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Cell: choose bilinear vs. nearest filtering according to sampler state

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This commit is contained in:
Brian 2008-02-04 13:23:07 -07:00
parent ca1d2fc5f6
commit 8f924e4df0
5 changed files with 12 additions and 6 deletions
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4
src/mesa/pipe/cell/spu/spu_main.c
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@ -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;
}

2
src/mesa/pipe/cell/spu/spu_main.h
View file

@ -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;

2
src/mesa/pipe/cell/spu/spu_texture.c
View file

@ -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 */

2
src/mesa/pipe/cell/spu/spu_texture.h
View file

@ -37,7 +37,7 @@ invalidate_tex_cache(void);
extern uint
sample_texture(vector float texcoord);
sample_texture_nearest(vector float texcoord);
extern uint

8
src/mesa/pipe/cell/spu/spu_tri.c
View file

@ -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 */