2 * Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved.
3 * Copyright 2001-2003 S3 Graphics, Inc. All Rights Reserved.
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sub license,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
12 * The above copyright notice and this permission notice (including the
13 * next paragraph) shall be included in all copies or substantial portions
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
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21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
22 * DEALINGS IN THE SOFTWARE.
33 #include "main/mtypes.h"
35 #include "tnl/t_vertex.h"
37 #include "via_screen.h"
43 /* Chip tags. These are used to group the adapters into
55 #define VIA_FALLBACK_TEXTURE 0x1
56 #define VIA_FALLBACK_DRAW_BUFFER 0x2
57 #define VIA_FALLBACK_READ_BUFFER 0x4
58 #define VIA_FALLBACK_COLORMASK 0x8
59 #define VIA_FALLBACK_SPECULAR 0x20
60 #define VIA_FALLBACK_LOGICOP 0x40
61 #define VIA_FALLBACK_RENDERMODE 0x80
62 #define VIA_FALLBACK_STENCIL 0x100
63 #define VIA_FALLBACK_BLEND_EQ 0x200
64 #define VIA_FALLBACK_BLEND_FUNC 0x400
65 #define VIA_FALLBACK_USER_DISABLE 0x800
66 #define VIA_FALLBACK_PROJ_TEXTURE 0x1000
67 #define VIA_FALLBACK_POLY_STIPPLE 0x2000
69 #define VIA_DMA_BUFSIZ 4096
70 #define VIA_DMA_HIGHWATER (VIA_DMA_BUFSIZ - 128)
72 #define VIA_NO_CLIPRECTS 0x1
75 /* Use the templated vertex formats:
78 #include "tnl_dd/t_dd_vertex.h"
81 typedef void (*via_tri_func)(struct via_context *, viaVertex *, viaVertex *,
83 typedef void (*via_line_func)(struct via_context *, viaVertex *, viaVertex *);
84 typedef void (*via_point_func)(struct via_context *, viaVertex *);
87 * Derived from gl_renderbuffer.
89 struct via_renderbuffer {
90 struct gl_renderbuffer Base; /* must be first! */
98 GLuint orig; /* The drawing origin,
99 * at (drawX,drawY) in screen space.
103 int drawX; /* origin of drawable in draw buffer */
108 __DRIdrawable *dPriv;
112 #define VIA_MAX_TEXLEVELS 10
114 struct via_tex_buffer {
115 struct via_tex_buffer *next, *prev;
116 struct via_texture_image *image;
118 unsigned long offset;
121 unsigned char *bufAddr;
128 struct via_texture_image {
129 struct gl_texture_image image;
130 struct via_tex_buffer *texMem;
134 struct via_texture_object {
135 struct gl_texture_object obj; /* The "parent" object */
141 GLuint regTexWidthLog2[2];
142 GLuint regTexHeightLog2[2];
143 GLuint regTexBaseH[4];
147 } regTexBaseAndPitch[12];
149 GLint firstLevel, lastLevel; /* upload tObj->Image[first .. lastLevel] */
156 struct gl_context *glCtx;
157 struct gl_context *shareCtx;
159 /* XXX These don't belong here. They should be per-drawable state. */
160 struct via_renderbuffer front;
161 struct via_renderbuffer back;
162 struct via_renderbuffer depth;
163 struct via_renderbuffer stencil; /* mirrors depth */
164 struct via_renderbuffer breadcrumb;
168 GLboolean hasStencil;
173 GLboolean have_hw_stencil;
175 GLuint depth_clear_mask;
176 GLuint stencil_clear_mask;
178 GLfloat polygon_offset_scale;
183 /* Bit flag to keep 0track of fallbacks.
187 /* State for via_tris.c.
189 GLuint newState; /* _NEW_* flags */
190 GLuint newEmitState; /* _NEW_* flags */
191 GLuint newRenderState; /* _NEW_* flags */
193 struct tnl_attr_map vertex_attrs[VERT_ATTRIB_MAX];
194 GLuint vertex_attr_count;
198 GLmatrix ViewportMatrix;
199 GLenum renderPrimitive;
202 unsigned char *verts;
204 /* drmBufPtr dma_buffer;
207 GLuint dmaCliprectAddr;
212 /* Fallback rasterization functions
214 via_point_func drawPoint;
215 via_line_func drawLine;
216 via_tri_func drawTri;
238 GLuint regHABLRCbias;
250 GLuint regHTXnCLOD[2];
252 GLuint regHTXnMPMD[2];
253 GLuint regHTXnTBLCsat[2];
254 GLuint regHTXnTBLCop[2];
255 GLuint regHTXnTBLMPfog[2];
256 GLuint regHTXnTBLAsat[2];
257 GLuint regHTXnTBLRCb[2];
258 GLuint regHTXnTBLRAa[2];
259 GLuint regHTXnTBLRFog[2];
260 GLuint regHTXnTBLRCa[2];
261 GLuint regHTXnTBLRCc[2];
262 GLuint regHTXnTBLRCbias[2];
263 GLuint regHTXnTBC[2];
264 GLuint regHTXnTRAH[2];
279 GLboolean doPageFlip;
281 struct via_renderbuffer *drawBuffer;
283 GLuint numClipRects; /* cliprects for that buffer */
284 drm_clip_rect_t *pClipRects;
287 drm_clip_rect_t drawRect;
288 drm_clip_rect_t scissorRect;
290 drm_context_t hHWContext;
291 drm_hw_lock_t *driHwLock;
295 * DRI drawable bound to this context for drawing.
297 __DRIdrawable *driDrawable;
300 * DRI drawable bound to this context for reading.
302 __DRIdrawable *driReadable;
304 __DRIscreen *driScreen;
305 viaScreenPrivate *viaScreen;
306 drm_via_sarea_t *sarea;
307 volatile GLuint* regMMIOBase;
308 volatile GLuint* pnGEMode;
309 volatile GLuint* regEngineStatus;
310 volatile GLuint* regTranSet;
311 volatile GLuint* regTranSpace;
315 GLuint nDoneFirstFlip;
318 GLboolean clearTexCache;
321 /* Configuration cache
323 driOptionCache optionCache;
326 int64_t swap_missed_ust;
329 GLuint swap_missed_count;
332 GLuint pfCurrentOffset;
333 GLboolean allowPageFlip;
335 GLuint lastBreadcrumbRead;
336 GLuint lastBreadcrumbWrite;
340 GLuint total_alloc[VIA_MEM_SYSTEM+1];
342 struct via_tex_buffer tex_image_list[VIA_MEM_SYSTEM+1];
343 struct via_tex_buffer freed_tex_buffers;
349 #define VIA_CONTEXT(ctx) ((struct via_context *)(ctx->DriverCtx))
353 /* Lock the hardware and validate our state.
355 #define LOCK_HARDWARE(vmesa) \
358 DRM_CAS(vmesa->driHwLock, vmesa->hHWContext, \
359 (DRM_LOCK_HELD|vmesa->hHWContext), __ret); \
361 viaGetLock(vmesa, 0); \
365 /* Release the kernel lock.
367 #define UNLOCK_HARDWARE(vmesa) \
368 DRM_UNLOCK(vmesa->driFd, vmesa->driHwLock, vmesa->hHWContext);
372 extern GLuint VIA_DEBUG;
374 #define DEBUG_TEXTURE 0x1
375 #define DEBUG_STATE 0x2
376 #define DEBUG_IOCTL 0x4
377 #define DEBUG_PRIMS 0x8
378 #define DEBUG_VERTS 0x10
379 #define DEBUG_FALLBACKS 0x20
380 #define DEBUG_VERBOSE 0x40
381 #define DEBUG_DRI 0x80
382 #define DEBUG_DMA 0x100
383 #define DEBUG_SANITY 0x200
384 #define DEBUG_SYNC 0x400
385 #define DEBUG_SLEEP 0x800
386 #define DEBUG_PIXEL 0x1000
387 #define DEBUG_2D 0x2000
390 extern void viaGetLock(struct via_context *vmesa, GLuint flags);
391 extern void viaLock(struct via_context *vmesa, GLuint flags);
392 extern void viaUnLock(struct via_context *vmesa, GLuint flags);
393 extern void viaEmitHwStateLocked(struct via_context *vmesa);
394 extern void viaEmitScissorValues(struct via_context *vmesa, int box_nr, int emit);
395 extern void viaXMesaSetBackClipRects(struct via_context *vmesa);
396 extern void viaXMesaSetFrontClipRects(struct via_context *vmesa);
397 extern void viaReAllocateBuffers(struct gl_context *ctx, struct gl_framebuffer *drawbuffer, GLuint width, GLuint height);
398 extern void viaXMesaWindowMoved(struct via_context *vmesa);
400 extern GLboolean viaTexCombineState(struct via_context *vmesa,
401 const struct gl_tex_env_combine_state * combine,
404 /* Via hw already adjusted for GL pixel centers:
409 /* TODO XXX _SOLO temp defines to make code compilable */
410 #ifndef GLX_PBUFFER_BIT
411 #define GLX_PBUFFER_BIT 0x00000004
413 #ifndef GLX_WINDOW_BIT
414 #define GLX_WINDOW_BIT 0x00000001
416 #ifndef VERT_BIT_CLIP
417 #define VERT_BIT_CLIP 0x1000000