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 LP_CONTEXT_H 32 #define LP_CONTEXT_H 33 34 #include "pipe/p_context.h" 35 36 #include "draw/draw_vertex.h" 37 #include "util/u_blitter.h" 38 39 #include "lp_tex_sample.h" 40 #include "lp_jit.h" 41 #include "lp_setup.h" 42 #include "lp_state_fs.h" 43 #include "lp_state_setup.h" 44 45 46 struct llvmpipe_vbuf_render; 47 struct draw_context; 48 struct draw_stage; 49 struct draw_vertex_shader; 50 struct lp_fragment_shader; 51 struct lp_blend_state; 52 struct lp_setup_context; 53 struct lp_setup_variant; 54 struct lp_velems_state; 55 56 struct llvmpipe_context { 57 struct pipe_context pipe; /**< base class */ 58 59 /** Constant state objects */ 60 const struct pipe_blend_state *blend; 61 struct pipe_sampler_state *samplers[PIPE_SHADER_TYPES][PIPE_MAX_SAMPLERS]; 62 63 const struct pipe_depth_stencil_alpha_state *depth_stencil; 64 const struct pipe_rasterizer_state *rasterizer; 65 struct lp_fragment_shader *fs; 66 struct draw_vertex_shader *vs; 67 const struct lp_geometry_shader *gs; 68 const struct lp_velems_state *velems; 69 const struct lp_so_state *so; 70 71 /** Other rendering state */ 72 unsigned sample_mask; 73 struct pipe_blend_color blend_color; 74 struct pipe_stencil_ref stencil_ref; 75 struct pipe_clip_state clip; 76 struct pipe_constant_buffer constants[PIPE_SHADER_TYPES][LP_MAX_TGSI_CONST_BUFFERS]; 77 struct pipe_framebuffer_state framebuffer; 78 struct pipe_poly_stipple poly_stipple; 79 struct pipe_scissor_state scissors[PIPE_MAX_VIEWPORTS]; 80 struct pipe_sampler_view *sampler_views[PIPE_SHADER_TYPES][PIPE_MAX_SHADER_SAMPLER_VIEWS]; 81 82 struct pipe_viewport_state viewports[PIPE_MAX_VIEWPORTS]; 83 struct pipe_vertex_buffer vertex_buffer[PIPE_MAX_ATTRIBS]; 84 85 unsigned num_samplers[PIPE_SHADER_TYPES]; 86 unsigned num_sampler_views[PIPE_SHADER_TYPES]; 87 88 unsigned num_vertex_buffers; 89 90 struct draw_so_target *so_targets[PIPE_MAX_SO_BUFFERS]; 91 int num_so_targets; 92 struct pipe_query_data_so_statistics so_stats; 93 94 struct pipe_query_data_pipeline_statistics pipeline_statistics; 95 unsigned active_statistics_queries; 96 97 unsigned active_occlusion_queries; 98 99 unsigned dirty; /**< Mask of LP_NEW_x flags */ 100 101 /** Mapped vertex buffers */ 102 ubyte *mapped_vbuffer[PIPE_MAX_ATTRIBS]; 103 104 /** Vertex format */ 105 struct vertex_info vertex_info; 106 107 /** Which vertex shader output slot contains color */ 108 int8_t color_slot[2]; 109 110 /** Which vertex shader output slot contains bcolor */ 111 int8_t bcolor_slot[2]; 112 113 /** Which vertex shader output slot contains point size */ 114 int8_t psize_slot; 115 116 /** Which vertex shader output slot contains viewport index */ 117 int8_t viewport_index_slot; 118 119 /** Which geometry shader output slot contains layer */ 120 int8_t layer_slot; 121 122 /** A fake frontface output for unfilled primitives */ 123 int8_t face_slot; 124 125 /** Depth format and bias settings. */ 126 boolean floating_point_depth; 127 double mrd; /**< minimum resolvable depth value, for polygon offset */ 128 129 /** The tiling engine */ 130 struct lp_setup_context *setup; 131 struct lp_setup_variant setup_variant; 132 133 /** The primitive drawing context */ 134 struct draw_context *draw; 135 136 struct blitter_context *blitter; 137 138 unsigned tex_timestamp; 139 boolean no_rast; 140 141 /** List of all fragment shader variants */ 142 struct lp_fs_variant_list_item fs_variants_list; 143 unsigned nr_fs_variants; 144 unsigned nr_fs_instrs; 145 146 struct lp_setup_variant_list_item setup_variants_list; 147 unsigned nr_setup_variants; 148 149 /** Conditional query object and mode */ 150 struct pipe_query *render_cond_query; 151 enum pipe_render_cond_flag render_cond_mode; 152 boolean render_cond_cond; 153 154 /** The LLVMContext to use for LLVM related work */ 155 LLVMContextRef context; 156 }; 157 158 159 struct pipe_context * 160 llvmpipe_create_context(struct pipe_screen *screen, void *priv, 161 unsigned flags); 162 163 struct pipe_resource * 164 llvmpipe_user_buffer_create(struct pipe_screen *screen, 165 void *ptr, 166 unsigned bytes, 167 unsigned bind_flags); 168 169 170 static inline struct llvmpipe_context * 171 llvmpipe_context( struct pipe_context *pipe ) 172 { 173 return (struct llvmpipe_context *)pipe; 174 } 175 176 #endif /* LP_CONTEXT_H */ 177 178
