diff options
Diffstat (limited to 'src/gallium')
| -rw-r--r-- | src/gallium/drivers/llvmpipe/lp_context.c | 70 | ||||
| -rw-r--r-- | src/gallium/drivers/llvmpipe/lp_context.h | 21 | ||||
| -rw-r--r-- | src/gallium/drivers/llvmpipe/lp_draw_arrays.c | 3 | ||||
| -rw-r--r-- | src/gallium/drivers/llvmpipe/lp_flush.c | 32 | ||||
| -rw-r--r-- | src/gallium/drivers/llvmpipe/lp_setup.h | 9 | ||||
| -rw-r--r-- | src/gallium/drivers/llvmpipe/lp_state.h | 6 | ||||
| -rw-r--r-- | src/gallium/drivers/llvmpipe/lp_state_derived.c | 7 | ||||
| -rw-r--r-- | src/gallium/drivers/llvmpipe/lp_state_sampler.c | 2 | ||||
| -rw-r--r-- | src/gallium/drivers/llvmpipe/lp_state_surface.c | 41 | ||||
| -rw-r--r-- | src/gallium/drivers/llvmpipe/lp_tex_cache.c | 304 | ||||
| -rw-r--r-- | src/gallium/drivers/llvmpipe/lp_tex_cache.h | 151 | ||||
| -rw-r--r-- | src/gallium/drivers/llvmpipe/lp_tex_sample.h | 3 | ||||
| -rw-r--r-- | src/gallium/drivers/llvmpipe/lp_tex_sample_c.c | 1713 | ||||
| -rw-r--r-- | src/gallium/drivers/llvmpipe/lp_texture.c | 4 |
14 files changed, 33 insertions, 2333 deletions
diff --git a/src/gallium/drivers/llvmpipe/lp_context.c b/src/gallium/drivers/llvmpipe/lp_context.c index 57e71f3e98..f087b65321 100644 --- a/src/gallium/drivers/llvmpipe/lp_context.c +++ b/src/gallium/drivers/llvmpipe/lp_context.c @@ -41,62 +41,12 @@ #include "lp_prim_vbuf.h" #include "lp_state.h" #include "lp_surface.h" -#include "lp_tile_cache.h" -#include "lp_tex_cache.h" #include "lp_texture.h" #include "lp_winsys.h" #include "lp_query.h" -/** - * Map any drawing surfaces which aren't already mapped - */ -void -llvmpipe_map_transfers(struct llvmpipe_context *lp) -{ - struct pipe_screen *screen = lp->pipe.screen; - struct pipe_surface *zsbuf = lp->framebuffer.zsbuf; - unsigned i; - - for (i = 0; i < lp->framebuffer.nr_cbufs; i++) { - lp_tile_cache_map_transfers(lp->cbuf_cache[i]); - } - - if(zsbuf) { - if(!lp->zsbuf_transfer) - lp->zsbuf_transfer = screen->get_tex_transfer(screen, zsbuf->texture, - zsbuf->face, zsbuf->level, zsbuf->zslice, - PIPE_TRANSFER_READ_WRITE, - 0, 0, zsbuf->width, zsbuf->height); - if(lp->zsbuf_transfer && !lp->zsbuf_map) - lp->zsbuf_map = screen->transfer_map(screen, lp->zsbuf_transfer); - - } -} - - -/** - * Unmap any mapped drawing surfaces - */ -void -llvmpipe_unmap_transfers(struct llvmpipe_context *lp) -{ - uint i; - - for (i = 0; i < lp->framebuffer.nr_cbufs; i++) { - lp_tile_cache_unmap_transfers(lp->cbuf_cache[i]); - } - - if(lp->zsbuf_transfer) { - struct pipe_screen *screen = lp->pipe.screen; - - if(lp->zsbuf_map) { - screen->transfer_unmap(screen, lp->zsbuf_transfer); - lp->zsbuf_map = NULL; - } - } -} static void llvmpipe_destroy( struct pipe_context *pipe ) @@ -107,14 +57,16 @@ static void llvmpipe_destroy( struct pipe_context *pipe ) if (llvmpipe->draw) draw_destroy( llvmpipe->draw ); + if (llvmpipe->setup) + lp_setup_destroy( llvmpipe->setup ); + for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) { - lp_destroy_tile_cache(llvmpipe->cbuf_cache[i]); pipe_surface_reference(&llvmpipe->framebuffer.cbufs[i], NULL); } + pipe_surface_reference(&llvmpipe->framebuffer.zsbuf, NULL); for (i = 0; i < PIPE_MAX_SAMPLERS; i++) { - lp_destroy_tex_tile_cache(llvmpipe->tex_cache[i]); pipe_texture_reference(&llvmpipe->texture[i], NULL); } @@ -135,7 +87,7 @@ llvmpipe_is_texture_referenced( struct pipe_context *pipe, struct llvmpipe_context *llvmpipe = llvmpipe_context( pipe ); unsigned i; - if(llvmpipe->dirty_render_cache) { + if (lp_setup_is_active(llvmpipe->setup)) { for (i = 0; i < llvmpipe->framebuffer.nr_cbufs; i++) { if(llvmpipe->framebuffer.cbufs[i] && llvmpipe->framebuffer.cbufs[i]->texture == texture) @@ -226,21 +178,10 @@ llvmpipe_create( struct pipe_screen *screen ) llvmpipe_init_query_funcs( llvmpipe ); llvmpipe_init_texture_funcs( llvmpipe ); - /* - * Alloc caches for accessing drawing surfaces and textures. - */ - for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) - llvmpipe->cbuf_cache[i] = lp_create_tile_cache( screen ); - - for (i = 0; i < PIPE_MAX_SAMPLERS; i++) - llvmpipe->tex_cache[i] = lp_create_tex_tile_cache( screen ); - - /* vertex shader samplers */ for (i = 0; i < PIPE_MAX_SAMPLERS; i++) { llvmpipe->tgsi.vert_samplers[i].base.get_samples = lp_get_samples; llvmpipe->tgsi.vert_samplers[i].processor = TGSI_PROCESSOR_VERTEX; - llvmpipe->tgsi.vert_samplers[i].cache = llvmpipe->tex_cache[i]; llvmpipe->tgsi.vert_samplers_list[i] = &llvmpipe->tgsi.vert_samplers[i]; } @@ -248,7 +189,6 @@ llvmpipe_create( struct pipe_screen *screen ) for (i = 0; i < PIPE_MAX_SAMPLERS; i++) { llvmpipe->tgsi.frag_samplers[i].base.get_samples = lp_get_samples; llvmpipe->tgsi.frag_samplers[i].processor = TGSI_PROCESSOR_FRAGMENT; - llvmpipe->tgsi.frag_samplers[i].cache = llvmpipe->tex_cache[i]; llvmpipe->tgsi.frag_samplers_list[i] = &llvmpipe->tgsi.frag_samplers[i]; } diff --git a/src/gallium/drivers/llvmpipe/lp_context.h b/src/gallium/drivers/llvmpipe/lp_context.h index 0b77ae58d5..17e8897546 100644 --- a/src/gallium/drivers/llvmpipe/lp_context.h +++ b/src/gallium/drivers/llvmpipe/lp_context.h @@ -42,12 +42,10 @@ struct llvmpipe_vbuf_render; struct draw_context; struct draw_stage; -struct llvmpipe_tile_cache; -struct llvmpipe_tex_tile_cache; struct lp_fragment_shader; struct lp_vertex_shader; struct lp_blend_state; - +struct lp_setup_context; struct llvmpipe_context { struct pipe_context pipe; /**< base class */ @@ -112,8 +110,6 @@ struct llvmpipe_context { /** Derived from scissor and surface bounds: */ struct pipe_scissor_state cliprect; - unsigned line_stipple_counter; - /** TGSI exec things */ struct { struct lp_shader_sampler vert_samplers[PIPE_MAX_SAMPLERS]; @@ -122,6 +118,9 @@ struct llvmpipe_context { struct lp_shader_sampler *frag_samplers_list[PIPE_MAX_SAMPLERS]; } tgsi; + /** The tiling engine */ + struct lp_setup_context *setup; + /** The primitive drawing context */ struct draw_context *draw; @@ -129,18 +128,8 @@ struct llvmpipe_context { struct vbuf_render *vbuf_backend; struct draw_stage *vbuf; - boolean dirty_render_cache; - - struct llvmpipe_tile_cache *cbuf_cache[PIPE_MAX_COLOR_BUFS]; - - /* TODO: we shouldn't be using external interfaces internally like this */ - struct pipe_transfer *zsbuf_transfer; - uint8_t *zsbuf_map; - unsigned tex_timestamp; - struct llvmpipe_tex_tile_cache *tex_cache[PIPE_MAX_SAMPLERS]; - - unsigned no_rast : 1; + boolean no_rast; struct lp_jit_context jit_context; }; diff --git a/src/gallium/drivers/llvmpipe/lp_draw_arrays.c b/src/gallium/drivers/llvmpipe/lp_draw_arrays.c index 89772e62d3..2bffcdb3ba 100644 --- a/src/gallium/drivers/llvmpipe/lp_draw_arrays.c +++ b/src/gallium/drivers/llvmpipe/lp_draw_arrays.c @@ -123,7 +123,6 @@ llvmpipe_draw_range_elements(struct pipe_context *pipe, if (lp->dirty) llvmpipe_update_derived( lp ); - llvmpipe_map_transfers(lp); llvmpipe_map_constant_buffers(lp); /* @@ -164,8 +163,6 @@ llvmpipe_draw_range_elements(struct pipe_context *pipe, /* Note: leave drawing surfaces mapped */ llvmpipe_unmap_constant_buffers(lp); - - lp->dirty_render_cache = TRUE; return TRUE; } diff --git a/src/gallium/drivers/llvmpipe/lp_flush.c b/src/gallium/drivers/llvmpipe/lp_flush.c index cd8381fe30..d0dd41f09c 100644 --- a/src/gallium/drivers/llvmpipe/lp_flush.c +++ b/src/gallium/drivers/llvmpipe/lp_flush.c @@ -36,8 +36,6 @@ #include "lp_context.h" #include "lp_surface.h" #include "lp_state.h" -#include "lp_tile_cache.h" -#include "lp_tex_cache.h" #include "lp_winsys.h" @@ -47,40 +45,14 @@ llvmpipe_flush( struct pipe_context *pipe, struct pipe_fence_handle **fence ) { struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe); - uint i; draw_flush(llvmpipe->draw); if (flags & PIPE_FLUSH_SWAPBUFFERS) { - /* If this is a swapbuffers, just flush color buffers. - * - * The zbuffer changes are not discarded, but held in the cache - * in the hope that a later clear will wipe them out. - */ - for (i = 0; i < llvmpipe->framebuffer.nr_cbufs; i++) - if (llvmpipe->cbuf_cache[i]) { - lp_tile_cache_map_transfers(llvmpipe->cbuf_cache[i]); - lp_flush_tile_cache(llvmpipe->cbuf_cache[i]); - } - - /* Need this call for hardware buffers before swapbuffers. - * - * there should probably be another/different flush-type function - * that's called before swapbuffers because we don't always want - * to unmap surfaces when flushing. - */ - llvmpipe_unmap_transfers(llvmpipe); + lp_setup_flush( llvmpipe->setup, FALSE ); } else if (flags & PIPE_FLUSH_RENDER_CACHE) { - for (i = 0; i < llvmpipe->framebuffer.nr_cbufs; i++) - if (llvmpipe->cbuf_cache[i]) { - lp_tile_cache_map_transfers(llvmpipe->cbuf_cache[i]); - lp_flush_tile_cache(llvmpipe->cbuf_cache[i]); - } - - /* FIXME: untile zsbuf! */ - - llvmpipe->dirty_render_cache = FALSE; + lp_setup_flush( llvmpipe->setup, TRUE ); } /* Enable to dump BMPs of the color/depth buffers each frame */ diff --git a/src/gallium/drivers/llvmpipe/lp_setup.h b/src/gallium/drivers/llvmpipe/lp_setup.h index 2542faad36..39e7b558c8 100644 --- a/src/gallium/drivers/llvmpipe/lp_setup.h +++ b/src/gallium/drivers/llvmpipe/lp_setup.h @@ -42,10 +42,17 @@ struct setup_context * lp_setup_create( void ); void +lp_setup_clear(struct pipe_context *pipe, + unsigned buffers, + const float *rgba, + double depth, + unsigned stencil); + +void lp_setup_triangle(struct setup_context *setup, const float (*v0)[4], const float (*v1)[4], - const float (*v1)[4]); + const float (*v2)[4]); void lp_setup_line(struct setup_context *setup, diff --git a/src/gallium/drivers/llvmpipe/lp_state.h b/src/gallium/drivers/llvmpipe/lp_state.h index 7b26ce61a3..a9980d6f14 100644 --- a/src/gallium/drivers/llvmpipe/lp_state.h +++ b/src/gallium/drivers/llvmpipe/lp_state.h @@ -208,12 +208,6 @@ llvmpipe_set_edgeflags(struct pipe_context *pipe, const unsigned *edgeflags); void -llvmpipe_map_transfers(struct llvmpipe_context *lp); - -void -llvmpipe_unmap_transfers(struct llvmpipe_context *lp); - -void llvmpipe_map_texture_surfaces(struct llvmpipe_context *lp); void diff --git a/src/gallium/drivers/llvmpipe/lp_state_derived.c b/src/gallium/drivers/llvmpipe/lp_state_derived.c index fcd31136b7..c9439c7154 100644 --- a/src/gallium/drivers/llvmpipe/lp_state_derived.c +++ b/src/gallium/drivers/llvmpipe/lp_state_derived.c @@ -33,7 +33,6 @@ #include "draw/draw_private.h" #include "lp_context.h" #include "lp_screen.h" -#include "lp_tex_cache.h" #include "lp_state.h" @@ -215,7 +214,7 @@ update_tgsi_samplers( struct llvmpipe_context *llvmpipe ) for (i = 0; i < PIPE_MAX_SAMPLERS; i++) { llvmpipe->tgsi.vert_samplers[i].sampler = llvmpipe->sampler[i]; llvmpipe->tgsi.vert_samplers[i].texture = llvmpipe->texture[i]; - llvmpipe->tgsi.frag_samplers[i].base.get_samples = lp_get_samples; + llvmpipe->tgsi.vert_samplers[i].base.get_samples = lp_get_samples; } /* fragment shader samplers */ @@ -225,10 +224,6 @@ update_tgsi_samplers( struct llvmpipe_context *llvmpipe ) llvmpipe->tgsi.frag_samplers[i].base.get_samples = lp_get_samples; } - for (i = 0; i < PIPE_MAX_SAMPLERS; i++) { - lp_tex_tile_cache_validate_texture( llvmpipe->tex_cache[i] ); - } - llvmpipe->jit_context.samplers = (struct tgsi_sampler **)llvmpipe->tgsi.frag_samplers_list; } diff --git a/src/gallium/drivers/llvmpipe/lp_state_sampler.c b/src/gallium/drivers/llvmpipe/lp_state_sampler.c index c69d90c723..ae787801eb 100644 --- a/src/gallium/drivers/llvmpipe/lp_state_sampler.c +++ b/src/gallium/drivers/llvmpipe/lp_state_sampler.c @@ -37,7 +37,6 @@ #include "lp_context.h" #include "lp_state.h" #include "lp_texture.h" -#include "lp_tex_cache.h" #include "draw/draw_context.h" @@ -97,7 +96,6 @@ llvmpipe_set_sampler_textures(struct pipe_context *pipe, struct pipe_texture *tex = i < num ? texture[i] : NULL; pipe_texture_reference(&llvmpipe->texture[i], tex); - lp_tex_tile_cache_set_texture(llvmpipe->tex_cache[i], tex); if(tex) { struct llvmpipe_texture *lp_tex = llvmpipe_texture(tex); diff --git a/src/gallium/drivers/llvmpipe/lp_state_surface.c b/src/gallium/drivers/llvmpipe/lp_state_surface.c index c06ce8b75c..06560335d7 100644 --- a/src/gallium/drivers/llvmpipe/lp_state_surface.c +++ b/src/gallium/drivers/llvmpipe/lp_state_surface.c @@ -31,16 +31,12 @@ #include "lp_context.h" #include "lp_state.h" #include "lp_surface.h" -#include "lp_tile_cache.h" #include "draw/draw_context.h" /** - * XXX this might get moved someday * Set the framebuffer surface info: color buffers, zbuffer, stencil buffer. - * Here, we flush the old surfaces and update the tile cache to point to the new - * surfaces. */ void llvmpipe_set_framebuffer_state(struct pipe_context *pipe, @@ -48,38 +44,23 @@ llvmpipe_set_framebuffer_state(struct pipe_context *pipe, { struct llvmpipe_context *lp = llvmpipe_context(pipe); uint i; + boolean dirty = FALSE; for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) { - /* check if changing cbuf */ if (lp->framebuffer.cbufs[i] != fb->cbufs[i]) { - /* flush old */ - lp_tile_cache_map_transfers(lp->cbuf_cache[i]); - lp_flush_tile_cache(lp->cbuf_cache[i]); - - /* assign new */ pipe_surface_reference(&lp->framebuffer.cbufs[i], fb->cbufs[i]); - - /* update cache */ - lp_tile_cache_set_surface(lp->cbuf_cache[i], fb->cbufs[i]); + dirty = TRUE; } } - lp->framebuffer.nr_cbufs = fb->nr_cbufs; + if (lp->framebuffer.nr_cbufs != fb->nr_cbufs) { + dirty = TRUE; + lp->framebuffer.nr_cbufs = fb->nr_cbufs; + } /* zbuf changing? */ if (lp->framebuffer.zsbuf != fb->zsbuf) { - - if(lp->zsbuf_transfer) { - struct pipe_screen *screen = pipe->screen; - - if(lp->zsbuf_map) { - screen->transfer_unmap(screen, lp->zsbuf_transfer); - lp->zsbuf_map = NULL; - } - - screen->tex_transfer_destroy(lp->zsbuf_transfer); - lp->zsbuf_transfer = NULL; - } + dirty = TRUE; /* assign new */ pipe_surface_reference(&lp->framebuffer.zsbuf, fb->zsbuf); @@ -100,8 +81,8 @@ llvmpipe_set_framebuffer_state(struct pipe_context *pipe, } } - lp->framebuffer.width = fb->width; - lp->framebuffer.height = fb->height; - - lp->dirty |= LP_NEW_FRAMEBUFFER; + if (dirty) { + lp_setup_set_framebuffer( llvmpipe->setup, fb ); + lp->dirty |= LP_NEW_FRAMEBUFFER; + } } diff --git a/src/gallium/drivers/llvmpipe/lp_tex_cache.c b/src/gallium/drivers/llvmpipe/lp_tex_cache.c deleted file mode 100644 index 773e848242..0000000000 --- a/src/gallium/drivers/llvmpipe/lp_tex_cache.c +++ /dev/null @@ -1,304 +0,0 @@ -/************************************************************************** - * - * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sub license, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. - * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - **************************************************************************/ - -/** - * Texture tile caching. - * - * Author: - * Brian Paul - */ - -#include "pipe/p_inlines.h" -#include "util/u_memory.h" -#include "util/u_tile.h" -#include "util/u_format.h" -#include "lp_context.h" -#include "lp_surface.h" -#include "lp_texture.h" -#include "lp_tex_cache.h" - - - -/** - * Return the position in the cache for the tile that contains win pos (x,y). - * We currently use a direct mapped cache so this is like a hack key. - * At some point we should investige something more sophisticated, like - * a LRU replacement policy. - */ -#define CACHE_POS(x, y) \ - (((x) + (y) * 5) % NUM_ENTRIES) - - - -/** - * Is the tile at (x,y) in cleared state? - */ -static INLINE uint -is_clear_flag_set(const uint *bitvec, union tex_tile_address addr) -{ - int pos, bit; - pos = addr.bits.y * (MAX_TEX_WIDTH / TEX_TILE_SIZE) + addr.bits.x; - assert(pos / 32 < (MAX_TEX_WIDTH / TEX_TILE_SIZE) * (MAX_TEX_HEIGHT / TEX_TILE_SIZE) / 32); - bit = bitvec[pos / 32] & (1 << (pos & 31)); - return bit; -} - - -/** - * Mark the tile at (x,y) as not cleared. - */ -static INLINE void -clear_clear_flag(uint *bitvec, union tex_tile_address addr) -{ - int pos; - pos = addr.bits.y * (MAX_TEX_WIDTH / TEX_TILE_SIZE) + addr.bits.x; - assert(pos / 32 < (MAX_TEX_WIDTH / TEX_TILE_SIZE) * (MAX_TEX_HEIGHT / TEX_TILE_SIZE) / 32); - bitvec[pos / 32] &= ~(1 << (pos & 31)); -} - - -struct llvmpipe_tex_tile_cache * -lp_create_tex_tile_cache( struct pipe_screen *screen ) -{ - struct llvmpipe_tex_tile_cache *tc; - uint pos; - - tc = CALLOC_STRUCT( llvmpipe_tex_tile_cache ); - if (tc) { - tc->screen = screen; - for (pos = 0; pos < NUM_ENTRIES; pos++) { - tc->entries[pos].addr.bits.invalid = 1; - } - tc->last_tile = &tc->entries[0]; /* any tile */ - } - return tc; -} - - -void -lp_destroy_tex_tile_cache(struct llvmpipe_tex_tile_cache *tc) -{ - struct pipe_screen *screen; - uint pos; - - for (pos = 0; pos < NUM_ENTRIES; pos++) { - /*assert(tc->entries[pos].x < 0);*/ - } - if (tc->transfer) { - screen = tc->transfer->texture->screen; - screen->tex_transfer_destroy(tc->transfer); - } - if (tc->tex_trans) { - screen = tc->tex_trans->texture->screen; - screen->tex_transfer_destroy(tc->tex_trans); - } - - FREE( tc ); -} - - -void -lp_tex_tile_cache_map_transfers(struct llvmpipe_tex_tile_cache *tc) -{ - if (tc->transfer && !tc->transfer_map) - tc->transfer_map = tc->screen->transfer_map(tc->screen, tc->transfer); - - if (tc->tex_trans && !tc->tex_trans_map) - tc->tex_trans_map = tc->screen->transfer_map(tc->screen, tc->tex_trans); -} - - -void -lp_tex_tile_cache_unmap_transfers(struct llvmpipe_tex_tile_cache *tc) -{ - if (tc->transfer_map) { - tc->screen->transfer_unmap(tc->screen, tc->transfer); - tc->transfer_map = NULL; - } - - if (tc->tex_trans_map) { - tc->screen->transfer_unmap(tc->screen, tc->tex_trans); - tc->tex_trans_map = NULL; - } -} - -void -lp_tex_tile_cache_validate_texture(struct llvmpipe_tex_tile_cache *tc) -{ - if (tc->texture) { - struct llvmpipe_texture *lpt = llvmpipe_texture(tc->texture); - if (lpt->timestamp != tc->timestamp) { - /* texture was modified, invalidate all cached tiles */ - uint i; - debug_printf("INV %d %d\n", tc->timestamp, lpt->timestamp); - for (i = 0; i < NUM_ENTRIES; i++) { - tc->entries[i].addr.bits.invalid = 1; - } - - tc->timestamp = lpt->timestamp; - } - } -} - -/** - * Specify the texture to cache. - */ -void -lp_tex_tile_cache_set_texture(struct llvmpipe_tex_tile_cache *tc, - struct pipe_texture *texture) -{ - uint i; - - assert(!tc->transfer); - - if (tc->texture != texture) { - pipe_texture_reference(&tc->texture, texture); - - if (tc->tex_trans) { - struct pipe_screen *screen = tc->tex_trans->texture->screen; - - if (tc->tex_trans_map) { - screen->transfer_unmap(screen, tc->tex_trans); - tc->tex_trans_map = NULL; - } - - screen->tex_transfer_destroy(tc->tex_trans); - tc->tex_trans = NULL; - } - - /* mark as entries as invalid/empty */ - /* XXX we should try to avoid this when the teximage hasn't changed */ - for (i = 0; i < NUM_ENTRIES; i++) { - tc->entries[i].addr.bits.invalid = 1; - } - - tc->tex_face = -1; /* any invalid value here */ - } -} - - -/** - * Given the texture face, level, zslice, x and y values, compute - * the cache entry position/index where we'd hope to find the - * cached texture tile. - * This is basically a direct-map cache. - * XXX There's probably lots of ways in which we can improve this. - */ -static INLINE uint -tex_cache_pos( union tex_tile_address addr ) -{ - uint entry = (addr.bits.x + - addr.bits.y * 9 + - addr.bits.z * 3 + - addr.bits.face + - addr.bits.level * 7); - - return entry % NUM_ENTRIES; -} - -/** - * Similar to lp_get_cached_tile() but for textures. - * Tiles are read-only and indexed with more params. - */ -const struct llvmpipe_cached_tex_tile * -lp_find_cached_tex_tile(struct llvmpipe_tex_tile_cache *tc, - union tex_tile_address addr ) -{ - struct pipe_screen *screen = tc->screen; - struct llvmpipe_cached_tex_tile *tile; - - tile = tc->entries + tex_cache_pos( addr ); - - if (addr.value != tile->addr.value) { - - /* cache miss. Most misses are because we've invaldiated the - * texture cache previously -- most commonly on binding a new - * texture. Currently we effectively flush the cache on texture - * bind. - */ -#if 0 - _debug_printf("miss at %u: x=%d y=%d z=%d face=%d level=%d\n" - " tile %u: x=%d y=%d z=%d face=%d level=%d\n", - pos, x/TEX_TILE_SIZE, y/TEX_TILE_SIZE, z, face, level, - pos, tile->addr.bits.x, tile->addr.bits.y, tile->z, tile->face, tile->level); -#endif - - /* check if we need to get a new transfer */ - if (!tc->tex_trans || - tc->tex_face != addr.bits.face || - tc->tex_level != addr.bits.level || - tc->tex_z != addr.bits.z) { - /* get new transfer (view into texture) */ - - if (tc->tex_trans) { - if (tc->tex_trans_map) { - tc->screen->transfer_unmap(tc->screen, tc->tex_trans); - tc->tex_trans_map = NULL; - } - - screen->tex_transfer_destroy(tc->tex_trans); - tc->tex_trans = NULL; - } - - tc->tex_trans = - screen->get_tex_transfer(screen, tc->texture, - addr.bits.face, - addr.bits.level, - addr.bits.z, - PIPE_TRANSFER_READ, 0, 0, - tc->texture->width[addr.bits.level], - tc->texture->height[addr.bits.level]); - - tc->tex_trans_map = screen->transfer_map(screen, tc->tex_trans); - - tc->tex_face = addr.bits.face; - tc->tex_level = addr.bits.level; - tc->tex_z = addr.bits.z; - } - - { - unsigned x = addr.bits.x * TEX_TILE_SIZE; - unsigned y = addr.bits.y * TEX_TILE_SIZE; - unsigned w = TEX_TILE_SIZE; - unsigned h = TEX_TILE_SIZE; - - if (pipe_clip_tile(x, y, &w, &h, tc->tex_trans)) { - assert(0); - } - - util_format_read_4ub(tc->tex_trans->format, - (uint8_t *)tile->color, sizeof tile->color[0], - tc->tex_trans_map, tc->tex_trans->stride, - x, y, w, h); - } - - tile->addr = addr; - } - - tc->last_tile = tile; - return tile; -} diff --git a/src/gallium/drivers/llvmpipe/lp_tex_cache.h b/src/gallium/drivers/llvmpipe/lp_tex_cache.h deleted file mode 100644 index 9fa6c36812..0000000000 --- a/src/gallium/drivers/llvmpipe/lp_tex_cache.h +++ /dev/null @@ -1,151 +0,0 @@ -/************************************************************************** - * - * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sub license, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. - * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - **************************************************************************/ - -#ifndef LP_TEX_CACHE_H -#define LP_TEX_CACHE_H - - -#include "pipe/p_compiler.h" - - -struct llvmpipe_context; -struct llvmpipe_tex_tile_cache; - - -/** - * Cache tile size (width and height). This needs to be a power of two. - */ -#define TEX_TILE_SIZE 64 - - -/* If we need to support > 4096, just expand this to be a 64 bit - * union, or consider tiling in Z as well. - */ -union tex_tile_address { - struct { - unsigned x:6; /* 4096 / TEX_TILE_SIZE */ - unsigned y:6; /* 4096 / TEX_TILE_SIZE */ - unsigned z:12; /* 4096 -- z not tiled */ - unsigned face:3; - unsigned level:4; - unsigned invalid:1; - } bits; - unsigned value; -}; - - -struct llvmpipe_cached_tex_tile -{ - union tex_tile_address addr; - uint8_t color[TEX_TILE_SIZE][TEX_TILE_SIZE][4]; -}; - -#define NUM_ENTRIES 50 - - -/** XXX move these */ -#define MAX_TEX_WIDTH 2048 -#define MAX_TEX_HEIGHT 2048 - - -struct llvmpipe_tex_tile_cache -{ - struct pipe_screen *screen; - struct pipe_surface *surface; /**< the surface we're caching */ - struct pipe_transfer *transfer; - void *transfer_map; - - struct pipe_texture *texture; /**< if caching a texture */ - unsigned timestamp; - - struct llvmpipe_cached_tex_tile entries[NUM_ENTRIES]; - - struct pipe_transfer *tex_trans; - void *tex_trans_map; - int tex_face, tex_level, tex_z; - - struct llvmpipe_cached_tex_tile *last_tile; /**< most recently retrieved tile */ -}; - - -extern struct llvmpipe_tex_tile_cache * -lp_create_tex_tile_cache( struct pipe_screen *screen ); - -extern void -lp_destroy_tex_tile_cache(struct llvmpipe_tex_tile_cache *tc); - -extern void -lp_tex_tile_cache_map_transfers(struct llvmpipe_tex_tile_cache *tc); - -extern void -lp_tex_tile_cache_unmap_transfers(struct llvmpipe_tex_tile_cache *tc); - -extern void -lp_tex_tile_cache_set_texture(struct llvmpipe_tex_tile_cache *tc, - struct pipe_texture *texture); - -void -lp_tex_tile_cache_validate_texture(struct llvmpipe_tex_tile_cache *tc); - -extern const struct llvmpipe_cached_tex_tile * -lp_find_cached_tex_tile(struct llvmpipe_tex_tile_cache *tc, - union tex_tile_address addr ); - -static INLINE const union tex_tile_address -tex_tile_address( unsigned x, - unsigned y, - unsigned z, - unsigned face, - unsigned level ) -{ - union tex_tile_address addr; - - addr.value = 0; - addr.bits.x = x / TEX_TILE_SIZE; - addr.bits.y = y / TEX_TILE_SIZE; - addr.bits.z = z; - addr.bits.face = face; - addr.bits.level = level; - - return addr; -} - -/* Quickly retrieve tile if it matches last lookup. - */ -static INLINE const struct llvmpipe_cached_tex_tile * -lp_get_cached_tex_tile(struct llvmpipe_tex_tile_cache *tc, - union tex_tile_address addr ) -{ - if (tc->last_tile->addr.value == addr.value) - return tc->last_tile; - - return lp_find_cached_tex_tile( tc, addr ); -} - - -#endif /* LP_TEX_CACHE_H */ - diff --git a/src/gallium/drivers/llvmpipe/lp_tex_sample.h b/src/gallium/drivers/llvmpipe/lp_tex_sample.h index 9ad1bde956..526ea100db 100644 --- a/src/gallium/drivers/llvmpipe/lp_tex_sample.h +++ b/src/gallium/drivers/llvmpipe/lp_tex_sample.h @@ -34,7 +34,6 @@ #include "tgsi/tgsi_exec.h" -struct llvmpipe_tex_tile_cache; struct lp_sampler_static_state; @@ -55,8 +54,6 @@ struct lp_shader_sampler const struct pipe_texture *texture; const struct pipe_sampler_state *sampler; - - struct llvmpipe_tex_tile_cache *cache; }; diff --git a/src/gallium/drivers/llvmpipe/lp_tex_sample_c.c b/src/gallium/drivers/llvmpipe/lp_tex_sample_c.c deleted file mode 100644 index a1365a045f..0000000000 --- a/src/gallium/drivers/llvmpipe/lp_tex_sample_c.c +++ /dev/null @@ -1,1713 +0,0 @@ -/************************************************************************** - * - * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. - * All Rights Reserved. - * Copyright 2008 VMware, Inc. All rights reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sub license, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. - * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - **************************************************************************/ - -/** - * Texture sampling - * - * Authors: - * Brian Paul - */ - -#include "lp_context.h" -#include "lp_quad.h" -#include "lp_surface.h" -#include "lp_texture.h" -#include "lp_tex_sample.h" -#include "lp_tex_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" - - - -/* - * Note, the FRAC macro has to work perfectly. Otherwise you'll sometimes - * see 1-pixel bands of improperly weighted linear-filtered textures. - * The tests/texwrap.c demo is a good test. - * Also note, FRAC(x) doesn't truly return the fractional part of x for x < 0. - * Instead, if x < 0 then FRAC(x) = 1 - true_frac(x). - */ -#define FRAC(f) ((f) - util_ifloor(f)) - - -/** - * Linear interpolation macro - */ -static INLINE float -lerp(float a, float v0, float v1) -{ - return v0 + a * (v1 - v0); -} - - -/** - * Do 2D/biliner interpolation of float values. - * v00, v10, v01 and v11 are typically four texture samples in a square/box. - * a and b are the horizontal and vertical interpolants. - * It's important that this function is inlined when compiled with - * optimization! If we find that's not true on some systems, convert - * to a macro. - */ -static INLINE float -lerp_2d(float a, float b, - float v00, float v10, float v01, float v11) -{ - const float temp0 = lerp(a, v00, v10); - const float temp1 = lerp(a, v01, v11); - return lerp(b, temp0, temp1); -} - - -/** - * As above, but 3D interpolation of 8 values. - */ -static INLINE float -lerp_3d(float a, float b, float c, - float v000, float v100, float v010, float v110, - float v001, float v101, float v011, float v111) -{ - const float temp0 = lerp_2d(a, b, v000, v100, v010, v110); - const float temp1 = lerp_2d(a, b, v001, v101, v011, v111); - return lerp(c, temp0, temp1); -} - - - -/** - * If A is a signed integer, A % B doesn't give the right value for A < 0 - * (in terms of texture repeat). Just casting to unsigned fixes that. - */ -#define REMAINDER(A, B) ((unsigned) (A) % (unsigned) (B)) - - -/** - * Apply texture coord wrapping mode and return integer texture indexes - * for a vector of four texcoords (S or T or P). - * \param wrapMode PIPE_TEX_WRAP_x - * \param s the incoming texcoords - * \param size the texture image size - * \param icoord returns the integer texcoords - * \return integer texture index - */ -static INLINE void -nearest_texcoord_4(unsigned wrapMode, 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); - } - 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); - } -} - - -/** - * Used to compute texel locations for linear sampling for four texcoords. - * \param wrapMode PIPE_TEX_WRAP_x - * \param s the texcoords - * \param size the texture image size - * \param icoord0 returns first texture indexes - * \param icoord1 returns second texture indexes (usually icoord0 + 1) - * \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, - int icoord0[4], int icoord1[4], float w[4]) -{ - uint ch; - - 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); - } -} - - -/** - * 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, - 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 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, - 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); - } -} - - -static unsigned -choose_cube_face(float rx, float ry, float rz, float *newS, float *newT) -{ - /* - 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; - } - } - - *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(struct tgsi_sampler *tgsi_sampler, - const float s[QUAD_SIZE], - const float t[QUAD_SIZE], - const float p[QUAD_SIZE], - float lodbias) -{ - const struct lp_shader_sampler *samp = lp_shader_sampler(tgsi_sampler); - const struct pipe_texture *texture = samp->texture; - const struct pipe_sampler_state *sampler = samp->sampler; - float rho, lambda; - - if (samp->processor == TGSI_PROCESSOR_VERTEX) - return lodbias; - - assert(sampler->normalized_coords); - - 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) * texture->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) * texture->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) * texture->depth[0]; - rho = MAX2(rho, max); - } - - lambda = util_fast_log2(rho); - lambda += lodbias + sampler->lod_bias; - lambda = CLAMP(lambda, sampler->min_lod, sampler->max_lod); - - return lambda; -} - - -/** - * 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(struct tgsi_sampler *tgsi_sampler, - const float s[QUAD_SIZE], - const float t[QUAD_SIZE], - const float p[QUAD_SIZE], - float lodbias, - unsigned *level0, unsigned *level1, float *levelBlend, - unsigned *imgFilter) -{ - const struct lp_shader_sampler *samp = lp_shader_sampler(tgsi_sampler); - const struct pipe_texture *texture = samp->texture; - const struct pipe_sampler_state *sampler = samp->sampler; - - 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(tgsi_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 = compute_lambda(tgsi_sampler, s, t, p, lodbias); - - 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 */ - } - } - } -} - - -/** - * Get a texel from a texture, using the texture tile cache. - * - * \param face the cube face in 0..5 - * \param level the mipmap level - * \param x the x coord of texel within 2D image - * \param y the y coord of texel within 2D image - * \param z which slice of a 3D texture - * \param rgba the quad to put the texel/color into - * \param j which element of the rgba quad to write to - * - * XXX maybe move this into lp_tile_cache.c and merge with the - * lp_get_cached_tile_tex() function. Also, get 4 texels instead of 1... - */ -static void -get_texel_quad_2d(const struct tgsi_sampler *tgsi_sampler, - unsigned face, unsigned level, int x, int y, - const uint8_t *out[4]) -{ - const struct lp_shader_sampler *samp = lp_shader_sampler(tgsi_sampler); - - const struct llvmpipe_cached_tex_tile *tile - = lp_get_cached_tex_tile(samp->cache, - tex_tile_address(x, y, 0, face, level)); - - y %= TEX_TILE_SIZE; - x %= TEX_TILE_SIZE; - - out[0] = &tile->color[y ][x ][0]; - out[1] = &tile->color[y ][x+1][0]; - out[2] = &tile->color[y+1][x ][0]; - out[3] = &tile->color[y+1][x+1][0]; -} - -static INLINE const uint8_t * -get_texel_2d_ptr(const struct tgsi_sampler *tgsi_sampler, - unsigned face, unsigned level, int x, int y) -{ - const struct lp_shader_sampler *samp = lp_shader_sampler(tgsi_sampler); - - const struct llvmpipe_cached_tex_tile *tile - = lp_get_cached_tex_tile(samp->cache, - tex_tile_address(x, y, 0, face, level)); - - y %= TEX_TILE_SIZE; - x %= TEX_TILE_SIZE; - - return &tile->color[y][x][0]; -} - - -static void -get_texel_quad_2d_mt(const struct tgsi_sampler *tgsi_sampler, - unsigned face, unsigned level, - int x0, int y0, - int x1, int y1, - const uint8_t *out[4]) -{ - unsigned i; - - for (i = 0; i < 4; i++) { - unsigned tx = (i & 1) ? x1 : x0; - unsigned ty = (i >> 1) ? y1 : y0; - - out[i] = get_texel_2d_ptr( tgsi_sampler, face, level, tx, ty ); - } -} - -static 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 lp_shader_sampler *samp = lp_shader_sampler(tgsi_sampler); - const struct pipe_texture *texture = samp->texture; - const struct pipe_sampler_state *sampler = samp->sampler; - - if (x < 0 || x >= (int) texture->width[level] || - y < 0 || y >= (int) texture->height[level] || - z < 0 || z >= (int) texture->depth[level]) { - rgba[0][j] = sampler->border_color[0]; - rgba[1][j] = sampler->border_color[1]; - rgba[2][j] = sampler->border_color[2]; - rgba[3][j] = sampler->border_color[3]; - } - else { - const unsigned tx = x % TEX_TILE_SIZE; - const unsigned ty = y % TEX_TILE_SIZE; - const struct llvmpipe_cached_tex_tile *tile; - - tile = lp_get_cached_tex_tile(samp->cache, - tex_tile_address(x, y, z, face, level)); - - rgba[0][j] = ubyte_to_float(tile->color[ty][tx][0]); - rgba[1][j] = ubyte_to_float(tile->color[ty][tx][1]); - rgba[2][j] = ubyte_to_float(tile->color[ty][tx][2]); - rgba[3][j] = ubyte_to_float(tile->color[ty][tx][3]); - if (0) - { - debug_printf("Get texel %f %f %f %f from %s\n", - rgba[0][j], rgba[1][j], rgba[2][j], rgba[3][j], - pf_name(texture->format)); - } - } -} - - -/** - * 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 -lp_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]) -{ - const struct lp_shader_sampler *samp = lp_shader_sampler(tgsi_sampler); - unsigned j; - unsigned level = samp->level; - unsigned xpot = 1 << (samp->xpot - level); - unsigned ypot = 1 << (samp->ypot - level); - unsigned xmax = (xpot - 1) & (TEX_TILE_SIZE - 1); /* MIN2(TEX_TILE_SIZE, xpot) - 1; */ - unsigned ymax = (ypot - 1) & (TEX_TILE_SIZE - 1); /* MIN2(TEX_TILE_SIZE, ypot) - 1; */ - - for (j = 0; j < QUAD_SIZE; j++) { - int c; - - float u = s[j] * xpot - 0.5F; - float v = t[j] * ypot - 0.5F; - - int uflr = util_ifloor(u); - int vflr = util_ifloor(v); - - float xw = u - (float)uflr; - float yw = v - (float)vflr; - - int x0 = uflr & (xpot - 1); - int y0 = vflr & (ypot - 1); - - const uint8_t *tx[4]; - - - /* Can we fetch all four at once: - */ - if (x0 < xmax && y0 < ymax) - { - get_texel_quad_2d(tgsi_sampler, 0, level, x0, y0, tx); - } - else - { - 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); - } - - - /* interpolate R, G, B, A */ - for (c = 0; c < 4; c++) { - rgba[c][j] = lerp_2d(xw, yw, - ubyte_to_float(tx[0][c]), ubyte_to_float(tx[1][c]), - ubyte_to_float(tx[2][c]), ubyte_to_float(tx[3][c])); - } - } -} - - -static void -lp_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]) -{ - const struct lp_shader_sampler *samp = lp_shader_sampler(tgsi_sampler); - unsigned j; - unsigned level = samp->level; - unsigned xpot = 1 << (samp->xpot - level); - unsigned ypot = 1 << (samp->ypot - level); - - for (j = 0; j < QUAD_SIZE; j++) { - int c; - - float u = s[j] * xpot; - float v = t[j] * ypot; - - int uflr = util_ifloor(u); - int vflr = util_ifloor(v); - - int x0 = uflr & (xpot - 1); - int y0 = vflr & (ypot - 1); - - const uint8_t *out = get_texel_2d_ptr(tgsi_sampler, 0, level, x0, y0); - - for (c = 0; c < 4; c++) { - rgba[c][j] = ubyte_to_float(out[c]); - } - } -} - - -static void -lp_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]) -{ - const struct lp_shader_sampler *samp = lp_shader_sampler(tgsi_sampler); - unsigned j; - unsigned level = samp->level; - unsigned xpot = 1 << (samp->xpot - level); - unsigned ypot = 1 << (samp->ypot - level); - - for (j = 0; j < QUAD_SIZE; j++) { - int c; - - float u = s[j] * xpot; - float v = t[j] * ypot; - - int x0, y0; - const uint8_t *out; - - x0 = util_ifloor(u); - if (x0 < 0) - x0 = 0; - else if (x0 > xpot - 1) - x0 = xpot - 1; - - y0 = util_ifloor(v); - if (y0 < 0) - y0 = 0; - else if (y0 > ypot - 1) - y0 = ypot - 1; - - out = get_texel_2d_ptr(tgsi_sampler, 0, level, x0, y0); - - for (c = 0; c < 4; c++) { - rgba[c][j] = ubyte_to_float(out[c]); - } - } -} - - -static void -lp_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]) -{ - struct lp_shader_sampler *samp = lp_shader_sampler(tgsi_sampler); - const struct pipe_texture *texture = samp->texture; - int level0; - float lambda; - - lambda = compute_lambda(tgsi_sampler, s, t, p, lodbias); - level0 = (int)lambda; - - if (lambda < 0.0) { - samp->level = 0; - lp_get_samples_2d_linear_repeat_POT( tgsi_sampler, - s, t, p, 0, rgba ); - } - else if (level0 >= texture->last_level) { - samp->level = texture->last_level; - lp_get_samples_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; - - samp->level = level0; - lp_get_samples_2d_linear_repeat_POT( tgsi_sampler, - s, t, p, 0, rgba0 ); - - samp->level = level0+1; - lp_get_samples_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]); - } - } - } -} - -/** - * Common code for sampling 1D/2D/cube textures. - * Could probably extend for 3D... - */ -static void -lp_get_samples_2d_common(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 unsigned faces[4]) -{ - const struct lp_shader_sampler *samp = lp_shader_sampler(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; - - choose_mipmap_levels(tgsi_sampler, s, t, p, - lodbias, - &level0, &level1, &levelBlend, &imgFilter); - - assert(sampler->normalized_coords); - - 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); - } - - 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]); - } - - if (level0 != level1) { - /* get texels from second mipmap level and blend */ - float rgba2[4][4]; - - /* XXX: This is incorrect -- will often end up with (x0 - * == x1 && y0 == y1), meaning that we fetch the same - * texel four times and linearly interpolate between - * identical values. The correct approach would be to - * call linear_texcoord again for the second level. - */ - 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]); - } - } - } - } - break; - default: - assert(0); - } -} - - -static INLINE void -lp_get_samples_1d(struct tgsi_sampler *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}; - lp_get_samples_2d_common(sampler, s, tzero, NULL, - lodbias, rgba, faces); -} - - -static INLINE void -lp_get_samples_2d(struct tgsi_sampler *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}; - lp_get_samples_2d_common(sampler, s, t, p, - lodbias, rgba, faces); -} - - -static INLINE void -lp_get_samples_3d(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 lp_shader_sampler *samp = lp_shader_sampler(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; - int width, height, depth; - float levelBlend; - const uint face = 0; - - choose_mipmap_levels(tgsi_sampler, s, t, p, - lodbias, - &level0, &level1, &levelBlend, &imgFilter); - - assert(sampler->normalized_coords); - - width = texture->width[level0]; - height = texture->height[level0]; - depth = texture->depth[level0]; - - assert(width > 0); - 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]); - } - } - } - } - 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]); - } - } - } - } - break; - default: - assert(0); - } -} - - -static void -lp_get_samples_cube(struct tgsi_sampler *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); - } - lp_get_samples_2d_common(sampler, ssss, tttt, NULL, - lodbias, rgba, faces); -} - - -static void -lp_get_samples_rect(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 lp_shader_sampler *samp = lp_shader_sampler(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; - - choose_mipmap_levels(tgsi_sampler, s, t, p, - lodbias, - &level0, &level1, &levelBlend, &imgFilter); - - /* texture RECTS cannot be mipmapped */ - assert(level0 == level1); - - 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_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]); - } - } - } - break; - default: - assert(0); - } -} - - -/** - * Error condition handler - */ -static INLINE void -lp_get_samples_null(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]) -{ - int i,j; - - for (i = 0; i < 4; i++) - for (j = 0; j < 4; j++) - rgba[i][j] = 1.0; -} - -/** - * Called via tgsi_sampler::get_samples() when using a sampler for the - * first time. Determine the actual sampler function, link it in and - * call it. - */ -void -lp_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]) -{ - struct lp_shader_sampler *samp = lp_shader_sampler(tgsi_sampler); - const struct pipe_texture *texture = samp->texture; - const struct pipe_sampler_state *sampler = samp->sampler; - - /* Default to the 'undefined' case: - */ - tgsi_sampler->get_samples = lp_get_samples_null; - - if (!texture) { - assert(0); /* is this legal?? */ - goto out; - } - - if (!sampler->normalized_coords) { - assert (texture->target == PIPE_TEXTURE_2D); - tgsi_sampler->get_samples = lp_get_samples_rect; - goto out; - } - - switch (texture->target) { - case PIPE_TEXTURE_1D: - tgsi_sampler->get_samples = lp_get_samples_1d; - break; - case PIPE_TEXTURE_2D: - tgsi_sampler->get_samples = lp_get_samples_2d; - break; - case PIPE_TEXTURE_3D: - tgsi_sampler->get_samples = lp_get_samples_3d; - break; - case PIPE_TEXTURE_CUBE: - tgsi_sampler->get_samples = lp_get_samples_cube; - break; - default: - assert(0); - break; - } - - /* Do this elsewhere: - */ - samp->xpot = util_unsigned_logbase2( samp->texture->width[0] ); - samp->ypot = util_unsigned_logbase2( samp->texture->height[0] ); - - /* 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) - { - 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) { - case PIPE_TEX_FILTER_NEAREST: - tgsi_sampler->get_samples = lp_get_samples_2d_nearest_repeat_POT; - break; - case PIPE_TEX_FILTER_LINEAR: - tgsi_sampler->get_samples = lp_get_samples_2d_linear_repeat_POT; - break; - default: - break; - } - } - else if (sampler->wrap_s == PIPE_TEX_WRAP_CLAMP) { - switch (sampler->min_img_filter) { - case PIPE_TEX_FILTER_NEAREST: - tgsi_sampler->get_samples = lp_get_samples_2d_nearest_clamp_POT; - break; - 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: - tgsi_sampler->get_samples = lp_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); - } - -out: - tgsi_sampler->get_samples( tgsi_sampler, s, t, p, lodbias, rgba ); -} - - -void PIPE_CDECL -lp_fetch_texel_soa( struct tgsi_sampler **samplers, - uint32_t unit, - float *store ) -{ - struct tgsi_sampler *sampler = samplers[unit]; - -#if 0 - uint j; - - debug_printf("%s sampler: %p (%p) store: %p\n", - __FUNCTION__, - sampler, *sampler, - store ); - - debug_printf("lodbias %f\n", store[12]); - - for (j = 0; j < 4; j++) - debug_printf("sample %d texcoord %f %f\n", - j, - store[0+j], - store[4+j]); -#endif - - { - float rgba[NUM_CHANNELS][QUAD_SIZE]; - sampler->get_samples(sampler, - &store[0], - &store[4], - &store[8], - 0.0f, /*store[12], lodbias */ - rgba); - memcpy(store, rgba, sizeof rgba); - } - -#if 0 - for (j = 0; j < 4; j++) - debug_printf("sample %d result %f %f %f %f\n", - j, - store[0+j], - store[4+j], - store[8+j], - store[12+j]); -#endif -} - - -#include "lp_bld_type.h" -#include "lp_bld_intr.h" -#include "lp_bld_tgsi.h" - - -struct lp_c_sampler_soa -{ - struct lp_build_sampler_soa base; - - LLVMValueRef context_ptr; - - LLVMValueRef samplers_ptr; - - /** Coords/texels store */ - LLVMValueRef store_ptr; -}; - - -static void -lp_c_sampler_soa_destroy(struct lp_build_sampler_soa *sampler) -{ - FREE(sampler); -} - - -static void -lp_c_sampler_soa_emit_fetch_texel(struct lp_build_sampler_soa *_sampler, - LLVMBuilderRef builder, - struct lp_type type, - unsigned unit, - unsigned num_coords, - const LLVMValueRef *coords, - LLVMValueRef lodbias, - LLVMValueRef *texel) -{ - struct lp_c_sampler_soa *sampler = (struct lp_c_sampler_soa *)_sampler; - LLVMTypeRef vec_type = LLVMTypeOf(coords[0]); - LLVMValueRef args[3]; - unsigned i; - - if(!sampler->samplers_ptr) - sampler->samplers_ptr = lp_jit_context_samplers(builder, sampler->context_ptr); - - if(!sampler->store_ptr) - sampler->store_ptr = LLVMBuildArrayAlloca(builder, - vec_type, - LLVMConstInt(LLVMInt32Type(), 4, 0), - "texel_store"); - - for (i = 0; i < num_coords; i++) { - LLVMValueRef index = LLVMConstInt(LLVMInt32Type(), i, 0); - LLVMValueRef coord_ptr = LLVMBuildGEP(builder, sampler->store_ptr, &index, 1, ""); - LLVMBuildStore(builder, coords[i], coord_ptr); - } - - args[0] = sampler->samplers_ptr; - args[1] = LLVMConstInt(LLVMInt32Type(), unit, 0); - args[2] = sampler->store_ptr; - - lp_build_intrinsic(builder, "fetch_texel", LLVMVoidType(), args, 3); - - for (i = 0; i < NUM_CHANNELS; ++i) { - LLVMValueRef index = LLVMConstInt(LLVMInt32Type(), i, 0); - LLVMValueRef texel_ptr = LLVMBuildGEP(builder, sampler->store_ptr, &index, 1, ""); - texel[i] = LLVMBuildLoad(builder, texel_ptr, ""); - } -} - - -struct lp_build_sampler_soa * -lp_c_sampler_soa_create(LLVMValueRef context_ptr) -{ - struct lp_c_sampler_soa *sampler; - - sampler = CALLOC_STRUCT(lp_c_sampler_soa); - if(!sampler) - return NULL; - - sampler->base.destroy = lp_c_sampler_soa_destroy; - sampler->base.emit_fetch_texel = lp_c_sampler_soa_emit_fetch_texel; - sampler->context_ptr = context_ptr; - - return &sampler->base; -} - diff --git a/src/gallium/drivers/llvmpipe/lp_texture.c b/src/gallium/drivers/llvmpipe/lp_texture.c index 08f0950d47..1682e37354 100644 --- a/src/gallium/drivers/llvmpipe/lp_texture.c +++ b/src/gallium/drivers/llvmpipe/lp_texture.c @@ -40,7 +40,6 @@ #include "lp_context.h" #include "lp_state.h" #include "lp_texture.h" -#include "lp_tex_cache.h" #include "lp_screen.h" #include "lp_winsys.h" @@ -241,7 +240,7 @@ llvmpipe_get_tex_surface(struct pipe_screen *screen, if (ps->usage & (PIPE_BUFFER_USAGE_CPU_WRITE | PIPE_BUFFER_USAGE_GPU_WRITE)) { - /* Mark the surface as dirty. The tile cache will look for this. */ + /* Mark the surface as dirty. */ lpt->timestamp++; llvmpipe_screen(screen)->timestamp++; } @@ -368,7 +367,6 @@ llvmpipe_transfer_map( struct pipe_screen *_screen, if (transfer->texture && (transfer->usage & PIPE_TRANSFER_WRITE)) { /* Do something to notify sharing contexts of a texture change. - * In llvmpipe, that would mean flushing the texture cache. */ screen->timestamp++; } |