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Start abstracting the rendering backend away to make it easier to switch to GPU rendering later

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Andrew Kesterson
2026-05-24 21:59:29 -04:00
parent 8f613397d6
commit 6314ad7f26
13 changed files with 159 additions and 82 deletions
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25
include/akgl/renderer.h Normal file
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#ifndef _RENDERER_H_
#define _RENDERER_H_
#include <SDL3/SDL.h>
#include <akerror.h>
typedef struct akgl_RenderBackend {
SDL_Renderer *sdl_renderer;
akerr_ErrorContext AKERR_NOIGNORE *(*shutdown)(struct akgl_RenderBackend *self);
akerr_ErrorContext AKERR_NOIGNORE *(*frame_start)(struct akgl_RenderBackend *self);
akerr_ErrorContext AKERR_NOIGNORE *(*frame_end)(struct akgl_RenderBackend *self);
akerr_ErrorContext AKERR_NOIGNORE *(*draw_texture)(struct akgl_RenderBackend *self, SDL_Texture *texture, SDL_FRect *src, SDL_FRect *dest, double angle, SDL_FPoint *center, SDL_FlipMode flip);
akerr_ErrorContext AKERR_NOIGNORE *(*draw_mesh)(struct akgl_RenderBackend *self);
} akgl_RenderBackend;
akerr_ErrorContext AKERR_NOIGNORE *akgl_render_2d_shutdown(akgl_RenderBackend *self);
akerr_ErrorContext AKERR_NOIGNORE *akgl_render_2d_frame_start(akgl_RenderBackend *self);
akerr_ErrorContext AKERR_NOIGNORE *akgl_render_2d_frame_end(akgl_RenderBackend *self);
akerr_ErrorContext AKERR_NOIGNORE *akgl_render_2d_draw_texture(akgl_RenderBackend *self, SDL_Texture *texture, SDL_FRect *src, SDL_FRect *dest, double angle, SDL_FPoint *center, SDL_FlipMode flip);
akerr_ErrorContext AKERR_NOIGNORE *akgl_render_2d_draw_mesh(akgl_RenderBackend *self);
akerr_ErrorContext AKERR_NOIGNORE *akgl_render_init2d(akgl_RenderBackend *self);
#endif // _RENDERER_H_