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r600g: adjust QUANT_MODE for higher precision

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Use 1/256 for R6xx/7xx, 1/4096 for evergreen, instead of default 1/16.

Helps to pass some piglit tests (fbo, multisample).

Signed-off-by: Vadim Girlin <vadimgirlin@gmail.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit f44bda17f5)
This commit is contained in:
Vadim Girlin 2012-09-04 00:18:13 +04:00 • committed by Andreas Boll
parent 405d47bbe7
commit c586fce4fb
4 changed files with 24 additions and 2 deletions
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3
src/gallium/drivers/r600/evergreen_state.c
View file

@ -920,7 +920,8 @@ static void *evergreen_create_rs_state(struct pipe_context *ctx,
S_028C08_PIX_CENTER_HALF(state->gl_rasterization_rules));
} else {
r600_pipe_state_add_reg(rstate, R_028C08_PA_SU_VTX_CNTL,
S_028C08_PIX_CENTER_HALF(state->gl_rasterization_rules));
S_028C08_PIX_CENTER_HALF(state->gl_rasterization_rules) |
S_028C08_QUANT_MODE(V_028C08_X_1_4096TH));
}
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,

11
src/gallium/drivers/r600/evergreend.h
View file

@ -1955,6 +1955,17 @@
#define S_028C08_PIX_CENTER_HALF(x) (((x) & 0x1) << 0)
#define G_028C08_PIX_CENTER_HALF(x) (((x) >> 0) & 0x1)
#define C_028C08_PIX_CENTER_HALF 0xFFFFFFFE
#define S_028C08_QUANT_MODE(x) (((x) & 0x7) << 3)
#define G_028C08_QUANT_MODE(x) (((x) >> 3) & 0x7)
#define C_028C08_QUANT_MODE 0xFFFFFFC7
#define V_028C08_X_1_16TH 0x00
#define V_028C08_X_1_8TH 0x01
#define V_028C08_X_1_4TH 0x02
#define V_028C08_X_1_2 0x03
#define V_028C08_X_1 0x04
#define V_028C08_X_1_256TH 0x05
#define V_028C08_X_1_1024TH 0x06
#define V_028C08_X_1_4096TH 0x07
#define R_028C0C_PA_CL_GB_VERT_CLIP_ADJ 0x00028C0C
#define R_028C10_PA_CL_GB_VERT_DISC_ADJ 0x00028C10
#define R_028C14_PA_CL_GB_HORZ_CLIP_ADJ 0x00028C14

3
src/gallium/drivers/r600/r600_state.c
View file

@ -948,7 +948,8 @@ static void *r600_create_rs_state(struct pipe_context *ctx,
r600_pipe_state_add_reg(rstate, R_028A4C_PA_SC_MODE_CNTL, sc_mode_cntl);
r600_pipe_state_add_reg(rstate, R_028C08_PA_SU_VTX_CNTL,
S_028C08_PIX_CENTER_HALF(state->gl_rasterization_rules));
S_028C08_PIX_CENTER_HALF(state->gl_rasterization_rules) |
S_028C08_QUANT_MODE(V_028C08_X_1_256TH));
r600_pipe_state_add_reg(rstate, R_028DFC_PA_SU_POLY_OFFSET_CLAMP, fui(state->offset_clamp));
r600_pipe_state_add_reg(rstate, R_028814_PA_SU_SC_MODE_CNTL,

9
src/gallium/drivers/r600/r600d.h
View file

@ -2194,6 +2194,15 @@
#define S_028C08_PIX_CENTER_HALF(x) (((x) & 0x1) << 0)
#define G_028C08_PIX_CENTER_HALF(x) (((x) >> 0) & 0x1)
#define C_028C08_PIX_CENTER_HALF 0xFFFFFFFE
#define S_028C08_QUANT_MODE(x) (((x) & 0x7) << 3)
#define G_028C08_QUANT_MODE(x) (((x) >> 3) & 0x7)
#define C_028C08_QUANT_MODE 0xFFFFFFC7
#define V_028C08_X_1_16TH 0x00
#define V_028C08_X_1_8TH 0x01
#define V_028C08_X_1_4TH 0x02
#define V_028C08_X_1_2 0x03
#define V_028C08_X_1 0x04
#define V_028C08_X_1_256TH 0x05
#define R_028C1C_PA_SC_AA_SAMPLE_LOCS_MCTX 0x028C1C
#define R_028C48_PA_SC_AA_MASK 0x028C48
#define R_028810_PA_CL_CLIP_CNTL 0x028810