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_scene.h" 41 #include "lp_bld_interp.h" /* for struct lp_shader_input */ 42 43 #include "draw/draw_vbuf.h" 44 #include "util/u_rect.h" 45 #include "util/u_pack_color.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 #define LP_SETUP_NEW_VIEWPORTS 0x10 52 53 54 struct lp_setup_variant; 55 56 57 /** Max number of scenes */ 58 /* XXX: make multiple scenes per context work, see lp_setup_rasterize_scene */ 59 #define MAX_SCENES 1 60 61 62 63 /** 64 * Point/line/triangle setup context. 65 * Note: "stored" below indicates data which is stored in the bins, 66 * not arbitrary malloc'd memory. 67 * 68 * 69 * Subclass of vbuf_render, plugged directly into the draw module as 70 * the rendering backend. 71 */ 72 struct lp_setup_context 73 { 74 struct vbuf_render base; 75 76 struct pipe_context *pipe; 77 struct vertex_info *vertex_info; 78 uint prim; 79 uint vertex_size; 80 uint nr_vertices; 81 uint sprite_coord_enable, sprite_coord_origin; 82 uint vertex_buffer_size; 83 void *vertex_buffer; 84 85 /* Final pipeline stage for draw module. Draw module should 86 * create/install this itself now. 87 */ 88 struct draw_stage *vbuf; 89 unsigned num_threads; 90 unsigned scene_idx; 91 struct lp_scene *scenes[MAX_SCENES]; /**< all the scenes */ 92 struct lp_scene *scene; /**< current scene being built */ 93 94 struct lp_fence *last_fence; 95 struct llvmpipe_query *active_queries[LP_MAX_ACTIVE_BINNED_QUERIES]; 96 unsigned active_binned_queries; 97 98 boolean flatshade_first; 99 boolean ccw_is_frontface; 100 boolean scissor_test; 101 boolean point_size_per_vertex; 102 boolean rasterizer_discard; 103 unsigned cullmode; 104 unsigned bottom_edge_rule; 105 float pixel_offset; 106 float line_width; 107 float point_size; 108 int8_t psize_slot; 109 int8_t viewport_index_slot; 110 int8_t layer_slot; 111 int8_t face_slot; 112 113 struct pipe_framebuffer_state fb; 114 struct u_rect framebuffer; 115 struct u_rect scissors[PIPE_MAX_VIEWPORTS]; 116 struct u_rect draw_regions[PIPE_MAX_VIEWPORTS]; /* intersection of fb & scissor */ 117 struct lp_jit_viewport viewports[PIPE_MAX_VIEWPORTS]; 118 119 struct { 120 unsigned flags; 121 union util_color color_val[PIPE_MAX_COLOR_BUFS]; 122 uint64_t zsmask; 123 uint64_t zsvalue; /**< lp_rast_clear_zstencil() cmd */ 124 } clear; 125 126 enum setup_state { 127 SETUP_FLUSHED, /**< scene is null */ 128 SETUP_CLEARED, /**< scene exists but has only clears */ 129 SETUP_ACTIVE /**< scene exists and has at least one draw/query */ 130 } state; 131 132 struct { 133 const struct lp_rast_state *stored; /**< what's in the scene */ 134 struct lp_rast_state current; /**< currently set state */ 135 struct pipe_resource *current_tex[PIPE_MAX_SHADER_SAMPLER_VIEWS]; 136 unsigned current_tex_num; 137 } fs; 138 139 /** fragment shader constants */ 140 struct { 141 struct pipe_constant_buffer current; 142 unsigned stored_size; 143 const void *stored_data; 144 } constants[LP_MAX_TGSI_CONST_BUFFERS]; 145 146 struct { 147 struct pipe_blend_color current; 148 uint8_t *stored; 149 } blend_color; 150 151 152 struct { 153 const struct lp_setup_variant *variant; 154 } setup; 155 156 unsigned dirty; /**< bitmask of LP_SETUP_NEW_x bits */ 157 158 void (*point)( struct lp_setup_context *, 159 const float (*v0)[4]); 160 161 void (*line)( struct lp_setup_context *, 162 const float (*v0)[4], 163 const float (*v1)[4]); 164 165 void (*triangle)( struct lp_setup_context *, 166 const float (*v0)[4], 167 const float (*v1)[4], 168 const float (*v2)[4]); 169 }; 170 171 static inline void 172 scissor_planes_needed(boolean scis_planes[4], const struct u_rect *bbox, 173 const struct u_rect *scissor) 174 { 175 /* left */ 176 scis_planes[0] = (bbox->x0 < scissor->x0); 177 /* right */ 178 scis_planes[1] = (bbox->x1 > scissor->x1); 179 /* top */ 180 scis_planes[2] = (bbox->y0 < scissor->y0); 181 /* bottom */ 182 scis_planes[3] = (bbox->y1 > scissor->y1); 183 } 184 185 186 void lp_setup_choose_triangle( struct lp_setup_context *setup ); 187 void lp_setup_choose_line( struct lp_setup_context *setup ); 188 void lp_setup_choose_point( struct lp_setup_context *setup ); 189 190 void lp_setup_init_vbuf(struct lp_setup_context *setup); 191 192 boolean lp_setup_update_state( struct lp_setup_context *setup, 193 boolean update_scene); 194 195 void lp_setup_destroy( struct lp_setup_context *setup ); 196 197 boolean lp_setup_flush_and_restart(struct lp_setup_context *setup); 198 199 void 200 lp_setup_print_triangle(struct lp_setup_context *setup, 201 const float (*v0)[4], 202 const float (*v1)[4], 203 const float (*v2)[4]); 204 205 void 206 lp_setup_print_vertex(struct lp_setup_context *setup, 207 const char *name, 208 const float (*v)[4]); 209 210 211 struct lp_rast_triangle * 212 lp_setup_alloc_triangle(struct lp_scene *scene, 213 unsigned num_inputs, 214 unsigned nr_planes, 215 unsigned *tri_size); 216 217 boolean 218 lp_setup_bin_triangle(struct lp_setup_context *setup, 219 struct lp_rast_triangle *tri, 220 const struct u_rect *bboxorig, 221 const struct u_rect *bbox, 222 int nr_planes, 223 unsigned scissor_index); 224 225 #endif 226
