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Azurik 3D rendering fix (D3DDevice_LoadVertexShaderProgram)

This commit is contained in:
blueshogun96 2018-01-20 15:44:07 -08:00
parent 8bdc6ae6f9
commit 46259aeb02
1 changed files with 32 additions and 1 deletions
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33
src/CxbxKrnl/EmuD3D8.cpp
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@ -2742,6 +2742,8 @@ VOID WINAPI XTL::EMUPATCH(D3DDevice_SelectVertexShader)
LOG_FUNC_END;
HRESULT hRet;
g_CurrentVertexShader = Handle;
if(VshHandleIsVertexShader(Handle))
{
@ -8967,7 +8969,36 @@ VOID WINAPI XTL::EMUPATCH(D3DDevice_LoadVertexShaderProgram)
LOG_FUNC_ARG(Address)
LOG_FUNC_END;
LOG_UNIMPLEMENTED();
// NOTE: Azurik needs this to work, but this implementation makes
// Sonic Heroes (E3 Demo) run slower and look a bit worse. An investigation
// may be necessary...
#if 1
DWORD Handle = g_CurrentVertexShader;
// TODO: Cache vertex shaders? Azurik overwrites the same vertex shader
// slot over and over again with many different vertex shaders per frame...
if( VshHandleIsVertexShader(Handle) )
{
X_D3DVertexShader *pD3DVertexShader = (X_D3DVertexShader *)(Handle & 0x7FFFFFFF);
VERTEX_SHADER *pVertexShader = (VERTEX_SHADER *)pD3DVertexShader->Handle;
// Save the contents of the existing vertex shader program
DWORD* pDeclaration = (DWORD*) malloc( pVertexShader->DeclarationSize );
memmove( pDeclaration, pVertexShader->pDeclaration, pVertexShader->DeclarationSize );
// Delete the vertex shader
EMUPATCH(D3DDevice_DeleteVertexShader)(Handle);
// Re-create the vertex shader with the new code
HRESULT hr = EMUPATCH(D3DDevice_CreateVertexShader)( pDeclaration, pFunction, &Handle, 0 );
free(pDeclaration);
if( FAILED( hr ) )
CxbxKrnlCleanup( "Error re-creating vertex shader!" );
EMUPATCH(D3DDevice_LoadVertexShader)(Handle, Address);
EMUPATCH(D3DDevice_SelectVertexShader)(Handle, Address);
}
#endif
}
// ******************************************************************