Add m-esr52 at 52.6.0

1 files changed, 255 insertions, 0 deletions

diff --git a/gfx/angle/src/libANGLE/renderer/d3d/d3d9/VertexDeclarationCache.cpp b/gfx/angle/src/libANGLE/renderer/d3d/d3d9/VertexDeclarationCache.cpp
new file mode 100755
index 000000000..c2e935e71
--- /dev/null
+++ b/gfx/angle/src/libANGLE/renderer/d3d/d3d9/VertexDeclarationCache.cpp
@@ -0,0 +1,255 @@
+//
+// 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/VertexAttribute.h"
+#include "libANGLE/formatutils.h"
+#include "libANGLE/renderer/d3d/ProgramD3D.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 = 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,
+    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 || !attributes.size());
+    }
+
+    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 == NULL);
+
+            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_RESULT(attributes[i].computeOffset(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;
+            }
+
+            gl::VertexFormatType vertexformatType = gl::GetVertexFormatType(*attributes[i].attribute, GL_FLOAT);
+            const d3d9::VertexFormat &d3d9VertexInfo = d3d9::GetVertexFormatInfo(caps.DeclTypes, vertexformatType);
+
+            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 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
+}
+
+}