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path: root/src/gallium/drivers/nv40/nv40_fragtex.c
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Diffstat (limited to 'src/gallium/drivers/nv40/nv40_fragtex.c')
-rw-r--r--src/gallium/drivers/nv40/nv40_fragtex.c168
1 files changed, 168 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..0227d22620d
--- /dev/null
+++ b/src/gallium/drivers/nv40/nv40_fragtex.c
@@ -0,0 +1,168 @@
+#include "nv40_context.h"
+
+#define _(m,tf,ts0x,ts0y,ts0z,ts0w,ts1x,ts1y,ts1z,ts1w,sx,sy,sz,sw) \
+{ \
+ 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), \
+ ((NV40TCL_TEX_FILTER_SIGNED_RED*sx) | (NV40TCL_TEX_FILTER_SIGNED_GREEN*sy) | \
+ (NV40TCL_TEX_FILTER_SIGNED_BLUE*sz) | (NV40TCL_TEX_FILTER_SIGNED_ALPHA*sw)) \
+}
+
+struct nv40_texture_format {
+ boolean defined;
+ uint pipe;
+ int format;
+ int swizzle;
+ int sign;
+};
+
+static struct nv40_texture_format
+nv40_texture_formats[] = {
+ _(A8R8G8B8_UNORM, A8R8G8B8, S1, S1, S1, S1, X, Y, Z, W, 0, 0, 0, 0),
+ _(A1R5G5B5_UNORM, A1R5G5B5, S1, S1, S1, S1, X, Y, Z, W, 0, 0, 0, 0),
+ _(A4R4G4B4_UNORM, A4R4G4B4, S1, S1, S1, S1, X, Y, Z, W, 0, 0, 0, 0),
+ _(R5G6B5_UNORM , R5G6B5 , S1, S1, S1, ONE, X, Y, Z, W, 0, 0, 0, 0),
+ _(L8_UNORM , L8 , S1, S1, S1, ONE, X, X, X, X, 0, 0, 0, 0),
+ _(A8_UNORM , L8 , ZERO, ZERO, ZERO, S1, X, X, X, X, 0, 0, 0, 0),
+ _(R16_SNORM , A16 , ZERO, ZERO, S1, ONE, X, X, X, Y, 1, 1, 1, 1),
+ _(I8_UNORM , L8 , S1, S1, S1, S1, X, X, X, X, 0, 0, 0, 0),
+ _(A8L8_UNORM , A8L8 , S1, S1, S1, S1, X, X, X, Y, 0, 0, 0, 0),
+ _(Z16_UNORM , Z16 , S1, S1, S1, ONE, X, X, X, X, 0, 0, 0, 0),
+ _(Z24S8_UNORM , Z24 , S1, S1, S1, ONE, X, X, X, X, 0, 0, 0, 0),
+ _(DXT1_RGB , DXT1 , S1, S1, S1, ONE, X, Y, Z, W, 0, 0, 0, 0),
+ _(DXT1_RGBA , DXT1 , S1, S1, S1, S1, X, Y, Z, W, 0, 0, 0, 0),
+ _(DXT3_RGBA , DXT3 , S1, S1, S1, S1, X, Y, Z, W, 0, 0, 0, 0),
+ _(DXT5_RGBA , DXT5 , S1, S1, S1, S1, X, Y, Z, W, 0, 0, 0, 0),
+ {},
+};
+
+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++;
+ }
+
+ NOUVEAU_ERR("unknown texture format %s\n", pf_name(pipe_format));
+ return NULL;
+}
+
+
+static struct nouveau_stateobj *
+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;
+ 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 NULL;
+ }
+
+ if (!(pt->tex_usage & NOUVEAU_TEXTURE_USAGE_LINEAR)) {
+ 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->screen->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 | tf->sign | 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->screen->curie, NV40TCL_TEX_SIZE1(unit), 1);
+ so_data (so, (pt->depth[0] << NV40TCL_TEX_SIZE1_DEPTH_SHIFT) | txp);
+
+ return so;
+}
+
+static boolean
+nv40_fragtex_validate(struct nv40_context *nv40)
+{
+ struct nv40_fragment_program *fp = nv40->fragprog;
+ struct nv40_state *state = &nv40->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, nv40->screen->curie, NV40TCL_TEX_ENABLE(unit), 1);
+ so_data (so, 0);
+ so_ref(so, &nv40->state.hw[NV40_STATE_FRAGTEX0 + unit]);
+ state->dirty |= (1ULL << (NV40_STATE_FRAGTEX0 + unit));
+ }
+
+ samplers = nv40->dirty_samplers & fp->samplers;
+ while (samplers) {
+ unit = ffs(samplers) - 1;
+ samplers &= ~(1 << unit);
+
+ so = nv40_fragtex_build(nv40, unit);
+ so_ref(so, &nv40->state.hw[NV40_STATE_FRAGTEX0 + unit]);
+ state->dirty |= (1ULL << (NV40_STATE_FRAGTEX0 + unit));
+ }
+
+ nv40->state.fp_samplers = fp->samplers;
+ return FALSE;
+}
+
+struct nv40_state_entry nv40_state_fragtex = {
+ .validate = nv40_fragtex_validate,
+ .dirty = {
+ .pipe = NV40_NEW_SAMPLER | NV40_NEW_FRAGPROG,
+ .hw = 0
+ }
+};
+
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-25 00:34:45 +0000