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#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),
_(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),
// _(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? */
unsigned tex_flags = NOUVEAU_BO_VRAM | NOUVEAU_BO_GART | NOUVEAU_BO_RD;
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>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;
}
txs = tf->swizzle;
BEGIN_RING(rankine, NV34TCL_TX_OFFSET(unit), 8);
OUT_RELOCl(nv30mt->buffer, 0, tex_flags | NOUVEAU_BO_LOW);
OUT_RELOCd(nv30mt->buffer,txf, tex_flags | NOUVEAU_BO_RD, 1/*VRAM*/,2/*TT*/);
OUT_RING (ps->wrap);
OUT_RING (NV34TCL_TX_ENABLE_ENABLE | ps->en);
OUT_RING (txs);
OUT_RING (ps->filt | 0x2000 /* magic */);
OUT_RING ((pt->width[0] << NV34TCL_TX_NPOT_SIZE_W_SHIFT) | 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;
}
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