static void
X11_UnlockTexture(SDL_Renderer * renderer, SDL_Texture * texture)
{
X11_TextureData *data = (X11_TextureData *) texture->driverdata;
if (data->yuv) {
SDL_SW_UnlockYUVTexture(data->yuv);
UpdateYUVTextureData(texture);
}
}
static void
D3D_UnlockTexture(SDL_Renderer * renderer, SDL_Texture * texture)
{
D3D_TextureData *data = (D3D_TextureData *) texture->driverdata;
if (data->yuv) {
SDL_SW_UnlockYUVTexture(data->yuv);
UpdateYUVTextureData(texture);
} else {
IDirect3DTexture9_UnlockRect(data->texture, 0);
}
}
static int
X11_UpdateTexture(SDL_Renderer * renderer, SDL_Texture * texture,
const SDL_Rect * rect, const void *pixels, int pitch)
{
X11_TextureData *data = (X11_TextureData *) texture->driverdata;
if (data->yuv) {
if (SDL_SW_UpdateYUVTexture(data->yuv, rect, pixels, pitch) < 0) {
return -1;
}
UpdateYUVTextureData(texture);
return 0;
} else {
X11_RenderData *renderdata = (X11_RenderData *) renderer->driverdata;
if (data->pixels) {
Uint8 *src, *dst;
int row;
size_t length;
src = (Uint8 *) pixels;
dst =
(Uint8 *) data->pixels + rect->y * data->pitch +
rect->x * SDL_BYTESPERPIXEL(texture->format);
length = rect->w * SDL_BYTESPERPIXEL(texture->format);
for (row = 0; row < rect->h; ++row) {
SDL_memcpy(dst, src, length);
src += pitch;
dst += data->pitch;
}
} else {
data->image->width = rect->w;
data->image->height = rect->h;
data->image->data = (char *) pixels;
data->image->bytes_per_line = pitch;
XPutImage(renderdata->display, data->pixmap, renderdata->gc,
data->image, 0, 0, rect->x, rect->y, rect->w, rect->h);
}
return 0;
}
}
static int
D3D_UpdateTexture(SDL_Renderer * renderer, SDL_Texture * texture,
const SDL_Rect * rect, const void *pixels, int pitch)
{
D3D_TextureData *data = (D3D_TextureData *) texture->driverdata;
D3D_RenderData *renderdata = (D3D_RenderData *) renderer->driverdata;
if (data->yuv) {
if (SDL_SW_UpdateYUVTexture(data->yuv, rect, pixels, pitch) < 0) {
return -1;
}
UpdateYUVTextureData(texture);
return 0;
} else {
#ifdef SDL_MEMORY_POOL_DEFAULT
IDirect3DTexture9 *temp;
RECT d3drect;
D3DLOCKED_RECT locked;
const Uint8 *src;
Uint8 *dst;
int row, length;
HRESULT result;
result =
IDirect3DDevice9_CreateTexture(renderdata->device, texture->w,
texture->h, 1, 0,
PixelFormatToD3DFMT(texture->
format),
D3DPOOL_SYSTEMMEM, &temp, NULL);
if (FAILED(result)) {
D3D_SetError("CreateTexture()", result);
return -1;
}
d3drect.left = rect->x;
d3drect.right = rect->x + rect->w;
d3drect.top = rect->y;
d3drect.bottom = rect->y + rect->h;
result = IDirect3DTexture9_LockRect(temp, 0, &locked, &d3drect, 0);
if (FAILED(result)) {
IDirect3DTexture9_Release(temp);
D3D_SetError("LockRect()", result);
return -1;
}
src = pixels;
dst = locked.pBits;
length = rect->w * SDL_BYTESPERPIXEL(texture->format);
for (row = 0; row < rect->h; ++row) {
SDL_memcpy(dst, src, length);
src += pitch;
dst += locked.Pitch;
}
IDirect3DTexture9_UnlockRect(temp, 0);
result =
IDirect3DDevice9_UpdateTexture(renderdata->device,
(IDirect3DBaseTexture9 *) temp,
(IDirect3DBaseTexture9 *)
data->texture);
IDirect3DTexture9_Release(temp);
if (FAILED(result)) {
D3D_SetError("UpdateTexture()", result);
return -1;
}
#else
RECT d3drect;
D3DLOCKED_RECT locked;
const Uint8 *src;
Uint8 *dst;
int row, length;
HRESULT result;
d3drect.left = rect->x;
d3drect.right = rect->x + rect->w;
d3drect.top = rect->y;
d3drect.bottom = rect->y + rect->h;
result =
IDirect3DTexture9_LockRect(data->texture, 0, &locked, &d3drect,
0);
if (FAILED(result)) {
D3D_SetError("LockRect()", result);
return -1;
}
src = pixels;
dst = locked.pBits;
length = rect->w * SDL_BYTESPERPIXEL(texture->format);
for (row = 0; row < rect->h; ++row) {
SDL_memcpy(dst, src, length);
src += pitch;
dst += locked.Pitch;
}
IDirect3DTexture9_UnlockRect(data->texture, 0);
#endif // SDL_MEMORY_POOL_DEFAULT
return 0;
}
}
static int
GDI_UpdateTexture(SDL_Renderer * renderer, SDL_Texture * texture,
const SDL_Rect * rect, const void *pixels, int pitch)
{
GDI_TextureData *data = (GDI_TextureData *) texture->driverdata;
if (data->yuv) {
if (SDL_SW_UpdateYUVTexture(data->yuv, rect, pixels, pitch) < 0) {
return -1;
}
UpdateYUVTextureData(texture);
return 0;
} else {
GDI_RenderData *renderdata = (GDI_RenderData *) renderer->driverdata;
if (data->pixels) {
Uint8 *src, *dst;
int row;
size_t length;
src = (Uint8 *) pixels;
dst =
(Uint8 *) data->pixels + rect->y * data->pitch +
rect->x * SDL_BYTESPERPIXEL(texture->format);
length = rect->w * SDL_BYTESPERPIXEL(texture->format);
for (row = 0; row < rect->h; ++row) {
SDL_memcpy(dst, src, length);
src += pitch;
dst += data->pitch;
}
if (data->premultiplied) {
Uint32 *pixels =
(Uint32 *) data->pixels + rect->y * (data->pitch / 4) +
rect->x;
switch (texture->format) {
case SDL_PIXELFORMAT_ARGB8888:
SDL_PreMultiplyAlphaARGB8888(rect->w, rect->h, pixels,
data->pitch);
break;
case SDL_PIXELFORMAT_RGBA8888:
SDL_PreMultiplyAlphaRGBA8888(rect->w, rect->h, pixels,
data->pitch);
break;
case SDL_PIXELFORMAT_ABGR8888:
SDL_PreMultiplyAlphaABGR8888(rect->w, rect->h, pixels,
data->pitch);
break;
case SDL_PIXELFORMAT_BGRA8888:
SDL_PreMultiplyAlphaBGRA8888(rect->w, rect->h, pixels,
data->pitch);
break;
}
}
} else if (rect->w == texture->w && pitch == data->pitch) {
#ifndef NO_GETDIBBITS
if (!SetDIBits
(renderdata->window_hdc, data->hbm, rect->y, rect->h, pixels,
renderdata->bmi, DIB_RGB_COLORS)) {
WIN_SetError("SetDIBits()");
return -1;
}
#else
SDL_SetError("FIXME: Update Texture");
return -1;
#endif
} else {
SDL_SetError
("FIXME: Need to allocate temporary memory and do GetDIBits() followed by SetDIBits(), since we can only set blocks of scanlines at a time");
return -1;
}
return 0;
}
}
