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wined3d: Color keying emulation.

This commit is contained in:
Stefan Dösinger 2006-05-24 17:15:24 +02:00 committed by Alexandre Julliard
parent 5eeead1fd7
commit 93db443319
1 changed files with 60 additions and 36 deletions
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96
dlls/wined3d/device.c
View File

@ -3212,46 +3212,55 @@ HRESULT WINAPI IWineD3DDeviceImpl_SetRenderState(IWineD3DDevice *iface, D3DRENDE
break;
case WINED3DRS_ALPHATESTENABLE :
if (Value) {
glEnable(GL_ALPHA_TEST);
checkGLcall("glEnable GL_ALPHA_TEST");
} else {
glDisable(GL_ALPHA_TEST);
checkGLcall("glDisable GL_ALPHA_TEST");
}
break;
case WINED3DRS_ALPHAFUNC :
{
int glParm = GL_LESS;
float ref = ((float) This->stateBlock->renderState[WINED3DRS_ALPHAREF]) / 255.0f;
switch ((D3DCMPFUNC) Value) {
case D3DCMP_NEVER: glParm = GL_NEVER; break;
case D3DCMP_LESS: glParm = GL_LESS; break;
case D3DCMP_EQUAL: glParm = GL_EQUAL; break;
case D3DCMP_LESSEQUAL: glParm = GL_LEQUAL; break;
case D3DCMP_GREATER: glParm = GL_GREATER; break;
case D3DCMP_NOTEQUAL: glParm = GL_NOTEQUAL; break;
case D3DCMP_GREATEREQUAL: glParm = GL_GEQUAL; break;
case D3DCMP_ALWAYS: glParm = GL_ALWAYS; break;
default:
FIXME("Unrecognized/Unhandled D3DCMPFUNC value %ld\n", Value);
}
TRACE("glAlphaFunc with Parm=%x, ref=%f\n", glParm, ref);
glAlphaFunc(glParm, ref);
This->alphafunc = glParm;
checkGLcall("glAlphaFunc");
}
break;
case WINED3DRS_ALPHAREF :
case WINED3DRS_COLORKEYENABLE :
{
int glParm = This->alphafunc;
float ref = 1.0f;
int glParm = 0.0;
float ref = GL_LESS;
BOOL enable_ckey = FALSE;
ref = ((float) Value) / 255.0f;
TRACE("glAlphaFunc with Parm=%x, ref=%f\n", glParm, ref);
IWineD3DSurfaceImpl *surf;
/* Find out if the texture on the first stage has a ckey set */
if(This->stateBlock->textures[0]) {
surf = (IWineD3DSurfaceImpl *) ((IWineD3DTextureImpl *)This->stateBlock->textures[0])->surfaces[0];
if(surf->CKeyFlags & DDSD_CKSRCBLT) enable_ckey = TRUE;
}
if (This->stateBlock->renderState[WINED3DRS_ALPHATESTENABLE] ||
(This->stateBlock->renderState[WINED3DRS_COLORKEYENABLE] && enable_ckey)) {
glEnable(GL_ALPHA_TEST);
checkGLcall("glEnable GL_ALPHA_TEST");
} else {
glDisable(GL_ALPHA_TEST);
checkGLcall("glDisable GL_ALPHA_TEST");
/* Alpha test is disabled, don't bother setting the params - it will happen on the next
* enable call
*/
break;
}
if(This->stateBlock->renderState[WINED3DRS_COLORKEYENABLE] && enable_ckey) {
glParm = GL_NOTEQUAL;
ref = 0.0;
} else {
ref = ((float) This->stateBlock->renderState[WINED3DRS_ALPHAREF]) / 255.0f;
switch ((D3DCMPFUNC) This->stateBlock->renderState[WINED3DRS_ALPHAFUNC]) {
case D3DCMP_NEVER: glParm = GL_NEVER; break;
case D3DCMP_LESS: glParm = GL_LESS; break;
case D3DCMP_EQUAL: glParm = GL_EQUAL; break;
case D3DCMP_LESSEQUAL: glParm = GL_LEQUAL; break;
case D3DCMP_GREATER: glParm = GL_GREATER; break;
case D3DCMP_NOTEQUAL: glParm = GL_NOTEQUAL; break;
case D3DCMP_GREATEREQUAL: glParm = GL_GEQUAL; break;
case D3DCMP_ALWAYS: glParm = GL_ALWAYS; break;
default:
FIXME("Unrecognized/Unhandled D3DCMPFUNC value %ld\n", Value);
}
}
This->alphafunc = glParm;
glAlphaFunc(glParm, ref);
checkGLcall("glAlphaFunc");
}
@ -5231,6 +5240,21 @@ HRESULT WINAPI IWineD3DDeviceImpl_SetTexture(IWineD3DDevice *iface, DWORD Stage,
IWineD3DBaseTexture_Release(oldTexture);
}
/* Reset color keying */
if(Stage == 0 && This->stateBlock->renderState[WINED3DRS_COLORKEYENABLE]) {
BOOL enable_ckey = FALSE;
if(pTexture) {
IWineD3DSurfaceImpl *surf = (IWineD3DSurfaceImpl *) ((IWineD3DTextureImpl *)pTexture)->surfaces[0];
if(surf->CKeyFlags & DDSD_CKSRCBLT) enable_ckey = TRUE;
}
if(enable_ckey) {
glAlphaFunc(GL_NOTEQUAL, 0.0);
checkGLcall("glAlphaFunc");
}
}
return WINED3D_OK;
}