diff options
Diffstat (limited to 'src/gallium/drivers/nv40/nv40_fragtex.c')
-rw-r--r-- | src/gallium/drivers/nv40/nv40_fragtex.c | 167 |
1 files changed, 167 insertions, 0 deletions
diff --git a/src/gallium/drivers/nv40/nv40_fragtex.c b/src/gallium/drivers/nv40/nv40_fragtex.c new file mode 100644 index 0000000000..c79ea8becb --- /dev/null +++ b/src/gallium/drivers/nv40/nv40_fragtex.c @@ -0,0 +1,167 @@ +#include "nv40_context.h" + +#define _(m,tf,ts0x,ts0y,ts0z,ts0w,ts1x,ts1y,ts1z,ts1w) \ +{ \ + TRUE, \ + PIPE_FORMAT_##m, \ + NV40TCL_TEX_FORMAT_FORMAT_##tf, \ + (NV40TCL_TEX_SWIZZLE_S0_X_##ts0x | NV40TCL_TEX_SWIZZLE_S0_Y_##ts0y | \ + NV40TCL_TEX_SWIZZLE_S0_Z_##ts0z | NV40TCL_TEX_SWIZZLE_S0_W_##ts0w | \ + NV40TCL_TEX_SWIZZLE_S1_X_##ts1x | NV40TCL_TEX_SWIZZLE_S1_Y_##ts1y | \ + NV40TCL_TEX_SWIZZLE_S1_Z_##ts1z | NV40TCL_TEX_SWIZZLE_S1_W_##ts1w), \ +} + +struct nv40_texture_format { + boolean defined; + uint pipe; + int format; + int swizzle; +}; + +static struct nv40_texture_format +nv40_texture_formats[] = { + _(A8R8G8B8_UNORM, A8R8G8B8, S1, S1, S1, S1, X, Y, Z, W), + _(A1R5G5B5_UNORM, A1R5G5B5, S1, S1, S1, S1, X, Y, Z, W), + _(A4R4G4B4_UNORM, A4R4G4B4, S1, S1, S1, S1, X, Y, Z, W), + _(R5G6B5_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), + _(A8L8_UNORM , A8L8 , S1, S1, S1, S1, X, X, X, Y), + _(Z16_UNORM , Z16 , S1, S1, S1, ONE, X, X, X, X), + _(Z24S8_UNORM , Z24 , 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 nv40_texture_format * +nv40_fragtex_format(uint pipe_format) +{ + struct nv40_texture_format *tf = nv40_texture_formats; + char fs[128]; + + while (tf->defined) { + if (tf->pipe == pipe_format) + return tf; + tf++; + } + + pf_sprint_name(fs, pipe_format); + NOUVEAU_ERR("unknown texture format %s\n", fs); + return NULL; +} + + +static struct nouveau_stateobj * +nv40_fragtex_build(struct nv40_context *nv40, int unit) +{ + struct nv40_sampler_state *ps = nv40->tex_sampler[unit]; + struct nv40_miptree *nv40mt = nv40->tex_miptree[unit]; + struct pipe_texture *pt = &nv40mt->base; + struct nv40_texture_format *tf; + struct nouveau_stateobj *so; + uint32_t txf, txs, txp; + int swizzled = 0; /*XXX: implement in region code? */ + 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 |= NV40TCL_TEX_FORMAT_NO_BORDER; + + switch (pt->target) { + case PIPE_TEXTURE_CUBE: + txf |= NV40TCL_TEX_FORMAT_CUBIC; + /* fall-through */ + case PIPE_TEXTURE_2D: + txf |= NV40TCL_TEX_FORMAT_DIMS_2D; + break; + case PIPE_TEXTURE_3D: + txf |= NV40TCL_TEX_FORMAT_DIMS_3D; + break; + case PIPE_TEXTURE_1D: + txf |= NV40TCL_TEX_FORMAT_DIMS_1D; + break; + default: + NOUVEAU_ERR("Unknown target %d\n", pt->target); + return NULL; + } + + if (swizzled) { + txp = 0; + } else { + txp = nv40mt->level[0].pitch; + txf |= NV40TCL_TEX_FORMAT_LINEAR; + } + + txs = tf->swizzle; + + so = so_new(16, 2); + so_method(so, nv40->screen->curie, NV40TCL_TEX_OFFSET(unit), 8); + so_reloc (so, nv40mt->buffer, 0, tex_flags | NOUVEAU_BO_LOW, 0, 0); + so_reloc (so, nv40mt->buffer, txf, tex_flags | NOUVEAU_BO_OR, + NV40TCL_TEX_FORMAT_DMA0, NV40TCL_TEX_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 | 0x2000 /*voodoo*/); + so_data (so, (pt->width[0] << NV40TCL_TEX_SIZE0_W_SHIFT) | + pt->height[0]); + so_data (so, ps->bcol); + so_method(so, nv40->screen->curie, NV40TCL_TEX_SIZE1(unit), 1); + so_data (so, (pt->depth[0] << NV40TCL_TEX_SIZE1_DEPTH_SHIFT) | txp); + + return so; +} + +static boolean +nv40_fragtex_validate(struct nv40_context *nv40) +{ + struct nv40_fragment_program *fp = nv40->fragprog; + struct nv40_state *state = &nv40->state; + struct nouveau_stateobj *so; + unsigned samplers, unit; + + samplers = state->fp_samplers & ~fp->samplers; + while (samplers) { + unit = ffs(samplers) - 1; + samplers &= ~(1 << unit); + + so = so_new(2, 0); + so_method(so, nv40->screen->curie, NV40TCL_TEX_ENABLE(unit), 1); + so_data (so, 0); + so_ref(so, &nv40->state.hw[NV40_STATE_FRAGTEX0 + unit]); + state->dirty |= (1ULL << (NV40_STATE_FRAGTEX0 + unit)); + } + + samplers = nv40->dirty_samplers & fp->samplers; + while (samplers) { + unit = ffs(samplers) - 1; + samplers &= ~(1 << unit); + + so = nv40_fragtex_build(nv40, unit); + so_ref(so, &nv40->state.hw[NV40_STATE_FRAGTEX0 + unit]); + state->dirty |= (1ULL << (NV40_STATE_FRAGTEX0 + unit)); + } + + nv40->state.fp_samplers = fp->samplers; + return FALSE; +} + +struct nv40_state_entry nv40_state_fragtex = { + .validate = nv40_fragtex_validate, + .dirty = { + .pipe = NV40_NEW_SAMPLER | NV40_NEW_FRAGPROG, + .hw = 0 + } +}; + |