src/gallium/drivers/llvmpipe/lp_context.h

   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
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  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.
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  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.
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  25  *
  26  **************************************************************************/
  27
  28 /* Authors:  Keith Whitwell <keithw@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    struct pipe_index_buffer index_buffer;
  85
  86    unsigned num_samplers[PIPE_SHADER_TYPES];
  87    unsigned num_sampler_views[PIPE_SHADER_TYPES];
  88
  89    unsigned num_vertex_buffers;
  90
  91    struct draw_so_target *so_targets[PIPE_MAX_SO_BUFFERS];
  92    int num_so_targets;
  93    struct pipe_query_data_so_statistics so_stats;
  94
  95    struct pipe_query_data_pipeline_statistics pipeline_statistics;
  96    unsigned active_statistics_queries;
  97
  98    unsigned active_occlusion_queries;
  99
 100    unsigned dirty; /**< Mask of LP_NEW_x flags */
 101
 102    /** Mapped vertex buffers */
 103    ubyte *mapped_vbuffer[PIPE_MAX_ATTRIBS];
 104
 105    /** Vertex format */
 106    struct vertex_info vertex_info;
 107
 108    /** Which vertex shader output slot contains color */
 109    int8_t color_slot[2];
 110
 111    /** Which vertex shader output slot contains bcolor */
 112    int8_t bcolor_slot[2];
 113
 114    /** Which vertex shader output slot contains point size */
 115    int8_t psize_slot;
 116
 117    /** Which vertex shader output slot contains viewport index */
 118    int8_t viewport_index_slot;
 119
 120    /** Which geometry shader output slot contains layer */
 121    int8_t layer_slot;
 122
 123    /** A fake frontface output for unfilled primitives */
 124    int8_t face_slot;
 125
 126    /** Depth format and bias settings. */
 127    boolean floating_point_depth;
 128    double mrd;   /**< minimum resolvable depth value, for polygon offset */
 129
 130    /** The tiling engine */
 131    struct lp_setup_context *setup;
 132    struct lp_setup_variant setup_variant;
 133
 134    /** The primitive drawing context */
 135    struct draw_context *draw;
 136
 137    struct blitter_context *blitter;
 138
 139    unsigned tex_timestamp;
 140    boolean no_rast;
 141
 142    /** List of all fragment shader variants */
 143    struct lp_fs_variant_list_item fs_variants_list;
 144    unsigned nr_fs_variants;
 145    unsigned nr_fs_instrs;
 146
 147    struct lp_setup_variant_list_item setup_variants_list;
 148    unsigned nr_setup_variants;
 149
 150    /** Conditional query object and mode */
 151    struct pipe_query *render_cond_query;
 152    uint render_cond_mode;
 153    boolean render_cond_cond;
 154
 155    /** The LLVMContext to use for LLVM related work */
 156    LLVMContextRef context;
 157 };
 158
 159
 160 struct pipe_context *
 161 llvmpipe_create_context(struct pipe_screen *screen, void *priv,
 162                         unsigned flags);
 163
 164 struct pipe_resource *
 165 llvmpipe_user_buffer_create(struct pipe_screen *screen,
 166                             void *ptr,
 167                             unsigned bytes,
 168                             unsigned bind_flags);
 169
 170
 171 static inline struct llvmpipe_context *
 172 llvmpipe_context( struct pipe_context *pipe )
 173 {
 174    return (struct llvmpipe_context *)pipe;
 175 }
 176
 177 #endif /* LP_CONTEXT_H */
 178