src/mesa/pipe/i915simple/i915_context.h

   1  /**************************************************************************
   2  *
   3  * Copyright 2003 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 #ifndef I915_CONTEXT_H
  29 #define I915_CONTEXT_H
  30
  31
  32 #include "pipe/p_context.h"
  33 #include "pipe/p_state.h"
  34
  35 struct i915_context
  36 {
  37    struct pipe_context pipe;
  38    struct i915_winsys *winsys;
  39    struct draw_context *draw;
  40
  41    /* The most recent drawing state as set by the driver:
  42     */
  43    struct pipe_alpha_test_state alpha_test;
  44    struct pipe_blend_state blend;
  45    struct pipe_blend_color blend_color;
  46    struct pipe_clear_color_state clear_color;
  47    struct pipe_clip_state clip;
  48    struct pipe_depth_state depth_test;
  49    struct pipe_framebuffer_state framebuffer;
  50    struct pipe_fs_state fs;
  51    struct pipe_poly_stipple poly_stipple;
  52    struct pipe_scissor_state scissor;
  53    struct pipe_sampler_state sampler[PIPE_MAX_SAMPLERS];
  54    struct pipe_setup_state setup;
  55    struct pipe_stencil_state stencil;
  56    struct pipe_texture_object *texture[PIPE_MAX_SAMPLERS];
  57    struct pipe_viewport_state viewport;
  58    GLuint dirty;
  59
  60    struct pipe_scissor_state cliprect;
  61
  62 };
  63
  64 #define I915_NEW_VIEWPORT      0x1
  65 #define I915_NEW_SETUP         0x2
  66 #define I915_NEW_FS            0x4
  67 #define I915_NEW_BLEND         0x8
  68 #define I915_NEW_CLIP         0x10
  69 #define I915_NEW_SCISSOR      0x20
  70 #define I915_NEW_STIPPLE      0x40
  71 #define I915_NEW_FRAMEBUFFER  0x80
  72 #define I915_NEW_ALPHA_TEST  0x100
  73 #define I915_NEW_DEPTH_TEST  0x200
  74 #define I915_NEW_SAMPLER     0x400
  75 #define I915_NEW_TEXTURE     0x800
  76 #define I915_NEW_STENCIL    0x1000
  77
  78
  79 /***********************************************************************
  80  * i915_prim_emit.c:
  81  */
  82 struct draw_stage *i915_draw_render_stage( struct i915_context *i915 );
  83
  84
  85 /***********************************************************************
  86  * i915_state_emit.c:
  87  */
  88 void i915_emit_hardware_state(struct i915_context *i915 );
  89 unsigned *i915_passthrough_program( unsigned *dwords );
  90
  91
  92
  93 /***********************************************************************
  94  * i915_clear.c:
  95  */
  96 void i915_clear(struct pipe_context *pipe, struct pipe_surface *ps,
  97                 GLuint clearValue);
  98
  99
 100 /***********************************************************************
 101  * i915_buffer.c:
 102  */
 103 void i915_init_buffer_functions( struct i915_context *i915 );
 104 void i915_init_region_functions( struct i915_context *i915 );
 105 void i915_init_surface_functions( struct i915_context *i915 );
 106 void i915_init_state_functions( struct i915_context *i915 );
 107
 108
 109
 110 /***********************************************************************
 111  * Inline conversion functions.  These are better-typed than the
 112  * macros used previously:
 113  */
 114 static INLINE struct i915_context *
 115 i915_context( struct pipe_context *pipe )
 116 {
 117    return (struct i915_context *)pipe;
 118 }
 119
 120
 121
 122 #endif