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  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
  197.