glBufferUtils: Use the state cache when switching the vertex format.

Author: CrossVR

src/Layers/xrRenderGL/glBufferUtils.cpp

@@ -141,14 +141,14 @@ GLsizei GetDeclVertexSize(const D3DVERTEXELEMENT9* decl)
 	return size;
 }
 
-void ConvertVertexDeclaration(const D3DVERTEXELEMENT9* decl, GLuint vao)
+void ConvertVertexDeclaration(const D3DVERTEXELEMENT9* dxdecl, SDeclaration* decl)
 {
-	CHK_GL(glBindVertexArray(vao));
+	RCache.set_Format(decl);
 
-	GLsizei stride = GetDeclVertexSize(decl);
+	GLsizei stride = GetDeclVertexSize(dxdecl);
 	for (int i = 0; i < MAXD3DDECLLENGTH; ++i)
 	{
-		const D3DVERTEXELEMENT9		&desc = decl[i];
+		const D3DVERTEXELEMENT9		&desc = dxdecl[i];
 
 		if (desc.Stream == 0xFF)
 			break;
@@ -203,9 +203,9 @@ GLsizei GetFVFVertexSize(u32 FVF)
 	return offset;
 }
 
-void ConvertVertexDeclaration(u32 FVF, GLuint vao)
+void ConvertVertexDeclaration(u32 FVF, SDeclaration* decl)
 {
-	CHK_GL(glBindVertexArray(vao));
+	RCache.set_Format(decl);
 
 	GLsizei stride = GetFVFVertexSize(FVF);
 	u32 offset = 0;

src/Layers/xrRenderGL/glBufferUtils.h

@@ -9,8 +9,8 @@ namespace glBufferUtils
 	GLsizei GetFVFVertexSize(u32 FVF);
 	GLsizei GetDeclVertexSize(const D3DVERTEXELEMENT9* decl);
 	u32		GetDeclLength(const D3DVERTEXELEMENT9* decl);
-	void	ConvertVertexDeclaration(u32 FVF, GLuint vao);
-	void	ConvertVertexDeclaration(const D3DVERTEXELEMENT9* decl, GLuint vao);
+	void	ConvertVertexDeclaration(u32 FVF, SDeclaration* decl);
+	void	ConvertVertexDeclaration(const D3DVERTEXELEMENT9* dxdecl, SDeclaration* decl);
 };
 
 #endif // USE_OGL

src/Layers/xrRenderPC_GL/glResourceManager_Resources.cpp

@@ -121,7 +121,7 @@ SDeclaration*	CResourceManager::_CreateDecl	(u32 FVF)
 	glGenVertexArrays(1, &D->dcl);
 
 	D->FVF = FVF;
-	glBufferUtils::ConvertVertexDeclaration(FVF, D->dcl);
+	glBufferUtils::ConvertVertexDeclaration(FVF, D);
 	D->dwFlags |= xr_resource_flagged::RF_REGISTERED;
 	v_declarations.push_back(D);
 
@@ -143,7 +143,7 @@ SDeclaration*	CResourceManager::_CreateDecl(D3DVERTEXELEMENT9* dcl)
 	D->FVF = 0;
 	u32 dcl_size = glBufferUtils::GetDeclLength(dcl) + 1;
 	D->dcl_code.assign(dcl, dcl + dcl_size);
-	glBufferUtils::ConvertVertexDeclaration(dcl, D->dcl);
+	glBufferUtils::ConvertVertexDeclaration(dcl, D);
 	D->dwFlags |= xr_resource_flagged::RF_REGISTERED;
 	v_declarations.push_back(D);