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-rw-r--r--src/mesa/drivers/dri/intel/intel_buffer_objects.c16
-rw-r--r--src/mesa/drivers/dri/intel/intel_buffer_objects.h1
2 files changed, 15 insertions, 2 deletions
diff --git a/src/mesa/drivers/dri/intel/intel_buffer_objects.c b/src/mesa/drivers/dri/intel/intel_buffer_objects.c
index f6b0d769c6..0db1f392c0 100644
--- a/src/mesa/drivers/dri/intel/intel_buffer_objects.c
+++ b/src/mesa/drivers/dri/intel/intel_buffer_objects.c
@@ -214,6 +214,7 @@ intel_bufferobj_map(GLcontext * ctx,
struct intel_context *intel = intel_context(ctx);
struct intel_buffer_object *intel_obj = intel_buffer_object(obj);
GLboolean read_only = (access == GL_READ_ONLY_ARB);
+ GLboolean write_only = (access == GL_WRITE_ONLY_ARB);
assert(intel_obj);
@@ -225,7 +226,14 @@ intel_bufferobj_map(GLcontext * ctx,
return NULL;
}
- dri_bo_map(intel_obj->buffer, !read_only);
+ if (write_only && intel->intelScreen->kernel_exec_fencing) {
+ drm_intel_gem_bo_map_gtt(intel_obj->buffer);
+ intel_obj->mapped_gtt = GL_TRUE;
+ } else {
+ drm_intel_bo_map(intel_obj->buffer, !read_only);
+ intel_obj->mapped_gtt = GL_FALSE;
+ }
+
obj->Pointer = intel_obj->buffer->virtual;
return obj->Pointer;
}
@@ -243,7 +251,11 @@ intel_bufferobj_unmap(GLcontext * ctx,
assert(intel_obj);
if (intel_obj->buffer != NULL) {
assert(obj->Pointer);
- dri_bo_unmap(intel_obj->buffer);
+ if (intel_obj->mapped_gtt) {
+ drm_intel_gem_bo_unmap_gtt(intel_obj->buffer);
+ } else {
+ drm_intel_bo_unmap(intel_obj->buffer);
+ }
obj->Pointer = NULL;
}
return GL_TRUE;
diff --git a/src/mesa/drivers/dri/intel/intel_buffer_objects.h b/src/mesa/drivers/dri/intel/intel_buffer_objects.h
index bf6dbd58f2..7ef723833c 100644
--- a/src/mesa/drivers/dri/intel/intel_buffer_objects.h
+++ b/src/mesa/drivers/dri/intel/intel_buffer_objects.h
@@ -46,6 +46,7 @@ struct intel_buffer_object
struct intel_region *region; /* Is there a zero-copy texture
associated with this (pixel)
buffer object? */
+ GLboolean mapped_gtt;
};