diff options
author | Pekka Paalanen <pq@iki.fi> | 2008-11-08 17:04:45 +0200 |
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committer | Pekka Paalanen <pq@iki.fi> | 2008-11-08 17:04:45 +0200 |
commit | 0344b0e32e397ebcc6ed236295eb9b6a06a0dae2 (patch) | |
tree | 1f35fe60193fbe32a43d922f3f0e57db18b457d2 /src/gallium/drivers/nv20/nv10_fragtex.c | |
parent | 3354e668f0d4eb7ad1d92607031c1fc2e785e8d1 (diff) |
Nouveau: start nv20 by copying the nv10 tree.
Signed-off-by: Pekka Paalanen <pq@iki.fi>
Diffstat (limited to 'src/gallium/drivers/nv20/nv10_fragtex.c')
-rw-r--r-- | src/gallium/drivers/nv20/nv10_fragtex.c | 149 |
1 files changed, 149 insertions, 0 deletions
diff --git a/src/gallium/drivers/nv20/nv10_fragtex.c b/src/gallium/drivers/nv20/nv10_fragtex.c new file mode 100644 index 0000000000..238634d0bb --- /dev/null +++ b/src/gallium/drivers/nv20/nv10_fragtex.c @@ -0,0 +1,149 @@ +#include "nv10_context.h" + +static INLINE int log2i(int i) +{ + int r = 0; + + if (i & 0xffff0000) { + i >>= 16; + r += 16; + } + if (i & 0x0000ff00) { + i >>= 8; + r += 8; + } + if (i & 0x000000f0) { + i >>= 4; + r += 4; + } + if (i & 0x0000000c) { + i >>= 2; + r += 2; + } + if (i & 0x00000002) { + r += 1; + } + return r; +} + +#define _(m,tf) \ +{ \ + TRUE, \ + PIPE_FORMAT_##m, \ + NV10TCL_TX_FORMAT_FORMAT_##tf, \ +} + +struct nv10_texture_format { + boolean defined; + uint pipe; + int format; +}; + +static struct nv10_texture_format +nv10_texture_formats[] = { + _(A8R8G8B8_UNORM, A8R8G8B8), + _(A1R5G5B5_UNORM, A1R5G5B5), + _(A4R4G4B4_UNORM, A4R4G4B4), + _(L8_UNORM , L8 ), + _(A8_UNORM , A8 ), + _(A8L8_UNORM , A8L8 ), +// _(RGB_DXT1 , DXT1, ), +// _(RGBA_DXT1 , DXT1, ), +// _(RGBA_DXT3 , DXT3, ), +// _(RGBA_DXT5 , DXT5, ), + {}, +}; + +static struct nv10_texture_format * +nv10_fragtex_format(uint pipe_format) +{ + struct nv10_texture_format *tf = nv10_texture_formats; + + while (tf->defined) { + if (tf->pipe == pipe_format) + return tf; + tf++; + } + + return NULL; +} + + +static void +nv10_fragtex_build(struct nv10_context *nv10, int unit) +{ +#if 0 + struct nv10_sampler_state *ps = nv10->tex_sampler[unit]; + struct nv10_miptree *nv10mt = nv10->tex_miptree[unit]; + struct pipe_texture *pt = &nv10mt->base; + struct nv10_texture_format *tf; + uint32_t txf, txs, txp; + + tf = nv10_fragtex_format(pt->format); + if (!tf || !tf->defined) { + NOUVEAU_ERR("Unsupported texture format: 0x%x\n", pt->format); + return; + } + + txf = tf->format << 8; + txf |= (pt->last_level + 1) << 16; + txf |= log2i(pt->width[0]) << 20; + txf |= log2i(pt->height[0]) << 24; + txf |= log2i(pt->depth[0]) << 28; + txf |= 8; + + switch (pt->target) { + case PIPE_TEXTURE_CUBE: + txf |= NV10TCL_TX_FORMAT_CUBE_MAP; + /* fall-through */ + case PIPE_TEXTURE_2D: + txf |= (2<<4); + break; + case PIPE_TEXTURE_1D: + txf |= (1<<4); + break; + default: + NOUVEAU_ERR("Unknown target %d\n", pt->target); + return; + } + + BEGIN_RING(celsius, NV10TCL_TX_OFFSET(unit), 8); + OUT_RELOCl(nv10mt->buffer, 0, NOUVEAU_BO_VRAM | NOUVEAU_BO_GART | NOUVEAU_BO_RD); + OUT_RELOCd(nv10mt->buffer,txf,NOUVEAU_BO_VRAM | NOUVEAU_BO_GART | NOUVEAU_BO_OR | NOUVEAU_BO_RD, 1/*VRAM*/,2/*TT*/); + OUT_RING (ps->wrap); + OUT_RING (0x40000000); /* enable */ + OUT_RING (txs); + OUT_RING (ps->filt | 0x2000 /* magic */); + OUT_RING ((pt->width[0] << 16) | pt->height[0]); + OUT_RING (ps->bcol); +#endif +} + +void +nv10_fragtex_bind(struct nv10_context *nv10) +{ +#if 0 + struct nv10_fragment_program *fp = nv10->fragprog.active; + unsigned samplers, unit; + + samplers = nv10->fp_samplers & ~fp->samplers; + while (samplers) { + unit = ffs(samplers) - 1; + samplers &= ~(1 << unit); + + BEGIN_RING(celsius, NV10TCL_TX_ENABLE(unit), 1); + OUT_RING (0); + } + + samplers = nv10->dirty_samplers & fp->samplers; + while (samplers) { + unit = ffs(samplers) - 1; + samplers &= ~(1 << unit); + + nv10_fragtex_build(nv10, unit); + } + + nv10->fp_samplers = fp->samplers; +#endif +} + |