diff options
| author | Christoph Bumiller <e0425955@student.tuwien.ac.at> | 2009-10-22 22:57:30 +0200 |
|---|---|---|
| committer | Christoph Bumiller <e0425955@student.tuwien.ac.at> | 2009-10-22 23:05:12 +0200 |
| commit | 198925caa18526e5aa908ab50482aff814207dc2 (patch) | |
| tree | b388bfdefa1d582f59378ac4ed5ec412a421ecaa | |
| parent | 4b8de9bd7c6f77fcf3f1f2b939bab980e074e8bf (diff) | |
nv50: handle PIPE_TEX_FILTER_ANISO case
Set the same bits as for linear filtering (in addition
to max anisotropy), and 2 unknown bits I've seen set.
| -rw-r--r-- | src/gallium/drivers/nv50/nv50_state.c | 26 | ||||
| -rw-r--r-- | src/gallium/drivers/nv50/nv50_texture.h | 2 |
2 files changed, 13 insertions, 15 deletions
diff --git a/src/gallium/drivers/nv50/nv50_state.c b/src/gallium/drivers/nv50/nv50_state.c index 81fa3e34c5..ffaa5e29d1 100644 --- a/src/gallium/drivers/nv50/nv50_state.c +++ b/src/gallium/drivers/nv50/nv50_state.c @@ -146,6 +146,7 @@ nv50_sampler_state_create(struct pipe_context *pipe, (wrap_mode(cso->wrap_r) << 6)); switch (cso->mag_img_filter) { + case PIPE_TEX_FILTER_ANISO: case PIPE_TEX_FILTER_LINEAR: tsc[1] |= NV50TSC_1_1_MAGF_LINEAR; break; @@ -156,6 +157,7 @@ nv50_sampler_state_create(struct pipe_context *pipe, } switch (cso->min_img_filter) { + case PIPE_TEX_FILTER_ANISO: case PIPE_TEX_FILTER_LINEAR: tsc[1] |= NV50TSC_1_1_MINF_LINEAR; break; @@ -183,21 +185,15 @@ nv50_sampler_state_create(struct pipe_context *pipe, else if (cso->max_anisotropy >= 12.0) tsc[0] |= (6 << 20); - else - if (cso->max_anisotropy >= 10.0) - tsc[0] |= (5 << 20); - else - if (cso->max_anisotropy >= 8.0) - tsc[0] |= (4 << 20); - else - if (cso->max_anisotropy >= 6.0) - tsc[0] |= (3 << 20); - else - if (cso->max_anisotropy >= 4.0) - tsc[0] |= (2 << 20); - else - if (cso->max_anisotropy >= 2.0) - tsc[0] |= (1 << 20); + else { + tsc[0] |= (int)(cso->max_anisotropy * 0.5f) << 20; + + if (cso->max_anisotropy >= 4.0) + tsc[1] |= NV50TSC_1_1_UNKN_ANISO_35; + else + if (cso->max_anisotropy >= 2.0) + tsc[1] |= NV50TSC_1_1_UNKN_ANISO_15; + } if (cso->compare_mode == PIPE_TEX_COMPARE_R_TO_TEXTURE) { tsc[0] |= (1 << 8); diff --git a/src/gallium/drivers/nv50/nv50_texture.h b/src/gallium/drivers/nv50/nv50_texture.h index 207fb039f7..13f74c11c6 100644 --- a/src/gallium/drivers/nv50/nv50_texture.h +++ b/src/gallium/drivers/nv50/nv50_texture.h @@ -133,6 +133,8 @@ #define NV50TSC_1_1_MIPF_NEAREST 0x00000080 #define NV50TSC_1_1_MIPF_LINEAR 0x000000c0 #define NV50TSC_1_1_LOD_BIAS_MASK 0x01fff000 +#define NV50TSC_1_1_UNKN_ANISO_15 0x10000000 +#define NV50TSC_1_1_UNKN_ANISO_35 0x18000000 #define NV50TSC_1_2_MIN_LOD_MASK 0x00000f00 #define NV50TSC_1_2_MAX_LOD_MASK 0x00f00000 |