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r600g: fix alphatest without a colorbuffer on evergreen

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This commit is contained in:
Marek Olšák 2012-07-18 05:16:40 +02:00
parent 82a1d24175
commit 1b699a4832
1 changed files with 4 additions and 1 deletions
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5
src/gallium/drivers/r600/evergreen_state.c
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@ -1701,7 +1701,10 @@ static void evergreen_emit_cb_misc_state(struct r600_context *rctx, struct r600_
r600_write_context_reg_seq(cs, R_028238_CB_TARGET_MASK, 2);
r600_write_value(cs, a->blend_colormask & fb_colormask); /* R_028238_CB_TARGET_MASK */
r600_write_value(cs, (a->dual_src_blend ? ps_colormask : 0) | fb_colormask); /* R_02823C_CB_SHADER_MASK */
/* Always enable the first colorbuffer in CB_SHADER_MASK. This
* will assure that the alpha-test will work even if there is
* no colorbuffer bound. */
r600_write_value(cs, 0xf | (a->dual_src_blend ? ps_colormask : 0) | fb_colormask); /* R_02823C_CB_SHADER_MASK */
}
static void evergreen_emit_db_misc_state(struct r600_context *rctx, struct r600_atom *atom)