1 /************************************************************************** 2 * 3 * Copyright 2007-2009 VMware, Inc. 4 * All Rights Reserved. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the 8 * "Software"), to deal in the Software without restriction, including 9 * without limitation the rights to use, copy, modify, merge, publish, 10 * distribute, sub license, and/or sell copies of the Software, and to 11 * permit persons to whom the Software is furnished to do so, subject to 12 * the following conditions: 13 * 14 * The above copyright notice and this permission notice (including the 15 * next paragraph) shall be included in all copies or substantial portions 16 * of the Software. 17 * 18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. 21 * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR 22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 25 * 26 **************************************************************************/ 27 28 29 /** 30 * The setup code is concerned with point/line/triangle setup and 31 * putting commands/data into the bins. 32 */ 33 34 35 #ifndef LP_SETUP_CONTEXT_H 36 #define LP_SETUP_CONTEXT_H 37 38 #include "lp_setup.h" 39 #include "lp_rast.h" 40 #include "lp_tile_soa.h" /* for TILE_SIZE */ 41 #include "lp_scene.h" 42 #include "lp_bld_interp.h" /* for struct lp_shader_input */ 43 44 #include "draw/draw_vbuf.h" 45 #include "util/u_rect.h" 46 47 #define LP_SETUP_NEW_FS 0x01 48 #define LP_SETUP_NEW_CONSTANTS 0x02 49 #define LP_SETUP_NEW_BLEND_COLOR 0x04 50 #define LP_SETUP_NEW_SCISSOR 0x08 51 52 53 struct lp_setup_variant; 54 55 56 /** Max number of scenes */ 57 #define MAX_SCENES 2 58 59 60 61 /** 62 * Point/line/triangle setup context. 63 * Note: "stored" below indicates data which is stored in the bins, 64 * not arbitrary malloc'd memory. 65 * 66 * 67 * Subclass of vbuf_render, plugged directly into the draw module as 68 * the rendering backend. 69 */ 70 struct lp_setup_context 71 { 72 struct vbuf_render base; 73 74 struct pipe_context *pipe; 75 struct vertex_info *vertex_info; 76 uint prim; 77 uint vertex_size; 78 uint nr_vertices; 79 uint sprite_coord_enable, sprite_coord_origin; 80 uint vertex_buffer_size; 81 void *vertex_buffer; 82 83 /* Final pipeline stage for draw module. Draw module should 84 * create/install this itself now. 85 */ 86 struct draw_stage *vbuf; 87 unsigned num_threads; 88 unsigned scene_idx; 89 struct lp_scene *scenes[MAX_SCENES]; /**< all the scenes */ 90 struct lp_scene *scene; /**< current scene being built */ 91 92 struct lp_fence *last_fence; 93 struct llvmpipe_query *active_query; 94 95 boolean flatshade_first; 96 boolean ccw_is_frontface; 97 boolean scissor_test; 98 boolean point_size_per_vertex; 99 unsigned cullmode; 100 float pixel_offset; 101 float line_width; 102 float point_size; 103 float psize; 104 105 struct pipe_framebuffer_state fb; 106 struct u_rect framebuffer; 107 struct u_rect scissor; 108 struct u_rect draw_region; /* intersection of fb & scissor */ 109 110 struct { 111 unsigned flags; 112 union lp_rast_cmd_arg color; /**< lp_rast_clear_color() cmd */ 113 unsigned zsmask; 114 unsigned zsvalue; /**< lp_rast_clear_zstencil() cmd */ 115 } clear; 116 117 enum setup_state { 118 SETUP_FLUSHED, /**< scene is null */ 119 SETUP_CLEARED, /**< scene exists but has only clears */ 120 SETUP_ACTIVE /**< scene exists and has at least one draw/query */ 121 } state; 122 123 struct { 124 const struct lp_rast_state *stored; /**< what's in the scene */ 125 struct lp_rast_state current; /**< currently set state */ 126 struct pipe_resource *current_tex[PIPE_MAX_SAMPLERS]; 127 } fs; 128 129 /** fragment shader constants */ 130 struct { 131 struct pipe_resource *current; 132 unsigned stored_size; 133 const void *stored_data; 134 } constants; 135 136 struct { 137 struct pipe_blend_color current; 138 uint8_t *stored; 139 } blend_color; 140 141 142 struct { 143 const struct lp_setup_variant *variant; 144 } setup; 145 146 unsigned dirty; /**< bitmask of LP_SETUP_NEW_x bits */ 147 148 void (*point)( struct lp_setup_context *, 149 const float (*v0)[4]); 150 151 void (*line)( struct lp_setup_context *, 152 const float (*v0)[4], 153 const float (*v1)[4]); 154 155 void (*triangle)( struct lp_setup_context *, 156 const float (*v0)[4], 157 const float (*v1)[4], 158 const float (*v2)[4]); 159 }; 160 161 void lp_setup_choose_triangle( struct lp_setup_context *setup ); 162 void lp_setup_choose_line( struct lp_setup_context *setup ); 163 void lp_setup_choose_point( struct lp_setup_context *setup ); 164 165 void lp_setup_init_vbuf(struct lp_setup_context *setup); 166 167 boolean lp_setup_update_state( struct lp_setup_context *setup, 168 boolean update_scene); 169 170 void lp_setup_destroy( struct lp_setup_context *setup ); 171 172 boolean lp_setup_flush_and_restart(struct lp_setup_context *setup); 173 174 void 175 lp_setup_print_triangle(struct lp_setup_context *setup, 176 const float (*v0)[4], 177 const float (*v1)[4], 178 const float (*v2)[4]); 179 180 void 181 lp_setup_print_vertex(struct lp_setup_context *setup, 182 const char *name, 183 const float (*v)[4]); 184 185 186 struct lp_rast_triangle * 187 lp_setup_alloc_triangle(struct lp_scene *scene, 188 unsigned num_inputs, 189 unsigned nr_planes, 190 unsigned *tri_size); 191 192 boolean 193 lp_setup_bin_triangle( struct lp_setup_context *setup, 194 struct lp_rast_triangle *tri, 195 const struct u_rect *bbox, 196 int nr_planes ); 197 198 #endif 199