cell: remove old texture code

1 files changed, 6 insertions, 82 deletions

diff --git a/src/gallium/drivers/cell/spu/spu_texture.c b/src/gallium/drivers/cell/spu/spu_texture.c
index 12e6ed1ba1..ba62ad27fd 100644
--- a/src/gallium/drivers/cell/spu/spu_texture.c
+++ b/src/gallium/drivers/cell/spu/spu_texture.c
@@ -120,21 +120,9 @@ get_four_texels(uint unit, vec_uint4 x, vec_uint4 y, vec_uint4 *texels)
 }
 
 
-/**
- * Get texture sample at texcoord.
- */
-vector float
-sample_texture_nearest(uint unit, vector float texcoord)
-{
-   vector float tc = spu_mul(texcoord, spu.texture[unit].tex_size);
-   vector unsigned int itc = spu_convtu(tc, 0);  /* convert to int */
-   itc = spu_and(itc, spu.texture[unit].tex_size_mask); /* mask (GL_REPEAT) */
-   uint texel = get_texel(unit, itc);
-   return spu_unpack_A8R8G8B8(texel);
-}
-
 
 /**
+ * Do nearest texture sampling for four pixels.
  * \param colors  returned colors in SOA format (rrrr, gggg, bbbb, aaaa).
  */
 void
@@ -148,7 +136,7 @@ sample_texture4_nearest(vector float s, vector float t,
    vector unsigned int it = spu_convtu(tt, 0);
    vec_uint4 texels[4];
 
-   /* GL_REPEAT wrap mode: */
+   /* PIPE_TEX_WRAP_REPEAT */
    is = spu_and(is, spu.texture[unit].tex_size_x_mask);
    it = spu_and(it, spu.texture[unit].tex_size_y_mask);
 
@@ -159,74 +147,10 @@ sample_texture4_nearest(vector float s, vector float t,
 }
 
 
-vector float
-sample_texture_bilinear(uint unit, vector float texcoord)
-{
-   static const vec_uint4 offset_x = {0, 0, 1, 1};
-   static const vec_uint4 offset_y = {0, 1, 0, 1};
-
-   vector float tc = spu_mul(texcoord, spu.texture[unit].tex_size);
-   tc = spu_add(tc, spu_splats(-0.5f));  /* half texel bias */
-
-   /* integer texcoords S,T: */
-   vec_uint4 itc = spu_convtu(tc, 0);  /* convert to int */
-
-   vec_uint4 texels[4];
-   
-   /* setup texcoords for quad:
-    *  +-----+-----+
-    *  |x0,y0|x1,y1|
-    *  +-----+-----+
-    *  |x2,y2|x3,y3|
-    *  +-----+-----+
-    */
-   vec_uint4 x = spu_splats(spu_extract(itc, 0));
-   vec_uint4 y = spu_splats(spu_extract(itc, 1));
-   x = spu_add(x, offset_x);
-   y = spu_add(y, offset_y);
-
-   /* GL_REPEAT wrap mode: */
-   x = spu_and(x, spu.texture[unit].tex_size_x_mask);
-   y = spu_and(y, spu.texture[unit].tex_size_y_mask);
-
-   get_four_texels(unit, x, y, texels);
-
-   /* integer A8R8G8B8 to float texel conversion */
-   vector float texel00 = spu_unpack_A8R8G8B8(spu_extract(texels[0], 0));
-   vector float texel01 = spu_unpack_A8R8G8B8(spu_extract(texels[1], 0));
-   vector float texel10 = spu_unpack_A8R8G8B8(spu_extract(texels[2], 0));
-   vector float texel11 = spu_unpack_A8R8G8B8(spu_extract(texels[3], 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;
-}
-
-
+/**
+ * Do bilinear texture sampling for four pixels.
+ * \param colors  returned colors in SOA format (rrrr, gggg, bbbb, aaaa).
+ */
 void
 sample_texture4_bilinear(vector float s, vector float t,
                          vector float r, vector float q,