i965: Use bo_map instead of subdata to upload the bits of constant buffer.

Saves CPU time, resulting in a 2.5% FPS win on ETQW.

1 files changed, 21 insertions, 0 deletions

diff --git a/src/mesa/drivers/dri/intel/intel_context.h b/src/mesa/drivers/dri/intel/intel_context.h
index 84fbfc564c0..8936f757a42 100644
--- a/src/mesa/drivers/dri/intel/intel_context.h
+++ b/src/mesa/drivers/dri/intel/intel_context.h
@@ -590,4 +590,25 @@ is_power_of_two(uint32_t value)
    return (value & (value - 1)) == 0;
 }
 
+static inline void
+intel_bo_map_gtt_preferred(struct intel_context *intel,
+			   drm_intel_bo *bo,
+			   GLboolean write)
+{
+   if (intel->intelScreen->kernel_exec_fencing)
+      drm_intel_gem_bo_map_gtt(bo);
+   else
+      drm_intel_bo_map(bo, write);
+}
+
+static inline void
+intel_bo_unmap_gtt_preferred(struct intel_context *intel,
+			     drm_intel_bo *bo)
+{
+   if (intel->intelScreen->kernel_exec_fencing)
+      drm_intel_gem_bo_unmap_gtt(bo);
+   else
+      drm_intel_bo_unmap(bo);
+}
+
 #endif