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Merged fix for bug #457 from SDL 1.2

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--HG--
extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/trunk%402545
This commit is contained in:
Sam Lantinga 2007-07-15 21:54:16 +00:00
parent e2898c73af
commit 304c4a50b8
1 changed files with 21 additions and 8 deletions
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29
src/SDL_compat.c
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@ -1399,6 +1399,11 @@ SDL_LockYUVOverlay(SDL_Overlay * overlay)
{
void *pixels;
int pitch;
if (!overlay) {
SDL_SetError("Passed a NULL overlay");
return -1;
}
if (SDL_LockTexture(overlay->hwdata->textureID, NULL, 1, &pixels, &pitch)
< 0) {
return -1;
@ -1424,12 +1429,19 @@ SDL_LockYUVOverlay(SDL_Overlay * overlay)
void
SDL_UnlockYUVOverlay(SDL_Overlay * overlay)
{
if (!overlay) {
return;
}
SDL_UnlockTexture(overlay->hwdata->textureID);
}
int
SDL_DisplayYUVOverlay(SDL_Overlay * overlay, SDL_Rect * dstrect)
{
if (!overlay || !dstrect) {
SDL_SetError("Passed a NULL overlay or dstrect");
return -1;
}
if (SDL_RenderCopy(overlay->hwdata->textureID, NULL, dstrect) < 0) {
return -1;
}
@ -1440,15 +1452,16 @@ SDL_DisplayYUVOverlay(SDL_Overlay * overlay, SDL_Rect * dstrect)
void
SDL_FreeYUVOverlay(SDL_Overlay * overlay)
{
if (overlay) {
if (overlay->hwdata) {
if (overlay->hwdata->textureID) {
SDL_DestroyTexture(overlay->hwdata->textureID);
}
SDL_free(overlay->hwdata);
}
SDL_free(overlay);
if (!overlay) {
return;
}
if (overlay->hwdata) {
if (overlay->hwdata->textureID) {
SDL_DestroyTexture(overlay->hwdata->textureID);
}
SDL_free(overlay->hwdata);
}
SDL_free(overlay);
}
void