diff options
Diffstat (limited to 'src/gallium/drivers/nvfx/nv40_fragtex.c')
| -rw-r--r-- | src/gallium/drivers/nvfx/nv40_fragtex.c | 174 |
1 files changed, 174 insertions, 0 deletions
diff --git a/src/gallium/drivers/nvfx/nv40_fragtex.c b/src/gallium/drivers/nvfx/nv40_fragtex.c new file mode 100644 index 00000000000..5889b5e40d5 --- /dev/null +++ b/src/gallium/drivers/nvfx/nv40_fragtex.c @@ -0,0 +1,174 @@ +#include "util/u_format.h" +#include "nvfx_context.h" +#include "nvfx_tex.h" + +void +nv40_sampler_state_init(struct pipe_context *pipe, + struct nvfx_sampler_state *ps, + const struct pipe_sampler_state *cso) +{ + if (cso->max_anisotropy >= 2) { + /* no idea, binary driver sets it, works without it.. meh.. */ + ps->wrap |= (1 << 5); + + if (cso->max_anisotropy >= 16) { + ps->en |= NV40TCL_TEX_ENABLE_ANISO_16X; + } else + if (cso->max_anisotropy >= 12) { + ps->en |= NV40TCL_TEX_ENABLE_ANISO_12X; + } else + if (cso->max_anisotropy >= 10) { + ps->en |= NV40TCL_TEX_ENABLE_ANISO_10X; + } else + if (cso->max_anisotropy >= 8) { + ps->en |= NV40TCL_TEX_ENABLE_ANISO_8X; + } else + if (cso->max_anisotropy >= 6) { + ps->en |= NV40TCL_TEX_ENABLE_ANISO_6X; + } else + if (cso->max_anisotropy >= 4) { + ps->en |= NV40TCL_TEX_ENABLE_ANISO_4X; + } else { + ps->en |= NV40TCL_TEX_ENABLE_ANISO_2X; + } + } + + { + float limit; + + limit = CLAMP(cso->lod_bias, -16.0, 15.0); + ps->filt |= (int)(cso->lod_bias * 256.0) & 0x1fff; + + limit = CLAMP(cso->max_lod, 0.0, 15.0); + ps->en |= (int)(limit * 256.0) << 7; + + limit = CLAMP(cso->min_lod, 0.0, 15.0); + ps->en |= (int)(limit * 256.0) << 19; + } +} + +#define _(m,tf,ts0x,ts0y,ts0z,ts0w,ts1x,ts1y,ts1z,ts1w,sx,sy,sz,sw) \ +{ \ + TRUE, \ + PIPE_FORMAT_##m, \ + NV40TCL_TEX_FORMAT_FORMAT_##tf, \ + (NV34TCL_TX_SWIZZLE_S0_X_##ts0x | NV34TCL_TX_SWIZZLE_S0_Y_##ts0y | \ + NV34TCL_TX_SWIZZLE_S0_Z_##ts0z | NV34TCL_TX_SWIZZLE_S0_W_##ts0w | \ + NV34TCL_TX_SWIZZLE_S1_X_##ts1x | NV34TCL_TX_SWIZZLE_S1_Y_##ts1y | \ + NV34TCL_TX_SWIZZLE_S1_Z_##ts1z | NV34TCL_TX_SWIZZLE_S1_W_##ts1w), \ + ((NV34TCL_TX_FILTER_SIGNED_RED*sx) | (NV34TCL_TX_FILTER_SIGNED_GREEN*sy) | \ + (NV34TCL_TX_FILTER_SIGNED_BLUE*sz) | (NV34TCL_TX_FILTER_SIGNED_ALPHA*sw)) \ +} + +struct nv40_texture_format { + boolean defined; + uint pipe; + int format; + int swizzle; + int sign; +}; + +static struct nv40_texture_format +nv40_texture_formats[] = { + _(B8G8R8X8_UNORM, A8R8G8B8, S1, S1, S1, ONE, X, Y, Z, W, 0, 0, 0, 0), + _(B8G8R8A8_UNORM, A8R8G8B8, S1, S1, S1, S1, X, Y, Z, W, 0, 0, 0, 0), + _(B5G5R5A1_UNORM, A1R5G5B5, S1, S1, S1, S1, X, Y, Z, W, 0, 0, 0, 0), + _(B4G4R4A4_UNORM, A4R4G4B4, S1, S1, S1, S1, X, Y, Z, W, 0, 0, 0, 0), + _(B5G6R5_UNORM , R5G6B5 , S1, S1, S1, ONE, X, Y, Z, W, 0, 0, 0, 0), + _(L8_UNORM , L8 , S1, S1, S1, ONE, X, X, X, X, 0, 0, 0, 0), + _(A8_UNORM , L8 , ZERO, ZERO, ZERO, S1, X, X, X, X, 0, 0, 0, 0), + _(R16_SNORM , A16 , ZERO, ZERO, S1, ONE, X, X, X, Y, 1, 1, 1, 1), + _(I8_UNORM , L8 , S1, S1, S1, S1, X, X, X, X, 0, 0, 0, 0), + _(L8A8_UNORM , A8L8 , S1, S1, S1, S1, X, X, X, Y, 0, 0, 0, 0), + _(Z16_UNORM , Z16 , S1, S1, S1, ONE, X, X, X, X, 0, 0, 0, 0), + _(S8Z24_UNORM , Z24 , S1, S1, S1, ONE, X, X, X, X, 0, 0, 0, 0), + _(DXT1_RGB , DXT1 , S1, S1, S1, ONE, X, Y, Z, W, 0, 0, 0, 0), + _(DXT1_RGBA , DXT1 , S1, S1, S1, S1, X, Y, Z, W, 0, 0, 0, 0), + _(DXT3_RGBA , DXT3 , S1, S1, S1, S1, X, Y, Z, W, 0, 0, 0, 0), + _(DXT5_RGBA , DXT5 , S1, S1, S1, S1, X, Y, Z, W, 0, 0, 0, 0), + {}, +}; + +static struct nv40_texture_format * +nv40_fragtex_format(uint pipe_format) +{ + struct nv40_texture_format *tf = nv40_texture_formats; + + while (tf->defined) { + if (tf->pipe == pipe_format) + return tf; + tf++; + } + + NOUVEAU_ERR("unknown texture format %s\n", util_format_name(pipe_format)); + return NULL; +} + + +struct nouveau_stateobj * +nv40_fragtex_build(struct nvfx_context *nvfx, int unit) +{ + struct nvfx_sampler_state *ps = nvfx->tex_sampler[unit]; + struct nvfx_miptree *nv40mt = nvfx->tex_miptree[unit]; + struct nouveau_bo *bo = nouveau_bo(nv40mt->buffer); + struct pipe_texture *pt = &nv40mt->base; + struct nv40_texture_format *tf; + struct nouveau_stateobj *so; + uint32_t txf, txs, txp; + unsigned tex_flags = NOUVEAU_BO_VRAM | NOUVEAU_BO_GART | NOUVEAU_BO_RD; + + tf = nv40_fragtex_format(pt->format); + if (!tf) + assert(0); + + txf = ps->fmt; + txf |= tf->format | 0x8000; + txf |= ((pt->last_level + 1) << NV40TCL_TEX_FORMAT_MIPMAP_COUNT_SHIFT); + + if (1) /* XXX */ + txf |= NV34TCL_TX_FORMAT_NO_BORDER; + + switch (pt->target) { + case PIPE_TEXTURE_CUBE: + txf |= NV34TCL_TX_FORMAT_CUBIC; + /* fall-through */ + case PIPE_TEXTURE_2D: + txf |= NV34TCL_TX_FORMAT_DIMS_2D; + break; + case PIPE_TEXTURE_3D: + txf |= NV34TCL_TX_FORMAT_DIMS_3D; + break; + case PIPE_TEXTURE_1D: + txf |= NV34TCL_TX_FORMAT_DIMS_1D; + break; + default: + NOUVEAU_ERR("Unknown target %d\n", pt->target); + return NULL; + } + + if (!(pt->tex_usage & NOUVEAU_TEXTURE_USAGE_LINEAR)) { + txp = 0; + } else { + txp = nv40mt->level[0].pitch; + txf |= NV40TCL_TEX_FORMAT_LINEAR; + } + + txs = tf->swizzle; + + so = so_new(2, 9, 2); + so_method(so, nvfx->screen->eng3d, NV34TCL_TX_OFFSET(unit), 8); + so_reloc (so, bo, 0, tex_flags | NOUVEAU_BO_LOW, 0, 0); + so_reloc (so, bo, txf, tex_flags | NOUVEAU_BO_OR, + NV34TCL_TX_FORMAT_DMA0, NV34TCL_TX_FORMAT_DMA1); + so_data (so, ps->wrap); + so_data (so, NV40TCL_TEX_ENABLE_ENABLE | ps->en); + so_data (so, txs); + so_data (so, ps->filt | tf->sign | 0x2000 /*voodoo*/); + so_data (so, (pt->width0 << NV34TCL_TX_NPOT_SIZE_W_SHIFT) | + pt->height0); + so_data (so, ps->bcol); + so_method(so, nvfx->screen->eng3d, NV40TCL_TEX_SIZE1(unit), 1); + so_data (so, (pt->depth0 << NV40TCL_TEX_SIZE1_DEPTH_SHIFT) | txp); + + return so; +} |