diff options
Diffstat (limited to 'src/gallium/drivers/nv40/nv40_fragtex.c')
| -rw-r--r-- | src/gallium/drivers/nv40/nv40_fragtex.c | 151 |
1 files changed, 151 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 00000000000..5af5fbe7465 --- /dev/null +++ b/src/gallium/drivers/nv40/nv40_fragtex.c @@ -0,0 +1,151 @@ +#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), + _(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 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++; + } + + return NULL; +} + + +static void +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; + } + + 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->hw->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->hw->curie, NV40TCL_TEX_SIZE1(unit), 1); + so_data (so, (pt->depth[0] << NV40TCL_TEX_SIZE1_DEPTH_SHIFT) | txp); + + so_emit(nv40->nvws, so); + so_ref (so, &nv40->so_fragtex[unit]); + so_ref (NULL, &so); +} + +void +nv40_fragtex_bind(struct nv40_context *nv40) +{ + struct nv40_fragment_program *fp = nv40->fragprog.active; + unsigned samplers, unit; + + samplers = nv40->fp_samplers & ~fp->samplers; + while (samplers) { + unit = ffs(samplers) - 1; + samplers &= ~(1 << unit); + + so_ref(NULL, &nv40->so_fragtex[unit]); + BEGIN_RING(curie, NV40TCL_TEX_ENABLE(unit), 1); + OUT_RING (0); + } + + samplers = nv40->dirty_samplers & fp->samplers; + while (samplers) { + unit = ffs(samplers) - 1; + samplers &= ~(1 << unit); + + nv40_fragtex_build(nv40, unit); + } + + nv40->fp_samplers = fp->samplers; +} + |