From 6b9e31f3eb3dbe20cbc8493b963bbc6530e392c6 Mon Sep 17 00:00:00 2001
From: Keith Whitwell <keith@tungstengraphics.com>
Date: Wed, 1 Nov 2006 12:03:11 +0000
Subject: Import texmem i915 driver to its new location as i915tex.

---
 src/mesa/drivers/dri/i915tex/i830_context.c | 104 ++++++++++++++++++++++++++++
 1 file changed, 104 insertions(+)
 create mode 100644 src/mesa/drivers/dri/i915tex/i830_context.c

(limited to 'src/mesa/drivers/dri/i915tex/i830_context.c')

diff --git a/src/mesa/drivers/dri/i915tex/i830_context.c b/src/mesa/drivers/dri/i915tex/i830_context.c
new file mode 100644
index 0000000000..2ff8621c42
--- /dev/null
+++ b/src/mesa/drivers/dri/i915tex/i830_context.c
@@ -0,0 +1,104 @@
+/**************************************************************************
+ * 
+ * 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;
+   struct i830_context *i830 = CALLOC_STRUCT(i830_context);
+   struct intel_context *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;
+
+   /* Advertise the full hardware capabilities.  The new memory
+    * manager should cope much better with overload situations:
+    */
+   ctx->Const.MaxTextureLevels = 12;
+   ctx->Const.Max3DTextureLevels = 9;
+   ctx->Const.MaxCubeTextureLevels = 11;
+   ctx->Const.MaxTextureRectSize = (1 << 11);
+   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);
+   i830InitMetaFuncs(i830);
+
+   _tnl_allow_vertex_fog(ctx, 1);
+   _tnl_allow_pixel_fog(ctx, 0);
+
+   return GL_TRUE;
+}
-- 
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