src/gallium/drivers/llvmpipe/lp_context.h

   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@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