1 files changed, 122 insertions, 0 deletions
diff --git a/nx-X11/extras/Mesa/src/mesa/drivers/dri/i915/i830_context.c b/nx-X11/extras/Mesa/src/mesa/drivers/dri/i915/i830_context.c
new file mode 100644
index 000000000..6088db67e
--- /dev/null
+++ b/nx-X11/extras/Mesa/src/mesa/drivers/dri/i915/i830_context.c
@@ -0,0 +1,122 @@
+/**************************************************************************
+ * 
+ * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ * 
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ * 
+ **************************************************************************/
+
+#include "i830_context.h"
+#include "imports.h"
+#include "texmem.h"
+#include "intel_tex.h"
+#include "tnl/tnl.h"
+#include "tnl/t_vertex.h"
+#include "tnl/t_context.h"
+#include "utils.h"
+
+/***************************************
+ * Mesa's Driver Functions
+ ***************************************/
+
+static const struct dri_extension i830_extensions[] =
+{
+    { "GL_ARB_texture_env_crossbar",       NULL },
+    { NULL,                                NULL }
+};
+
+
+static void i830InitDriverFunctions( struct dd_function_table *functions )
+{
+   intelInitDriverFunctions( functions );
+   i830InitStateFuncs( functions );
+   i830InitTextureFuncs( functions );
+}
+
+
+GLboolean i830CreateContext( const __GLcontextModes *mesaVis,
+			    __DRIcontextPrivate *driContextPriv,
+			    void *sharedContextPrivate)
+{
+   struct dd_function_table functions;
+   i830ContextPtr i830 = (i830ContextPtr) CALLOC_STRUCT(i830_context);
+   intelContextPtr intel = &i830->intel;
+   GLcontext *ctx = &intel->ctx;
+   if (!i830) return GL_FALSE;
+
+   i830InitVtbl( i830 );
+   i830InitDriverFunctions( &functions );
+
+   if (!intelInitContext( intel, mesaVis, driContextPriv,
+			  sharedContextPrivate, &functions )) {
+      FREE(i830);
+      return GL_FALSE;
+   }
+
+   intel->ctx.Const.MaxTextureUnits = I830_TEX_UNITS;
+   intel->ctx.Const.MaxTextureImageUnits = I830_TEX_UNITS;
+   intel->ctx.Const.MaxTextureCoordUnits = I830_TEX_UNITS;
+
+   intel->nr_heaps = 1;
+   intel->texture_heaps[0] = 
+      driCreateTextureHeap( 0, intel,
+			    intel->intelScreen->textureSize,
+			    12,
+			    I830_NR_TEX_REGIONS,
+			    intel->sarea->texList,
+			    & intel->sarea->texAge,
+			    & intel->swapped,
+			    sizeof( struct i830_texture_object ),
+			    (destroy_texture_object_t *)intelDestroyTexObj );
+
+   /* FIXME: driCalculateMaxTextureLevels assumes that mipmaps are tightly
+    * FIXME: packed, but they're not in Intel graphics hardware.
+    */
+   intel->ctx.Const.MaxTextureUnits = 1;
+   driCalculateMaxTextureLevels( intel->texture_heaps,
+				 intel->nr_heaps,
+				 &intel->ctx.Const,
+				 4,
+				 11, /* max 2D texture size is 2048x2048 */
+				 8,  /* max 3D texture size is 256^3 */
+				 10, /* max CUBE texture size is 1024x1024 */
+				 11, /* max RECT. supported */
+				 12,
+				 GL_FALSE );
+   intel->ctx.Const.MaxTextureUnits = I830_TEX_UNITS;
+
+   _tnl_init_vertices( ctx, ctx->Const.MaxArrayLockSize + 12, 
+		       18 * sizeof(GLfloat) );
+
+   intel->verts = TNL_CONTEXT(ctx)->clipspace.vertex_buf;
+
+   driInitExtensions( ctx, i830_extensions, GL_FALSE );
+
+   i830InitState( i830 );
+
+
+   _tnl_allow_vertex_fog( ctx, 1 ); 
+   _tnl_allow_pixel_fog( ctx, 0 ); 
+
+   return GL_TRUE;
+}
+