static void
UpdateYUVTextureData(SDL_Texture * texture)
{
D3D_TextureData *data = (D3D_TextureData *) texture->driverdata;
SDL_Rect rect;
RECT d3drect;
D3DLOCKED_RECT locked;
HRESULT result;
d3drect.left = 0;
d3drect.right = texture->w;
d3drect.top = 0;
d3drect.bottom = texture->h;
result =
IDirect3DTexture9_LockRect(data->texture, 0, &locked, &d3drect, 0);
if (FAILED(result)) {
return;
}
rect.x = 0;
rect.y = 0;
rect.w = texture->w;
rect.h = texture->h;
SDL_SW_CopyYUVToRGB(data->yuv, &rect, data->format, texture->w,
texture->h, locked.pBits, locked.Pitch);
IDirect3DTexture9_UnlockRect(data->texture, 0);
}
static int
SDL_DUMMY_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
const SDL_Rect * srcrect, const SDL_Rect * dstrect)
{
SDL_DUMMY_RenderData *data =
(SDL_DUMMY_RenderData *) renderer->driverdata;
SDL_Window *window = renderer->window;
SDL_VideoDisplay *display = window->display;
if (SDL_ISPIXELFORMAT_FOURCC(texture->format)) {
SDL_Surface *target = data->screens[data->current_screen];
void *pixels =
(Uint8 *) target->pixels + dstrect->y * target->pitch +
dstrect->x * target->format->BytesPerPixel;
return SDL_SW_CopyYUVToRGB((SDL_SW_YUVTexture *) texture->driverdata,
srcrect, display->current_mode.format,
dstrect->w, dstrect->h, pixels,
target->pitch);
} else {
SDL_Surface *surface = (SDL_Surface *) texture->driverdata;
SDL_Surface *target = data->screens[data->current_screen];
SDL_Rect real_srcrect = *srcrect;
SDL_Rect real_dstrect = *dstrect;
return SDL_LowerBlit(surface, &real_srcrect, target, &real_dstrect);
}
}
static int
SDL_UpdateTextureYUV(SDL_Texture * texture, const SDL_Rect * rect,
const void *pixels, int pitch)
{
SDL_Texture *native = texture->native;
SDL_Rect full_rect;
if (SDL_SW_UpdateYUVTexture(texture->yuv, rect, pixels, pitch) < 0) {
return -1;
}
full_rect.x = 0;
full_rect.y = 0;
full_rect.w = texture->w;
full_rect.h = texture->h;
rect = &full_rect;
if (texture->access == SDL_TEXTUREACCESS_STREAMING) {
/* We can lock the texture and copy to it */
void *native_pixels;
int native_pitch;
if (SDL_LockTexture(native, rect, &native_pixels, &native_pitch) < 0) {
return -1;
}
SDL_SW_CopyYUVToRGB(texture->yuv, rect, native->format,
rect->w, rect->h, native_pixels, native_pitch);
SDL_UnlockTexture(native);
} else {
/* Use a temporary buffer for updating */
void *temp_pixels;
int temp_pitch;
temp_pitch = (((rect->w * SDL_BYTESPERPIXEL(native->format)) + 3) & ~3);
temp_pixels = SDL_malloc(rect->h * temp_pitch);
if (!temp_pixels) {
SDL_OutOfMemory();
return -1;
}
SDL_SW_CopyYUVToRGB(texture->yuv, rect, native->format,
rect->w, rect->h, temp_pixels, temp_pitch);
SDL_UpdateTexture(native, rect, temp_pixels, temp_pitch);
SDL_free(temp_pixels);
}
return 0;
}
static void
UpdateYUVTextureData(SDL_Texture * texture)
{
X11_TextureData *data = (X11_TextureData *) texture->driverdata;
SDL_Rect rect;
rect.x = 0;
rect.y = 0;
rect.w = texture->w;
rect.h = texture->h;
SDL_SW_CopyYUVToRGB(data->yuv, &rect, data->format, texture->w,
texture->h, data->pixels, data->pitch);
}
static int
SW_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
const SDL_Rect * srcrect, const SDL_Rect * dstrect)
{
SW_RenderData *data = (SW_RenderData *) renderer->driverdata;
//SDL_Window *window = SDL_GetWindowFromID(renderer->window);
int status;
if (data->renderer->info.flags & SDL_RENDERER_PRESENTCOPY) {
SDL_AddDirtyRect(&data->dirty, dstrect);
}
if (data->renderer->LockTexture(data->renderer,
data->texture[data->current_texture],
dstrect, 1, &data->surface.pixels,
&data->surface.pitch) < 0) {
return -1;
}
if (SDL_ISPIXELFORMAT_FOURCC(texture->format)) {
status =
SDL_SW_CopyYUVToRGB((SDL_SW_YUVTexture *) texture->driverdata,
srcrect, data->format, dstrect->w, dstrect->h,
data->surface.pixels, data->surface.pitch);
} else {
SDL_Surface *surface = (SDL_Surface *) texture->driverdata;
SDL_Rect real_srcrect = *srcrect;
SDL_Rect real_dstrect;
data->surface.w = dstrect->w;
data->surface.h = dstrect->h;
data->surface.clip_rect.w = dstrect->w;
data->surface.clip_rect.h = dstrect->h;
real_dstrect = data->surface.clip_rect;
status =
SDL_LowerBlit(surface, &real_srcrect, &data->surface,
&real_dstrect);
}
data->renderer->UnlockTexture(data->renderer,
data->texture[data->current_texture]);
return status;
}
static void
SDL_UnlockTextureYUV(SDL_Texture * texture)
{
SDL_Texture *native = texture->native;
void *native_pixels;
int native_pitch;
SDL_Rect rect;
rect.x = 0;
rect.y = 0;
rect.w = texture->w;
rect.h = texture->h;
if (SDL_LockTexture(native, &rect, &native_pixels, &native_pitch) < 0) {
return;
}
SDL_SW_CopyYUVToRGB(texture->yuv, &rect, native->format,
rect.w, rect.h, native_pixels, native_pitch);
SDL_UnlockTexture(native);
}
