Diligent Engine API Reference: D:/GitHub/DiligentEngine/DiligentCore/Graphics/GraphicsEngineOpenGL/include/TexRegionRender.h Source File

Diligent Engine API Reference

TexRegionRender.h
1 /* Copyright 2015-2018 Egor Yusov
2 *
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
10 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
11 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF ANY PROPRIETARY RIGHTS.
12 *
13 * In no event and under no legal theory, whether in tort (including negligence),
14 * contract, or otherwise, unless required by applicable law (such as deliberate
15 * and grossly negligent acts) or agreed to in writing, shall any Contributor be
16 * liable for any damages, including any direct, indirect, special, incidental,
17 * or consequential damages of any character arising as a result of this License or
18 * out of the use or inability to use the software (including but not limited to damages
19 * for loss of goodwill, work stoppage, computer failure or malfunction, or any and
20 * all other commercial damages or losses), even if such Contributor has been advised
21 * of the possibility of such damages.
22 */
23
24 #pragma once
25
26 namespace Diligent
27 {
28
29 // Helper class to facilitate texture copying by rendering
30 class TexRegionRender
31 {
32 public:
33 TexRegionRender(class RenderDeviceGLImpl *pDeviceGL);
34 void SetStates(class DeviceContextGLImpl *pCtxGL);
35 void RestoreStates(class DeviceContextGLImpl *pCtxGL);
36 void Render(class DeviceContextGLImpl *pCtxGL,
37 ITextureView *pSrcSRV,
38 RESOURCE_DIMENSION TexType,
39 TEXTURE_FORMAT TexFormat,
40 Int32 DstToSrcXOffset,
41 Int32 DstToSrcYOffset,
42 Int32 SrcZ,
43 Int32 SrcMipLevel);
44
45 private:
46 Diligent::RefCntAutoPtr<IShader> m_pVertexShader;
47 Diligent::RefCntAutoPtr<IShader> m_pFragmentShaders[RESOURCE_DIM_NUM_DIMENSIONS * 3];
48 Diligent::RefCntAutoPtr<IBuffer> m_pConstantBuffer;
49 Diligent::RefCntAutoPtr<IPipelineState> m_pPSO[RESOURCE_DIM_NUM_DIMENSIONS * 3];
50
51 Diligent::RefCntAutoPtr<IPipelineState> m_pOrigPSO;
52 Uint32 m_OrigStencilRef = 0;
53 float m_OrigBlendFactors[4] = {};
54 Uint32 m_NumRenderTargets = 0;
55 ITextureView *m_pOrigRTVs[MaxRenderTargets] = {};
56 Diligent::RefCntAutoPtr<ITextureView> m_pOrigDSV;
57 std::vector<Viewport> m_OrigViewports;
58 };
59
60 }
Diligent::TEXTURE_FORMAT
TEXTURE_FORMAT
Texture formats.
Definition: GraphicsTypes.h:244
Diligent
Namespace for the OpenGL implementation of the graphics engine.
Definition: BufferD3D11Impl.h:34
Diligent::MaxRenderTargets
static constexpr Uint32 MaxRenderTargets
Maximum number of simultaneous render targets.
Definition: Constants.h:36
Diligent::RESOURCE_DIMENSION
RESOURCE_DIMENSION
Describes resource dimension.
Definition: GraphicsTypes.h:172
Diligent::RESOURCE_DIM_NUM_DIMENSIONS
Helper value that stores the total number of texture types in the enumeration.
Definition: GraphicsTypes.h:183
Diligent::RefCntAutoPtr
Template class that implements reference counting.
Definition: RefCntAutoPtr.h:71