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
  43
  44 struct llvmpipe_vbuf_render;
  45 struct draw_context;
  46 struct draw_stage;
  47 struct lp_fragment_shader;
  48 struct lp_vertex_shader;
  49 struct lp_blend_state;
  50 struct lp_setup_context;
  51 struct lp_velems_state;
  52
  53 struct llvmpipe_context {
  54    struct pipe_context pipe;  /**< base class */
  55
  56    /** Constant state objects */
  57    const struct pipe_blend_state *blend;
  58    const struct pipe_sampler_state *sampler[PIPE_MAX_SAMPLERS];
  59    struct pipe_sampler_state *vertex_samplers[PIPE_MAX_VERTEX_SAMPLERS];
  60    const struct pipe_depth_stencil_alpha_state *depth_stencil;
  61    const struct pipe_rasterizer_state *rasterizer;
  62    struct lp_fragment_shader *fs;
  63    const struct lp_vertex_shader *vs;
  64    const struct lp_geometry_shader *gs;
  65    const struct lp_velems_state *velems;
  66    const struct lp_so_state *so;
  67
  68    /** Other rendering state */
  69    struct pipe_blend_color blend_color;
  70    struct pipe_stencil_ref stencil_ref;
  71    struct pipe_clip_state clip;
  72    struct pipe_resource *constants[PIPE_SHADER_TYPES][PIPE_MAX_CONSTANT_BUFFERS];
  73    struct pipe_framebuffer_state framebuffer;
  74    struct pipe_poly_stipple poly_stipple;
  75    struct pipe_scissor_state scissor;
  76    struct pipe_sampler_view *fragment_sampler_views[PIPE_MAX_SAMPLERS];
  77    struct pipe_sampler_view *vertex_sampler_views[PIPE_MAX_VERTEX_SAMPLERS];
  78    struct pipe_viewport_state viewport;
  79    struct pipe_vertex_buffer vertex_buffer[PIPE_MAX_ATTRIBS];
  80    struct pipe_index_buffer index_buffer;
  81    struct {
  82       struct llvmpipe_resource *buffer[PIPE_MAX_SO_BUFFERS];
  83       int offset[PIPE_MAX_SO_BUFFERS];
  84       int so_count[PIPE_MAX_SO_BUFFERS];
  85       int num_buffers;
  86    } so_target;
  87    struct pipe_resource *mapped_vs_tex[PIPE_MAX_VERTEX_SAMPLERS];
  88
  89    unsigned num_samplers;
  90    unsigned num_fragment_sampler_views;
  91    unsigned num_vertex_samplers;
  92    unsigned num_vertex_sampler_views;
  93    unsigned num_vertex_buffers;
  94
  95    unsigned dirty; /**< Mask of LP_NEW_x flags */
  96
  97    int active_query_count;
  98
  99    /** Mapped vertex buffers */
 100    ubyte *mapped_vbuffer[PIPE_MAX_ATTRIBS];
 101
 102    /** Vertex format */
 103    struct vertex_info vertex_info;
 104
 105    /** Fragment shader input interpolation info */
 106    unsigned num_inputs;
 107    struct lp_shader_input inputs[PIPE_MAX_SHADER_INPUTS];
 108
 109    /** The tiling engine */
 110    struct lp_setup_context *setup;
 111
 112    /** The primitive drawing context */
 113    struct draw_context *draw;
 114
 115    unsigned tex_timestamp;
 116    boolean no_rast;
 117
 118    struct lp_fs_variant_list_item fs_variants_list;
 119    unsigned nr_fs_variants;
 120 };
 121
 122
 123 struct pipe_context *
 124 llvmpipe_create_context( struct pipe_screen *screen, void *priv );
 125
 126
 127 static INLINE struct llvmpipe_context *
 128 llvmpipe_context( struct pipe_context *pipe )
 129 {
 130    return (struct llvmpipe_context *)pipe;
 131 }
 132
 133 #endif /* LP_CONTEXT_H */
 134