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softpipe: add texture border color code

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This commit is contained in:
Brian Paul 2008-08-06 17:14:22 -06:00
parent b908ce93d4
commit ea0007cc4c
1 changed files with 19 additions and 9 deletions
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28
src/gallium/drivers/softpipe/sp_tex_sample.c
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@ -601,15 +601,25 @@ get_texel(struct tgsi_sampler *sampler,
unsigned face, unsigned level, int x, int y, int z,
float rgba[NUM_CHANNELS][QUAD_SIZE], unsigned j)
{
const int tx = x % TILE_SIZE;
const int ty = y % TILE_SIZE;
const struct softpipe_cached_tile *tile
= sp_get_cached_tile_tex(sampler->pipe, sampler->cache,
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];
rgba[3][j] = tile->data.color[ty][tx][3];
if (x < 0 || x >= sampler->texture->width[level] ||
y < 0 || y >= sampler->texture->height[level] ||
z < 0 || z >= sampler->texture->depth[level]) {
rgba[0][j] = sampler->state->border_color[0];
rgba[1][j] = sampler->state->border_color[1];
rgba[2][j] = sampler->state->border_color[2];
rgba[3][j] = sampler->state->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(sampler->pipe, sampler->cache,
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];
rgba[3][j] = tile->data.color[ty][tx][3];
}
}