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 (at) tungstengraphics.com> 29 */ 30 31 #ifndef SP_CONTEXT_H 32 #define SP_CONTEXT_H 33 34 #include "pipe/p_context.h" 35 36 #include "draw/draw_vertex.h" 37 38 #include "sp_quad_pipe.h" 39 40 41 /** Do polygon stipple in the draw module? */ 42 #define DO_PSTIPPLE_IN_DRAW_MODULE 0 43 44 /** Do polygon stipple with the util module? */ 45 #define DO_PSTIPPLE_IN_HELPER_MODULE 1 46 47 48 struct softpipe_vbuf_render; 49 struct draw_context; 50 struct draw_stage; 51 struct softpipe_tile_cache; 52 struct softpipe_tex_tile_cache; 53 struct sp_fragment_shader; 54 struct sp_vertex_shader; 55 struct sp_velems_state; 56 struct sp_so_state; 57 58 struct softpipe_context { 59 struct pipe_context pipe; /**< base class */ 60 61 /** Constant state objects */ 62 struct pipe_blend_state *blend; 63 struct pipe_sampler_state *samplers[PIPE_SHADER_TYPES][PIPE_MAX_SAMPLERS]; 64 struct pipe_depth_stencil_alpha_state *depth_stencil; 65 struct pipe_rasterizer_state *rasterizer; 66 struct sp_fragment_shader *fs; 67 struct sp_fragment_shader_variant *fs_variant; 68 struct sp_vertex_shader *vs; 69 struct sp_geometry_shader *gs; 70 struct sp_velems_state *velems; 71 struct sp_so_state *so; 72 73 /** Other rendering state */ 74 struct pipe_blend_color blend_color; 75 struct pipe_blend_color blend_color_clamped; 76 struct pipe_stencil_ref stencil_ref; 77 struct pipe_clip_state clip; 78 struct pipe_resource *constants[PIPE_SHADER_TYPES][PIPE_MAX_CONSTANT_BUFFERS]; 79 struct pipe_framebuffer_state framebuffer; 80 struct pipe_poly_stipple poly_stipple; 81 struct pipe_scissor_state scissor; 82 struct pipe_sampler_view *sampler_views[PIPE_SHADER_TYPES][PIPE_MAX_SAMPLERS]; 83 84 struct pipe_viewport_state viewport; 85 struct pipe_vertex_buffer vertex_buffer[PIPE_MAX_ATTRIBS]; 86 struct pipe_index_buffer index_buffer; 87 88 struct draw_so_target *so_targets[PIPE_MAX_SO_BUFFERS]; 89 int num_so_targets; 90 91 struct pipe_query_data_so_statistics so_stats; 92 unsigned num_primitives_generated; 93 94 unsigned num_samplers[PIPE_SHADER_TYPES]; 95 unsigned num_sampler_views[PIPE_SHADER_TYPES]; 96 97 unsigned num_vertex_buffers; 98 99 unsigned dirty; /**< Mask of SP_NEW_x flags */ 100 101 /* Counter for occlusion queries. Note this supports overlapping 102 * queries. 103 */ 104 uint64_t occlusion_count; 105 unsigned active_query_count; 106 107 /** Mapped vertex buffers */ 108 ubyte *mapped_vbuffer[PIPE_MAX_ATTRIBS]; 109 110 /** Mapped constant buffers */ 111 const void *mapped_constants[PIPE_SHADER_TYPES][PIPE_MAX_CONSTANT_BUFFERS]; 112 unsigned const_buffer_size[PIPE_SHADER_TYPES][PIPE_MAX_CONSTANT_BUFFERS]; 113 114 /** Vertex format */ 115 struct vertex_info vertex_info; 116 struct vertex_info vertex_info_vbuf; 117 118 /** Which vertex shader output slot contains point size */ 119 int psize_slot; 120 121 /** The reduced version of the primitive supplied by the state tracker */ 122 unsigned reduced_api_prim; 123 124 /** Derived information about which winding orders to cull */ 125 unsigned cull_mode; 126 127 /** 128 * The reduced primitive after unfilled triangles, wide-line decomposition, 129 * etc, are taken into account. This is the primitive type that's actually 130 * rasterized. 131 */ 132 unsigned reduced_prim; 133 134 /** Derived from scissor and surface bounds: */ 135 struct pipe_scissor_state cliprect; 136 137 unsigned line_stipple_counter; 138 139 /** Conditional query object and mode */ 140 struct pipe_query *render_cond_query; 141 uint render_cond_mode; 142 143 /** Polygon stipple items */ 144 struct { 145 struct pipe_resource *texture; 146 struct pipe_sampler_state *sampler; 147 struct pipe_sampler_view *sampler_view; 148 } pstipple; 149 150 /** Software quad rendering pipeline */ 151 struct { 152 struct quad_stage *shade; 153 struct quad_stage *depth_test; 154 struct quad_stage *blend; 155 struct quad_stage *pstipple; 156 struct quad_stage *first; /**< points to one of the above stages */ 157 } quad; 158 159 /** TGSI exec things */ 160 struct { 161 struct sp_sampler_variant *samplers_list[PIPE_SHADER_TYPES][PIPE_MAX_SAMPLERS]; 162 } tgsi; 163 164 struct tgsi_exec_machine *fs_machine; 165 166 /** The primitive drawing context */ 167 struct draw_context *draw; 168 169 /** Draw module backend */ 170 struct vbuf_render *vbuf_backend; 171 struct draw_stage *vbuf; 172 173 boolean dirty_render_cache; 174 175 struct softpipe_tile_cache *cbuf_cache[PIPE_MAX_COLOR_BUFS]; 176 struct softpipe_tile_cache *zsbuf_cache; 177 178 unsigned tex_timestamp; 179 180 /* 181 * Texture caches for vertex, fragment, geometry stages. 182 * Don't use PIPE_SHADER_TYPES here to avoid allocating unused memory 183 * for compute shaders. 184 */ 185 struct softpipe_tex_tile_cache *tex_cache[PIPE_SHADER_GEOMETRY+1][PIPE_MAX_SAMPLERS]; 186 187 unsigned dump_fs : 1; 188 unsigned dump_gs : 1; 189 unsigned no_rast : 1; 190 }; 191 192 193 static INLINE struct softpipe_context * 194 softpipe_context( struct pipe_context *pipe ) 195 { 196 return (struct softpipe_context *)pipe; 197 } 198 199 void 200 softpipe_reset_sampler_variants(struct softpipe_context *softpipe); 201 202 struct pipe_context * 203 softpipe_create_context( struct pipe_screen *, void *priv ); 204 205 struct pipe_resource * 206 softpipe_user_buffer_create(struct pipe_screen *screen, 207 void *ptr, 208 unsigned bytes, 209 unsigned bind_flags); 210 211 #define SP_UNREFERENCED 0 212 #define SP_REFERENCED_FOR_READ (1 << 0) 213 #define SP_REFERENCED_FOR_WRITE (1 << 1) 214 215 unsigned int 216 softpipe_is_resource_referenced( struct pipe_context *pipe, 217 struct pipe_resource *texture, 218 unsigned level, int layer); 219 220 #endif /* SP_CONTEXT_H */ 221
