softpipe: shortcircuit repeated lookups of the same tile

[mesa.git] / src / gallium / drivers / softpipe / sp_tex_sample.c

diff --git a/src/gallium/drivers/softpipe/sp_tex_sample.c b/src/gallium/drivers/softpipe/sp_tex_sample.c
index a1d3bade27afbe160bf9a28093b2b9d112c6efdf..46c56b0c835e67b135fc662bccb9e868e8c27ea6 100644 (file)
--- a/src/gallium/drivers/softpipe/sp_tex_sample.c
+++ b/src/gallium/drivers/softpipe/sp_tex_sample.c
@@ -668,10 +668,8 @@ get_texel(const struct tgsi_sampler *tgsi_sampler,
           float rgba[NUM_CHANNELS][QUAD_SIZE], unsigned j)
 {
    const struct sp_shader_sampler *samp = sp_shader_sampler(tgsi_sampler);
-   struct softpipe_context *sp = samp->sp;
-   const uint unit = samp->unit;
-   const struct pipe_texture *texture = sp->texture[unit];
-   const struct pipe_sampler_state *sampler = sp->sampler[unit];
+   const struct pipe_texture *texture = samp->texture;
+   const struct pipe_sampler_state *sampler = samp->sampler;
 
    if (x < 0 || x >= (int) texture->width[level] ||
        y < 0 || y >= (int) texture->height[level] ||
@@ -682,11 +680,13 @@ get_texel(const struct tgsi_sampler *tgsi_sampler,
       rgba[3][j] = sampler->border_color[3];
    }
    else {
-      const int tx = x % TILE_SIZE;
-      const int ty = y % TILE_SIZE;
-      const struct softpipe_cached_tile *tile
-         = sp_get_cached_tile_tex(sp, samp->cache,
-                                  x, y, z, face, level);
+      const unsigned tx = x % TILE_SIZE;
+      const unsigned ty = y % TILE_SIZE;
+      const struct softpipe_cached_tile *tile;
+
+      tile = sp_get_cached_tile_tex(samp->cache, 
+                                    tile_address(x, y, z, face, level));
+
       rgba[0][j] = tile->data.color[ty][tx][0];
       rgba[1][j] = tile->data.color[ty][tx][1];
       rgba[2][j] = tile->data.color[ty][tx][2];
@@ -840,10 +840,8 @@ sp_get_samples_2d_common(const struct tgsi_sampler *tgsi_sampler,
                          const unsigned faces[4])
 {
    const struct sp_shader_sampler *samp = sp_shader_sampler(tgsi_sampler);
-   const struct softpipe_context *sp = samp->sp;
-   const uint unit = samp->unit;
-   const struct pipe_texture *texture = sp->texture[unit];
-   const struct pipe_sampler_state *sampler = sp->sampler[unit];
+   const struct pipe_texture *texture = samp->texture;
+   const struct pipe_sampler_state *sampler = samp->sampler;
    unsigned level0, level1, j, imgFilter;
    int width, height;
    float levelBlend;
@@ -992,10 +990,8 @@ sp_get_samples_3d(const struct tgsi_sampler *tgsi_sampler,
                   float rgba[NUM_CHANNELS][QUAD_SIZE])
 {
    const struct sp_shader_sampler *samp = sp_shader_sampler(tgsi_sampler);
-   const struct softpipe_context *sp = samp->sp;
-   const uint unit = samp->unit;
-   const struct pipe_texture *texture = sp->texture[unit];
-   const struct pipe_sampler_state *sampler = sp->sampler[unit];
+   const struct pipe_texture *texture = samp->texture;
+   const struct pipe_sampler_state *sampler = samp->sampler;
    /* get/map pipe_surfaces corresponding to 3D tex slices */
    unsigned level0, level1, j, imgFilter;
    int width, height, depth;
@@ -1139,10 +1135,8 @@ sp_get_samples_rect(const struct tgsi_sampler *tgsi_sampler,
                     float rgba[NUM_CHANNELS][QUAD_SIZE])
 {
    const struct sp_shader_sampler *samp = sp_shader_sampler(tgsi_sampler);
-   const struct softpipe_context *sp = samp->sp;
-   const uint unit = samp->unit;
-   const struct pipe_texture *texture = sp->texture[unit];
-   const struct pipe_sampler_state *sampler = sp->sampler[unit];
+   const struct pipe_texture *texture = samp->texture;
+   const struct pipe_sampler_state *sampler = samp->sampler;
    const uint face = 0;
    unsigned level0, level1, j, imgFilter;
    int width, height;
@@ -1216,10 +1210,8 @@ sp_get_samples(struct tgsi_sampler *tgsi_sampler,
                float rgba[NUM_CHANNELS][QUAD_SIZE])
 {
    const struct sp_shader_sampler *samp = sp_shader_sampler(tgsi_sampler);
-   const struct softpipe_context *sp = samp->sp;
-   const uint unit = samp->unit;
-   const struct pipe_texture *texture = sp->texture[unit];
-   const struct pipe_sampler_state *sampler = sp->sampler[unit];
+   const struct pipe_texture *texture = samp->texture;
+   const struct pipe_sampler_state *sampler = samp->sampler;
 
    if (!texture)
       return;