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-rw-r--r--src/mesa/pipe/cell/spu/spu_texture.c217
1 files changed, 0 insertions, 217 deletions
diff --git a/src/mesa/pipe/cell/spu/spu_texture.c b/src/mesa/pipe/cell/spu/spu_texture.c
deleted file mode 100644
index 3962aaa4a9b..00000000000
--- a/src/mesa/pipe/cell/spu/spu_texture.c
+++ /dev/null
@@ -1,217 +0,0 @@
-/**************************************************************************
- *
- * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
- * All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the
- * "Software"), to deal in the Software without restriction, including
- * without limitation the rights to use, copy, modify, merge, publish,
- * distribute, sub license, and/or sell copies of the Software, and to
- * permit persons to whom the Software is furnished to do so, subject to
- * the following conditions:
- *
- * The above copyright notice and this permission notice (including the
- * next paragraph) shall be included in all copies or substantial portions
- * of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
- * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
- * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
- * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- **************************************************************************/
-
-
-#include "pipe/p_compiler.h"
-#include "spu_main.h"
-#include "spu_texture.h"
-#include "spu_tile.h"
-#include "spu_colorpack.h"
-
-
-/**
- * Number of texture tiles to cache.
- * Note that this will probably be the largest consumer of SPU local store/
- * memory for this driver!
- */
-#define CACHE_SIZE 16
-
-static tile_t tex_tiles[CACHE_SIZE] ALIGN16_ATTRIB;
-
-static vector unsigned int tex_tile_xy[CACHE_SIZE];
-
-
-
-/**
- * Mark all tex cache entries as invalid.
- */
-void
-invalidate_tex_cache(void)
-{
- /* XXX memset? */
- uint i;
- for (i = 0; i < CACHE_SIZE; i++) {
- tex_tile_xy[i] = ((vector unsigned int) { ~0U, ~0U, ~0U, ~0U });
- }
-}
-
-
-/**
- * Return the cache pos/index which corresponds to tile (tx,ty)
- */
-static INLINE uint
-cache_pos(vector unsigned int txty)
-{
- uint pos = (spu_extract(txty,0) + spu_extract(txty,1) * 4) % CACHE_SIZE;
- return pos;
-}
-
-
-/**
- * Make sure the tile for texel (i,j) is present, return its position/index
- * in the cache.
- */
-static uint
-get_tex_tile(vector unsigned int ij)
-{
- /* tile address: tx,ty */
- const vector unsigned int txty = spu_rlmask(ij, -5); /* divide by 32 */
- const uint pos = cache_pos(txty);
-
- if ((spu_extract(tex_tile_xy[pos], 0) != spu_extract(txty, 0)) ||
- (spu_extract(tex_tile_xy[pos], 1) != spu_extract(txty, 1))) {
-
- /* texture cache miss, fetch tile from main memory */
- const uint tiles_per_row = spu.texture.width / TILE_SIZE;
- const uint bytes_per_tile = sizeof(tile_t);
- const void *src = (const ubyte *) spu.texture.start
- + (spu_extract(txty,1) * tiles_per_row + spu_extract(txty,0)) * bytes_per_tile;
-
- printf("SPU %u: tex cache miss at %d, %d pos=%u old=%d,%d\n",
- spu.init.id,
- spu_extract(txty,0),
- spu_extract(txty,1),
- pos,
- spu_extract(tex_tile_xy[pos],0),
- spu_extract(tex_tile_xy[pos],1));
-
- ASSERT_ALIGN16(tex_tiles[pos].ui);
- ASSERT_ALIGN16(src);
-
- mfc_get(tex_tiles[pos].ui, /* dest */
- (unsigned int) src,
- bytes_per_tile, /* size */
- TAG_TEXTURE_TILE,
- 0, /* tid */
- 0 /* rid */);
-
- wait_on_mask(1 << TAG_TEXTURE_TILE);
-
- tex_tile_xy[pos] = txty;
- }
- else {
-#if 0
- printf("SPU %u: tex cache HIT at %d, %d\n",
- spu.init.id, tx, ty);
-#endif
- }
-
- return pos;
-}
-
-
-/**
- * Get texture sample at texcoord.
- * XXX this is extremely primitive for now.
- */
-vector float
-sample_texture_nearest(vector float texcoord)
-{
- vector float tc = spu_mul(texcoord, spu.tex_size);
- vector unsigned int itc = spu_convtu(tc, 0); /* convert to int */
- itc = spu_and(itc, spu.tex_size_mask); /* mask (GL_REPEAT) */
- vector unsigned int ij = spu_and(itc, TILE_SIZE-1); /* intra tile addr */
- uint pos = get_tex_tile(itc);
- uint texel = tex_tiles[pos].ui[spu_extract(ij, 1)][spu_extract(ij, 0)];
- return spu_unpack_A8R8G8B8(texel);
-}
-
-
-vector float
-sample_texture_bilinear(vector float texcoord)
-{
- static const vector unsigned int offset10 = {1, 0, 0, 0};
- static const vector unsigned int offset01 = {0, 1, 0, 0};
-
- vector float tc = spu_mul(texcoord, spu.tex_size);
- tc = spu_add(tc, spu_splats(-0.5f)); /* half texel bias */
-
- /* integer texcoords S,T: */
- vector unsigned int itc00 = spu_convtu(tc, 0); /* convert to int */
- vector unsigned int itc01 = spu_add(itc00, offset01);
- vector unsigned int itc10 = spu_add(itc00, offset10);
- vector unsigned int itc11 = spu_add(itc10, offset01);
-
- /* mask (GL_REPEAT) */
- itc00 = spu_and(itc00, spu.tex_size_mask);
- itc01 = spu_and(itc01, spu.tex_size_mask);
- itc10 = spu_and(itc10, spu.tex_size_mask);
- itc11 = spu_and(itc11, spu.tex_size_mask);
-
- /* intra tile addr */
- vector unsigned int ij00 = spu_and(itc00, TILE_SIZE-1);
- vector unsigned int ij01 = spu_and(itc01, TILE_SIZE-1);
- vector unsigned int ij10 = spu_and(itc10, TILE_SIZE-1);
- vector unsigned int ij11 = spu_and(itc11, TILE_SIZE-1);
-
- /* get tile cache positions */
- uint pos00 = get_tex_tile(itc00);
- uint pos01, pos10, pos11;
- if ((spu_extract(ij00, 0) < TILE_SIZE-1) &&
- (spu_extract(ij00, 1) < TILE_SIZE-1)) {
- /* all texels are in the same tile */
- pos01 = pos10 = pos11 = pos00;
- }
- else {
- pos01 = get_tex_tile(itc01);
- pos10 = get_tex_tile(itc10);
- pos11 = get_tex_tile(itc11);
- }
-
- /* get texels from tiles and convert to float[4] */
- vector float texel00 = spu_unpack_A8R8G8B8(tex_tiles[pos00].ui[spu_extract(ij00, 1)][spu_extract(ij00, 0)]);
- vector float texel01 = spu_unpack_A8R8G8B8(tex_tiles[pos01].ui[spu_extract(ij01, 1)][spu_extract(ij01, 0)]);
- vector float texel10 = spu_unpack_A8R8G8B8(tex_tiles[pos10].ui[spu_extract(ij10, 1)][spu_extract(ij10, 0)]);
- vector float texel11 = spu_unpack_A8R8G8B8(tex_tiles[pos11].ui[spu_extract(ij11, 1)][spu_extract(ij11, 0)]);
-
- /* Compute weighting factors in [0,1]
- * Multiply texcoord by 1024, AND with 1023, convert back to float.
- */
- vector float tc1024 = spu_mul(tc, spu_splats(1024.0f));
- vector signed int itc1024 = spu_convts(tc1024, 0);
- itc1024 = spu_and(itc1024, spu_splats((1 << 10) - 1));
- vector float weight = spu_convtf(itc1024, 10);
-
- /* smeared frac and 1-frac */
- vector float sfrac = spu_splats(spu_extract(weight, 0));
- vector float tfrac = spu_splats(spu_extract(weight, 1));
- vector float sfrac1 = spu_sub(spu_splats(1.0f), sfrac);
- vector float tfrac1 = spu_sub(spu_splats(1.0f), tfrac);
-
- /* multiply the samples (colors) by the S/T weights */
- texel00 = spu_mul(spu_mul(texel00, sfrac1), tfrac1);
- texel10 = spu_mul(spu_mul(texel10, sfrac ), tfrac1);
- texel01 = spu_mul(spu_mul(texel01, sfrac1), tfrac );
- texel11 = spu_mul(spu_mul(texel11, sfrac ), tfrac );
-
- /* compute sum of weighted samples */
- vector float texel_sum = spu_add(texel00, texel01);
- texel_sum = spu_add(texel_sum, texel10);
- texel_sum = spu_add(texel_sum, texel11);
-
- return texel_sum;
-}
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