1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
|
/*
* GLX Hardware Device Driver for Matrox Millenium G200
* Copyright (C) 1999 Wittawat Yamwong
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* WITTAWAT YAMWONG, OR ANY OTHER CONTRIBUTORS BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE
* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
*
* Wittawat Yamwong <Wittawat.Yamwong@stud.uni-hannover.de>
*/
#ifndef MGALIB_INC
#define MGALIB_INC
#include <X11/Xlibint.h>
#include "dri_tmm.h"
#include "dri_mesaint.h"
#include "dri_mesa.h"
#include "xmesaP.h"
#include "types.h"
#include "mgacommon.h"
#include "mm.h"
#include "mgalog.h"
#include "mgaioctl.h"
#include "mgatex.h"
#include "mgavb.h"
#include "mga_drm_public.h"
#include "mga_xmesa.h"
#define MGA_SET_FIELD(reg,mask,val) reg = ((reg) & (mask)) | ((val) & ~(mask))
#define MGA_FIELD(field,val) (((val) << (field ## _SHIFT)) & ~(field ## _MASK))
#define MGA_GET_FIELD(field, val) ((val & ~(field ## _MASK)) >> (field ## _SHIFT))
#define MGA_IS_G200(mmesa) (mmesa->mgaScreen->chipset == MGA_CARD_TYPE_G200)
#define MGA_IS_G400(mmesa) (mmesa->mgaScreen->chipset == MGA_CARD_TYPE_G400)
/* SoftwareFallback
* - texture env GL_BLEND -- can be fixed
* - 1D and 3D textures
* - incomplete textures
*/
#define MGA_FALLBACK_TEXTURE 0x1
#define MGA_FALLBACK_BUFFER 0x2
#define MGA_FALLBACK_STIPPLE 0x3
/* For mgaCtx->new_state.
*/
#define MGA_NEW_DEPTH 0x1
#define MGA_NEW_ALPHA 0x2
#define MGA_NEW_FOG 0x4
#define MGA_NEW_CLIP 0x8
#define MGA_NEW_MASK 0x10
#define MGA_NEW_TEXTURE 0x20
#define MGA_NEW_CULL 0x40
#define MGA_NEW_WARP 0x80
#define MGA_NEW_CONTEXT 0x100
typedef void (*mga_interp_func)( GLfloat t,
GLfloat *result,
const GLfloat *in,
const GLfloat *out );
/* if type == MGA_COLORBUFFER */
#define MGA_PF_MASK 0xf0
#define MGA_PF_INDEX 0
#define MGA_PF_565 (1 << 4)
#define MGA_PF_555 (9 << 4)
#define MGA_PF_888 (3 << 4)
#define MGA_PF_8888 (10 << 4)
#define MGA_PF_HASALPHA (8 << 4)
struct mga_context_t {
GLcontext *glCtx;
/* Hardware state - moved from mgabuf.h
*/
mgaUI32 Setup[MGA_CTX_SETUP_SIZE];
/* Variable sized vertices
*/
mgaUI32 vertsize;
/* Map GL texture units onto hardware.
*/
mgaUI32 multitex;
mgaUI32 tmu_source[2];
mgaUI32 tex_dest[2];
/* bookkeeping for textureing */
struct mga_texture_object_s TexObjList;
struct mga_texture_object_s SwappedOut;
struct mga_texture_object_s *CurrentTexObj[2];
/* shared texture palette */
mgaUI16 GlobalPalette[256];
mgaUI32 IndirectTriangles;
int Fallback; /* or'ed values of FALLBACK_* */
/* Support for CVA and the fast paths */
unsigned int setupdone;
unsigned int setupindex;
unsigned int renderindex;
unsigned int using_fast_path;
unsigned int using_immediate_fast_path;
mga_interp_func interp;
/* Shortcircuit some state changes */
points_func PointsFunc;
line_func LineFunc;
triangle_func TriangleFunc;
quad_func QuadFunc;
/* Manage our own state */
GLuint new_state;
GLuint dirty;
GLubyte clearcolor[4];
GLushort MonoColor;
GLushort ClearColor;
int scissor;
XF86DRIClipRectRec draw_rect;
XF86DRIClipRectRec scissor_rect;
/* DRI stuff
*/
drmBufPtr vertex_dma_buffer;
drmBufPtr iload_buffer;
GLframebuffer *glBuffer;
memHeap_t *texHeap;
GLuint warp_pipe;
/* These refer to the current draw (front vs. back) buffer:
*/
int drawOffset; /* draw buffer address in agp space */
int drawX; /* origin of drawable in draw buffer */
int drawY;
GLuint numClipRects; /* cliprects for that buffer */
XF86DRIClipRectPtr pClipRects;
int texAge; /* texture LRU age */
int dirtyAge; /* buffer age for synchronization */
int lastSwap; /* throttling runaway apps */
drmContext hHWContext;
drmLock *driHwLock;
int driFd;
Display *display;
__DRIdrawablePrivate *driDrawable;
__DRIscreenPrivate *driScreen;
mgaScreenPrivate *mgaScreen;
drm_mga_sarea_t *sarea;
};
typedef struct {
/* dma stuff */
mgaUI32 systemTexture;
mgaUI32 noSetupDma;
mgaUI32 default32BitTextures;
mgaUI32 swapBuffersCount;
/* options */
mgaUI32 nullprims; /* skip all primitive generation */
mgaUI32 noFallback; /* don't fall back to software, do
best-effort rendering */
mgaUI32 skipDma; /* don't send anything to the hardware */
/* performance counters */
mgaUI32 c_textureUtilization;
mgaUI32 c_textureSwaps;
mgaUI32 c_setupPointers;
mgaUI32 c_triangles;
mgaUI32 c_points;
mgaUI32 c_lines;
mgaUI32 c_drawWaits;
mgaUI32 c_dmaFlush;
mgaUI32 c_overflows;
} mgaGlx_t;
extern mgaGlx_t mgaglx;
#define MGAPACKCOLOR555(r,g,b,a) \
((((r) & 0xf8) << 7) | (((g) & 0xf8) << 2) | (((b) & 0xf8) >> 3) | \
((a) ? 0x8000 : 0))
#define MGAPACKCOLOR565(r,g,b) \
((((r) & 0xf8) << 8) | (((g) & 0xfc) << 3) | (((b) & 0xf8) >> 3))
#define MGAPACKCOLOR888(r,g,b) \
(((r) << 16) | ((g) << 8) | (b))
#define MGAPACKCOLOR8888(r,g,b,a) \
(((a) << 24) | ((r) << 16) | ((g) << 8) | (b))
#define MGAPACKCOLOR4444(r,g,b,a) \
((((a) & 0xf0) << 8) | (((r) & 0xf0) << 4) | ((g) & 0xf0) | ((b) >> 4))
/* #define MGA_DEBUG 0 */
#ifndef MGA_DEBUG
extern int MGA_DEBUG;
#endif
#define DEBUG_ALWAYS_SYNC 0x1
#define DEBUG_VERBOSE_MSG 0x2
#define DEBUG_VERBOSE_LRU 0x4
#define DEBUG_VERBOSE_DRI 0x8
#define DEBUG_VERBOSE_IOCTL 0x10
#define DEBUG_VERBOSE_2D 0x20
static __inline__ mgaUI32 mgaPackColor(mgaUI32 format,
mgaUI8 r, mgaUI8 g,
mgaUI8 b, mgaUI8 a)
{
switch (format & MGA_PF_MASK) {
case MGA_PF_555:
return MGAPACKCOLOR555(r,g,b,a);
case MGA_PF_565:
return MGAPACKCOLOR565(r,g,b);
case MGA_PF_888:
return MGAPACKCOLOR888(r,g,b);
case MGA_PF_8888:
return MGAPACKCOLOR8888(r,g,b,a);
default:
return 0;
}
}
#endif
|
