diff options
Diffstat (limited to 'src/gallium/drivers/nv30/nv30_fragtex.c')
| -rw-r--r-- | src/gallium/drivers/nv30/nv30_fragtex.c | 186 |
1 files changed, 186 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 00000000000..9e6f746a420 --- /dev/null +++ b/src/gallium/drivers/nv30/nv30_fragtex.c @@ -0,0 +1,186 @@ +#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,swsurf) \ +{ \ + 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), \ + swsurf \ +} + +struct nv30_texture_format { + boolean defined; + uint pipe; + int format; + int swizzle; + int swizzled_surface; +}; + +static struct nv30_texture_format +nv30_texture_formats[] = { + _(A8R8G8B8_UNORM, A8R8G8B8, S1, S1, S1, S1, X, Y, Z, W, 1), + _(A1R5G5B5_UNORM, A1R5G5B5, S1, S1, S1, S1, X, Y, Z, W, 1), + _(A4R4G4B4_UNORM, A4R4G4B4, S1, S1, S1, S1, X, Y, Z, W, 1), + _(R5G6B5_UNORM , R5G6B5 , S1, S1, S1, ONE, X, Y, Z, W, 1), + _(L8_UNORM , L8 , S1, S1, S1, ONE, X, X, X, X, 1), + _(A8_UNORM , L8 , ZERO, ZERO, ZERO, S1, X, X, X, X, 1), + _(I8_UNORM , L8 , S1, S1, S1, S1, X, X, X, X, 1), + _(A8L8_UNORM , A8L8 , S1, S1, S1, S1, X, X, X, Y, 1), +// _(Z16_UNORM , Z16 , S1, S1, S1, ONE, X, X, X, X, 0), +// _(Z24S8_UNORM , Z24 , S1, S1, S1, ONE, X, X, X, X, 0), + _(DXT1_RGB , DXT1 , S1, S1, S1, ONE, X, Y, Z, W, 0), + _(DXT1_RGBA , DXT1 , S1, S1, S1, S1, X, Y, Z, W, 0), + _(DXT3_RGBA , DXT3 , S1, S1, S1, S1, X, Y, Z, W, 0), + _(DXT5_RGBA , DXT5 , S1, S1, S1, S1, X, Y, Z, W, 0), + {}, +}; + +static struct nv30_texture_format * +nv30_fragtex_format(uint pipe_format) +{ + struct nv30_texture_format *tf = nv30_texture_formats; + char fs[128]; + + while (tf->defined) { + if (tf->pipe == pipe_format) + return tf; + tf++; + } + + NOUVEAU_ERR("unknown texture format %s\n", pf_name(pipe_format)); + return NULL; +} + + +static struct nouveau_stateobj * +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; + 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 = nv30_fragtex_format(pt->format); + if (!tf) + assert(0); + + tex_flags |= (tf->swizzled_surface ? NOUVEAU_BO_SWIZZLED : 0); + + txf = tf->format; + txf |= ((pt->last_level>0) ? NV34TCL_TX_FORMAT_MIPMAP : 0); + txf |= log2i(pt->width[0]) << 20; + txf |= log2i(pt->height[0]) << 24; + txf |= log2i(pt->depth[0]) << 28; + 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(16, 2); + so_method(so, nv30->screen->rankine, NV34TCL_TX_OFFSET(unit), 8); + so_reloc (so, nv30mt->buffer, 0, tex_flags | NOUVEAU_BO_LOW, 0, 0); + so_reloc (so, nv30mt->buffer, 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->width[0] << NV34TCL_TX_NPOT_SIZE_W_SHIFT) | + pt->height[0]); + so_data (so, ps->bcol); + + return so; +} + +static boolean +nv30_fragtex_validate(struct nv30_context *nv30) +{ + struct nv30_fragment_program *fp = nv30->fragprog; + struct nv30_state *state = &nv30->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, nv30->screen->rankine, NV34TCL_TX_ENABLE(unit), 1); + so_data (so, 0); + so_ref(so, &nv30->state.hw[NV30_STATE_FRAGTEX0 + unit]); + state->dirty |= (1ULL << (NV30_STATE_FRAGTEX0 + unit)); + } + + samplers = nv30->dirty_samplers & fp->samplers; + while (samplers) { + unit = ffs(samplers) - 1; + samplers &= ~(1 << unit); + + so = nv30_fragtex_build(nv30, unit); + so_ref(so, &nv30->state.hw[NV30_STATE_FRAGTEX0 + unit]); + state->dirty |= (1ULL << (NV30_STATE_FRAGTEX0 + unit)); + } + + nv30->state.fp_samplers = fp->samplers; + return FALSE; +} + +struct nv30_state_entry nv30_state_fragtex = { + .validate = nv30_fragtex_validate, + .dirty = { + .pipe = NV30_NEW_SAMPLER | NV30_NEW_FRAGPROG, + .hw = 0 + } +}; |