src/gallium/drivers/softpipe/sp_state.h

   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
  58 struct tgsi_sampler;
  59 struct tgsi_exec_machine;
  60 struct vertex_info;
  61
  62
  63 struct sp_fragment_shader_variant_key
  64 {
  65    boolean polygon_stipple;
  66 };
  67
  68
  69 struct 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 *sampler);
  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 */
  99 struct 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 */
 107 struct 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 */
 114 struct sp_geometry_shader {
 115    struct pipe_shader_state shader;
 116    struct draw_geometry_shader *draw_data;
 117    int max_sampler;
 118 };
 119
 120 struct sp_velems_state {
 121    unsigned count;
 122    struct pipe_vertex_element velem[PIPE_MAX_ATTRIBS];
 123 };
 124
 125 struct sp_so_state {
 126    struct pipe_stream_output_info base;
 127 };
 128
 129
 130 void
 131 softpipe_init_blend_funcs(struct pipe_context *pipe);
 132
 133 void
 134 softpipe_init_clip_funcs(struct pipe_context *pipe);
 135
 136 void
 137 softpipe_init_sampler_funcs(struct pipe_context *pipe);
 138
 139 void
 140 softpipe_init_rasterizer_funcs(struct pipe_context *pipe);
 141
 142 void
 143 softpipe_init_shader_funcs(struct pipe_context *pipe);
 144
 145 void
 146 softpipe_init_streamout_funcs(struct pipe_context *pipe);
 147
 148 void
 149 softpipe_init_vertex_funcs(struct pipe_context *pipe);
 150
 151 void
 152 softpipe_set_framebuffer_state(struct pipe_context *,
 153                                const struct pipe_framebuffer_state *);
 154
 155 void
 156 softpipe_update_derived(struct softpipe_context *softpipe, unsigned prim);
 157
 158 void
 159 softpipe_set_sampler_views(struct pipe_context *pipe,
 160                            unsigned shader,
 161                            unsigned start,
 162                            unsigned num,
 163                            struct pipe_sampler_view **views);
 164
 165
 166 void
 167 softpipe_draw_vbo(struct pipe_context *pipe,
 168                   const struct pipe_draw_info *info);
 169
 170 void
 171 softpipe_map_texture_surfaces(struct softpipe_context *sp);
 172
 173 void
 174 softpipe_unmap_texture_surfaces(struct softpipe_context *sp);
 175
 176
 177 struct vertex_info *
 178 softpipe_get_vertex_info(struct softpipe_context *softpipe);
 179
 180 struct vertex_info *
 181 softpipe_get_vbuf_vertex_info(struct softpipe_context *softpipe);
 182
 183
 184 struct sp_fragment_shader_variant *
 185 softpipe_find_fs_variant(struct softpipe_context *softpipe,
 186                          struct sp_fragment_shader *fs,
 187                          const struct sp_fragment_shader_variant_key *key);
 188
 189
 190 struct sp_fragment_shader_variant *
 191 softpipe_find_fs_variant(struct softpipe_context *softpipe,
 192                          struct sp_fragment_shader *fs,
 193                          const struct sp_fragment_shader_variant_key *key);
 194
 195
 196 #endif