/VertexBuffer.h"
+#include "libGLESv2/renderer/Renderer.h"
+
+namespace
+{
+ enum { INITIAL_STREAM_BUFFER_SIZE = 1024*1024 };
+ // This has to be at least 4k or else it fails on ATI cards.
+ enum { CONSTANT_VERTEX_BUFFER_SIZE = 4096 };
+}
+
+namespace rx
+{
+
+static int ElementsInBuffer(const gl::VertexAttribute &attrib, unsigned int size)
+{
+ // Size cannot be larger than a GLsizei
+ if (size > static_cast<unsigned int>(std::numeric_limits<int>::max()))
+ {
+ size = static_cast<unsigned int>(std::numeric_limits<int>::max());
+ }
+
+ GLsizei stride = ComputeVertexAttributeStride(attrib);
+ return (size - attrib.offset % stride + (stride - ComputeVertexAttributeTypeSize(attrib))) / stride;
+}
+
+static int StreamingBufferElementCount(const gl::VertexAttribute &attrib, int vertexDrawCount, int instanceDrawCount)
+{
+ // For instanced rendering, we draw "instanceDrawCount" sets of "vertexDrawCount" vertices.
+ //
+ // A vertex attribute with a positive divisor loads one instanced vertex for every set of
+ // non-instanced vertices, and the instanced vertex index advances once every "mDivisor" instances.
+ if (instanceDrawCount > 0 && attrib.divisor > 0)
+ {
+ return instanceDrawCount / attrib.divisor;
+ }
+
+ return vertexDrawCount;
+}
+
+VertexDataManager::VertexDataManager(Renderer *renderer) : mRenderer(renderer)
+{
+ for (int i = 0; i < gl::MAX_VERTEX_ATTRIBS; i++)
+ {
+ mCurrentValue[i].FloatValues[0] = std::numeric_limits<float>::quiet_NaN();
+ mCurrentValue[i].FloatValues[1] = std::numeric_limits<float>::quiet_NaN();
+ mCurrentValue[i].FloatValues[2] = std::numeric_limits<float>::quiet_NaN();
+ mCurrentValue[i].FloatValues[3] = std::numeric_limits<float>::quiet_NaN();
+ mCurrentValue[i].Type = GL_FLOAT;
+ mCurrentValueBuffer[i] = NULL;
+ mCurrentValueOffsets[i] = 0;
+ }
+
+ mStreamingBuffer = new StreamingVertexBufferInterface(renderer, INITIAL_STREAM_BUFFER_SIZE);
+
+ if (!mStreamingBuffer)
+ {
+ ERR("Failed to allocate the streaming vertex buffer.");
+ }
+}
+
+VertexDataManager::~VertexDataManager()
+{
+ delete mStreamingBuffer;
+
+ for (int i = 0; i < gl::MAX_VERTEX_ATTRIBS; i++)
+ {
+ delete mCurrentValueBuffer[i];
+ }
+}
+
+GLenum VertexDataManager::prepareVertexData(const gl::VertexAttribute attribs[], const gl::VertexAttribCurrentValueData currentValues[],
+ gl::ProgramBinary *programBinary, GLint start, GLsizei count, TranslatedAttribute *translated, GLsizei instances)
+{
+ if (!mStreamingBuffer)
+ {
+ return GL_OUT_OF_MEMORY;
+ }
+
+ for (int attributeIndex = 0; attributeIndex < gl::MAX_VERTEX_ATTRIBS; attributeIndex++)
+ {
+ translated[attributeIndex].active = (programBinary->getSemanticIndex(attributeIndex) != -1);
+ }
+
+ // Invalidate static buffers that don't contain matching attributes
+ for (int i = 0; i < gl::MAX_VERTEX_ATTRIBS; i++)
+ {
+ if (translated[i].active && attribs[i].enabled)
+ {
+ gl::Buffer *buffer = attribs[i].buffer.get();
+ StaticVertexBufferInterface *staticBuffer = buffer ? buffer->getStaticVertexBuffer() : NULL;
+
+ if (staticBuffer && staticBuffer->getBufferSize() > 0 && !staticBuffer->lookupAttribute(attribs[i], NULL) &&
+ !staticBuffer->directStoragePossible(attribs[i], currentValues[i]))
+ {
+ buffer->invalidateStaticData();
+ }
+ }
+ }
+
+ // Reserve the required space in the buffers
+ for (int i = 0; i < gl::MAX_VERTEX_ATTRIBS; i++)
+ {
+ if (translated[i].active && attribs[i].enabled)
+ {
+ gl::Buffer *buffer = attribs[i].buffer.get();
+ StaticVertexBufferInterface *staticBuffer = buffer ? buffer->getStaticVertexBuffer() : NULL;
+ VertexBufferInterface *vertexBuffer = staticBuffer ? staticBuffer : static_cast<VertexBufferInterface*>(mStreamingBuffer);
+
+ if (!vertexBuffer->directStoragePossible(attribs[i], currentValues[i]))
+ {
+ if (staticBuffer)
+ {
+ if (staticBuffer->getBufferSize() == 0)
+ {
+ int totalCount = ElementsInBuffer(attribs[i], buffer->size());
+ if (!staticBuffer->reserveVertexSpace(attribs[i], totalCount, 0))
+ {
+ return GL_OUT_OF_MEMORY;
+ }
+ }
+ }
+ else
+ {
+ int totalCount = StreamingBufferElementCount(attribs[i], count, instances);
+
+ // [OpenGL ES 3.0.2] section 2.9.4 page 40:
+ // We can return INVALID_OPERATION if our vertex attribute does not have enough backing data.
+ if (buffer && ElementsInBuffer(attribs[i], buffer->size()) < totalCount)
+ {
+ return GL_INVALID_OPERATION;
+ }
+
+ if (!mStreamingBuffer->reserveVertexSpace(attribs[i], totalCount, instances))
+ {
+ return GL_OUT_OF_MEMORY;
+ }
+ }
+ }
+ }
+ }
+
+ // Perform the vertex data translations
+ for (int i = 0; i < gl::MAX_VERTEX_ATTRIBS; i++)
+ {
+ if (translated[i].active)
+ {
+ if (attribs[i].enabled)
+ {
+ gl::Buffer *buffer = attribs[i].buffer.get();
+
+ 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;
+ }
+
+ StaticVertexBufferInterface *staticBuffer = buffer ? buffer->getStaticVertexBuffer() : NULL;
+ VertexBufferInterface *vertexBuffer = staticBuffer ? staticBuffer : static_cast<VertexBufferInterface*>(mStreamingBuffer);
+
+ BufferStorage *storage = buffer ? buffer->getStorage() : NULL;
+ 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
+ {
+ if (!mCurrentValueBuffer[i])
+ {
+ mCurrentValueBuffer[i] = new StreamingVertexBufferInterface(mRenderer, CONSTANT_VERTEX_BUFFER_SIZE);
+ }
+
+ StreamingVertexBufferInterface *buffer = mCurrentValueBuffer[i];
+
+ if (mCurrentValue[i] != currentValues[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];
+ translated[i].currentValueType = currentValues[i].Type;
+ translated[i].stride = 0;
+ translated[i].offset = mCurrentValueOffsets[i];
+ }
+ }
+ }
+
+ for (int i = 0; i < gl::MAX_VERTEX_ATTRIBS; i++)
+ {
+ if (translated[i].active && attribs[i].enabled)
+ {
+ gl::Buffer *buffer = attribs[i].buffer.get();
+
+ if (buffer)
+ {
+ buffer->promoteStaticUsage(count * ComputeVertexAttributeTypeSize(attribs[i]));
+ }
+ }
+ }
+
+ return GL_NO_ERROR;
+}
+
+}