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r600g: Evergreen has two extra frac_bits for the sampler LOD state.

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The (piglit) mipmap_limits test shows the issue very clearly.
This commit is contained in:
Henri Verbeet 2010-11-15 22:18:12 +01:00
parent da8c877733
commit aa3113ae20
1 changed files with 3 additions and 3 deletions
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6
src/gallium/drivers/r600/evergreen_state.c
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@ -323,11 +323,11 @@ static void *evergreen_create_sampler_state(struct pipe_context *ctx,
S_03C000_BORDER_COLOR_TYPE(uc.ui ? V_03C000_SQ_TEX_BORDER_COLOR_REGISTER : 0), 0xFFFFFFFF, NULL);
/* FIXME LOD it depends on texture base level ... */
r600_pipe_state_add_reg(rstate, R_03C004_SQ_TEX_SAMPLER_WORD1_0,
S_03C004_MIN_LOD(S_FIXED(CLAMP(state->min_lod, 0, 15), 6)) |
S_03C004_MAX_LOD(S_FIXED(CLAMP(state->max_lod, 0, 15), 6)),
S_03C004_MIN_LOD(S_FIXED(CLAMP(state->min_lod, 0, 15), 8)) |
S_03C004_MAX_LOD(S_FIXED(CLAMP(state->max_lod, 0, 15), 8)),
0xFFFFFFFF, NULL);
r600_pipe_state_add_reg(rstate, R_03C008_SQ_TEX_SAMPLER_WORD2_0,
S_03C008_LOD_BIAS(S_FIXED(CLAMP(state->lod_bias, -16, 16), 6)) |
S_03C008_LOD_BIAS(S_FIXED(CLAMP(state->lod_bias, -16, 16), 8)) |
S_03C008_TYPE(1),
0xFFFFFFFF, NULL);