diff options
Diffstat (limited to 'src/VBox/GuestHost/OpenGL/state_tracker/state_texdiff.c')
| -rw-r--r-- | src/VBox/GuestHost/OpenGL/state_tracker/state_texdiff.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/src/VBox/GuestHost/OpenGL/state_tracker/state_texdiff.c b/src/VBox/GuestHost/OpenGL/state_tracker/state_texdiff.c index 00adbfff..5ac9028a 100644 --- a/src/VBox/GuestHost/OpenGL/state_tracker/state_texdiff.c +++ b/src/VBox/GuestHost/OpenGL/state_tracker/state_texdiff.c @@ -603,6 +603,10 @@ crStateTextureObjectDiff(CRContext *fromCtx, CRTextureState *from = &(fromCtx->texture); glAble able[2]; int u = 0; /* always use texture unit 0 for diff'ing */ + GLuint hwid = crStateGetTextureObjHWID(tobj); + + if (!hwid) + return; able[0] = diff_api.Disable; able[1] = diff_api.Enable; @@ -619,7 +623,7 @@ crStateTextureObjectDiff(CRContext *fromCtx, } #endif - diff_api.BindTexture(tobj->target, crStateGetTextureObjHWID(tobj)); + diff_api.BindTexture(tobj->target, hwid); if (alwaysDirty || CHECKDIRTY(tobj->paramsBit[u], bitID)) { @@ -1448,7 +1452,7 @@ crStateDiffAllTextureObjects( CRContext *g, CRbitvalue *bitID, GLboolean bForceU #endif /* restore bindings */ - diff_api.ActiveTextureARB(GL_TEXTURE0_ARB + origUnit); + /* first restore unit 0 bindings the unit 0 is active currently */ diff_api.BindTexture(GL_TEXTURE_1D, orig1D); diff_api.BindTexture(GL_TEXTURE_2D, orig2D); diff_api.BindTexture(GL_TEXTURE_3D, orig3D); @@ -1458,4 +1462,6 @@ crStateDiffAllTextureObjects( CRContext *g, CRbitvalue *bitID, GLboolean bForceU #ifdef CR_NV_texture_rectangle diff_api.BindTexture(GL_TEXTURE_RECTANGLE_NV, origRect); #endif + /* now restore the proper active unit */ + diff_api.ActiveTextureARB(GL_TEXTURE0_ARB + origUnit); } |