86 lines
2.3 KiB
C++
86 lines
2.3 KiB
C++
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#pragma once
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#include "RenderPass.h"
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#include "UI/RenderHierarchy.h"
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#include "Graphics/GraphicsResources.h"
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#include "Asset/FontAsset.h"
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namespace Seele
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{
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DECLARE_NAME_REF(Gfx, Texture2D)
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DECLARE_NAME_REF(Gfx, RenderTargetAttachment)
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DECLARE_NAME_REF(Gfx, StructuredBuffer)
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struct TextRender
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{
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std::string text;
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PFontAsset font;
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Vector4 textColor;
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Vector2 position;
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float scale;
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};
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struct TextPassData
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{
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Array<TextRender> texts;
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};
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class TextPass : public RenderPass<TextPassData>
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{
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public:
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TextPass(Gfx::PGraphics graphics, Gfx::PViewport viewport, Gfx::PRenderTargetAttachment renderTarget);
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virtual ~TextPass();
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virtual MainJob beginFrame() override;
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virtual MainJob render() override;
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virtual MainJob endFrame() override;
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virtual void publishOutputs() override;
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virtual void createRenderPass() override;
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private:
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struct GlyphData
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{
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Vector2 bearing;
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Vector2 size;
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};
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struct GlyphInstanceData
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{
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uint32 glyphIndex;
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Vector2 position;
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};
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struct FontData
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{
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Gfx::PStructuredBuffer structuredBuffer;
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Array<Gfx::PTexture> textures;
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Map<uint32, uint32> characterToGlyphIndex;
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// Logically this should be part of GlyphData,
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// but because GlyphData mirrors shader data and we need
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// the advance on the CPU, we need this in a separate structure
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Map<uint32, uint32> characterAdvance;
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};
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FontData& getFontData(PFontAsset font);
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Map<PFontAsset, FontData> fontData;
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struct TextResources
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{
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Gfx::PDescriptorSet descriptorSet;
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Gfx::PDescriptorSet textureArraySet;
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Gfx::PVertexBuffer vertexBuffer;
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float scale;
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};
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Array<TextResources> textResources;
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Gfx::PRenderTargetAttachment renderTarget;
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Gfx::PRenderTargetAttachment depthAttachment;
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Gfx::PTexture2D depthBuffer;
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Gfx::PDescriptorLayout descriptorLayout;
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Gfx::PDescriptorLayout textureArrayLayout;
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Gfx::PUniformBuffer projectionBuffer;
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Gfx::PSamplerState glyphSampler;
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Gfx::PVertexDeclaration declaration;
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Gfx::PVertexShader vertexShader;
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Gfx::PFragmentShader fragmentShader;
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Gfx::PPipelineLayout pipelineLayout;
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Gfx::PGraphicsPipeline pipeline;
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};
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DEFINE_REF(TextPass);
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} // namespace Seele
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