port from perforce

2026-04-18 22:31:51 +02:00
commit 8d0ab5b7cc
8409 changed files with 3972376 additions and 0 deletions
--- a/hgplus/bliss/Engine/video.h
+++ b/hgplus/bliss/Engine/video.h
@@ -0,0 +1,110 @@
+#include <windows.h>
+#include <vfw.h>
+
+typedef struct
+{
+	PAVISTREAM         m_ps;
+	PAVISTREAM	       m_psCompressed;
+	AVISTREAMINFO      m_strhdr;
+	AVICOMPRESSOPTIONS m_opts;
+	PAVIFILE	       m_pfile;
+	BITMAPINFOHEADER   m_alpbi;
+} AVIWRITER;
+
+static AVIWRITER avi;
+static int frame;
+static unsigned char* vbuffer;
+static ID3D11Texture2D* vresolvedTexture;
+static ID3D11Texture2D* vstagingTexture;
+static D3D11_MAPPED_SUBRESOURCE vanalysisResource;
+static D3D11_TEXTURE2D_DESC vstagingDesc;
+extern ID3D11Texture2D* backBufferPtr;
+extern ID3D11Device* device;
+extern ID3D11DeviceContext* deviceContext;
+
+void InitVideo()
+{
+	frame = 0;
+
+	AVIFileInit();
+	if (AVIFileOpen(&avi.m_pfile, "out.avi", OF_WRITE | OF_CREATE, NULL) != 0)
+		return;
+
+	memset(&avi.m_strhdr, 0, sizeof(avi.m_strhdr));
+	avi.m_strhdr.fccType = streamtypeVIDEO;
+	avi.m_strhdr.fccHandler = 0;
+	avi.m_strhdr.dwScale = 1;
+	avi.m_strhdr.dwRate = 60;
+	avi.m_strhdr.dwSuggestedBufferSize = 3 * screenWidth * screenHeight;
+	SetRect(&avi.m_strhdr.rcFrame, 0, 0, screenWidth, screenHeight);
+
+	if (AVIFileCreateStream(avi.m_pfile, &avi.m_ps, &avi.m_strhdr) != 0)
+		return;
+
+	memset(&avi.m_opts, 0, sizeof(avi.m_opts));
+	avi.m_opts.fccType = streamtypeVIDEO;
+	//avi.m_opts.fccHandler = mmioFOURCC('d','i','v','x'); // divx
+	avi.m_opts.fccHandler = mmioFOURCC('x','2','6','4'); // huffman uv
+	//avi.m_opts.fccHandler = mmioFOURCC('D', 'I', 'B', ' '); // uncompressed frames
+	avi.m_opts.dwKeyFrameEvery = 1;
+	avi.m_opts.dwQuality = 100;
+	avi.m_opts.dwBytesPerSecond = 0;
+	avi.m_opts.dwFlags = AVICOMPRESSF_DATARATE | AVICOMPRESSF_KEYFRAMES;
+
+	if (AVIMakeCompressedStream(&avi.m_psCompressed, avi.m_ps, &avi.m_opts, NULL) != AVIERR_OK)
+		return;
+
+	memset(&avi.m_alpbi, 0, sizeof(avi.m_alpbi));
+	avi.m_alpbi.biSize = sizeof(avi.m_alpbi);
+	avi.m_alpbi.biWidth = screenWidth;
+	avi.m_alpbi.biHeight = screenHeight;
+	avi.m_alpbi.biPlanes = 1;
+	avi.m_alpbi.biBitCount = 24;
+	avi.m_alpbi.biCompression = BI_RGB;
+	if (AVIStreamSetFormat(avi.m_psCompressed, 0, &avi.m_alpbi, sizeof(avi.m_alpbi)) != 0)
+		return;
+
+	vbuffer = (unsigned char *)malloc(screenWidth*screenHeight * 3 + 1);
+	if (!vbuffer)
+		return;
+
+	backBufferPtr->GetDesc(&vstagingDesc);
+	vstagingDesc.Usage = D3D11_USAGE_DEFAULT;
+	vstagingDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
+	vstagingDesc.BindFlags = 0;
+	vstagingDesc.SampleDesc.Count = 1;
+	device->CreateTexture2D(&vstagingDesc, NULL, &vresolvedTexture);
+
+	vstagingDesc.Usage = D3D11_USAGE_STAGING;
+	vstagingDesc.CPUAccessFlags |= D3D11_CPU_ACCESS_READ;
+	device->CreateTexture2D(&vstagingDesc, NULL, &vstagingTexture);
+}
+
+void VideoFrame()
+{
+	deviceContext->ResolveSubresource(vresolvedTexture, 0, backBufferPtr, 0, vstagingDesc.Format);
+	deviceContext->CopyResource(vstagingTexture, vresolvedTexture);
+	deviceContext->Map(vstagingTexture, 0, D3D11_MAP_READ, 0, &vanalysisResource);
+	int* image = (int*)vanalysisResource.pData;
+	for (int y = 0; y < screenHeight; ++y)
+	for (int x = 0; x < screenWidth; ++x)
+	{
+		int pixel = image[screenWidth * y + x];
+		int* bufPtr = (int*)&vbuffer[(screenWidth * (screenHeight - y - 1) + x) * 3];
+		*bufPtr = ((pixel & 0x000000FF) << 16) | (pixel & 0x0000FF00) | ((pixel & 0x00FF0000) >> 16);
+	}
+	deviceContext->Unmap(stagingTexture, 0);
+	if (AVIStreamWrite(avi.m_psCompressed, frame++, 1, vbuffer, 3 * screenWidth * screenHeight, AVIIF_KEYFRAME, NULL, NULL) != 0)
+		throw;
+}
+
+void DoneVideo()
+{
+	free(vbuffer);
+
+	AVIStreamClose(avi.m_ps);
+	AVIStreamClose(avi.m_psCompressed);
+	AVIFileClose(avi.m_pfile);
+	AVIFileExit();
+}
+