Mesa (master): i965: Set up the color masking for the first drawbuffer on gen6.
Eric Anholt
anholt at kemper.freedesktop.org
Wed Dec 8 18:52:19 UTC 2010
Module: Mesa
Branch: master
Commit: 0d3b8a5cc2c1730af0efc69482d36a86ff18f15e
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=0d3b8a5cc2c1730af0efc69482d36a86ff18f15e
Author: Eric Anholt <eric at anholt.net>
Date: Wed Dec 8 09:52:56 2010 -0800
i965: Set up the color masking for the first drawbuffer on gen6.
Fixes glean/maskedClear
---
src/mesa/drivers/dri/i965/gen6_cc.c | 9 +++++++++
1 files changed, 9 insertions(+), 0 deletions(-)
diff --git a/src/mesa/drivers/dri/i965/gen6_cc.c b/src/mesa/drivers/dri/i965/gen6_cc.c
index f51cf5f..dfcef20 100644
--- a/src/mesa/drivers/dri/i965/gen6_cc.c
+++ b/src/mesa/drivers/dri/i965/gen6_cc.c
@@ -35,6 +35,7 @@
struct gen6_blend_state_key {
GLboolean color_blend, alpha_enabled;
GLboolean dither;
+ GLboolean color_mask[4];
GLenum logic_op;
@@ -54,6 +55,9 @@ blend_state_populate_key(struct brw_context *brw,
memset(key, 0, sizeof(*key));
/* _NEW_COLOR */
+ memcpy(key->color_mask, ctx->Color.ColorMask[0], sizeof(key->color_mask));
+
+ /* _NEW_COLOR */
if (ctx->Color._LogicOpEnabled)
key->logic_op = ctx->Color.LogicOp;
else
@@ -137,6 +141,11 @@ blend_state_create_from_key(struct brw_context *brw,
blend.blend1.x_dither_offset = 0;
}
+ blend.blend1.write_disable_r = !key->color_mask[0];
+ blend.blend1.write_disable_g = !key->color_mask[1];
+ blend.blend1.write_disable_b = !key->color_mask[2];
+ blend.blend1.write_disable_a = !key->color_mask[3];
+
bo = brw_upload_cache(&brw->cache, BRW_BLEND_STATE,
key, sizeof(*key),
NULL, 0,
More information about the mesa-commit
mailing list