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add in High DPI support (aka Retina)

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- based on J?rgen's patch with a few bug fixes
This commit is contained in:
Edward Rudd 2013-09-20 13:43:00 -04:00
parent 0103bc0bff
commit 869a707612
12 changed files with 134 additions and 11 deletions
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11
src/render/SDL_render.c
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@ -117,7 +117,12 @@ SDL_RendererEventWatch(void *userdata, SDL_Event *event)
/* Window was resized, reset viewport */
int w, h;
SDL_GetWindowSize(window, &w, &h);
if (renderer->GetOutputSize) {
renderer->GetOutputSize(renderer, &w, &h);
} else {
SDL_GetWindowSize(renderer->window, &w, &h);
}
if (renderer->target) {
renderer->viewport_backup.x = 0;
renderer->viewport_backup.y = 0;
@ -335,11 +340,11 @@ SDL_GetRendererOutputSize(SDL_Renderer * renderer, int *w, int *h)
if (renderer->target) {
return SDL_QueryTexture(renderer->target, NULL, NULL, w, h);
} else if (renderer->GetOutputSize) {
return renderer->GetOutputSize(renderer, w, h);
} else if (renderer->window) {
SDL_GetWindowSize(renderer->window, w, h);
return 0;
} else if (renderer->GetOutputSize) {
return renderer->GetOutputSize(renderer, w, h);
} else {
/* This should never happen */
SDL_SetError("Renderer doesn't support querying output size");