src/gallium/drivers/softpipe/sp_state.h

   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
 135 void
 136 softpipe_init_blend_funcs(struct pipe_context *pipe);
 137
 138 void
 139 softpipe_init_clip_funcs(struct pipe_context *pipe);
 140
 141 void
 142 softpipe_init_sampler_funcs(struct pipe_context *pipe);
 143
 144 void
 145 softpipe_init_rasterizer_funcs(struct pipe_context *pipe);
 146
 147 void
 148 softpipe_init_shader_funcs(struct pipe_context *pipe);
 149
 150 void
 151 softpipe_init_streamout_funcs(struct pipe_context *pipe);
 152
 153 void
 154 softpipe_init_vertex_funcs(struct pipe_context *pipe);
 155
 156 void
 157 softpipe_init_image_funcs(struct pipe_context *pipe);
 158
 159 void
 160 softpipe_set_framebuffer_state(struct pipe_context *,
 161                                const struct pipe_framebuffer_state *);
 162
 163 void
 164 softpipe_update_derived(struct softpipe_context *softpipe, unsigned prim);
 165
 166 void
 167 softpipe_set_sampler_views(struct pipe_context *pipe,
 168                            unsigned shader,
 169                            unsigned start,
 170                            unsigned num,
 171                            struct pipe_sampler_view **views);
 172
 173
 174 void
 175 softpipe_draw_vbo(struct pipe_context *pipe,
 176                   const struct pipe_draw_info *info);
 177
 178 void
 179 softpipe_map_texture_surfaces(struct softpipe_context *sp);
 180
 181 void
 182 softpipe_unmap_texture_surfaces(struct softpipe_context *sp);
 183
 184
 185 struct vertex_info *
 186 softpipe_get_vbuf_vertex_info(struct softpipe_context *softpipe);
 187
 188
 189 struct sp_fragment_shader_variant *
 190 softpipe_find_fs_variant(struct softpipe_context *softpipe,
 191                          struct sp_fragment_shader *fs,
 192                          const struct sp_fragment_shader_variant_key *key);
 193
 194
 195 struct sp_fragment_shader_variant *
 196 softpipe_find_fs_variant(struct softpipe_context *softpipe,
 197                          struct sp_fragment_shader *fs,
 198                          const struct sp_fragment_shader_variant_key *key);
 199
 200 void
 201 softpipe_prepare_vertex_sampling(struct softpipe_context *ctx,
 202                                  unsigned num,
 203                                  struct pipe_sampler_view **views);
 204 void
 205 softpipe_cleanup_vertex_sampling(struct softpipe_context *ctx);
 206
 207
 208 void
 209 softpipe_prepare_geometry_sampling(struct softpipe_context *ctx,
 210                                    unsigned num,
 211                                    struct pipe_sampler_view **views);
 212 void
 213 softpipe_cleanup_geometry_sampling(struct softpipe_context *ctx);
 214
 215
 216 #endif