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 LP_CONTEXT_H 32 #define LP_CONTEXT_H 33 34 #include "pipe/p_context.h" 35 36 #include "draw/draw_vertex.h" 37 38 #include "lp_tex_sample.h" 39 #include "lp_jit.h" 40 #include "lp_setup.h" 41 #include "lp_state_fs.h" 42 #include "lp_state_setup.h" 43 44 45 struct llvmpipe_vbuf_render; 46 struct draw_context; 47 struct draw_stage; 48 struct lp_fragment_shader; 49 struct lp_vertex_shader; 50 struct lp_blend_state; 51 struct lp_setup_context; 52 struct lp_setup_variant; 53 struct lp_velems_state; 54 55 struct llvmpipe_context { 56 struct pipe_context pipe; /**< base class */ 57 58 /** Constant state objects */ 59 const struct pipe_blend_state *blend; 60 struct pipe_sampler_state *samplers[PIPE_SHADER_TYPES][PIPE_MAX_SAMPLERS]; 61 62 const struct pipe_depth_stencil_alpha_state *depth_stencil; 63 const struct pipe_rasterizer_state *rasterizer; 64 struct lp_fragment_shader *fs; 65 const struct lp_vertex_shader *vs; 66 const struct lp_geometry_shader *gs; 67 const struct lp_velems_state *velems; 68 const struct lp_so_state *so; 69 70 /** Other rendering state */ 71 struct pipe_blend_color blend_color; 72 struct pipe_stencil_ref stencil_ref; 73 struct pipe_clip_state clip; 74 struct pipe_resource *constants[PIPE_SHADER_TYPES][PIPE_MAX_CONSTANT_BUFFERS]; 75 struct pipe_framebuffer_state framebuffer; 76 struct pipe_poly_stipple poly_stipple; 77 struct pipe_scissor_state scissor; 78 struct pipe_sampler_view *sampler_views[PIPE_SHADER_TYPES][PIPE_MAX_SAMPLERS]; 79 80 struct pipe_viewport_state viewport; 81 struct pipe_vertex_buffer vertex_buffer[PIPE_MAX_ATTRIBS]; 82 struct pipe_index_buffer index_buffer; 83 struct { 84 struct llvmpipe_resource *buffer[PIPE_MAX_SO_BUFFERS]; 85 int offset[PIPE_MAX_SO_BUFFERS]; 86 int so_count[PIPE_MAX_SO_BUFFERS]; 87 int num_buffers; 88 } so_target; 89 struct pipe_resource *mapped_vs_tex[PIPE_MAX_SAMPLERS]; 90 91 unsigned num_samplers[PIPE_SHADER_TYPES]; 92 unsigned num_sampler_views[PIPE_SHADER_TYPES]; 93 94 unsigned num_vertex_buffers; 95 96 unsigned dirty; /**< Mask of LP_NEW_x flags */ 97 98 int active_query_count; 99 100 /** Mapped vertex buffers */ 101 ubyte *mapped_vbuffer[PIPE_MAX_ATTRIBS]; 102 103 /** Vertex format */ 104 struct vertex_info vertex_info; 105 106 /** Which vertex shader output slot contains color */ 107 int color_slot[2]; 108 109 /** Which vertex shader output slot contains bcolor */ 110 int bcolor_slot[2]; 111 112 /** Which vertex shader output slot contains point size */ 113 int psize_slot; 114 115 /**< minimum resolvable depth value, for polygon offset */ 116 double mrd; 117 118 /** The tiling engine */ 119 struct lp_setup_context *setup; 120 struct lp_setup_variant setup_variant; 121 122 /** The primitive drawing context */ 123 struct draw_context *draw; 124 125 unsigned tex_timestamp; 126 boolean no_rast; 127 128 /** List of all fragment shader variants */ 129 struct lp_fs_variant_list_item fs_variants_list; 130 unsigned nr_fs_variants; 131 unsigned nr_fs_instrs; 132 133 struct lp_setup_variant_list_item setup_variants_list; 134 unsigned nr_setup_variants; 135 136 /** Conditional query object and mode */ 137 struct pipe_query *render_cond_query; 138 uint render_cond_mode; 139 }; 140 141 142 /** 143 * Fragment and setup variant count, used to trigger garbage collection. 144 * This is global since all variants in all contexts will be free when 145 * we do garbage collection. 146 */ 147 extern unsigned llvmpipe_variant_count; 148 149 150 struct pipe_context * 151 llvmpipe_create_context( struct pipe_screen *screen, void *priv ); 152 153 struct pipe_resource * 154 llvmpipe_user_buffer_create(struct pipe_screen *screen, 155 void *ptr, 156 unsigned bytes, 157 unsigned bind_flags); 158 159 160 static INLINE struct llvmpipe_context * 161 llvmpipe_context( struct pipe_context *pipe ) 162 { 163 return (struct llvmpipe_context *)pipe; 164 } 165 166 #endif /* LP_CONTEXT_H */ 167 168
