On 07/18/2012 08:15 AM, Paul Berry wrote:
On Gen6, multisampled null render targets don't seem to work
properly--they cause the GPU to hang. So, as a workaround, we render
into a dummy color buffer.
Fortunately this situation (multisampled rendering without a color
buffer) is rare, and we
+ * To decrease the amount of memory needed by the workaround buffer,
we
+ * set its pitch to 128 bytes (the width of a Y tile). This means
that
+ * the amount of memory needed for the workaround buffer is
+ * (width_in_tiles + height_in_tiles - 1) tiles.
It
On 24 July 2012 11:24, Chad Versace chad.vers...@linux.intel.com wrote:
On 07/18/2012 08:15 AM, Paul Berry wrote:
On Gen6, multisampled null render targets don't seem to work
properly--they cause the GPU to hang. So, as a workaround, we render
into a dummy color buffer.
Fortunately
On Gen6, multisampled null render targets don't seem to work
properly--they cause the GPU to hang. So, as a workaround, we render
into a dummy color buffer.
Fortunately this situation (multisampled rendering without a color
buffer) is rare, and we don't have to waste too much memory, because
we