1 /************************************************************************** 2 * 3 * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. 4 * All Rights Reserved. 5 * Copyright 2008 VMware, Inc. All rights reserved. 6 * 7 * Permission is hereby granted, free of charge, to any person obtaining a 8 * copy of this software and associated documentation files (the 9 * "Software"), to deal in the Software without restriction, including 10 * without limitation the rights to use, copy, modify, merge, publish, 11 * distribute, sub license, and/or sell copies of the Software, and to 12 * permit persons to whom the Software is furnished to do so, subject to 13 * the following conditions: 14 * 15 * The above copyright notice and this permission notice (including the 16 * next paragraph) shall be included in all copies or substantial portions 17 * of the Software. 18 * 19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 20 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 21 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. 22 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR 23 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 24 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 25 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 26 * 27 **************************************************************************/ 28 29 /* Author: 30 * Keith Whitwell <keith (at) tungstengraphics.com> 31 */ 32 33 #include "draw/draw_context.h" 34 #include "draw/draw_vbuf.h" 35 #include "pipe/p_defines.h" 36 #include "util/u_inlines.h" 37 #include "util/u_math.h" 38 #include "util/u_memory.h" 39 #include "util/u_simple_list.h" 40 #include "lp_clear.h" 41 #include "lp_context.h" 42 #include "lp_flush.h" 43 #include "lp_perf.h" 44 #include "lp_state.h" 45 #include "lp_surface.h" 46 #include "lp_query.h" 47 #include "lp_setup.h" 48 49 50 /** shared by all contexts */ 51 unsigned llvmpipe_variant_count; 52 53 54 static void llvmpipe_destroy( struct pipe_context *pipe ) 55 { 56 struct llvmpipe_context *llvmpipe = llvmpipe_context( pipe ); 57 uint i, j; 58 59 lp_print_counters(); 60 61 /* This will also destroy llvmpipe->setup: 62 */ 63 if (llvmpipe->draw) 64 draw_destroy( llvmpipe->draw ); 65 66 for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) { 67 pipe_surface_reference(&llvmpipe->framebuffer.cbufs[i], NULL); 68 } 69 70 pipe_surface_reference(&llvmpipe->framebuffer.zsbuf, NULL); 71 72 for (i = 0; i < Elements(llvmpipe->sampler_views[0]); i++) { 73 pipe_sampler_view_reference(&llvmpipe->sampler_views[PIPE_SHADER_FRAGMENT][i], NULL); 74 } 75 76 for (i = 0; i < Elements(llvmpipe->sampler_views[0]); i++) { 77 pipe_sampler_view_reference(&llvmpipe->sampler_views[PIPE_SHADER_VERTEX][i], NULL); 78 } 79 80 for (i = 0; i < Elements(llvmpipe->constants); i++) { 81 for (j = 0; j < Elements(llvmpipe->constants[i]); j++) { 82 pipe_resource_reference(&llvmpipe->constants[i][j], NULL); 83 } 84 } 85 86 for (i = 0; i < llvmpipe->num_vertex_buffers; i++) { 87 pipe_resource_reference(&llvmpipe->vertex_buffer[i].buffer, NULL); 88 } 89 90 lp_delete_setup_variants(llvmpipe); 91 92 align_free( llvmpipe ); 93 } 94 95 static void 96 do_flush( struct pipe_context *pipe, 97 struct pipe_fence_handle **fence) 98 { 99 llvmpipe_flush(pipe, fence, __FUNCTION__); 100 } 101 102 103 static void 104 llvmpipe_render_condition ( struct pipe_context *pipe, 105 struct pipe_query *query, 106 uint mode ) 107 { 108 struct llvmpipe_context *llvmpipe = llvmpipe_context( pipe ); 109 110 llvmpipe->render_cond_query = query; 111 llvmpipe->render_cond_mode = mode; 112 } 113 114 struct pipe_context * 115 llvmpipe_create_context( struct pipe_screen *screen, void *priv ) 116 { 117 struct llvmpipe_context *llvmpipe; 118 119 llvmpipe = align_malloc(sizeof(struct llvmpipe_context), 16); 120 if (!llvmpipe) 121 return NULL; 122 123 util_init_math(); 124 125 memset(llvmpipe, 0, sizeof *llvmpipe); 126 127 make_empty_list(&llvmpipe->fs_variants_list); 128 129 make_empty_list(&llvmpipe->setup_variants_list); 130 131 132 llvmpipe->pipe.screen = screen; 133 llvmpipe->pipe.priv = priv; 134 135 /* Init the pipe context methods */ 136 llvmpipe->pipe.destroy = llvmpipe_destroy; 137 llvmpipe->pipe.set_framebuffer_state = llvmpipe_set_framebuffer_state; 138 llvmpipe->pipe.clear = llvmpipe_clear; 139 llvmpipe->pipe.flush = do_flush; 140 141 llvmpipe->pipe.render_condition = llvmpipe_render_condition; 142 143 llvmpipe_init_blend_funcs(llvmpipe); 144 llvmpipe_init_clip_funcs(llvmpipe); 145 llvmpipe_init_draw_funcs(llvmpipe); 146 llvmpipe_init_sampler_funcs(llvmpipe); 147 llvmpipe_init_query_funcs( llvmpipe ); 148 llvmpipe_init_vertex_funcs(llvmpipe); 149 llvmpipe_init_so_funcs(llvmpipe); 150 llvmpipe_init_fs_funcs(llvmpipe); 151 llvmpipe_init_vs_funcs(llvmpipe); 152 llvmpipe_init_gs_funcs(llvmpipe); 153 llvmpipe_init_rasterizer_funcs(llvmpipe); 154 llvmpipe_init_context_resource_funcs( &llvmpipe->pipe ); 155 llvmpipe_init_surface_functions(llvmpipe); 156 157 /* 158 * Create drawing context and plug our rendering stage into it. 159 */ 160 llvmpipe->draw = draw_create(&llvmpipe->pipe); 161 if (!llvmpipe->draw) 162 goto fail; 163 164 /* FIXME: devise alternative to draw_texture_samplers */ 165 166 llvmpipe->setup = lp_setup_create( &llvmpipe->pipe, 167 llvmpipe->draw ); 168 if (!llvmpipe->setup) 169 goto fail; 170 171 /* plug in AA line/point stages */ 172 draw_install_aaline_stage(llvmpipe->draw, &llvmpipe->pipe); 173 draw_install_aapoint_stage(llvmpipe->draw, &llvmpipe->pipe); 174 draw_install_pstipple_stage(llvmpipe->draw, &llvmpipe->pipe); 175 176 /* convert points and lines into triangles: 177 * (otherwise, draw points and lines natively) 178 */ 179 draw_wide_point_sprites(llvmpipe->draw, FALSE); 180 draw_enable_point_sprites(llvmpipe->draw, FALSE); 181 draw_wide_point_threshold(llvmpipe->draw, 10000.0); 182 draw_wide_line_threshold(llvmpipe->draw, 10000.0); 183 184 lp_reset_counters(); 185 186 return &llvmpipe->pipe; 187 188 fail: 189 llvmpipe_destroy(&llvmpipe->pipe); 190 return NULL; 191 } 192 193
