1 //
2 // Copyright 2014 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 // TransformFeedback11.h: Implements the abstract rx::TransformFeedbackImpl class.
8 
9 #ifndef LIBANGLE_RENDERER_D3D_D3D11_TRANSFORMFEEDBACK11_H_
10 #define LIBANGLE_RENDERER_D3D_D3D11_TRANSFORMFEEDBACK11_H_
11 
12 #include "common/platform.h"
13 
14 #include "libANGLE/Error.h"
15 #include "libANGLE/angletypes.h"
16 #include "libANGLE/renderer/TransformFeedbackImpl.h"
17 #include "libANGLE/renderer/renderer_utils.h"
18 
19 namespace rx
20 {
21 
22 class Renderer11;
23 
24 class TransformFeedback11 : public TransformFeedbackImpl
25 {
26   public:
27     TransformFeedback11(const gl::TransformFeedbackState &state, Renderer11 *renderer);
28     ~TransformFeedback11() override;
29 
30     void begin(GLenum primitiveMode) override;
31     void end() override;
32     void pause() override;
33     void resume() override;
34 
35     void bindGenericBuffer(const gl::BindingPointer<gl::Buffer> &binding) override;
36     void bindIndexedBuffer(size_t index,
37                            const gl::OffsetBindingPointer<gl::Buffer> &binding) override;
38 
39     void onApply();
40 
41     bool isDirty() const;
42 
43     UINT getNumSOBuffers() const;
44     gl::ErrorOrResult<const std::vector<ID3D11Buffer *> *> getSOBuffers(const gl::Context *context);
45     const std::vector<UINT> &getSOBufferOffsets() const;
46 
47     Serial getSerial() const;
48 
49   private:
50     Renderer11 *mRenderer;
51 
52     bool mIsDirty;
53     std::vector<ID3D11Buffer *> mBuffers;
54     std::vector<UINT> mBufferOffsets;
55 
56     Serial mSerial;
57 };
58 }  // namespace rx
59 
60 #endif  // LIBANGLE_RENDERER_D3D_D3D11_TRANSFORMFEEDBACK11_H_
61