Add Intel i965G/Q DRI driver.

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

1 files changed, 190 insertions, 0 deletions

diff --git a/src/mesa/drivers/dri/i965/brw_vtbl.c b/src/mesa/drivers/dri/i965/brw_vtbl.c
new file mode 100644
index 00000000000..4a15a7763de
--- /dev/null
+++ b/src/mesa/drivers/dri/i965/brw_vtbl.c
@@ -0,0 +1,190 @@
+/*
+ Copyright (C) Intel Corp.  2006.  All Rights Reserved.
+ Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to
+ develop this 3D driver.
+ 
+ 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 (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 NONINFRINGEMENT.
+ IN NO EVENT SHALL THE COPYRIGHT OWNER(S) 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.
+ 
+ **********************************************************************/
+ /*
+  * Authors:
+  *   Keith Whitwell <[email protected]>
+  */
+            
+
+
+
+#include "glheader.h"
+#include "mtypes.h"
+#include "imports.h"
+#include "macros.h"
+#include "colormac.h"
+
+#include "intel_batchbuffer.h" 
+#include "intel_regions.h" 
+
+#include "brw_context.h"
+#include "brw_defines.h"
+#include "brw_state.h"
+
+#include "brw_draw.h"
+#include "brw_exec.h"
+#include "brw_save.h"
+#include "brw_state.h"
+#include "brw_aub.h"
+#include "brw_fallback.h"
+#include "brw_vs.h"
+
+
+
+/* called from intelDestroyContext()
+ */
+static void brw_destroy_context( struct intel_context *intel )
+{
+   GLcontext *ctx = &intel->ctx;
+   struct brw_context *brw = brw_context(&intel->ctx);
+
+   brw_aub_destroy(brw);
+
+   brw_destroy_metaops(brw);
+   brw_destroy_state(brw);
+   brw_draw_destroy( brw );
+
+   brw_exec_destroy( ctx );
+   brw_save_destroy( ctx );
+
+   brw_ProgramCacheDestroy( ctx );
+}
+
+/* called from intelDrawBuffer()
+ */
+static void brw_set_draw_region( struct intel_context *intel, 
+				  struct intel_region *draw_region,
+				  struct intel_region *depth_region)
+{
+   struct brw_context *brw = brw_context(&intel->ctx);
+
+   intel_region_release(intel, &brw->state.draw_region);
+   intel_region_release(intel, &brw->state.depth_region);
+   intel_region_reference(&brw->state.draw_region, draw_region);
+   intel_region_reference(&brw->state.depth_region, depth_region);
+}
+
+
+/* called from intelFlushBatchLocked
+ */
+static void brw_lost_hardware( struct intel_context *intel )
+{
+   struct brw_context *brw = brw_context(&intel->ctx);
+
+   /* Note that we effectively lose the context after this.
+    * 
+    * Setting this flag provokes a state buffer wrap and also flushes
+    * the hardware caches.
+    */
+   brw->state.dirty.brw |= BRW_NEW_CONTEXT;
+
+   /* Which means there shouldn't be any commands already queued:
+    */
+   assert(intel->batch->ptr == intel->batch->map + intel->batch->offset);
+
+   brw->state.dirty.mesa |= ~0;
+   brw->state.dirty.brw |= ~0;
+   brw->state.dirty.cache |= ~0;
+}
+
+static void brw_note_fence( struct intel_context *intel, 
+			    GLuint fence )
+{
+   brw_context(&intel->ctx)->state.dirty.brw |= BRW_NEW_FENCE;
+}
+ 
+static void brw_note_unlock( struct intel_context *intel )
+{
+  struct brw_context *brw = brw_context(&intel->ctx);
+
+   brw_pool_check_wrap(brw, &brw->pool[BRW_GS_POOL]);
+   brw_pool_check_wrap(brw, &brw->pool[BRW_SS_POOL]);
+}
+
+
+void brw_do_flush( struct brw_context *brw, 
+		   GLuint flags )
+{
+   struct brw_mi_flush flush;
+   memset(&flush, 0, sizeof(flush));      
+   flush.opcode = CMD_MI_FLUSH;
+   flush.flags = flags;
+   BRW_BATCH_STRUCT(brw, &flush);
+}
+
+
+static void brw_emit_flush( struct intel_context *intel,
+			GLuint unused )
+{
+   brw_do_flush(brw_context(&intel->ctx),
+		BRW_FLUSH_STATE_CACHE|BRW_FLUSH_READ_CACHE);
+}
+
+
+/* called from intelWaitForIdle() and intelFlush()
+ *
+ * For now, just flush everything.  Could be smarter later.
+ */
+static GLuint brw_flush_cmd( void )
+{
+   struct brw_mi_flush flush;
+   flush.opcode = CMD_MI_FLUSH;
+   flush.pad = 0;
+   flush.flags = BRW_FLUSH_READ_CACHE | BRW_FLUSH_STATE_CACHE;
+   return *(GLuint *)&flush;
+}
+
+
+
+
+static void brw_invalidate_state( struct intel_context *intel, GLuint new_state )
+{
+   GLcontext *ctx = &intel->ctx;
+
+   brw_exec_invalidate_state(ctx, new_state);
+   brw_save_invalidate_state(ctx, new_state);
+}
+
+
+void brwInitVtbl( struct brw_context *brw )
+{
+   brw->intel.vtbl.check_vertex_size = 0;
+   brw->intel.vtbl.emit_state = 0; 
+   brw->intel.vtbl.reduced_primitive_state = 0;	
+   brw->intel.vtbl.render_start = 0;
+   brw->intel.vtbl.update_texture_state = 0; 
+
+   brw->intel.vtbl.invalidate_state = brw_invalidate_state; 
+   brw->intel.vtbl.note_fence = brw_note_fence; 
+   brw->intel.vtbl.note_unlock = brw_note_unlock; 
+   brw->intel.vtbl.lost_hardware = brw_lost_hardware;
+   brw->intel.vtbl.destroy = brw_destroy_context;
+   brw->intel.vtbl.set_draw_region = brw_set_draw_region;
+   brw->intel.vtbl.flush_cmd = brw_flush_cmd;
+   brw->intel.vtbl.emit_flush = brw_emit_flush;
+}
+