1/************************************************************************** 2 * 3 * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. 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 TUNGSTEN GRAPHICS 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 <keith@tungstengraphics.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 58struct tgsi_sampler; 59struct tgsi_exec_machine; 60struct vertex_info; 61 62 63struct sp_fragment_shader_variant_key 64{ 65 boolean polygon_stipple; 66}; 67 68 69struct sp_fragment_shader_variant 70{ 71 const struct tgsi_token *tokens; 72 struct sp_fragment_shader_variant_key key; 73 struct tgsi_shader_info info; 74 75 unsigned stipple_sampler_unit; 76 77 /* See comments about this elsewhere */ 78#if 0 79 struct draw_fragment_shader *draw_shader; 80#endif 81 82 void (*prepare)(const struct sp_fragment_shader_variant *shader, 83 struct tgsi_exec_machine *machine, 84 struct tgsi_sampler **samplers); 85 86 unsigned (*run)(const struct sp_fragment_shader_variant *shader, 87 struct tgsi_exec_machine *machine, 88 struct quad_header *quad); 89 90 /* Deletes this instance of the object */ 91 void (*delete)(struct sp_fragment_shader_variant *shader, 92 struct tgsi_exec_machine *machine); 93 94 struct sp_fragment_shader_variant *next; 95}; 96 97 98/** Subclass of pipe_shader_state */ 99struct sp_fragment_shader { 100 struct pipe_shader_state shader; 101 struct sp_fragment_shader_variant *variants; 102 struct draw_fragment_shader *draw_shader; 103}; 104 105 106/** Subclass of pipe_shader_state */ 107struct sp_vertex_shader { 108 struct pipe_shader_state shader; 109 struct draw_vertex_shader *draw_data; 110 int max_sampler; /* -1 if no samplers */ 111}; 112 113/** Subclass of pipe_shader_state */ 114struct sp_geometry_shader { 115 struct pipe_shader_state shader; 116 struct draw_geometry_shader *draw_data; 117 int max_sampler; 118}; 119 120struct sp_velems_state { 121 unsigned count; 122 struct pipe_vertex_element velem[PIPE_MAX_ATTRIBS]; 123}; 124 125struct sp_so_state { 126 struct pipe_stream_output_info base; 127}; 128 129 130void 131softpipe_init_blend_funcs(struct pipe_context *pipe); 132 133void 134softpipe_init_clip_funcs(struct pipe_context *pipe); 135 136void 137softpipe_init_sampler_funcs(struct pipe_context *pipe); 138 139void 140softpipe_init_rasterizer_funcs(struct pipe_context *pipe); 141 142void 143softpipe_init_shader_funcs(struct pipe_context *pipe); 144 145void 146softpipe_init_streamout_funcs(struct pipe_context *pipe); 147 148void 149softpipe_init_vertex_funcs(struct pipe_context *pipe); 150 151void 152softpipe_set_framebuffer_state(struct pipe_context *, 153 const struct pipe_framebuffer_state *); 154 155void 156softpipe_update_derived(struct softpipe_context *softpipe, unsigned prim); 157 158void 159softpipe_draw_vbo(struct pipe_context *pipe, 160 const struct pipe_draw_info *info); 161 162void 163softpipe_map_transfers(struct softpipe_context *sp); 164 165void 166softpipe_unmap_transfers(struct softpipe_context *sp); 167 168void 169softpipe_map_texture_surfaces(struct softpipe_context *sp); 170 171void 172softpipe_unmap_texture_surfaces(struct softpipe_context *sp); 173 174 175struct vertex_info * 176softpipe_get_vertex_info(struct softpipe_context *softpipe); 177 178struct vertex_info * 179softpipe_get_vbuf_vertex_info(struct softpipe_context *softpipe); 180 181 182struct sp_fragment_shader_variant * 183softpipe_find_fs_variant(struct softpipe_context *softpipe, 184 struct sp_fragment_shader *fs, 185 const struct sp_fragment_shader_variant_key *key); 186 187 188struct sp_fragment_shader_variant * 189softpipe_find_fs_variant(struct softpipe_context *softpipe, 190 struct sp_fragment_shader *fs, 191 const struct sp_fragment_shader_variant_key *key); 192 193 194#endif 195