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 I830CONTEXT_INC
29 #define I830CONTEXT_INC
31 #include "intel_context.h"
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
39 #define I830_UPLOAD_CTX 0x1
40 #define I830_UPLOAD_BUFFERS 0x2
41 #define I830_UPLOAD_STIPPLE 0x4
42 #define I830_UPLOAD_TEX(i) (0x10<<(i))
43 #define I830_UPLOAD_TEXBLEND(i) (0x100<<(i))
44 #define I830_UPLOAD_TEX_ALL (0x0f0)
45 #define I830_UPLOAD_TEXBLEND_ALL (0xf00)
47 /* State structure offsets - these will probably disappear.
49 #define I830_DESTREG_CBUFADDR0 0
50 #define I830_DESTREG_CBUFADDR1 1
51 #define I830_DESTREG_CBUFADDR2 2
52 #define I830_DESTREG_DBUFADDR0 3
53 #define I830_DESTREG_DBUFADDR1 4
54 #define I830_DESTREG_DBUFADDR2 5
55 #define I830_DESTREG_DV0 6
56 #define I830_DESTREG_DV1 7
57 #define I830_DESTREG_SENABLE 8
58 #define I830_DESTREG_SR0 9
59 #define I830_DESTREG_SR1 10
60 #define I830_DESTREG_SR2 11
61 #define I830_DEST_SETUP_SIZE 12
63 #define I830_CTXREG_STATE1 0
64 #define I830_CTXREG_STATE2 1
65 #define I830_CTXREG_STATE3 2
66 #define I830_CTXREG_STATE4 3
67 #define I830_CTXREG_STATE5 4
68 #define I830_CTXREG_IALPHAB 5
69 #define I830_CTXREG_STENCILTST 6
70 #define I830_CTXREG_ENABLES_1 7
71 #define I830_CTXREG_ENABLES_2 8
72 #define I830_CTXREG_AA 9
73 #define I830_CTXREG_FOGCOLOR 10
74 #define I830_CTXREG_BLENDCOLOR0 11
75 #define I830_CTXREG_BLENDCOLOR1 12
76 #define I830_CTXREG_VF 13
77 #define I830_CTXREG_VF2 14
78 #define I830_CTXREG_MCSB0 15
79 #define I830_CTXREG_MCSB1 16
80 #define I830_CTX_SETUP_SIZE 17
82 #define I830_STPREG_ST0 0
83 #define I830_STPREG_ST1 1
84 #define I830_STP_SETUP_SIZE 2
86 #define I830_TEXREG_TM0LI 0 /* load immediate 2 texture map n */
87 #define I830_TEXREG_TM0S0 1
88 #define I830_TEXREG_TM0S1 2
89 #define I830_TEXREG_TM0S2 3
90 #define I830_TEXREG_TM0S3 4
91 #define I830_TEXREG_TM0S4 5
92 #define I830_TEXREG_MCS 6 /* _3DSTATE_MAP_COORD_SETS */
93 #define I830_TEXREG_CUBE 7 /* _3DSTATE_MAP_SUBE */
94 #define I830_TEX_SETUP_SIZE 8
96 #define I830_TEXBLEND_SIZE 12 /* (4 args + op) * 2 + COLOR_FACTOR */
98 struct i830_texture_object
100 struct intel_texture_object intel
;
101 GLuint Setup
[I830_TEX_SETUP_SIZE
];
104 #define I830_TEX_UNITS 4
106 struct i830_hw_state
{
107 GLuint Ctx
[I830_CTX_SETUP_SIZE
];
108 GLuint Buffer
[I830_DEST_SETUP_SIZE
];
109 GLuint Stipple
[I830_STP_SETUP_SIZE
];
110 GLuint Tex
[I830_TEX_UNITS
][I830_TEX_SETUP_SIZE
];
111 GLuint TexBlend
[I830_TEX_UNITS
][I830_TEXBLEND_SIZE
];
112 GLuint TexBlendWordsUsed
[I830_TEX_UNITS
];
113 GLuint emitted
; /* I810_UPLOAD_* */
119 struct intel_context intel
;
123 struct i830_hw_state meta
, initial
, state
, *current
;
126 typedef struct i830_context
*i830ContextPtr
;
127 typedef struct i830_texture_object
*i830TextureObjectPtr
;
129 #define I830_CONTEXT(ctx) ((i830ContextPtr)(ctx))
133 #define I830_STATECHANGE(i830, flag) \
135 INTEL_FIREVERTICES( &i830->intel ); \
136 i830->state.emitted &= ~flag; \
139 #define I830_ACTIVESTATE(i830, flag, mode) \
141 INTEL_FIREVERTICES( &i830->intel ); \
143 i830->state.active |= flag; \
145 i830->state.active &= ~flag; \
151 i830InitVtbl( i830ContextPtr i830
);
156 i830CreateContext( const __GLcontextModes
*mesaVis
,
157 __DRIcontextPrivate
*driContextPriv
,
158 void *sharedContextPrivate
);
160 /* i830_tex.c, i830_texstate.c
163 i830UpdateTextureState( intelContextPtr intel
);
166 i830InitTextureFuncs( struct dd_function_table
*functions
);
168 extern intelTextureObjectPtr
169 i830AllocTexObj( struct gl_texture_object
*tObj
);
173 extern GLuint
i830SetTexEnvCombine(i830ContextPtr i830
,
174 const struct gl_tex_env_combine_state
* combine
, GLint blendUnit
,
175 GLuint texel_op
, GLuint
*state
, const GLfloat
*factor
);
178 i830EmitTextureBlend( i830ContextPtr i830
);
184 i830InitStateFuncs( struct dd_function_table
*functions
);
187 i830EmitState( i830ContextPtr i830
);
190 i830InitState( i830ContextPtr i830
);
195 i830TryTextureReadPixels( GLcontext
*ctx
,
196 GLint x
, GLint y
, GLsizei width
, GLsizei height
,
197 GLenum format
, GLenum type
,
198 const struct gl_pixelstore_attrib
*pack
,
202 i830TryTextureDrawPixels( GLcontext
*ctx
,
203 GLint x
, GLint y
, GLsizei width
, GLsizei height
,
204 GLenum format
, GLenum type
,
205 const struct gl_pixelstore_attrib
*unpack
,
206 const GLvoid
*pixels
);
209 i830ClearWithTris( intelContextPtr intel
, GLbitfield mask
,
210 GLboolean all
, GLint cx
, GLint cy
, GLint cw
, GLint ch
);