i830_context.h revision 8cf9085bc7b96819d2bec1e749e15af58eefb2f3 
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 I830CONTEXT_INC
29#define I830CONTEXT_INC
30
31#include "intel_context.h"
32
33#define I830_FALLBACK_TEXTURE		 0x1000
34#define I830_FALLBACK_COLORMASK		 0x2000
35#define I830_FALLBACK_STENCIL		 0x4000
36#define I830_FALLBACK_STIPPLE		 0x8000
37#define I830_FALLBACK_LOGICOP		 0x10000
38
39#define I830_UPLOAD_CTX              0x1
40#define I830_UPLOAD_BUFFERS          0x2
41#define I830_UPLOAD_STIPPLE          0x4
42#define I830_UPLOAD_INVARIENT        0x8
43#define I830_UPLOAD_TEX(i)           (0x10<<(i))
44#define I830_UPLOAD_TEXBLEND(i)      (0x100<<(i))
45#define I830_UPLOAD_TEX_ALL          (0x0f0)
46#define I830_UPLOAD_TEXBLEND_ALL     (0xf00)
47
48/* State structure offsets - these will probably disappear.
49 */
50#define I830_DESTREG_CBUFADDR0 0
51#define I830_DESTREG_CBUFADDR1 1
52#define I830_DESTREG_DBUFADDR0 2
53#define I830_DESTREG_DBUFADDR1 3
54#define I830_DESTREG_DV0 4
55#define I830_DESTREG_DV1 5
56#define I830_DESTREG_SENABLE 6
57#define I830_DESTREG_SR0 7
58#define I830_DESTREG_SR1 8
59#define I830_DESTREG_SR2 9
60#define I830_DEST_SETUP_SIZE 10
61
62#define I830_CTXREG_STATE1		0
63#define I830_CTXREG_STATE2		1
64#define I830_CTXREG_STATE3		2
65#define I830_CTXREG_STATE4		3
66#define I830_CTXREG_STATE5		4
67#define I830_CTXREG_IALPHAB		5
68#define I830_CTXREG_STENCILTST		6
69#define I830_CTXREG_ENABLES_1		7
70#define I830_CTXREG_ENABLES_2		8
71#define I830_CTXREG_AA			9
72#define I830_CTXREG_FOGCOLOR		10
73#define I830_CTXREG_BLENDCOLOR0		11
74#define I830_CTXREG_BLENDCOLOR1		12
75#define I830_CTXREG_VF			13
76#define I830_CTXREG_VF2			14
77#define I830_CTXREG_MCSB0		15
78#define I830_CTXREG_MCSB1		16
79#define I830_CTX_SETUP_SIZE		17
80
81#define I830_STPREG_ST0        0
82#define I830_STPREG_ST1        1
83#define I830_STP_SETUP_SIZE    2
84
85#define I830_TEXREG_TM0LI      0        /* load immediate 2 texture map n */
86#define I830_TEXREG_TM0S1      1
87#define I830_TEXREG_TM0S2      2
88#define I830_TEXREG_TM0S3      3
89#define I830_TEXREG_TM0S4      4
90#define I830_TEXREG_MCS	       5        /* _3DSTATE_MAP_COORD_SETS */
91#define I830_TEXREG_CUBE       6        /* _3DSTATE_MAP_SUBE */
92#define I830_TEX_SETUP_SIZE    7
93
94#define I830_TEXBLEND_SIZE	12      /* (4 args + op) * 2 + COLOR_FACTOR */
95
96struct i830_texture_object
97{
98   struct intel_texture_object intel;
99   GLuint Setup[I830_TEX_SETUP_SIZE];
100};
101
102#define I830_TEX_UNITS 4
103
104struct i830_hw_state
105{
106   GLuint Ctx[I830_CTX_SETUP_SIZE];
107   GLuint Buffer[I830_DEST_SETUP_SIZE];
108   GLuint Stipple[I830_STP_SETUP_SIZE];
109   GLuint Tex[I830_TEX_UNITS][I830_TEX_SETUP_SIZE];
110   GLuint TexBlend[I830_TEX_UNITS][I830_TEXBLEND_SIZE];
111   GLuint TexBlendWordsUsed[I830_TEX_UNITS];
112
113   struct intel_region *draw_region;
114   struct intel_region *depth_region;
115
116   /* Regions aren't actually that appropriate here as the memory may
117    * be from a PBO or FBO.  Will have to do this for draw and depth for
118    * FBO's...
119    */
120   dri_bo *tex_buffer[I830_TEX_UNITS];
121   GLuint tex_offset[I830_TEX_UNITS];
122
123   GLuint emitted;              /* I810_UPLOAD_* */
124   GLuint active;
125};
126
127struct i830_context
128{
129   struct intel_context intel;
130
131   GLuint lodbias_tm0s3[MAX_TEXTURE_UNITS];
132     DECLARE_RENDERINPUTS(last_index_bitset);
133
134   struct i830_hw_state meta, initial, state, *current;
135};
136
137
138
139
140#define I830_STATECHANGE(i830, flag)				\
141do {								\
142   INTEL_FIREVERTICES( &i830->intel );				\
143   i830->state.emitted &= ~flag;					\
144} while (0)
145
146#define I830_ACTIVESTATE(i830, flag, mode)	\
147do {						\
148   INTEL_FIREVERTICES( &i830->intel );		\
149   if (mode)					\
150      i830->state.active |= flag;		\
151   else						\
152      i830->state.active &= ~flag;		\
153} while (0)
154
155/* i830_vtbl.c
156 */
157extern void i830InitVtbl(struct i830_context *i830);
158
159extern void
160i830_state_draw_region(struct intel_context *intel,
161                       struct i830_hw_state *state,
162                       struct intel_region *color_region,
163                       struct intel_region *depth_region);
164/* i830_context.c
165 */
166extern GLboolean
167i830CreateContext(const __GLcontextModes * mesaVis,
168                  __DRIcontextPrivate * driContextPriv,
169                  void *sharedContextPrivate);
170
171/* i830_tex.c, i830_texstate.c
172 */
173extern void i830UpdateTextureState(struct intel_context *intel);
174
175extern void i830InitTextureFuncs(struct dd_function_table *functions);
176
177/* i830_texblend.c
178 */
179extern GLuint i830SetTexEnvCombine(struct i830_context *i830,
180                                   const struct gl_tex_env_combine_state
181                                   *combine, GLint blendUnit, GLuint texel_op,
182                                   GLuint * state, const GLfloat * factor);
183
184extern void i830EmitTextureBlend(struct i830_context *i830);
185
186
187/* i830_state.c
188 */
189extern void i830InitStateFuncs(struct dd_function_table *functions);
190
191extern void i830EmitState(struct i830_context *i830);
192
193extern void i830InitState(struct i830_context *i830);
194
195/* i830_metaops.c
196 */
197extern void i830InitMetaFuncs(struct i830_context *i830);
198
199extern void
200i830RotateWindow(struct intel_context *intel, __DRIdrawablePrivate * dPriv,
201                 GLuint srcBuf);
202
203/*======================================================================
204 * Inline conversion functions.  These are better-typed than the
205 * macros used previously:
206 */
207static INLINE struct i830_context *
208i830_context(GLcontext * ctx)
209{
210   return (struct i830_context *) ctx;
211}
212
213#endif
214