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wined3d: Catch nop SetTextureStageState calls.

This commit is contained in:
Stefan Dösinger 2006-12-19 23:12:26 +01:00 committed by Alexandre Julliard
parent 557b1fa477
commit 7f973c9375
1 changed files with 9 additions and 3 deletions
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12
dlls/wined3d/device.c
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@ -4355,7 +4355,7 @@ static void WINAPI IWineD3DDeviceImpl_ApplyTextureUnitState(IWineD3DDevice *ifac
*****/
static HRESULT WINAPI IWineD3DDeviceImpl_SetTextureStageState(IWineD3DDevice *iface, DWORD Stage, WINED3DTEXTURESTAGESTATETYPE Type, DWORD Value) {
IWineD3DDeviceImpl *This = (IWineD3DDeviceImpl *)iface;
DWORD oldColorOp = This->updateStateBlock->textureState[Stage][WINED3DTSS_COLOROP];
DWORD oldValue = This->updateStateBlock->textureState[Stage][Type];
/* FIXME: Handle 3d textures? What if TSS value set before set texture? Need to reapply all values? */
@ -4376,6 +4376,12 @@ static HRESULT WINAPI IWineD3DDeviceImpl_SetTextureStageState(IWineD3DDevice *if
return WINED3D_OK;
}
/* Checked after the assignments to allow proper stateblock recording */
if(oldValue == Value) {
TRACE("App is setting the old value over, nothing to do\n");
return WINED3D_OK;
}
if(Stage > This->stateBlock->lowest_disabled_stage &&
StateTable[STATE_TEXTURESTAGE(0, Type)].representative == STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP)) {
/* Colorop change above lowest disabled stage? That won't change anything in the gl setup
@ -4387,7 +4393,7 @@ static HRESULT WINAPI IWineD3DDeviceImpl_SetTextureStageState(IWineD3DDevice *if
if(Type == WINED3DTSS_COLOROP) {
int i;
if(Value == WINED3DTOP_DISABLE && oldColorOp != WINED3DTOP_DISABLE) {
if(Value == WINED3DTOP_DISABLE && oldValue != WINED3DTOP_DISABLE) {
/* Previously enabled stage disabled now. Make sure to dirtify all enabled stages above Stage,
* they have to be disabled
*
@ -4399,7 +4405,7 @@ static HRESULT WINAPI IWineD3DDeviceImpl_SetTextureStageState(IWineD3DDevice *if
}
This->stateBlock->lowest_disabled_stage = Stage;
TRACE("New lowest disabled: %d\n", Stage);
} else if(Value != WINED3DTOP_DISABLE && oldColorOp == WINED3DTOP_DISABLE) {
} else if(Value != WINED3DTOP_DISABLE && oldValue == WINED3DTOP_DISABLE) {
/* Previously disabled stage enabled. Stages above it may need enabling
* stage must be lowest_disabled_stage here, if it's bigger success is returned above,
* and stages below the lowest disabled stage can't be enabled(because they are enabled already).