[Mesa-dev] [PATCH] mesa/virgl: Fix off-by-one and copy-paste error in multisample position evaluation
Gert Wollny
gert.wollny at collabora.com
Fri Jul 13 12:46:31 UTC 2018
Fixes: 91f48cdfe5c817158c533a8f67c60e9aabbe4479
virgl: Add support for glGetMultisample
Signed-off-by: Gert Wollny <gert.wollny at collabora.com>
---
src/gallium/drivers/virgl/virgl_context.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/src/gallium/drivers/virgl/virgl_context.c b/src/gallium/drivers/virgl/virgl_context.c
index d985bf906f..f5e3832d99 100644
--- a/src/gallium/drivers/virgl/virgl_context.c
+++ b/src/gallium/drivers/virgl/virgl_context.c
@@ -943,11 +943,11 @@ static void virgl_get_sample_position(struct pipe_context *ctx,
return;
} else if (sample_count == 2) {
bits = vs->caps.caps.v2.msaa_sample_positions[0] >> (8 * index);
- } else if (sample_count < 4) {
+ } else if (sample_count <= 4) {
bits = vs->caps.caps.v2.msaa_sample_positions[1] >> (8 * index);
- } else if (sample_count < 8) {
+ } else if (sample_count <= 8) {
bits = vs->caps.caps.v2.msaa_sample_positions[2 + (index >> 2)] >> (8 * (index & 3));
- } else if (sample_count < 8) {
+ } else if (sample_count <= 16) {
bits = vs->caps.caps.v2.msaa_sample_positions[4 + (index >> 2)] >> (8 * (index & 3));
}
out_value[0] = ((bits >> 4) & 0xf) / 16.0f;
--
2.17.1
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