1 files changed, 55 insertions, 3 deletions

diff --git a/src/mesa/drivers/dri/i915/intel_ioctl.c b/src/mesa/drivers/dri/i915/intel_ioctl.c
index 6e76737c78..94f7e73ecf 100644
--- a/src/mesa/drivers/dri/i915/intel_ioctl.c
+++ b/src/mesa/drivers/dri/i915/intel_ioctl.c
@@ -42,6 +42,8 @@
 #include "intel_regions.h"
 #include "drm.h"
 
+#include "intel_bufmgr_ttm.h"
+
 #define FILE_DEBUG_FLAG DEBUG_IOCTL
 
 int
@@ -105,9 +107,6 @@ intel_batch_ioctl(struct intel_context *intel,
     * hardware contexts which would preserve statechanges beyond a
     * single buffer.
     */
-
-
-
    batch.start = start_offset;
    batch.used = used;
    batch.cliprects = intel->pClipRects;
@@ -133,3 +132,56 @@ intel_batch_ioctl(struct intel_context *intel,
     */
    intel->vtbl.lost_hardware(intel);
 }
+
+void
+intel_exec_ioctl(struct intel_context *intel,
+		 GLuint used,
+		 GLboolean ignore_cliprects, GLboolean allow_unlock,
+		 void *start, GLuint count, dri_fence **fence)
+{
+   struct drm_i915_execbuffer execbuf;
+   dri_fence *fo;
+
+   assert(intel->locked);
+   assert(used);
+
+   if (*fence) {
+     dri_fence_unreference(*fence);
+   }
+
+   memset(&execbuf, 0, sizeof(execbuf));
+
+   execbuf.num_buffers = count;
+   execbuf.batch.used = used;
+   execbuf.batch.cliprects = intel->pClipRects;
+   execbuf.batch.num_cliprects = ignore_cliprects ? 0 : intel->numClipRects;
+   execbuf.batch.DR1 = 0;
+   execbuf.batch.DR4 = ((((GLuint) intel->drawX) & 0xffff) |
+			(((GLuint) intel->drawY) << 16));
+
+   execbuf.ops_list = (unsigned)start; // TODO
+   execbuf.fence_arg.flags = DRM_FENCE_FLAG_SHAREABLE | DRM_I915_FENCE_FLAG_FLUSHED;
+
+   if (drmCommandWriteRead(intel->driFd, DRM_I915_EXECBUFFER, &execbuf,
+                       sizeof(execbuf))) {
+      fprintf(stderr, "DRM_I830_EXECBUFFER: %d\n", -errno);
+      UNLOCK_HARDWARE(intel);
+      exit(1);
+   }
+
+
+   fo = intel_ttm_fence_create_from_arg(intel->intelScreen->bufmgr, "fence buffers",
+					&execbuf.fence_arg);
+   if (!fo) {
+      fprintf(stderr, "failed to fence handle: %08x\n", execbuf.fence_arg.handle);
+      UNLOCK_HARDWARE(intel);
+      exit(1);
+   }
+   *fence = fo;
+
+   /* FIXME: use hardware contexts to avoid 'losing' hardware after
+    * each buffer flush.
+    */
+   intel->vtbl.lost_hardware(intel);
+
+}