SurfaceFormat
UploadSurfaceToTexture(GLContext* gl,
gfxASurface *aSurface,
const nsIntRegion& aDstRegion,
GLuint& aTexture,
bool aOverwrite,
const nsIntPoint& aSrcPoint,
bool aPixelBuffer,
GLenum aTextureUnit,
GLenum aTextureTarget)
{
nsRefPtr<gfxImageSurface> imageSurface = aSurface->GetAsImageSurface();
unsigned char* data = nullptr;
if (!imageSurface ||
(imageSurface->Format() != gfxImageFormatARGB32 &&
imageSurface->Format() != gfxImageFormatRGB24 &&
imageSurface->Format() != gfxImageFormatRGB16_565 &&
imageSurface->Format() != gfxImageFormatA8)) {
// We can't get suitable pixel data for the surface, make a copy
nsIntRect bounds = aDstRegion.GetBounds();
imageSurface =
new gfxImageSurface(gfxIntSize(bounds.width, bounds.height),
gfxImageFormatARGB32);
nsRefPtr<gfxContext> context = new gfxContext(imageSurface);
context->Translate(-gfxPoint(aSrcPoint.x, aSrcPoint.y));
context->SetSource(aSurface);
context->Paint();
data = imageSurface->Data();
NS_ASSERTION(!aPixelBuffer,
"Must be using an image compatible surface with pixel buffers!");
} else {
// If a pixel buffer is bound the data pointer parameter is relative
// to the start of the data block.
if (!aPixelBuffer) {
data = imageSurface->Data();
}
data += DataOffset(aSrcPoint, imageSurface->Stride(),
imageSurface->Format());
}
MOZ_ASSERT(imageSurface);
imageSurface->Flush();
return UploadImageDataToTexture(gl,
data,
imageSurface->Stride(),
imageSurface->Format(),
aDstRegion, aTexture, aOverwrite,
aPixelBuffer, aTextureUnit, aTextureTarget);
}
SurfaceFormat
UploadSurfaceToTexture(GLContext* gl,
DataSourceSurface *aSurface,
const nsIntRegion& aDstRegion,
GLuint& aTexture,
bool aOverwrite,
const nsIntPoint& aSrcPoint,
bool aPixelBuffer,
GLenum aTextureUnit,
GLenum aTextureTarget)
{
unsigned char* data = aPixelBuffer ? nullptr : aSurface->GetData();
int32_t stride = aSurface->Stride();
SurfaceFormat format = aSurface->GetFormat();
data += DataOffset(aSrcPoint, stride, format);
return UploadImageDataToTexture(gl, data, stride, format,
aDstRegion, aTexture, aOverwrite,
aPixelBuffer, aTextureUnit,
aTextureTarget);
}
SurfaceFormat
UploadSurfaceToTexture(GLContext* gl,
DataSourceSurface* aSurface,
const nsIntRegion& aDstRegion,
GLuint aTexture,
const gfx::IntSize& aSize,
size_t* aOutUploadSize,
bool aNeedInit,
const gfx::IntPoint& aSrcPoint,
GLenum aTextureUnit,
GLenum aTextureTarget)
{
int32_t stride = aSurface->Stride();
SurfaceFormat format = aSurface->GetFormat();
unsigned char* data = aSurface->GetData() +
DataOffset(aSrcPoint, stride, format);
return UploadImageDataToTexture(gl, data, stride, format,
aDstRegion, aTexture, aSize,
aOutUploadSize, aNeedInit,
aTextureUnit, aTextureTarget);
}
