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Diffstat (limited to '')
| -rw-r--r-- | src/libs/dxvk-native-1.9.2a/src/dxvk/hud/dxvk_hud_renderer.h | 182 |
1 files changed, 182 insertions, 0 deletions
diff --git a/src/libs/dxvk-native-1.9.2a/src/dxvk/hud/dxvk_hud_renderer.h b/src/libs/dxvk-native-1.9.2a/src/dxvk/hud/dxvk_hud_renderer.h new file mode 100644 index 00000000..c5b8e1da --- /dev/null +++ b/src/libs/dxvk-native-1.9.2a/src/dxvk/hud/dxvk_hud_renderer.h @@ -0,0 +1,182 @@ +#pragma once + +#include "../dxvk_device.h" + +#include "dxvk_hud_font.h" + +namespace dxvk::hud { + + /** + * \brief HUD coordinates + * + * Coordinates relative to the top-left + * corner of the swap image, in pixels. + */ + struct HudPos { + float x; + float y; + }; + + /** + * \brief Texture coordinates + * + * Absolute texture coordinates that are used + * to pick letters in the font texture. + */ + struct HudTexCoord { + uint32_t u; + uint32_t v; + }; + + /** + * \brief Color + * + * SRGB color with alpha channel. The text + * will use this color for the most part. + */ + struct HudColor { + float r; + float g; + float b; + float a; + }; + + /** + * \brief Normalized color + * SRGB color with alpha channel. + */ + struct HudNormColor { + uint8_t r; + uint8_t g; + uint8_t b; + uint8_t a; + }; + + /** + * \brief Text vertex and texture coordinates + */ + struct HudTextVertex { + HudPos position; + HudTexCoord texcoord; + }; + + /** + * \brief Line vertex and color + */ + struct HudLineVertex { + HudPos position; + HudNormColor color; + }; + + /** + * \brief Text renderer for the HUD + * + * Can be used by the presentation backend to + * display performance and driver information. + */ + class HudRenderer { + constexpr static uint32_t MaxTextVertexCount = 512 * 6; + constexpr static uint32_t MaxTextInstanceCount = 64; + constexpr static uint32_t MaxLineVertexCount = 1024; + + struct VertexBufferData { + HudColor textColors[MaxTextInstanceCount]; + HudTextVertex textVertices[MaxTextVertexCount]; + HudLineVertex lineVertices[MaxLineVertexCount]; + }; + public: + + HudRenderer( + const Rc<DxvkDevice>& device); + + ~HudRenderer(); + + void beginFrame( + const Rc<DxvkContext>& context, + VkExtent2D surfaceSize, + float scale); + + void drawText( + float size, + HudPos pos, + HudColor color, + const std::string& text); + + void drawLines( + size_t vertexCount, + const HudLineVertex* vertexData); + + VkExtent2D surfaceSize() const { + return m_surfaceSize; + } + + float scale() const { + return m_scale; + } + + private: + + enum class Mode { + RenderNone, + RenderText, + RenderLines, + }; + + struct ShaderPair { + Rc<DxvkShader> vert; + Rc<DxvkShader> frag; + }; + + std::array<uint8_t, 256> m_charMap; + + Mode m_mode; + float m_scale; + VkExtent2D m_surfaceSize; + Rc<DxvkContext> m_context; + + ShaderPair m_textShaders; + ShaderPair m_lineShaders; + + Rc<DxvkImage> m_fontImage; + Rc<DxvkImageView> m_fontView; + Rc<DxvkSampler> m_fontSampler; + + Rc<DxvkBuffer> m_vertexBuffer; + VertexBufferData* m_vertexData = nullptr; + + uint32_t m_currTextVertex = 0; + uint32_t m_currTextInstance = 0; + uint32_t m_currLineVertex = 0; + + void allocVertexBufferSlice(); + + void beginTextRendering(); + + void beginLineRendering(); + + ShaderPair createTextShaders( + const Rc<DxvkDevice>& device); + + ShaderPair createLineShaders( + const Rc<DxvkDevice>& device); + + Rc<DxvkImage> createFontImage( + const Rc<DxvkDevice>& device); + + Rc<DxvkImageView> createFontView( + const Rc<DxvkDevice>& device); + + Rc<DxvkSampler> createFontSampler( + const Rc<DxvkDevice>& device); + + Rc<DxvkBuffer> createVertexBuffer( + const Rc<DxvkDevice>& device); + + void initFontTexture( + const Rc<DxvkDevice>& device); + + void initCharMap(); + + }; + +}
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