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

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This commit is contained in:
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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28
src/util.c
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@@ -202,17 +202,9 @@ akerr_ErrorContext *akgl_render_and_compare(SDL_Texture *t1, SDL_Texture *t2, in
FAIL_ZERO_BREAK(errctx, t2, AKERR_NULLPOINTER, "NULL texture");
CATCH(errctx, akgl_heap_next_string(&tmpstring));
SDL_RenderClear(renderer);
FAIL_ZERO_BREAK(
errctx,
SDL_RenderTexture(
renderer,
t1,
&src,
&dest),
AKGL_ERR_SDL,
"Failed to render test texture");
s1 = SDL_RenderReadPixels(renderer, &read);
SDL_RenderClear(renderer.sdl_renderer);
CATCH(errctx, renderer.draw_texture(&renderer, t1, &src, &dest, 0, NULL, SDL_FLIP_NONE));
s1 = SDL_RenderReadPixels(renderer.sdl_renderer, &read);
FAIL_ZERO_BREAK(errctx, s1, AKGL_ERR_SDL, "Failed to read pixels from renderer");
if ( writeout != NULL ) {
@@ -226,18 +218,10 @@ akerr_ErrorContext *akgl_render_and_compare(SDL_Texture *t1, SDL_Texture *t2, in
SDL_GetError());
}
SDL_RenderClear(renderer);
SDL_RenderClear(renderer.sdl_renderer);
FAIL_ZERO_BREAK(
errctx,
SDL_RenderTexture(
renderer,
t2,
&src,
&dest),
AKGL_ERR_SDL,
"Failed to render test texture");
s2 = SDL_RenderReadPixels(renderer, &read);
CATCH(errctx, renderer.draw_texture(&renderer, t1, &src, &dest, 0, NULL, SDL_FLIP_NONE));
s2 = SDL_RenderReadPixels(renderer.sdl_renderer, &read);
FAIL_ZERO_BREAK(errctx, s2, AKGL_ERR_SDL, "Failed to read pixels from renderer");
CATCH(errctx, akgl_compare_sdl_surfaces(s1, s2));