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authorEric Anholt <[email protected]>2012-07-05 13:43:43 -0700
committerEric Anholt <[email protected]>2012-07-11 09:20:21 -0700
commitf9b3e257d19587f4b9fae31610df857b10d69d1b (patch)
tree19ee4f59f851073abd2068cc553e60c017176fdd /src/mesa/drivers/dri
parentb5c037f6b1cd54f72c3575c33adb2bcdaae678d7 (diff)
i965: Revert the VBOs-in-system-memory hack.
It didn't change performance on Lightsmark or Nexuiz, which both used DYNAMIC_DRAW buffers, but it was killing performance (40% CPU wasted pwriting buffers) on a closed-source app we're looking at. Reviewed-by: Kenneth Graunke <[email protected]>
Diffstat (limited to 'src/mesa/drivers/dri')
-rw-r--r--src/mesa/drivers/dri/intel/intel_buffer_objects.c13
1 files changed, 5 insertions, 8 deletions
diff --git a/src/mesa/drivers/dri/intel/intel_buffer_objects.c b/src/mesa/drivers/dri/intel/intel_buffer_objects.c
index d2a07097688..ef511e6a34e 100644
--- a/src/mesa/drivers/dri/intel/intel_buffer_objects.c
+++ b/src/mesa/drivers/dri/intel/intel_buffer_objects.c
@@ -140,15 +140,11 @@ intel_bufferobj_data(struct gl_context * ctx,
intel_obj->sys_buffer = NULL;
if (size != 0) {
- if (usage == GL_DYNAMIC_DRAW
#ifdef I915
- /* On pre-965, stick VBOs in system memory, as we're always doing
- * swtnl with their contents anyway.
- */
- || target == GL_ARRAY_BUFFER || target == GL_ELEMENT_ARRAY_BUFFER
-#endif
- )
- {
+ /* On pre-965, stick VBOs in system memory, as we're always doing
+ * swtnl with their contents anyway.
+ */
+ if (target == GL_ARRAY_BUFFER || target == GL_ELEMENT_ARRAY_BUFFER) {
intel_obj->sys_buffer = malloc(size);
if (intel_obj->sys_buffer != NULL) {
if (data != NULL)
@@ -156,6 +152,7 @@ intel_bufferobj_data(struct gl_context * ctx,
return true;
}
}
+#endif
intel_bufferobj_alloc_buffer(intel, intel_obj);
if (!intel_obj->buffer)
return false;