From 8f924e4df06a5d45dda338e7a0a87308e48df57e Mon Sep 17 00:00:00 2001 From: Brian Date: Mon, 4 Feb 2008 13:23:07 -0700 Subject: [PATCH] Cell: choose bilinear vs. nearest filtering according to sampler state --- src/mesa/pipe/cell/spu/spu_main.c | 4 ++++ src/mesa/pipe/cell/spu/spu_main.h | 2 ++ src/mesa/pipe/cell/spu/spu_texture.c | 2 +- src/mesa/pipe/cell/spu/spu_texture.h | 2 +- src/mesa/pipe/cell/spu/spu_tri.c | 8 ++++---- 5 files changed, 12 insertions(+), 6 deletions(-) diff --git a/src/mesa/pipe/cell/spu/spu_main.c b/src/mesa/pipe/cell/spu/spu_main.c index 412661061ab..48e016fc8b4 100644 --- a/src/mesa/pipe/cell/spu/spu_main.c +++ b/src/mesa/pipe/cell/spu/spu_main.c @@ -252,6 +252,10 @@ cmd_state_sampler(const struct pipe_sampler_state *state) spu.init.id); memcpy(&spu.sampler[0], state, sizeof(*state)); + if (spu.sampler[0].min_img_filter == PIPE_TEX_FILTER_LINEAR) + spu.sample_texture = sample_texture_bilinear; + else + spu.sample_texture = sample_texture_nearest; } diff --git a/src/mesa/pipe/cell/spu/spu_main.h b/src/mesa/pipe/cell/spu/spu_main.h index 02b62ee5cd5..fb98b0d8897 100644 --- a/src/mesa/pipe/cell/spu/spu_main.h +++ b/src/mesa/pipe/cell/spu/spu_main.h @@ -114,6 +114,8 @@ struct spu_global vector float tex_size; vector unsigned int tex_size_mask; /**< == int(size - 1) */ + uint (*sample_texture)(vector float texcoord); + } ALIGN16_ATTRIB; diff --git a/src/mesa/pipe/cell/spu/spu_texture.c b/src/mesa/pipe/cell/spu/spu_texture.c index 6e243f7fa3a..ecacf2ec887 100644 --- a/src/mesa/pipe/cell/spu/spu_texture.c +++ b/src/mesa/pipe/cell/spu/spu_texture.c @@ -131,7 +131,7 @@ get_tex_tile(vector unsigned int ij) * XXX this is extremely primitive for now. */ uint -sample_texture(vector float texcoord) +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 */ diff --git a/src/mesa/pipe/cell/spu/spu_texture.h b/src/mesa/pipe/cell/spu/spu_texture.h index 25cbe9b3c64..0e000bfebfd 100644 --- a/src/mesa/pipe/cell/spu/spu_texture.h +++ b/src/mesa/pipe/cell/spu/spu_texture.h @@ -37,7 +37,7 @@ invalidate_tex_cache(void); extern uint -sample_texture(vector float texcoord); +sample_texture_nearest(vector float texcoord); extern uint diff --git a/src/mesa/pipe/cell/spu/spu_tri.c b/src/mesa/pipe/cell/spu/spu_tri.c index c148c75dd61..7b422f71a8d 100644 --- a/src/mesa/pipe/cell/spu/spu_tri.c +++ b/src/mesa/pipe/cell/spu/spu_tri.c @@ -309,13 +309,13 @@ emit_quad( int x, int y, mask_t mask ) eval_coeff(2, (float) x, (float) y, texcoords); if (spu_extract(mask, 0)) - spu.ctile.ui[iy][ix] = sample_texture(texcoords[0].v); + spu.ctile.ui[iy][ix] = spu.sample_texture(texcoords[0].v); if (spu_extract(mask, 1)) - spu.ctile.ui[iy][ix+1] = sample_texture(texcoords[1].v); + spu.ctile.ui[iy][ix+1] = spu.sample_texture(texcoords[1].v); if (spu_extract(mask, 2)) - spu.ctile.ui[iy+1][ix] = sample_texture(texcoords[2].v); + spu.ctile.ui[iy+1][ix] = spu.sample_texture(texcoords[2].v); if (spu_extract(mask, 3)) - spu.ctile.ui[iy+1][ix+1] = sample_texture(texcoords[3].v); + spu.ctile.ui[iy+1][ix+1] = spu.sample_texture(texcoords[3].v); } else { /* simple shading */ -- 2.30.2