1 /* $XFree86$ */ /* -*- mode: c; c-basic-offset: 3 -*- */
3 * Copyright 2000 Gareth Hughes
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice (including the next
14 * paragraph) shall be included in all copies or substantial portions of the
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20 * GARETH HUGHES BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
21 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
22 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
27 * Gareth Hughes <gareth@valinux.com>
28 * Leif Delgass <ldelgass@retinalburn.net>
29 * Jos�Fonseca <j_r_fonseca@yahoo.co.uk>
32 #ifndef __MACH64_CONTEXT_H__
33 #define __MACH64_CONTEXT_H__
37 #include "mach64_drm.h"
41 #include "mach64_reg.h"
45 struct mach64_context
;
46 typedef struct mach64_context mach64ContextRec
;
47 typedef struct mach64_context
*mach64ContextPtr
;
49 #include "mach64_lock.h"
50 #include "mach64_screen.h"
52 /* Experimental driver options */
53 #define MACH64_CLIENT_STATE_EMITS 0
55 /* Performace monitoring */
56 #define ENABLE_PERF_BOXES 1
58 /* Native vertex format */
59 #define MACH64_NATIVE_VTXFMT 1
61 /* Flags for what context state needs to be updated:
63 #define MACH64_NEW_ALPHA 0x0001
64 #define MACH64_NEW_DEPTH 0x0002
65 #define MACH64_NEW_FOG 0x0004
66 #define MACH64_NEW_CLIP 0x0008
67 #define MACH64_NEW_CULL 0x0010
68 #define MACH64_NEW_MASKS 0x0020
69 #define MACH64_NEW_RENDER_UNUSED 0x0040
70 #define MACH64_NEW_WINDOW 0x0080
71 #define MACH64_NEW_TEXTURE 0x0100
72 #define MACH64_NEW_CONTEXT 0x0200
73 #define MACH64_NEW_ALL 0x03ff
75 /* Flags for software fallback cases:
77 #define MACH64_FALLBACK_TEXTURE 0x0001
78 #define MACH64_FALLBACK_DRAW_BUFFER 0x0002
79 #define MACH64_FALLBACK_READ_BUFFER 0x0004
80 #define MACH64_FALLBACK_STENCIL 0x0008
81 #define MACH64_FALLBACK_RENDER_MODE 0x0010
82 #define MACH64_FALLBACK_LOGICOP 0x0020
83 #define MACH64_FALLBACK_SEP_SPECULAR 0x0040
84 #define MACH64_FALLBACK_BLEND_EQ 0x0080
85 #define MACH64_FALLBACK_BLEND_FUNC 0x0100
86 #define MACH64_FALLBACK_DISABLE 0x0200
88 #define CARD32 GLuint /* KW: For building in mesa tree */
90 #if MACH64_NATIVE_VTXFMT
92 /* The vertex structures.
95 /* The size of this union is not of relevence:
97 union mach64_vertex_t
{
104 typedef union mach64_vertex_t mach64Vertex
, *mach64VertexPtr
;
108 /* Use the templated vertex format:
110 #define TAG(x) mach64##x
111 #include "tnl_dd/t_dd_vertex.h"
114 #endif /* MACH64_NATIVE_VTXFMT */
116 /* Subpixel offsets for window coordinates:
117 * These are enough to fix most glean tests except polygonOffset.
118 * There are also still some gaps that show in e.g. the tunnel Mesa demo
119 * or the lament xscreensaver hack.
121 #define SUBPIXEL_X (0.0125F)
122 #define SUBPIXEL_Y (0.15F)
125 typedef void (*mach64_tri_func
)( mach64ContextPtr
,
130 typedef void (*mach64_line_func
)( mach64ContextPtr
,
134 typedef void (*mach64_point_func
)( mach64ContextPtr
,
138 struct mach64_texture_object
{
139 driTextureObject base
;
153 /* Have to keep these separate due to how they are programmed.
154 * FIXME: Why don't we just use the tObj values?
156 GLboolean BilinearMin
;
157 GLboolean BilinearMag
;
162 struct mach64_texture_object
{
163 struct mach64_texture_object
*next
;
164 struct mach64_texture_object
*prev
;
165 struct gl_texture_object
*tObj
;
184 /* Have to keep these separate due to how they are programmed.
185 * FIXME: Why don't we just use the tObj values?
187 GLboolean BilinearMin
;
188 GLboolean BilinearMag
;
194 typedef struct mach64_texture_object mach64TexObj
, *mach64TexObjPtr
;
197 struct mach64_context
{
200 /* Driver and hardware state management
203 GLuint dirty
; /* Hardware state to be updated */
204 drm_mach64_context_regs_t setup
;
209 GLuint SetupNewInputs
;
211 GLfloat hw_viewport
[16];
214 GLuint vertex_stride_shift
;
215 GLuint vertex_format
;
219 CARD32 Color
; /* Current draw color */
220 CARD32 ClearColor
; /* Color used to clear color buffer */
221 CARD32 ClearDepth
; /* Value used to clear depth buffer */
223 /* Map GL texture units onto hardware
229 /* Texture object bookkeeping
231 mach64TexObjPtr CurrentTexObj
[2];
234 driTexHeap
* texture_heaps
[ R128_NR_TEX_HEAPS
];
235 driTextureObject swapped
;
237 mach64TexObj TexObjList
[MACH64_NR_TEX_HEAPS
];
238 mach64TexObj SwappedOut
;
239 memHeap_t
*texHeap
[MACH64_NR_TEX_HEAPS
];
240 GLuint lastTexAge
[MACH64_NR_TEX_HEAPS
];
241 GLint firstTexHeap
, lastTexHeap
;
244 /* Fallback rasterization functions
246 mach64_point_func draw_point
;
247 mach64_line_func draw_line
;
248 mach64_tri_func draw_tri
;
251 GLfloat backface_sign
;
260 GLenum render_primitive
;
262 /* Visual, drawable, cliprect and scissor information
264 GLint drawOffset
, drawPitch
;
265 GLint drawX
, drawY
; /* origin of drawable in draw buffer */
266 GLint readOffset
, readPitch
;
268 GLuint numClipRects
; /* Cliprects for the draw buffer */
269 drm_clip_rect_t
*pClipRects
;
272 drm_clip_rect_t ScissorRect
; /* Current software scissor */
274 /* Mirrors of some DRI state
276 __DRIcontextPrivate
*driContext
; /* DRI context */
277 __DRIscreenPrivate
*driScreen
; /* DRI screen */
278 __DRIdrawablePrivate
*driDrawable
; /* DRI drawable bound to this ctx */
280 unsigned int lastStamp
; /* mirror driDrawable->lastStamp */
282 drm_context_t hHWContext
;
283 drm_hw_lock_t
*driHwLock
;
286 mach64ScreenPtr mach64Screen
; /* Screen private DRI data */
287 drm_mach64_sarea_t
*sarea
; /* Private SAREA data */
289 GLuint hardwareWentIdle
;
291 #if ENABLE_PERF_BOXES
292 /* Performance counters
294 GLuint boxes
; /* Draw performance boxes */
297 GLuint c_textureSwaps
;
298 GLuint c_textureBytes
;
299 GLuint c_agpTextureBytes
;
301 GLuint c_texsrc_card
;
302 GLuint c_vertexBuffers
;
311 /* Configuration cache
313 driOptionCache optionCache
;
316 #define MACH64_CONTEXT(ctx) ((mach64ContextPtr)(ctx->DriverCtx))
319 extern GLboolean
mach64CreateContext( const __GLcontextModes
*glVisual
,
320 __DRIcontextPrivate
*driContextPriv
,
321 void *sharedContextPrivate
);
323 extern void mach64DestroyContext( __DRIcontextPrivate
* );
325 extern GLboolean
mach64MakeCurrent( __DRIcontextPrivate
*driContextPriv
,
326 __DRIdrawablePrivate
*driDrawPriv
,
327 __DRIdrawablePrivate
*driReadPriv
);
329 extern GLboolean
mach64UnbindContext( __DRIcontextPrivate
*driContextPriv
);
331 /* ================================================================
334 #if MESA_LITTLE_ENDIAN == 1
335 #define LE32_IN( x ) ( *(GLuint *)(x) )
336 #define LE32_IN_FLOAT( x ) ( *(GLfloat *)(x) )
337 #define LE32_OUT( x, y ) do { *(GLuint *)(x) = (y); } while (0)
338 #define LE32_OUT_FLOAT( x, y ) do { *(GLfloat *)(x) = (y); } while (0)
340 #include <byteswap.h>
341 #define LE32_IN( x ) bswap_32( *(GLuint *)(x) )
342 #define LE32_IN_FLOAT( x ) \
344 GLuint __tmp = bswap_32( *(GLuint *)(x) ); \
345 *(GLfloat *)&__tmp; \
347 #define LE32_OUT( x, y ) do { *(GLuint *)(x) = bswap_32( y ); } while (0)
348 #define LE32_OUT_FLOAT( x, y ) \
351 *(GLfloat *)&__tmp = (y); \
352 *(GLuint *)(x) = bswap_32( __tmp ); \
356 /* ================================================================
360 #define DMALOCALS CARD32 *buf=NULL; int requested=0; int outcount=0
362 /* called while locked for interleaved client-side state emits */
363 #define DMAGETPTR( dwords ) \
365 requested = (dwords); \
366 buf = (CARD32 *)mach64AllocDmaLocked( mmesa, ((dwords)*4) ); \
370 #define DMAOUTREG( reg, val ) \
372 LE32_OUT( &buf[outcount++], ADRINDEX( reg ) ); \
373 LE32_OUT( &buf[outcount++], ( val ) ); \
376 #define DMAADVANCE() \
378 if (outcount < requested) { \
379 mmesa->vert_used -= (requested - outcount) * 4; \
383 /* ================================================================
390 extern int MACH64_DEBUG
;
392 #define MACH64_DEBUG 0
395 #define DEBUG_ALWAYS_SYNC 0x001
396 #define DEBUG_VERBOSE_API 0x002
397 #define DEBUG_VERBOSE_MSG 0x004
398 #define DEBUG_VERBOSE_LRU 0x008
399 #define DEBUG_VERBOSE_DRI 0x010
400 #define DEBUG_VERBOSE_IOCTL 0x020
401 #define DEBUG_VERBOSE_PRIMS 0x040
402 #define DEBUG_VERBOSE_COUNT 0x080
403 #define DEBUG_NOWAIT 0x100
404 #define DEBUG_VERBOSE_FALLBACK 0x200
405 #endif /* __MACH64_CONTEXT_H__ */