more work on GL_ARB_texture_cube_map

src/mesa/drivers/osmesa/osmesa.c

@@ -1,4 +1,4 @@
-/* $Id: osmesa.c,v 1.16 2000/04/22 01:05:40 brianp Exp $ */
+/* $Id: osmesa.c,v 1.17 2000/05/26 14:44:59 brianp Exp $ */
 
 /*
  * Mesa 3-D graphics library
@@ -226,6 +226,7 @@ OSMesaCreateContext( GLenum format, OSMesaContext sharelist )
          return NULL;
       }
       gl_extensions_enable(&(osmesa->gl_ctx),"GL_HP_occlusion_test");
+      gl_extensions_enable(&(osmesa->gl_ctx), "GL_ARB_texture_cube_map");
 
       osmesa->gl_buffer = gl_create_framebuffer( osmesa->gl_visual,
                                            osmesa->gl_visual->DepthBits > 0,

src/mesa/main/context.c

@@ -1,4 +1,4 @@
-/* $Id: context.c,v 1.69 2000/05/24 15:04:45 brianp Exp $ */
+/* $Id: context.c,v 1.70 2000/05/26 14:44:59 brianp Exp $ */
 
 /*
  * Mesa 3-D graphics library
@@ -467,6 +467,14 @@ alloc_shared_state( void )
       ss->DefaultD[d]->RefCount++; /* don't free if not in use */
    }
 
+   ss->DefaultCubeMap = gl_alloc_texture_object(ss, 0, 6);
+   if (!ss->DefaultCubeMap) {
+      outOfMemory = GL_TRUE;
+   }
+   else {
+      ss->DefaultCubeMap->RefCount++;
+   }
+
    if (!ss->DisplayList || !ss->TexObjects || outOfMemory) {
       /* Ran out of memory at some point.  Free everything and return NULL */
       if (ss->DisplayList)
@@ -479,6 +487,8 @@ alloc_shared_state( void )
          gl_free_texture_object(ss, ss->DefaultD[2]);
       if (ss->DefaultD[3])
          gl_free_texture_object(ss, ss->DefaultD[3]);
+      if (ss->DefaultCubeMap)
+         gl_free_texture_object(ss, ss->DefaultCubeMap);
       FREE(ss);
       return NULL;
    }
@@ -603,6 +613,7 @@ init_texture_unit( GLcontext *ctx, GLuint unit )
    texUnit->CurrentD[1] = ctx->Shared->DefaultD[1];
    texUnit->CurrentD[2] = ctx->Shared->DefaultD[2];
    texUnit->CurrentD[3] = ctx->Shared->DefaultD[3];
+   texUnit->CurrentCubeMap = ctx->Shared->DefaultCubeMap;
 }
 
 
@@ -1835,7 +1846,7 @@ _mesa_get_dispatch(GLcontext *ctx)
 void gl_problem( const GLcontext *ctx, const char *s )
 {
    fprintf( stderr, "Mesa implementation error: %s\n", s );
-   fprintf( stderr, "Report to mesa-bugs@mesa3d.org\n" );
+   fprintf( stderr, "Report to Mesa bug database at www.mesa3d.org\n" );
    (void) ctx;
 }
 

src/mesa/main/state.c

@@ -1,4 +1,4 @@
-/* $Id: state.c,v 1.14 2000/05/24 15:04:45 brianp Exp $ */
+/* $Id: state.c,v 1.15 2000/05/26 14:44:59 brianp Exp $ */
 
 /*
  * Mesa 3-D graphics library
@@ -931,8 +931,7 @@ void gl_update_state( GLcontext *ctx )
       ctx->Enabled &= ~(ENABLE_TEXMAT0|ENABLE_TEXMAT1);
 
       for (i=0; i < MAX_TEXTURE_UNITS; i++) {
-	 if (ctx->TextureMatrix[i].flags & MAT_DIRTY_ALL_OVER)
-	 {
+	 if (ctx->TextureMatrix[i].flags & MAT_DIRTY_ALL_OVER) {
 	    gl_matrix_analyze( &ctx->TextureMatrix[i] );
 	    ctx->TextureMatrix[i].flags &= ~MAT_DIRTY_DEPENDENTS;
 
@@ -946,7 +945,7 @@ void gl_update_state( GLcontext *ctx )
    if (ctx->NewState & (NEW_TEXTURING | NEW_TEXTURE_ENABLE)) {
       ctx->Texture.NeedNormals = GL_FALSE;
       gl_update_dirty_texobjs(ctx);
-      ctx->Enabled &= ~(ENABLE_TEXGEN0|ENABLE_TEXGEN1);
+      ctx->Enabled &= ~(ENABLE_TEXGEN0 | ENABLE_TEXGEN1);
       ctx->Texture.ReallyEnabled = 0;
 
       for (i=0; i < MAX_TEXTURE_UNITS; i++) {
@@ -954,19 +953,17 @@ void gl_update_state( GLcontext *ctx )
 	    gl_update_texture_unit( ctx, &ctx->Texture.Unit[i] );
 
 	    ctx->Texture.ReallyEnabled |=
-	       ctx->Texture.Unit[i].ReallyEnabled<<(i*4);
+	       ctx->Texture.Unit[i].ReallyEnabled << (i * 4);
 
 	    if (ctx->Texture.Unit[i].GenFlags != 0) {
 	       ctx->Enabled |= ENABLE_TEXGEN0 << i;
 
-	       if (ctx->Texture.Unit[i].GenFlags & TEXGEN_NEED_NORMALS)
-	       {
+	       if (ctx->Texture.Unit[i].GenFlags & TEXGEN_NEED_NORMALS) {
 		  ctx->Texture.NeedNormals = GL_TRUE;
 		  ctx->Texture.NeedEyeCoords = GL_TRUE;
 	       }
 
-	       if (ctx->Texture.Unit[i].GenFlags & TEXGEN_NEED_EYE_COORD)
-	       {
+	       if (ctx->Texture.Unit[i].GenFlags & TEXGEN_NEED_EYE_COORD) {
 		  ctx->Texture.NeedEyeCoords = GL_TRUE;
 	       }
 	    }

src/mesa/main/teximage.c

@@ -472,7 +472,7 @@ set_tex_image(struct gl_texture_object *tObj,
          tObj->Image[level] = texImage;
          return;
       case GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB:
-         tObj->PosX[level] = texImage;
+         tObj->Image[level] = texImage;
          return;
       case GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB:
          tObj->NegX[level] = texImage;
@@ -630,7 +630,7 @@ _mesa_select_tex_image(GLcontext *ctx, const struct gl_texture_unit *texUnit,
          return ctx->Texture.Proxy3D->Image[level];
       case GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB:
          if (ctx->Extensions.HaveTextureCubeMap)
-            return texUnit->CurrentCubeMap->PosX[level];
+            return texUnit->CurrentCubeMap->Image[level];
          else
             return NULL;
       case GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB:
@@ -660,7 +660,7 @@ _mesa_select_tex_image(GLcontext *ctx, const struct gl_texture_unit *texUnit,
             return NULL;
       case GL_PROXY_TEXTURE_CUBE_MAP_ARB:
          if (ctx->Extensions.HaveTextureCubeMap)
-            return ctx->Texture.ProxyCubeMap->PosX[level];
+            return ctx->Texture.ProxyCubeMap->Image[level];
          else
             return NULL;
       default:
@@ -903,7 +903,10 @@ texture_error_check( GLcontext *ctx, GLenum target,
    }
    else if (dimensions == 2) {
       isProxy = (GLboolean) (target == GL_PROXY_TEXTURE_2D);
-      if (target != GL_TEXTURE_2D && !isProxy) {
+      if (target != GL_TEXTURE_2D && !isProxy &&
+          !(ctx->Extensions.HaveTextureCubeMap &&
+            target >= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB &&
+            target <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB)) {
           gl_error( ctx, GL_INVALID_ENUM, "glTexImage2D(target)" );
           return GL_TRUE;
       }

src/mesa/main/texobj.c

@@ -306,6 +306,10 @@ _mesa_test_texobj_completeness( const GLcontext *ctx,
                return;  /* found smallest needed mipmap, all done! */
             }
          }
+      }
+      else if (t->Dimensions == 6) {  /* cube map */
+
+
       }
       else {
          /* Dimensions = ??? */