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Implemented SDL_UpdateYUVTexture() for Direct3D

This commit is contained in:
Sam Lantinga 2013-09-28 14:06:55 -07:00
parent 17c9ff85e2
commit 89c31bb42a
2 changed files with 42 additions and 2 deletions
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4
src/render/SDL_render.c
View File

@ -901,7 +901,11 @@ int SDL_UpdateYUVTexture(SDL_Texture * texture, const SDL_Rect * rect,
SDL_assert(!texture->native);
renderer = texture->renderer;
SDL_assert(renderer->UpdateTextureYUV);
if (renderer->UpdateTextureYUV) {
return renderer->UpdateTextureYUV(renderer, texture, rect, Yplane, Ypitch, Uplane, Upitch, Vplane, Vpitch);
} else {
return SDL_Unsupported();
}
}
}

36
src/render/direct3d/SDL_render_d3d.c
View File

@ -211,6 +211,11 @@ static int D3D_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture);
static int D3D_UpdateTexture(SDL_Renderer * renderer, SDL_Texture * texture,
const SDL_Rect * rect, const void *pixels,
int pitch);
static int D3D_UpdateTextureYUV(SDL_Renderer * renderer, SDL_Texture * texture,
const SDL_Rect * rect,
const Uint8 *Yplane, int Ypitch,
const Uint8 *Uplane, int Upitch,
const Uint8 *Vplane, int Vpitch);
static int D3D_LockTexture(SDL_Renderer * renderer, SDL_Texture * texture,
const SDL_Rect * rect, void **pixels, int *pitch);
static void D3D_UnlockTexture(SDL_Renderer * renderer, SDL_Texture * texture);
@ -599,6 +604,7 @@ D3D_CreateRenderer(SDL_Window * window, Uint32 flags)
renderer->WindowEvent = D3D_WindowEvent;
renderer->CreateTexture = D3D_CreateTexture;
renderer->UpdateTexture = D3D_UpdateTexture;
renderer->UpdateTextureYUV = D3D_UpdateTextureYUV;
renderer->LockTexture = D3D_LockTexture;
renderer->UnlockTexture = D3D_UnlockTexture;
renderer->SetRenderTarget = D3D_SetRenderTarget;
@ -1016,6 +1022,36 @@ D3D_UpdateTexture(SDL_Renderer * renderer, SDL_Texture * texture,
return 0;
}
static int
D3D_UpdateTextureYUV(SDL_Renderer * renderer, SDL_Texture * texture,
const SDL_Rect * rect,
const Uint8 *Yplane, int Ypitch,
const Uint8 *Uplane, int Upitch,
const Uint8 *Vplane, int Vpitch)
{
D3D_TextureData *data = (D3D_TextureData *) texture->driverdata;
SDL_bool full_texture = SDL_FALSE;
#ifdef USE_DYNAMIC_TEXTURE
if (texture->access == SDL_TEXTUREACCESS_STREAMING &&
rect->x == 0 && rect->y == 0 &&
rect->w == texture->w && rect->h == texture->h) {
full_texture = SDL_TRUE;
}
#endif
if (D3D_UpdateTextureInternal(data->texture, texture->format, full_texture, rect->x, rect->y, rect->w, rect->h, Yplane, Ypitch) < 0) {
return -1;
}
if (D3D_UpdateTextureInternal(data->utexture, texture->format, full_texture, rect->x / 2, rect->y / 2, rect->w / 2, rect->h / 2, Uplane, Upitch) < 0) {
return -1;
}
if (D3D_UpdateTextureInternal(data->vtexture, texture->format, full_texture, rect->x / 2, rect->y / 2, rect->w / 2, rect->h / 2, Vplane, Vpitch) < 0) {
return -1;
}
return 0;
}
static int
D3D_LockTexture(SDL_Renderer * renderer, SDL_Texture * texture,
const SDL_Rect * rect, void **pixels, int *pitch)