| /* |
| * Copyright 2000-2001 VA Linux Systems, Inc. |
| * All Rights Reserved. |
| * |
| * 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 |
| * on the rights to use, copy, modify, merge, publish, distribute, sub |
| * license, 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 (including the next |
| * paragraph) 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 NON-INFRINGEMENT. IN NO EVENT SHALL |
| * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS 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. |
| * |
| * Authors: |
| * Keith Whitwell <keith@tungstengraphics.com> |
| */ |
| /* $XFree86: xc/lib/GL/mesa/src/drv/mga/mga_xmesa.h,v 1.12 2002/12/16 16:18:52 dawes Exp $ */ |
| |
| #ifndef _MGA_INIT_H_ |
| #define _MGA_INIT_H_ |
| |
| #include <sys/time.h> |
| #include "dri_util.h" |
| #include "mga_drm.h" |
| #include "mtypes.h" |
| #include "mgaregs.h" |
| #include "xmlconfig.h" |
| |
| typedef struct mga_screen_private_s { |
| /** |
| * Chipset "family" of this card. Currently only \c MGA_CARD_TYPE_G200 and |
| * \c MGA_CARD_TYPE_G400 are possible. |
| */ |
| int chipset; |
| |
| |
| /** |
| * Characters (bytes) per-pixel for both the front and back buffers. |
| * |
| * \note |
| * This is also implicitly the bytes per-pixel for the depth-buffer. |
| */ |
| int cpp; |
| |
| GLint agpMode; |
| unsigned int irq; /**< IRQ number (0 means none) */ |
| |
| unsigned int frontOffset; |
| unsigned int frontPitch; |
| unsigned int backOffset; |
| unsigned int backPitch; |
| |
| unsigned int depthOffset; |
| unsigned int depthPitch; |
| |
| unsigned int textureOffset[MGA_NR_TEX_HEAPS]; |
| unsigned int textureSize[MGA_NR_TEX_HEAPS]; |
| char *texVirtual[MGA_NR_TEX_HEAPS]; |
| |
| |
| __DRIscreenPrivate *sPriv; |
| drmBufMapPtr bufs; |
| |
| drmRegion mmio; |
| drmRegion primary; |
| unsigned int sarea_priv_offset; |
| |
| /** Configuration cache with default values for all contexts */ |
| driOptionCache optionCache; |
| } mgaScreenPrivate; |
| |
| |
| /** |
| * mgaRenderbuffer, derived from Mesa's gl_renderbuffer |
| */ |
| typedef struct { |
| struct gl_renderbuffer Base; |
| /* XXX per-window info should go here */ |
| int foo, bar; |
| } mgaRenderbuffer; |
| |
| |
| |
| #include "mgacontext.h" |
| |
| extern void mgaGetLock( mgaContextPtr mmesa, GLuint flags ); |
| extern void mgaEmitHwStateLocked( mgaContextPtr mmesa ); |
| extern void mgaEmitScissorValues( mgaContextPtr mmesa, int box_nr, int emit ); |
| |
| #define GET_DISPATCH_AGE( mmesa ) mmesa->sarea->last_dispatch |
| |
| |
| |
| /* Lock the hardware and validate our state. |
| */ |
| #define LOCK_HARDWARE( mmesa ) \ |
| do { \ |
| char __ret=0; \ |
| DRM_CAS(mmesa->driHwLock, mmesa->hHWContext, \ |
| (DRM_LOCK_HELD|mmesa->hHWContext), __ret); \ |
| if (__ret) \ |
| mgaGetLock( mmesa, 0 ); \ |
| } while (0) |
| |
| |
| /* |
| */ |
| #define LOCK_HARDWARE_QUIESCENT( mmesa ) do { \ |
| LOCK_HARDWARE( mmesa ); \ |
| UPDATE_LOCK( mmesa, DRM_LOCK_QUIESCENT | DRM_LOCK_FLUSH ); \ |
| } while (0) |
| |
| |
| /* Unlock the hardware using the global current context |
| */ |
| #define UNLOCK_HARDWARE(mmesa) \ |
| DRM_UNLOCK(mmesa->driFd, mmesa->driHwLock, mmesa->hHWContext); |
| |
| |
| /* Freshen our snapshot of the drawables |
| */ |
| #define REFRESH_DRAWABLE_INFO( mmesa ) \ |
| do { \ |
| LOCK_HARDWARE( mmesa ); \ |
| mmesa->lastX = mmesa->drawX; \ |
| mmesa->lastY = mmesa->drawY; \ |
| UNLOCK_HARDWARE( mmesa ); \ |
| } while (0) |
| |
| |
| #define GET_DRAWABLE_LOCK( mmesa ) while(0) |
| #define RELEASE_DRAWABLE_LOCK( mmesa ) while(0) |
| |
| |
| /* The 2D driver macros are busted -- we can't use them here as they |
| * rely on the 2D driver data structures rather than taking an explicit |
| * base address. |
| */ |
| #define MGA_BASE( reg ) ((unsigned long)(mmesa->mgaScreen->mmio.map)) |
| #define MGA_ADDR( reg ) (MGA_BASE(reg) + reg) |
| |
| #define MGA_DEREF( reg ) *(volatile u_int32_t *)MGA_ADDR( reg ) |
| #define MGA_READ( reg ) MGA_DEREF( reg ) |
| |
| #endif |
