Port glXCopyContext bug from 4.0 branch.

1 files changed, 63 insertions, 1 deletions

diff --git a/src/mesa/main/texstate.c b/src/mesa/main/texstate.c
index 2284499bf3d..8f4f3631ea7 100644
--- a/src/mesa/main/texstate.c
+++ b/src/mesa/main/texstate.c
@@ -1,4 +1,4 @@
-/* $Id: texstate.c,v 1.75 2002/06/15 03:03:09 brianp Exp $ */
+/* $Id: texstate.c,v 1.76 2002/06/17 23:36:31 brianp Exp $ */
 
 /*
  * Mesa 3-D graphics library
@@ -56,6 +56,68 @@
 
 
 
+void
+_mesa_copy_texture_state( const GLcontext *src, GLcontext *dst )
+{
+   GLuint i;
+
+   ASSERT(src);
+   ASSERT(dst);
+
+   dst->Texture.CurrentUnit = src->Texture.CurrentUnit;
+   dst->Texture._GenFlags = src->Texture._GenFlags;
+   dst->Texture._TexGenEnabled = src->Texture._TexGenEnabled;
+   dst->Texture._TexMatEnabled = src->Texture._TexMatEnabled;
+   dst->Texture.SharedPalette = src->Texture.SharedPalette;
+
+   /* per-unit state */
+   for (i = 0; i < src->Const.MaxTextureUnits; i++) {
+      dst->Texture.Unit[i].Enabled = src->Texture.Unit[i].Enabled;
+      dst->Texture.Unit[i].EnvMode = src->Texture.Unit[i].EnvMode;
+      COPY_4V(dst->Texture.Unit[i].EnvColor, src->Texture.Unit[i].EnvColor);
+      dst->Texture.Unit[i].TexGenEnabled = src->Texture.Unit[i].TexGenEnabled;
+      dst->Texture.Unit[i].GenModeS = src->Texture.Unit[i].GenModeS;
+      dst->Texture.Unit[i].GenModeT = src->Texture.Unit[i].GenModeT;
+      dst->Texture.Unit[i].GenModeR = src->Texture.Unit[i].GenModeR;
+      dst->Texture.Unit[i].GenModeQ = src->Texture.Unit[i].GenModeQ;
+      dst->Texture.Unit[i]._GenBitS = src->Texture.Unit[i]._GenBitS;
+      dst->Texture.Unit[i]._GenBitT = src->Texture.Unit[i]._GenBitT;
+      dst->Texture.Unit[i]._GenBitR = src->Texture.Unit[i]._GenBitR;
+      dst->Texture.Unit[i]._GenBitQ = src->Texture.Unit[i]._GenBitQ;
+      dst->Texture.Unit[i]._GenFlags = src->Texture.Unit[i]._GenFlags;
+      COPY_4V(dst->Texture.Unit[i].ObjectPlaneS, src->Texture.Unit[i].ObjectPlaneS);
+      COPY_4V(dst->Texture.Unit[i].ObjectPlaneT, src->Texture.Unit[i].ObjectPlaneT);
+      COPY_4V(dst->Texture.Unit[i].ObjectPlaneR, src->Texture.Unit[i].ObjectPlaneR);
+      COPY_4V(dst->Texture.Unit[i].ObjectPlaneQ, src->Texture.Unit[i].ObjectPlaneQ);
+      COPY_4V(dst->Texture.Unit[i].EyePlaneS, src->Texture.Unit[i].EyePlaneS);
+      COPY_4V(dst->Texture.Unit[i].EyePlaneT, src->Texture.Unit[i].EyePlaneT);
+      COPY_4V(dst->Texture.Unit[i].EyePlaneR, src->Texture.Unit[i].EyePlaneR);
+      COPY_4V(dst->Texture.Unit[i].EyePlaneQ, src->Texture.Unit[i].EyePlaneQ);
+      dst->Texture.Unit[i].LodBias = src->Texture.Unit[i].LodBias;
+
+      /* GL_EXT_texture_env_combine */
+      dst->Texture.Unit[i].CombineModeRGB = src->Texture.Unit[i].CombineModeRGB;
+      dst->Texture.Unit[i].CombineModeA = src->Texture.Unit[i].CombineModeA;
+      COPY_3V(dst->Texture.Unit[i].CombineSourceRGB, src->Texture.Unit[i].CombineSourceRGB);
+      COPY_3V(dst->Texture.Unit[i].CombineSourceA, src->Texture.Unit[i].CombineSourceA);
+      COPY_3V(dst->Texture.Unit[i].CombineOperandRGB, src->Texture.Unit[i].CombineOperandRGB);
+      COPY_3V(dst->Texture.Unit[i].CombineOperandA, src->Texture.Unit[i].CombineOperandA);
+      dst->Texture.Unit[i].CombineScaleShiftRGB = src->Texture.Unit[i].CombineScaleShiftRGB;
+      dst->Texture.Unit[i].CombineScaleShiftA = src->Texture.Unit[i].CombineScaleShiftA;
+
+      /* texture object state */
+      _mesa_copy_texture_object(dst->Texture.Unit[i].Current1D,
+                                src->Texture.Unit[i].Current1D);
+      _mesa_copy_texture_object(dst->Texture.Unit[i].Current2D,
+                                src->Texture.Unit[i].Current2D);
+      _mesa_copy_texture_object(dst->Texture.Unit[i].Current3D,
+                                src->Texture.Unit[i].Current3D);
+      _mesa_copy_texture_object(dst->Texture.Unit[i].CurrentCubeMap,
+                                src->Texture.Unit[i].CurrentCubeMap);
+   }
+}
+
+
 /**********************************************************************/
 /*                       Texture Environment                          */
 /**********************************************************************/