void CHdmvSub::Render(SubPicDesc& spd, REFERENCE_TIME rt, RECT& bbox)
{
bbox.left = LONG_MAX;
bbox.top = LONG_MAX;
bbox.right = 0;
bbox.bottom = 0;
POSITION pos = m_pObjects.GetHeadPosition();
while (pos) {
CompositionObject* pObject = m_pObjects.GetAt (pos);
if (pObject && rt >= pObject->m_rtStart && rt < pObject->m_rtStop) {
if (pObject->GetRLEDataSize() && pObject->m_width > 0 && pObject->m_height > 0 &&
m_VideoDescriptor.nVideoWidth >= (pObject->m_horizontal_position + pObject->m_width) &&
m_VideoDescriptor.nVideoHeight >= (pObject->m_vertical_position + pObject->m_height)) {
if (g_bForcedSubtitle && !pObject->m_forced_on_flag) {
TRACE_HDMVSUB(_T("CHdmvSub::Render() : skip non forced subtitle - forced = %d, %I64d = %s"), pObject->m_forced_on_flag, rt, ReftimeToString(rt));
return;
}
if (!pObject->HavePalette() && m_DefaultCLUT.Palette) {
pObject->SetPalette(m_DefaultCLUT.pSize, m_DefaultCLUT.Palette, m_VideoDescriptor.nVideoWidth > 720);
}
if (!pObject->HavePalette()) {
TRACE_HDMVSUB(_T("CHdmvSub::Render() : The palette is missing - cancel rendering\n"));
return;
}
bbox.left = min(pObject->m_horizontal_position, bbox.left);
bbox.top = min(pObject->m_vertical_position, bbox.top);
bbox.right = max(pObject->m_horizontal_position + pObject->m_width, bbox.right);
bbox.bottom = max(pObject->m_vertical_position + pObject->m_height, bbox.bottom);
bbox.left = bbox.left > 0 ? bbox.left : 0;
bbox.top = bbox.top > 0 ? bbox.top : 0;
if (m_VideoDescriptor.nVideoWidth > spd.w) {
bbox.left = MulDiv(bbox.left, spd.w, m_VideoDescriptor.nVideoWidth);
bbox.right = MulDiv(bbox.right, spd.w, m_VideoDescriptor.nVideoWidth);
}
if (m_VideoDescriptor.nVideoHeight > spd.h) {
bbox.top = MulDiv(bbox.top, spd.h, m_VideoDescriptor.nVideoHeight);
bbox.bottom = MulDiv(bbox.bottom, spd.h, m_VideoDescriptor.nVideoHeight);
}
TRACE_HDMVSUB(_T("CHdmvSub::Render() : size = %ld, ObjRes = %dx%d, SPDRes = %dx%d, %I64d = %s\n"),
pObject->GetRLEDataSize(),
pObject->m_width, pObject->m_height, spd.w, spd.h,
rt, ReftimeToString(rt));
InitSpd(spd, m_VideoDescriptor.nVideoWidth, m_VideoDescriptor.nVideoHeight);
pObject->RenderHdmv(spd, m_bResizedRender ? &m_spd : NULL);
}
}
m_pObjects.GetNext(pos);
}
FinalizeRender(spd);
}
void CFXAPISample::Render ()
{
PrepareRender ();
static int frameNumber = 0;
frameNumber++;
deviceContext_->OMSetDepthStencilState (depthStencilState_.Get (), 0);
deviceContext_->VSSetShader (vertexShader_.Get (), nullptr, 0);
deviceContext_->PSSetShader (pixelShader_.Get (), nullptr, 0);
deviceContext_->IASetIndexBuffer (indexBuffer_.Get (), DXGI_FORMAT_R32_UINT, 0);
ID3D11Buffer* vertexBuffers[] = { vertexBuffer_.Get () };
UINT strides[] = { sizeof (Vertex) };
UINT offsets[] = { 0 };
deviceContext_->IASetVertexBuffers (0, 1, vertexBuffers, strides, offsets);
deviceContext_->IASetInputLayout (inputLayout_.Get ());
deviceContext_->IASetPrimitiveTopology (D3D11_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
/**
What happens here is:
* On every odd frame, render an increasingly red color into texture_
* In every frame, blit texture into the back buffer
*/
if (cfxEnabled_) {
// We're starting to use texture_, notify the API. Notice that we need
// to notify even if we don't actually write to it in this frame.
agsDriverExtensions_NotifyResourceBeginAllAccess (agsContext_, texture_.Get ());
}
if ((frameNumber & 1) == 1) {
const float clearColor[] = {
(frameNumber % 256) / 256.0f, 0.042f, 0.042f,
1
};
D3D11_VIEWPORT viewports[1];
viewports[0].Height = 1080;
viewports[0].Width = 1920;
viewports[0].MinDepth = 0;
viewports[0].MaxDepth = 1;
viewports[0].TopLeftX = 0;
viewports[0].TopLeftY = 0;
deviceContext_->RSSetViewports (1, viewports);
ID3D11ShaderResourceView* psSRVs[] = {
uploadTextureSRV_.Get ()
};
ID3D11RenderTargetView* renderTargetViews[] = {
textureRTV_.Get ()
};
deviceContext_->OMSetRenderTargets (1, renderTargetViews, nullptr);
deviceContext_->PSSetShaderResources (0, 1, psSRVs);
deviceContext_->UpdateSubresource (uploadTexture_.Get (),
0, nullptr, clearColor, sizeof (float) * 4, sizeof (float) * 4);
deviceContext_->DrawIndexed (6, 0, 0);
if (cfxEnabled_) {
// We're done with writes to texture_, notify the API so it can
// start copying
agsDriverExtensions_NotifyResourceEndWrites (agsContext_, texture_.Get (),
nullptr, nullptr, 0);
}
}
D3D11_VIEWPORT viewports[1];
viewports[0].Height = 1080;
viewports[0].Width = 1920;
viewports[0].MinDepth = 0;
viewports[0].MaxDepth = 1;
viewports[0].TopLeftX = 0;
viewports[0].TopLeftY = 0;
deviceContext_->RSSetViewports (1, viewports);
ID3D11RenderTargetView* renderTargetViews[] = {
renderTargetView_.Get ()
};
deviceContext_->OMSetRenderTargets (1, renderTargetViews, nullptr);
ID3D11ShaderResourceView* psSRVs[] = {
textureSRV_.Get ()
};
deviceContext_->PSSetShaderResources (0, 1, psSRVs);
deviceContext_->DrawIndexed (6, 0, 0);
if (cfxEnabled_) {
// We're done using texture_ for this frame, notify the API
agsDriverExtensions_NotifyResourceEndAllAccess (agsContext_, texture_.Get ());
}
ID3D11ShaderResourceView* psNullSRVs[] = {
nullptr
};
deviceContext_->PSSetShaderResources (0, 1, psNullSRVs);
FinalizeRender ();
}
