diff options
Diffstat (limited to 'src/3rdparty/angle/src/libANGLE/renderer/d3d/d3d9/VertexDeclarationCache.cpp')
| -rw-r--r-- | src/3rdparty/angle/src/libANGLE/renderer/d3d/d3d9/VertexDeclarationCache.cpp | 237 |
1 files changed, 237 insertions, 0 deletions
diff --git a/src/3rdparty/angle/src/libANGLE/renderer/d3d/d3d9/VertexDeclarationCache.cpp b/src/3rdparty/angle/src/libANGLE/renderer/d3d/d3d9/VertexDeclarationCache.cpp new file mode 100644 index 0000000000..f9eded9b50 --- /dev/null +++ b/src/3rdparty/angle/src/libANGLE/renderer/d3d/d3d9/VertexDeclarationCache.cpp @@ -0,0 +1,237 @@ +// +// Copyright (c) 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. +// + +// VertexDeclarationCache.cpp: Implements a helper class to construct and cache vertex declarations. + +#include "libANGLE/renderer/d3d/d3d9/VertexDeclarationCache.h" +#include "libANGLE/renderer/d3d/d3d9/VertexBuffer9.h" +#include "libANGLE/renderer/d3d/d3d9/formatutils9.h" +#include "libANGLE/Program.h" +#include "libANGLE/VertexAttribute.h" + +namespace rx +{ + +VertexDeclarationCache::VertexDeclarationCache() : mMaxLru(0) +{ + for (int i = 0; i < NUM_VERTEX_DECL_CACHE_ENTRIES; i++) + { + mVertexDeclCache[i].vertexDeclaration = NULL; + mVertexDeclCache[i].lruCount = 0; + } + + for (int i = 0; i < gl::MAX_VERTEX_ATTRIBS; i++) + { + mAppliedVBs[i].serial = 0; + } + + mLastSetVDecl = NULL; + mInstancingEnabled = true; +} + +VertexDeclarationCache::~VertexDeclarationCache() +{ + for (int i = 0; i < NUM_VERTEX_DECL_CACHE_ENTRIES; i++) + { + SafeRelease(mVertexDeclCache[i].vertexDeclaration); + } +} + +gl::Error VertexDeclarationCache::applyDeclaration(IDirect3DDevice9 *device, TranslatedAttribute attributes[], gl::Program *program, GLsizei instances, GLsizei *repeatDraw) +{ + *repeatDraw = 1; + + int indexedAttribute = gl::MAX_VERTEX_ATTRIBS; + int instancedAttribute = gl::MAX_VERTEX_ATTRIBS; + + if (instances == 0) + { + for (int i = 0; i < gl::MAX_VERTEX_ATTRIBS; ++i) + { + if (attributes[i].divisor != 0) + { + // If a divisor is set, it still applies even if an instanced draw was not used, so treat + // as a single-instance draw. + instances = 1; + break; + } + } + } + + if (instances > 0) + { + // Find an indexed attribute to be mapped to D3D stream 0 + for (int i = 0; i < gl::MAX_VERTEX_ATTRIBS; i++) + { + if (attributes[i].active) + { + if (indexedAttribute == gl::MAX_VERTEX_ATTRIBS && attributes[i].divisor == 0) + { + indexedAttribute = i; + } + else if (instancedAttribute == gl::MAX_VERTEX_ATTRIBS && attributes[i].divisor != 0) + { + instancedAttribute = i; + } + if (indexedAttribute != gl::MAX_VERTEX_ATTRIBS && instancedAttribute != gl::MAX_VERTEX_ATTRIBS) + break; // Found both an indexed and instanced attribute + } + } + + // The validation layer checks that there is at least one active attribute with a zero divisor as per + // the GL_ANGLE_instanced_arrays spec. + ASSERT(indexedAttribute != gl::MAX_VERTEX_ATTRIBS); + } + + D3DCAPS9 caps; + device->GetDeviceCaps(&caps); + + D3DVERTEXELEMENT9 elements[gl::MAX_VERTEX_ATTRIBS + 1]; + D3DVERTEXELEMENT9 *element = &elements[0]; + + for (int i = 0; i < gl::MAX_VERTEX_ATTRIBS; i++) + { + if (attributes[i].active) + { + // Directly binding the storage buffer is not supported for d3d9 + ASSERT(attributes[i].storage == NULL); + + int stream = i; + + if (instances > 0) + { + // Due to a bug on ATI cards we can't enable instancing when none of the attributes are instanced. + if (instancedAttribute == gl::MAX_VERTEX_ATTRIBS) + { + *repeatDraw = instances; + } + else + { + if (i == indexedAttribute) + { + stream = 0; + } + else if (i == 0) + { + stream = indexedAttribute; + } + + UINT frequency = 1; + + if (attributes[i].divisor == 0) + { + frequency = D3DSTREAMSOURCE_INDEXEDDATA | instances; + } + else + { + frequency = D3DSTREAMSOURCE_INSTANCEDATA | attributes[i].divisor; + } + + device->SetStreamSourceFreq(stream, frequency); + mInstancingEnabled = true; + } + } + + VertexBuffer9 *vertexBuffer = VertexBuffer9::makeVertexBuffer9(attributes[i].vertexBuffer); + + if (mAppliedVBs[stream].serial != attributes[i].serial || + mAppliedVBs[stream].stride != attributes[i].stride || + mAppliedVBs[stream].offset != attributes[i].offset) + { + device->SetStreamSource(stream, vertexBuffer->getBuffer(), attributes[i].offset, attributes[i].stride); + mAppliedVBs[stream].serial = attributes[i].serial; + mAppliedVBs[stream].stride = attributes[i].stride; + mAppliedVBs[stream].offset = attributes[i].offset; + } + + gl::VertexFormat vertexFormat(*attributes[i].attribute, GL_FLOAT); + const d3d9::VertexFormat &d3d9VertexInfo = d3d9::GetVertexFormatInfo(caps.DeclTypes, vertexFormat); + + element->Stream = stream; + element->Offset = 0; + element->Type = d3d9VertexInfo.nativeFormat; + element->Method = D3DDECLMETHOD_DEFAULT; + element->Usage = D3DDECLUSAGE_TEXCOORD; + element->UsageIndex = program->getSemanticIndex(i); + element++; + } + } + + if (instances == 0 || instancedAttribute == gl::MAX_VERTEX_ATTRIBS) + { + if (mInstancingEnabled) + { + for (int i = 0; i < gl::MAX_VERTEX_ATTRIBS; i++) + { + device->SetStreamSourceFreq(i, 1); + } + + mInstancingEnabled = false; + } + } + + static const D3DVERTEXELEMENT9 end = D3DDECL_END(); + *(element++) = end; + + for (int i = 0; i < NUM_VERTEX_DECL_CACHE_ENTRIES; i++) + { + VertexDeclCacheEntry *entry = &mVertexDeclCache[i]; + if (memcmp(entry->cachedElements, elements, (element - elements) * sizeof(D3DVERTEXELEMENT9)) == 0 && entry->vertexDeclaration) + { + entry->lruCount = ++mMaxLru; + if(entry->vertexDeclaration != mLastSetVDecl) + { + device->SetVertexDeclaration(entry->vertexDeclaration); + mLastSetVDecl = entry->vertexDeclaration; + } + + return gl::Error(GL_NO_ERROR); + } + } + + VertexDeclCacheEntry *lastCache = mVertexDeclCache; + + for (int i = 0; i < NUM_VERTEX_DECL_CACHE_ENTRIES; i++) + { + if (mVertexDeclCache[i].lruCount < lastCache->lruCount) + { + lastCache = &mVertexDeclCache[i]; + } + } + + if (lastCache->vertexDeclaration != NULL) + { + SafeRelease(lastCache->vertexDeclaration); + // mLastSetVDecl is set to the replacement, so we don't have to worry + // about it. + } + + memcpy(lastCache->cachedElements, elements, (element - elements) * sizeof(D3DVERTEXELEMENT9)); + HRESULT result = device->CreateVertexDeclaration(elements, &lastCache->vertexDeclaration); + if (FAILED(result)) + { + return gl::Error(GL_OUT_OF_MEMORY, "Failed to create internal vertex declaration, result: 0x%X.", result); + } + + device->SetVertexDeclaration(lastCache->vertexDeclaration); + mLastSetVDecl = lastCache->vertexDeclaration; + lastCache->lruCount = ++mMaxLru; + + return gl::Error(GL_NO_ERROR); +} + +void VertexDeclarationCache::markStateDirty() +{ + for (int i = 0; i < gl::MAX_VERTEX_ATTRIBS; i++) + { + mAppliedVBs[i].serial = 0; + } + + mLastSetVDecl = NULL; + mInstancingEnabled = true; // Forces it to be disabled when not used +} + +} |