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_DESTREG_DRAWRECT0 12
69 #define I915_DESTREG_DRAWRECT1 13
70 #define I915_DESTREG_DRAWRECT2 14
71 #define I915_DESTREG_DRAWRECT3 15
72 #define I915_DESTREG_DRAWRECT4 16
73 #define I915_DESTREG_DRAWRECT5 17
74 #define I915_DEST_SETUP_SIZE 18
76 #define I915_CTXREG_STATE4 0
77 #define I915_CTXREG_LI 1
78 #define I915_CTXREG_LIS2 2
79 #define I915_CTXREG_LIS4 3
80 #define I915_CTXREG_LIS5 4
81 #define I915_CTXREG_LIS6 5
82 #define I915_CTXREG_IAB 6
83 #define I915_CTXREG_BLENDCOLOR0 7
84 #define I915_CTXREG_BLENDCOLOR1 8
85 #define I915_CTX_SETUP_SIZE 9
87 #define I915_FOGREG_COLOR 0
88 #define I915_FOGREG_MODE0 1
89 #define I915_FOGREG_MODE1 2
90 #define I915_FOGREG_MODE2 3
91 #define I915_FOGREG_MODE3 4
92 #define I915_FOG_SETUP_SIZE 5
94 #define I915_STPREG_ST0 0
95 #define I915_STPREG_ST1 1
96 #define I915_STP_SETUP_SIZE 2
98 #define I915_TEXREG_MS3 1
99 #define I915_TEXREG_MS4 2
100 #define I915_TEXREG_SS2 3
101 #define I915_TEXREG_SS3 4
102 #define I915_TEXREG_SS4 5
103 #define I915_TEX_SETUP_SIZE 6
105 #define I915_DEFREG_C0 0
106 #define I915_DEFREG_C1 1
107 #define I915_DEFREG_S0 2
108 #define I915_DEFREG_S1 3
109 #define I915_DEFREG_Z0 4
110 #define I915_DEFREG_Z1 5
111 #define I915_DEF_SETUP_SIZE 6
114 #define I915_MAX_CONSTANT 32
115 #define I915_CONSTANT_SIZE (2+(4*I915_MAX_CONSTANT))
118 #define I915_PROGRAM_SIZE 192
120 #define I915_MAX_INSN (I915_MAX_TEX_INSN+I915_MAX_ALU_INSN)
122 /* Hardware version of a parsed fragment program. "Derived" from the
123 * mesa fragment_program struct.
125 struct i915_fragment_program
127 struct gl_fragment_program FragProg
;
129 GLboolean translated
;
130 GLboolean params_uptodate
;
131 GLboolean on_hardware
;
132 GLboolean error
; /* If program is malformed for any reason. */
134 /** Record of which phases R registers were last written in. */
135 GLuint register_phases
[16];
137 GLuint nr_tex_indirect
;
145 /* TODO: split between the stored representation of a program and
146 * the state used to build that representation.
150 GLuint declarations
[I915_PROGRAM_SIZE
];
151 GLuint program
[I915_PROGRAM_SIZE
];
153 GLfloat constant
[I915_MAX_CONSTANT
][4];
154 GLuint constant_flags
[I915_MAX_CONSTANT
];
157 GLuint
*csr
; /* Cursor, points into program.
160 GLuint
*decl
; /* Cursor, points into declarations.
163 GLuint decl_s
; /* flags for which s regs need to be decl'd */
164 GLuint decl_t
; /* flags for which t regs need to be decl'd */
166 GLuint temp_flag
; /* Tracks temporary regs which are in
170 GLuint utemp_flag
; /* Tracks TYPE_U temporary regs which are in
175 /* Track which R registers are "live" for each instruction.
176 * A register is live between the time it's written to and the last time
178 GLuint usedRegs
[I915_MAX_INSN
];
180 /* Helpers for i915_fragprog.c:
183 GLboolean depth_written
;
187 GLuint reg
; /* Hardware constant idx */
188 const GLfloat
*values
; /* Pointer to tracked values */
189 } param
[I915_MAX_CONSTANT
];
199 #define I915_TEX_UNITS 8
204 GLuint Ctx
[I915_CTX_SETUP_SIZE
];
205 GLuint Buffer
[I915_DEST_SETUP_SIZE
];
206 GLuint Stipple
[I915_STP_SETUP_SIZE
];
207 GLuint Fog
[I915_FOG_SETUP_SIZE
];
208 GLuint Defaults
[I915_DEF_SETUP_SIZE
];
209 GLuint Tex
[I915_TEX_UNITS
][I915_TEX_SETUP_SIZE
];
210 GLuint Constant
[I915_CONSTANT_SIZE
];
212 GLuint Program
[I915_PROGRAM_SIZE
];
215 /* Region pointers for relocation:
217 struct intel_region
*draw_region
;
218 struct intel_region
*depth_region
;
219 /* struct intel_region *tex_region[I915_TEX_UNITS]; */
221 /* Regions aren't actually that appropriate here as the memory may
222 * be from a PBO or FBO. Will have to do this for draw and depth for
225 dri_bo
*tex_buffer
[I915_TEX_UNITS
];
226 GLuint tex_offset
[I915_TEX_UNITS
];
229 GLuint active
; /* I915_UPLOAD_* */
230 GLuint emitted
; /* I915_UPLOAD_* */
233 #define I915_FOG_PIXEL 2
234 #define I915_FOG_VERTEX 1
235 #define I915_FOG_NONE 0
239 struct intel_context intel
;
241 GLuint last_ReallyEnabled
;
243 GLuint lodbias_ss2
[MAX_TEXTURE_UNITS
];
246 struct i915_fragment_program
*current_program
;
248 struct i915_hw_state meta
, initial
, state
, *current
;
252 #define I915_STATECHANGE(i915, flag) \
254 INTEL_FIREVERTICES( &(i915)->intel ); \
255 (i915)->state.emitted &= ~(flag); \
258 #define I915_ACTIVESTATE(i915, flag, mode) \
260 INTEL_FIREVERTICES( &(i915)->intel ); \
262 (i915)->state.active |= (flag); \
264 (i915)->state.active &= ~(flag); \
268 /*======================================================================
271 extern void i915InitVtbl(struct i915_context
*i915
);
274 i915_state_draw_region(struct intel_context
*intel
,
275 struct i915_hw_state
*state
,
276 struct intel_region
*color_region
,
277 struct intel_region
*depth_region
);
281 #define SZ_TO_HW(sz) ((sz-2)&0x3)
282 #define EMIT_SZ(sz) (EMIT_1F + (sz) - 1)
283 #define EMIT_ATTR( ATTR, STYLE, S4, SZ ) \
285 intel->vertex_attrs[intel->vertex_attr_count].attrib = (ATTR); \
286 intel->vertex_attrs[intel->vertex_attr_count].format = (STYLE); \
288 intel->vertex_attr_count++; \
292 #define EMIT_PAD( N ) \
294 intel->vertex_attrs[intel->vertex_attr_count].attrib = 0; \
295 intel->vertex_attrs[intel->vertex_attr_count].format = EMIT_PAD; \
296 intel->vertex_attrs[intel->vertex_attr_count].offset = (N); \
297 intel->vertex_attr_count++; \
303 /*======================================================================
306 extern GLboolean
i915CreateContext(const __GLcontextModes
* mesaVis
,
307 __DRIcontextPrivate
* driContextPriv
,
308 void *sharedContextPrivate
);
311 /*======================================================================
314 extern void i915_disassemble_program(const GLuint
* program
, GLuint sz
);
315 extern void i915_print_ureg(const char *msg
, GLuint ureg
);
318 /*======================================================================
321 extern void i915InitStateFunctions(struct dd_function_table
*functions
);
322 extern void i915InitState(struct i915_context
*i915
);
323 extern void i915_update_fog(GLcontext
* ctx
);
326 /*======================================================================
329 extern void i915UpdateTextureState(struct intel_context
*intel
);
330 extern void i915InitTextureFuncs(struct dd_function_table
*functions
);
332 /*======================================================================
335 void i915InitMetaFuncs(struct i915_context
*i915
);
338 /*======================================================================
341 extern void i915ValidateFragmentProgram(struct i915_context
*i915
);
342 extern void i915InitFragProgFuncs(struct dd_function_table
*functions
);
344 /*======================================================================
345 * Inline conversion functions. These are better-typed than the
346 * macros used previously:
348 static INLINE
struct i915_context
*
349 i915_context(GLcontext
* ctx
)
351 return (struct i915_context
*) ctx
;
356 #define I915_CONTEXT(ctx) i915_context(ctx)