123

2023-08-07 19:29:24 +08:00
commit 34d6c5d489
4832 changed files with 1389451 additions and 0 deletions
--- a/CryAnimation/RenderUtils.cpp
+++ b/CryAnimation/RenderUtils.cpp
@@ -0,0 +1,117 @@
+#include "stdafx.h"
+//#include "CryAnimation.h"
+#include "CVars.h"
+#include "RenderUtils.h"
+
+
+// copies the vertex info to the videomemory, given the source (vertices and UVs),
+// target format and pointer to the videobuffer
+void CopyPosUVsToVideomemory (
+	const Vec3* pSrcPos,     // Source UVs, in its own indexation (needs to unreference with the pVertMap)
+	const CryUV* pDstUV,      // UVs, in the destimation indexation (no need to unreference)
+	unsigned numVerts,        // number of Target vertices
+	const unsigned *pVertMap, // vertex map from Target to Source vertex indices
+	Vec3* pDstPos,						// destination vertex buffer (always has vertices as the first element)
+	int nDstVertexFormat      // the vertex format of the pDstPos vertex buffer
+	)
+{
+	DEFINE_PROFILER_FUNCTION();
+	if (nDstVertexFormat == VERTEX_FORMAT_P3F_TEX2F && pDstUV)
+	{
+		// should be the primary vertex format for characters
+#if 0//DO_ASM
+		// OPTIMIZATION NOTE: the assembly version runs ~7-10% faster in release mode
+		_asm
+		{
+			mov ESI, pVertMap
+			mov EDI, pDstPos
+			mov ECX, numVerts
+			mov EDX, pDstUV
+			// start copying
+			copy_loop:
+			
+			// pDst[0..2] = pSrc[pVertMap][0..2] 
+			mov EBX, pSrcPos
+			mov EAX, [ESI]  // EAX = pVertMap[sn]
+			add EAX, EAX
+			add EAX, EAX    // EAX = pVertMap[sn]*4
+			add EBX, EAX
+			add EAX, EAX    // EBX = EAX*3
+			add EBX, EAX    // EBX = &pSrcPos[pVertMap[sn]] = pVertMap[sn]*12
+			
+			// [EDI][0..2] = [EBX][0..2]
+			mov EAX, [EBX]
+			mov [EDI], EAX
+			mov EAX, [EBX+4]
+			mov [EDI+4], EAX
+			mov EAX, [EBX+8]
+			mov [EDI+8], EAX
+
+			mov EAX, [EDX]
+			mov [EDI+12], EAX
+			mov EAX, [EDX+4]
+			mov [EDI+16], EAX
+
+			// pDst[3..4] = pDstUV[0..2]
+
+			add ESI, 4
+			add EDI, 20
+			add EDX, 8
+			loop copy_loop
+		}
+
+#else
+		struct_VERTEX_FORMAT_P3F_TEX2F *pDst = (struct_VERTEX_FORMAT_P3F_TEX2F*)pDstPos;
+		for (unsigned sn = 0; sn < numVerts; ++sn, ++pDst)
+		{
+			unsigned i = pVertMap[sn];
+      pDst->xyz = pSrcPos[i];
+			*(CryUV*)(&pDst->st[0]) = *(pDstUV++);
+		}
+#endif
+	}
+	else
+	{
+		unsigned nStride = m_VertexSize[nDstVertexFormat];
+		for(unsigned sn = 0;sn < numVerts; ++sn, ((byte*&)pDstPos) += nStride)
+		{
+			unsigned i = pVertMap[sn];
+			*pDstPos = pSrcPos[i];
+		}
+	}
+}
+
+// copies the vertex info to the videomemory, given the source (vertices and UVs),
+// target format and pointer to the videobuffer
+void CopyPosUVsToVideomemory (
+	const Vec3* pSrcPos,     // Source UVs, in its own indexation (needs to unreference with the pVertMap)
+	const CryUV* pDstUV,      // UVs, in the destimation indexation (no need to unreference)
+	unsigned numVerts,        // number of Target vertices
+	Vec3* pDstPos,						// destination vertex buffer (always has vertices as the first element)
+	int nDstVertexFormat      // the vertex format of the pDstPos vertex buffer
+	)
+{
+	if (nDstVertexFormat == VERTEX_FORMAT_P3F_TEX2F && pDstUV)
+	{
+		// should be the primary vertex format for characters
+		struct_VERTEX_FORMAT_P3F_TEX2F *pDst = (struct_VERTEX_FORMAT_P3F_TEX2F*)pDstPos;
+		for (unsigned sn = 0; sn < numVerts; ++sn, ++pDst)
+		{
+      pDst->xyz = *(pSrcPos++);
+			*(CryUV*)(&pDst->st[0]) = *(pDstUV++);
+		}
+	}
+	else
+	{
+		unsigned nStride = m_VertexSize[nDstVertexFormat];
+		for(unsigned sn = 0;sn < numVerts; ++sn, ((byte*&)pDstPos) += nStride)
+		{
+			*pDstPos = *(pSrcPos++);
+		}
+	}
+}
+
+IShader* GetShaderFrontCull()
+{
+	return g_GetIRenderer()->EF_LoadShader("FrontCull", eSH_World, EF_SYSTEM);
+}