From 779e9cb658dba4ef44fae7e8aa62409f7227f46c Mon Sep 17 00:00:00 2001 From: Brian Paul Date: Tue, 25 Jan 2011 20:27:10 -0700 Subject: softpipe: support for 1D/2D texture arrays --- src/gallium/drivers/softpipe/sp_screen.c | 4 + src/gallium/drivers/softpipe/sp_tex_sample.c | 201 +++++++++++++++++++++++++++ src/gallium/drivers/softpipe/sp_texture.c | 6 +- 3 files changed, 210 insertions(+), 1 deletion(-) (limited to 'src/gallium/drivers/softpipe') diff --git a/src/gallium/drivers/softpipe/sp_screen.c b/src/gallium/drivers/softpipe/sp_screen.c index e19f2e6fc7..6d47fb9628 100644 --- a/src/gallium/drivers/softpipe/sp_screen.c +++ b/src/gallium/drivers/softpipe/sp_screen.c @@ -125,6 +125,8 @@ softpipe_get_param(struct pipe_screen *screen, enum pipe_cap param) return 1; case PIPE_CAP_INSTANCED_DRAWING: return 1; + case PIPE_CAP_ARRAY_TEXTURES: + return 1; default: return 0; } @@ -185,7 +187,9 @@ softpipe_is_format_supported( struct pipe_screen *screen, assert(target == PIPE_BUFFER || target == PIPE_TEXTURE_1D || + target == PIPE_TEXTURE_1D_ARRAY || target == PIPE_TEXTURE_2D || + target == PIPE_TEXTURE_2D_ARRAY || target == PIPE_TEXTURE_RECT || target == PIPE_TEXTURE_3D || target == PIPE_TEXTURE_CUBE); diff --git a/src/gallium/drivers/softpipe/sp_tex_sample.c b/src/gallium/drivers/softpipe/sp_tex_sample.c index 242c27c7eb..15f7eb2b94 100644 --- a/src/gallium/drivers/softpipe/sp_tex_sample.c +++ b/src/gallium/drivers/softpipe/sp_tex_sample.c @@ -539,6 +539,19 @@ wrap_linear_unorm_clamp_to_edge(const float s[4], unsigned size, } +/** + * Do coordinate to array index conversion. For array textures. + */ +static INLINE void +wrap_array_layer(const float coord[4], unsigned size, int layer[4]) +{ + uint ch; + for (ch = 0; ch < 4; ch++) { + int c = util_ifloor(coord[ch] + 0.5F); + layer[ch] = CLAMP(c, 0, size - 1); + } +} + /** * Examine the quad's texture coordinates to compute the partial @@ -989,6 +1002,47 @@ img_filter_1d_nearest(struct tgsi_sampler *tgsi_sampler, } +static void +img_filter_1d_array_nearest(struct tgsi_sampler *tgsi_sampler, + const float s[QUAD_SIZE], + const float t[QUAD_SIZE], + const float p[QUAD_SIZE], + const float c0[QUAD_SIZE], + enum tgsi_sampler_control control, + float rgba[NUM_CHANNELS][QUAD_SIZE]) +{ + const struct sp_sampler_variant *samp = sp_sampler_variant(tgsi_sampler); + const struct pipe_resource *texture = samp->view->texture; + unsigned level0, j; + int width; + int x[4], layer[4]; + union tex_tile_address addr; + + level0 = samp->level; + width = u_minify(texture->width0, level0); + + assert(width > 0); + + addr.value = 0; + addr.bits.level = samp->level; + + samp->nearest_texcoord_s(s, width, x); + wrap_array_layer(t, texture->height0, layer); + + for (j = 0; j < QUAD_SIZE; j++) { + const float *out = get_texel_2d(samp, addr, x[j], layer[j]); + int c; + for (c = 0; c < 4; c++) { + rgba[c][j] = out[c]; + } + } + + if (DEBUG_TEX) { + print_sample(__FUNCTION__, rgba); + } +} + + static void img_filter_2d_nearest(struct tgsi_sampler *tgsi_sampler, const float s[QUAD_SIZE], @@ -1033,6 +1087,50 @@ img_filter_2d_nearest(struct tgsi_sampler *tgsi_sampler, } +static void +img_filter_2d_array_nearest(struct tgsi_sampler *tgsi_sampler, + const float s[QUAD_SIZE], + const float t[QUAD_SIZE], + const float p[QUAD_SIZE], + const float c0[QUAD_SIZE], + enum tgsi_sampler_control control, + float rgba[NUM_CHANNELS][QUAD_SIZE]) +{ + const struct sp_sampler_variant *samp = sp_sampler_variant(tgsi_sampler); + const struct pipe_resource *texture = samp->view->texture; + unsigned level0, j; + int width, height; + int x[4], y[4], layer[4]; + union tex_tile_address addr; + + level0 = samp->level; + width = u_minify(texture->width0, level0); + height = u_minify(texture->height0, level0); + + assert(width > 0); + assert(height > 0); + + addr.value = 0; + addr.bits.level = samp->level; + + samp->nearest_texcoord_s(s, width, x); + samp->nearest_texcoord_t(t, height, y); + wrap_array_layer(p, texture->depth0, layer); + + for (j = 0; j < QUAD_SIZE; j++) { + const float *out = get_texel_3d(samp, addr, x[j], y[j], layer[j]); + int c; + for (c = 0; c < 4; c++) { + rgba[c][j] = out[c]; + } + } + + if (DEBUG_TEX) { + print_sample(__FUNCTION__, rgba); + } +} + + static INLINE union tex_tile_address face(union tex_tile_address addr, unsigned face ) { @@ -1167,6 +1265,47 @@ img_filter_1d_linear(struct tgsi_sampler *tgsi_sampler, } +static void +img_filter_1d_array_linear(struct tgsi_sampler *tgsi_sampler, + const float s[QUAD_SIZE], + const float t[QUAD_SIZE], + const float p[QUAD_SIZE], + const float c0[QUAD_SIZE], + enum tgsi_sampler_control control, + float rgba[NUM_CHANNELS][QUAD_SIZE]) +{ + const struct sp_sampler_variant *samp = sp_sampler_variant(tgsi_sampler); + const struct pipe_resource *texture = samp->view->texture; + unsigned level0, j; + int width; + int x0[4], x1[4], layer[4]; + float xw[4]; /* weights */ + union tex_tile_address addr; + + level0 = samp->level; + width = u_minify(texture->width0, level0); + + assert(width > 0); + + addr.value = 0; + addr.bits.level = samp->level; + + samp->linear_texcoord_s(s, width, x0, x1, xw); + wrap_array_layer(t, texture->height0, layer); + + for (j = 0; j < QUAD_SIZE; j++) { + const float *tx0 = get_texel_2d(samp, addr, x0[j], layer[j]); + const float *tx1 = get_texel_2d(samp, addr, x1[j], layer[j]); + int c; + + /* interpolate R, G, B, A */ + for (c = 0; c < 4; c++) { + 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], @@ -1214,6 +1353,54 @@ img_filter_2d_linear(struct tgsi_sampler *tgsi_sampler, } +static void +img_filter_2d_array_linear(struct tgsi_sampler *tgsi_sampler, + const float s[QUAD_SIZE], + const float t[QUAD_SIZE], + const float p[QUAD_SIZE], + const float c0[QUAD_SIZE], + enum tgsi_sampler_control control, + float rgba[NUM_CHANNELS][QUAD_SIZE]) +{ + const struct sp_sampler_variant *samp = sp_sampler_variant(tgsi_sampler); + const struct pipe_resource *texture = samp->view->texture; + unsigned level0, j; + int width, height; + int x0[4], y0[4], x1[4], y1[4], layer[4]; + float xw[4], yw[4]; /* weights */ + union tex_tile_address addr; + + level0 = samp->level; + width = u_minify(texture->width0, level0); + height = u_minify(texture->height0, level0); + + assert(width > 0); + assert(height > 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); + wrap_array_layer(p, texture->depth0, layer); + + for (j = 0; j < QUAD_SIZE; j++) { + const float *tx0 = get_texel_3d(samp, addr, x0[j], y0[j], layer[j]); + const float *tx1 = get_texel_3d(samp, addr, x1[j], y0[j], layer[j]); + const float *tx2 = get_texel_3d(samp, addr, x0[j], y1[j], layer[j]); + const float *tx3 = get_texel_3d(samp, addr, x1[j], y1[j], layer[j]); + int c; + + /* interpolate R, G, B, A */ + for (c = 0; c < 4; c++) { + rgba[c][j] = lerp_2d(xw[j], yw[j], + tx0[c], tx1[c], + tx2[c], tx3[c]); + } + } +} + + static void img_filter_cube_linear(struct tgsi_sampler *tgsi_sampler, const float s[QUAD_SIZE], @@ -1906,8 +2093,10 @@ get_lambda_func(const union sp_sampler_key key) switch (key.bits.target) { case PIPE_TEXTURE_1D: + case PIPE_TEXTURE_1D_ARRAY: return compute_lambda_1d; case PIPE_TEXTURE_2D: + case PIPE_TEXTURE_2D_ARRAY: case PIPE_TEXTURE_RECT: case PIPE_TEXTURE_CUBE: return compute_lambda_2d; @@ -1932,6 +2121,12 @@ get_img_filter(const union sp_sampler_key key, else return img_filter_1d_linear; break; + case PIPE_TEXTURE_1D_ARRAY: + if (filter == PIPE_TEX_FILTER_NEAREST) + return img_filter_1d_array_nearest; + else + return img_filter_1d_array_linear; + break; case PIPE_TEXTURE_2D: case PIPE_TEXTURE_RECT: /* Try for fast path: @@ -1967,6 +2162,12 @@ get_img_filter(const union sp_sampler_key key, else return img_filter_2d_linear; break; + case PIPE_TEXTURE_2D_ARRAY: + if (filter == PIPE_TEX_FILTER_NEAREST) + return img_filter_2d_array_nearest; + else + return img_filter_2d_array_linear; + break; case PIPE_TEXTURE_CUBE: if (filter == PIPE_TEX_FILTER_NEAREST) return img_filter_cube_nearest; diff --git a/src/gallium/drivers/softpipe/sp_texture.c b/src/gallium/drivers/softpipe/sp_texture.c index 509d9982b1..2daed2022e 100644 --- a/src/gallium/drivers/softpipe/sp_texture.c +++ b/src/gallium/drivers/softpipe/sp_texture.c @@ -227,9 +227,13 @@ sp_get_tex_image_offset(const struct softpipe_resource *spr, unsigned offset = spr->level_offset[level]; if (spr->base.target == PIPE_TEXTURE_CUBE || - spr->base.target == PIPE_TEXTURE_3D) { + spr->base.target == PIPE_TEXTURE_3D || + spr->base.target == PIPE_TEXTURE_2D_ARRAY) { offset += layer * nblocksy * spr->stride[level]; } + else if (spr->base.target == PIPE_TEXTURE_1D_ARRAY) { + offset += layer * spr->stride[level]; + } else { assert(layer == 0); } -- cgit v1.2.3