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authorBrian Paul <[email protected]>2009-06-12 16:21:20 -0600
committerBrian Paul <[email protected]>2009-06-12 16:21:20 -0600
commit18af7c384cf663533f210d95d074c244d4214f29 (patch)
tree19bebbe3ff280eebfd68f7fadeb3aa77b3841a68 /src/mesa/drivers/dri/i965/brw_wm.c
parent05f0d90962147ad61050bbcde42775a3422e68a5 (diff)
i965: interpolate colors with perspective correction by default
...rather than with linear interpolation. Modern hardware should use perspective-corrected interpolation for colors (as for texcoords). glHint(GL_PERSPECTIVE_CORRECTION_HINT, mode) can be used to get linear interpolation if mode = GL_FASTEST.
Diffstat (limited to 'src/mesa/drivers/dri/i965/brw_wm.c')
-rw-r--r--src/mesa/drivers/dri/i965/brw_wm.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_wm.c b/src/mesa/drivers/dri/i965/brw_wm.c
index 3e476fd3be5..34c8ceddb72 100644
--- a/src/mesa/drivers/dri/i965/brw_wm.c
+++ b/src/mesa/drivers/dri/i965/brw_wm.c
@@ -272,6 +272,9 @@ static void brw_wm_populate_key( struct brw_context *brw,
/* _NEW_LIGHT */
key->flat_shade = (ctx->Light.ShadeModel == GL_FLAT);
+ /* _NEW_HINT */
+ key->linear_color = (ctx->Hint.PerspectiveCorrection == GL_FASTEST);
+
/* _NEW_TEXTURE */
for (i = 0; i < BRW_MAX_TEX_UNIT; i++) {
const struct gl_texture_unit *unit = &ctx->Texture.Unit[i];
@@ -351,6 +354,7 @@ const struct brw_tracked_state brw_wm_prog = {
.dirty = {
.mesa = (_NEW_COLOR |
_NEW_DEPTH |
+ _NEW_HINT |
_NEW_STENCIL |
_NEW_POLYGON |
_NEW_LINE |