void CRendererVTB::ReleaseBuffer(int idx)
{
YUVBUFFER &buf = m_buffers[idx];
if (buf.videoBuffer)
{
VTB::CVideoBufferVTB *vb = dynamic_cast<VTB::CVideoBufferVTB*>(buf.videoBuffer);
if (vb)
{
if (vb->m_fence && glIsFenceAPPLE(vb->m_fence))
{
glDeleteFencesAPPLE(1, &vb->m_fence);
vb->m_fence = 0;
}
}
vb->Release();
buf.videoBuffer = nullptr;
}
}
bool CRendererVTB::UploadTexture(int index)
{
CRenderBuffer &renderBuf = m_vtbBuffers[index];
YUVBUFFER &buf = m_buffers[index];
YUVPLANE (&planes)[YuvImage::MAX_PLANES] = m_buffers[index].fields[0];
YuvImage &im = m_buffers[index].image;
VTB::CVideoBufferVTB *vb = dynamic_cast<VTB::CVideoBufferVTB*>(buf.videoBuffer);
if (!vb)
{
return false;
}
CVOpenGLESTextureCacheFlush(m_textureCache, 0);
if (renderBuf.m_textureY)
CFRelease(renderBuf.m_textureY);
renderBuf.m_textureY = nullptr;
if (renderBuf.m_textureUV)
CFRelease(renderBuf.m_textureUV);
renderBuf.m_textureUV = nullptr;
CVReturn ret;
ret = CVOpenGLESTextureCacheCreateTextureFromImage(kCFAllocatorDefault,
m_textureCache,
vb->GetPB(), nullptr, GL_TEXTURE_2D, GL_LUMINANCE,
im.width, im.height, GL_LUMINANCE, GL_UNSIGNED_BYTE,
0,
&renderBuf.m_textureY);
if (ret != kCVReturnSuccess)
{
CLog::Log(LOGERROR, "CRendererVTB::UploadTexture - Error uploading texture Y (err: %d)", ret);
return false;
}
ret = CVOpenGLESTextureCacheCreateTextureFromImage(kCFAllocatorDefault,
m_textureCache,
vb->GetPB(), nullptr, GL_TEXTURE_2D, GL_LUMINANCE_ALPHA,
im.width/2, im.height/2, GL_LUMINANCE_ALPHA, GL_UNSIGNED_BYTE,
1,
&renderBuf.m_textureUV);
if (ret != kCVReturnSuccess)
{
CLog::Log(LOGERROR, "CRendererVTB::UploadTexture - Error uploading texture UV (err: %d)", ret);
return false;
}
// set textures
planes[0].id = CVOpenGLESTextureGetName(renderBuf.m_textureY);
planes[1].id = CVOpenGLESTextureGetName(renderBuf.m_textureUV);
planes[2].id = CVOpenGLESTextureGetName(renderBuf.m_textureUV);
glEnable(m_textureTarget);
for (int p=0; p<2; p++)
{
glBindTexture(m_textureTarget, planes[p].id);
glTexParameteri(m_textureTarget, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(m_textureTarget, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(m_textureTarget, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(m_textureTarget, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glBindTexture(m_textureTarget, 0);
VerifyGLState();
}
CalculateTextureSourceRects(index, 3);
return true;
}
bool CRendererVTB::UploadTexture(int index)
{
YUVBUFFER &buf = m_buffers[index];
YUVPLANE (&planes)[YuvImage::MAX_PLANES] = m_buffers[index].fields[0];
VTB::CVideoBufferVTB *vb = dynamic_cast<VTB::CVideoBufferVTB*>(buf.videoBuffer);
if (!vb)
{
return false;
}
CVImageBufferRef cvBufferRef = vb->GetPB();
glEnable(m_textureTarget);
// It is the fastest way to render a CVPixelBuffer backed
// with an IOSurface as there is no CPU -> GPU upload.
CGLContextObj cgl_ctx = (CGLContextObj)g_Windowing.GetCGLContextObj();
IOSurfaceRef surface = CVPixelBufferGetIOSurface(cvBufferRef);
OSType format_type = IOSurfaceGetPixelFormat(surface);
if (format_type != kCVPixelFormatType_420YpCbCr8BiPlanarVideoRange)
{
return false;
}
GLsizei surfplanes = IOSurfaceGetPlaneCount(surface);
if (surfplanes != 2)
{
return false;
}
GLsizei widthY = IOSurfaceGetWidthOfPlane(surface, 0);
GLsizei widthUV = IOSurfaceGetWidthOfPlane(surface, 1);
GLsizei heightY = IOSurfaceGetHeightOfPlane(surface, 0);
GLsizei heightUV = IOSurfaceGetHeightOfPlane(surface, 1);
glBindTexture(m_textureTarget, planes[0].id);
CGLTexImageIOSurface2D(cgl_ctx, m_textureTarget, GL_LUMINANCE,
widthY, heightY, GL_LUMINANCE, GL_UNSIGNED_BYTE, surface, 0);
glTexParameteri(m_textureTarget, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(m_textureTarget, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(m_textureTarget, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(m_textureTarget, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glBindTexture(m_textureTarget, planes[1].id);
CGLTexImageIOSurface2D(cgl_ctx, m_textureTarget, GL_LUMINANCE_ALPHA,
widthUV, heightUV, GL_LUMINANCE_ALPHA, GL_UNSIGNED_BYTE, surface, 1);
glTexParameteri(m_textureTarget, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(m_textureTarget, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(m_textureTarget, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(m_textureTarget, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glBindTexture(m_textureTarget, 0);
glDisable(m_textureTarget);
CalculateTextureSourceRects(index, 3);
return true;
}