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Add SDL_UpdateNVTexture for META (bug #5430)

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(not tested)
This commit is contained in:
Sylvain Becker 2021-01-05 12:29:43 +01:00
parent 73d93dbc38
commit c1eb9ecf99
1 changed files with 30 additions and 0 deletions
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30
src/render/metal/SDL_render_metal.m
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@ -835,6 +835,35 @@ METAL_UpdateTextureYUV(SDL_Renderer * renderer, SDL_Texture * texture,
return 0; return 0;
}} }}
static int
METAL_UpdateTextureNV(SDL_Renderer * renderer, SDL_Texture * texture,
const SDL_Rect * rect,
const Uint8 *Yplane, int Ypitch,
const Uint8 *UVplane, int UVpitch)
{ @autoreleasepool {
METAL_TextureData *texturedata = (__bridge METAL_TextureData *)texture->driverdata;
const int Uslice = 0;
const int Vslice = 1;
SDL_Rect UVrect = {rect->x / 2, rect->y / 2, (rect->w + 1) / 2, (rect->h + 1) / 2};
/* Bail out if we're supposed to update an empty rectangle */
if (rect->w <= 0 || rect->h <= 0) {
return 0;
}
if (METAL_UpdateTextureInternal(renderer, texturedata, texturedata.mtltexture, *rect, 0, Yplane, Ypitch) < 0) {
return -1;
}
if (METAL_UpdateTextureInternal(renderer, texturedata, texturedata.mtltexture_uv, UVrect, 0, UVplane, UVpitch) < 0) {
return -1;
}
texturedata.hasdata = YES;
return 0;
}}
static int static int
METAL_LockTexture(SDL_Renderer * renderer, SDL_Texture * texture, METAL_LockTexture(SDL_Renderer * renderer, SDL_Texture * texture,
const SDL_Rect * rect, void **pixels, int *pitch) const SDL_Rect * rect, void **pixels, int *pitch)
@ -1851,6 +1880,7 @@ METAL_CreateRenderer(SDL_Window * window, Uint32 flags)
renderer->CreateTexture = METAL_CreateTexture; renderer->CreateTexture = METAL_CreateTexture;
renderer->UpdateTexture = METAL_UpdateTexture; renderer->UpdateTexture = METAL_UpdateTexture;
renderer->UpdateTextureYUV = METAL_UpdateTextureYUV; renderer->UpdateTextureYUV = METAL_UpdateTextureYUV;
renderer->UpdateTextureNV = METAL_UpdateTextureNV;
renderer->LockTexture = METAL_LockTexture; renderer->LockTexture = METAL_LockTexture;
renderer->UnlockTexture = METAL_UnlockTexture; renderer->UnlockTexture = METAL_UnlockTexture;
renderer->SetTextureScaleMode = METAL_SetTextureScaleMode; renderer->SetTextureScaleMode = METAL_SetTextureScaleMode;