/************************************************************************** * * 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. * **************************************************************************/ /* Author: * Keith Whitwell <keith@tungstengraphics.com> */ #include "draw/draw_context.h" #include "draw/draw_vbuf.h" #include "pipe/p_defines.h" #include "util/u_inlines.h" #include "util/u_math.h" #include "util/u_memory.h" #include "util/u_simple_list.h" #include "lp_clear.h" #include "lp_context.h" #include "lp_flush.h" #include "lp_perf.h" #include "lp_state.h" #include "lp_surface.h" #include "lp_query.h" #include "lp_setup.h" DEBUG_GET_ONCE_BOOL_OPTION(lp_no_rast, "LP_NO_RAST", FALSE) /** shared by all contexts */ unsigned llvmpipe_variant_count; /** * This function is called by the gallivm "garbage collector" when * the LLVM global data structures are freed. We must free all LLVM-related * data. Specifically, all JIT'd shader variants. */ static void garbage_collect_callback(void *cb_data) { struct llvmpipe_context *lp = (struct llvmpipe_context *) cb_data; struct lp_fs_variant_list_item *li; /* Free all the context's shader variants */ li = first_elem(&lp->fs_variants_list); while (!at_end(&lp->fs_variants_list, li)) { struct lp_fs_variant_list_item *next = next_elem(li); llvmpipe_remove_shader_variant(lp, li->base); li = next; } /* Free all the context's primitive setup variants */ lp_delete_setup_variants(lp); /* release references to setup variants, shaders */ lp_setup_set_setup_variant(lp->setup, NULL); lp_setup_set_fs_variant(lp->setup, NULL); lp_setup_reset(lp->setup); /* This type will be recreated upon demand */ lp->jit_context_ptr_type = NULL; /* mark all state as dirty to ensure new shaders are jit'd, etc. */ lp->dirty = ~0; } static void llvmpipe_destroy( struct pipe_context *pipe ) { struct llvmpipe_context *llvmpipe = llvmpipe_context( pipe ); uint i, j; lp_print_counters(); gallivm_remove_garbage_collector_callback(garbage_collect_callback, llvmpipe); /* This will also destroy llvmpipe->setup: */ if (llvmpipe->draw) draw_destroy( llvmpipe->draw ); for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) { pipe_surface_reference(&llvmpipe->framebuffer.cbufs[i], NULL); } pipe_surface_reference(&llvmpipe->framebuffer.zsbuf, NULL); for (i = 0; i < PIPE_MAX_SAMPLERS; i++) { pipe_sampler_view_reference(&llvmpipe->fragment_sampler_views[i], NULL); } for (i = 0; i < PIPE_MAX_VERTEX_SAMPLERS; i++) { pipe_sampler_view_reference(&llvmpipe->vertex_sampler_views[i], NULL); } for (i = 0; i < Elements(llvmpipe->constants); i++) { for (j = 0; j < Elements(llvmpipe->constants[i]); j++) { pipe_resource_reference(&llvmpipe->constants[i][j], NULL); } } for (i = 0; i < llvmpipe->num_vertex_buffers; i++) { pipe_resource_reference(&llvmpipe->vertex_buffer[i].buffer, NULL); } gallivm_destroy(llvmpipe->gallivm); align_free( llvmpipe ); } static void do_flush( struct pipe_context *pipe, unsigned flags, struct pipe_fence_handle **fence) { llvmpipe_flush(pipe, flags, fence, __FUNCTION__); } struct pipe_context * llvmpipe_create_context( struct pipe_screen *screen, void *priv ) { struct llvmpipe_context *llvmpipe; llvmpipe = align_malloc(sizeof(struct llvmpipe_context), 16); if (!llvmpipe) return NULL; util_init_math(); memset(llvmpipe, 0, sizeof *llvmpipe); make_empty_list(&llvmpipe->fs_variants_list); make_empty_list(&llvmpipe->setup_variants_list); llvmpipe->pipe.winsys = screen->winsys; llvmpipe->pipe.screen = screen; llvmpipe->pipe.priv = priv; /* Init the pipe context methods */ llvmpipe->pipe.destroy = llvmpipe_destroy; llvmpipe->pipe.set_framebuffer_state = llvmpipe_set_framebuffer_state; llvmpipe->pipe.clear = llvmpipe_clear; llvmpipe->pipe.flush = do_flush; llvmpipe_init_blend_funcs(llvmpipe); llvmpipe_init_clip_funcs(llvmpipe); llvmpipe_init_draw_funcs(llvmpipe); llvmpipe_init_sampler_funcs(llvmpipe); llvmpipe_init_query_funcs( llvmpipe ); llvmpipe_init_vertex_funcs(llvmpipe); llvmpipe_init_so_funcs(llvmpipe); llvmpipe_init_fs_funcs(llvmpipe); llvmpipe_init_vs_funcs(llvmpipe); llvmpipe_init_gs_funcs(llvmpipe); llvmpipe_init_rasterizer_funcs(llvmpipe); llvmpipe_init_context_resource_funcs( &llvmpipe->pipe ); llvmpipe_init_surface_functions(llvmpipe); llvmpipe->gallivm = gallivm_create(); /* * Create drawing context and plug our rendering stage into it. */ llvmpipe->draw = draw_create_gallivm(&llvmpipe->pipe, llvmpipe->gallivm); if (!llvmpipe->draw) goto fail; /* FIXME: devise alternative to draw_texture_samplers */ if (debug_get_option_lp_no_rast()) llvmpipe->no_rast = TRUE; llvmpipe->setup = lp_setup_create( &llvmpipe->pipe, llvmpipe->draw ); if (!llvmpipe->setup) goto fail; /* plug in AA line/point stages */ draw_install_aaline_stage(llvmpipe->draw, &llvmpipe->pipe); draw_install_aapoint_stage(llvmpipe->draw, &llvmpipe->pipe); draw_install_pstipple_stage(llvmpipe->draw, &llvmpipe->pipe); /* convert points and lines into triangles: * (otherwise, draw points and lines natively) */ draw_wide_point_sprites(llvmpipe->draw, FALSE); draw_enable_point_sprites(llvmpipe->draw, FALSE); draw_wide_point_threshold(llvmpipe->draw, 10000.0); draw_wide_line_threshold(llvmpipe->draw, 10000.0); #if USE_DRAW_STAGE_PSTIPPLE /* Do polygon stipple w/ texture map + frag prog? */ draw_install_pstipple_stage(llvmpipe->draw, &llvmpipe->pipe); #endif lp_reset_counters(); gallivm_register_garbage_collector_callback(garbage_collect_callback, llvmpipe); return &llvmpipe->pipe; fail: llvmpipe_destroy(&llvmpipe->pipe); return NULL; }