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 (at) vmware.com> 29 */ 30 31 #ifndef SP_CONTEXT_H 32 #define SP_CONTEXT_H 33 34 #include "pipe/p_context.h" 35 #include "util/u_blitter.h" 36 37 #include "draw/draw_vertex.h" 38 39 #include "sp_quad_pipe.h" 40 #include "sp_setup.h" 41 42 43 /** Do polygon stipple in the draw module? */ 44 #define DO_PSTIPPLE_IN_DRAW_MODULE 0 45 46 /** Do polygon stipple with the util module? */ 47 #define DO_PSTIPPLE_IN_HELPER_MODULE 1 48 49 50 struct softpipe_vbuf_render; 51 struct draw_context; 52 struct draw_stage; 53 struct softpipe_tile_cache; 54 struct softpipe_tex_tile_cache; 55 struct sp_fragment_shader; 56 struct sp_vertex_shader; 57 struct sp_velems_state; 58 struct sp_so_state; 59 60 struct softpipe_context { 61 struct pipe_context pipe; /**< base class */ 62 63 /** Constant state objects */ 64 struct pipe_blend_state *blend; 65 struct pipe_sampler_state *samplers[PIPE_SHADER_TYPES][PIPE_MAX_SAMPLERS]; 66 struct pipe_depth_stencil_alpha_state *depth_stencil; 67 struct pipe_rasterizer_state *rasterizer; 68 struct sp_fragment_shader *fs; 69 struct sp_fragment_shader_variant *fs_variant; 70 struct sp_vertex_shader *vs; 71 struct sp_geometry_shader *gs; 72 struct sp_velems_state *velems; 73 struct sp_so_state *so; 74 struct sp_compute_shader *cs; 75 76 /** Other rendering state */ 77 struct pipe_blend_color blend_color; 78 struct pipe_blend_color blend_color_clamped; 79 struct pipe_stencil_ref stencil_ref; 80 struct pipe_clip_state clip; 81 struct pipe_resource *constants[PIPE_SHADER_TYPES][PIPE_MAX_CONSTANT_BUFFERS]; 82 struct pipe_framebuffer_state framebuffer; 83 struct pipe_poly_stipple poly_stipple; 84 struct pipe_scissor_state scissors[PIPE_MAX_VIEWPORTS]; 85 struct pipe_sampler_view *sampler_views[PIPE_SHADER_TYPES][PIPE_MAX_SHADER_SAMPLER_VIEWS]; 86 87 struct pipe_image_view images[PIPE_SHADER_TYPES][PIPE_MAX_SHADER_IMAGES]; 88 struct pipe_shader_buffer buffers[PIPE_SHADER_TYPES][PIPE_MAX_SHADER_BUFFERS]; 89 struct pipe_viewport_state viewports[PIPE_MAX_VIEWPORTS]; 90 struct pipe_vertex_buffer vertex_buffer[PIPE_MAX_ATTRIBS]; 91 struct pipe_index_buffer index_buffer; 92 struct pipe_resource *mapped_vs_tex[PIPE_MAX_SHADER_SAMPLER_VIEWS]; 93 struct pipe_resource *mapped_gs_tex[PIPE_MAX_SHADER_SAMPLER_VIEWS]; 94 95 struct draw_so_target *so_targets[PIPE_MAX_SO_BUFFERS]; 96 unsigned num_so_targets; 97 98 struct pipe_query_data_so_statistics so_stats; 99 100 struct pipe_query_data_pipeline_statistics pipeline_statistics; 101 unsigned active_statistics_queries; 102 103 unsigned num_samplers[PIPE_SHADER_TYPES]; 104 unsigned num_sampler_views[PIPE_SHADER_TYPES]; 105 106 unsigned num_vertex_buffers; 107 108 unsigned dirty; /**< Mask of SP_NEW_x flags */ 109 110 /* Counter for occlusion queries. Note this supports overlapping 111 * queries. 112 */ 113 uint64_t occlusion_count; 114 unsigned active_query_count; 115 116 /** Mapped vertex buffers */ 117 ubyte *mapped_vbuffer[PIPE_MAX_ATTRIBS]; 118 119 /** Mapped constant buffers */ 120 const void *mapped_constants[PIPE_SHADER_TYPES][PIPE_MAX_CONSTANT_BUFFERS]; 121 unsigned const_buffer_size[PIPE_SHADER_TYPES][PIPE_MAX_CONSTANT_BUFFERS]; 122 123 /** Vertex format */ 124 struct sp_setup_info setup_info; 125 struct vertex_info vertex_info; 126 127 /** Which vertex shader output slot contains point size */ 128 int8_t psize_slot; 129 130 /** Which vertex shader output slot contains viewport index */ 131 int8_t viewport_index_slot; 132 133 /** Which vertex shader output slot contains layer */ 134 int8_t layer_slot; 135 136 /** The reduced version of the primitive supplied by the state tracker */ 137 unsigned reduced_api_prim; 138 139 /** Derived information about which winding orders to cull */ 140 unsigned cull_mode; 141 142 /** 143 * The reduced primitive after unfilled triangles, wide-line decomposition, 144 * etc, are taken into account. This is the primitive type that's actually 145 * rasterized. 146 */ 147 unsigned reduced_prim; 148 149 /** Derived from scissor and surface bounds: */ 150 struct pipe_scissor_state cliprect[PIPE_MAX_VIEWPORTS]; 151 152 unsigned line_stipple_counter; 153 154 /** Conditional query object and mode */ 155 struct pipe_query *render_cond_query; 156 uint render_cond_mode; 157 boolean render_cond_cond; 158 159 /** Polygon stipple items */ 160 struct { 161 struct pipe_resource *texture; 162 struct pipe_sampler_state *sampler; 163 struct pipe_sampler_view *sampler_view; 164 } pstipple; 165 166 /** Software quad rendering pipeline */ 167 struct { 168 struct quad_stage *shade; 169 struct quad_stage *depth_test; 170 struct quad_stage *blend; 171 struct quad_stage *pstipple; 172 struct quad_stage *first; /**< points to one of the above stages */ 173 } quad; 174 175 /** TGSI exec things */ 176 struct { 177 struct sp_tgsi_sampler *sampler[PIPE_SHADER_TYPES]; 178 struct sp_tgsi_image *image[PIPE_SHADER_TYPES]; 179 struct sp_tgsi_buffer *buffer[PIPE_SHADER_TYPES]; 180 } tgsi; 181 182 struct tgsi_exec_machine *fs_machine; 183 /** whether early depth testing is enabled */ 184 bool early_depth; 185 186 /** The primitive drawing context */ 187 struct draw_context *draw; 188 189 /** Draw module backend */ 190 struct vbuf_render *vbuf_backend; 191 struct draw_stage *vbuf; 192 193 struct blitter_context *blitter; 194 195 boolean dirty_render_cache; 196 197 struct softpipe_tile_cache *cbuf_cache[PIPE_MAX_COLOR_BUFS]; 198 struct softpipe_tile_cache *zsbuf_cache; 199 200 unsigned tex_timestamp; 201 202 /* 203 * Texture caches for vertex, fragment, geometry stages. 204 * Don't use PIPE_SHADER_TYPES here to avoid allocating unused memory 205 * for compute shaders. 206 * XXX wouldn't it make more sense for the tile cache to just be part 207 * of sp_sampler_view? 208 */ 209 struct softpipe_tex_tile_cache *tex_cache[PIPE_SHADER_TYPES][PIPE_MAX_SHADER_SAMPLER_VIEWS]; 210 211 unsigned dump_fs : 1; 212 unsigned dump_gs : 1; 213 unsigned dump_cs : 1; 214 unsigned no_rast : 1; 215 }; 216 217 218 static inline struct softpipe_context * 219 softpipe_context( struct pipe_context *pipe ) 220 { 221 return (struct softpipe_context *)pipe; 222 } 223 224 225 struct pipe_context * 226 softpipe_create_context(struct pipe_screen *, void *priv, unsigned flags); 227 228 struct pipe_resource * 229 softpipe_user_buffer_create(struct pipe_screen *screen, 230 void *ptr, 231 unsigned bytes, 232 unsigned bind_flags); 233 234 #define SP_UNREFERENCED 0 235 #define SP_REFERENCED_FOR_READ (1 << 0) 236 #define SP_REFERENCED_FOR_WRITE (1 << 1) 237 238 unsigned int 239 softpipe_is_resource_referenced( struct pipe_context *pipe, 240 struct pipe_resource *texture, 241 unsigned level, int layer); 242 243 #endif /* SP_CONTEXT_H */ 244
