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r600g: reduce quant mode on evergreen+

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Seems to have an affect on the allowable range of
values.  Set evergreen+ to 1/256 to match 6xx/7xx.

fixes:
https://bugs.freedesktop.org/show_bug.cgi?id=54877

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit b33d7eaa5e)
This commit is contained in:
Alex Deucher 2012-09-13 17:25:42 -04:00
parent a5a86652f1
commit f94b6d706f
1 changed files with 1 additions and 1 deletions
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2
src/gallium/drivers/r600/evergreen_state.c
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@ -921,7 +921,7 @@ static void *evergreen_create_rs_state(struct pipe_context *ctx,
} else {
r600_pipe_state_add_reg(rstate, R_028C08_PA_SU_VTX_CNTL,
S_028C08_PIX_CENTER_HALF(state->gl_rasterization_rules) |
S_028C08_QUANT_MODE(V_028C08_X_1_4096TH));
S_028C08_QUANT_MODE(V_028C08_X_1_256TH));
}
r600_pipe_state_add_reg(rstate, R_028B7C_PA_SU_POLY_OFFSET_CLAMP, fui(state->offset_clamp));
r600_pipe_state_add_reg(rstate, R_028814_PA_SU_SC_MODE_CNTL,