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Diffstat (limited to 'src/gallium/drivers/nv10/nv10_fragtex.c')
-rw-r--r--src/gallium/drivers/nv10/nv10_fragtex.c149
1 files changed, 149 insertions, 0 deletions
diff --git a/src/gallium/drivers/nv10/nv10_fragtex.c b/src/gallium/drivers/nv10/nv10_fragtex.c
new file mode 100644
index 0000000000..67e0b4bd45
--- /dev/null
+++ b/src/gallium/drivers/nv10/nv10_fragtex.c
@@ -0,0 +1,149 @@
+#include "nv10_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) \
+{ \
+ TRUE, \
+ PIPE_FORMAT_##m, \
+ NV10TCL_TX_FORMAT_FORMAT_##tf, \
+}
+
+struct nv10_texture_format {
+ boolean defined;
+ uint pipe;
+ int format;
+};
+
+static struct nv10_texture_format
+nv10_texture_formats[] = {
+ _(A8R8G8B8_UNORM, A8R8G8B8),
+ _(A1R5G5B5_UNORM, A1R5G5B5),
+ _(A4R4G4B4_UNORM, A4R4G4B4),
+ _(U_L8 , L8 ),
+ _(U_A8 , A8 ),
+ _(U_A8_L8 , A8L8 ),
+// _(RGB_DXT1 , DXT1, ),
+// _(RGBA_DXT1 , DXT1, ),
+// _(RGBA_DXT3 , DXT3, ),
+// _(RGBA_DXT5 , DXT5, ),
+ {},
+};
+
+static struct nv10_texture_format *
+nv10_fragtex_format(uint pipe_format)
+{
+ struct nv10_texture_format *tf = nv10_texture_formats;
+
+ while (tf->defined) {
+ if (tf->pipe == pipe_format)
+ return tf;
+ tf++;
+ }
+
+ return NULL;
+}
+
+
+static void
+nv10_fragtex_build(struct nv10_context *nv10, int unit)
+{
+#if 0
+ struct nv10_sampler_state *ps = nv10->tex_sampler[unit];
+ struct nv10_miptree *nv10mt = nv10->tex_miptree[unit];
+ struct pipe_texture *pt = &nv10mt->base;
+ struct nv10_texture_format *tf;
+ uint32_t txf, txs, txp;
+
+ tf = nv10_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 + 1) << 16;
+ txf |= log2i(pt->width[0]) << 20;
+ txf |= log2i(pt->height[0]) << 24;
+ txf |= log2i(pt->depth[0]) << 28;
+ txf |= 8;
+
+ switch (pt->target) {
+ case PIPE_TEXTURE_CUBE:
+ txf |= NV10TCL_TX_FORMAT_CUBE_MAP;
+ /* fall-through */
+ case PIPE_TEXTURE_2D:
+ txf |= (2<<4);
+ break;
+ case PIPE_TEXTURE_1D:
+ txf |= (1<<4);
+ break;
+ default:
+ NOUVEAU_ERR("Unknown target %d\n", pt->target);
+ return;
+ }
+
+ BEGIN_RING(celsius, NV10TCL_TX_OFFSET(unit), 8);
+ OUT_RELOCl(nv10mt->buffer, 0, NOUVEAU_BO_VRAM | NOUVEAU_BO_GART | NOUVEAU_BO_RD);
+ OUT_RELOCd(nv10mt->buffer,txf,NOUVEAU_BO_VRAM | NOUVEAU_BO_GART | NOUVEAU_BO_OR | NOUVEAU_BO_RD, 1/*VRAM*/,2/*TT*/);
+ OUT_RING (ps->wrap);
+ OUT_RING (0x40000000); /* enable */
+ OUT_RING (txs);
+ OUT_RING (ps->filt | 0x2000 /* magic */);
+ OUT_RING ((pt->width[0] << 16) | pt->height[0]);
+ OUT_RING (ps->bcol);
+#endif
+}
+
+void
+nv10_fragtex_bind(struct nv10_context *nv10)
+{
+#if 0
+ struct nv10_fragment_program *fp = nv10->fragprog.active;
+ unsigned samplers, unit;
+
+ samplers = nv10->fp_samplers & ~fp->samplers;
+ while (samplers) {
+ unit = ffs(samplers) - 1;
+ samplers &= ~(1 << unit);
+
+ BEGIN_RING(celsius, NV10TCL_TX_ENABLE(unit), 1);
+ OUT_RING (0);
+ }
+
+ samplers = nv10->dirty_samplers & fp->samplers;
+ while (samplers) {
+ unit = ffs(samplers) - 1;
+ samplers &= ~(1 << unit);
+
+ nv10_fragtex_build(nv10, unit);
+ }
+
+ nv10->fp_samplers = fp->samplers;
+#endif
+}
+