144 lines
4.4 KiB
C++
144 lines
4.4 KiB
C++
// Copyright 2023 Dolphin Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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#include "VideoBackends/Software/SWGfx.h"
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#include "Common/GL/GLContext.h"
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#include "VideoBackends/Software/EfbCopy.h"
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#include "VideoBackends/Software/Rasterizer.h"
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#include "VideoBackends/Software/SWOGLWindow.h"
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#include "VideoBackends/Software/SWTexture.h"
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#include "VideoCommon/AbstractPipeline.h"
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#include "VideoCommon/AbstractShader.h"
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#include "VideoCommon/AbstractTexture.h"
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#include "VideoCommon/NativeVertexFormat.h"
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#include "VideoCommon/Present.h"
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namespace SW
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{
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SWGfx::SWGfx(std::unique_ptr<SWOGLWindow> window) : m_window(std::move(window))
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{
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}
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SWGfx::~SWGfx() = default;
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bool SWGfx::IsHeadless() const
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{
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return m_window->IsHeadless();
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}
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bool SWGfx::SupportsUtilityDrawing() const
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{
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return false;
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}
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std::unique_ptr<AbstractTexture> SWGfx::CreateTexture(const TextureConfig& config,
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[[maybe_unused]] std::string_view name)
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{
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return std::make_unique<SWTexture>(config);
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}
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std::unique_ptr<AbstractStagingTexture> SWGfx::CreateStagingTexture(StagingTextureType type,
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const TextureConfig& config)
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{
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return std::make_unique<SWStagingTexture>(type, config);
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}
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std::unique_ptr<AbstractFramebuffer>
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SWGfx::CreateFramebuffer(AbstractTexture* color_attachment, AbstractTexture* depth_attachment,
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std::vector<AbstractTexture*> additional_color_attachments)
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{
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return SWFramebuffer::Create(static_cast<SWTexture*>(color_attachment),
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static_cast<SWTexture*>(depth_attachment),
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std::move(additional_color_attachments));
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}
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bool SWGfx::BindBackbuffer(const ClearColor& clear_color)
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{
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// Look for framebuffer resizes
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if (!g_presenter->SurfaceResizedTestAndClear())
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return true;
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GLContext* context = m_window->GetContext();
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context->Update();
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g_presenter->SetBackbuffer(context->GetBackBufferWidth(), context->GetBackBufferHeight());
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return true;
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}
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class SWShader final : public AbstractShader
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{
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public:
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explicit SWShader(ShaderStage stage) : AbstractShader(stage) {}
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~SWShader() = default;
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BinaryData GetBinary() const override { return {}; }
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};
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std::unique_ptr<AbstractShader>
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SWGfx::CreateShaderFromSource(ShaderStage stage, [[maybe_unused]] std::string_view source,
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[[maybe_unused]] std::string_view name)
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{
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return std::make_unique<SWShader>(stage);
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}
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std::unique_ptr<AbstractShader>
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SWGfx::CreateShaderFromBinary(ShaderStage stage, const void* data, size_t length,
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[[maybe_unused]] std::string_view name)
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{
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return std::make_unique<SWShader>(stage);
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}
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class SWPipeline final : public AbstractPipeline
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{
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public:
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SWPipeline() = default;
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~SWPipeline() override = default;
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};
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std::unique_ptr<AbstractPipeline> SWGfx::CreatePipeline(const AbstractPipelineConfig& config,
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const void* cache_data,
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size_t cache_data_length)
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{
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return std::make_unique<SWPipeline>();
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}
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// Called on the GPU thread
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void SWGfx::ShowImage(const AbstractTexture* source_texture,
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const MathUtil::Rectangle<int>& source_rc)
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{
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if (!IsHeadless())
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m_window->ShowImage(source_texture, source_rc);
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}
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void SWGfx::ClearRegion(const MathUtil::Rectangle<int>& target_rc, bool colorEnable,
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bool alphaEnable, bool zEnable, u32 color, u32 z)
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{
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EfbCopy::ClearEfb();
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}
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std::unique_ptr<NativeVertexFormat>
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SWGfx::CreateNativeVertexFormat(const PortableVertexDeclaration& vtx_decl)
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{
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return std::make_unique<NativeVertexFormat>(vtx_decl);
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}
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void SWGfx::SetScissorRect(const MathUtil::Rectangle<int>& rc)
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{
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// BPFunctions calls SetScissorRect with the "best" scissor rect whenever the viewport or scissor
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// changes. However, the software renderer is actually able to use multiple scissor rects (which
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// is necessary in a few renderering edge cases, such as with Major Minor's Majestic March).
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// Thus, we use this as a signal to update the list of scissor rects, but ignore the parameter.
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Rasterizer::ScissorChanged();
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}
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SurfaceInfo SWGfx::GetSurfaceInfo() const
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{
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GLContext* context = m_window->GetContext();
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return {std::max(context->GetBackBufferWidth(), 1u), std::max(context->GetBackBufferHeight(), 1u),
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1.0f, AbstractTextureFormat::RGBA8};
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}
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} // namespace SW
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