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Diffstat (limited to '')
| -rw-r--r-- | gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/VertexDeclarationCache.cpp | 262 |
1 files changed, 262 insertions, 0 deletions
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/VertexDeclarationCache.cpp b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/VertexDeclarationCache.cpp new file mode 100644 index 0000000000..e129ae9786 --- /dev/null +++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/VertexDeclarationCache.cpp @@ -0,0 +1,262 @@ +// +// Copyright 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/Context.h" +#include "libANGLE/VertexAttribute.h" +#include "libANGLE/formatutils.h" +#include "libANGLE/renderer/d3d/ProgramD3D.h" +#include "libANGLE/renderer/d3d/d3d9/Context9.h" +#include "libANGLE/renderer/d3d/d3d9/VertexBuffer9.h" +#include "libANGLE/renderer/d3d/d3d9/formatutils9.h" + +namespace rx +{ + +VertexDeclarationCache::VertexDeclarationCache() : mMaxLru(0) +{ + for (int i = 0; i < NUM_VERTEX_DECL_CACHE_ENTRIES; i++) + { + mVertexDeclCache[i].vertexDeclaration = nullptr; + mVertexDeclCache[i].lruCount = 0; + } + + for (VBData &vb : mAppliedVBs) + { + vb.serial = 0; + } + + mLastSetVDecl = nullptr; + mInstancingEnabled = true; +} + +VertexDeclarationCache::~VertexDeclarationCache() +{ + for (int i = 0; i < NUM_VERTEX_DECL_CACHE_ENTRIES; i++) + { + SafeRelease(mVertexDeclCache[i].vertexDeclaration); + } +} + +angle::Result VertexDeclarationCache::applyDeclaration( + const gl::Context *context, + IDirect3DDevice9 *device, + const std::vector<TranslatedAttribute> &attributes, + gl::Program *program, + GLint start, + GLsizei instances, + GLsizei *repeatDraw) +{ + ASSERT(gl::MAX_VERTEX_ATTRIBS >= attributes.size()); + + *repeatDraw = 1; + + const size_t invalidAttribIndex = attributes.size(); + size_t indexedAttribute = invalidAttribIndex; + size_t instancedAttribute = invalidAttribIndex; + + if (instances == 0) + { + for (size_t i = 0; i < attributes.size(); ++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 (size_t i = 0; i < attributes.size(); i++) + { + if (attributes[i].active) + { + if (indexedAttribute == invalidAttribIndex && attributes[i].divisor == 0) + { + indexedAttribute = i; + } + else if (instancedAttribute == invalidAttribIndex && attributes[i].divisor != 0) + { + instancedAttribute = i; + } + if (indexedAttribute != invalidAttribIndex && + instancedAttribute != invalidAttribIndex) + 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 != invalidAttribIndex); + } + + D3DCAPS9 caps; + device->GetDeviceCaps(&caps); + + D3DVERTEXELEMENT9 elements[gl::MAX_VERTEX_ATTRIBS + 1]; + D3DVERTEXELEMENT9 *element = &elements[0]; + + ProgramD3D *programD3D = GetImplAs<ProgramD3D>(program); + const auto &semanticIndexes = programD3D->getAttribLocationToD3DSemantics(); + + for (size_t i = 0; i < attributes.size(); i++) + { + if (attributes[i].active) + { + // Directly binding the storage buffer is not supported for d3d9 + ASSERT(attributes[i].storage == nullptr); + + int stream = static_cast<int>(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 == invalidAttribIndex) + { + *repeatDraw = instances; + } + else + { + if (i == indexedAttribute) + { + stream = 0; + } + else if (i == 0) + { + stream = static_cast<int>(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 = GetAs<VertexBuffer9>(attributes[i].vertexBuffer.get()); + + unsigned int offset = 0; + ANGLE_TRY(attributes[i].computeOffset(context, start, &offset)); + + if (mAppliedVBs[stream].serial != attributes[i].serial || + mAppliedVBs[stream].stride != attributes[i].stride || + mAppliedVBs[stream].offset != offset) + { + device->SetStreamSource(stream, vertexBuffer->getBuffer(), offset, + attributes[i].stride); + mAppliedVBs[stream].serial = attributes[i].serial; + mAppliedVBs[stream].stride = attributes[i].stride; + mAppliedVBs[stream].offset = offset; + } + + angle::FormatID vertexformatID = + gl::GetVertexFormatID(*attributes[i].attribute, gl::VertexAttribType::Float); + const d3d9::VertexFormat &d3d9VertexInfo = + d3d9::GetVertexFormatInfo(caps.DeclTypes, vertexformatID); + + element->Stream = static_cast<WORD>(stream); + element->Offset = 0; + element->Type = static_cast<BYTE>(d3d9VertexInfo.nativeFormat); + element->Method = D3DDECLMETHOD_DEFAULT; + element->Usage = D3DDECLUSAGE_TEXCOORD; + element->UsageIndex = static_cast<BYTE>(semanticIndexes[i]); + element++; + } + } + + if (instances == 0 || instancedAttribute == invalidAttribIndex) + { + 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 angle::Result::Continue; + } + } + + 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 != nullptr) + { + 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); + ANGLE_TRY_HR(GetImplAs<Context9>(context), result, + "Failed to create internal vertex declaration"); + + device->SetVertexDeclaration(lastCache->vertexDeclaration); + mLastSetVDecl = lastCache->vertexDeclaration; + lastCache->lruCount = ++mMaxLru; + + return angle::Result::Continue; +} + +void VertexDeclarationCache::markStateDirty() +{ + for (VBData &vb : mAppliedVBs) + { + vb.serial = 0; + } + + mLastSetVDecl = nullptr; + mInstancingEnabled = true; // Forces it to be disabled when not used +} + +} // namespace rx |