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 I915CONTEXT_INC
29 #define I915CONTEXT_INC
31 #include "intel_context.h"
34 #define I915_FALLBACK_TEXTURE 0x1000
35 #define I915_FALLBACK_COLORMASK 0x2000
36 #define I915_FALLBACK_STENCIL 0x4000
37 #define I915_FALLBACK_STIPPLE 0x8000
38 #define I915_FALLBACK_PROGRAM 0x10000
39 #define I915_FALLBACK_LOGICOP 0x20000
40 #define I915_FALLBACK_POLYGON_SMOOTH 0x40000
41 #define I915_FALLBACK_POINT_SMOOTH 0x80000
43 #define I915_UPLOAD_CTX 0x1
44 #define I915_UPLOAD_BUFFERS 0x2
45 #define I915_UPLOAD_STIPPLE 0x4
46 #define I915_UPLOAD_PROGRAM 0x8
47 #define I915_UPLOAD_CONSTANTS 0x10
48 #define I915_UPLOAD_FOG 0x20
49 #define I915_UPLOAD_INVARIENT 0x40
50 #define I915_UPLOAD_DEFAULTS 0x80
51 #define I915_UPLOAD_TEX(i) (0x00010000<<(i))
52 #define I915_UPLOAD_TEX_ALL (0x00ff0000)
53 #define I915_UPLOAD_TEX_0_SHIFT 16
56 /* State structure offsets - these will probably disappear.
58 #define I915_DESTREG_CBUFADDR0 0
59 #define I915_DESTREG_CBUFADDR1 1
60 #define I915_DESTREG_DBUFADDR0 3
61 #define I915_DESTREG_DBUFADDR1 4
62 #define I915_DESTREG_DV0 6
63 #define I915_DESTREG_DV1 7
64 #define I915_DESTREG_SENABLE 8
65 #define I915_DESTREG_SR0 9
66 #define I915_DESTREG_SR1 10
67 #define I915_DESTREG_SR2 11
68 #define I915_DEST_SETUP_SIZE 12
70 #define I915_CTXREG_STATE4 0
71 #define I915_CTXREG_LI 1
72 #define I915_CTXREG_LIS2 2
73 #define I915_CTXREG_LIS4 3
74 #define I915_CTXREG_LIS5 4
75 #define I915_CTXREG_LIS6 5
76 #define I915_CTXREG_IAB 6
77 #define I915_CTXREG_BLENDCOLOR0 7
78 #define I915_CTXREG_BLENDCOLOR1 8
79 #define I915_CTX_SETUP_SIZE 9
81 #define I915_FOGREG_COLOR 0
82 #define I915_FOGREG_MODE0 1
83 #define I915_FOGREG_MODE1 2
84 #define I915_FOGREG_MODE2 3
85 #define I915_FOGREG_MODE3 4
86 #define I915_FOG_SETUP_SIZE 5
88 #define I915_STPREG_ST0 0
89 #define I915_STPREG_ST1 1
90 #define I915_STP_SETUP_SIZE 2
92 #define I915_TEXREG_MS3 1
93 #define I915_TEXREG_MS4 2
94 #define I915_TEXREG_SS2 3
95 #define I915_TEXREG_SS3 4
96 #define I915_TEXREG_SS4 5
97 #define I915_TEX_SETUP_SIZE 6
99 #define I915_DEFREG_C0 0
100 #define I915_DEFREG_C1 1
101 #define I915_DEFREG_S0 2
102 #define I915_DEFREG_S1 3
103 #define I915_DEFREG_Z0 4
104 #define I915_DEFREG_Z1 5
105 #define I915_DEF_SETUP_SIZE 6
108 #define I915_MAX_CONSTANT 32
109 #define I915_CONSTANT_SIZE (2+(4*I915_MAX_CONSTANT))
112 #define I915_PROGRAM_SIZE 192
114 #define I915_MAX_INSN (I915_MAX_TEX_INSN+I915_MAX_ALU_INSN)
116 /* Hardware version of a parsed fragment program. "Derived" from the
117 * mesa fragment_program struct.
119 struct i915_fragment_program
121 struct gl_fragment_program FragProg
;
123 GLboolean translated
;
124 GLboolean params_uptodate
;
125 GLboolean on_hardware
;
126 GLboolean error
; /* If program is malformed for any reason. */
128 GLuint nr_tex_indirect
;
136 /* TODO: split between the stored representation of a program and
137 * the state used to build that representation.
141 GLuint declarations
[I915_PROGRAM_SIZE
];
142 GLuint program
[I915_PROGRAM_SIZE
];
144 GLfloat constant
[I915_MAX_CONSTANT
][4];
145 GLuint constant_flags
[I915_MAX_CONSTANT
];
148 GLuint
*csr
; /* Cursor, points into program.
151 GLuint
*decl
; /* Cursor, points into declarations.
154 GLuint decl_s
; /* flags for which s regs need to be decl'd */
155 GLuint decl_t
; /* flags for which t regs need to be decl'd */
157 GLuint temp_flag
; /* Tracks temporary regs which are in
161 GLuint utemp_flag
; /* Tracks TYPE_U temporary regs which are in
166 /* Track which R registers are "live" for each instruction.
167 * A register is live between the time it's written to and the last time
169 GLuint usedRegs
[I915_MAX_INSN
];
171 /* Helpers for i915_fragprog.c:
174 GLboolean depth_written
;
178 GLuint reg
; /* Hardware constant idx */
179 const GLfloat
*values
; /* Pointer to tracked values */
180 } param
[I915_MAX_CONSTANT
];
190 #define I915_TEX_UNITS 8
195 GLuint Ctx
[I915_CTX_SETUP_SIZE
];
196 GLuint Buffer
[I915_DEST_SETUP_SIZE
];
197 GLuint Stipple
[I915_STP_SETUP_SIZE
];
198 GLuint Fog
[I915_FOG_SETUP_SIZE
];
199 GLuint Defaults
[I915_DEF_SETUP_SIZE
];
200 GLuint Tex
[I915_TEX_UNITS
][I915_TEX_SETUP_SIZE
];
201 GLuint Constant
[I915_CONSTANT_SIZE
];
203 GLuint Program
[I915_PROGRAM_SIZE
];
206 /* Region pointers for relocation:
208 struct intel_region
*draw_region
;
209 struct intel_region
*depth_region
;
210 /* struct intel_region *tex_region[I915_TEX_UNITS]; */
212 /* Regions aren't actually that appropriate here as the memory may
213 * be from a PBO or FBO. Will have to do this for draw and depth for
216 dri_bo
*tex_buffer
[I915_TEX_UNITS
];
217 GLuint tex_offset
[I915_TEX_UNITS
];
220 GLuint active
; /* I915_UPLOAD_* */
221 GLuint emitted
; /* I915_UPLOAD_* */
224 #define I915_FOG_PIXEL 2
225 #define I915_FOG_VERTEX 1
226 #define I915_FOG_NONE 0
230 struct intel_context intel
;
232 GLuint last_ReallyEnabled
;
234 GLuint lodbias_ss2
[MAX_TEXTURE_UNITS
];
237 struct i915_fragment_program
*current_program
;
239 struct i915_hw_state meta
, initial
, state
, *current
;
243 #define I915_STATECHANGE(i915, flag) \
245 INTEL_FIREVERTICES( &(i915)->intel ); \
246 (i915)->state.emitted &= ~(flag); \
249 #define I915_ACTIVESTATE(i915, flag, mode) \
251 INTEL_FIREVERTICES( &(i915)->intel ); \
253 (i915)->state.active |= (flag); \
255 (i915)->state.active &= ~(flag); \
259 /*======================================================================
262 extern void i915InitVtbl(struct i915_context
*i915
);
265 i915_state_draw_region(struct intel_context
*intel
,
266 struct i915_hw_state
*state
,
267 struct intel_region
*color_region
,
268 struct intel_region
*depth_region
);
272 #define SZ_TO_HW(sz) ((sz-2)&0x3)
273 #define EMIT_SZ(sz) (EMIT_1F + (sz) - 1)
274 #define EMIT_ATTR( ATTR, STYLE, S4, SZ ) \
276 intel->vertex_attrs[intel->vertex_attr_count].attrib = (ATTR); \
277 intel->vertex_attrs[intel->vertex_attr_count].format = (STYLE); \
279 intel->vertex_attr_count++; \
283 #define EMIT_PAD( N ) \
285 intel->vertex_attrs[intel->vertex_attr_count].attrib = 0; \
286 intel->vertex_attrs[intel->vertex_attr_count].format = EMIT_PAD; \
287 intel->vertex_attrs[intel->vertex_attr_count].offset = (N); \
288 intel->vertex_attr_count++; \
294 /*======================================================================
297 extern GLboolean
i915CreateContext(const __GLcontextModes
* mesaVis
,
298 __DRIcontextPrivate
* driContextPriv
,
299 void *sharedContextPrivate
);
302 /*======================================================================
305 extern void i915_disassemble_program(const GLuint
* program
, GLuint sz
);
306 extern void i915_print_ureg(const char *msg
, GLuint ureg
);
309 /*======================================================================
312 extern void i915InitStateFunctions(struct dd_function_table
*functions
);
313 extern void i915InitState(struct i915_context
*i915
);
314 extern void i915_update_fog(GLcontext
* ctx
);
317 /*======================================================================
320 extern void i915UpdateTextureState(struct intel_context
*intel
);
321 extern void i915InitTextureFuncs(struct dd_function_table
*functions
);
323 /*======================================================================
326 void i915InitMetaFuncs(struct i915_context
*i915
);
329 /*======================================================================
332 extern void i915ValidateFragmentProgram(struct i915_context
*i915
);
333 extern void i915InitFragProgFuncs(struct dd_function_table
*functions
);
335 /*======================================================================
336 * Inline conversion functions. These are better-typed than the
337 * macros used previously:
339 static INLINE
struct i915_context
*
340 i915_context(GLcontext
* ctx
)
342 return (struct i915_context
*) ctx
;
347 #define I915_CONTEXT(ctx) i915_context(ctx)