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  1. /**************************************************************************
  2.  *
  3.  * Copyright 2007-2008 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.  
  29. #ifndef CSO_CONTEXT_H
  30. #define CSO_CONTEXT_H
  31.  
  32. #include "pipe/p_context.h"
  33. #include "pipe/p_state.h"
  34. #include "pipe/p_defines.h"
  35.  
  36.  
  37. #ifdef  __cplusplus
  38. extern "C" {
  39. #endif
  40.  
  41. struct cso_context;
  42. struct u_vbuf;
  43.  
  44. struct cso_context *cso_create_context( struct pipe_context *pipe );
  45.  
  46. void cso_release_all( struct cso_context *ctx );
  47.  
  48. void cso_destroy_context( struct cso_context *cso );
  49.  
  50.  
  51.  
  52. enum pipe_error cso_set_blend( struct cso_context *cso,
  53.                                const struct pipe_blend_state *blend );
  54. void cso_save_blend(struct cso_context *cso);
  55. void cso_restore_blend(struct cso_context *cso);
  56.  
  57.  
  58.  
  59. enum pipe_error cso_set_depth_stencil_alpha( struct cso_context *cso,
  60.                                              const struct pipe_depth_stencil_alpha_state *dsa );
  61. void cso_save_depth_stencil_alpha(struct cso_context *cso);
  62. void cso_restore_depth_stencil_alpha(struct cso_context *cso);
  63.  
  64.  
  65.  
  66. enum pipe_error cso_set_rasterizer( struct cso_context *cso,
  67.                                     const struct pipe_rasterizer_state *rasterizer );
  68. void cso_save_rasterizer(struct cso_context *cso);
  69. void cso_restore_rasterizer(struct cso_context *cso);
  70.  
  71.  
  72. enum pipe_error
  73. cso_set_samplers(struct cso_context *cso,
  74.                  unsigned shader_stage,
  75.                  unsigned count,
  76.                  const struct pipe_sampler_state **states);
  77.  
  78. void
  79. cso_save_samplers(struct cso_context *cso, unsigned shader_stage);
  80.  
  81. void
  82. cso_restore_samplers(struct cso_context *cso, unsigned shader_stage);
  83.  
  84. /* Alternate interface to support state trackers that like to modify
  85.  * samplers one at a time:
  86.  */
  87. enum pipe_error
  88. cso_single_sampler(struct cso_context *cso,
  89.                    unsigned shader_stage,
  90.                    unsigned count,
  91.                    const struct pipe_sampler_state *states);
  92.  
  93. void
  94. cso_single_sampler_done(struct cso_context *cso, unsigned shader_stage);
  95.  
  96.  
  97. enum pipe_error cso_set_vertex_elements(struct cso_context *ctx,
  98.                                         unsigned count,
  99.                                         const struct pipe_vertex_element *states);
  100. void cso_save_vertex_elements(struct cso_context *ctx);
  101. void cso_restore_vertex_elements(struct cso_context *ctx);
  102.  
  103.  
  104. void cso_set_vertex_buffers(struct cso_context *ctx,
  105.                             unsigned start_slot, unsigned count,
  106.                             const struct pipe_vertex_buffer *buffers);
  107.  
  108. /* One vertex buffer slot is provided with the save/restore functionality.
  109.  * cso_context chooses the slot, it can be non-zero. */
  110. void cso_save_aux_vertex_buffer_slot(struct cso_context *ctx);
  111. void cso_restore_aux_vertex_buffer_slot(struct cso_context *ctx);
  112. unsigned cso_get_aux_vertex_buffer_slot(struct cso_context *ctx);
  113.  
  114.  
  115. void cso_set_stream_outputs(struct cso_context *ctx,
  116.                             unsigned num_targets,
  117.                             struct pipe_stream_output_target **targets,
  118.                             unsigned append_bitmask);
  119. void cso_save_stream_outputs(struct cso_context *ctx);
  120. void cso_restore_stream_outputs(struct cso_context *ctx);
  121.  
  122.  
  123. /*
  124.  * We don't provide shader caching in CSO.  Most of the time the api provides
  125.  * object semantics for shaders anyway, and the cases where it doesn't
  126.  * (eg mesa's internally-generated texenv programs), it will be up to
  127.  * the state tracker to implement their own specialized caching.
  128.  */
  129.  
  130. void cso_set_fragment_shader_handle(struct cso_context *ctx, void *handle);
  131. void cso_delete_fragment_shader(struct cso_context *ctx, void *handle );
  132. void cso_save_fragment_shader(struct cso_context *cso);
  133. void cso_restore_fragment_shader(struct cso_context *cso);
  134.  
  135.  
  136. void cso_set_vertex_shader_handle(struct cso_context *ctx, void *handle);
  137. void cso_delete_vertex_shader(struct cso_context *ctx, void *handle );
  138. void cso_save_vertex_shader(struct cso_context *cso);
  139. void cso_restore_vertex_shader(struct cso_context *cso);
  140.  
  141.  
  142. void cso_set_geometry_shader_handle(struct cso_context *ctx, void *handle);
  143. void cso_delete_geometry_shader(struct cso_context *ctx, void *handle);
  144. void cso_save_geometry_shader(struct cso_context *cso);
  145. void cso_restore_geometry_shader(struct cso_context *cso);
  146.  
  147.  
  148. void cso_set_framebuffer(struct cso_context *cso,
  149.                          const struct pipe_framebuffer_state *fb);
  150. void cso_save_framebuffer(struct cso_context *cso);
  151. void cso_restore_framebuffer(struct cso_context *cso);
  152.  
  153.  
  154. void cso_set_viewport(struct cso_context *cso,
  155.                       const struct pipe_viewport_state *vp);
  156. void cso_save_viewport(struct cso_context *cso);
  157. void cso_restore_viewport(struct cso_context *cso);
  158.  
  159.  
  160. void cso_set_blend_color(struct cso_context *cso,
  161.                          const struct pipe_blend_color *bc);
  162.  
  163. void cso_set_sample_mask(struct cso_context *cso, unsigned stencil_mask);
  164. void cso_save_sample_mask(struct cso_context *ctx);
  165. void cso_restore_sample_mask(struct cso_context *ctx);
  166.  
  167. void cso_set_stencil_ref(struct cso_context *cso,
  168.                          const struct pipe_stencil_ref *sr);
  169. void cso_save_stencil_ref(struct cso_context *cso);
  170. void cso_restore_stencil_ref(struct cso_context *cso);
  171.  
  172. void cso_set_render_condition(struct cso_context *cso,
  173.                               struct pipe_query *query,
  174.                               boolean condition, uint mode);
  175. void cso_save_render_condition(struct cso_context *cso);
  176. void cso_restore_render_condition(struct cso_context *cso);
  177.  
  178.  
  179. /* clip state */
  180.  
  181. void
  182. cso_set_clip(struct cso_context *cso,
  183.              const struct pipe_clip_state *clip);
  184.  
  185. void
  186. cso_save_clip(struct cso_context *cso);
  187.  
  188. void
  189. cso_restore_clip(struct cso_context *cso);
  190.  
  191.  
  192. /* sampler view state */
  193.  
  194. void
  195. cso_set_sampler_views(struct cso_context *cso,
  196.                       unsigned shader_stage,
  197.                       unsigned count,
  198.                       struct pipe_sampler_view **views);
  199.  
  200. void
  201. cso_save_sampler_views(struct cso_context *cso, unsigned shader_stage);
  202.  
  203. void
  204. cso_restore_sampler_views(struct cso_context *cso, unsigned shader_stage);
  205.  
  206.  
  207. /* constant buffers */
  208.  
  209. void cso_set_constant_buffer(struct cso_context *cso, unsigned shader_stage,
  210.                              unsigned index, struct pipe_constant_buffer *cb);
  211. void cso_set_constant_buffer_resource(struct cso_context *cso,
  212.                                       unsigned shader_stage,
  213.                                       unsigned index,
  214.                                       struct pipe_resource *buffer);
  215. void cso_save_constant_buffer_slot0(struct cso_context *cso,
  216.                                     unsigned shader_stage);
  217. void cso_restore_constant_buffer_slot0(struct cso_context *cso,
  218.                                        unsigned shader_stage);
  219.  
  220.  
  221. /* drawing */
  222.  
  223. void
  224. cso_set_index_buffer(struct cso_context *cso,
  225.                      const struct pipe_index_buffer *ib);
  226.  
  227. void
  228. cso_draw_vbo(struct cso_context *cso,
  229.              const struct pipe_draw_info *info);
  230.  
  231. /* helper drawing function */
  232. void
  233. cso_draw_arrays(struct cso_context *cso, uint mode, uint start, uint count);
  234.  
  235. #ifdef  __cplusplus
  236. }
  237. #endif
  238.  
  239. #endif
  240.