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#include "util/u_format.h"
#include "nvfx_context.h"
#include "nouveau/nouveau_util.h"
#include "nvfx_tex.h"
#include "nvfx_resource.h"
void
nv30_sampler_state_init(struct pipe_context *pipe,
struct nvfx_sampler_state *ps,
const struct pipe_sampler_state *cso)
{
if (cso->max_anisotropy >= 8) {
ps->en |= NV34TCL_TX_ENABLE_ANISO_8X;
} else
if (cso->max_anisotropy >= 4) {
ps->en |= NV34TCL_TX_ENABLE_ANISO_4X;
} else
if (cso->max_anisotropy >= 2) {
ps->en |= NV34TCL_TX_ENABLE_ANISO_2X;
}
{
float limit;
limit = CLAMP(cso->lod_bias, -16.0, 15.0);
ps->filt |= (int)(cso->lod_bias * 256.0) & 0x1fff;
limit = CLAMP(cso->max_lod, 0.0, 15.0);
ps->en |= (int)(limit) << 14 /*NV34TCL_TX_ENABLE_MIPMAP_MAX_LOD_SHIFT*/;
limit = CLAMP(cso->min_lod, 0.0, 15.0);
ps->en |= (int)(limit) << 26 /*NV34TCL_TX_ENABLE_MIPMAP_MIN_LOD_SHIFT*/;
}
}
#define _(m,tf,ts0x,ts0y,ts0z,ts0w,ts1x,ts1y,ts1z,ts1w) \
[PIPE_FORMAT_##m] = { \
NV34TCL_TX_FORMAT_FORMAT_##tf, \
NV34TCL_TX_FORMAT_FORMAT_##tf##_RECT, \
(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 {
int format;
int rect_format;
int swizzle;
};
#define NV34TCL_TX_FORMAT_FORMAT_DXT1_RECT NV34TCL_TX_FORMAT_FORMAT_DXT1
#define NV34TCL_TX_FORMAT_FORMAT_DXT3_RECT NV34TCL_TX_FORMAT_FORMAT_DXT3
#define NV34TCL_TX_FORMAT_FORMAT_DXT5_RECT NV34TCL_TX_FORMAT_FORMAT_DXT5
static struct nv30_texture_format
nv30_texture_formats[PIPE_FORMAT_COUNT] = {
[0 ... PIPE_FORMAT_COUNT - 1] = {-1, 0, 0},
_(B8G8R8X8_UNORM, A8R8G8B8, S1, S1, S1, ONE, X, Y, Z, W),
_(B8G8R8A8_UNORM, A8R8G8B8, S1, S1, S1, S1, X, Y, Z, W),
_(B5G5R5A1_UNORM, A1R5G5B5, S1, S1, S1, S1, X, Y, Z, W),
_(B4G4R4A4_UNORM, A4R4G4B4, S1, S1, S1, S1, X, Y, Z, W),
_(B5G6R5_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),
_(L8A8_UNORM , A8L8 , S1, S1, S1, S1, X, X, X, Y),
_(Z16_UNORM , R5G6B5 , S1, S1, S1, ONE, X, X, X, X),
_(S8_USCALED_Z24_UNORM , A8R8G8B8, S1, S1, S1, ONE, X, X, X, X),
_(DXT1_RGB , DXT1 , S1, S1, S1, ONE, X, Y, Z, W),
_(DXT1_RGBA , DXT1 , S1, S1, S1, S1, X, Y, Z, W),
_(DXT3_RGBA , DXT3 , S1, S1, S1, S1, X, Y, Z, W),
_(DXT5_RGBA , DXT5 , S1, S1, S1, S1, X, Y, Z, W),
{},
};
void
nv30_fragtex_set(struct nvfx_context *nvfx, int unit)
{
struct nvfx_sampler_state *ps = nvfx->tex_sampler[unit];
struct nvfx_miptree *mt = (struct nvfx_miptree *)nvfx->fragment_sampler_views[unit]->texture;
struct pipe_resource *pt = &mt->base.base;
struct nouveau_bo *bo = mt->base.bo;
struct nv30_texture_format *tf;
struct nouveau_channel* chan = nvfx->screen->base.channel;
uint32_t txf, txs;
unsigned tex_flags = NOUVEAU_BO_VRAM | NOUVEAU_BO_GART | NOUVEAU_BO_RD;
unsigned use_rect;
tf = &nv30_texture_formats[pt->format];
assert(tf->format >= 0);
if(pt->height0 <= 1 || util_format_is_compressed(pt->format))
{
/* in the case of compressed or 1D textures, we can get away with this,
* since the layout is the same
*/
use_rect = ps->fmt;
}
else
{
static int warned = 0;
if(!warned && !ps->fmt != !(pt->flags & NVFX_RESOURCE_FLAG_LINEAR)) {
warned = 1;
fprintf(stderr,
"Unimplemented: coordinate normalization mismatch. Possible reasons:\n"
"1. ARB_texture_non_power_of_two is being used despite the fact it isn't supported\n"
"2. The state tracker is not using the appropriate coordinate normalization\n"
"3. The state tracker is not supported\n");
}
use_rect = pt->flags & NVFX_RESOURCE_FLAG_LINEAR;
}
txf = use_rect ? tf->rect_format : tf->format;
txf |= ((pt->last_level>0) ? NV34TCL_TX_FORMAT_MIPMAP : 0);
txf |= log2i(pt->width0) << NV34TCL_TX_FORMAT_BASE_SIZE_U_SHIFT;
txf |= log2i(pt->height0) << NV34TCL_TX_FORMAT_BASE_SIZE_V_SHIFT;
txf |= log2i(pt->depth0) << NV34TCL_TX_FORMAT_BASE_SIZE_W_SHIFT;
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:
case PIPE_TEXTURE_RECT:
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;
if(use_rect)
txs |= nvfx_subresource_pitch(&mt->base, 0) << NV34TCL_TX_SWIZZLE_RECT_PITCH_SHIFT;
MARK_RING(chan, 9, 2);
OUT_RING(chan, RING_3D(NV34TCL_TX_OFFSET(unit), 8));
OUT_RELOC(chan, bo, 0, tex_flags | NOUVEAU_BO_LOW, 0, 0);
OUT_RELOC(chan, bo, txf, tex_flags | NOUVEAU_BO_OR,
NV34TCL_TX_FORMAT_DMA0, NV34TCL_TX_FORMAT_DMA1);
OUT_RING(chan, ps->wrap);
OUT_RING(chan, NV34TCL_TX_ENABLE_ENABLE | ps->en);
OUT_RING(chan, txs);
OUT_RING(chan, ps->filt | 0x2000 /*voodoo*/);
OUT_RING(chan, (pt->width0 << NV34TCL_TX_NPOT_SIZE_W_SHIFT) |
pt->height0);
OUT_RING(chan, ps->bcol);
nvfx->hw_txf[unit] = txf;
nvfx->hw_samplers |= (1 << unit);
}
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