diff options
Diffstat (limited to 'src/gallium/drivers/softpipe')
-rw-r--r-- | src/gallium/drivers/softpipe/sp_tex_sample.c | 268 |
1 files changed, 176 insertions, 92 deletions
diff --git a/src/gallium/drivers/softpipe/sp_tex_sample.c b/src/gallium/drivers/softpipe/sp_tex_sample.c index f2d4f7eb8c..8283010740 100644 --- a/src/gallium/drivers/softpipe/sp_tex_sample.c +++ b/src/gallium/drivers/softpipe/sp_tex_sample.c @@ -592,30 +592,68 @@ compute_lambda_vert(const struct sp_sampler_varient *samp, /** * Get a texel from a texture, using the texture tile cache. * - * \param face the cube face in 0..5 - * \param level the mipmap level + * \param addr the template tex address containing cube, z, face info. * \param x the x coord of texel within 2D image * \param y the y coord of texel within 2D image - * \param z which slice of a 3D texture * \param rgba the quad to put the texel/color into - * \param j which element of the rgba quad to write to * * XXX maybe move this into sp_tex_tile_cache.c and merge with the * sp_get_cached_tile_tex() function. Also, get 4 texels instead of 1... */ -static INLINE void -get_texel_quad_2d(const struct tgsi_sampler *tgsi_sampler, - union tex_tile_address addr, - unsigned x, unsigned y, - const float *out[4]) + + + + +static INLINE const float * +get_texel_2d_no_border(const struct sp_sampler_varient *samp, + union tex_tile_address addr, int x, int y) { - const struct sp_sampler_varient *samp = sp_sampler_varient(tgsi_sampler); + const struct softpipe_tex_cached_tile *tile; + + addr.bits.x = x / TILE_SIZE; + addr.bits.y = y / TILE_SIZE; + y %= TILE_SIZE; + x %= TILE_SIZE; + + tile = sp_get_cached_tile_tex(samp->cache, addr); + + return &tile->data.color[y][x][0]; +} + + +static INLINE const float * +get_texel_2d(const struct sp_sampler_varient *samp, + union tex_tile_address addr, int x, int y) +{ + const struct pipe_texture *texture = samp->texture; + unsigned level = addr.bits.level; + + if (x < 0 || x >= (int) texture->width[level] || + y < 0 || y >= (int) texture->height[level]) { + return samp->sampler->border_color; + } + else { + return get_texel_2d_no_border( samp, addr, x, y ); + } +} - const struct softpipe_tex_cached_tile *tile - = sp_get_cached_tile_tex(samp->cache, addr); +/* Gather a quad of adjacent texels within a tile: + */ +static INLINE void +get_texel_quad_2d_no_border_single_tile(const struct sp_sampler_varient *samp, + union tex_tile_address addr, + unsigned x, unsigned y, + const float *out[4]) +{ + const struct softpipe_tex_cached_tile *tile; + + addr.bits.x = x / TILE_SIZE; + addr.bits.y = y / TILE_SIZE; y %= TILE_SIZE; x %= TILE_SIZE; + + tile = sp_get_cached_tile_tex(samp->cache, addr); out[0] = &tile->data.color[y ][x ][0]; out[1] = &tile->data.color[y ][x+1][0]; @@ -623,15 +661,50 @@ get_texel_quad_2d(const struct tgsi_sampler *tgsi_sampler, out[3] = &tile->data.color[y+1][x+1][0]; } + +/* Gather a quad of potentially non-adjacent texels: + */ +static INLINE void +get_texel_quad_2d_no_border(const struct sp_sampler_varient *samp, + union tex_tile_address addr, + int x0, int y0, + int x1, int y1, + const float *out[4]) +{ + out[0] = get_texel_2d_no_border( samp, addr, x0, y0 ); + out[1] = get_texel_2d_no_border( samp, addr, x1, y0 ); + out[2] = get_texel_2d_no_border( samp, addr, x0, y1 ); + out[3] = get_texel_2d_no_border( samp, addr, x1, y1 ); +} + +/* Can involve a lot of unnecessary checks for border color: + */ +static INLINE void +get_texel_quad_2d(const struct sp_sampler_varient *samp, + union tex_tile_address addr, + int x0, int y0, + int x1, int y1, + const float *out[4]) +{ + out[0] = get_texel_2d( samp, addr, x0, y0 ); + out[1] = get_texel_2d( samp, addr, x1, y0 ); + out[3] = get_texel_2d( samp, addr, x1, y1 ); + out[2] = get_texel_2d( samp, addr, x0, y1 ); +} + + + +/* 3d varients: + */ static INLINE const float * -get_texel_2d_ptr(const struct tgsi_sampler *tgsi_sampler, - union tex_tile_address addr, int x, int y) +get_texel_3d_no_border(const struct sp_sampler_varient *samp, + union tex_tile_address addr, int x, int y, int z) { - const struct sp_sampler_varient *samp = sp_sampler_varient(tgsi_sampler); const struct softpipe_tex_cached_tile *tile; addr.bits.x = x / TILE_SIZE; addr.bits.y = y / TILE_SIZE; + addr.bits.z = z; y %= TILE_SIZE; x %= TILE_SIZE; @@ -641,61 +714,26 @@ get_texel_2d_ptr(const struct tgsi_sampler *tgsi_sampler, } -static INLINE void -get_texel_quad_2d_mt(const struct tgsi_sampler *tgsi_sampler, - union tex_tile_address addr, - int x0, int y0, - int x1, int y1, - const float *out[4]) -{ - out[0] = get_texel_2d_ptr( tgsi_sampler, addr, x0, y0 ); - out[1] = get_texel_2d_ptr( tgsi_sampler, addr, x1, y0 ); - out[2] = get_texel_2d_ptr( tgsi_sampler, addr, x0, y1 ); - out[3] = get_texel_2d_ptr( tgsi_sampler, addr, x1, y1 ); -} - -static INLINE void -get_texel(const struct tgsi_sampler *tgsi_sampler, - unsigned face, unsigned level, int x, int y, int z, - float rgba[NUM_CHANNELS][QUAD_SIZE], unsigned j) +static INLINE const float * +get_texel_3d(const struct sp_sampler_varient *samp, + union tex_tile_address addr, int x, int y, int z ) { - const struct sp_sampler_varient *samp = sp_sampler_varient(tgsi_sampler); const struct pipe_texture *texture = samp->texture; - const struct pipe_sampler_state *sampler = samp->sampler; + unsigned level = addr.bits.level; if (x < 0 || x >= (int) texture->width[level] || y < 0 || y >= (int) texture->height[level] || z < 0 || z >= (int) texture->depth[level]) { - rgba[0][j] = sampler->border_color[0]; - rgba[1][j] = sampler->border_color[1]; - rgba[2][j] = sampler->border_color[2]; - rgba[3][j] = sampler->border_color[3]; + return samp->sampler->border_color; } else { - const unsigned tx = x % TILE_SIZE; - const unsigned ty = y % TILE_SIZE; - const struct softpipe_tex_cached_tile *tile; - - tile = sp_get_cached_tile_tex(samp->cache, - tex_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]; - rgba[3][j] = tile->data.color[ty][tx][3]; - if (0) - { - debug_printf("Get texel %f %f %f %f from %s\n", - rgba[0][j], rgba[1][j], rgba[2][j], rgba[3][j], - pf_name(texture->format)); - } + return get_texel_3d_no_border( samp, addr, x, y, z ); } } - - - +/* Some image-filter fastpaths: + */ static INLINE void img_filter_2d_linear_repeat_POT(struct tgsi_sampler *tgsi_sampler, const float s[QUAD_SIZE], @@ -738,15 +776,13 @@ img_filter_2d_linear_repeat_POT(struct tgsi_sampler *tgsi_sampler, */ if (x0 < xmax && y0 < ymax) { - addr.bits.x = x0 / TILE_SIZE; - addr.bits.y = y0 / TILE_SIZE; - get_texel_quad_2d(tgsi_sampler, addr, x0, y0, tx); + get_texel_quad_2d_no_border_single_tile(samp, addr, x0, y0, tx); } else { unsigned x1 = (x0 + 1) & (xpot - 1); unsigned y1 = (y0 + 1) & (ypot - 1); - get_texel_quad_2d_mt(tgsi_sampler, addr, x0, y0, x1, y1, tx); + get_texel_quad_2d_no_border(samp, addr, x0, y0, x1, y1, tx); } @@ -790,7 +826,7 @@ img_filter_2d_nearest_repeat_POT(struct tgsi_sampler *tgsi_sampler, int x0 = uflr & (xpot - 1); int y0 = vflr & (ypot - 1); - const float *out = get_texel_2d_ptr(tgsi_sampler, addr, x0, y0); + const float *out = get_texel_2d_no_border(samp, addr, x0, y0); for (c = 0; c < 4; c++) { rgba[c][j] = out[c]; @@ -838,7 +874,7 @@ img_filter_2d_nearest_clamp_POT(struct tgsi_sampler *tgsi_sampler, else if (y0 > ypot - 1) y0 = ypot - 1; - out = get_texel_2d_ptr(tgsi_sampler, addr, x0, y0); + out = get_texel_2d_no_border(samp, addr, x0, y0); for (c = 0; c < 4; c++) { rgba[c][j] = out[c]; @@ -859,20 +895,37 @@ img_filter_1d_nearest(struct tgsi_sampler *tgsi_sampler, unsigned level0, j; int width; int x[4]; + union tex_tile_address addr; level0 = samp->level; width = texture->width[level0]; assert(width > 0); + addr.value = 0; + addr.bits.level = samp->level; + samp->nearest_texcoord_s(s, width, x); for (j = 0; j < QUAD_SIZE; j++) { - get_texel(tgsi_sampler, 0, level0, x[j], 0, 0, rgba, j); + const float *out = get_texel_2d(samp, addr, x[j], 0); + int c; + for (c = 0; c < 4; c++) { + rgba[c][j] = out[c]; + } } } + + +static inline union tex_tile_address face( union tex_tile_address addr, + unsigned face ) +{ + addr.bits.face = face; + return addr; +} + static void img_filter_2d_nearest(struct tgsi_sampler *tgsi_sampler, const float s[QUAD_SIZE], @@ -887,18 +940,27 @@ img_filter_2d_nearest(struct tgsi_sampler *tgsi_sampler, unsigned level0, j; int width, height; int x[4], y[4]; + union tex_tile_address addr; + level0 = samp->level; width = texture->width[level0]; height = texture->height[level0]; assert(width > 0); + + addr.value = 0; + addr.bits.level = samp->level; samp->nearest_texcoord_s(s, width, x); samp->nearest_texcoord_t(t, height, y); for (j = 0; j < QUAD_SIZE; j++) { - get_texel(tgsi_sampler, faces[j], level0, x[j], y[j], 0, rgba, j); + const float *out = get_texel_2d(samp, face(addr, faces[j]), x[j], y[j]); + int c; + for (c = 0; c < 4; c++) { + rgba[c][j] = out[c]; + } } } @@ -916,6 +978,7 @@ img_filter_3d_nearest(struct tgsi_sampler *tgsi_sampler, unsigned level0, j; int width, height, depth; int x[4], y[4], z[4]; + union tex_tile_address addr; level0 = samp->level; width = texture->width[level0]; @@ -930,8 +993,15 @@ img_filter_3d_nearest(struct tgsi_sampler *tgsi_sampler, samp->nearest_texcoord_t(t, height, y); samp->nearest_texcoord_p(p, depth, z); + addr.value = 0; + addr.bits.level = samp->level; + for (j = 0; j < QUAD_SIZE; j++) { - get_texel(tgsi_sampler, 0, level0, x[j], y[j], z[j], rgba, j); + const float *out = get_texel_3d(samp, addr, x[j], y[j], z[j]); + int c; + for (c = 0; c < 4; c++) { + rgba[c][j] = out[c]; + } } } @@ -950,6 +1020,7 @@ img_filter_1d_linear(struct tgsi_sampler *tgsi_sampler, int width; int x0[4], x1[4]; float xw[4]; /* weights */ + union tex_tile_address addr; level0 = samp->level; @@ -957,22 +1028,27 @@ img_filter_1d_linear(struct tgsi_sampler *tgsi_sampler, assert(width > 0); + addr.value = 0; + addr.bits.level = samp->level; + samp->linear_texcoord_s(s, width, x0, x1, xw); for (j = 0; j < QUAD_SIZE; j++) { - float tx[4][4]; /* texels */ + const float *tx0 = get_texel_2d(samp, addr, x0[j], 0); + const float *tx1 = get_texel_2d(samp, addr, x1[j], 0); int c; - get_texel(tgsi_sampler, 0, level0, x0[j], 0, 0, tx, 0); - get_texel(tgsi_sampler, 0, level0, x1[j], 0, 0, tx, 1); /* interpolate R, G, B, A */ for (c = 0; c < 4; c++) { - rgba[c][j] = lerp(xw[j], tx[c][0], tx[c][1]); + rgba[c][j] = lerp(xw[j], tx0[c], tx1[c]); } } } + + + static void img_filter_2d_linear(struct tgsi_sampler *tgsi_sampler, const float s[QUAD_SIZE], @@ -988,6 +1064,7 @@ img_filter_2d_linear(struct tgsi_sampler *tgsi_sampler, int width, height; int x0[4], y0[4], x1[4], y1[4]; float xw[4], yw[4]; /* weights */ + union tex_tile_address addr; level0 = samp->level; @@ -996,22 +1073,25 @@ img_filter_2d_linear(struct tgsi_sampler *tgsi_sampler, assert(width > 0); + addr.value = 0; + addr.bits.level = samp->level; + samp->linear_texcoord_s(s, width, x0, x1, xw); samp->linear_texcoord_t(t, height, y0, y1, yw); for (j = 0; j < QUAD_SIZE; j++) { - float tx[4][4]; /* texels */ + union tex_tile_address addrj = face(addr, faces[j]); + const float *tx0 = get_texel_2d(samp, addrj, x0[j], y0[j]); + const float *tx1 = get_texel_2d(samp, addrj, x1[j], y0[j]); + const float *tx2 = get_texel_2d(samp, addrj, x0[j], y1[j]); + const float *tx3 = get_texel_2d(samp, addrj, x1[j], y1[j]); int c; - get_texel(tgsi_sampler, faces[j], level0, x0[j], y0[j], 0, tx, 0); - get_texel(tgsi_sampler, faces[j], level0, x1[j], y0[j], 0, tx, 1); - get_texel(tgsi_sampler, faces[j], level0, x0[j], y1[j], 0, tx, 2); - get_texel(tgsi_sampler, faces[j], level0, x1[j], y1[j], 0, tx, 3); /* interpolate R, G, B, A */ for (c = 0; c < 4; c++) { rgba[c][j] = lerp_2d(xw[j], yw[j], - tx[c][0], tx[c][1], - tx[c][2], tx[c][3]); + tx0[c], tx1[c], + tx2[c], tx3[c]); } } } @@ -1031,12 +1111,16 @@ img_filter_3d_linear(struct tgsi_sampler *tgsi_sampler, int width, height, depth; int x0[4], x1[4], y0[4], y1[4], z0[4], z1[4]; float xw[4], yw[4], zw[4]; /* interpolation weights */ + union tex_tile_address addr; level0 = samp->level; width = texture->width[level0]; height = texture->height[level0]; depth = texture->depth[level0]; + addr.value = 0; + addr.bits.level = level0; + assert(width > 0); assert(height > 0); assert(depth > 0); @@ -1046,25 +1130,25 @@ img_filter_3d_linear(struct tgsi_sampler *tgsi_sampler, samp->linear_texcoord_p(p, depth, z0, z1, zw); for (j = 0; j < QUAD_SIZE; j++) { - float tx0[4][4], tx1[4][4]; int c; - - get_texel(tgsi_sampler, 0, level0, x0[j], y0[j], z0[j], tx0, 0); - get_texel(tgsi_sampler, 0, level0, x1[j], y0[j], z0[j], tx0, 1); - get_texel(tgsi_sampler, 0, level0, x0[j], y1[j], z0[j], tx0, 2); - get_texel(tgsi_sampler, 0, level0, x1[j], y1[j], z0[j], tx0, 3); - get_texel(tgsi_sampler, 0, level0, x0[j], y0[j], z1[j], tx1, 0); - get_texel(tgsi_sampler, 0, level0, x1[j], y0[j], z1[j], tx1, 1); - get_texel(tgsi_sampler, 0, level0, x0[j], y1[j], z1[j], tx1, 2); - get_texel(tgsi_sampler, 0, level0, x1[j], y1[j], z1[j], tx1, 3); + const float *tx00 = get_texel_3d(samp, addr, x0[j], y0[j], z0[j]); + const float *tx01 = get_texel_3d(samp, addr, x1[j], y0[j], z0[j]); + const float *tx02 = get_texel_3d(samp, addr, x0[j], y1[j], z0[j]); + const float *tx03 = get_texel_3d(samp, addr, x1[j], y1[j], z0[j]); + + const float *tx10 = get_texel_3d(samp, addr, x0[j], y0[j], z1[j]); + const float *tx11 = get_texel_3d(samp, addr, x1[j], y0[j], z1[j]); + const float *tx12 = get_texel_3d(samp, addr, x0[j], y1[j], z1[j]); + const float *tx13 = get_texel_3d(samp, addr, x1[j], y1[j], z1[j]); + /* interpolate R, G, B, A */ for (c = 0; c < 4; c++) { rgba[c][j] = lerp_3d(xw[j], yw[j], zw[j], - tx0[c][0], tx0[c][1], - tx0[c][2], tx0[c][3], - tx1[c][0], tx1[c][1], - tx1[c][2], tx1[c][3]); + tx00[c], tx01[c], + tx02[c], tx03[c], + tx10[c], tx11[c], + tx12[c], tx13[c]); } } } |