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-rwxr-xr-xgfx/angle/src/libANGLE/renderer/d3d/d3d9/VertexDeclarationCache.h65
1 files changed, 65 insertions, 0 deletions
diff --git a/gfx/angle/src/libANGLE/renderer/d3d/d3d9/VertexDeclarationCache.h b/gfx/angle/src/libANGLE/renderer/d3d/d3d9/VertexDeclarationCache.h
new file mode 100755
index 000000000..7bd7cabae
--- /dev/null
+++ b/gfx/angle/src/libANGLE/renderer/d3d/d3d9/VertexDeclarationCache.h
@@ -0,0 +1,65 @@
+//
+// 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.h: Defines a helper class to construct and cache vertex declarations.
+
+#ifndef LIBANGLE_RENDERER_D3D_D3D9_VERTEXDECLARATIONCACHE_H_
+#define LIBANGLE_RENDERER_D3D_D3D9_VERTEXDECLARATIONCACHE_H_
+
+#include "libANGLE/Error.h"
+#include "libANGLE/renderer/d3d/VertexDataManager.h"
+
+namespace gl
+{
+class VertexDataManager;
+class Program;
+}
+
+namespace rx
+{
+
+class VertexDeclarationCache
+{
+ public:
+ VertexDeclarationCache();
+ ~VertexDeclarationCache();
+
+ gl::Error applyDeclaration(IDirect3DDevice9 *device,
+ const std::vector<TranslatedAttribute> &attributes,
+ gl::Program *program,
+ GLint start,
+ GLsizei instances,
+ GLsizei *repeatDraw);
+
+ void markStateDirty();
+
+ private:
+ UINT mMaxLru;
+
+ enum { NUM_VERTEX_DECL_CACHE_ENTRIES = 32 };
+
+ struct VBData
+ {
+ unsigned int serial;
+ unsigned int stride;
+ unsigned int offset;
+ };
+
+ VBData mAppliedVBs[gl::MAX_VERTEX_ATTRIBS];
+ IDirect3DVertexDeclaration9 *mLastSetVDecl;
+ bool mInstancingEnabled;
+
+ struct VertexDeclCacheEntry
+ {
+ D3DVERTEXELEMENT9 cachedElements[gl::MAX_VERTEX_ATTRIBS + 1];
+ UINT lruCount;
+ IDirect3DVertexDeclaration9 *vertexDeclaration;
+ } mVertexDeclCache[NUM_VERTEX_DECL_CACHE_ENTRIES];
+};
+
+}
+
+#endif // LIBANGLE_RENDERER_D3D_D3D9_VERTEXDECLARATIONCACHE_H_