hi
this a first implementation of the (Get|Set)ClipPlane methods for d3d7. Its
inspired by the impl in the d3d8. many thanx to Lionel for helping me alot
with my first d3d patch.
ChangeLog: Implementation of (Get|Set)ClipPlane for d3d7
Licence : LGPL
CU!
Index: dlls/ddraw/d3d_private.h
===================================================================
RCS file: /home/wine/wine/dlls/ddraw/d3d_private.h,v
retrieving revision 1.25
diff -u -r1.25 d3d_private.h
--- dlls/ddraw/d3d_private.h 3 Jan 2003 21:08:50 -0000 1.25
+++ dlls/ddraw/d3d_private.h 5 Jan 2003 14:08:30 -0000
@@ -178,6 +178,12 @@
IDirect3DViewportImpl* vp);
};
+/* Internal structure to store the state of the clipping planes */
+typedef struct d3d7clippingplane
+{
+ D3DVALUE plane[4];
+} d3d7clippingplane;
+
/*****************************************************************************
* IDirect3DDevice implementation structure
*/
@@ -218,6 +224,10 @@
DWORD active_lights, set_lights;
D3DLIGHT7 light_parameters[MAX_LIGHTS];
+ /* clipping planes */
+ DWORD max_clipping_planes;
+ d3d7clippingplane *clipping_planes;
+
void (*set_context)(IDirect3DDeviceImpl*);
HRESULT (*clear)(IDirect3DDeviceImpl *This,
DWORD dwCount,
Index: dlls/ddraw/mesa.c
===================================================================
RCS file: /home/wine/wine/dlls/ddraw/mesa.c,v
retrieving revision 1.32
diff -u -r1.32 mesa.c
--- dlls/ddraw/mesa.c 5 Jan 2003 01:04:55 -0000 1.32
+++ dlls/ddraw/mesa.c 5 Jan 2003 14:08:34 -0000
@@ -455,8 +455,24 @@
break;
case D3DRENDERSTATE_CLIPPING: /* 136 */
- /* Nothing to do here... Even if what we receive is already clipped by the application,
- we cannot tell OpenGL to not re-clip it. */
+ case D3DRENDERSTATE_CLIPPLANEENABLE: /*152*/
+ {
+ GLint i;
+ DWORD mask, runner;
+
+ if (dwRenderStateType==D3DRENDERSTATE_CLIPPING) {
+ mask = ((dwRenderState)?(This->parent.state_block.render_state[D3DRENDERSTATE_CLIPPLANEENABLE-1]):(0x0000));
+ } else {
+ mask = dwRenderState;
+ }
+ for (i = 0, runner = 1; This->parent.max_clipping_planes; i++, runner = (runner<<1)) {
+ if (mask & runner) {
+ glEnable(GL_CLIP_PLANE0 + i);
+ } else {
+ glDisable(GL_CLIP_PLANE0 + i);
+ }
+ }
+ }
break;
case D3DRENDERSTATE_LIGHTING: /* 137 */
Index: dlls/ddraw/d3ddevice/main.c
===================================================================
RCS file: /home/wine/wine/dlls/ddraw/d3ddevice/main.c,v
retrieving revision 1.32
diff -u -r1.32 main.c
--- dlls/ddraw/d3ddevice/main.c 3 Jan 2003 22:32:30 -0000 1.32
+++ dlls/ddraw/d3ddevice/main.c 5 Jan 2003 14:08:44 -0000
@@ -875,14 +875,20 @@
return DD_OK;
}
-HRESULT WINAPI
-Main_IDirect3DDeviceImpl_7_GetClipPlane(LPDIRECT3DDEVICE7 iface,
- DWORD dwIndex,
- D3DVALUE* pPlaneEquation)
+HRESULT WINAPI
+Main_IDirect3DDeviceImpl_7_GetClipPlane(LPDIRECT3DDEVICE7 iface, DWORD Index, D3DVALUE* pPlaneEquation)
{
- ICOM_THIS_FROM(IDirect3DDeviceImpl, IDirect3DDevice7, iface);
- FIXME("(%p/%p)->(%08lx,%p): stub!\n", This, iface, dwIndex, pPlaneEquation);
- return DD_OK;
+ ICOM_THIS(IDirect3DDeviceImpl,iface);
+
+ TRACE("(%p)->(%ld,%p)\n", This, Index, pPlaneEquation);
+
+ if (Index>=This->max_clipping_planes) {
+ return DDERR_INVALIDPARAMS;
+ }
+
+ memcpy( pPlaneEquation, This->clipping_planes[Index].plane, sizeof(D3DVALUE[4]));
+
+ return D3D_OK;
}
HRESULT WINAPI
Index: dlls/ddraw/d3ddevice/main.h
===================================================================
RCS file: /home/wine/wine/dlls/ddraw/d3ddevice/main.h,v
retrieving revision 1.6
diff -u -r1.6 main.h
--- dlls/ddraw/d3ddevice/main.h 3 Jan 2003 21:08:50 -0000 1.6
+++ dlls/ddraw/d3ddevice/main.h 5 Jan 2003 14:08:46 -0000
@@ -264,11 +264,6 @@
BOOL* pbEnable);
HRESULT WINAPI
-Main_IDirect3DDeviceImpl_7_SetClipPlane(LPDIRECT3DDEVICE7 iface,
- DWORD dwIndex,
- D3DVALUE* pPlaneEquation);
-
-HRESULT WINAPI
Main_IDirect3DDeviceImpl_7_GetClipPlane(LPDIRECT3DDEVICE7 iface,
DWORD dwIndex,
D3DVALUE* pPlaneEquation);
Index: dlls/ddraw/d3ddevice/mesa.c
===================================================================
RCS file: /home/wine/wine/dlls/ddraw/d3ddevice/mesa.c,v
retrieving revision 1.77
diff -u -r1.77 mesa.c
--- dlls/ddraw/d3ddevice/mesa.c 5 Jan 2003 01:04:55 -0000 1.77
+++ dlls/ddraw/d3ddevice/mesa.c 5 Jan 2003 14:08:52 -0000
@@ -328,6 +328,7 @@
ENTER_GL();
glXDestroyContext(glThis->display, glThis->gl_context);
LEAVE_GL();
+ HeapFree(GetProcessHeap(), 0, This->clipping_planes);
HeapFree(GetProcessHeap(), 0, This);
return 0;
@@ -1590,6 +1591,32 @@
return DD_OK;
}
+HRESULT WINAPI
+GL_IDirect3DDeviceImpl_7_SetClipPlane(LPDIRECT3DDEVICE7 iface, DWORD Index, CONST D3DVALUE* pPlaneEquation)
+{
+ ICOM_THIS(IDirect3DDeviceImpl,iface);
+ GLdouble plane[4];
+
+ TRACE("(%p)->(%ld,%p)\n", This, Index, pPlaneEquation);
+
+ if (Index>=This->max_clipping_planes) {
+ return DDERR_INVALIDPARAMS;
+ }
+
+ TRACE(" clip plane %ld : %f %f %f %f\n", Index, pPlaneEquation[0], pPlaneEquation[1], pPlaneEquation[2], pPlaneEquation[3] );
+
+ memcpy( This->clipping_planes[Index].plane, pPlaneEquation, sizeof(D3DVALUE[4]));
+ plane[0] = pPlaneEquation[0];
+ plane[1] = pPlaneEquation[1];
+ plane[2] = pPlaneEquation[2];
+ plane[3] = pPlaneEquation[3];
+
+ /* XXX: is here also code needed to handle the transformation of the world? */
+ glClipPlane( GL_CLIP_PLANE0+Index, (const GLdouble*)(&plane) );
+
+ return D3D_OK;
+}
+
#if !defined(__STRICT_ANSI__) && defined(__GNUC__)
# define XCAST(fun) (typeof(VTABLE_IDirect3DDevice7.fun))
#else
@@ -1645,7 +1672,7 @@
XCAST(Load) Main_IDirect3DDeviceImpl_7_Load,
XCAST(LightEnable) GL_IDirect3DDeviceImpl_7_LightEnable,
XCAST(GetLightEnable) Main_IDirect3DDeviceImpl_7_GetLightEnable,
- XCAST(SetClipPlane) Main_IDirect3DDeviceImpl_7_SetClipPlane,
+ XCAST(SetClipPlane) GL_IDirect3DDeviceImpl_7_SetClipPlane,
XCAST(GetClipPlane) Main_IDirect3DDeviceImpl_7_GetClipPlane,
XCAST(GetInfo) Main_IDirect3DDeviceImpl_7_GetInfo,
};
@@ -2130,6 +2157,13 @@
memcpy(object->view_mat , id_mat, 16 * sizeof(float));
memcpy(object->proj_mat , id_mat, 16 * sizeof(float));
+ /* allocate the clipping planes */
+ glGetIntegerv(GL_MAX_CLIP_PLANES,(GLint*)(&object->max_clipping_planes));
+ if (object->max_clipping_planes>32) {
+ object->max_clipping_planes=32;
+ }
+ object->clipping_planes = (d3d7clippingplane*)HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, object->max_clipping_planes * sizeof(d3d7clippingplane));
+
/* Initialisation */
TRACE(" setting current context\n");
LEAVE_GL();
@@ -2166,3 +2200,4 @@
return DD_OK;
}
+
