diff options
Diffstat (limited to 'src/gallium/drivers/nvfx/nv30_fragtex.c')
| -rw-r--r-- | src/gallium/drivers/nvfx/nv30_fragtex.c | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/src/gallium/drivers/nvfx/nv30_fragtex.c b/src/gallium/drivers/nvfx/nv30_fragtex.c new file mode 100644 index 00000000000..2b56f454921 --- /dev/null +++ b/src/gallium/drivers/nvfx/nv30_fragtex.c @@ -0,0 +1,147 @@ +#include "util/u_format.h" + +#include "nvfx_context.h" +#include "nouveau/nouveau_util.h" +#include "nvfx_tex.h" + +void +nv30_sampler_state_init(struct pipe_context *pipe, + struct nvfx_sampler_state *ps, + const struct pipe_sampler_state *cso) +{ + if (cso->max_anisotropy >= 8) { + ps->en |= NV34TCL_TX_ENABLE_ANISO_8X; + } else + if (cso->max_anisotropy >= 4) { + ps->en |= NV34TCL_TX_ENABLE_ANISO_4X; + } else + if (cso->max_anisotropy >= 2) { + ps->en |= NV34TCL_TX_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) << 14 /*NV34TCL_TX_ENABLE_MIPMAP_MAX_LOD_SHIFT*/; + + limit = CLAMP(cso->min_lod, 0.0, 15.0); + ps->en |= (int)(limit) << 26 /*NV34TCL_TX_ENABLE_MIPMAP_MIN_LOD_SHIFT*/; + } +} + +#define _(m,tf,ts0x,ts0y,ts0z,ts0w,ts1x,ts1y,ts1z,ts1w) \ +{ \ + TRUE, \ + PIPE_FORMAT_##m, \ + NV34TCL_TX_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) \ +} + +struct nv30_texture_format { + boolean defined; + uint pipe; + int format; + int swizzle; +}; + +static struct nv30_texture_format +nv30_texture_formats[] = { + _(B8G8R8X8_UNORM, A8R8G8B8, S1, S1, S1, ONE, X, Y, Z, W), + _(B8G8R8A8_UNORM, A8R8G8B8, S1, S1, S1, S1, X, Y, Z, W), + _(B5G5R5A1_UNORM, A1R5G5B5, S1, S1, S1, S1, X, Y, Z, W), + _(B4G4R4A4_UNORM, A4R4G4B4, S1, S1, S1, S1, X, Y, Z, W), + _(B5G6R5_UNORM , R5G6B5 , S1, S1, S1, ONE, X, Y, Z, W), + _(L8_UNORM , L8 , S1, S1, S1, ONE, X, X, X, X), + _(A8_UNORM , L8 , ZERO, ZERO, ZERO, S1, X, X, X, X), + _(I8_UNORM , L8 , S1, S1, S1, S1, X, X, X, X), + _(L8A8_UNORM , A8L8 , S1, S1, S1, S1, X, X, X, Y), + _(Z16_UNORM , R5G6B5 , S1, S1, S1, ONE, X, X, X, X), + _(S8Z24_UNORM , A8R8G8B8, S1, S1, S1, ONE, X, X, X, X), + _(DXT1_RGB , DXT1 , S1, S1, S1, ONE, X, Y, Z, W), + _(DXT1_RGBA , DXT1 , S1, S1, S1, S1, X, Y, Z, W), + _(DXT3_RGBA , DXT3 , S1, S1, S1, S1, X, Y, Z, W), + _(DXT5_RGBA , DXT5 , S1, S1, S1, S1, X, Y, Z, W), + {}, +}; + +static struct nv30_texture_format * +nv30_fragtex_format(uint pipe_format) +{ + struct nv30_texture_format *tf = nv30_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 * +nv30_fragtex_build(struct nvfx_context *nvfx, int unit) +{ + struct nvfx_sampler_state *ps = nvfx->tex_sampler[unit]; + struct nvfx_miptree *nv30mt = nvfx->tex_miptree[unit]; + struct pipe_texture *pt = &nv30mt->base; + struct nouveau_bo *bo = nouveau_bo(nv30mt->buffer); + struct nv30_texture_format *tf; + struct nouveau_stateobj *so; + uint32_t txf, txs; + unsigned tex_flags = NOUVEAU_BO_VRAM | NOUVEAU_BO_GART | NOUVEAU_BO_RD; + + tf = nv30_fragtex_format(pt->format); + if (!tf) + return NULL; + + txf = tf->format; + txf |= ((pt->last_level>0) ? NV34TCL_TX_FORMAT_MIPMAP : 0); + txf |= log2i(pt->width0) << NV34TCL_TX_FORMAT_BASE_SIZE_U_SHIFT; + txf |= log2i(pt->height0) << NV34TCL_TX_FORMAT_BASE_SIZE_V_SHIFT; + txf |= log2i(pt->depth0) << NV34TCL_TX_FORMAT_BASE_SIZE_W_SHIFT; + txf |= NV34TCL_TX_FORMAT_NO_BORDER | 0x10000; + + 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; + } + + txs = tf->swizzle; + + so = so_new(1, 8, 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, NV34TCL_TX_ENABLE_ENABLE | ps->en); + so_data (so, txs); + so_data (so, ps->filt | 0x2000 /*voodoo*/); + so_data (so, (pt->width0 << NV34TCL_TX_NPOT_SIZE_W_SHIFT) | + pt->height0); + so_data (so, ps->bcol); + + return so; +} |