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"
33 #define I915_FALLBACK_TEXTURE 0x1000
34 #define I915_FALLBACK_COLORMASK 0x2000
35 #define I915_FALLBACK_STENCIL 0x4000
36 #define I915_FALLBACK_STIPPLE 0x8000
37 #define I915_FALLBACK_PROGRAM 0x10000
38 #define I915_FALLBACK_LOGICOP 0x20000
40 #define I915_UPLOAD_CTX 0x1
41 #define I915_UPLOAD_BUFFERS 0x2
42 #define I915_UPLOAD_STIPPLE 0x4
43 #define I915_UPLOAD_PROGRAM 0x8
44 #define I915_UPLOAD_CONSTANTS 0x10
45 #define I915_UPLOAD_FOG 0x20
46 #define I915_UPLOAD_TEX(i) (0x00010000<<(i))
47 #define I915_UPLOAD_TEX_ALL (0x00ff0000)
48 #define I915_UPLOAD_TEX_0_SHIFT 16
51 /* State structure offsets - these will probably disappear.
53 #define I915_DESTREG_CBUFADDR0 0
54 #define I915_DESTREG_CBUFADDR1 1
55 #define I915_DESTREG_CBUFADDR2 2
56 #define I915_DESTREG_DBUFADDR0 3
57 #define I915_DESTREG_DBUFADDR1 4
58 #define I915_DESTREG_DBUFADDR2 5
59 #define I915_DESTREG_DV0 6
60 #define I915_DESTREG_DV1 7
61 #define I915_DESTREG_SENABLE 8
62 #define I915_DESTREG_SR0 9
63 #define I915_DESTREG_SR1 10
64 #define I915_DESTREG_SR2 11
65 #define I915_DEST_SETUP_SIZE 12
67 #define I915_CTXREG_STATE4 0
68 #define I915_CTXREG_LI 1
69 #define I915_CTXREG_LIS2 2
70 #define I915_CTXREG_LIS4 3
71 #define I915_CTXREG_LIS5 4
72 #define I915_CTXREG_LIS6 5
73 #define I915_CTXREG_IAB 6
74 #define I915_CTXREG_BLENDCOLOR0 7
75 #define I915_CTXREG_BLENDCOLOR1 8
76 #define I915_CTX_SETUP_SIZE 9
78 #define I915_FOGREG_COLOR 0
79 #define I915_FOGREG_MODE0 1
80 #define I915_FOGREG_MODE1 2
81 #define I915_FOGREG_MODE2 3
82 #define I915_FOGREG_MODE3 4
83 #define I915_FOG_SETUP_SIZE 5
85 #define I915_STPREG_ST0 0
86 #define I915_STPREG_ST1 1
87 #define I915_STP_SETUP_SIZE 2
89 #define I915_TEXREG_MS2 0
90 #define I915_TEXREG_MS3 1
91 #define I915_TEXREG_MS4 2
92 #define I915_TEXREG_SS2 3
93 #define I915_TEXREG_SS3 4
94 #define I915_TEXREG_SS4 5
95 #define I915_TEX_SETUP_SIZE 6
97 #define I915_MAX_CONSTANT 32
98 #define I915_CONSTANT_SIZE (2+(4*I915_MAX_CONSTANT))
101 #define I915_PROGRAM_SIZE 192
104 /* Hardware version of a parsed fragment program. "Derived" from the
105 * mesa fragment_program struct.
107 struct i915_fragment_program
{
108 struct fragment_program FragProg
;
110 GLboolean translated
;
111 GLboolean params_uptodate
;
112 GLboolean on_hardware
;
113 GLboolean error
; /* If program is malformed for any reason. */
115 GLuint nr_tex_indirect
;
123 /* TODO: split between the stored representation of a program and
124 * the state used to build that representation.
128 GLuint declarations
[I915_PROGRAM_SIZE
];
129 GLuint program
[I915_PROGRAM_SIZE
];
131 GLfloat constant
[I915_MAX_CONSTANT
][4];
132 GLuint constant_flags
[I915_MAX_CONSTANT
];
135 GLuint
*csr
; /* Cursor, points into program.
138 GLuint
*decl
; /* Cursor, points into declarations.
141 GLuint decl_s
; /* flags for which s regs need to be decl'd */
142 GLuint decl_t
; /* flags for which t regs need to be decl'd */
144 GLuint temp_flag
; /* Tracks temporary regs which are in
148 GLuint utemp_flag
; /* Tracks TYPE_U temporary regs which are in
154 /* Helpers for i915_fragprog.c:
157 GLboolean depth_written
;
160 GLuint reg
; /* Hardware constant idx */
161 const GLfloat
*values
; /* Pointer to tracked values */
162 } param
[I915_MAX_CONSTANT
];
168 /* Helpers for i915_texprog.c:
170 GLuint src_texture
; /* Reg containing sampled texture color,
174 GLuint src_previous
; /* Reg containing color from previous
175 * stage. May need to be decl'd.
178 GLuint last_tex_stage
; /* Number of last enabled texture unit */
180 struct vertex_buffer
*VB
;
188 struct i915_texture_object
190 struct intel_texture_object intel
;
192 GLboolean refs_border_color
;
193 GLuint Setup
[I915_TEX_SETUP_SIZE
];
196 #define I915_TEX_UNITS 8
199 struct i915_hw_state
{
200 GLuint Ctx
[I915_CTX_SETUP_SIZE
];
201 GLuint Buffer
[I915_DEST_SETUP_SIZE
];
202 GLuint Stipple
[I915_STP_SETUP_SIZE
];
203 GLuint Fog
[I915_FOG_SETUP_SIZE
];
204 GLuint Tex
[I915_TEX_UNITS
][I915_TEX_SETUP_SIZE
];
205 GLuint Constant
[I915_CONSTANT_SIZE
];
207 GLuint Program
[I915_PROGRAM_SIZE
];
209 GLuint active
; /* I915_UPLOAD_* */
210 GLuint emitted
; /* I915_UPLOAD_* */
213 #define I915_FOG_PIXEL 2
214 #define I915_FOG_VERTEX 1
215 #define I915_FOG_NONE 0
219 struct intel_context intel
;
221 GLuint last_ReallyEnabled
;
224 struct i915_fragment_program tex_program
;
225 struct i915_fragment_program
*current_program
;
227 struct i915_hw_state meta
, initial
, state
, *current
;
231 typedef struct i915_context
*i915ContextPtr
;
232 typedef struct i915_texture_object
*i915TextureObjectPtr
;
234 #define I915_CONTEXT(ctx) ((i915ContextPtr)(ctx))
238 #define I915_STATECHANGE(i915, flag) \
240 if (0) fprintf(stderr, "I915_STATECHANGE %x in %s\n", flag, __FUNCTION__); \
241 INTEL_FIREVERTICES( &(i915)->intel ); \
242 (i915)->state.emitted &= ~(flag); \
245 #define I915_ACTIVESTATE(i915, flag, mode) \
247 if (0) fprintf(stderr, "I915_ACTIVESTATE %x %d in %s\n", \
248 flag, mode, __FUNCTION__); \
249 INTEL_FIREVERTICES( &(i915)->intel ); \
251 (i915)->state.active |= (flag); \
253 (i915)->state.active &= ~(flag); \
257 /*======================================================================
260 extern void i915InitVtbl( i915ContextPtr i915
);
264 #define SZ_TO_HW(sz) ((sz-2)&0x3)
265 #define EMIT_SZ(sz) (EMIT_1F + (sz) - 1)
266 #define EMIT_ATTR( ATTR, STYLE, S4, SZ ) \
268 intel->vertex_attrs[intel->vertex_attr_count].attrib = (ATTR); \
269 intel->vertex_attrs[intel->vertex_attr_count].format = (STYLE); \
271 intel->vertex_attr_count++; \
275 #define EMIT_PAD( N ) \
277 intel->vertex_attrs[intel->vertex_attr_count].attrib = 0; \
278 intel->vertex_attrs[intel->vertex_attr_count].format = EMIT_PAD; \
279 intel->vertex_attrs[intel->vertex_attr_count].offset = (N); \
280 intel->vertex_attr_count++; \
286 /*======================================================================
289 extern GLboolean
i915CreateContext( const __GLcontextModes
*mesaVis
,
290 __DRIcontextPrivate
*driContextPriv
,
291 void *sharedContextPrivate
);
294 /*======================================================================
297 extern void i915ValidateTextureProgram( i915ContextPtr i915
);
300 /*======================================================================
303 extern void i915_disassemble_program( const GLuint
*program
, GLuint sz
);
304 extern void i915_print_ureg( const char *msg
, GLuint ureg
);
307 /*======================================================================
310 extern void i915InitStateFunctions( struct dd_function_table
*functions
);
311 extern void i915InitState( i915ContextPtr i915
);
314 /*======================================================================
317 extern void i915UpdateTextureState( intelContextPtr intel
);
318 extern void i915InitTextureFuncs( struct dd_function_table
*functions
);
319 extern intelTextureObjectPtr
i915AllocTexObj( struct gl_texture_object
*texObj
);
321 /*======================================================================
325 i915TryTextureReadPixels( GLcontext
*ctx
,
326 GLint x
, GLint y
, GLsizei width
, GLsizei height
,
327 GLenum format
, GLenum type
,
328 const struct gl_pixelstore_attrib
*pack
,
332 i915TryTextureDrawPixels( GLcontext
*ctx
,
333 GLint x
, GLint y
, GLsizei width
, GLsizei height
,
334 GLenum format
, GLenum type
,
335 const struct gl_pixelstore_attrib
*unpack
,
336 const GLvoid
*pixels
);
339 i915ClearWithTris( intelContextPtr intel
, GLbitfield mask
,
340 GLboolean all
, GLint cx
, GLint cy
, GLint cw
, GLint ch
);
343 /*======================================================================
346 extern void i915ValidateFragmentProgram( i915ContextPtr i915
);
347 extern void i915InitFragProgFuncs( struct dd_function_table
*functions
);