source/renderer/backend/dummy/Device.h

   1 /* Copyright (C) 2023 Wildfire Games.
   2  * This file is part of 0 A.D.
   3  *
   4  * 0 A.D. is free software: you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation, either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * 0 A.D. is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with 0 A.D.  If not, see <http://www.gnu.org/licenses/>.
  16  */
  17
  18 #ifndef INCLUDED_RENDERER_BACKEND_DUMMY_DEVICE
  19 #define INCLUDED_RENDERER_BACKEND_DUMMY_DEVICE
  20
  21 #include "renderer/backend/dummy/DeviceForward.h"
  22 #include "renderer/backend/IDevice.h"
  23
  24 #include <memory>
  25 #include <string>
  26 #include <vector>
  27
  28 class CShaderDefines;
  29
  30 namespace Renderer
  31 {
  32
  33 namespace Backend
  34 {
  35
  36 namespace Dummy
  37 {
  38
  39 class CDeviceCommandContext;
  40
  41 class CDevice : public IDevice
  42 {
  43 public:
  44         CDevice();
  45         ~CDevice() override;
  46
  47         Backend GetBackend() const override { return Backend::DUMMY; }
  48
  49         const std::string& GetName() const override { return m_Name; }
  50         const std::string& GetVersion() const override { return m_Version; }
  51         const std::string& GetDriverInformation() const override { return m_DriverInformation; }
  52         const std::vector<std::string>& GetExtensions() const override { return m_Extensions; }
  53
  54         void Report(const ScriptRequest& rq, JS::HandleValue settings) override;
  55
  56         std::unique_ptr<IDeviceCommandContext> CreateCommandContext() override;
  57
  58         std::unique_ptr<IGraphicsPipelineState> CreateGraphicsPipelineState(
  59                 const SGraphicsPipelineStateDesc& pipelineStateDesc) override;
  60
  61         std::unique_ptr<IVertexInputLayout> CreateVertexInputLayout(
  62                 const PS::span<const SVertexAttributeFormat> attributes) override;
  63
  64         std::unique_ptr<ITexture> CreateTexture(
  65                 const char* name, const ITexture::Type type, const uint32_t usage,
  66                 const Format format, const uint32_t width, const uint32_t height,
  67                 const Sampler::Desc& defaultSamplerDesc, const uint32_t MIPLevelCount, const uint32_t sampleCount) override;
  68
  69         std::unique_ptr<ITexture> CreateTexture2D(
  70                 const char* name, const uint32_t usage,
  71                 const Format format, const uint32_t width, const uint32_t height,
  72                 const Sampler::Desc& defaultSamplerDesc, const uint32_t MIPLevelCount = 1, const uint32_t sampleCount = 1) override;
  73
  74         std::unique_ptr<IFramebuffer> CreateFramebuffer(
  75                 const char* name, SColorAttachment* colorAttachment,
  76                 SDepthStencilAttachment* depthStencilAttachment) override;
  77
  78         std::unique_ptr<IBuffer> CreateBuffer(
  79                 const char* name, const IBuffer::Type type, const uint32_t size, const bool dynamic) override;
  80
  81         std::unique_ptr<IShaderProgram> CreateShaderProgram(
  82                 const CStr& name, const CShaderDefines& defines) override;
  83
  84         bool AcquireNextBackbuffer() override;
  85
  86         IFramebuffer* GetCurrentBackbuffer(
  87                 const AttachmentLoadOp, const AttachmentStoreOp,
  88                 const AttachmentLoadOp, const AttachmentStoreOp) override;
  89
  90         void Present() override;
  91
  92         void OnWindowResize(const uint32_t width, const uint32_t height) override;
  93
  94         bool IsTextureFormatSupported(const Format format) const override;
  95
  96         bool IsFramebufferFormatSupported(const Format format) const override;
  97
  98         Format GetPreferredDepthStencilFormat(
  99                 const uint32_t usage, const bool depth, const bool stencil) const override;
 100
 101         const Capabilities& GetCapabilities() const override { return m_Capabilities; }
 102
 103 protected:
 104
 105         std::string m_Name;
 106         std::string m_Version;
 107         std::string m_DriverInformation;
 108         std::vector<std::string> m_Extensions;
 109
 110         std::unique_ptr<IFramebuffer> m_Backbuffer;
 111
 112         Capabilities m_Capabilities{};
 113 };
 114
 115 } // namespace Dummy
 116
 117 } // namespace Backend
 118
 119 } // namespace Renderer
 120
 121 #endif // INCLUDED_RENDERER_BACKEND_DUMMY_DEVICE