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
  41
  42 struct llvmpipe_vbuf_render;
  43 struct draw_context;
  44 struct draw_stage;
  45 struct lp_fragment_shader;
  46 struct lp_vertex_shader;
  47 struct lp_blend_state;
  48 struct setup_context;
  49 struct lp_velems_state;
  50
  51 struct llvmpipe_context {
  52    struct pipe_context pipe;  /**< base class */
  53
  54    /** Constant state objects */
  55    const struct pipe_blend_state *blend;
  56    const struct pipe_sampler_state *sampler[PIPE_MAX_SAMPLERS];
  57    struct pipe_sampler_state *vertex_samplers[PIPE_MAX_VERTEX_SAMPLERS];
  58    const struct pipe_depth_stencil_alpha_state *depth_stencil;
  59    const struct pipe_rasterizer_state *rasterizer;
  60    struct lp_fragment_shader *fs;
  61    const struct lp_vertex_shader *vs;
  62    const struct lp_velems_state *velems;
  63
  64    /** Other rendering state */
  65    struct pipe_blend_color blend_color;
  66    struct pipe_stencil_ref stencil_ref;
  67    struct pipe_clip_state clip;
  68    struct pipe_buffer *constants[PIPE_SHADER_TYPES];
  69    struct pipe_framebuffer_state framebuffer;
  70    struct pipe_poly_stipple poly_stipple;
  71    struct pipe_scissor_state scissor;
  72    struct pipe_texture *texture[PIPE_MAX_SAMPLERS];
  73    struct pipe_texture *vertex_textures[PIPE_MAX_VERTEX_SAMPLERS];
  74    struct pipe_viewport_state viewport;
  75    struct pipe_vertex_buffer vertex_buffer[PIPE_MAX_ATTRIBS];
  76
  77    unsigned num_samplers;
  78    unsigned num_textures;
  79    unsigned num_vertex_samplers;
  80    unsigned num_vertex_textures;
  81    unsigned num_vertex_buffers;
  82
  83    unsigned dirty; /**< Mask of LP_NEW_x flags */
  84
  85    /* Counter for occlusion queries.  Note this supports overlapping
  86     * queries.
  87     */
  88    uint64_t occlusion_count;
  89    unsigned active_query_count;
  90
  91    /** Mapped vertex buffers */
  92    ubyte *mapped_vbuffer[PIPE_MAX_ATTRIBS];
  93
  94    /** Vertex format */
  95    struct vertex_info vertex_info;
  96
  97    /** Which vertex shader output slot contains point size */
  98    int psize_slot;
  99
 100    /** The tiling engine */
 101    struct setup_context *setup;
 102
 103    /** The primitive drawing context */
 104    struct draw_context *draw;
 105
 106    unsigned tex_timestamp;
 107    boolean no_rast;
 108
 109 };
 110
 111
 112 struct pipe_context *
 113 llvmpipe_create_context( struct pipe_screen *screen, void *priv );
 114
 115
 116 static INLINE struct llvmpipe_context *
 117 llvmpipe_context( struct pipe_context *pipe )
 118 {
 119    return (struct llvmpipe_context *)pipe;
 120 }
 121
 122 #endif /* LP_CONTEXT_H */
 123