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#include "nvfx_context.h"
#include "nvfx_resource.h"
#include "nvfx_tex.h"
static void *
nvfx_sampler_state_create(struct pipe_context *pipe,
const struct pipe_sampler_state *cso)
{
struct nvfx_context *nvfx = nvfx_context(pipe);
struct nvfx_sampler_state *ps;
ps = MALLOC(sizeof(struct nvfx_sampler_state));
/* on nv30, we use this as an internal flag */
ps->fmt = cso->normalized_coords ? 0 : NV40_3D_TEX_FORMAT_RECT;
ps->en = 0;
ps->filt = nvfx_tex_filter(cso) | 0x2000; /*voodoo*/
ps->wrap = (nvfx_tex_wrap_mode(cso->wrap_s) << NV30_3D_TEX_WRAP_S__SHIFT) |
(nvfx_tex_wrap_mode(cso->wrap_t) << NV30_3D_TEX_WRAP_T__SHIFT) |
(nvfx_tex_wrap_mode(cso->wrap_r) << NV30_3D_TEX_WRAP_R__SHIFT);
ps->compare = FALSE;
if(cso->compare_mode == PIPE_TEX_COMPARE_R_TO_TEXTURE)
{
ps->wrap |= nvfx_tex_wrap_compare_mode(cso->compare_func);
ps->compare = TRUE;
}
ps->bcol = nvfx_tex_border_color(cso->border_color.f);
if(nvfx->is_nv4x)
nv40_sampler_state_init(pipe, ps, cso);
else
nv30_sampler_state_init(pipe, ps, cso);
return (void *)ps;
}
static void
nvfx_sampler_state_delete(struct pipe_context *pipe, void *hwcso)
{
FREE(hwcso);
}
static void
nvfx_sampler_state_bind(struct pipe_context *pipe, unsigned nr, void **sampler)
{
struct nvfx_context *nvfx = nvfx_context(pipe);
unsigned unit;
for (unit = 0; unit < nr; unit++) {
nvfx->tex_sampler[unit] = sampler[unit];
nvfx->dirty_samplers |= (1 << unit);
}
for (unit = nr; unit < nvfx->nr_samplers; unit++) {
nvfx->tex_sampler[unit] = NULL;
nvfx->dirty_samplers |= (1 << unit);
}
nvfx->nr_samplers = nr;
nvfx->dirty |= NVFX_NEW_SAMPLER;
}
static struct pipe_sampler_view *
nvfx_create_sampler_view(struct pipe_context *pipe,
struct pipe_resource *pt,
const struct pipe_sampler_view *templ)
{
struct nvfx_context *nvfx = nvfx_context(pipe);
struct nvfx_sampler_view *sv = CALLOC_STRUCT(nvfx_sampler_view);
struct nvfx_texture_format *tf = &nvfx_texture_formats[templ->format];
unsigned txf;
if (!sv)
return NULL;
sv->base = *templ;
sv->base.reference.count = 1;
sv->base.texture = NULL;
pipe_resource_reference(&sv->base.texture, pt);
sv->base.context = pipe;
txf = NV30_3D_TEX_FORMAT_NO_BORDER;
switch (pt->target) {
case PIPE_TEXTURE_CUBE:
txf |= NV30_3D_TEX_FORMAT_CUBIC;
/* fall-through */
case PIPE_TEXTURE_2D:
case PIPE_TEXTURE_RECT:
txf |= NV30_3D_TEX_FORMAT_DIMS_2D;
break;
case PIPE_TEXTURE_3D:
txf |= NV30_3D_TEX_FORMAT_DIMS_3D;
break;
case PIPE_TEXTURE_1D:
txf |= NV30_3D_TEX_FORMAT_DIMS_1D;
break;
default:
assert(0);
}
sv->u.init_fmt = txf;
sv->swizzle = 0
| (tf->src[sv->base.swizzle_r] << NV30_3D_TEX_SWIZZLE_S0_Z__SHIFT)
| (tf->src[sv->base.swizzle_g] << NV30_3D_TEX_SWIZZLE_S0_Y__SHIFT)
| (tf->src[sv->base.swizzle_b] << NV30_3D_TEX_SWIZZLE_S0_X__SHIFT)
| (tf->src[sv->base.swizzle_a] << NV30_3D_TEX_SWIZZLE_S0_W__SHIFT)
| (tf->comp[sv->base.swizzle_r] << NV30_3D_TEX_SWIZZLE_S1_Z__SHIFT)
| (tf->comp[sv->base.swizzle_g] << NV30_3D_TEX_SWIZZLE_S1_Y__SHIFT)
| (tf->comp[sv->base.swizzle_b] << NV30_3D_TEX_SWIZZLE_S1_X__SHIFT)
| (tf->comp[sv->base.swizzle_a] << NV30_3D_TEX_SWIZZLE_S1_W__SHIFT);
sv->filt = tf->sign;
sv->wrap = tf->wrap;
sv->wrap_mask = ~0;
if (pt->target == PIPE_TEXTURE_CUBE)
{
sv->offset = 0;
sv->npot_size = (pt->width0 << NV30_3D_TEX_NPOT_SIZE_W__SHIFT) | pt->height0;
}
else
{
sv->offset = nvfx_subresource_offset(pt, 0, sv->base.u.tex.first_level, 0);
sv->npot_size = (u_minify(pt->width0, sv->base.u.tex.first_level) << NV30_3D_TEX_NPOT_SIZE_W__SHIFT) | u_minify(pt->height0, sv->base.u.tex.first_level);
/* apparently, we need to ignore the t coordinate for 1D textures to fix piglit tex1d-2dborder */
if(pt->target == PIPE_TEXTURE_1D)
{
sv->wrap_mask &=~ NV30_3D_TEX_WRAP_T__MASK;
sv->wrap |= NV30_3D_TEX_WRAP_T_REPEAT;
}
}
if(nvfx->is_nv4x)
nv40_sampler_view_init(pipe, sv);
else
nv30_sampler_view_init(pipe, sv);
return &sv->base;
}
static void
nvfx_sampler_view_destroy(struct pipe_context *pipe,
struct pipe_sampler_view *view)
{
pipe_resource_reference(&view->texture, NULL);
FREE(view);
}
static void
nvfx_set_fragment_sampler_views(struct pipe_context *pipe,
unsigned nr,
struct pipe_sampler_view **views)
{
struct nvfx_context *nvfx = nvfx_context(pipe);
unsigned unit;
for (unit = 0; unit < nr; unit++) {
pipe_sampler_view_reference(&nvfx->fragment_sampler_views[unit],
views[unit]);
nvfx->dirty_samplers |= (1 << unit);
}
for (unit = nr; unit < nvfx->nr_textures; unit++) {
pipe_sampler_view_reference(&nvfx->fragment_sampler_views[unit],
NULL);
nvfx->dirty_samplers |= (1 << unit);
}
nvfx->nr_textures = nr;
nvfx->dirty |= NVFX_NEW_SAMPLER;
}
void
nvfx_fragtex_validate(struct nvfx_context *nvfx)
{
struct nouveau_channel* chan = nvfx->screen->base.channel;
struct nouveau_grobj *eng3d = nvfx->screen->eng3d;
unsigned samplers, unit;
samplers = nvfx->dirty_samplers;
if(!samplers)
return;
while (samplers) {
unit = ffs(samplers) - 1;
samplers &= ~(1 << unit);
if(nvfx->fragment_sampler_views[unit] && nvfx->tex_sampler[unit]) {
if(!nvfx->is_nv4x)
nv30_fragtex_set(nvfx, unit);
else
nv40_fragtex_set(nvfx, unit);
} else {
/* this is OK for nv40 too */
BEGIN_RING(chan, eng3d, NV30_3D_TEX_ENABLE(unit), 1);
OUT_RING(chan, 0);
nvfx->hw_samplers &= ~(1 << unit);
}
}
nvfx->dirty_samplers = 0;
nvfx->relocs_needed &=~ NVFX_RELOCATE_FRAGTEX;
}
void
nvfx_fragtex_relocate(struct nvfx_context *nvfx)
{
struct nouveau_channel* chan = nvfx->screen->base.channel;
unsigned samplers, unit;
unsigned tex_flags = NOUVEAU_BO_VRAM | NOUVEAU_BO_GART | NOUVEAU_BO_RD;
samplers = nvfx->hw_samplers;
while (samplers) {
struct nvfx_miptree* mt;
struct nouveau_bo *bo;
unit = ffs(samplers) - 1;
samplers &= ~(1 << unit);
mt = (struct nvfx_miptree*)nvfx->fragment_sampler_views[unit]->texture;
bo = mt->base.bo;
MARK_RING(chan, 3, 3);
OUT_RELOC(chan, bo, RING_3D(NV30_3D_TEX_OFFSET(unit), 2), tex_flags | NOUVEAU_BO_DUMMY, 0, 0);
OUT_RELOC(chan, bo, 0, tex_flags | NOUVEAU_BO_LOW | NOUVEAU_BO_DUMMY, 0, 0);
OUT_RELOC(chan, bo, nvfx->hw_txf[unit], tex_flags | NOUVEAU_BO_OR | NOUVEAU_BO_DUMMY,
NV30_3D_TEX_FORMAT_DMA0, NV30_3D_TEX_FORMAT_DMA1);
}
nvfx->relocs_needed &=~ NVFX_RELOCATE_FRAGTEX;
}
void
nvfx_init_sampling_functions(struct nvfx_context *nvfx)
{
nvfx->pipe.create_sampler_state = nvfx_sampler_state_create;
nvfx->pipe.bind_fragment_sampler_states = nvfx_sampler_state_bind;
nvfx->pipe.delete_sampler_state = nvfx_sampler_state_delete;
nvfx->pipe.set_fragment_sampler_views = nvfx_set_fragment_sampler_views;
nvfx->pipe.create_sampler_view = nvfx_create_sampler_view;
nvfx->pipe.sampler_view_destroy = nvfx_sampler_view_destroy;
}
#define NV30_3D_TEX_FORMAT_FORMAT_DXT1_RECT NV30_3D_TEX_FORMAT_FORMAT_DXT1
#define NV30_3D_TEX_FORMAT_FORMAT_DXT3_RECT NV30_3D_TEX_FORMAT_FORMAT_DXT3
#define NV30_3D_TEX_FORMAT_FORMAT_DXT5_RECT NV30_3D_TEX_FORMAT_FORMAT_DXT5
#define NV40_3D_TEX_FORMAT_FORMAT_HILO16 NV40_3D_TEX_FORMAT_FORMAT_A16L16
#define NV30_3D_TEX_FORMAT_FORMAT_RGBA16F 0x00004a00
#define NV30_3D_TEX_FORMAT_FORMAT_RGBA16F_RECT NV30_3D_TEX_FORMAT_FORMAT_RGBA16F
#define NV30_3D_TEX_FORMAT_FORMAT_RGBA32F 0x00004b00
#define NV30_3D_TEX_FORMAT_FORMAT_RGBA32F_RECT NV30_3D_TEX_FORMAT_FORMAT_RGBA32F
#define NV30_3D_TEX_FORMAT_FORMAT_R32F 0x00004c00
#define NV30_3D_TEX_FORMAT_FORMAT_R32F_RECT NV30_3D_TEX_FORMAT_FORMAT_R32F
// TODO: guess!
#define NV40_3D_TEX_FORMAT_FORMAT_R32F 0x00001c00
#define SRGB 0x00700000
#define __(m,tf,tfc,ts0x,ts0y,ts0z,ts0w,ts1x,ts1y,ts1z,ts1w,sign,wrap) \
[PIPE_FORMAT_##m] = { \
{NV30_3D_TEX_FORMAT_FORMAT_##tf, \
NV30_3D_TEX_FORMAT_FORMAT_##tfc, \
NV30_3D_TEX_FORMAT_FORMAT_##tf##_RECT, \
NV30_3D_TEX_FORMAT_FORMAT_##tfc##_RECT, \
NV40_3D_TEX_FORMAT_FORMAT_##tf, \
NV40_3D_TEX_FORMAT_FORMAT_##tfc}, \
sign, wrap, \
{ts0z, ts0y, ts0x, ts0w, 0, 1}, {ts1z, ts1y, ts1x, ts1w, 0, 0} \
}
#define _(m,tf,ts0x,ts0y,ts0z,ts0w,ts1x,ts1y,ts1z,ts1w,sign, wrap) \
__(m,tf,tf,ts0x,ts0y,ts0z,ts0w,ts1x,ts1y,ts1z,ts1w,sign, wrap)
/* Depth formats works by reading the depth value most significant 8/16 bits.
* We are losing precision, but nVidia loses even more by using A8R8G8B8 instead of HILO16
* There is no 32-bit integer texture support, so other things are infeasible.
*
* TODO: is it possible to read 16 bits for Z16? A16 doesn't seem to work, either due to normalization or endianness issues
*/
#define T 2
#define X 3
#define Y 2
#define Z 1
#define W 0
#define SNORM ((NV30_3D_TEX_FILTER_SIGNED_RED) | (NV30_3D_TEX_FILTER_SIGNED_GREEN) | (NV30_3D_TEX_FILTER_SIGNED_BLUE) | (NV30_3D_TEX_FILTER_SIGNED_ALPHA))
#define UNORM 0
struct nvfx_texture_format
nvfx_texture_formats[PIPE_FORMAT_COUNT] = {
[0 ... PIPE_FORMAT_COUNT - 1] = {{-1, -1, -1, -1, -1, -1}},
_(B8G8R8X8_UNORM, A8R8G8B8, T, T, T, 1, X, Y, Z, W, UNORM, 0),
_(B8G8R8X8_SRGB, A8R8G8B8, T, T, T, 1, X, Y, Z, W, UNORM, SRGB),
_(B8G8R8A8_UNORM, A8R8G8B8, T, T, T, T, X, Y, Z, W, UNORM, 0),
_(B8G8R8A8_SRGB, A8R8G8B8, T, T, T, T, X, Y, Z, W, UNORM, SRGB),
_(R8G8B8A8_UNORM, A8R8G8B8, T, T, T, T, Z, Y, X, W, UNORM, 0),
_(R8G8B8A8_SRGB, A8R8G8B8, T, T, T, T, Z, Y, X, W, UNORM, SRGB),
_(R8G8B8X8_UNORM, A8R8G8B8, T, T, T, 1, Z, Y, X, W, UNORM, 0),
_(A8R8G8B8_UNORM, A8R8G8B8, T, T, T, T, W, Z, Y, X, UNORM, 0),
_(A8R8G8B8_SRGB, A8R8G8B8, T, T, T, T, W, Z, Y, X, UNORM, SRGB),
_(A8B8G8R8_UNORM, A8R8G8B8, T, T, T, T, W, X, Y, Z, UNORM, 0),
_(A8B8G8R8_SRGB, A8R8G8B8, T, T, T, T, W, X, Y, Z, UNORM, SRGB),
_(X8R8G8B8_UNORM, A8R8G8B8, T, T, T, 1, W, Z, Y, X, UNORM, 0),
_(X8R8G8B8_SRGB, A8R8G8B8, T, T, T, 1, W, Z, Y, X, UNORM, SRGB),
_(B5G5R5A1_UNORM, A1R5G5B5, T, T, T, T, X, Y, Z, W, UNORM, 0),
_(B5G5R5X1_UNORM, A1R5G5B5, T, T, T, 1, X, Y, Z, W, UNORM, 0),
_(B4G4R4A4_UNORM, A4R4G4B4, T, T, T, T, X, Y, Z, W, UNORM, 0),
_(B4G4R4X4_UNORM, A4R4G4B4, T, T, T, 1, X, Y, Z, W, UNORM, 0),
_(B5G6R5_UNORM, R5G6B5, T, T, T, 1, X, Y, Z, W, UNORM, 0),
_(R8_UNORM, L8, T, 0, 0, 1, X, X, X, X, UNORM, 0),
_(R8_SNORM, L8, T, 0, 0, 1, X, X, X, X, SNORM, 0),
_(L8_UNORM, L8, T, T, T, 1, X, X, X, X, UNORM, 0),
_(L8_SRGB, L8, T, T, T, 1, X, X, X, X, UNORM, SRGB),
_(A8_UNORM, L8, 0, 0, 0, T, X, X, X, X, UNORM, 0),
_(I8_UNORM, L8, T, T, T, T, X, X, X, X, UNORM, 0),
_(R8G8_UNORM, A8L8, T, T, T, T, X, X, X, W, UNORM, 0),
_(R8G8_SNORM, A8L8, T, T, T, T, X, X, X, W, SNORM, 0),
_(L8A8_UNORM, A8L8, T, T, T, T, X, X, X, W, UNORM, 0),
_(L8A8_SRGB, A8L8, T, T, T, T, X, X, X, W, UNORM, SRGB),
_(DXT1_RGB, DXT1, T, T, T, 1, X, Y, Z, W, UNORM, 0),
_(DXT1_SRGB, DXT1, T, T, T, 1, X, Y, Z, W, UNORM, SRGB),
_(DXT1_RGBA, DXT1, T, T, T, T, X, Y, Z, W, UNORM, 0),
_(DXT1_SRGBA, DXT1, T, T, T, T, X, Y, Z, W, UNORM, SRGB),
_(DXT3_RGBA, DXT3, T, T, T, T, X, Y, Z, W, UNORM, 0),
_(DXT3_SRGBA, DXT3, T, T, T, T, X, Y, Z, W, UNORM, SRGB),
_(DXT5_RGBA, DXT5, T, T, T, T, X, Y, Z, W, UNORM, 0),
_(DXT5_SRGBA, DXT5, T, T, T, T, X, Y, Z, W, UNORM, SRGB),
__(Z16_UNORM, A8L8, Z16, T, T, T, 1, W, W, W, W, UNORM, 0),
__(S8_UINT_Z24_UNORM,HILO16,Z24, T, T, T, 1, W, W, W, W, UNORM, 0),
__(X8Z24_UNORM, HILO16,Z24, T, T, T, 1, W, W, W, W, UNORM, 0),
_(R16_UNORM, A16, T, 0, 0, 1, X, X, X, X, UNORM, 0),
_(R16_SNORM, A16, T, 0, 0, 1, X, X, X, X, SNORM, 0),
_(R16G16_UNORM, HILO16, T, T, 0, 1, X, Y, X, X, UNORM, 0),
_(R16G16_SNORM, HILO16, T, T, 0, 1, X, Y, X, X, SNORM, 0),
_(R16G16B16A16_FLOAT, RGBA16F, T, T, T, T, X, Y, Z, W, UNORM, 0),
_(R32G32B32A32_FLOAT, RGBA32F, T, T, T, T, X, Y, Z, W, UNORM, 0),
_(R32_FLOAT, R32F, T, 0, 0, 1, X, X, X, X, UNORM, 0)
};
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