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Remove redundant work when render scale is 1.0

This commit is contained in:
Sam Lantinga 2022-01-08 09:32:23 -08:00
parent 2026a78dc2
commit 1694782b2a
1 changed files with 3 additions and 17 deletions
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20
src/render/SDL_render.c
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@ -2690,8 +2690,8 @@ SDL_RenderDrawPoints(SDL_Renderer * renderer,
return SDL_OutOfMemory(); return SDL_OutOfMemory();
} }
for (i = 0; i < count; ++i) { for (i = 0; i < count; ++i) {
fpoints[i].x = points[i].x * renderer->scale.x; fpoints[i].x = (float) points[i].x;
fpoints[i].y = points[i].y * renderer->scale.y; fpoints[i].y = (float) points[i].y;
} }
retval = QueueCmdDrawPoints(renderer, fpoints, count); retval = QueueCmdDrawPoints(renderer, fpoints, count);
@ -2734,10 +2734,7 @@ int
SDL_RenderDrawPointsF(SDL_Renderer * renderer, SDL_RenderDrawPointsF(SDL_Renderer * renderer,
const SDL_FPoint * points, int count) const SDL_FPoint * points, int count)
{ {
SDL_FPoint *fpoints;
int i;
int retval; int retval;
SDL_bool isstack;
CHECK_RENDERER_MAGIC(renderer, -1); CHECK_RENDERER_MAGIC(renderer, -1);
@ -2758,18 +2755,7 @@ SDL_RenderDrawPointsF(SDL_Renderer * renderer,
if (renderer->scale.x != 1.0f || renderer->scale.y != 1.0f) { if (renderer->scale.x != 1.0f || renderer->scale.y != 1.0f) {
retval = RenderDrawPointsWithRectsF(renderer, points, count); retval = RenderDrawPointsWithRectsF(renderer, points, count);
} else { } else {
fpoints = SDL_small_alloc(SDL_FPoint, count, &isstack); retval = QueueCmdDrawPoints(renderer, points, count);
if (!fpoints) {
return SDL_OutOfMemory();
}
for (i = 0; i < count; ++i) {
fpoints[i].x = points[i].x * renderer->scale.x;
fpoints[i].y = points[i].y * renderer->scale.y;
}
retval = QueueCmdDrawPoints(renderer, fpoints, count);
SDL_small_free(fpoints, isstack);
} }
return retval < 0 ? retval : FlushRenderCommandsIfNotBatching(renderer); return retval < 0 ? retval : FlushRenderCommandsIfNotBatching(renderer);
} }