From 3ed38714bd3792ccfc1089dd7bef84ab3dc9697d Mon Sep 17 00:00:00 2001
From: Ben Widawsky <ben@bwidawsk.net>
Date: Sun, 18 Mar 2012 18:28:28 -0700
Subject: [PATCH] intel/context: new execbuf interface for contexts

To support this we extract the common execbuf2 functionality to be
called with, or without contexts.

The context'd execbuf does not support some of the dri1 stuff.

Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
---
 intel/intel_bufmgr.h     |  5 +++++
 intel/intel_bufmgr_gem.c | 32 +++++++++++++++++++++++++-------
 2 files changed, 30 insertions(+), 7 deletions(-)

diff --git a/intel/intel_bufmgr.h b/intel/intel_bufmgr.h
index fedffb58..9b3a483f 100644
--- a/intel/intel_bufmgr.h
+++ b/intel/intel_bufmgr.h
@@ -187,6 +187,11 @@ int drm_intel_get_aperture_sizes(int fd, size_t *mappable, size_t *total);
 int drm_intel_bufmgr_gem_get_devid(drm_intel_bufmgr *bufmgr);
 int drm_intel_gem_bo_wait(drm_intel_bo *bo, int64_t timeout_ns);
 
+drm_intel_context *drm_intel_gem_context_create(drm_intel_bufmgr *bufmgr);
+void drm_intel_gem_context_destroy(drm_intel_context *ctx);
+int drm_intel_gem_bo_context_exec(drm_intel_bo *bo, drm_intel_context *ctx,
+				  int used, unsigned int flags);
+
 /* drm_intel_bufmgr_fake.c */
 drm_intel_bufmgr *drm_intel_bufmgr_fake_init(int fd,
 					     unsigned long low_offset,
diff --git a/intel/intel_bufmgr_gem.c b/intel/intel_bufmgr_gem.c
index e90f8bdb..485308b5 100644
--- a/intel/intel_bufmgr_gem.c
+++ b/intel/intel_bufmgr_gem.c
@@ -2187,9 +2187,9 @@ drm_intel_gem_bo_exec(drm_intel_bo *bo, int used,
 }
 
 static int
-drm_intel_gem_bo_mrb_exec2(drm_intel_bo *bo, int used,
-			drm_clip_rect_t *cliprects, int num_cliprects, int DR4,
-			unsigned int flags)
+do_exec2(drm_intel_bo *bo, int used, drm_intel_context *ctx,
+	 drm_clip_rect_t *cliprects, int num_cliprects, int DR4,
+	 unsigned int flags)
 {
 	drm_intel_bufmgr_gem *bufmgr_gem = (drm_intel_bufmgr_gem *)bo->bufmgr;
 	struct drm_i915_gem_execbuffer2 execbuf;
@@ -2231,7 +2231,10 @@ drm_intel_gem_bo_mrb_exec2(drm_intel_bo *bo, int used,
 	execbuf.DR1 = 0;
 	execbuf.DR4 = DR4;
 	execbuf.flags = flags;
-	execbuf.rsvd1 = 0;
+	if (ctx == NULL)
+		i915_execbuffer2_set_context_id(execbuf, 0);
+	else
+		i915_execbuffer2_set_context_id(execbuf, ctx->ctx_id);
 	execbuf.rsvd2 = 0;
 
 	aub_exec(bo, flags, used);
@@ -2279,9 +2282,24 @@ drm_intel_gem_bo_exec2(drm_intel_bo *bo, int used,
 		       drm_clip_rect_t *cliprects, int num_cliprects,
 		       int DR4)
 {
-	return drm_intel_gem_bo_mrb_exec2(bo, used,
-					cliprects, num_cliprects, DR4,
-					I915_EXEC_RENDER);
+	return do_exec2(bo, used, NULL, cliprects, num_cliprects, DR4,
+			I915_EXEC_RENDER);
+}
+
+static int
+drm_intel_gem_bo_mrb_exec2(drm_intel_bo *bo, int used,
+			drm_clip_rect_t *cliprects, int num_cliprects, int DR4,
+			unsigned int flags)
+{
+	return do_exec2(bo, used, NULL, cliprects, num_cliprects, DR4,
+			flags);
+}
+
+int
+drm_intel_gem_bo_context_exec(drm_intel_bo *bo, drm_intel_context *ctx,
+			      int used, unsigned int flags)
+{
+	return do_exec2(bo, used, ctx, NULL, 0, 0, flags);
 }
 
 static int