45 lines
1.5 KiB
C++
45 lines
1.5 KiB
C++
#pragma once
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#include <RmlUi/Core/RenderInterface.h>
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#if RMLUI_SDL_VERSION_MAJOR == 3
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#include <SDL3/SDL.h>
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#elif RMLUI_SDL_VERSION_MAJOR == 2
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#include <SDL.h>
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#else
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#error "Unspecified RMLUI_SDL_VERSION_MAJOR. Please set this definition to the major version of the SDL library being linked to."
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#endif
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class RenderInterface_SDL : public Rml::RenderInterface {
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public:
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RenderInterface_SDL(SDL_Renderer* renderer);
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// Sets up OpenGL states for taking rendering commands from RmlUi.
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void BeginFrame();
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void EndFrame();
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// -- Inherited from Rml::RenderInterface --
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Rml::CompiledGeometryHandle CompileGeometry(Rml::Span<const Rml::Vertex> vertices, Rml::Span<const int> indices) override;
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void ReleaseGeometry(Rml::CompiledGeometryHandle geometry) override;
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void RenderGeometry(Rml::CompiledGeometryHandle handle, Rml::Vector2f translation, Rml::TextureHandle texture) override;
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Rml::TextureHandle LoadTexture(Rml::Vector2i& texture_dimensions, const Rml::String& source) override;
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Rml::TextureHandle GenerateTexture(Rml::Span<const Rml::byte> source, Rml::Vector2i source_dimensions) override;
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void ReleaseTexture(Rml::TextureHandle texture_handle) override;
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void EnableScissorRegion(bool enable) override;
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void SetScissorRegion(Rml::Rectanglei region) override;
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private:
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struct GeometryView {
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Rml::Span<const Rml::Vertex> vertices;
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Rml::Span<const int> indices;
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};
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SDL_Renderer* renderer;
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SDL_BlendMode blend_mode = {};
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SDL_Rect rect_scissor = {};
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bool scissor_region_enabled = false;
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};
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