1 /**************************************************************************
2 *
3 * Copyright 2003 VMware, Inc.
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 VMWARE 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 0x20000
38 #define I830_FALLBACK_DRAW_OFFSET 0x200000
39
40 #define I830_UPLOAD_CTX 0x1
41 #define I830_UPLOAD_BUFFERS 0x2
42 #define I830_UPLOAD_STIPPLE 0x4
43 #define I830_UPLOAD_INVARIENT 0x8
44 #define I830_UPLOAD_RASTER_RULES 0x10
45 #define I830_UPLOAD_TEX(i) (0x0100<<(i))
46 #define I830_UPLOAD_TEXBLEND(i) (0x1000<<(i))
47 #define I830_UPLOAD_TEX_ALL (0x0f00)
48 #define I830_UPLOAD_TEXBLEND_ALL (0xf000)
49
50 /* State structure offsets - these will probably disappear.
51 */
52 #define I830_DESTREG_CBUFADDR0 0
53 #define I830_DESTREG_CBUFADDR1 1
54 #define I830_DESTREG_DBUFADDR0 2
55 #define I830_DESTREG_DBUFADDR1 3
56 #define I830_DESTREG_DV0 4
57 #define I830_DESTREG_DV1 5
58 #define I830_DESTREG_SR0 6
59 #define I830_DESTREG_SR1 7
60 #define I830_DESTREG_SR2 8
61 #define I830_DESTREG_SENABLE 9
62 #define I830_DESTREG_DRAWRECT0 10
63 #define I830_DESTREG_DRAWRECT1 11
64 #define I830_DESTREG_DRAWRECT2 12
65 #define I830_DESTREG_DRAWRECT3 13
66 #define I830_DESTREG_DRAWRECT4 14
67 #define I830_DESTREG_DRAWRECT5 15
68 #define I830_DEST_SETUP_SIZE 16
69
70 #define I830_CTXREG_STATE1 0
71 #define I830_CTXREG_STATE2 1
72 #define I830_CTXREG_STATE3 2
73 #define I830_CTXREG_STATE4 3
74 #define I830_CTXREG_STATE5 4
75 #define I830_CTXREG_IALPHAB 5
76 #define I830_CTXREG_STENCILTST 6
77 #define I830_CTXREG_ENABLES_1 7
78 #define I830_CTXREG_ENABLES_2 8
79 #define I830_CTXREG_AA 9
80 #define I830_CTXREG_FOGCOLOR 10
81 #define I830_CTXREG_BLENDCOLOR0 11
82 #define I830_CTXREG_BLENDCOLOR1 12
83 #define I830_CTXREG_VF 13
84 #define I830_CTXREG_VF2 14
85 #define I830_CTXREG_MCSB0 15
86 #define I830_CTXREG_MCSB1 16
87 #define I830_CTX_SETUP_SIZE 17
88
89 #define I830_STPREG_ST0 0
90 #define I830_STPREG_ST1 1
91 #define I830_STP_SETUP_SIZE 2
92
93 #define I830_TEXREG_TM0LI 0 /* load immediate 2 texture map n */
94 #define I830_TEXREG_TM0S1 1
95 #define I830_TEXREG_TM0S2 2
96 #define I830_TEXREG_TM0S3 3
97 #define I830_TEXREG_TM0S4 4
98 #define I830_TEXREG_MCS 5 /* _3DSTATE_MAP_COORD_SETS */
99 #define I830_TEXREG_CUBE 6 /* _3DSTATE_MAP_SUBE */
100 #define I830_TEX_SETUP_SIZE 7
101
102 #define I830_TEXBLEND_SIZE 12 /* (4 args + op) * 2 + COLOR_FACTOR */
103
104 enum {
105 I830_RASTER_RULES,
106 I830_RASTER_RULES_SIZE
107 };
108
109 struct i830_texture_object
110 {
111 struct intel_texture_object intel;
112 GLuint Setup[I830_TEX_SETUP_SIZE];
113 };
114
115 #define I830_TEX_UNITS 4
116
117 struct i830_hw_state
118 {
119 GLuint Ctx[I830_CTX_SETUP_SIZE];
120 GLuint Buffer[I830_DEST_SETUP_SIZE];
121 GLuint Stipple[I830_STP_SETUP_SIZE];
122 GLuint RasterRules[I830_RASTER_RULES_SIZE];
123 GLuint Tex[I830_TEX_UNITS][I830_TEX_SETUP_SIZE];
124 GLuint TexBlend[I830_TEX_UNITS][I830_TEXBLEND_SIZE];
125 GLuint TexBlendWordsUsed[I830_TEX_UNITS];
126
127 struct intel_region *draw_region;
128 struct intel_region *depth_region;
129
130 /* Regions aren't actually that appropriate here as the memory may
131 * be from a PBO or FBO. Will have to do this for draw and depth for
132 * FBO's...
133 */
134 drm_intel_bo *tex_buffer[I830_TEX_UNITS];
135 GLuint tex_offset[I830_TEX_UNITS];
136
137 GLuint emitted; /* I810_UPLOAD_* */
138 GLuint active;
139 };
140
141 struct i830_context
142 {
143 struct intel_context intel;
144
145 GLuint lodbias_tm0s3[MAX_TEXTURE_UNITS];
146 GLbitfield64 last_index_bitset;
147
148 struct i830_hw_state state;
149 };
150
151
152
153
154 #define I830_STATECHANGE(i830, flag) \
155 do { \
156 INTEL_FIREVERTICES( &i830->intel ); \
157 i830->state.emitted &= ~flag; \
158 } while (0)
159
160 #define I830_ACTIVESTATE(i830, flag, mode) \
161 do { \
162 INTEL_FIREVERTICES( &i830->intel ); \
163 if (mode) \
164 i830->state.active |= flag; \
165 else \
166 i830->state.active &= ~flag; \
167 } while (0)
168
169 /* i830_vtbl.c
170 */
171 extern void i830InitVtbl(struct i830_context *i830);
172
173 extern void
174 i830_state_draw_region(struct intel_context *intel,
175 struct i830_hw_state *state,
176 struct intel_region *color_region,
177 struct intel_region *depth_region);
178 /* i830_context.c
179 */
180 extern bool
181 i830CreateContext(int api,
182 const struct gl_config * mesaVis,
183 __DRIcontext * driContextPriv,
184 unsigned major_version,
185 unsigned minor_version,
186 uint32_t flags,
187 unsigned *error,
188 void *sharedContextPrivate);
189
190 /* i830_tex.c, i830_texstate.c
191 */
192 extern void i830UpdateTextureState(struct intel_context *intel);
193
194 extern void i830InitTextureFuncs(struct dd_function_table *functions);
195
196 /* i830_texblend.c
197 */
198 extern GLuint i830SetTexEnvCombine(struct i830_context *i830,
199 const struct gl_tex_env_combine_state
200 *combine, GLint blendUnit, GLuint texel_op,
201 GLuint * state, const GLfloat * factor);
202
203 extern void i830EmitTextureBlend(struct i830_context *i830);
204
205
206 /* i830_state.c
207 */
208 extern void i830InitStateFuncs(struct dd_function_table *functions);
209
210 extern void i830EmitState(struct i830_context *i830);
211
212 extern void i830InitState(struct i830_context *i830);
213 extern void i830_update_provoking_vertex(struct gl_context *ctx);
214
215 /*======================================================================
216 * Inline conversion functions. These are better-typed than the
217 * macros used previously:
218 */
219 static inline struct i830_context *
i830_context(struct gl_context * ctx)220 i830_context(struct gl_context * ctx)
221 {
222 return (struct i830_context *) ctx;
223 }
224
225 #endif
226