diff options
Diffstat (limited to 'src/gallium/drivers/nv30/nv30_fragtex.c')
| -rw-r--r-- | src/gallium/drivers/nv30/nv30_fragtex.c | 160 |
1 files changed, 160 insertions, 0 deletions
diff --git a/src/gallium/drivers/nv30/nv30_fragtex.c b/src/gallium/drivers/nv30/nv30_fragtex.c new file mode 100644 index 0000000000..45ee6db8d6 --- /dev/null +++ b/src/gallium/drivers/nv30/nv30_fragtex.c @@ -0,0 +1,160 @@ +#include "nv30_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,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[] = { + _(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), + _(U_L8 , L8 , S1, S1, S1, ONE, X, X, X, X), + _(U_A8 , L8 , ZERO, ZERO, ZERO, S1, X, X, X, X), + _(U_I8 , L8 , S1, S1, S1, S1, X, X, X, X), + _(U_A8_L8 , 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), +// _(RGB_DXT1 , 0x86, S1, S1, S1, ONE, X, Y, Z, W, 0x00, 0x00), +// _(RGBA_DXT1 , 0x86, S1, S1, S1, S1, X, Y, Z, W, 0x00, 0x00), +// _(RGBA_DXT3 , 0x87, S1, S1, S1, S1, X, Y, Z, W, 0x00, 0x00), +// _(RGBA_DXT5 , 0x88, S1, S1, S1, S1, X, Y, Z, W, 0x00, 0x00), + {}, +}; + +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++; + } + + return NULL; +} + + +static void +nv30_fragtex_build(struct nv30_context *nv30, int unit) +{ + struct nv30_sampler_state *ps = nv30->tex_sampler[unit]; + struct nv30_miptree *nv30mt = nv30->tex_miptree[unit]; + struct pipe_texture *pt = &nv30mt->base; + struct nv30_texture_format *tf; + uint32_t txf, txs, txp; + int swizzled = 0; /*XXX: implement in region code? */ + + tf = nv30_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 |= NV34TCL_TEX_FORMAT_CUBIC;*/ + /* fall-through */ + case PIPE_TEXTURE_2D: + txf |= (2<<4); + break; + case PIPE_TEXTURE_3D: + txf |= (3<<4); + break; + case PIPE_TEXTURE_1D: + txf |= (1<<4); + break; + default: + NOUVEAU_ERR("Unknown target %d\n", pt->target); + return; + } + + txs = tf->swizzle; + + BEGIN_RING(rankine, NV34TCL_TX_OFFSET(unit), 8); + OUT_RELOCl(nv30mt->buffer, 0, NOUVEAU_BO_VRAM | NOUVEAU_BO_GART | NOUVEAU_BO_RD); + OUT_RELOCd(nv30mt->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); +} + +void +nv30_fragtex_bind(struct nv30_context *nv30) +{ + struct nv30_fragment_program *fp = nv30->fragprog.active; + unsigned samplers, unit; + + samplers = nv30->fp_samplers & ~fp->samplers; + while (samplers) { + unit = ffs(samplers) - 1; + samplers &= ~(1 << unit); + + BEGIN_RING(rankine, NV34TCL_TX_ENABLE(unit), 1); + OUT_RING (0); + } + + samplers = nv30->dirty_samplers & fp->samplers; + while (samplers) { + unit = ffs(samplers) - 1; + samplers &= ~(1 << unit); + + nv30_fragtex_build(nv30, unit); + } + + nv30->fp_samplers = fp->samplers; +} + |