1 //
2 // Copyright (c) 2012 The ANGLE Project Authors. All rights reserved.
3 // Use of this source code is governed by a BSD-style license that can be
4 // found in the LICENSE file.
5 //
6 
7 // IndexBuffer11.h: Defines the D3D11 IndexBuffer implementation.
8 
9 #ifndef LIBANGLE_RENDERER_D3D_D3D11_INDEXBUFFER11_H_
10 #define LIBANGLE_RENDERER_D3D_D3D11_INDEXBUFFER11_H_
11 
12 #include "libANGLE/renderer/d3d/IndexBuffer.h"
13 #include "libANGLE/renderer/d3d/d3d11/ResourceManager11.h"
14 
15 namespace rx
16 {
17 class Renderer11;
18 
19 class IndexBuffer11 : public IndexBuffer
20 {
21   public:
22     explicit IndexBuffer11(Renderer11 *const renderer);
23     ~IndexBuffer11() override;
24 
25     gl::Error initialize(unsigned int bufferSize, GLenum indexType, bool dynamic) override;
26 
27     gl::Error mapBuffer(unsigned int offset, unsigned int size, void **outMappedMemory) override;
28     gl::Error unmapBuffer() override;
29 
30     GLenum getIndexType() const override;
31     unsigned int getBufferSize() const override;
32     gl::Error setSize(unsigned int bufferSize, GLenum indexType) override;
33 
34     gl::Error discard() override;
35 
36     DXGI_FORMAT getIndexFormat() const;
37     const d3d11::Buffer &getBuffer() const;
38 
39   private:
40     Renderer11 *const mRenderer;
41 
42     d3d11::Buffer mBuffer;
43     unsigned int mBufferSize;
44     GLenum mIndexType;
45     bool mDynamicUsage;
46 };
47 
48 }  // namespace rx
49 
50 #endif // LIBANGLE_RENDERER_D3D_D3D11_INDEXBUFFER11_H_
51