| /************************************************************************** |
| * |
| * 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. |
| * |
| **************************************************************************/ |
| |
| /* |
| * Authors: |
| * Keith Whitwell <keith@tungstengraphics.com> |
| * Brian Paul |
| */ |
| |
| #include "util/u_math.h" |
| #include "util/u_memory.h" |
| |
| #include "pipe/p_shader_tokens.h" |
| |
| #include "draw_private.h" |
| #include "draw_context.h" |
| #include "draw_vs.h" |
| |
| #include "translate/translate.h" |
| #include "translate/translate_cache.h" |
| |
| #include "tgsi/tgsi_exec.h" |
| |
| |
| |
| |
| void draw_vs_set_constants( struct draw_context *draw, |
| const float (*constants)[4], |
| unsigned size ) |
| { |
| if (((uintptr_t)constants) & 0xf) { |
| if (size > draw->vs.const_storage_size) { |
| if (draw->vs.aligned_constant_storage) |
| align_free((void *)draw->vs.aligned_constant_storage); |
| draw->vs.aligned_constant_storage = align_malloc( size, 16 ); |
| } |
| memcpy( (void*)draw->vs.aligned_constant_storage, |
| constants, |
| size ); |
| constants = draw->vs.aligned_constant_storage; |
| } |
| |
| draw->vs.aligned_constants = constants; |
| draw_vs_aos_machine_constants( draw->vs.aos_machine, constants ); |
| } |
| |
| |
| void draw_vs_set_viewport( struct draw_context *draw, |
| const struct pipe_viewport_state *viewport ) |
| { |
| draw_vs_aos_machine_viewport( draw->vs.aos_machine, viewport ); |
| } |
| |
| |
| |
| struct draw_vertex_shader * |
| draw_create_vertex_shader(struct draw_context *draw, |
| const struct pipe_shader_state *shader) |
| { |
| struct draw_vertex_shader *vs; |
| |
| vs = draw_create_vs_llvm( draw, shader ); |
| if (!vs) { |
| vs = draw_create_vs_sse( draw, shader ); |
| if (!vs) { |
| vs = draw_create_vs_ppc( draw, shader ); |
| if (!vs) { |
| vs = draw_create_vs_exec( draw, shader ); |
| } |
| } |
| } |
| |
| if (vs) |
| { |
| uint i; |
| for (i = 0; i < vs->info.num_outputs; i++) { |
| if (vs->info.output_semantic_name[i] == TGSI_SEMANTIC_POSITION && |
| vs->info.output_semantic_index[i] == 0) |
| vs->position_output = i; |
| } |
| } |
| |
| assert(vs); |
| return vs; |
| } |
| |
| |
| void |
| draw_bind_vertex_shader(struct draw_context *draw, |
| struct draw_vertex_shader *dvs) |
| { |
| draw_do_flush( draw, DRAW_FLUSH_STATE_CHANGE ); |
| |
| if (dvs) |
| { |
| draw->vs.vertex_shader = dvs; |
| draw->vs.num_vs_outputs = dvs->info.num_outputs; |
| draw->vs.position_output = dvs->position_output; |
| dvs->prepare( dvs, draw ); |
| } |
| else { |
| draw->vs.vertex_shader = NULL; |
| draw->vs.num_vs_outputs = 0; |
| } |
| } |
| |
| |
| void |
| draw_delete_vertex_shader(struct draw_context *draw, |
| struct draw_vertex_shader *dvs) |
| { |
| unsigned i; |
| |
| for (i = 0; i < dvs->nr_varients; i++) |
| dvs->varient[i]->destroy( dvs->varient[i] ); |
| |
| dvs->nr_varients = 0; |
| |
| dvs->delete( dvs ); |
| } |
| |
| |
| |
| boolean |
| draw_vs_init( struct draw_context *draw ) |
| { |
| draw->vs.machine = tgsi_exec_machine_create(); |
| if (!draw->vs.machine) |
| return FALSE; |
| |
| draw->vs.emit_cache = translate_cache_create(); |
| if (!draw->vs.emit_cache) |
| return FALSE; |
| |
| draw->vs.fetch_cache = translate_cache_create(); |
| if (!draw->vs.fetch_cache) |
| return FALSE; |
| |
| draw->vs.aos_machine = draw_vs_aos_machine(); |
| #ifdef PIPE_ARCH_X86 |
| if (!draw->vs.aos_machine) |
| return FALSE; |
| #endif |
| |
| return TRUE; |
| } |
| |
| void |
| draw_vs_destroy( struct draw_context *draw ) |
| { |
| if (draw->vs.fetch_cache) |
| translate_cache_destroy(draw->vs.fetch_cache); |
| |
| if (draw->vs.emit_cache) |
| translate_cache_destroy(draw->vs.emit_cache); |
| |
| if (draw->vs.aos_machine) |
| draw_vs_aos_machine_destroy(draw->vs.aos_machine); |
| |
| if (draw->vs.aligned_constant_storage) |
| align_free((void*)draw->vs.aligned_constant_storage); |
| |
| tgsi_exec_machine_destroy(draw->vs.machine); |
| } |
| |
| |
| struct draw_vs_varient * |
| draw_vs_lookup_varient( struct draw_vertex_shader *vs, |
| const struct draw_vs_varient_key *key ) |
| { |
| struct draw_vs_varient *varient; |
| unsigned i; |
| |
| /* Lookup existing varient: |
| */ |
| for (i = 0; i < vs->nr_varients; i++) |
| if (draw_vs_varient_key_compare(key, &vs->varient[i]->key) == 0) |
| return vs->varient[i]; |
| |
| /* Else have to create a new one: |
| */ |
| varient = vs->create_varient( vs, key ); |
| if (varient == NULL) |
| return NULL; |
| |
| /* Add it to our list, could be smarter: |
| */ |
| if (vs->nr_varients < Elements(vs->varient)) { |
| vs->varient[vs->nr_varients++] = varient; |
| } |
| else { |
| vs->last_varient++; |
| vs->last_varient %= Elements(vs->varient); |
| vs->varient[vs->last_varient]->destroy(vs->varient[vs->last_varient]); |
| vs->varient[vs->last_varient] = varient; |
| } |
| |
| /* Done |
| */ |
| return varient; |
| } |
| |
| |
| struct translate * |
| draw_vs_get_fetch( struct draw_context *draw, |
| struct translate_key *key ) |
| { |
| if (!draw->vs.fetch || |
| translate_key_compare(&draw->vs.fetch->key, key) != 0) |
| { |
| translate_key_sanitize(key); |
| draw->vs.fetch = translate_cache_find(draw->vs.fetch_cache, key); |
| } |
| |
| return draw->vs.fetch; |
| } |
| |
| struct translate * |
| draw_vs_get_emit( struct draw_context *draw, |
| struct translate_key *key ) |
| { |
| if (!draw->vs.emit || |
| translate_key_compare(&draw->vs.emit->key, key) != 0) |
| { |
| translate_key_sanitize(key); |
| draw->vs.emit = translate_cache_find(draw->vs.emit_cache, key); |
| } |
| |
| return draw->vs.emit; |
| } |