diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/mesa/pipe/cell/spu/spu_texture.c | 66 |
1 files changed, 29 insertions, 37 deletions
diff --git a/src/mesa/pipe/cell/spu/spu_texture.c b/src/mesa/pipe/cell/spu/spu_texture.c index 1cf958806f..b52df970d0 100644 --- a/src/mesa/pipe/cell/spu/spu_texture.c +++ b/src/mesa/pipe/cell/spu/spu_texture.c @@ -26,6 +26,8 @@ **************************************************************************/ +#include <vec_literal.h> + #include "pipe/p_compiler.h" #include "spu_main.h" #include "spu_texture.h" @@ -41,7 +43,7 @@ static tile_t tex_tiles[CACHE_SIZE] ALIGN16_ATTRIB; -static int tex_tile_x[CACHE_SIZE], tex_tile_y[CACHE_SIZE]; +static vector unsigned int tex_tile_xy[CACHE_SIZE]; @@ -53,20 +55,19 @@ invalidate_tex_cache(void) { /* XXX memset? */ uint i; - for (i = 0; i < CACHE_SIZE; i++) - tex_tile_x[i] = tex_tile_y[i] = -1; + for (i = 0; i < CACHE_SIZE; i++) { + tex_tile_xy[i] = VEC_LITERAL(vector unsigned int, ~0U, ~0U, ~0U, ~0U); + } } /** - * Return the cache pos/index which corresponds to texel (i,j) + * Return the cache pos/index which corresponds to tile (tx,ty) */ static INLINE uint -cache_pos(uint i, uint j) +cache_pos(vector unsigned int txty) { - uint tx = i / TILE_SIZE; - uint ty = j / TILE_SIZE; - uint pos = (tx + ty * 4) % CACHE_SIZE; + uint pos = (spu_extract(txty,0) + spu_extract(txty,1) * 4) % CACHE_SIZE; return pos; } @@ -76,26 +77,28 @@ cache_pos(uint i, uint j) * in the cache. */ static uint -get_tex_tile(uint i, uint j) +get_tex_tile(vector unsigned int ij) { - const int tx = i / TILE_SIZE; - const int ty = j / TILE_SIZE; - const uint pos = cache_pos(i, j); + /* 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))) { - if (tex_tile_x[pos] != tx || tex_tile_y[pos] != ty) { /* 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 - + (ty * tiles_per_row + tx) * bytes_per_tile; + + (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, tx, ty, pos, - tex_tile_x[pos], tex_tile_y[pos]); -#if 0 - printf("SPU %u: get tex tile from %p to %p\n", - spu.init.id, src, tex_tiles[pos].t32); -#endif + 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); @@ -109,8 +112,7 @@ get_tex_tile(uint i, uint j) wait_on_mask(1 << TAG_TEXTURE_TILE); - tex_tile_x[pos] = tx; - tex_tile_y[pos] = ty; + tex_tile_xy[pos] = txty; } else { #if 0 @@ -130,21 +132,11 @@ get_tex_tile(uint i, uint j) uint sample_texture(vector float texcoord) { -#if 0 - /* wrap/repeat */ - uint i = (uint) (spu_extract(texcoord, 0) * spu.texture.width) % spu.texture.width; - uint j = (uint) (spu_extract(texcoord, 1) * spu.texture.height) % spu.texture.height; - uint pos = get_tex_tile(i, j); - uint texel = tex_tiles[pos].ui[j % TILE_SIZE][i % TILE_SIZE]; - return texel; -#else vector float tc = spu_mul(texcoord, spu.tex_size); - vector unsigned int itc = spu_convtu(tc, 0); - itc = spu_and(itc, spu.tex_size_mask); - uint i = spu_extract(itc, 0); - uint j = spu_extract(itc, 1); - uint pos = get_tex_tile(i, j); - uint texel = tex_tiles[pos].ui[j % TILE_SIZE][i % TILE_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 texel; -#endif } |