[Mesa-dev] [PATCH 2/2] radv: improve a comment in si_emit_set_predication_state()
Samuel Pitoiset
samuel.pitoiset at gmail.com
Wed Sep 12 21:20:39 UTC 2018
Signed-off-by: Samuel Pitoiset <samuel.pitoiset at gmail.com>
---
src/amd/vulkan/si_cmd_buffer.c | 14 ++++++--------
1 file changed, 6 insertions(+), 8 deletions(-)
diff --git a/src/amd/vulkan/si_cmd_buffer.c b/src/amd/vulkan/si_cmd_buffer.c
index 435878c372..1464c913cd 100644
--- a/src/amd/vulkan/si_cmd_buffer.c
+++ b/src/amd/vulkan/si_cmd_buffer.c
@@ -1004,21 +1004,19 @@ si_emit_cache_flush(struct radv_cmd_buffer *cmd_buffer)
/* sets the CP predication state using a boolean stored at va */
void
si_emit_set_predication_state(struct radv_cmd_buffer *cmd_buffer,
- bool inverted, uint64_t va)
+ bool draw_visible, uint64_t va)
{
uint32_t op = 0;
if (va) {
op = PRED_OP(PREDICATION_OP_BOOL64);
- /* By default, our internal rendering commands are discarded
- * only if the predicate is non-zero (ie. DRAW_VISIBLE). But
- * VK_EXT_conditional_rendering also allows to discard commands
- * when the predicate is zero, which means we have to use a
- * different flag.
+ /* PREDICATION_DRAW_VISIBLE means that if the 32-bit value is
+ * zero, all rendering commands are discarded. Otherwise, they
+ * are discarded if the value is non zero.
*/
- op |= inverted ? PREDICATION_DRAW_VISIBLE :
- PREDICATION_DRAW_NOT_VISIBLE;
+ op |= draw_visible ? PREDICATION_DRAW_VISIBLE :
+ PREDICATION_DRAW_NOT_VISIBLE;
}
if (cmd_buffer->device->physical_device->rad_info.chip_class >= GFX9) {
radeon_emit(cmd_buffer->cs, PKT3(PKT3_SET_PREDICATION, 2, 0));
--
2.18.0
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