36 lines
2.0 KiB
C
36 lines
2.0 KiB
C
// Released under the MIT licence.
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// See LICENCE.txt for details.
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#pragma once
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#include <stddef.h>
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typedef struct RenderBackend_Surface RenderBackend_Surface;
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typedef struct RenderBackend_GlyphAtlas RenderBackend_GlyphAtlas;
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typedef struct RenderBackend_Rect
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{
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long left;
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long top;
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long right;
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long bottom;
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} RenderBackend_Rect;
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RenderBackend_Surface* RenderBackend_Init(const char *window_title, size_t screen_width, size_t screen_height, bool fullscreen);
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void RenderBackend_Deinit(void);
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void RenderBackend_DrawScreen(void);
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RenderBackend_Surface* RenderBackend_CreateSurface(size_t width, size_t height, bool render_target);
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void RenderBackend_FreeSurface(RenderBackend_Surface *surface);
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bool RenderBackend_IsSurfaceLost(RenderBackend_Surface *surface);
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void RenderBackend_RestoreSurface(RenderBackend_Surface *surface);
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void RenderBackend_UploadSurface(RenderBackend_Surface *surface, const unsigned char *pixels, size_t width, size_t height);
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void RenderBackend_Blit(RenderBackend_Surface *source_surface, const RenderBackend_Rect *rect, RenderBackend_Surface *destination_surface, long x, long y, bool colour_key);
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void RenderBackend_ColourFill(RenderBackend_Surface *surface, const RenderBackend_Rect *rect, unsigned char red, unsigned char green, unsigned char blue);
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RenderBackend_GlyphAtlas* RenderBackend_CreateGlyphAtlas(size_t width, size_t height);
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void RenderBackend_DestroyGlyphAtlas(RenderBackend_GlyphAtlas *atlas);
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void RenderBackend_UploadGlyph(RenderBackend_GlyphAtlas *atlas, size_t x, size_t y, const unsigned char *pixels, size_t width, size_t height, size_t pitch);
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void RenderBackend_PrepareToDrawGlyphs(RenderBackend_GlyphAtlas *atlas, RenderBackend_Surface *destination_surface, unsigned char red, unsigned char green, unsigned char blue);
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void RenderBackend_DrawGlyph(long x, long y, size_t glyph_x, size_t glyph_y, size_t glyph_width, size_t glyph_height);
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void RenderBackend_HandleRenderTargetLoss(void);
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void RenderBackend_HandleWindowResize(size_t width, size_t height);
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