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SDL_RenderReadPixels() now returns a surface

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Fixes https://github.com/libsdl-org/SDL/issues/8977
This commit is contained in:
Sam Lantinga
2024-02-03 10:18:12 -08:00
parent ab571633d1
commit 89b9d6cbdc
22 changed files with 216 additions and 310 deletions
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17
test/testcolorspace.c
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@@ -114,16 +114,27 @@ static void PrevStage(void)
static SDL_bool ReadPixel(int x, int y, SDL_Color *c)
{
SDL_Surface *surface;
SDL_Rect r;
SDL_bool result = SDL_FALSE;
r.x = x;
r.y = y;
r.w = 1;
r.h = 1;
if (SDL_RenderReadPixels(renderer, &r, SDL_PIXELFORMAT_RGBA32, c, sizeof(*c)) < 0) {
surface = SDL_RenderReadPixels(renderer, &r);
if (surface) {
if (SDL_ReadSurfacePixel(surface, 0, 0, &c->r, &c->g, &c->b, &c->a) == 0) {
result = SDL_TRUE;
} else {
SDL_Log("Couldn't read pixel: %s\n", SDL_GetError());
}
SDL_DestroySurface(surface);
} else {
SDL_Log("Couldn't read back pixels: %s\n", SDL_GetError());
return SDL_FALSE;
}
return SDL_TRUE;
return result;
}
static void DrawText(float x, float y, const char *fmt, ...)