50 lines
1.8 KiB
C++
50 lines
1.8 KiB
C++
#pragma once
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#include <RmlUi/Core/RenderInterface.h>
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class RenderInterface_GL2 : public Rml::RenderInterface {
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public:
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RenderInterface_GL2();
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// The viewport should be updated whenever the window size changes.
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void SetViewport(int viewport_width, int viewport_height);
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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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// Optional, can be used to clear the framebuffer.
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void Clear();
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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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void EnableClipMask(bool enable) override;
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void RenderToClipMask(Rml::ClipMaskOperation operation, Rml::CompiledGeometryHandle geometry, Rml::Vector2f translation) override;
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void SetTransform(const Rml::Matrix4f* transform) override;
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// Can be passed to RenderGeometry() to enable texture rendering without changing the bound texture.
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static const Rml::TextureHandle TextureEnableWithoutBinding = Rml::TextureHandle(-1);
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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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int viewport_width = 0;
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int viewport_height = 0;
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bool transform_enabled = false;
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};
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