1 /**************************************************************************
3 * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
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:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
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.
26 **************************************************************************/
28 #ifndef I915_CONTEXT_H
29 #define I915_CONTEXT_H
32 #include "pipe/p_context.h"
33 #include "pipe/p_state.h"
37 struct pipe_context pipe
;
38 struct i915_winsys
*winsys
;
39 struct draw_context
*draw
;
41 /* The most recent drawing state as set by the driver:
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_mipmap_tree
*texture
[PIPE_MAX_SAMPLERS
];
57 struct pipe_viewport_state viewport
;
63 struct pipe_scissor_state cliprect
;
66 #define I915_NEW_VIEWPORT 0x1
67 #define I915_NEW_SETUP 0x2
68 #define I915_NEW_FS 0x4
69 #define I915_NEW_BLEND 0x8
70 #define I915_NEW_CLIP 0x10
71 #define I915_NEW_SCISSOR 0x20
72 #define I915_NEW_STIPPLE 0x40
73 #define I915_NEW_FRAMEBUFFER 0x80
74 #define I915_NEW_ALPHA_TEST 0x100
75 #define I915_NEW_DEPTH_TEST 0x200
76 #define I915_NEW_SAMPLER 0x400
77 #define I915_NEW_TEXTURE 0x800
78 #define I915_NEW_STENCIL 0x1000
81 /***********************************************************************
84 struct draw_stage
*i915_draw_render_stage( struct i915_context
*i915
);
87 /***********************************************************************
90 void i915_emit_hardware_state(struct i915_context
*i915
);
91 unsigned *i915_passthrough_program( unsigned *dwords
);
95 /***********************************************************************
98 void i915_clear(struct pipe_context
*pipe
, struct pipe_surface
*ps
,
102 /***********************************************************************
105 void i915_init_buffer_functions( struct i915_context
*i915
);
106 void i915_init_region_functions( struct i915_context
*i915
);
107 void i915_init_surface_functions( struct i915_context
*i915
);
108 void i915_init_state_functions( struct i915_context
*i915
);
109 void i915_init_flush_functions( struct i915_context
*i915
);
113 /***********************************************************************
114 * Inline conversion functions. These are better-typed than the
115 * macros used previously:
117 static INLINE
struct i915_context
*
118 i915_context( struct pipe_context
*pipe
)
120 return (struct i915_context
*)pipe
;