src/gallium/drivers/failover/fo_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 FO_CONTEXT_H
  32 #define FO_CONTEXT_H
  33
  34 #include "pipe/p_state.h"
  35 #include "pipe/p_context.h"
  36
  37
  38
  39 #define FO_NEW_VIEWPORT        0x1
  40 #define FO_NEW_RASTERIZER      0x2
  41 #define FO_NEW_FRAGMENT_SHADER 0x4
  42 #define FO_NEW_BLEND           0x8
  43 #define FO_NEW_CLIP            0x10
  44 #define FO_NEW_SCISSOR         0x20
  45 #define FO_NEW_STIPPLE         0x40
  46 #define FO_NEW_FRAMEBUFFER     0x80
  47 #define FO_NEW_ALPHA_TEST      0x100
  48 #define FO_NEW_DEPTH_STENCIL   0x200
  49 #define FO_NEW_SAMPLER         0x400
  50 #define FO_NEW_TEXTURE         0x800
  51 #define FO_NEW_VERTEX          0x2000
  52 #define FO_NEW_VERTEX_SHADER   0x4000
  53 #define FO_NEW_BLEND_COLOR     0x8000
  54 #define FO_NEW_CLEAR_COLOR     0x10000
  55 #define FO_NEW_VERTEX_BUFFER   0x20000
  56 #define FO_NEW_VERTEX_ELEMENT  0x40000
  57
  58
  59
  60 #define FO_HW 0
  61 #define FO_SW 1
  62
  63 struct fo_state {
  64    void *sw_state;
  65    void *hw_state;
  66 };
  67 struct failover_context {
  68    struct pipe_context pipe;  /**< base class */
  69
  70
  71    /* The most recent drawing state as set by the driver:
  72     */
  73    const struct fo_state     *blend;
  74    const struct fo_state     *sampler[PIPE_MAX_SAMPLERS];
  75    const struct fo_state     *depth_stencil;
  76    const struct fo_state     *rasterizer;
  77    const struct fo_state     *fragment_shader;
  78    const struct fo_state     *vertex_shader;
  79
  80    struct pipe_blend_color blend_color;
  81    struct pipe_clip_state clip;
  82    struct pipe_framebuffer_state framebuffer;
  83    struct pipe_poly_stipple poly_stipple;
  84    struct pipe_scissor_state scissor;
  85    struct pipe_texture *texture[PIPE_MAX_SAMPLERS];
  86    struct pipe_viewport_state viewport;
  87    struct pipe_vertex_buffer vertex_buffers[PIPE_MAX_ATTRIBS];
  88    struct pipe_vertex_element vertex_elements[PIPE_MAX_ATTRIBS];
  89
  90    uint num_vertex_buffers;
  91    uint num_vertex_elements;
  92
  93    void *sw_sampler_state[PIPE_MAX_SAMPLERS];
  94    void *hw_sampler_state[PIPE_MAX_SAMPLERS];
  95
  96    unsigned dirty;
  97
  98    unsigned num_samplers;
  99    unsigned num_textures;
 100
 101    unsigned mode;
 102    struct pipe_context *hw;
 103    struct pipe_context *sw;
 104 };
 105
 106
 107
 108 void failover_init_state_functions( struct failover_context *failover );
 109 void failover_state_emit( struct failover_context *failover );
 110
 111 static INLINE struct failover_context *
 112 failover_context( struct pipe_context *pipe )
 113 {
 114    return (struct failover_context *)pipe;
 115 }
 116
 117 /* Internal functions
 118  */
 119 void
 120 failover_set_constant_buffer(struct pipe_context *pipe,
 121                              uint shader, uint index,
 122                              const struct pipe_constant_buffer *buf);
 123
 124
 125 #endif /* FO_CONTEXT_H */