aboutsummaryrefslogtreecommitdiffstats
path: root/src/mesa/drivers/dri/i915/i830_context.h
blob: 4088480e644ae6edd6c9e30d89e6b1b77c079a83 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
/**************************************************************************
 * 
 * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
 * All Rights Reserved.
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sub license, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 * 
 * The above copyright notice and this permission notice (including the
 * next paragraph) shall be included in all copies or substantial portions
 * of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 * 
 **************************************************************************/

#ifndef I830CONTEXT_INC
#define I830CONTEXT_INC

#include "intel_context.h"

#define I830_FALLBACK_TEXTURE		 0x1000
#define I830_FALLBACK_COLORMASK		 0x2000
#define I830_FALLBACK_STENCIL		 0x4000
#define I830_FALLBACK_STIPPLE		 0x8000
#define I830_FALLBACK_LOGICOP		 0x20000
#define I830_FALLBACK_DRAW_OFFSET	 0x200000

#define I830_UPLOAD_CTX              0x1
#define I830_UPLOAD_BUFFERS          0x2
#define I830_UPLOAD_STIPPLE          0x4
#define I830_UPLOAD_INVARIENT        0x8
#define I830_UPLOAD_RASTER_RULES     0x10
#define I830_UPLOAD_TEX(i)           (0x10<<(i))
#define I830_UPLOAD_TEXBLEND(i)      (0x100<<(i))
#define I830_UPLOAD_TEX_ALL          (0x0f0)
#define I830_UPLOAD_TEXBLEND_ALL     (0xf00)

/* State structure offsets - these will probably disappear.
 */
#define I830_DESTREG_CBUFADDR0 0
#define I830_DESTREG_CBUFADDR1 1
#define I830_DESTREG_DBUFADDR0 2
#define I830_DESTREG_DBUFADDR1 3
#define I830_DESTREG_DV0 4
#define I830_DESTREG_DV1 5
#define I830_DESTREG_SENABLE 6
#define I830_DESTREG_SR0 7
#define I830_DESTREG_SR1 8
#define I830_DESTREG_SR2 9
#define I830_DESTREG_DRAWRECT0 10
#define I830_DESTREG_DRAWRECT1 11
#define I830_DESTREG_DRAWRECT2 12
#define I830_DESTREG_DRAWRECT3 13
#define I830_DESTREG_DRAWRECT4 14
#define I830_DESTREG_DRAWRECT5 15
#define I830_DEST_SETUP_SIZE 16

#define I830_CTXREG_STATE1		0
#define I830_CTXREG_STATE2		1
#define I830_CTXREG_STATE3		2
#define I830_CTXREG_STATE4		3
#define I830_CTXREG_STATE5		4
#define I830_CTXREG_IALPHAB		5
#define I830_CTXREG_STENCILTST		6
#define I830_CTXREG_ENABLES_1		7
#define I830_CTXREG_ENABLES_2		8
#define I830_CTXREG_AA			9
#define I830_CTXREG_FOGCOLOR		10
#define I830_CTXREG_BLENDCOLOR0		11
#define I830_CTXREG_BLENDCOLOR1		12
#define I830_CTXREG_VF			13
#define I830_CTXREG_VF2			14
#define I830_CTXREG_MCSB0		15
#define I830_CTXREG_MCSB1		16
#define I830_CTX_SETUP_SIZE		17

#define I830_STPREG_ST0        0
#define I830_STPREG_ST1        1
#define I830_STP_SETUP_SIZE    2

#define I830_TEXREG_TM0LI      0        /* load immediate 2 texture map n */
#define I830_TEXREG_TM0S1      1
#define I830_TEXREG_TM0S2      2
#define I830_TEXREG_TM0S3      3
#define I830_TEXREG_TM0S4      4
#define I830_TEXREG_MCS	       5        /* _3DSTATE_MAP_COORD_SETS */
#define I830_TEXREG_CUBE       6        /* _3DSTATE_MAP_SUBE */
#define I830_TEX_SETUP_SIZE    7

#define I830_TEXBLEND_SIZE	12      /* (4 args + op) * 2 + COLOR_FACTOR */

enum {
   I830_RASTER_RULES,
   I830_RASTER_RULES_SIZE
};

struct i830_texture_object
{
   struct intel_texture_object intel;
   GLuint Setup[I830_TEX_SETUP_SIZE];
};

#define I830_TEX_UNITS 4

struct i830_hw_state
{
   GLuint Ctx[I830_CTX_SETUP_SIZE];
   GLuint Buffer[I830_DEST_SETUP_SIZE];
   GLuint Stipple[I830_STP_SETUP_SIZE];
   GLuint RasterRules[I830_RASTER_RULES_SIZE];
   GLuint Tex[I830_TEX_UNITS][I830_TEX_SETUP_SIZE];
   GLuint TexBlend[I830_TEX_UNITS][I830_TEXBLEND_SIZE];
   GLuint TexBlendWordsUsed[I830_TEX_UNITS];

   struct intel_region *draw_region;
   struct intel_region *depth_region;

   /* Regions aren't actually that appropriate here as the memory may
    * be from a PBO or FBO.  Will have to do this for draw and depth for
    * FBO's...
    */
   drm_intel_bo *tex_buffer[I830_TEX_UNITS];
   GLuint tex_offset[I830_TEX_UNITS];

   GLuint emitted;              /* I810_UPLOAD_* */
   GLuint active;
};

struct i830_context
{
   struct intel_context intel;

   GLuint lodbias_tm0s3[MAX_TEXTURE_UNITS];
   GLbitfield64 last_index_bitset;

   struct i830_hw_state state;
};




#define I830_STATECHANGE(i830, flag)				\
do {								\
   INTEL_FIREVERTICES( &i830->intel );				\
   i830->state.emitted &= ~flag;					\
} while (0)

#define I830_ACTIVESTATE(i830, flag, mode)	\
do {						\
   INTEL_FIREVERTICES( &i830->intel );		\
   if (mode)					\
      i830->state.active |= flag;		\
   else						\
      i830->state.active &= ~flag;		\
} while (0)

/* i830_vtbl.c
 */
extern void i830InitVtbl(struct i830_context *i830);

extern void
i830_state_draw_region(struct intel_context *intel,
                       struct i830_hw_state *state,
                       struct intel_region *color_region,
                       struct intel_region *depth_region);
/* i830_context.c
 */
extern bool
i830CreateContext(int api,
                  const struct gl_config * mesaVis,
                  __DRIcontext * driContextPriv,
                  unsigned major_version,
                  unsigned minor_version,
                  uint32_t flags,
                  unsigned *error,
                  void *sharedContextPrivate);

/* i830_tex.c, i830_texstate.c
 */
extern void i830UpdateTextureState(struct intel_context *intel);

extern void i830InitTextureFuncs(struct dd_function_table *functions);

/* i830_texblend.c
 */
extern GLuint i830SetTexEnvCombine(struct i830_context *i830,
                                   const struct gl_tex_env_combine_state
                                   *combine, GLint blendUnit, GLuint texel_op,
                                   GLuint * state, const GLfloat * factor);

extern void i830EmitTextureBlend(struct i830_context *i830);


/* i830_state.c
 */
extern void i830InitStateFuncs(struct dd_function_table *functions);

extern void i830EmitState(struct i830_context *i830);

extern void i830InitState(struct i830_context *i830);
extern void i830_update_provoking_vertex(struct gl_context *ctx);

/*======================================================================
 * Inline conversion functions.  These are better-typed than the
 * macros used previously:
 */
static INLINE struct i830_context *
i830_context(struct gl_context * ctx)
{
   return (struct i830_context *) ctx;
}

#endif