Add Intel i965G/Q DRI driver.

This driver comes from Tungsten Graphics, with a few further modifications by
Intel.

1 files changed, 129 insertions, 0 deletions

diff --git a/src/mesa/drivers/dri/i965/brw_exec.c b/src/mesa/drivers/dri/i965/brw_exec.c
new file mode 100644
index 00000000000..1be858f11b6
--- /dev/null
+++ b/src/mesa/drivers/dri/i965/brw_exec.c
@@ -0,0 +1,129 @@
+/*
+ * Mesa 3-D graphics library
+ * Version:  6.3
+ *
+ * Copyright (C) 1999-2005  Brian Paul   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, sublicense,
+ * 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 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 NONINFRINGEMENT.  IN NO EVENT SHALL
+ * BRIAN PAUL 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.
+ *
+ * Authors:
+ *    Keith Whitwell <[email protected]>
+ */
+
+
+#include "api_arrayelt.h"
+#include "glheader.h"
+#include "imports.h"
+#include "context.h"
+#include "macros.h"
+#include "mtypes.h"
+#include "dlist.h"
+#include "vtxfmt.h"
+
+#include "brw_exec.h"
+
+
+void brw_exec_init( GLcontext *ctx )
+{
+   struct brw_exec_context *exec = CALLOC_STRUCT(brw_exec_context);
+
+   if (ctx->swtnl_im == NULL) {
+      ctx->swtnl_im = CALLOC_STRUCT(brw_exec_save);
+   }
+
+   exec->ctx = ctx;
+   IMM_CONTEXT(ctx)->exec = exec;
+
+   /* Initialize the arrayelt helper
+    */
+   if (!ctx->aelt_context &&
+       !_ae_create_context( ctx )) 
+      return;
+
+   brw_exec_vtx_init( exec );
+   brw_exec_array_init( exec );
+
+   ctx->Driver.NeedFlush = 0;
+   ctx->Driver.CurrentExecPrimitive = PRIM_OUTSIDE_BEGIN_END;
+   ctx->Driver.FlushVertices = brw_exec_FlushVertices;
+
+   exec->eval.recalculate_maps = 1;
+   exec->array.recalculate_inputs = 1;
+}
+
+
+void brw_exec_destroy( GLcontext *ctx )
+{
+   struct brw_exec_context *exec = IMM_CONTEXT(ctx)->exec;
+
+   if (ctx->aelt_context) {
+      _ae_destroy_context( ctx );
+      ctx->aelt_context = NULL;
+   }
+
+   brw_exec_vtx_destroy( exec );
+   brw_exec_array_destroy( exec );
+
+   if (exec) {
+      FREE(exec);
+      IMM_CONTEXT(ctx)->exec = NULL;
+   }
+
+   if (IMM_CONTEXT(ctx)->exec == NULL &&
+       IMM_CONTEXT(ctx)->save == NULL) {
+      FREE(IMM_CONTEXT(ctx));
+      ctx->swtnl_im = NULL;
+   }
+}
+
+/* Really want to install these callbacks to a central facility to be
+ * invoked according to the state flags.  That will have to wait for a
+ * mesa rework:
+ */ 
+void brw_exec_invalidate_state( GLcontext *ctx, GLuint new_state )
+{
+   struct brw_exec_context *exec = IMM_CONTEXT(ctx)->exec;
+
+   if (new_state & (_NEW_PROGRAM|_NEW_EVAL))
+      exec->eval.recalculate_maps = 1;
+
+   if (new_state & (_NEW_PROGRAM|_NEW_ARRAY))
+      exec->array.recalculate_inputs = 1;
+   
+   _ae_invalidate_state(ctx, new_state);
+}
+
+
+void brw_exec_wakeup( GLcontext *ctx )
+{
+   struct brw_exec_context *exec = IMM_CONTEXT(ctx)->exec;
+
+   ctx->Driver.FlushVertices = brw_exec_FlushVertices;
+   ctx->Driver.NeedFlush |= FLUSH_UPDATE_CURRENT;
+
+   /* Hook our functions into exec and compile dispatch tables.
+    */
+   _mesa_install_exec_vtxfmt( ctx, &exec->vtxfmt );
+
+   /* Assume we haven't been getting state updates either:
+    */
+   brw_exec_invalidate_state( ctx, ~0 );
+}
+
+
+