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Cxbx-Reloaded
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Implement missing texture behaviour

This commit is contained in:
Anthony 2021-04-19 19:10:31 +12:00 committed by PatrickvL
parent 990a24292d
commit 5aaadd026c
1 changed files with 15 additions and 0 deletions
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15
src/core/hle/D3D8/XbPixelShader.cpp
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@ -774,6 +774,21 @@ IDirect3DPixelShader9* GetFixedFunctionShader()
bool forceDisable =
(!pointSpriteEnable && previousStageDisabled) ||
(pointSpriteEnable && i < 3);
// When a texture stage has D3DTSS_COLORARG1 equal to D3DTA_TEXTURE
// and the texture pointer for the stage is NULL, this stage
// and all stages after it are not processed.
// Test cases: Red Dead Revolver, JSRF
// https://docs.microsoft.com/en-us/windows/win32/direct3d9/texture-blending
// Don't follow the D3D9 docs if SELECTARG2 is in use (PC D3D9 behaviour, nvidia quirk?)
// Test case: Crash Nitro Kart (engine speed UI)
if (!g_pXbox_SetTexture[i]
&& XboxTextureStates.Get(i, xbox::X_D3DTSS_COLORARG1) == X_D3DTA_TEXTURE
&& XboxTextureStates.Get(i, xbox::X_D3DTSS_COLOROP) != xbox::X_D3DTOP_SELECTARG2)
{
forceDisable = true;
}
auto colorOp = XboxTextureStates.Get(i, xbox::X_D3DTSS_COLOROP);
states[i].COLOROP = forceDisable ? X_D3DTOP_DISABLE : colorOp;