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Save and restore SDL renderer state after transforming triangles to rect

This commit is contained in:
Sylvain 2021-04-01 12:43:39 +02:00 committed by Sylvain Becker
parent cd0663e053
commit 4ba3763897
1 changed files with 13 additions and 2 deletions
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15
src/render/SDL_render.c
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@ -3427,6 +3427,12 @@ SDL_SW_RenderGeometryRaw(SDL_Renderer *renderer,
const int debug = 0;
int prev[3]; /* Previous triangle vertex indices */
int texw = 0, texh = 0;
SDL_BlendMode blendMode;
Uint8 r, g, b, a;
/* Save */
SDL_GetRenderDrawBlendMode(renderer, &blendMode);
SDL_GetRenderDrawColor(renderer, &r, &g, &b, &a);
if (texture) {
SDL_QueryTexture(texture, NULL, NULL, &texw, &texh);
@ -3646,7 +3652,7 @@ SDL_SW_RenderGeometryRaw(SDL_Renderer *renderer,
xy, xy_stride, color, color_stride, uv, uv_stride,
num_vertices, prev, 3, 4, renderer->scale.x, renderer->scale.y);
if (retval < 0) {
return retval;
goto end;
} else {
FlushRenderCommandsIfNotBatching(renderer);
}
@ -3667,12 +3673,17 @@ SDL_SW_RenderGeometryRaw(SDL_Renderer *renderer,
xy, xy_stride, color, color_stride, uv, uv_stride,
num_vertices, prev, 3, 4, renderer->scale.x, renderer->scale.y);
if (retval < 0) {
return retval;
goto end;
} else {
FlushRenderCommandsIfNotBatching(renderer);
}
}
end:
/* Restore */
SDL_SetRenderDrawBlendMode(renderer, blendMode);
SDL_SetRenderDrawColor(renderer, r, g, b, a);
return retval;
}