diff options
Diffstat (limited to 'src/gallium/drivers/softpipe')
| -rw-r--r-- | src/gallium/drivers/softpipe/sp_context.c | 13 | ||||
| -rw-r--r-- | src/gallium/drivers/softpipe/sp_context.h | 23 | ||||
| -rw-r--r-- | src/gallium/drivers/softpipe/sp_prim_vbuf.c | 80 | ||||
| -rw-r--r-- | src/gallium/drivers/softpipe/sp_state.h | 1 | ||||
| -rw-r--r-- | src/gallium/drivers/softpipe/sp_state_blend.c | 4 | ||||
| -rw-r--r-- | src/gallium/drivers/softpipe/sp_state_derived.c | 30 | ||||
| -rw-r--r-- | src/gallium/drivers/softpipe/sp_state_fs.c | 10 | ||||
| -rw-r--r-- | src/gallium/drivers/softpipe/sp_state_sampler.c | 123 | ||||
| -rw-r--r-- | src/gallium/drivers/softpipe/sp_tex_sample.c | 2238 | ||||
| -rw-r--r-- | src/gallium/drivers/softpipe/sp_tex_sample.h | 116 | ||||
| -rw-r--r-- | src/gallium/drivers/softpipe/sp_tex_tile_cache.c | 21 | ||||
| -rw-r--r-- | src/gallium/drivers/softpipe/sp_texture.c | 8 | ||||
| -rw-r--r-- | src/gallium/drivers/softpipe/sp_texture.h | 4 | ||||
| -rw-r--r-- | src/gallium/drivers/softpipe/sp_tile_cache.c | 3 | ||||
| -rw-r--r-- | src/gallium/drivers/softpipe/sp_tile_cache.h | 1 |
15 files changed, 1472 insertions, 1203 deletions
diff --git a/src/gallium/drivers/softpipe/sp_context.c b/src/gallium/drivers/softpipe/sp_context.c index 396d4c6557..48ec540ebf 100644 --- a/src/gallium/drivers/softpipe/sp_context.c +++ b/src/gallium/drivers/softpipe/sp_context.c @@ -228,19 +228,6 @@ softpipe_create( struct pipe_screen *screen ) softpipe->quad.depth_test = sp_quad_depth_test_stage(softpipe); softpipe->quad.blend = sp_quad_blend_stage(softpipe); - /* vertex shader samplers */ - for (i = 0; i < PIPE_MAX_SAMPLERS; i++) { - softpipe->tgsi.vert_samplers[i].base.get_samples = sp_get_samples_vertex; - softpipe->tgsi.vert_samplers[i].cache = softpipe->tex_cache[i]; - softpipe->tgsi.vert_samplers_list[i] = &softpipe->tgsi.vert_samplers[i]; - } - - /* fragment shader samplers */ - for (i = 0; i < PIPE_MAX_SAMPLERS; i++) { - softpipe->tgsi.frag_samplers[i].base.get_samples = sp_get_samples_fragment; - softpipe->tgsi.frag_samplers[i].cache = softpipe->tex_cache[i]; - softpipe->tgsi.frag_samplers_list[i] = &softpipe->tgsi.frag_samplers[i]; - } /* * Create drawing context and plug our rendering stage into it. diff --git a/src/gallium/drivers/softpipe/sp_context.h b/src/gallium/drivers/softpipe/sp_context.h index 683c3aef9b..df45d2249f 100644 --- a/src/gallium/drivers/softpipe/sp_context.h +++ b/src/gallium/drivers/softpipe/sp_context.h @@ -36,7 +36,6 @@ #include "draw/draw_vertex.h" #include "sp_quad_pipe.h" -#include "sp_tex_sample.h" struct softpipe_vbuf_render; @@ -52,12 +51,12 @@ struct softpipe_context { struct pipe_context pipe; /**< base class */ /** Constant state objects */ - const struct pipe_blend_state *blend; - const struct pipe_sampler_state *sampler[PIPE_MAX_SAMPLERS]; - const struct pipe_depth_stencil_alpha_state *depth_stencil; - const struct pipe_rasterizer_state *rasterizer; - const struct sp_fragment_shader *fs; - const struct sp_vertex_shader *vs; + struct pipe_blend_state *blend; + struct pipe_sampler_state *sampler[PIPE_MAX_SAMPLERS]; + struct pipe_depth_stencil_alpha_state *depth_stencil; + struct pipe_rasterizer_state *rasterizer; + struct sp_fragment_shader *fs; + struct sp_vertex_shader *vs; /** Other rendering state */ struct pipe_blend_color blend_color; @@ -124,10 +123,8 @@ struct softpipe_context { /** TGSI exec things */ struct { - struct sp_shader_sampler vert_samplers[PIPE_MAX_SAMPLERS]; - struct sp_shader_sampler *vert_samplers_list[PIPE_MAX_SAMPLERS]; - struct sp_shader_sampler frag_samplers[PIPE_MAX_SAMPLERS]; - struct sp_shader_sampler *frag_samplers_list[PIPE_MAX_SAMPLERS]; + struct sp_sampler_varient *vert_samplers_list[PIPE_MAX_SAMPLERS]; + struct sp_sampler_varient *frag_samplers_list[PIPE_MAX_SAMPLERS]; } tgsi; /** The primitive drawing context */ @@ -156,5 +153,9 @@ softpipe_context( struct pipe_context *pipe ) return (struct softpipe_context *)pipe; } +void +softpipe_reset_sampler_varients(struct softpipe_context *softpipe); + + #endif /* SP_CONTEXT_H */ diff --git a/src/gallium/drivers/softpipe/sp_prim_vbuf.c b/src/gallium/drivers/softpipe/sp_prim_vbuf.c index 1dd63d99ff..76524a8d41 100644 --- a/src/gallium/drivers/softpipe/sp_prim_vbuf.c +++ b/src/gallium/drivers/softpipe/sp_prim_vbuf.c @@ -239,14 +239,16 @@ sp_vbuf_draw(struct vbuf_render *vbr, const ushort *indices, uint nr) break; case PIPE_PRIM_TRIANGLES: - for (i = 2; i < nr; i += 3) { - if (softpipe->rasterizer->flatshade_first) { + if (softpipe->rasterizer->flatshade_first) { + for (i = 2; i < nr; i += 3) { setup_tri( setup_ctx, get_vert(vertex_buffer, indices[i-1], stride), get_vert(vertex_buffer, indices[i-0], stride), get_vert(vertex_buffer, indices[i-2], stride) ); } - else { + } + else { + for (i = 2; i < nr; i += 3) { setup_tri( setup_ctx, get_vert(vertex_buffer, indices[i-2], stride), get_vert(vertex_buffer, indices[i-1], stride), @@ -256,14 +258,16 @@ sp_vbuf_draw(struct vbuf_render *vbr, const ushort *indices, uint nr) break; case PIPE_PRIM_TRIANGLE_STRIP: - for (i = 2; i < nr; i += 1) { - if (softpipe->rasterizer->flatshade_first) { + if (softpipe->rasterizer->flatshade_first) { + for (i = 2; i < nr; i += 1) { setup_tri( setup_ctx, get_vert(vertex_buffer, indices[i+(i&1)-1], stride), get_vert(vertex_buffer, indices[i-(i&1)], stride), get_vert(vertex_buffer, indices[i-2], stride) ); } - else { + } + else { + for (i = 2; i < nr; i += 1) { setup_tri( setup_ctx, get_vert(vertex_buffer, indices[i+(i&1)-2], stride), get_vert(vertex_buffer, indices[i-(i&1)-1], stride), @@ -273,14 +277,16 @@ sp_vbuf_draw(struct vbuf_render *vbr, const ushort *indices, uint nr) break; case PIPE_PRIM_TRIANGLE_FAN: - for (i = 2; i < nr; i += 1) { - if (softpipe->rasterizer->flatshade_first) { + if (softpipe->rasterizer->flatshade_first) { + for (i = 2; i < nr; i += 1) { setup_tri( setup_ctx, get_vert(vertex_buffer, indices[i-0], stride), get_vert(vertex_buffer, indices[0], stride), get_vert(vertex_buffer, indices[i-1], stride) ); } - else { + } + else { + for (i = 2; i < nr; i += 1) { setup_tri( setup_ctx, get_vert(vertex_buffer, indices[0], stride), get_vert(vertex_buffer, indices[i-1], stride), @@ -290,8 +296,8 @@ sp_vbuf_draw(struct vbuf_render *vbr, const ushort *indices, uint nr) break; case PIPE_PRIM_QUADS: - for (i = 3; i < nr; i += 4) { - if (softpipe->rasterizer->flatshade_first) { + if (softpipe->rasterizer->flatshade_first) { + for (i = 3; i < nr; i += 4) { setup_tri( setup_ctx, get_vert(vertex_buffer, indices[i-2], stride), get_vert(vertex_buffer, indices[i-1], stride), @@ -301,7 +307,9 @@ sp_vbuf_draw(struct vbuf_render *vbr, const ushort *indices, uint nr) get_vert(vertex_buffer, indices[i-0], stride), get_vert(vertex_buffer, indices[i-3], stride) ); } - else { + } + else { + for (i = 3; i < nr; i += 4) { setup_tri( setup_ctx, get_vert(vertex_buffer, indices[i-3], stride), get_vert(vertex_buffer, indices[i-2], stride), @@ -316,8 +324,8 @@ sp_vbuf_draw(struct vbuf_render *vbr, const ushort *indices, uint nr) break; case PIPE_PRIM_QUAD_STRIP: - for (i = 3; i < nr; i += 2) { - if (softpipe->rasterizer->flatshade_first) { + if (softpipe->rasterizer->flatshade_first) { + for (i = 3; i < nr; i += 2) { setup_tri( setup_ctx, get_vert(vertex_buffer, indices[i-0], stride), get_vert(vertex_buffer, indices[i-1], stride), @@ -327,7 +335,9 @@ sp_vbuf_draw(struct vbuf_render *vbr, const ushort *indices, uint nr) get_vert(vertex_buffer, indices[i-0], stride), get_vert(vertex_buffer, indices[i-3], stride) ); } - else { + } + else { + for (i = 3; i < nr; i += 2) { setup_tri( setup_ctx, get_vert(vertex_buffer, indices[i-3], stride), get_vert(vertex_buffer, indices[i-2], stride), @@ -423,14 +433,16 @@ sp_vbuf_draw_arrays(struct vbuf_render *vbr, uint start, uint nr) break; case PIPE_PRIM_TRIANGLES: - for (i = 2; i < nr; i += 3) { - if (softpipe->rasterizer->flatshade_first) { + if (softpipe->rasterizer->flatshade_first) { + for (i = 2; i < nr; i += 3) { setup_tri( setup_ctx, get_vert(vertex_buffer, i-1, stride), get_vert(vertex_buffer, i-0, stride), get_vert(vertex_buffer, i-2, stride) ); } - else { + } + else { + for (i = 2; i < nr; i += 3) { setup_tri( setup_ctx, get_vert(vertex_buffer, i-2, stride), get_vert(vertex_buffer, i-1, stride), @@ -440,14 +452,16 @@ sp_vbuf_draw_arrays(struct vbuf_render *vbr, uint start, uint nr) break; case PIPE_PRIM_TRIANGLE_STRIP: - for (i = 2; i < nr; i++) { - if (softpipe->rasterizer->flatshade_first) { + if (softpipe->rasterizer->flatshade_first) { + for (i = 2; i < nr; i++) { setup_tri( setup_ctx, get_vert(vertex_buffer, i+(i&1)-1, stride), get_vert(vertex_buffer, i-(i&1), stride), get_vert(vertex_buffer, i-2, stride) ); } - else { + } + else { + for (i = 2; i < nr; i++) { setup_tri( setup_ctx, get_vert(vertex_buffer, i+(i&1)-2, stride), get_vert(vertex_buffer, i-(i&1)-1, stride), @@ -457,14 +471,16 @@ sp_vbuf_draw_arrays(struct vbuf_render *vbr, uint start, uint nr) break; case PIPE_PRIM_TRIANGLE_FAN: - for (i = 2; i < nr; i += 1) { - if (softpipe->rasterizer->flatshade_first) { + if (softpipe->rasterizer->flatshade_first) { + for (i = 2; i < nr; i += 1) { setup_tri( setup_ctx, get_vert(vertex_buffer, i-0, stride), get_vert(vertex_buffer, 0, stride), get_vert(vertex_buffer, i-1, stride) ); } - else { + } + else { + for (i = 2; i < nr; i += 1) { setup_tri( setup_ctx, get_vert(vertex_buffer, 0, stride), get_vert(vertex_buffer, i-1, stride), @@ -474,8 +490,8 @@ sp_vbuf_draw_arrays(struct vbuf_render *vbr, uint start, uint nr) break; case PIPE_PRIM_QUADS: - for (i = 3; i < nr; i += 4) { - if (softpipe->rasterizer->flatshade_first) { + if (softpipe->rasterizer->flatshade_first) { + for (i = 3; i < nr; i += 4) { setup_tri( setup_ctx, get_vert(vertex_buffer, i-2, stride), get_vert(vertex_buffer, i-1, stride), @@ -485,7 +501,9 @@ sp_vbuf_draw_arrays(struct vbuf_render *vbr, uint start, uint nr) get_vert(vertex_buffer, i-0, stride), get_vert(vertex_buffer, i-3, stride) ); } - else { + } + else { + for (i = 3; i < nr; i += 4) { setup_tri( setup_ctx, get_vert(vertex_buffer, i-3, stride), get_vert(vertex_buffer, i-2, stride), @@ -499,8 +517,8 @@ sp_vbuf_draw_arrays(struct vbuf_render *vbr, uint start, uint nr) break; case PIPE_PRIM_QUAD_STRIP: - for (i = 3; i < nr; i += 2) { - if (softpipe->rasterizer->flatshade_first) { + if (softpipe->rasterizer->flatshade_first) { + for (i = 3; i < nr; i += 2) { setup_tri( setup_ctx, get_vert(vertex_buffer, i-0, stride), get_vert(vertex_buffer, i-1, stride), @@ -510,7 +528,9 @@ sp_vbuf_draw_arrays(struct vbuf_render *vbr, uint start, uint nr) get_vert(vertex_buffer, i-0, stride), get_vert(vertex_buffer, i-3, stride) ); } - else { + } + else { + for (i = 3; i < nr; i += 2) { setup_tri( setup_ctx, get_vert(vertex_buffer, i-3, stride), get_vert(vertex_buffer, i-2, stride), diff --git a/src/gallium/drivers/softpipe/sp_state.h b/src/gallium/drivers/softpipe/sp_state.h index 9776e978e3..77ee3c1136 100644 --- a/src/gallium/drivers/softpipe/sp_state.h +++ b/src/gallium/drivers/softpipe/sp_state.h @@ -87,6 +87,7 @@ struct sp_fragment_shader { struct sp_vertex_shader { struct pipe_shader_state shader; struct draw_vertex_shader *draw_data; + int max_sampler; /* -1 if no samplers */ }; diff --git a/src/gallium/drivers/softpipe/sp_state_blend.c b/src/gallium/drivers/softpipe/sp_state_blend.c index 384fe559af..efed082f82 100644 --- a/src/gallium/drivers/softpipe/sp_state_blend.c +++ b/src/gallium/drivers/softpipe/sp_state_blend.c @@ -45,7 +45,7 @@ void softpipe_bind_blend_state( struct pipe_context *pipe, { struct softpipe_context *softpipe = softpipe_context(pipe); - softpipe->blend = (const struct pipe_blend_state *)blend; + softpipe->blend = (struct pipe_blend_state *)blend; softpipe->dirty |= SP_NEW_BLEND; } @@ -86,7 +86,7 @@ softpipe_bind_depth_stencil_state(struct pipe_context *pipe, { struct softpipe_context *softpipe = softpipe_context(pipe); - softpipe->depth_stencil = (const struct pipe_depth_stencil_alpha_state *)depth_stencil; + softpipe->depth_stencil = (struct pipe_depth_stencil_alpha_state *)depth_stencil; softpipe->dirty |= SP_NEW_DEPTH_STENCIL_ALPHA; } diff --git a/src/gallium/drivers/softpipe/sp_state_derived.c b/src/gallium/drivers/softpipe/sp_state_derived.c index 88a6e4fbdf..04fc125e3d 100644 --- a/src/gallium/drivers/softpipe/sp_state_derived.c +++ b/src/gallium/drivers/softpipe/sp_state_derived.c @@ -34,6 +34,8 @@ #include "sp_context.h" #include "sp_screen.h" #include "sp_state.h" +#include "sp_texture.h" +#include "sp_tex_tile_cache.h" /** @@ -198,24 +200,22 @@ update_tgsi_samplers( struct softpipe_context *softpipe ) { unsigned i; - /* vertex shader samplers */ - for (i = 0; i < PIPE_MAX_SAMPLERS; i++) { - softpipe->tgsi.vert_samplers[i].sampler = softpipe->sampler[i]; - softpipe->tgsi.vert_samplers[i].texture = softpipe->texture[i]; - } - - /* fragment shader samplers */ - for (i = 0; i < PIPE_MAX_SAMPLERS; i++) { - softpipe->tgsi.frag_samplers[i].sampler = softpipe->sampler[i]; - softpipe->tgsi.frag_samplers[i].texture = softpipe->texture[i]; - softpipe->tgsi.frag_samplers[i].base.get_samples = sp_get_samples_fragment; - } + softpipe_reset_sampler_varients( softpipe ); for (i = 0; i < PIPE_MAX_SAMPLERS; i++) { - sp_tex_tile_cache_validate_texture( softpipe->tex_cache[i] ); + struct softpipe_tex_tile_cache *tc = softpipe->tex_cache[i]; + if (tc->texture) { + struct softpipe_texture *spt = softpipe_texture(tc->texture); + if (spt->timestamp != tc->timestamp) { + sp_tex_tile_cache_validate_texture( tc ); + _debug_printf("INV %d %d\n", tc->timestamp, spt->timestamp); + tc->timestamp = spt->timestamp; + } + } } } + /* Hopefully this will remain quite simple, otherwise need to pull in * something like the state tracker mechanism. */ @@ -231,7 +231,9 @@ void softpipe_update_derived( struct softpipe_context *softpipe ) } if (softpipe->dirty & (SP_NEW_SAMPLER | - SP_NEW_TEXTURE)) + SP_NEW_TEXTURE | + SP_NEW_FS | + SP_NEW_VS)) update_tgsi_samplers( softpipe ); if (softpipe->dirty & (SP_NEW_RASTERIZER | diff --git a/src/gallium/drivers/softpipe/sp_state_fs.c b/src/gallium/drivers/softpipe/sp_state_fs.c index 108ac8b9bb..256faa94b8 100644 --- a/src/gallium/drivers/softpipe/sp_state_fs.c +++ b/src/gallium/drivers/softpipe/sp_state_fs.c @@ -31,9 +31,8 @@ #include "pipe/p_defines.h" #include "util/u_memory.h" -#include "pipe/internal/p_winsys_screen.h" -#include "pipe/p_shader_tokens.h" #include "draw/draw_context.h" +#include "draw/draw_vs.h" #include "tgsi/tgsi_dump.h" #include "tgsi/tgsi_scan.h" #include "tgsi/tgsi_parse.h" @@ -108,6 +107,8 @@ softpipe_create_vs_state(struct pipe_context *pipe, if (state->draw_data == NULL) goto fail; + state->max_sampler = state->draw_data->info.file_max[TGSI_FILE_SAMPLER]; + return state; fail: @@ -125,7 +126,7 @@ softpipe_bind_vs_state(struct pipe_context *pipe, void *vs) { struct softpipe_context *softpipe = softpipe_context(pipe); - softpipe->vs = (const struct sp_vertex_shader *)vs; + softpipe->vs = (struct sp_vertex_shader *) vs; draw_bind_vertex_shader(softpipe->draw, (softpipe->vs ? softpipe->vs->draw_data : NULL)); @@ -139,8 +140,7 @@ softpipe_delete_vs_state(struct pipe_context *pipe, void *vs) { struct softpipe_context *softpipe = softpipe_context(pipe); - struct sp_vertex_shader *state = - (struct sp_vertex_shader *)vs; + struct sp_vertex_shader *state = (struct sp_vertex_shader *) vs; draw_delete_vertex_shader(softpipe->draw, state->draw_data); FREE( state ); diff --git a/src/gallium/drivers/softpipe/sp_state_sampler.c b/src/gallium/drivers/softpipe/sp_state_sampler.c index a725925264..db0b8ab76b 100644 --- a/src/gallium/drivers/softpipe/sp_state_sampler.c +++ b/src/gallium/drivers/softpipe/sp_state_sampler.c @@ -32,21 +32,37 @@ #include "util/u_memory.h" #include "draw/draw_context.h" +#include "draw/draw_context.h" #include "sp_context.h" -#include "sp_context.h" #include "sp_state.h" #include "sp_texture.h" +#include "sp_tex_sample.h" #include "sp_tex_tile_cache.h" -#include "draw/draw_context.h" +struct sp_sampler { + struct pipe_sampler_state base; + struct sp_sampler_varient *varients; + struct sp_sampler_varient *current; +}; + +static struct sp_sampler *sp_sampler( struct pipe_sampler_state *sampler ) +{ + return (struct sp_sampler *)sampler; +} + void * softpipe_create_sampler_state(struct pipe_context *pipe, const struct pipe_sampler_state *sampler) { - return mem_dup(sampler, sizeof(*sampler)); + struct sp_sampler *sp_sampler = CALLOC_STRUCT(sp_sampler); + + sp_sampler->base = *sampler; + sp_sampler->varients = NULL; + + return (void *)sp_sampler; } @@ -106,10 +122,111 @@ softpipe_set_sampler_textures(struct pipe_context *pipe, } +/** + * Find/create an sp_sampler_varient object for sampling the given texture, + * sampler and tex unit. + * + * Note that the tex unit is significant. We can't re-use a sampler + * varient for multiple texture units because the sampler varient contains + * the texture object pointer. If the texture object pointer were stored + * somewhere outside the sampler varient, we could re-use samplers for + * multiple texture units. + */ +static struct sp_sampler_varient * +get_sampler_varient( unsigned unit, + struct sp_sampler *sampler, + struct pipe_texture *texture, + unsigned processor ) +{ + struct softpipe_texture *sp_texture = softpipe_texture(texture); + struct sp_sampler_varient *v = NULL; + union sp_sampler_key key; + + /* if this fails, widen the key.unit field and update this assertion */ + assert(PIPE_MAX_SAMPLERS <= 16); + + key.bits.target = sp_texture->base.target; + key.bits.is_pot = sp_texture->pot; + key.bits.processor = processor; + key.bits.unit = unit; + key.bits.pad = 0; + + if (sampler->current && + key.value == sampler->current->key.value) { + v = sampler->current; + } + + if (v == NULL) { + for (v = sampler->varients; v; v = v->next) + if (v->key.value == key.value) + break; + + if (v == NULL) { + v = sp_create_sampler_varient( &sampler->base, key ); + v->next = sampler->varients; + sampler->varients = v; + } + } + + sampler->current = v; + return v; +} + + + + +void +softpipe_reset_sampler_varients(struct softpipe_context *softpipe) +{ + int i; + + /* It's a bit hard to build these samplers ahead of time -- don't + * really know which samplers are going to be used for vertex and + * fragment programs. + */ + for (i = 0; i <= softpipe->vs->max_sampler; i++) { + if (softpipe->sampler[i]) { + softpipe->tgsi.vert_samplers_list[i] = + get_sampler_varient( i, + sp_sampler(softpipe->sampler[i]), + softpipe->texture[i], + TGSI_PROCESSOR_VERTEX ); + + sp_sampler_varient_bind_texture( softpipe->tgsi.vert_samplers_list[i], + softpipe->tex_cache[i], + softpipe->texture[i] ); + } + } + + for (i = 0; i <= softpipe->fs->info.file_max[TGSI_FILE_SAMPLER]; i++) { + if (softpipe->sampler[i]) { + softpipe->tgsi.frag_samplers_list[i] = + get_sampler_varient( i, + sp_sampler(softpipe->sampler[i]), + softpipe->texture[i], + TGSI_PROCESSOR_FRAGMENT ); + + sp_sampler_varient_bind_texture( softpipe->tgsi.frag_samplers_list[i], + softpipe->tex_cache[i], + softpipe->texture[i] ); + } + } +} + + + void softpipe_delete_sampler_state(struct pipe_context *pipe, void *sampler) { + struct sp_sampler *sp_sampler = (struct sp_sampler *)sampler; + struct sp_sampler_varient *v, *tmp; + + for (v = sp_sampler->varients; v; v = tmp) { + tmp = v->next; + sp_sampler_varient_destroy(v); + } + FREE( sampler ); } diff --git a/src/gallium/drivers/softpipe/sp_tex_sample.c b/src/gallium/drivers/softpipe/sp_tex_sample.c index 8bed573e8c..d233924565 100644 --- a/src/gallium/drivers/softpipe/sp_tex_sample.c +++ b/src/gallium/drivers/softpipe/sp_tex_sample.c @@ -31,18 +31,17 @@ * * Authors: * Brian Paul + * Keith Whitwell */ -#include "sp_context.h" -#include "sp_quad.h" -#include "sp_surface.h" -#include "sp_texture.h" -#include "sp_tex_sample.h" -#include "sp_tex_tile_cache.h" #include "pipe/p_context.h" #include "pipe/p_defines.h" +#include "pipe/p_shader_tokens.h" #include "util/u_math.h" #include "util/u_memory.h" +#include "sp_quad.h" /* only for #define QUAD_* tokens */ +#include "sp_tex_sample.h" +#include "sp_tex_tile_cache.h" @@ -115,133 +114,157 @@ lerp_3d(float a, float b, float c, * \param icoord returns the integer texcoords * \return integer texture index */ -static INLINE void -nearest_texcoord_4(unsigned wrapMode, const float s[4], unsigned size, +static void +wrap_nearest_repeat(const float s[4], unsigned size, + int icoord[4]) +{ + uint ch; + + /* s limited to [0,1) */ + /* i limited to [0,size-1] */ + for (ch = 0; ch < 4; ch++) { + int i = util_ifloor(s[ch] * size); + icoord[ch] = REMAINDER(i, size); + } +} + + +static void +wrap_nearest_clamp(const float s[4], unsigned size, int icoord[4]) { uint ch; - switch (wrapMode) { - case PIPE_TEX_WRAP_REPEAT: - /* s limited to [0,1) */ - /* i limited to [0,size-1] */ - for (ch = 0; ch < 4; ch++) { - int i = util_ifloor(s[ch] * size); - icoord[ch] = REMAINDER(i, size); - } - return; - case PIPE_TEX_WRAP_CLAMP: + /* s limited to [0,1] */ + /* i limited to [0,size-1] */ + for (ch = 0; ch < 4; ch++) { + if (s[ch] <= 0.0F) + icoord[ch] = 0; + else if (s[ch] >= 1.0F) + icoord[ch] = size - 1; + else + icoord[ch] = util_ifloor(s[ch] * size); + } +} + + +static void +wrap_nearest_clamp_to_edge(const float s[4], unsigned size, + int icoord[4]) +{ + uint ch; + /* s limited to [min,max] */ + /* i limited to [0, size-1] */ + const float min = 1.0F / (2.0F * size); + const float max = 1.0F - min; + for (ch = 0; ch < 4; ch++) { + if (s[ch] < min) + icoord[ch] = 0; + else if (s[ch] > max) + icoord[ch] = size - 1; + else + icoord[ch] = util_ifloor(s[ch] * size); + } +} + + +static void +wrap_nearest_clamp_to_border(const float s[4], unsigned size, + int icoord[4]) +{ + uint ch; + /* s limited to [min,max] */ + /* i limited to [-1, size] */ + const float min = -1.0F / (2.0F * size); + const float max = 1.0F - min; + for (ch = 0; ch < 4; ch++) { + if (s[ch] <= min) + icoord[ch] = -1; + else if (s[ch] >= max) + icoord[ch] = size; + else + icoord[ch] = util_ifloor(s[ch] * size); + } +} + +static void +wrap_nearest_mirror_repeat(const float s[4], unsigned size, + int icoord[4]) +{ + uint ch; + const float min = 1.0F / (2.0F * size); + const float max = 1.0F - min; + for (ch = 0; ch < 4; ch++) { + const int flr = util_ifloor(s[ch]); + float u; + if (flr & 1) + u = 1.0F - (s[ch] - (float) flr); + else + u = s[ch] - (float) flr; + if (u < min) + icoord[ch] = 0; + else if (u > max) + icoord[ch] = size - 1; + else + icoord[ch] = util_ifloor(u * size); + } +} + +static void +wrap_nearest_mirror_clamp(const float s[4], unsigned size, + int icoord[4]) +{ + uint ch; + for (ch = 0; ch < 4; ch++) { /* s limited to [0,1] */ /* i limited to [0,size-1] */ - for (ch = 0; ch < 4; ch++) { - if (s[ch] <= 0.0F) - icoord[ch] = 0; - else if (s[ch] >= 1.0F) - icoord[ch] = size - 1; - else - icoord[ch] = util_ifloor(s[ch] * size); - } - return; - case PIPE_TEX_WRAP_CLAMP_TO_EDGE: - { - /* s limited to [min,max] */ - /* i limited to [0, size-1] */ - const float min = 1.0F / (2.0F * size); - const float max = 1.0F - min; - for (ch = 0; ch < 4; ch++) { - if (s[ch] < min) - icoord[ch] = 0; - else if (s[ch] > max) - icoord[ch] = size - 1; - else - icoord[ch] = util_ifloor(s[ch] * size); - } - } - return; - case PIPE_TEX_WRAP_CLAMP_TO_BORDER: - { - /* s limited to [min,max] */ - /* i limited to [-1, size] */ - const float min = -1.0F / (2.0F * size); - const float max = 1.0F - min; - for (ch = 0; ch < 4; ch++) { - if (s[ch] <= min) - icoord[ch] = -1; - else if (s[ch] >= max) - icoord[ch] = size; - else - icoord[ch] = util_ifloor(s[ch] * size); - } - } - return; - case PIPE_TEX_WRAP_MIRROR_REPEAT: - { - const float min = 1.0F / (2.0F * size); - const float max = 1.0F - min; - for (ch = 0; ch < 4; ch++) { - const int flr = util_ifloor(s[ch]); - float u; - if (flr & 1) - u = 1.0F - (s[ch] - (float) flr); - else - u = s[ch] - (float) flr; - if (u < min) - icoord[ch] = 0; - else if (u > max) - icoord[ch] = size - 1; - else - icoord[ch] = util_ifloor(u * size); - } - } - return; - case PIPE_TEX_WRAP_MIRROR_CLAMP: - for (ch = 0; ch < 4; ch++) { - /* s limited to [0,1] */ - /* i limited to [0,size-1] */ - const float u = fabsf(s[ch]); - if (u <= 0.0F) - icoord[ch] = 0; - else if (u >= 1.0F) - icoord[ch] = size - 1; - else - icoord[ch] = util_ifloor(u * size); - } - return; - case PIPE_TEX_WRAP_MIRROR_CLAMP_TO_EDGE: - { - /* s limited to [min,max] */ - /* i limited to [0, size-1] */ - const float min = 1.0F / (2.0F * size); - const float max = 1.0F - min; - for (ch = 0; ch < 4; ch++) { - const float u = fabsf(s[ch]); - if (u < min) - icoord[ch] = 0; - else if (u > max) - icoord[ch] = size - 1; - else - icoord[ch] = util_ifloor(u * size); - } - } - return; - case PIPE_TEX_WRAP_MIRROR_CLAMP_TO_BORDER: - { - /* s limited to [min,max] */ - /* i limited to [0, size-1] */ - const float min = -1.0F / (2.0F * size); - const float max = 1.0F - min; - for (ch = 0; ch < 4; ch++) { - const float u = fabsf(s[ch]); - if (u < min) - icoord[ch] = -1; - else if (u > max) - icoord[ch] = size; - else - icoord[ch] = util_ifloor(u * size); - } - } - return; - default: - assert(0); + const float u = fabsf(s[ch]); + if (u <= 0.0F) + icoord[ch] = 0; + else if (u >= 1.0F) + icoord[ch] = size - 1; + else + icoord[ch] = util_ifloor(u * size); + } +} + +static void +wrap_nearest_mirror_clamp_to_edge(const float s[4], unsigned size, + int icoord[4]) +{ + uint ch; + /* s limited to [min,max] */ + /* i limited to [0, size-1] */ + const float min = 1.0F / (2.0F * size); + const float max = 1.0F - min; + for (ch = 0; ch < 4; ch++) { + const float u = fabsf(s[ch]); + if (u < min) + icoord[ch] = 0; + else if (u > max) + icoord[ch] = size - 1; + else + icoord[ch] = util_ifloor(u * size); + } +} + + +static void +wrap_nearest_mirror_clamp_to_border(const float s[4], unsigned size, + int icoord[4]) +{ + uint ch; + /* s limited to [min,max] */ + /* i limited to [0, size-1] */ + const float min = -1.0F / (2.0F * size); + const float max = 1.0F - min; + for (ch = 0; ch < 4; ch++) { + const float u = fabsf(s[ch]); + if (u < min) + icoord[ch] = -1; + else if (u > max) + icoord[ch] = size; + else + icoord[ch] = util_ifloor(u * size); } } @@ -256,125 +279,151 @@ nearest_texcoord_4(unsigned wrapMode, const float s[4], unsigned size, * \param w returns blend factor/weight between texture indexes * \param icoord returns the computed integer texture coords */ -static INLINE void -linear_texcoord_4(unsigned wrapMode, const float s[4], unsigned size, +static void +wrap_linear_repeat(const float s[4], unsigned size, + int icoord0[4], int icoord1[4], float w[4]) +{ + uint ch; + + for (ch = 0; ch < 4; ch++) { + float u = s[ch] * size - 0.5F; + icoord0[ch] = REMAINDER(util_ifloor(u), size); + icoord1[ch] = REMAINDER(icoord0[ch] + 1, size); + w[ch] = FRAC(u); + } +} + +static void +wrap_linear_clamp(const float s[4], unsigned size, int icoord0[4], int icoord1[4], float w[4]) { uint ch; + for (ch = 0; ch < 4; ch++) { + float u = CLAMP(s[ch], 0.0F, 1.0F); + u = u * size - 0.5f; + icoord0[ch] = util_ifloor(u); + icoord1[ch] = icoord0[ch] + 1; + w[ch] = FRAC(u); + } +} - switch (wrapMode) { - case PIPE_TEX_WRAP_REPEAT: - for (ch = 0; ch < 4; ch++) { - float u = s[ch] * size - 0.5F; - icoord0[ch] = REMAINDER(util_ifloor(u), size); - icoord1[ch] = REMAINDER(icoord0[ch] + 1, size); - w[ch] = FRAC(u); - } - break;; - case PIPE_TEX_WRAP_CLAMP: - for (ch = 0; ch < 4; ch++) { - float u = CLAMP(s[ch], 0.0F, 1.0F); - u = u * size - 0.5f; - icoord0[ch] = util_ifloor(u); - icoord1[ch] = icoord0[ch] + 1; - w[ch] = FRAC(u); - } - break;; - case PIPE_TEX_WRAP_CLAMP_TO_EDGE: - for (ch = 0; ch < 4; ch++) { - float u = CLAMP(s[ch], 0.0F, 1.0F); - u = u * size - 0.5f; - icoord0[ch] = util_ifloor(u); - icoord1[ch] = icoord0[ch] + 1; - if (icoord0[ch] < 0) - icoord0[ch] = 0; - if (icoord1[ch] >= (int) size) - icoord1[ch] = size - 1; - w[ch] = FRAC(u); - } - break;; - case PIPE_TEX_WRAP_CLAMP_TO_BORDER: - { - const float min = -1.0F / (2.0F * size); - const float max = 1.0F - min; - for (ch = 0; ch < 4; ch++) { - float u = CLAMP(s[ch], min, max); - u = u * size - 0.5f; - icoord0[ch] = util_ifloor(u); - icoord1[ch] = icoord0[ch] + 1; - w[ch] = FRAC(u); - } - } - break;; - case PIPE_TEX_WRAP_MIRROR_REPEAT: - for (ch = 0; ch < 4; ch++) { - const int flr = util_ifloor(s[ch]); - float u; - if (flr & 1) - u = 1.0F - (s[ch] - (float) flr); - else - u = s[ch] - (float) flr; - u = u * size - 0.5F; - icoord0[ch] = util_ifloor(u); - icoord1[ch] = icoord0[ch] + 1; - if (icoord0[ch] < 0) - icoord0[ch] = 0; - if (icoord1[ch] >= (int) size) - icoord1[ch] = size - 1; - w[ch] = FRAC(u); - } - break;; - case PIPE_TEX_WRAP_MIRROR_CLAMP: - for (ch = 0; ch < 4; ch++) { - float u = fabsf(s[ch]); - if (u >= 1.0F) - u = (float) size; - else - u *= size; - u -= 0.5F; - icoord0[ch] = util_ifloor(u); - icoord1[ch] = icoord0[ch] + 1; - w[ch] = FRAC(u); - } - break;; - case PIPE_TEX_WRAP_MIRROR_CLAMP_TO_EDGE: - for (ch = 0; ch < 4; ch++) { - float u = fabsf(s[ch]); - if (u >= 1.0F) - u = (float) size; - else - u *= size; - u -= 0.5F; - icoord0[ch] = util_ifloor(u); - icoord1[ch] = icoord0[ch] + 1; - if (icoord0[ch] < 0) - icoord0[ch] = 0; - if (icoord1[ch] >= (int) size) - icoord1[ch] = size - 1; - w[ch] = FRAC(u); - } - break;; - case PIPE_TEX_WRAP_MIRROR_CLAMP_TO_BORDER: - { - const float min = -1.0F / (2.0F * size); - const float max = 1.0F - min; - for (ch = 0; ch < 4; ch++) { - float u = fabsf(s[ch]); - if (u <= min) - u = min * size; - else if (u >= max) - u = max * size; - else - u *= size; - u -= 0.5F; - icoord0[ch] = util_ifloor(u); - icoord1[ch] = icoord0[ch] + 1; - w[ch] = FRAC(u); - } - } - break;; - default: - assert(0); +static void +wrap_linear_clamp_to_edge(const float s[4], unsigned size, + int icoord0[4], int icoord1[4], float w[4]) +{ + uint ch; + for (ch = 0; ch < 4; ch++) { + float u = CLAMP(s[ch], 0.0F, 1.0F); + u = u * size - 0.5f; + icoord0[ch] = util_ifloor(u); + icoord1[ch] = icoord0[ch] + 1; + if (icoord0[ch] < 0) + icoord0[ch] = 0; + if (icoord1[ch] >= (int) size) + icoord1[ch] = size - 1; + w[ch] = FRAC(u); + } +} + +static void +wrap_linear_clamp_to_border(const float s[4], unsigned size, + int icoord0[4], int icoord1[4], float w[4]) +{ + const float min = -1.0F / (2.0F * size); + const float max = 1.0F - min; + uint ch; + for (ch = 0; ch < 4; ch++) { + float u = CLAMP(s[ch], min, max); + u = u * size - 0.5f; + icoord0[ch] = util_ifloor(u); + icoord1[ch] = icoord0[ch] + 1; + w[ch] = FRAC(u); + } +} + + +static void +wrap_linear_mirror_repeat(const float s[4], unsigned size, + int icoord0[4], int icoord1[4], float w[4]) +{ + uint ch; + for (ch = 0; ch < 4; ch++) { + const int flr = util_ifloor(s[ch]); + float u; + if (flr & 1) + u = 1.0F - (s[ch] - (float) flr); + else + u = s[ch] - (float) flr; + u = u * size - 0.5F; + icoord0[ch] = util_ifloor(u); + icoord1[ch] = icoord0[ch] + 1; + if (icoord0[ch] < 0) + icoord0[ch] = 0; + if (icoord1[ch] >= (int) size) + icoord1[ch] = size - 1; + w[ch] = FRAC(u); + } +} + +static void +wrap_linear_mirror_clamp(const float s[4], unsigned size, + int icoord0[4], int icoord1[4], float w[4]) +{ + uint ch; + for (ch = 0; ch < 4; ch++) { + float u = fabsf(s[ch]); + if (u >= 1.0F) + u = (float) size; + else + u *= size; + u -= 0.5F; + icoord0[ch] = util_ifloor(u); + icoord1[ch] = icoord0[ch] + 1; + w[ch] = FRAC(u); + } +} + +static void +wrap_linear_mirror_clamp_to_edge(const float s[4], unsigned size, + int icoord0[4], int icoord1[4], float w[4]) +{ + uint ch; + for (ch = 0; ch < 4; ch++) { + float u = fabsf(s[ch]); + if (u >= 1.0F) + u = (float) size; + else + u *= size; + u -= 0.5F; + icoord0[ch] = util_ifloor(u); + icoord1[ch] = icoord0[ch] + 1; + if (icoord0[ch] < 0) + icoord0[ch] = 0; + if (icoord1[ch] >= (int) size) + icoord1[ch] = size - 1; + w[ch] = FRAC(u); + } +} + +static void +wrap_linear_mirror_clamp_to_border(const float s[4], unsigned size, + int icoord0[4], int icoord1[4], float w[4]) +{ + const float min = -1.0F / (2.0F * size); + const float max = 1.0F - min; + uint ch; + for (ch = 0; ch < 4; ch++) { + float u = fabsf(s[ch]); + if (u <= min) + u = min * size; + else if (u >= max) + u = max * size; + else + u *= size; + u -= 0.5F; + icoord0[ch] = util_ifloor(u); + icoord1[ch] = icoord0[ch] + 1; + w[ch] = FRAC(u); } } @@ -383,27 +432,26 @@ linear_texcoord_4(unsigned wrapMode, const float s[4], unsigned size, * For RECT textures / unnormalized texcoords * Only a subset of wrap modes supported. */ -static INLINE void -nearest_texcoord_unnorm_4(unsigned wrapMode, const float s[4], unsigned size, +static void +wrap_nearest_unorm_clamp(const float s[4], unsigned size, int icoord[4]) { uint ch; - switch (wrapMode) { - case PIPE_TEX_WRAP_CLAMP: - for (ch = 0; ch < 4; ch++) { - int i = util_ifloor(s[ch]); - icoord[ch]= CLAMP(i, 0, (int) size-1); - } - return; - case PIPE_TEX_WRAP_CLAMP_TO_EDGE: - /* fall-through */ - case PIPE_TEX_WRAP_CLAMP_TO_BORDER: - for (ch = 0; ch < 4; ch++) { - icoord[ch]= util_ifloor( CLAMP(s[ch], 0.5F, (float) size - 0.5F) ); - } - return; - default: - assert(0); + for (ch = 0; ch < 4; ch++) { + int i = util_ifloor(s[ch]); + icoord[ch]= CLAMP(i, 0, (int) size-1); + } +} + +/* Handles clamp_to_edge and clamp_to_border: + */ +static void +wrap_nearest_unorm_clamp_to_border(const float s[4], unsigned size, + int icoord[4]) +{ + uint ch; + for (ch = 0; ch < 4; ch++) { + icoord[ch]= util_ifloor( CLAMP(s[ch], 0.5F, (float) size - 0.5F) ); } } @@ -412,152 +460,82 @@ nearest_texcoord_unnorm_4(unsigned wrapMode, const float s[4], unsigned size, * For RECT textures / unnormalized texcoords. * Only a subset of wrap modes supported. */ -static INLINE void -linear_texcoord_unnorm_4(unsigned wrapMode, const float s[4], unsigned size, +static void +wrap_linear_unorm_clamp(const float s[4], unsigned size, int icoord0[4], int icoord1[4], float w[4]) { uint ch; - switch (wrapMode) { - case PIPE_TEX_WRAP_CLAMP: - for (ch = 0; ch < 4; ch++) { - /* Not exactly what the spec says, but it matches NVIDIA output */ - float u = CLAMP(s[ch] - 0.5F, 0.0f, (float) size - 1.0f); - icoord0[ch] = util_ifloor(u); - icoord1[ch] = icoord0[ch] + 1; - w[ch] = FRAC(u); - } - return; - case PIPE_TEX_WRAP_CLAMP_TO_EDGE: - /* fall-through */ - case PIPE_TEX_WRAP_CLAMP_TO_BORDER: - for (ch = 0; ch < 4; ch++) { - float u = CLAMP(s[ch], 0.5F, (float) size - 0.5F); - u -= 0.5F; - icoord0[ch] = util_ifloor(u); - icoord1[ch] = icoord0[ch] + 1; - if (icoord1[ch] > (int) size - 1) - icoord1[ch] = size - 1; - w[ch] = FRAC(u); - } - break; - default: - assert(0); + for (ch = 0; ch < 4; ch++) { + /* Not exactly what the spec says, but it matches NVIDIA output */ + float u = CLAMP(s[ch] - 0.5F, 0.0f, (float) size - 1.0f); + icoord0[ch] = util_ifloor(u); + icoord1[ch] = icoord0[ch] + 1; + w[ch] = FRAC(u); } } - -static unsigned -choose_cube_face(float rx, float ry, float rz, float *newS, float *newT) +static void +wrap_linear_unorm_clamp_to_border( const float s[4], unsigned size, + int icoord0[4], int icoord1[4], float w[4]) { - /* - major axis - direction target sc tc ma - ---------- ------------------------------- --- --- --- - +rx TEXTURE_CUBE_MAP_POSITIVE_X_EXT -rz -ry rx - -rx TEXTURE_CUBE_MAP_NEGATIVE_X_EXT +rz -ry rx - +ry TEXTURE_CUBE_MAP_POSITIVE_Y_EXT +rx +rz ry - -ry TEXTURE_CUBE_MAP_NEGATIVE_Y_EXT +rx -rz ry - +rz TEXTURE_CUBE_MAP_POSITIVE_Z_EXT +rx -ry rz - -rz TEXTURE_CUBE_MAP_NEGATIVE_Z_EXT -rx -ry rz - */ - const float arx = fabsf(rx), ary = fabsf(ry), arz = fabsf(rz); - unsigned face; - float sc, tc, ma; - - if (arx > ary && arx > arz) { - if (rx >= 0.0F) { - face = PIPE_TEX_FACE_POS_X; - sc = -rz; - tc = -ry; - ma = arx; - } - else { - face = PIPE_TEX_FACE_NEG_X; - sc = rz; - tc = -ry; - ma = arx; - } - } - else if (ary > arx && ary > arz) { - if (ry >= 0.0F) { - face = PIPE_TEX_FACE_POS_Y; - sc = rx; - tc = rz; - ma = ary; - } - else { - face = PIPE_TEX_FACE_NEG_Y; - sc = rx; - tc = -rz; - ma = ary; - } - } - else { - if (rz > 0.0F) { - face = PIPE_TEX_FACE_POS_Z; - sc = rx; - tc = -ry; - ma = arz; - } - else { - face = PIPE_TEX_FACE_NEG_Z; - sc = -rx; - tc = -ry; - ma = arz; - } + uint ch; + for (ch = 0; ch < 4; ch++) { + float u = CLAMP(s[ch], 0.5F, (float) size - 0.5F); + u -= 0.5F; + icoord0[ch] = util_ifloor(u); + icoord1[ch] = icoord0[ch] + 1; + if (icoord1[ch] > (int) size - 1) + icoord1[ch] = size - 1; + w[ch] = FRAC(u); } +} + - *newS = ( sc / ma + 1.0F ) * 0.5F; - *newT = ( tc / ma + 1.0F ) * 0.5F; - return face; -} /** * Examine the quad's texture coordinates to compute the partial * derivatives w.r.t X and Y, then compute lambda (level of detail). - * - * This is only done for fragment shaders, not vertex shaders. */ static float -compute_lambda(const struct pipe_texture *tex, - const struct pipe_sampler_state *sampler, - const float s[QUAD_SIZE], - const float t[QUAD_SIZE], - const float p[QUAD_SIZE], - float lodbias) +compute_lambda_1d(const struct sp_sampler_varient *samp, + const float s[QUAD_SIZE], + const float t[QUAD_SIZE], + const float p[QUAD_SIZE], + float lodbias) { - float rho, lambda; + const struct pipe_texture *texture = samp->texture; + const struct pipe_sampler_state *sampler = samp->sampler; + float dsdx = fabsf(s[QUAD_BOTTOM_RIGHT] - s[QUAD_BOTTOM_LEFT]); + float dsdy = fabsf(s[QUAD_TOP_LEFT] - s[QUAD_BOTTOM_LEFT]); + float rho = MAX2(dsdx, dsdy) * texture->width[0]; + float lambda; - assert(sampler->normalized_coords); + lambda = util_fast_log2(rho); + lambda += lodbias + sampler->lod_bias; + lambda = CLAMP(lambda, sampler->min_lod, sampler->max_lod); - assert(s); - { - float dsdx = s[QUAD_BOTTOM_RIGHT] - s[QUAD_BOTTOM_LEFT]; - float dsdy = s[QUAD_TOP_LEFT] - s[QUAD_BOTTOM_LEFT]; - dsdx = fabsf(dsdx); - dsdy = fabsf(dsdy); - rho = MAX2(dsdx, dsdy) * tex->width[0]; - } - if (t) { - float dtdx = t[QUAD_BOTTOM_RIGHT] - t[QUAD_BOTTOM_LEFT]; - float dtdy = t[QUAD_TOP_LEFT] - t[QUAD_BOTTOM_LEFT]; - float max; - dtdx = fabsf(dtdx); - dtdy = fabsf(dtdy); - max = MAX2(dtdx, dtdy) * tex->height[0]; - rho = MAX2(rho, max); - } - if (p) { - float dpdx = p[QUAD_BOTTOM_RIGHT] - p[QUAD_BOTTOM_LEFT]; - float dpdy = p[QUAD_TOP_LEFT] - p[QUAD_BOTTOM_LEFT]; - float max; - dpdx = fabsf(dpdx); - dpdy = fabsf(dpdy); - max = MAX2(dpdx, dpdy) * tex->depth[0]; - rho = MAX2(rho, max); - } + return lambda; +} + +static float +compute_lambda_2d(const struct sp_sampler_varient *samp, + const float s[QUAD_SIZE], + const float t[QUAD_SIZE], + const float p[QUAD_SIZE], + float lodbias) +{ + const struct pipe_texture *texture = samp->texture; + const struct pipe_sampler_state *sampler = samp->sampler; + float dsdx = fabsf(s[QUAD_BOTTOM_RIGHT] - s[QUAD_BOTTOM_LEFT]); + float dsdy = fabsf(s[QUAD_TOP_LEFT] - s[QUAD_BOTTOM_LEFT]); + float dtdx = fabsf(t[QUAD_BOTTOM_RIGHT] - t[QUAD_BOTTOM_LEFT]); + float dtdy = fabsf(t[QUAD_TOP_LEFT] - t[QUAD_BOTTOM_LEFT]); + float maxx = MAX2(dsdx, dsdy) * texture->width[0]; + float maxy = MAX2(dtdx, dtdy) * texture->height[0]; + float rho = MAX2(maxx, maxy); + float lambda; lambda = util_fast_log2(rho); lambda += lodbias + sampler->lod_bias; @@ -567,87 +545,50 @@ compute_lambda(const struct pipe_texture *tex, } -/** - * Do several things here: - * 1. Compute lambda from the texcoords, if needed - * 2. Determine if we're minifying or magnifying - * 3. If minifying, choose mipmap levels - * 4. Return image filter to use within mipmap images - * \param level0 Returns first mipmap level to sample from - * \param level1 Returns second mipmap level to sample from - * \param levelBlend Returns blend factor between levels, in [0,1] - * \param imgFilter Returns either the min or mag filter, depending on lambda - */ -static void -choose_mipmap_levels(const struct pipe_texture *texture, - const struct pipe_sampler_state *sampler, - const float s[QUAD_SIZE], - const float t[QUAD_SIZE], - const float p[QUAD_SIZE], - boolean computeLambda, - float lodbias, - unsigned *level0, unsigned *level1, float *levelBlend, - unsigned *imgFilter) +static float +compute_lambda_3d(const struct sp_sampler_varient *samp, + const float s[QUAD_SIZE], + const float t[QUAD_SIZE], + const float p[QUAD_SIZE], + float lodbias) { - if (sampler->min_mip_filter == PIPE_TEX_MIPFILTER_NONE) { - /* no mipmap selection needed */ - *level0 = *level1 = CLAMP((int) sampler->min_lod, - 0, (int) texture->last_level); - - if (sampler->min_img_filter != sampler->mag_img_filter) { - /* non-mipmapped texture, but still need to determine if doing - * minification or magnification. - */ - float lambda = compute_lambda(texture, sampler, s, t, p, lodbias); - if (lambda <= 0.0) { - *imgFilter = sampler->mag_img_filter; - } - else { - *imgFilter = sampler->min_img_filter; - } - } - else { - *imgFilter = sampler->mag_img_filter; - } - } - else { - float lambda; + const struct pipe_texture *texture = samp->texture; + const struct pipe_sampler_state *sampler = samp->sampler; + float dsdx = fabsf(s[QUAD_BOTTOM_RIGHT] - s[QUAD_BOTTOM_LEFT]); + float dsdy = fabsf(s[QUAD_TOP_LEFT] - s[QUAD_BOTTOM_LEFT]); + float dtdx = fabsf(t[QUAD_BOTTOM_RIGHT] - t[QUAD_BOTTOM_LEFT]); + float dtdy = fabsf(t[QUAD_TOP_LEFT] - t[QUAD_BOTTOM_LEFT]); + float dpdx = fabsf(p[QUAD_BOTTOM_RIGHT] - p[QUAD_BOTTOM_LEFT]); + float dpdy = fabsf(p[QUAD_TOP_LEFT] - p[QUAD_BOTTOM_LEFT]); + float maxx = MAX2(dsdx, dsdy) * texture->width[0]; + float maxy = MAX2(dtdx, dtdy) * texture->height[0]; + float maxz = MAX2(dpdx, dpdy) * texture->depth[0]; + float rho, lambda; - if (computeLambda) - /* fragment shader */ - lambda = compute_lambda(texture, sampler, s, t, p, lodbias); - else - /* vertex shader */ - lambda = lodbias; /* not really a bias, but absolute LOD */ + rho = MAX2(maxx, maxy); + rho = MAX2(rho, maxz); - if (lambda <= 0.0) { /* XXX threshold depends on the filter */ - /* magnifying */ - *imgFilter = sampler->mag_img_filter; - *level0 = *level1 = 0; - } - else { - /* minifying */ - *imgFilter = sampler->min_img_filter; - - /* choose mipmap level(s) and compute the blend factor between them */ - if (sampler->min_mip_filter == PIPE_TEX_MIPFILTER_NEAREST) { - /* Nearest mipmap level */ - const int lvl = (int) (lambda + 0.5); - *level0 = - *level1 = CLAMP(lvl, 0, (int) texture->last_level); - } - else { - /* Linear interpolation between mipmap levels */ - const int lvl = (int) lambda; - *level0 = CLAMP(lvl, 0, (int) texture->last_level); - *level1 = CLAMP(lvl + 1, 0, (int) texture->last_level); - *levelBlend = FRAC(lambda); /* blending weight between levels */ - } - } - } + lambda = util_fast_log2(rho); + lambda += lodbias + sampler->lod_bias; + lambda = CLAMP(lambda, sampler->min_lod, sampler->max_lod); + + return lambda; +} + + + +static float +compute_lambda_vert(const struct sp_sampler_varient *samp, + const float s[QUAD_SIZE], + const float t[QUAD_SIZE], + const float p[QUAD_SIZE], + float lodbias) +{ + return lodbias; } + /** * Get a texel from a texture, using the texture tile cache. * @@ -662,12 +603,12 @@ choose_mipmap_levels(const struct pipe_texture *texture, * 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 void +static INLINE void get_texel_quad_2d(const struct tgsi_sampler *tgsi_sampler, unsigned face, unsigned level, int x, int y, const float *out[4]) { - const struct sp_shader_sampler *samp = sp_shader_sampler(tgsi_sampler); + const struct sp_sampler_varient *samp = sp_sampler_varient(tgsi_sampler); const struct softpipe_tex_cached_tile *tile = sp_get_cached_tile_tex(samp->cache, @@ -686,7 +627,7 @@ static INLINE const float * get_texel_2d_ptr(const struct tgsi_sampler *tgsi_sampler, unsigned face, unsigned level, int x, int y) { - const struct sp_shader_sampler *samp = sp_shader_sampler(tgsi_sampler); + const struct sp_sampler_varient *samp = sp_sampler_varient(tgsi_sampler); const struct softpipe_tex_cached_tile *tile = sp_get_cached_tile_tex(samp->cache, @@ -699,7 +640,7 @@ get_texel_2d_ptr(const struct tgsi_sampler *tgsi_sampler, } -static void +static INLINE void get_texel_quad_2d_mt(const struct tgsi_sampler *tgsi_sampler, unsigned face, unsigned level, int x0, int y0, @@ -716,12 +657,12 @@ get_texel_quad_2d_mt(const struct tgsi_sampler *tgsi_sampler, } } -static void +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) { - const struct sp_shader_sampler *samp = sp_shader_sampler(tgsi_sampler); + 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; @@ -755,145 +696,25 @@ get_texel(const struct tgsi_sampler *tgsi_sampler, } -/** - * Compare texcoord 'p' (aka R) against texture value 'rgba[0]' - * When we sampled the depth texture, the depth value was put into all - * RGBA channels. We look at the red channel here. - * \param rgba quad of (depth) texel values - * \param p texture 'P' components for four pixels in quad - * \param j which pixel in the quad to test [0..3] - */ -static INLINE void -shadow_compare(const struct pipe_sampler_state *sampler, - float rgba[NUM_CHANNELS][QUAD_SIZE], - const float p[QUAD_SIZE], - uint j) -{ - int k; - switch (sampler->compare_func) { - case PIPE_FUNC_LESS: - k = p[j] < rgba[0][j]; - break; - case PIPE_FUNC_LEQUAL: - k = p[j] <= rgba[0][j]; - break; - case PIPE_FUNC_GREATER: - k = p[j] > rgba[0][j]; - break; - case PIPE_FUNC_GEQUAL: - k = p[j] >= rgba[0][j]; - break; - case PIPE_FUNC_EQUAL: - k = p[j] == rgba[0][j]; - break; - case PIPE_FUNC_NOTEQUAL: - k = p[j] != rgba[0][j]; - break; - case PIPE_FUNC_ALWAYS: - k = 1; - break; - case PIPE_FUNC_NEVER: - k = 0; - break; - default: - k = 0; - assert(0); - break; - } - /* XXX returning result for default GL_DEPTH_TEXTURE_MODE = GL_LUMINANCE */ - rgba[0][j] = rgba[1][j] = rgba[2][j] = (float) k; - rgba[3][j] = 1.0F; -} -/** - * As above, but do four z/texture comparisons. - */ static INLINE void -shadow_compare4(const struct pipe_sampler_state *sampler, - float rgba[NUM_CHANNELS][QUAD_SIZE], - const float p[QUAD_SIZE]) -{ - int j, k0, k1, k2, k3; - float val; - - /* compare four texcoords vs. four texture samples */ - switch (sampler->compare_func) { - case PIPE_FUNC_LESS: - k0 = p[0] < rgba[0][0]; - k1 = p[1] < rgba[0][1]; - k2 = p[2] < rgba[0][2]; - k3 = p[3] < rgba[0][3]; - break; - case PIPE_FUNC_LEQUAL: - k0 = p[0] <= rgba[0][0]; - k1 = p[1] <= rgba[0][1]; - k2 = p[2] <= rgba[0][2]; - k3 = p[3] <= rgba[0][3]; - break; - case PIPE_FUNC_GREATER: - k0 = p[0] > rgba[0][0]; - k1 = p[1] > rgba[0][1]; - k2 = p[2] > rgba[0][2]; - k3 = p[3] > rgba[0][3]; - break; - case PIPE_FUNC_GEQUAL: - k0 = p[0] >= rgba[0][0]; - k1 = p[1] >= rgba[0][1]; - k2 = p[2] >= rgba[0][2]; - k3 = p[3] >= rgba[0][3]; - break; - case PIPE_FUNC_EQUAL: - k0 = p[0] == rgba[0][0]; - k1 = p[1] == rgba[0][1]; - k2 = p[2] == rgba[0][2]; - k3 = p[3] == rgba[0][3]; - break; - case PIPE_FUNC_NOTEQUAL: - k0 = p[0] != rgba[0][0]; - k1 = p[1] != rgba[0][1]; - k2 = p[2] != rgba[0][2]; - k3 = p[3] != rgba[0][3]; - break; - case PIPE_FUNC_ALWAYS: - k0 = k1 = k2 = k3 = 1; - break; - case PIPE_FUNC_NEVER: - k0 = k1 = k2 = k3 = 0; - break; - default: - k0 = k1 = k2 = k3 = 0; - assert(0); - break; - } - - /* convert four pass/fail values to an intensity in [0,1] */ - val = 0.25F * (k0 + k1 + k2 + k3); - - /* XXX returning result for default GL_DEPTH_TEXTURE_MODE = GL_LUMINANCE */ - for (j = 0; j < 4; j++) { - rgba[0][j] = rgba[1][j] = rgba[2][j] = val; - rgba[3][j] = 1.0F; - } -} - - - -static void -sp_get_samples_2d_linear_repeat_POT(struct tgsi_sampler *tgsi_sampler, - const float s[QUAD_SIZE], - const float t[QUAD_SIZE], - const float p[QUAD_SIZE], - float lodbias, - float rgba[NUM_CHANNELS][QUAD_SIZE]) +img_filter_2d_linear_repeat_POT(struct tgsi_sampler *tgsi_sampler, + const float s[QUAD_SIZE], + const float t[QUAD_SIZE], + const float p[QUAD_SIZE], + float lodbias, + float rgba[NUM_CHANNELS][QUAD_SIZE]) { - const struct sp_shader_sampler *samp = sp_shader_sampler(tgsi_sampler); + const struct sp_sampler_varient *samp = sp_sampler_varient(tgsi_sampler); unsigned j; unsigned level = samp->level; unsigned xpot = 1 << (samp->xpot - level); unsigned ypot = 1 << (samp->ypot - level); - + unsigned xmax = (xpot - 1) & (TILE_SIZE - 1); /* MIN2(TILE_SIZE, xpot) - 1; */ + unsigned ymax = (ypot - 1) & (TILE_SIZE - 1); /* MIN2(TILE_SIZE, ypot) - 1; */ + for (j = 0; j < QUAD_SIZE; j++) { int c; @@ -914,15 +735,14 @@ sp_get_samples_2d_linear_repeat_POT(struct tgsi_sampler *tgsi_sampler, /* Can we fetch all four at once: */ - if (x0 % TILE_SIZE != TILE_SIZE-1 && - y0 % TILE_SIZE != TILE_SIZE-1) + if (x0 < xmax && y0 < ymax) { get_texel_quad_2d(tgsi_sampler, 0, level, x0, y0, tx); } else { - unsigned x1 = (uflr + 1) & (xpot - 1); - unsigned y1 = (vflr + 1) & (ypot - 1); + unsigned x1 = (x0 + 1) & (xpot - 1); + unsigned y1 = (y0 + 1) & (ypot - 1); get_texel_quad_2d_mt(tgsi_sampler, 0, level, x0, y0, x1, y1, tx); } @@ -938,15 +758,15 @@ sp_get_samples_2d_linear_repeat_POT(struct tgsi_sampler *tgsi_sampler, } -static void -sp_get_samples_2d_nearest_repeat_POT(struct tgsi_sampler *tgsi_sampler, - const float s[QUAD_SIZE], - const float t[QUAD_SIZE], - const float p[QUAD_SIZE], - float lodbias, - float rgba[NUM_CHANNELS][QUAD_SIZE]) +static INLINE void +img_filter_2d_nearest_repeat_POT(struct tgsi_sampler *tgsi_sampler, + const float s[QUAD_SIZE], + const float t[QUAD_SIZE], + const float p[QUAD_SIZE], + float lodbias, + float rgba[NUM_CHANNELS][QUAD_SIZE]) { - const struct sp_shader_sampler *samp = sp_shader_sampler(tgsi_sampler); + const struct sp_sampler_varient *samp = sp_sampler_varient(tgsi_sampler); unsigned j; unsigned level = samp->level; unsigned xpot = 1 << (samp->xpot - level); @@ -973,19 +793,19 @@ sp_get_samples_2d_nearest_repeat_POT(struct tgsi_sampler *tgsi_sampler, } -static void -sp_get_samples_2d_nearest_clamp_POT(struct tgsi_sampler *tgsi_sampler, - const float s[QUAD_SIZE], - const float t[QUAD_SIZE], - const float p[QUAD_SIZE], - float lodbias, - float rgba[NUM_CHANNELS][QUAD_SIZE]) +static INLINE void +img_filter_2d_nearest_clamp_POT(struct tgsi_sampler *tgsi_sampler, + const float s[QUAD_SIZE], + const float t[QUAD_SIZE], + const float p[QUAD_SIZE], + float lodbias, + float rgba[NUM_CHANNELS][QUAD_SIZE]) { - const struct sp_shader_sampler *samp = sp_shader_sampler(tgsi_sampler); + const struct sp_sampler_varient *samp = sp_sampler_varient(tgsi_sampler); unsigned j; unsigned level = samp->level; - unsigned xpot = (1<<samp->xpot); - unsigned ypot = (1<<samp->ypot); + unsigned xpot = 1 << (samp->xpot - level); + unsigned ypot = 1 << (samp->ypot - level); for (j = 0; j < QUAD_SIZE; j++) { int c; @@ -1016,234 +836,193 @@ sp_get_samples_2d_nearest_clamp_POT(struct tgsi_sampler *tgsi_sampler, } } - static void -sp_get_samples_2d_linear_mip_linear_repeat_POT(struct tgsi_sampler *tgsi_sampler, - const float s[QUAD_SIZE], - const float t[QUAD_SIZE], - const float p[QUAD_SIZE], - float lodbias, - float rgba[NUM_CHANNELS][QUAD_SIZE]) +img_filter_1d_nearest(struct tgsi_sampler *tgsi_sampler, + const float s[QUAD_SIZE], + const float t[QUAD_SIZE], + const float p[QUAD_SIZE], + float lodbias, + float rgba[NUM_CHANNELS][QUAD_SIZE]) { - struct sp_shader_sampler *samp = sp_shader_sampler(tgsi_sampler); + 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; - int level0, level1; - float lambda; + unsigned level0, j; + int width; + int x[4]; - lambda = compute_lambda(texture, sampler, s, t, p, lodbias); - level0 = (int)lambda; - level1 = level0 + 1; + level0 = samp->level; + width = texture->width[level0]; - if (lambda < 0.0) { - samp->level = 0; - sp_get_samples_2d_linear_repeat_POT( tgsi_sampler, - s, t, p, lodbias, rgba ); - } - else if (level0 >= texture->last_level) { - samp->level = texture->last_level; - sp_get_samples_2d_linear_repeat_POT( tgsi_sampler, - s, t, p, lodbias, rgba ); + assert(width > 0); + + 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); } - else { - float rgba0[4][4]; - float rgba1[4][4]; - int c,j; +} - float levelBlend = lambda - level0; /* blending weight between levels */ - samp->level = level0; - sp_get_samples_2d_linear_repeat_POT( tgsi_sampler, - s, t, p, lodbias, rgba0 ); +static void +img_filter_2d_nearest(struct tgsi_sampler *tgsi_sampler, + const float s[QUAD_SIZE], + const float t[QUAD_SIZE], + const float p[QUAD_SIZE], + float lodbias, + float rgba[NUM_CHANNELS][QUAD_SIZE]) +{ + const struct sp_sampler_varient *samp = sp_sampler_varient(tgsi_sampler); + const struct pipe_texture *texture = samp->texture; + const unsigned *faces = samp->faces; /* zero when not cube-mapping */ + unsigned level0, j; + int width, height; + int x[4], y[4]; - samp->level++; - sp_get_samples_2d_linear_repeat_POT( tgsi_sampler, - s, t, p, lodbias, rgba1 ); + level0 = samp->level; + width = texture->width[level0]; + height = texture->height[level0]; - for (c = 0; c < 4; c++) - for (j = 0; j < 4; j++) - rgba[c][j] = lerp(levelBlend, rgba0[c][j], rgba1[c][j]); - } + assert(width > 0); + + 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); + } } -/** - * Common code for sampling 1D/2D/cube textures. - * Could probably extend for 3D... - */ + static void -sp_get_samples_2d_common(const struct tgsi_sampler *tgsi_sampler, - const float s[QUAD_SIZE], - const float t[QUAD_SIZE], - const float p[QUAD_SIZE], - boolean computeLambda, - float lodbias, - float rgba[NUM_CHANNELS][QUAD_SIZE], - const unsigned faces[4]) +img_filter_3d_nearest(struct tgsi_sampler *tgsi_sampler, + const float s[QUAD_SIZE], + const float t[QUAD_SIZE], + const float p[QUAD_SIZE], + float lodbias, + float rgba[NUM_CHANNELS][QUAD_SIZE]) { - const struct sp_shader_sampler *samp = sp_shader_sampler(tgsi_sampler); + 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 level0, level1, j, imgFilter; - int width, height; - float levelBlend; + unsigned level0, j; + int width, height, depth; + int x[4], y[4], z[4]; + + level0 = samp->level; + width = texture->width[level0]; + height = texture->height[level0]; + depth = texture->depth[level0]; + + assert(width > 0); + assert(height > 0); + assert(depth > 0); + + samp->nearest_texcoord_s(s, width, x); + samp->nearest_texcoord_t(t, height, y); + samp->nearest_texcoord_p(p, depth, z); - choose_mipmap_levels(texture, sampler, s, t, p, computeLambda, lodbias, - &level0, &level1, &levelBlend, &imgFilter); + for (j = 0; j < QUAD_SIZE; j++) { + get_texel(tgsi_sampler, 0, level0, x[j], y[j], z[j], rgba, j); + } +} + + +static void +img_filter_1d_linear(struct tgsi_sampler *tgsi_sampler, + const float s[QUAD_SIZE], + const float t[QUAD_SIZE], + const float p[QUAD_SIZE], + float lodbias, + float rgba[NUM_CHANNELS][QUAD_SIZE]) +{ + const struct sp_sampler_varient *samp = sp_sampler_varient(tgsi_sampler); + const struct pipe_texture *texture = samp->texture; + unsigned level0, j; + int width; + int x0[4], x1[4]; + float xw[4]; /* weights */ - assert(sampler->normalized_coords); + level0 = samp->level; width = texture->width[level0]; - height = texture->height[level0]; assert(width > 0); - switch (imgFilter) { - case PIPE_TEX_FILTER_NEAREST: - { - int x[4], y[4]; - nearest_texcoord_4(sampler->wrap_s, s, width, x); - nearest_texcoord_4(sampler->wrap_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); - if (sampler->compare_mode == PIPE_TEX_COMPARE_R_TO_TEXTURE) { - shadow_compare(sampler, rgba, p, j); - } + samp->linear_texcoord_s(s, width, x0, x1, xw); - if (level0 != level1) { - /* get texels from second mipmap level and blend */ - float rgba2[4][4]; - unsigned c; - x[j] /= 2; - y[j] /= 2; - get_texel(tgsi_sampler, faces[j], level1, x[j], y[j], 0, - rgba2, j); - if (sampler->compare_mode == PIPE_TEX_COMPARE_R_TO_TEXTURE){ - shadow_compare(sampler, rgba2, p, j); - } - - for (c = 0; c < NUM_CHANNELS; c++) { - rgba[c][j] = lerp(levelBlend, rgba[c][j], rgba2[c][j]); - } - } - } - } - break; - case PIPE_TEX_FILTER_LINEAR: - case PIPE_TEX_FILTER_ANISO: - { - int x0[4], y0[4], x1[4], y1[4]; - float xw[4], yw[4]; /* weights */ - - linear_texcoord_4(sampler->wrap_s, s, width, x0, x1, xw); - linear_texcoord_4(sampler->wrap_t, t, height, y0, y1, yw); - - for (j = 0; j < QUAD_SIZE; j++) { - float tx[4][4]; /* texels */ - 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); - if (sampler->compare_mode == PIPE_TEX_COMPARE_R_TO_TEXTURE) { - shadow_compare4(sampler, tx, p); - } - /* 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]); - } + for (j = 0; j < QUAD_SIZE; j++) { + float tx[4][4]; /* texels */ + 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); - if (level0 != level1) { - /* get texels from second mipmap level and blend */ - float rgba2[4][4]; - x0[j] /= 2; - y0[j] /= 2; - x1[j] /= 2; - y1[j] /= 2; - get_texel(tgsi_sampler, faces[j], level1, x0[j], y0[j], 0, tx, 0); - get_texel(tgsi_sampler, faces[j], level1, x1[j], y0[j], 0, tx, 1); - get_texel(tgsi_sampler, faces[j], level1, x0[j], y1[j], 0, tx, 2); - get_texel(tgsi_sampler, faces[j], level1, x1[j], y1[j], 0, tx, 3); - if (sampler->compare_mode == PIPE_TEX_COMPARE_R_TO_TEXTURE){ - shadow_compare4(sampler, tx, p); - } - - /* interpolate R, G, B, A */ - for (c = 0; c < 4; c++) { - rgba2[c][j] = lerp_2d(xw[j], yw[j], - tx[c][0], tx[c][1], tx[c][2], tx[c][3]); - } - - for (c = 0; c < NUM_CHANNELS; c++) { - rgba[c][j] = lerp(levelBlend, rgba[c][j], rgba2[c][j]); - } - } - } + /* interpolate R, G, B, A */ + for (c = 0; c < 4; c++) { + rgba[c][j] = lerp(xw[j], tx[c][0], tx[c][1]); } - break; - default: - assert(0); } } - -static INLINE void -sp_get_samples_1d(const struct tgsi_sampler *sampler, - const float s[QUAD_SIZE], - const float t[QUAD_SIZE], - const float p[QUAD_SIZE], - boolean computeLambda, - float lodbias, - float rgba[NUM_CHANNELS][QUAD_SIZE]) +static void +img_filter_2d_linear(struct tgsi_sampler *tgsi_sampler, + const float s[QUAD_SIZE], + const float t[QUAD_SIZE], + const float p[QUAD_SIZE], + float lodbias, + float rgba[NUM_CHANNELS][QUAD_SIZE]) { - static const unsigned faces[4] = {0, 0, 0, 0}; - static const float tzero[4] = {0, 0, 0, 0}; - sp_get_samples_2d_common(sampler, s, tzero, NULL, - computeLambda, lodbias, rgba, faces); -} + const struct sp_sampler_varient *samp = sp_sampler_varient(tgsi_sampler); + const struct pipe_texture *texture = samp->texture; + const unsigned *faces = samp->faces; /* zero when not cube-mapping */ + unsigned level0, j; + int width, height; + int x0[4], y0[4], x1[4], y1[4]; + float xw[4], yw[4]; /* weights */ -static INLINE void -sp_get_samples_2d(const struct tgsi_sampler *sampler, - const float s[QUAD_SIZE], - const float t[QUAD_SIZE], - const float p[QUAD_SIZE], - boolean computeLambda, - float lodbias, - float rgba[NUM_CHANNELS][QUAD_SIZE]) -{ - static const unsigned faces[4] = {0, 0, 0, 0}; - sp_get_samples_2d_common(sampler, s, t, p, - computeLambda, lodbias, rgba, faces); + level0 = samp->level; + width = texture->width[level0]; + height = texture->height[level0]; + + assert(width > 0); + + 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 */ + 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]); + } + } } -static INLINE void -sp_get_samples_3d(const struct tgsi_sampler *tgsi_sampler, - const float s[QUAD_SIZE], - const float t[QUAD_SIZE], - const float p[QUAD_SIZE], - boolean computeLambda, - float lodbias, - float rgba[NUM_CHANNELS][QUAD_SIZE]) +static void +img_filter_3d_linear(struct tgsi_sampler *tgsi_sampler, + const float s[QUAD_SIZE], + const float t[QUAD_SIZE], + const float p[QUAD_SIZE], + float lodbias, + float rgba[NUM_CHANNELS][QUAD_SIZE]) { - const struct sp_shader_sampler *samp = sp_shader_sampler(tgsi_sampler); + 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; - /* get/map pipe_surfaces corresponding to 3D tex slices */ - unsigned level0, level1, j, imgFilter; + unsigned level0, j; int width, height, depth; - float levelBlend; - const uint face = 0; - - choose_mipmap_levels(texture, sampler, s, t, p, computeLambda, lodbias, - &level0, &level1, &levelBlend, &imgFilter); - - assert(sampler->normalized_coords); + int x0[4], x1[4], y0[4], y1[4], z0[4], z1[4]; + float xw[4], yw[4], zw[4]; /* interpolation weights */ + level0 = samp->level; width = texture->width[level0]; height = texture->height[level0]; depth = texture->depth[level0]; @@ -1252,357 +1031,642 @@ sp_get_samples_3d(const struct tgsi_sampler *tgsi_sampler, assert(height > 0); assert(depth > 0); - switch (imgFilter) { - case PIPE_TEX_FILTER_NEAREST: - { - int x[4], y[4], z[4]; - nearest_texcoord_4(sampler->wrap_s, s, width, x); - nearest_texcoord_4(sampler->wrap_t, t, height, y); - nearest_texcoord_4(sampler->wrap_r, p, depth, z); - for (j = 0; j < QUAD_SIZE; j++) { - get_texel(tgsi_sampler, face, level0, x[j], y[j], z[j], rgba, j); - if (level0 != level1) { - /* get texels from second mipmap level and blend */ - float rgba2[4][4]; - unsigned c; - x[j] /= 2; - y[j] /= 2; - z[j] /= 2; - get_texel(tgsi_sampler, face, level1, x[j], y[j], z[j], rgba2, j); - for (c = 0; c < NUM_CHANNELS; c++) { - rgba[c][j] = lerp(levelBlend, rgba2[c][j], rgba[c][j]); - } - } - } + samp->linear_texcoord_s(s, width, x0, x1, xw); + samp->linear_texcoord_t(t, height, y0, y1, yw); + 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); + + /* 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]); } - break; - case PIPE_TEX_FILTER_LINEAR: - case PIPE_TEX_FILTER_ANISO: - { - int x0[4], x1[4], y0[4], y1[4], z0[4], z1[4]; - float xw[4], yw[4], zw[4]; /* interpolation weights */ - linear_texcoord_4(sampler->wrap_s, s, width, x0, x1, xw); - linear_texcoord_4(sampler->wrap_t, t, height, y0, y1, yw); - linear_texcoord_4(sampler->wrap_r, p, depth, z0, z1, zw); - - for (j = 0; j < QUAD_SIZE; j++) { - int c; - float tx0[4][4], tx1[4][4]; - get_texel(tgsi_sampler, face, level0, x0[j], y0[j], z0[j], tx0, 0); - get_texel(tgsi_sampler, face, level0, x1[j], y0[j], z0[j], tx0, 1); - get_texel(tgsi_sampler, face, level0, x0[j], y1[j], z0[j], tx0, 2); - get_texel(tgsi_sampler, face, level0, x1[j], y1[j], z0[j], tx0, 3); - get_texel(tgsi_sampler, face, level0, x0[j], y0[j], z1[j], tx1, 0); - get_texel(tgsi_sampler, face, level0, x1[j], y0[j], z1[j], tx1, 1); - get_texel(tgsi_sampler, face, level0, x0[j], y1[j], z1[j], tx1, 2); - get_texel(tgsi_sampler, face, level0, x1[j], y1[j], z1[j], tx1, 3); - - /* 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]); - } + } +} - if (level0 != level1) { - /* get texels from second mipmap level and blend */ - float rgba2[4][4]; - x0[j] /= 2; - y0[j] /= 2; - z0[j] /= 2; - x1[j] /= 2; - y1[j] /= 2; - z1[j] /= 2; - get_texel(tgsi_sampler, face, level1, x0[j], y0[j], z0[j], tx0, 0); - get_texel(tgsi_sampler, face, level1, x1[j], y0[j], z0[j], tx0, 1); - get_texel(tgsi_sampler, face, level1, x0[j], y1[j], z0[j], tx0, 2); - get_texel(tgsi_sampler, face, level1, x1[j], y1[j], z0[j], tx0, 3); - get_texel(tgsi_sampler, face, level1, x0[j], y0[j], z1[j], tx1, 0); - get_texel(tgsi_sampler, face, level1, x1[j], y0[j], z1[j], tx1, 1); - get_texel(tgsi_sampler, face, level1, x0[j], y1[j], z1[j], tx1, 2); - get_texel(tgsi_sampler, face, level1, x1[j], y1[j], z1[j], tx1, 3); - - /* interpolate R, G, B, A */ - for (c = 0; c < 4; c++) { - rgba2[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]); - } - - /* blend mipmap levels */ - for (c = 0; c < NUM_CHANNELS; c++) { - rgba[c][j] = lerp(levelBlend, rgba[c][j], rgba2[c][j]); - } - } + + + + + + +static void +mip_filter_linear(struct tgsi_sampler *tgsi_sampler, + const float s[QUAD_SIZE], + const float t[QUAD_SIZE], + const float p[QUAD_SIZE], + float lodbias, + float rgba[NUM_CHANNELS][QUAD_SIZE]) +{ + struct sp_sampler_varient *samp = sp_sampler_varient(tgsi_sampler); + const struct pipe_texture *texture = samp->texture; + int level0; + float lambda; + + lambda = samp->compute_lambda(samp, s, t, p, lodbias); + level0 = (int)lambda; + + if (lambda < 0.0) { + samp->level = 0; + samp->mag_img_filter( tgsi_sampler, s, t, p, 0, rgba ); + } + else if (level0 >= texture->last_level) { + samp->level = texture->last_level; + samp->min_img_filter( tgsi_sampler, s, t, p, 0, rgba ); + } + else { + float levelBlend = lambda - level0; + float rgba0[4][4]; + float rgba1[4][4]; + int c,j; + + samp->level = level0; + samp->min_img_filter( tgsi_sampler, s, t, p, 0, rgba0 ); + + samp->level = level0+1; + samp->min_img_filter( tgsi_sampler, s, t, p, 0, rgba1 ); + + for (j = 0; j < QUAD_SIZE; j++) { + for (c = 0; c < 4; c++) { + rgba[c][j] = lerp(levelBlend, rgba0[c][j], rgba1[c][j]); } } - break; - default: - assert(0); } } + static void -sp_get_samples_cube(const struct tgsi_sampler *sampler, - const float s[QUAD_SIZE], - const float t[QUAD_SIZE], - const float p[QUAD_SIZE], - boolean computeLambda, - float lodbias, - float rgba[NUM_CHANNELS][QUAD_SIZE]) +mip_filter_nearest(struct tgsi_sampler *tgsi_sampler, + const float s[QUAD_SIZE], + const float t[QUAD_SIZE], + const float p[QUAD_SIZE], + float lodbias, + float rgba[NUM_CHANNELS][QUAD_SIZE]) { - unsigned faces[QUAD_SIZE], j; - float ssss[4], tttt[4]; - for (j = 0; j < QUAD_SIZE; j++) { - faces[j] = choose_cube_face(s[j], t[j], p[j], ssss + j, tttt + j); + struct sp_sampler_varient *samp = sp_sampler_varient(tgsi_sampler); + const struct pipe_texture *texture = samp->texture; + float lambda; + + lambda = samp->compute_lambda(samp, s, t, p, lodbias); + + if (lambda < 0.0) { + samp->level = 0; + samp->mag_img_filter( tgsi_sampler, s, t, p, 0, rgba ); + } + else { + samp->level = (int)(lambda + 0.5) ; + samp->level = MIN2(samp->level, (int)texture->last_level); + samp->min_img_filter( tgsi_sampler, s, t, p, 0, rgba ); } - sp_get_samples_2d_common(sampler, ssss, tttt, NULL, - computeLambda, lodbias, rgba, faces); } static void -sp_get_samples_rect(const struct tgsi_sampler *tgsi_sampler, - const float s[QUAD_SIZE], - const float t[QUAD_SIZE], - const float p[QUAD_SIZE], - boolean computeLambda, - float lodbias, - float rgba[NUM_CHANNELS][QUAD_SIZE]) +mip_filter_none(struct tgsi_sampler *tgsi_sampler, + const float s[QUAD_SIZE], + const float t[QUAD_SIZE], + const float p[QUAD_SIZE], + float lodbias, + float rgba[NUM_CHANNELS][QUAD_SIZE]) +{ + struct sp_sampler_varient *samp = sp_sampler_varient(tgsi_sampler); + float lambda = samp->compute_lambda(samp, s, t, p, lodbias); + + if (lambda < 0.0) { + samp->mag_img_filter( tgsi_sampler, s, t, p, 0, rgba ); + } + else { + samp->min_img_filter( tgsi_sampler, s, t, p, 0, rgba ); + } +} + + + +/* Specialized version of mip_filter_linear with hard-wired calls to + * 2d lambda calculation and 2d_linear_repeat_POT img filters. + */ +static void +mip_filter_linear_2d_linear_repeat_POT( + struct tgsi_sampler *tgsi_sampler, + const float s[QUAD_SIZE], + const float t[QUAD_SIZE], + const float p[QUAD_SIZE], + float lodbias, + float rgba[NUM_CHANNELS][QUAD_SIZE]) { - const struct sp_shader_sampler *samp = sp_shader_sampler(tgsi_sampler); + 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; - const uint face = 0; - unsigned level0, level1, j, imgFilter; - int width, height; - float levelBlend; + int level0; + float lambda; - choose_mipmap_levels(texture, sampler, s, t, p, computeLambda, lodbias, - &level0, &level1, &levelBlend, &imgFilter); + lambda = compute_lambda_2d(samp, s, t, p, lodbias); + level0 = (int)lambda; - /* texture RECTS cannot be mipmapped */ - assert(level0 == level1); + /* Catches both negative and large values of level0: + */ + if ((unsigned)level0 >= texture->last_level) { + if (level0 < 0) + samp->level = 0; + else + samp->level = texture->last_level; - width = texture->width[level0]; - height = texture->height[level0]; + img_filter_2d_linear_repeat_POT( tgsi_sampler, s, t, p, 0, rgba ); + } + else { + float levelBlend = lambda - level0; + float rgba0[4][4]; + float rgba1[4][4]; + int c,j; - assert(width > 0); + samp->level = level0; + img_filter_2d_linear_repeat_POT( tgsi_sampler, s, t, p, 0, rgba0 ); - switch (imgFilter) { - case PIPE_TEX_FILTER_NEAREST: - { - int x[4], y[4]; - nearest_texcoord_unnorm_4(sampler->wrap_s, s, width, x); - nearest_texcoord_unnorm_4(sampler->wrap_t, t, height, y); - for (j = 0; j < QUAD_SIZE; j++) { - get_texel(tgsi_sampler, face, level0, x[j], y[j], 0, rgba, j); - if (sampler->compare_mode == PIPE_TEX_COMPARE_R_TO_TEXTURE) { - shadow_compare(sampler, rgba, p, j); - } - } - } - break; - case PIPE_TEX_FILTER_LINEAR: - case PIPE_TEX_FILTER_ANISO: - { - int x0[4], y0[4], x1[4], y1[4]; - float xw[4], yw[4]; /* weights */ - linear_texcoord_unnorm_4(sampler->wrap_s, s, width, x0, x1, xw); - linear_texcoord_unnorm_4(sampler->wrap_t, t, height, y0, y1, yw); - for (j = 0; j < QUAD_SIZE; j++) { - float tx[4][4]; /* texels */ - int c; - get_texel(tgsi_sampler, face, level0, x0[j], y0[j], 0, tx, 0); - get_texel(tgsi_sampler, face, level0, x1[j], y0[j], 0, tx, 1); - get_texel(tgsi_sampler, face, level0, x0[j], y1[j], 0, tx, 2); - get_texel(tgsi_sampler, face, level0, x1[j], y1[j], 0, tx, 3); - if (sampler->compare_mode == PIPE_TEX_COMPARE_R_TO_TEXTURE) { - shadow_compare4(sampler, tx, p); - } - 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]); - } + samp->level = level0+1; + img_filter_2d_linear_repeat_POT( tgsi_sampler, s, t, p, 0, rgba1 ); + + for (j = 0; j < QUAD_SIZE; j++) { + for (c = 0; c < 4; c++) { + rgba[c][j] = lerp(levelBlend, rgba0[c][j], rgba1[c][j]); } } - break; - default: - assert(0); } } -/** - * Common code for vertex/fragment program texture sampling. + +/* Compare stage in the little sampling pipeline. */ -static INLINE void -sp_get_samples(struct tgsi_sampler *tgsi_sampler, +static void +sample_compare(struct tgsi_sampler *tgsi_sampler, const float s[QUAD_SIZE], const float t[QUAD_SIZE], const float p[QUAD_SIZE], - boolean computeLambda, float lodbias, float rgba[NUM_CHANNELS][QUAD_SIZE]) { - const struct sp_shader_sampler *samp = sp_shader_sampler(tgsi_sampler); - const struct pipe_texture *texture = samp->texture; + struct sp_sampler_varient *samp = sp_sampler_varient(tgsi_sampler); const struct pipe_sampler_state *sampler = samp->sampler; + int j, k0, k1, k2, k3; + float val; - if (!texture) - return; + samp->mip_filter( tgsi_sampler, s, t, p, lodbias, rgba ); - switch (texture->target) { - case PIPE_TEXTURE_1D: - assert(sampler->normalized_coords); - sp_get_samples_1d(tgsi_sampler, s, t, p, computeLambda, lodbias, rgba); + + /** + * Compare texcoord 'p' (aka R) against texture value 'rgba[0]' + * When we sampled the depth texture, the depth value was put into all + * RGBA channels. We look at the red channel here. + */ + + /* compare four texcoords vs. four texture samples */ + switch (sampler->compare_func) { + case PIPE_FUNC_LESS: + k0 = p[0] < rgba[0][0]; + k1 = p[1] < rgba[0][1]; + k2 = p[2] < rgba[0][2]; + k3 = p[3] < rgba[0][3]; break; - case PIPE_TEXTURE_2D: - if (sampler->normalized_coords) - sp_get_samples_2d(tgsi_sampler, s, t, p, computeLambda, lodbias, rgba); - else - sp_get_samples_rect(tgsi_sampler, s, t, p, computeLambda, lodbias, rgba); + case PIPE_FUNC_LEQUAL: + k0 = p[0] <= rgba[0][0]; + k1 = p[1] <= rgba[0][1]; + k2 = p[2] <= rgba[0][2]; + k3 = p[3] <= rgba[0][3]; break; - case PIPE_TEXTURE_3D: - assert(sampler->normalized_coords); - sp_get_samples_3d(tgsi_sampler, s, t, p, computeLambda, lodbias, rgba); + case PIPE_FUNC_GREATER: + k0 = p[0] > rgba[0][0]; + k1 = p[1] > rgba[0][1]; + k2 = p[2] > rgba[0][2]; + k3 = p[3] > rgba[0][3]; break; - case PIPE_TEXTURE_CUBE: - assert(sampler->normalized_coords); - sp_get_samples_cube(tgsi_sampler, s, t, p, computeLambda, lodbias, rgba); + case PIPE_FUNC_GEQUAL: + k0 = p[0] >= rgba[0][0]; + k1 = p[1] >= rgba[0][1]; + k2 = p[2] >= rgba[0][2]; + k3 = p[3] >= rgba[0][3]; + break; + case PIPE_FUNC_EQUAL: + k0 = p[0] == rgba[0][0]; + k1 = p[1] == rgba[0][1]; + k2 = p[2] == rgba[0][2]; + k3 = p[3] == rgba[0][3]; + break; + case PIPE_FUNC_NOTEQUAL: + k0 = p[0] != rgba[0][0]; + k1 = p[1] != rgba[0][1]; + k2 = p[2] != rgba[0][2]; + k3 = p[3] != rgba[0][3]; + break; + case PIPE_FUNC_ALWAYS: + k0 = k1 = k2 = k3 = 1; + break; + case PIPE_FUNC_NEVER: + k0 = k1 = k2 = k3 = 0; break; default: + k0 = k1 = k2 = k3 = 0; assert(0); + break; } -#if 0 /* DEBUG */ - { - int i; - printf("Sampled at %f, %f, %f:\n", s[0], t[0], p[0]); - for (i = 0; i < 4; i++) { - printf("Frag %d: %f %f %f %f\n", i, - rgba[0][i], - rgba[1][i], - rgba[2][i], - rgba[3][i]); - } + /* convert four pass/fail values to an intensity in [0,1] */ + val = 0.25F * (k0 + k1 + k2 + k3); + + /* XXX returning result for default GL_DEPTH_TEXTURE_MODE = GL_LUMINANCE */ + for (j = 0; j < 4; j++) { + rgba[0][j] = rgba[1][j] = rgba[2][j] = val; + rgba[3][j] = 1.0F; } -#endif } +/* Calculate cube faces. + */ static void -sp_get_samples_fallback(struct tgsi_sampler *tgsi_sampler, - const float s[QUAD_SIZE], - const float t[QUAD_SIZE], - const float p[QUAD_SIZE], - float lodbias, - float rgba[NUM_CHANNELS][QUAD_SIZE]) +sample_cube(struct tgsi_sampler *tgsi_sampler, + const float s[QUAD_SIZE], + const float t[QUAD_SIZE], + const float p[QUAD_SIZE], + float lodbias, + float rgba[NUM_CHANNELS][QUAD_SIZE]) { - sp_get_samples(tgsi_sampler, s, t, p, TRUE, lodbias, rgba); + struct sp_sampler_varient *samp = sp_sampler_varient(tgsi_sampler); + unsigned j; + float ssss[4], tttt[4]; + + /* + major axis + direction target sc tc ma + ---------- ------------------------------- --- --- --- + +rx TEXTURE_CUBE_MAP_POSITIVE_X_EXT -rz -ry rx + -rx TEXTURE_CUBE_MAP_NEGATIVE_X_EXT +rz -ry rx + +ry TEXTURE_CUBE_MAP_POSITIVE_Y_EXT +rx +rz ry + -ry TEXTURE_CUBE_MAP_NEGATIVE_Y_EXT +rx -rz ry + +rz TEXTURE_CUBE_MAP_POSITIVE_Z_EXT +rx -ry rz + -rz TEXTURE_CUBE_MAP_NEGATIVE_Z_EXT -rx -ry rz + */ + for (j = 0; j < QUAD_SIZE; j++) { + float rx = s[j]; + float ry = t[j]; + float rz = p[j]; + const float arx = fabsf(rx), ary = fabsf(ry), arz = fabsf(rz); + unsigned face; + float sc, tc, ma; + + if (arx > ary && arx > arz) { + if (rx >= 0.0F) { + face = PIPE_TEX_FACE_POS_X; + sc = -rz; + tc = -ry; + ma = arx; + } + else { + face = PIPE_TEX_FACE_NEG_X; + sc = rz; + tc = -ry; + ma = arx; + } + } + else if (ary > arx && ary > arz) { + if (ry >= 0.0F) { + face = PIPE_TEX_FACE_POS_Y; + sc = rx; + tc = rz; + ma = ary; + } + else { + face = PIPE_TEX_FACE_NEG_Y; + sc = rx; + tc = -rz; + ma = ary; + } + } + else { + if (rz > 0.0F) { + face = PIPE_TEX_FACE_POS_Z; + sc = rx; + tc = -ry; + ma = arz; + } + else { + face = PIPE_TEX_FACE_NEG_Z; + sc = -rx; + tc = -ry; + ma = arz; + } + } + + ssss[j] = ( sc / ma + 1.0F ) * 0.5F; + tttt[j] = ( tc / ma + 1.0F ) * 0.5F; + samp->faces[j] = face; + } + + /* In our little pipeline, the compare stage is next. If compare + * is not active, this will point somewhere deeper into the + * pipeline, eg. to mip_filter or even img_filter. + */ + samp->compare(tgsi_sampler, ssss, tttt, NULL, lodbias, rgba); } -/** - * Called via tgsi_sampler::get_samples() when running a fragment shader. - * Get four filtered RGBA values from the sampler's texture. - */ -void -sp_get_samples_fragment(struct tgsi_sampler *tgsi_sampler, - const float s[QUAD_SIZE], - const float t[QUAD_SIZE], - const float p[QUAD_SIZE], - float lodbias, - float rgba[NUM_CHANNELS][QUAD_SIZE]) + + + +static wrap_nearest_func get_nearest_unorm_wrap( unsigned mode ) { - struct sp_shader_sampler *samp = sp_shader_sampler(tgsi_sampler); - const struct pipe_texture *texture = samp->texture; - const struct pipe_sampler_state *sampler = samp->sampler; + switch (mode) { + case PIPE_TEX_WRAP_CLAMP: + return wrap_nearest_unorm_clamp; + case PIPE_TEX_WRAP_CLAMP_TO_EDGE: + case PIPE_TEX_WRAP_CLAMP_TO_BORDER: + return wrap_nearest_unorm_clamp_to_border; + default: + assert(0); + return wrap_nearest_unorm_clamp; + } +} - tgsi_sampler->get_samples = sp_get_samples_fallback; - /* Try to hook in a faster sampler. Ultimately we'll have to - * code-generate these. Luckily most of this looks like it is - * orthogonal state within the sampler. - */ - if (texture->target == PIPE_TEXTURE_2D && - sampler->min_img_filter == sampler->mag_img_filter && - sampler->wrap_s == sampler->wrap_t && - sampler->compare_mode == FALSE && - sampler->normalized_coords) - { - samp->xpot = util_unsigned_logbase2( samp->texture->width[0] ); - samp->ypot = util_unsigned_logbase2( samp->texture->height[0] ); - - if (sampler->min_mip_filter == PIPE_TEX_MIPFILTER_NONE) { - samp->level = CLAMP((int) sampler->min_lod, - 0, (int) texture->last_level); - - if (sampler->wrap_s == PIPE_TEX_WRAP_REPEAT) { - switch (sampler->min_img_filter) { +static wrap_nearest_func get_nearest_wrap( unsigned mode ) +{ + switch (mode) { + case PIPE_TEX_WRAP_REPEAT: + return wrap_nearest_repeat; + case PIPE_TEX_WRAP_CLAMP: + return wrap_nearest_clamp; + case PIPE_TEX_WRAP_CLAMP_TO_EDGE: + return wrap_nearest_clamp_to_edge; + case PIPE_TEX_WRAP_CLAMP_TO_BORDER: + return wrap_nearest_clamp_to_border; + case PIPE_TEX_WRAP_MIRROR_REPEAT: + return wrap_nearest_mirror_repeat; + case PIPE_TEX_WRAP_MIRROR_CLAMP: + return wrap_nearest_mirror_clamp; + case PIPE_TEX_WRAP_MIRROR_CLAMP_TO_EDGE: + return wrap_nearest_mirror_clamp_to_edge; + case PIPE_TEX_WRAP_MIRROR_CLAMP_TO_BORDER: + return wrap_nearest_mirror_clamp_to_border; + default: + assert(0); + return wrap_nearest_repeat; + } +} + +static wrap_linear_func get_linear_unorm_wrap( unsigned mode ) +{ + switch (mode) { + case PIPE_TEX_WRAP_CLAMP: + return wrap_linear_unorm_clamp; + case PIPE_TEX_WRAP_CLAMP_TO_EDGE: + case PIPE_TEX_WRAP_CLAMP_TO_BORDER: + return wrap_linear_unorm_clamp_to_border; + default: + assert(0); + return wrap_linear_unorm_clamp; + } +} + +static wrap_linear_func get_linear_wrap( unsigned mode ) +{ + switch (mode) { + case PIPE_TEX_WRAP_REPEAT: + return wrap_linear_repeat; + case PIPE_TEX_WRAP_CLAMP: + return wrap_linear_clamp; + case PIPE_TEX_WRAP_CLAMP_TO_EDGE: + return wrap_linear_clamp_to_edge; + case PIPE_TEX_WRAP_CLAMP_TO_BORDER: + return wrap_linear_clamp_to_border; + case PIPE_TEX_WRAP_MIRROR_REPEAT: + return wrap_linear_mirror_repeat; + case PIPE_TEX_WRAP_MIRROR_CLAMP: + return wrap_linear_mirror_clamp; + case PIPE_TEX_WRAP_MIRROR_CLAMP_TO_EDGE: + return wrap_linear_mirror_clamp_to_edge; + case PIPE_TEX_WRAP_MIRROR_CLAMP_TO_BORDER: + return wrap_linear_mirror_clamp_to_border; + default: + assert(0); + return wrap_linear_repeat; + } +} + +static compute_lambda_func get_lambda_func( const union sp_sampler_key key ) +{ + if (key.bits.processor == TGSI_PROCESSOR_VERTEX) + return compute_lambda_vert; + + switch (key.bits.target) { + case PIPE_TEXTURE_1D: + return compute_lambda_1d; + case PIPE_TEXTURE_2D: + case PIPE_TEXTURE_CUBE: + return compute_lambda_2d; + case PIPE_TEXTURE_3D: + return compute_lambda_3d; + default: + assert(0); + return compute_lambda_1d; + } +} + +static filter_func get_img_filter( const union sp_sampler_key key, + unsigned filter, + const struct pipe_sampler_state *sampler ) +{ + switch (key.bits.target) { + case PIPE_TEXTURE_1D: + if (filter == PIPE_TEX_FILTER_NEAREST) + return img_filter_1d_nearest; + else + return img_filter_1d_linear; + break; + case PIPE_TEXTURE_2D: + /* Try for fast path: + */ + if (key.bits.is_pot && + sampler->wrap_s == sampler->wrap_t && + sampler->normalized_coords) + { + switch (sampler->wrap_s) { + case PIPE_TEX_WRAP_REPEAT: + switch (filter) { case PIPE_TEX_FILTER_NEAREST: - tgsi_sampler->get_samples = sp_get_samples_2d_nearest_repeat_POT; - break; + return img_filter_2d_nearest_repeat_POT; case PIPE_TEX_FILTER_LINEAR: - tgsi_sampler->get_samples = sp_get_samples_2d_linear_repeat_POT; - break; + return img_filter_2d_linear_repeat_POT; default: break; } - } - else if (sampler->wrap_s == PIPE_TEX_WRAP_CLAMP) { - switch (sampler->min_img_filter) { + break; + case PIPE_TEX_WRAP_CLAMP: + switch (filter) { case PIPE_TEX_FILTER_NEAREST: - tgsi_sampler->get_samples = sp_get_samples_2d_nearest_clamp_POT; - break; + return img_filter_2d_nearest_clamp_POT; default: break; } } } - else if (sampler->min_mip_filter == PIPE_TEX_MIPFILTER_LINEAR) { - if (sampler->wrap_s == PIPE_TEX_WRAP_REPEAT) { - switch (sampler->min_img_filter) { - case PIPE_TEX_FILTER_LINEAR: - /* This one not working yet: - */ - if (0) - tgsi_sampler->get_samples = sp_get_samples_2d_linear_mip_linear_repeat_POT; - break; - default: - break; - } - } - } - } - else if (0) { - _debug_printf("target %d/%d min_mip %d/%d min_img %d/%d wrap %d/%d compare %d/%d norm %d/%d\n", - texture->target, PIPE_TEXTURE_2D, - sampler->min_mip_filter, PIPE_TEX_MIPFILTER_NONE, - sampler->min_img_filter, sampler->mag_img_filter, - sampler->wrap_s, sampler->wrap_t, - sampler->compare_mode, FALSE, - sampler->normalized_coords, TRUE); + /* Fallthrough to default versions: + */ + case PIPE_TEXTURE_CUBE: + if (filter == PIPE_TEX_FILTER_NEAREST) + return img_filter_2d_nearest; + else + return img_filter_2d_linear; + break; + case PIPE_TEXTURE_3D: + if (filter == PIPE_TEX_FILTER_NEAREST) + return img_filter_3d_nearest; + else + return img_filter_3d_linear; + break; + default: + assert(0); + return img_filter_1d_nearest; } - - tgsi_sampler->get_samples( tgsi_sampler, s, t, p, lodbias, rgba ); } /** - * Called via tgsi_sampler::get_samples() when running a vertex shader. - * Get four filtered RGBA values from the sampler's texture. + * Bind the given texture object and texture cache to the sampler varient. */ void -sp_get_samples_vertex(struct tgsi_sampler *tgsi_sampler, - const float s[QUAD_SIZE], - const float t[QUAD_SIZE], - const float p[QUAD_SIZE], - float lodbias, - float rgba[NUM_CHANNELS][QUAD_SIZE]) +sp_sampler_varient_bind_texture( struct sp_sampler_varient *samp, + struct softpipe_tex_tile_cache *tex_cache, + const struct pipe_texture *texture ) +{ + const struct pipe_sampler_state *sampler = samp->sampler; + + samp->texture = texture; + samp->cache = tex_cache; + samp->xpot = util_unsigned_logbase2( texture->width[0] ); + samp->ypot = util_unsigned_logbase2( texture->height[0] ); + samp->level = CLAMP((int) sampler->min_lod, 0, (int) texture->last_level); +} + + +void +sp_sampler_varient_destroy( struct sp_sampler_varient *samp ) { - sp_get_samples(tgsi_sampler, s, t, p, FALSE, lodbias, rgba); + FREE(samp); } + + +/* Create a sampler varient for a given set of non-orthogonal state. Currently the + */ +struct sp_sampler_varient * +sp_create_sampler_varient( const struct pipe_sampler_state *sampler, + const union sp_sampler_key key ) +{ + struct sp_sampler_varient *samp = CALLOC_STRUCT(sp_sampler_varient); + if (!samp) + return NULL; + + samp->sampler = sampler; + samp->key = key; + + /* Note that (for instance) linear_texcoord_s and + * nearest_texcoord_s may be active at the same time, if the + * sampler min_img_filter differs from its mag_img_filter. + */ + if (sampler->normalized_coords) { + samp->linear_texcoord_s = get_linear_wrap( sampler->wrap_s ); + samp->linear_texcoord_t = get_linear_wrap( sampler->wrap_t ); + samp->linear_texcoord_p = get_linear_wrap( sampler->wrap_r ); + + samp->nearest_texcoord_s = get_nearest_wrap( sampler->wrap_s ); + samp->nearest_texcoord_t = get_nearest_wrap( sampler->wrap_t ); + samp->nearest_texcoord_p = get_nearest_wrap( sampler->wrap_r ); + } + else { + samp->linear_texcoord_s = get_linear_unorm_wrap( sampler->wrap_s ); + samp->linear_texcoord_t = get_linear_unorm_wrap( sampler->wrap_t ); + samp->linear_texcoord_p = get_linear_unorm_wrap( sampler->wrap_r ); + + samp->nearest_texcoord_s = get_nearest_unorm_wrap( sampler->wrap_s ); + samp->nearest_texcoord_t = get_nearest_unorm_wrap( sampler->wrap_t ); + samp->nearest_texcoord_p = get_nearest_unorm_wrap( sampler->wrap_r ); + } + + samp->compute_lambda = get_lambda_func( key ); + + samp->min_img_filter = get_img_filter(key, sampler->min_img_filter, sampler); + samp->mag_img_filter = get_img_filter(key, sampler->mag_img_filter, sampler); + + switch (sampler->min_mip_filter) { + case PIPE_TEX_MIPFILTER_NONE: + if (sampler->min_img_filter == sampler->mag_img_filter) + samp->mip_filter = samp->min_img_filter; + else + samp->mip_filter = mip_filter_none; + break; + + case PIPE_TEX_MIPFILTER_NEAREST: + samp->mip_filter = mip_filter_nearest; + break; + + case PIPE_TEX_MIPFILTER_LINEAR: + if (key.bits.is_pot && + sampler->min_img_filter == sampler->mag_img_filter && + sampler->normalized_coords && + sampler->wrap_s == PIPE_TEX_WRAP_REPEAT && + sampler->wrap_t == PIPE_TEX_WRAP_REPEAT && + sampler->min_img_filter == PIPE_TEX_FILTER_LINEAR) + { + samp->mip_filter = mip_filter_linear_2d_linear_repeat_POT; + } + else + { + samp->mip_filter = mip_filter_linear; + } + break; + } + + if (sampler->compare_mode != FALSE) { + samp->compare = sample_compare; + } + else { + /* Skip compare operation by promoting the mip_filter function + * pointer: + */ + samp->compare = samp->mip_filter; + } + + if (key.bits.target == PIPE_TEXTURE_CUBE) { + samp->base.get_samples = sample_cube; + } + else { + samp->faces[0] = 0; + samp->faces[1] = 0; + samp->faces[2] = 0; + samp->faces[3] = 0; + + /* Skip cube face determination by promoting the compare + * function pointer: + */ + samp->base.get_samples = samp->compare; + } + + return samp; +} + + + + + + diff --git a/src/gallium/drivers/softpipe/sp_tex_sample.h b/src/gallium/drivers/softpipe/sp_tex_sample.h index 1756d3a4ee..b0797711d3 100644 --- a/src/gallium/drivers/softpipe/sp_tex_sample.h +++ b/src/gallium/drivers/softpipe/sp_tex_sample.h @@ -31,50 +31,122 @@ #include "tgsi/tgsi_exec.h" +struct sp_sampler_varient; + +typedef void (*wrap_nearest_func)(const float s[4], + unsigned size, + int icoord[4]); + +typedef void (*wrap_linear_func)(const float s[4], + unsigned size, + int icoord0[4], + int icoord1[4], + float w[4]); + +typedef float (*compute_lambda_func)(const struct sp_sampler_varient *sampler, + const float s[QUAD_SIZE], + const float t[QUAD_SIZE], + const float p[QUAD_SIZE], + float lodbias); + +typedef void (*filter_func)(struct tgsi_sampler *tgsi_sampler, + const float s[QUAD_SIZE], + const float t[QUAD_SIZE], + const float p[QUAD_SIZE], + float lodbias, + float rgba[NUM_CHANNELS][QUAD_SIZE]); + + +union sp_sampler_key { + struct { + unsigned target:3; + unsigned is_pot:1; + unsigned processor:2; + unsigned unit:4; + unsigned pad:22; + } bits; + unsigned value; +}; /** * Subclass of tgsi_sampler */ -struct sp_shader_sampler +struct sp_sampler_varient { struct tgsi_sampler base; /**< base class */ + union sp_sampler_key key; + + /* The owner of this struct: + */ + const struct pipe_sampler_state *sampler; + + + /* Currently bound texture: + */ + const struct pipe_texture *texture; + struct softpipe_tex_tile_cache *cache; + + unsigned processor; + /* For sp_get_samples_2d_linear_POT: */ unsigned xpot; unsigned ypot; unsigned level; - const struct pipe_texture *texture; - const struct pipe_sampler_state *sampler; + unsigned faces[4]; + + wrap_nearest_func nearest_texcoord_s; + wrap_nearest_func nearest_texcoord_t; + wrap_nearest_func nearest_texcoord_p; - struct softpipe_tex_tile_cache *cache; + wrap_linear_func linear_texcoord_s; + wrap_linear_func linear_texcoord_t; + wrap_linear_func linear_texcoord_p; + + filter_func min_img_filter; + filter_func mag_img_filter; + + compute_lambda_func compute_lambda; + + filter_func mip_filter; + filter_func compare; + + /* Linked list: + */ + struct sp_sampler_varient *next; }; +struct sp_sampler; +/* Create a sampler varient for a given set of non-orthogonal state. Currently the + */ +struct sp_sampler_varient * +sp_create_sampler_varient( const struct pipe_sampler_state *sampler, + const union sp_sampler_key key ); -static INLINE struct sp_shader_sampler * -sp_shader_sampler(const struct tgsi_sampler *sampler) -{ - return (struct sp_shader_sampler *) sampler; -} +void sp_sampler_varient_bind_texture( struct sp_sampler_varient *varient, + struct softpipe_tex_tile_cache *tex_cache, + const struct pipe_texture *tex ); +void sp_sampler_varient_destroy( struct sp_sampler_varient * ); -extern void -sp_get_samples_fragment(struct tgsi_sampler *tgsi_sampler, - const float s[QUAD_SIZE], - const float t[QUAD_SIZE], - const float p[QUAD_SIZE], - float lodbias, - float rgba[NUM_CHANNELS][QUAD_SIZE]); + + +static INLINE struct sp_sampler_varient * +sp_sampler_varient(const struct tgsi_sampler *sampler) +{ + return (struct sp_sampler_varient *) sampler; +} extern void -sp_get_samples_vertex(struct tgsi_sampler *tgsi_sampler, - const float s[QUAD_SIZE], - const float t[QUAD_SIZE], - const float p[QUAD_SIZE], - float lodbias, - float rgba[NUM_CHANNELS][QUAD_SIZE]); +sp_get_samples(struct tgsi_sampler *tgsi_sampler, + const float s[QUAD_SIZE], + const float t[QUAD_SIZE], + const float p[QUAD_SIZE], + float lodbias, + float rgba[NUM_CHANNELS][QUAD_SIZE]); #endif /* SP_TEX_SAMPLE_H */ diff --git a/src/gallium/drivers/softpipe/sp_tex_tile_cache.c b/src/gallium/drivers/softpipe/sp_tex_tile_cache.c index c2dd68c7a2..407a22a9f4 100644 --- a/src/gallium/drivers/softpipe/sp_tex_tile_cache.c +++ b/src/gallium/drivers/softpipe/sp_tex_tile_cache.c @@ -101,21 +101,20 @@ sp_tex_tile_cache_unmap_transfers(struct softpipe_tex_tile_cache *tc) } } +/** + * Invalidate all cached tiles for the cached texture. + * Should be called when the texture is modified. + */ void sp_tex_tile_cache_validate_texture(struct softpipe_tex_tile_cache *tc) { - if (tc->texture) { - struct softpipe_texture *spt = softpipe_texture(tc->texture); - if (spt->timestamp != tc->timestamp) { - /* texture was modified, invalidate all cached tiles */ - uint i; - _debug_printf("INV %d %d\n", tc->timestamp, spt->timestamp); - for (i = 0; i < NUM_ENTRIES; i++) { - tc->entries[i].addr.bits.invalid = 1; - } + unsigned i; - tc->timestamp = spt->timestamp; - } + assert(tc); + assert(tc->texture); + + for (i = 0; i < NUM_ENTRIES; i++) { + tc->entries[i].addr.bits.invalid = 1; } } diff --git a/src/gallium/drivers/softpipe/sp_texture.c b/src/gallium/drivers/softpipe/sp_texture.c index 0c84375bf1..a3a54dada4 100644 --- a/src/gallium/drivers/softpipe/sp_texture.c +++ b/src/gallium/drivers/softpipe/sp_texture.c @@ -120,16 +120,20 @@ softpipe_displaytarget_layout(struct pipe_screen *screen, static struct pipe_texture * softpipe_texture_create(struct pipe_screen *screen, - const struct pipe_texture *templat) + const struct pipe_texture *template) { struct softpipe_texture *spt = CALLOC_STRUCT(softpipe_texture); if (!spt) return NULL; - spt->base = *templat; + spt->base = *template; pipe_reference_init(&spt->base.reference, 1); spt->base.screen = screen; + spt->pot = (util_is_power_of_two(template->width[0]) && + util_is_power_of_two(template->height[0]) && + util_is_power_of_two(template->depth[0])); + if (spt->base.tex_usage & PIPE_TEXTURE_USAGE_DISPLAY_TARGET) { if (!softpipe_displaytarget_layout(screen, spt)) goto fail; diff --git a/src/gallium/drivers/softpipe/sp_texture.h b/src/gallium/drivers/softpipe/sp_texture.h index 42df722a2d..4dd0c1239e 100644 --- a/src/gallium/drivers/softpipe/sp_texture.h +++ b/src/gallium/drivers/softpipe/sp_texture.h @@ -48,6 +48,10 @@ struct softpipe_texture */ struct pipe_buffer *buffer; + /* True if texture images are power-of-two in all dimensions: + */ + boolean pot; + unsigned timestamp; }; diff --git a/src/gallium/drivers/softpipe/sp_tile_cache.c b/src/gallium/drivers/softpipe/sp_tile_cache.c index c520aef44f..608fbcc589 100644 --- a/src/gallium/drivers/softpipe/sp_tile_cache.c +++ b/src/gallium/drivers/softpipe/sp_tile_cache.c @@ -35,8 +35,6 @@ #include "pipe/p_inlines.h" #include "util/u_memory.h" #include "util/u_tile.h" -#include "sp_context.h" -#include "sp_surface.h" #include "sp_tile_cache.h" @@ -185,6 +183,7 @@ sp_tile_cache_unmap_transfers(struct softpipe_tile_cache *tc) } } + /** * Set pixels in a tile to the given clear color/value, float. */ diff --git a/src/gallium/drivers/softpipe/sp_tile_cache.h b/src/gallium/drivers/softpipe/sp_tile_cache.h index 3b0be274d5..a80678e865 100644 --- a/src/gallium/drivers/softpipe/sp_tile_cache.h +++ b/src/gallium/drivers/softpipe/sp_tile_cache.h @@ -34,7 +34,6 @@ #include "pipe/p_compiler.h" -struct softpipe_context; struct softpipe_tile_cache; |