1 /************************************************************************** 2 * 3 * Copyright 2007 VMware, Inc. 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 VMWARE 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 <keithw (at) vmware.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/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 /* This is only safe if there's just one concurrent context */ 50 #ifdef PIPE_SUBSYSTEM_EMBEDDED 51 #define USE_GLOBAL_LLVM_CONTEXT 52 #endif 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 if (llvmpipe->blitter) { 62 util_blitter_destroy(llvmpipe->blitter); 63 } 64 65 /* This will also destroy llvmpipe->setup: 66 */ 67 if (llvmpipe->draw) 68 draw_destroy( llvmpipe->draw ); 69 70 for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) { 71 pipe_surface_reference(&llvmpipe->framebuffer.cbufs[i], NULL); 72 } 73 74 pipe_surface_reference(&llvmpipe->framebuffer.zsbuf, NULL); 75 76 for (i = 0; i < ARRAY_SIZE(llvmpipe->sampler_views[0]); i++) { 77 pipe_sampler_view_reference(&llvmpipe->sampler_views[PIPE_SHADER_FRAGMENT][i], NULL); 78 } 79 80 for (i = 0; i < ARRAY_SIZE(llvmpipe->sampler_views[0]); i++) { 81 pipe_sampler_view_reference(&llvmpipe->sampler_views[PIPE_SHADER_VERTEX][i], NULL); 82 } 83 84 for (i = 0; i < ARRAY_SIZE(llvmpipe->sampler_views[0]); i++) { 85 pipe_sampler_view_reference(&llvmpipe->sampler_views[PIPE_SHADER_GEOMETRY][i], NULL); 86 } 87 88 for (i = 0; i < ARRAY_SIZE(llvmpipe->constants); i++) { 89 for (j = 0; j < ARRAY_SIZE(llvmpipe->constants[i]); j++) { 90 pipe_resource_reference(&llvmpipe->constants[i][j].buffer, NULL); 91 } 92 } 93 94 for (i = 0; i < llvmpipe->num_vertex_buffers; i++) { 95 pipe_resource_reference(&llvmpipe->vertex_buffer[i].buffer, NULL); 96 } 97 98 lp_delete_setup_variants(llvmpipe); 99 100 #ifndef USE_GLOBAL_LLVM_CONTEXT 101 LLVMContextDispose(llvmpipe->context); 102 #endif 103 llvmpipe->context = NULL; 104 105 align_free( llvmpipe ); 106 } 107 108 static void 109 do_flush( struct pipe_context *pipe, 110 struct pipe_fence_handle **fence, 111 unsigned flags) 112 { 113 llvmpipe_flush(pipe, fence, __FUNCTION__); 114 } 115 116 117 static void 118 llvmpipe_render_condition ( struct pipe_context *pipe, 119 struct pipe_query *query, 120 boolean condition, 121 uint mode ) 122 { 123 struct llvmpipe_context *llvmpipe = llvmpipe_context( pipe ); 124 125 llvmpipe->render_cond_query = query; 126 llvmpipe->render_cond_mode = mode; 127 llvmpipe->render_cond_cond = condition; 128 } 129 130 struct pipe_context * 131 llvmpipe_create_context(struct pipe_screen *screen, void *priv, 132 unsigned flags) 133 { 134 struct llvmpipe_context *llvmpipe; 135 136 llvmpipe = align_malloc(sizeof(struct llvmpipe_context), 16); 137 if (!llvmpipe) 138 return NULL; 139 140 util_init_math(); 141 142 memset(llvmpipe, 0, sizeof *llvmpipe); 143 144 make_empty_list(&llvmpipe->fs_variants_list); 145 146 make_empty_list(&llvmpipe->setup_variants_list); 147 148 149 llvmpipe->pipe.screen = screen; 150 llvmpipe->pipe.priv = priv; 151 152 /* Init the pipe context methods */ 153 llvmpipe->pipe.destroy = llvmpipe_destroy; 154 llvmpipe->pipe.set_framebuffer_state = llvmpipe_set_framebuffer_state; 155 llvmpipe->pipe.clear = llvmpipe_clear; 156 llvmpipe->pipe.flush = do_flush; 157 158 llvmpipe->pipe.render_condition = llvmpipe_render_condition; 159 160 llvmpipe_init_blend_funcs(llvmpipe); 161 llvmpipe_init_clip_funcs(llvmpipe); 162 llvmpipe_init_draw_funcs(llvmpipe); 163 llvmpipe_init_sampler_funcs(llvmpipe); 164 llvmpipe_init_query_funcs( llvmpipe ); 165 llvmpipe_init_vertex_funcs(llvmpipe); 166 llvmpipe_init_so_funcs(llvmpipe); 167 llvmpipe_init_fs_funcs(llvmpipe); 168 llvmpipe_init_vs_funcs(llvmpipe); 169 llvmpipe_init_gs_funcs(llvmpipe); 170 llvmpipe_init_rasterizer_funcs(llvmpipe); 171 llvmpipe_init_context_resource_funcs( &llvmpipe->pipe ); 172 llvmpipe_init_surface_functions(llvmpipe); 173 174 #ifdef USE_GLOBAL_LLVM_CONTEXT 175 llvmpipe->context = LLVMGetGlobalContext(); 176 #else 177 llvmpipe->context = LLVMContextCreate(); 178 #endif 179 180 if (!llvmpipe->context) 181 goto fail; 182 183 /* 184 * Create drawing context and plug our rendering stage into it. 185 */ 186 llvmpipe->draw = draw_create_with_llvm_context(&llvmpipe->pipe, 187 llvmpipe->context); 188 if (!llvmpipe->draw) 189 goto fail; 190 191 /* FIXME: devise alternative to draw_texture_samplers */ 192 193 llvmpipe->setup = lp_setup_create( &llvmpipe->pipe, 194 llvmpipe->draw ); 195 if (!llvmpipe->setup) 196 goto fail; 197 198 llvmpipe->blitter = util_blitter_create(&llvmpipe->pipe); 199 if (!llvmpipe->blitter) { 200 goto fail; 201 } 202 203 /* must be done before installing Draw stages */ 204 util_blitter_cache_all_shaders(llvmpipe->blitter); 205 206 /* plug in AA line/point stages */ 207 draw_install_aaline_stage(llvmpipe->draw, &llvmpipe->pipe); 208 draw_install_aapoint_stage(llvmpipe->draw, &llvmpipe->pipe); 209 draw_install_pstipple_stage(llvmpipe->draw, &llvmpipe->pipe); 210 211 /* convert points and lines into triangles: 212 * (otherwise, draw points and lines natively) 213 */ 214 draw_wide_point_sprites(llvmpipe->draw, FALSE); 215 draw_enable_point_sprites(llvmpipe->draw, FALSE); 216 draw_wide_point_threshold(llvmpipe->draw, 10000.0); 217 draw_wide_line_threshold(llvmpipe->draw, 10000.0); 218 219 lp_reset_counters(); 220 221 return &llvmpipe->pipe; 222 223 fail: 224 llvmpipe_destroy(&llvmpipe->pipe); 225 return NULL; 226 } 227 228
