forked from mirrors/0ad
vladislavbelov
a17fad722a
Tested By: Langbart, nwtour Differential Revision: https://code.wildfiregames.com/D4475 This was SVN commit r26302.
103 lines
2.7 KiB
C++
103 lines
2.7 KiB
C++
/* Copyright (C) 2022 Wildfire Games.
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* This file is part of 0 A.D.
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*
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* 0 A.D. is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* 0 A.D. is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with 0 A.D. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef INCLUDED_RENDERER_GL_DEVICECOMMANDCONTEXT
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#define INCLUDED_RENDERER_GL_DEVICECOMMANDCONTEXT
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#include "renderer/backend/Format.h"
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#include "renderer/backend/PipelineState.h"
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#include <array>
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#include <memory>
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#include <optional>
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namespace Renderer
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{
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namespace Backend
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{
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namespace GL
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{
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class CDevice;
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class CFramebuffer;
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class CTexture;
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class CDeviceCommandContext
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{
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public:
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~CDeviceCommandContext();
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CDevice* GetDevice() { return m_Device; }
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void SetGraphicsPipelineState(const GraphicsPipelineStateDesc& pipelineStateDesc);
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void BlitFramebuffer(CFramebuffer* destinationFramebuffer, CFramebuffer* sourceFramebuffer);
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void ClearFramebuffer();
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void ClearFramebuffer(const bool color, const bool depth, const bool stencil);
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void SetFramebuffer(CFramebuffer* framebuffer);
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void UploadTexture(CTexture* texture, const Format dataFormat,
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const void* data, const size_t dataSize,
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const uint32_t level = 0, const uint32_t layer = 0);
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void UploadTextureRegion(CTexture* texture, const Format dataFormat,
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const void* data, const size_t dataSize,
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const uint32_t xOffset, const uint32_t yOffset,
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const uint32_t width, const uint32_t height,
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const uint32_t level = 0, const uint32_t layer = 0);
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// TODO: maybe we should add a more common type, like CRectI.
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struct ScissorRect
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{
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int32_t x, y;
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int32_t width, height;
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};
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void SetScissors(const uint32_t scissorCount, const ScissorRect* scissors);
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void Flush();
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private:
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friend class CDevice;
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static std::unique_ptr<CDeviceCommandContext> Create(CDevice* device);
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CDeviceCommandContext(CDevice* device);
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void ResetStates();
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void SetGraphicsPipelineStateImpl(
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const GraphicsPipelineStateDesc& pipelineStateDesc, const bool force);
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CDevice* m_Device = nullptr;
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GraphicsPipelineStateDesc m_GraphicsPipelineStateDesc{};
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CFramebuffer* m_Framebuffer = nullptr;
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uint32_t m_ScissorCount = 0;
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// GL2.1 doesn't support more than 1 scissor.
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std::array<ScissorRect, 1> m_Scissors;
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};
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} // namespace GL
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} // namespace Backend
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} // namespace Renderer
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#endif // INCLUDED_RENDERER_GL_DEVICECOMMANDCONTEXT
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