// Increments refcount on surface.
// caller must Release() the returned surface
gl::Error TextureStorage9_2D::getSurfaceLevel(GLenum target,
                                              int level,
                                              bool dirty,
                                              IDirect3DSurface9 **outSurface)
{
    ASSERT(target == GL_TEXTURE_2D);
    UNUSED_ASSERTION_VARIABLE(target);

    IDirect3DBaseTexture9 *baseTexture = NULL;
    gl::Error error = getBaseTexture(&baseTexture);
    if (error.isError())
    {
        return error;
    }

    IDirect3DTexture9 *texture = static_cast<IDirect3DTexture9*>(baseTexture);

    HRESULT result = texture->GetSurfaceLevel(level + mTopLevel, outSurface);

    ASSERT(SUCCEEDED(result));
    if (FAILED(result))
    {
        return gl::Error(GL_OUT_OF_MEMORY, "Failed to get the surface from a texture, result: 0x%X.", result);
    }

    // With managed textures the driver needs to be informed of updates to the lower mipmap levels
    if (level + mTopLevel != 0 && isManaged() && dirty)
    {
        texture->AddDirtyRect(NULL);
    }

    return gl::Error(GL_NO_ERROR);
}
Esempio n. 2
0
// Increments refcount on surface.
// caller must Release() the returned surface
angle::Result TextureStorage9_2D::getSurfaceLevel(const gl::Context *context,
                                                  gl::TextureTarget target,
                                                  int level,
                                                  bool dirty,
                                                  IDirect3DSurface9 **outSurface)
{
    ASSERT(target == gl::TextureTarget::_2D);

    IDirect3DBaseTexture9 *baseTexture = nullptr;
    ANGLE_TRY(getBaseTexture(context, &baseTexture));

    IDirect3DTexture9 *texture = static_cast<IDirect3DTexture9 *>(baseTexture);

    HRESULT result = texture->GetSurfaceLevel(level + mTopLevel, outSurface);
    ANGLE_TRY_HR(GetImplAs<Context9>(context), result, "Failed to get the surface from a texture");

    // With managed textures the driver needs to be informed of updates to the lower mipmap levels
    if (level + mTopLevel != 0 && isManaged() && dirty)
    {
        texture->AddDirtyRect(nullptr);
    }

    return angle::Result::Continue;
}