1 /************************************************************************** 2 * 3 * Copyright 2007 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 /* Authors: Keith Whitwell <keithw@vmware.com> 29 */ 30 31 #ifndef SP_STATE_H 32 #define SP_STATE_H 33 34 #include "pipe/p_state.h" 35 #include "tgsi/tgsi_scan.h" 36 37 38 #define SP_NEW_VIEWPORT 0x1 39 #define SP_NEW_RASTERIZER 0x2 40 #define SP_NEW_FS 0x4 41 #define SP_NEW_BLEND 0x8 42 #define SP_NEW_CLIP 0x10 43 #define SP_NEW_SCISSOR 0x20 44 #define SP_NEW_STIPPLE 0x40 45 #define SP_NEW_FRAMEBUFFER 0x80 46 #define SP_NEW_DEPTH_STENCIL_ALPHA 0x100 47 #define SP_NEW_CONSTANTS 0x200 48 #define SP_NEW_SAMPLER 0x400 49 #define SP_NEW_TEXTURE 0x800 50 #define SP_NEW_VERTEX 0x1000 51 #define SP_NEW_VS 0x2000 52 #define SP_NEW_QUERY 0x4000 53 #define SP_NEW_GS 0x8000 54 #define SP_NEW_SO 0x10000 55 #define SP_NEW_SO_BUFFERS 0x20000 56 57 58 struct tgsi_sampler; 59 struct tgsi_image; 60 struct tgsi_buffer; 61 struct tgsi_exec_machine; 62 struct vertex_info; 63 64 65 struct sp_fragment_shader_variant_key 66 { 67 boolean polygon_stipple; 68 }; 69 70 71 struct sp_fragment_shader_variant 72 { 73 const struct tgsi_token *tokens; 74 struct sp_fragment_shader_variant_key key; 75 struct tgsi_shader_info info; 76 77 unsigned stipple_sampler_unit; 78 79 /* See comments about this elsewhere */ 80 #if 0 81 struct draw_fragment_shader *draw_shader; 82 #endif 83 84 void (*prepare)(const struct sp_fragment_shader_variant *shader, 85 struct tgsi_exec_machine *machine, 86 struct tgsi_sampler *sampler, 87 struct tgsi_image *image, 88 struct tgsi_buffer *buffer); 89 90 unsigned (*run)(const struct sp_fragment_shader_variant *shader, 91 struct tgsi_exec_machine *machine, 92 struct quad_header *quad, 93 bool early_depth_test); 94 95 /* Deletes this instance of the object */ 96 void (*delete)(struct sp_fragment_shader_variant *shader, 97 struct tgsi_exec_machine *machine); 98 99 struct sp_fragment_shader_variant *next; 100 }; 101 102 103 /** Subclass of pipe_shader_state */ 104 struct sp_fragment_shader { 105 struct pipe_shader_state shader; 106 struct sp_fragment_shader_variant *variants; 107 struct draw_fragment_shader *draw_shader; 108 }; 109 110 111 /** Subclass of pipe_shader_state */ 112 struct sp_vertex_shader { 113 struct pipe_shader_state shader; 114 struct draw_vertex_shader *draw_data; 115 int max_sampler; /* -1 if no samplers */ 116 }; 117 118 /** Subclass of pipe_shader_state */ 119 struct sp_geometry_shader { 120 struct pipe_shader_state shader; 121 struct draw_geometry_shader *draw_data; 122 int max_sampler; 123 }; 124 125 struct sp_velems_state { 126 unsigned count; 127 struct pipe_vertex_element velem[PIPE_MAX_ATTRIBS]; 128 }; 129 130 struct sp_so_state { 131 struct pipe_stream_output_info base; 132 }; 133 134 /** Subclass of pipe_compute_state */ 135 struct sp_compute_shader { 136 struct pipe_compute_state shader; 137 struct tgsi_token *tokens; 138 struct tgsi_shader_info info; 139 int max_sampler; /* -1 if no samplers */ 140 }; 141 142 void 143 softpipe_init_blend_funcs(struct pipe_context *pipe); 144 145 void 146 softpipe_init_clip_funcs(struct pipe_context *pipe); 147 148 void 149 softpipe_init_sampler_funcs(struct pipe_context *pipe); 150 151 void 152 softpipe_init_rasterizer_funcs(struct pipe_context *pipe); 153 154 void 155 softpipe_init_shader_funcs(struct pipe_context *pipe); 156 157 void 158 softpipe_init_streamout_funcs(struct pipe_context *pipe); 159 160 void 161 softpipe_init_vertex_funcs(struct pipe_context *pipe); 162 163 void 164 softpipe_init_image_funcs(struct pipe_context *pipe); 165 166 void 167 softpipe_set_framebuffer_state(struct pipe_context *, 168 const struct pipe_framebuffer_state *); 169 170 void 171 softpipe_update_derived(struct softpipe_context *softpipe, unsigned prim); 172 173 void 174 softpipe_set_sampler_views(struct pipe_context *pipe, 175 enum pipe_shader_type shader, 176 unsigned start, 177 unsigned num, 178 unsigned unbind_num_trailing_slots, 179 bool take_ownership, 180 struct pipe_sampler_view **views); 181 182 183 void 184 softpipe_draw_vbo(struct pipe_context *pipe, 185 const struct pipe_draw_info *info, 186 unsigned drawid_offset, 187 const struct pipe_draw_indirect_info *indirect, 188 const struct pipe_draw_start_count_bias *draws, 189 unsigned num_draws); 190 191 void 192 softpipe_map_texture_surfaces(struct softpipe_context *sp); 193 194 void 195 softpipe_unmap_texture_surfaces(struct softpipe_context *sp); 196 197 198 struct vertex_info * 199 softpipe_get_vbuf_vertex_info(struct softpipe_context *softpipe); 200 201 202 struct sp_fragment_shader_variant * 203 softpipe_find_fs_variant(struct softpipe_context *softpipe, 204 struct sp_fragment_shader *fs, 205 const struct sp_fragment_shader_variant_key *key); 206 207 208 struct sp_fragment_shader_variant * 209 softpipe_find_fs_variant(struct softpipe_context *softpipe, 210 struct sp_fragment_shader *fs, 211 const struct sp_fragment_shader_variant_key *key); 212 213 void 214 softpipe_prepare_vertex_sampling(struct softpipe_context *ctx, 215 unsigned num, 216 struct pipe_sampler_view **views); 217 void 218 softpipe_cleanup_vertex_sampling(struct softpipe_context *ctx); 219 220 221 void 222 softpipe_prepare_geometry_sampling(struct softpipe_context *ctx, 223 unsigned num, 224 struct pipe_sampler_view **views); 225 void 226 softpipe_cleanup_geometry_sampling(struct softpipe_context *ctx); 227 228 229 void 230 softpipe_launch_grid(struct pipe_context *context, 231 const struct pipe_grid_info *info); 232 233 void 234 softpipe_update_compute_samplers(struct softpipe_context *softpipe); 235 #endif 236