-/* $XFree86: xc/lib/GL/mesa/src/drv/radeon/radeon_lock.c,v 1.5 2002/10/30 12:51:55 alanh Exp $ */
/**************************************************************************
Copyright 2000, 2001 ATI Technologies Inc., Ontario, Canada, and
VA Linux Systems Inc., Fremont, California.
+Copyright (C) The Weather Channel, Inc. 2002. All Rights Reserved.
+
+The Weather Channel (TM) funded Tungsten Graphics to develop the
+initial release of the Radeon 8500 driver under the XFree86 license.
+This notice must be preserved.
All Rights Reserved.
/*
* Authors:
- * Kevin E. Martin <martin@valinux.com>
* Gareth Hughes <gareth@valinux.com>
+ * Keith Whitwell <keith@tungstengraphics.com>
+ * Kevin E. Martin <martin@valinux.com>
*/
-#include "glheader.h"
-#include "radeon_context.h"
+#include "main/glheader.h"
+#include "main/mtypes.h"
+#include "main/colormac.h"
+#include "dri_util.h"
+#include "radeon_screen.h"
+#include "radeon_common.h"
#include "radeon_lock.h"
-#include "radeon_tex.h"
-#include "radeon_state.h"
-#include "radeon_ioctl.h"
-
-#if DEBUG_LOCKING
-char *prevLockFile = NULL;
-int prevLockLine = 0;
-#endif
-
-/* Turn on/off page flipping according to the flags in the sarea:
- */
-static void
-radeonUpdatePageFlipping( radeonContextPtr rmesa )
-{
- int use_back;
-
-
- rmesa->doPageFlip = rmesa->sarea->pfState;
-
- use_back = (rmesa->glCtx->Color._DrawDestMask[0] == DD_BACK_LEFT_BIT);
- use_back ^= (rmesa->sarea->pfCurrentPage == 1);
-
- if ( RADEON_DEBUG & DEBUG_VERBOSE )
- fprintf(stderr, "%s allow %d current %d\n", __FUNCTION__,
- rmesa->doPageFlip,
- rmesa->sarea->pfCurrentPage );
-
- if ( use_back ) {
- rmesa->state.color.drawOffset = rmesa->radeonScreen->backOffset;
- rmesa->state.color.drawPitch = rmesa->radeonScreen->backPitch;
- } else {
- rmesa->state.color.drawOffset = rmesa->radeonScreen->frontOffset;
- rmesa->state.color.drawPitch = rmesa->radeonScreen->frontPitch;
- }
-
- RADEON_STATECHANGE( rmesa, ctx );
- rmesa->hw.ctx.cmd[CTX_RB3D_COLOROFFSET] = rmesa->state.color.drawOffset
- + rmesa->radeonScreen->fbLocation;
- rmesa->hw.ctx.cmd[CTX_RB3D_COLORPITCH] = rmesa->state.color.drawPitch;
-}
-
-
+#include "drirenderbuffer.h"
/* Update the hardware state. This is called if another context has
* grabbed the hardware lock, which includes the X server. This
* the hardware lock when it changes the window state, this routine will
* automatically be called after such a change.
*/
-void radeonGetLock( radeonContextPtr rmesa, GLuint flags )
+void radeonGetLock(radeonContextPtr rmesa, GLuint flags)
+{
+ __DRIdrawablePrivate *const drawable = rmesa->dri.drawable;
+ __DRIdrawablePrivate *const readable = rmesa->dri.readable;
+ __DRIscreenPrivate *sPriv = rmesa->dri.screen;
+ drm_radeon_sarea_t *sarea = rmesa->sarea;
+
+ assert(drawable != NULL);
+
+ drmGetLock(rmesa->dri.fd, rmesa->dri.hwContext, flags);
+
+ /* The window might have moved, so we might need to get new clip
+ * rects.
+ *
+ * NOTE: This releases and regrabs the hw lock to allow the X server
+ * to respond to the DRI protocol request for new drawable info.
+ * Since the hardware state depends on having the latest drawable
+ * clip rects, all state checking must be done _after_ this call.
+ */
+ DRI_VALIDATE_DRAWABLE_INFO(sPriv, drawable);
+ if (drawable != readable) {
+ DRI_VALIDATE_DRAWABLE_INFO(sPriv, readable);
+ }
+
+ if (rmesa->lastStamp != drawable->lastStamp) {
+ radeon_window_moved(rmesa);
+ rmesa->lastStamp = drawable->lastStamp;
+ }
+
+ rmesa->vtbl.get_lock(rmesa);
+
+ rmesa->lost_context = GL_TRUE;
+}
+
+void radeon_lock_hardware(radeonContextPtr radeon)
+{
+ __DRIdrawable *dPriv = radeon->dri.drawable;
+ char ret = 0;
+ struct radeon_framebuffer *rfb = NULL;
+ struct radeon_renderbuffer *rrb = NULL;
+
+ if (radeon->dri.drawable) {
+ rfb = radeon->dri.drawable->driverPrivate;
+
+ if (rfb)
+ rrb = radeon_get_renderbuffer(&rfb->base,
+ rfb->base._ColorDrawBufferIndexes[0]);
+ }
+
+ if (!radeon->radeonScreen->driScreen->dri2.enabled) {
+ DRM_CAS(radeon->dri.hwLock, radeon->dri.hwContext,
+ (DRM_LOCK_HELD | radeon->dri.hwContext), ret );
+ if (ret)
+ radeonGetLock(radeon, 0);
+ }
+}
+
+void radeon_unlock_hardware(radeonContextPtr radeon)
{
- __DRIdrawablePrivate *dPriv = rmesa->dri.drawable;
- __DRIscreenPrivate *sPriv = rmesa->dri.screen;
- drm_radeon_sarea_t *sarea = rmesa->sarea;
-
- drmGetLock( rmesa->dri.fd, rmesa->dri.hwContext, flags );
-
- /* The window might have moved, so we might need to get new clip
- * rects.
- *
- * NOTE: This releases and regrabs the hw lock to allow the X server
- * to respond to the DRI protocol request for new drawable info.
- * Since the hardware state depends on having the latest drawable
- * clip rects, all state checking must be done _after_ this call.
- */
- DRI_VALIDATE_DRAWABLE_INFO( sPriv, dPriv );
-
- if ( rmesa->lastStamp != dPriv->lastStamp ) {
- radeonUpdatePageFlipping( rmesa );
- if (rmesa->glCtx->Color._DrawDestMask[0] == DD_BACK_LEFT_BIT)
- radeonSetCliprects( rmesa, GL_BACK_LEFT );
- else
- radeonSetCliprects( rmesa, GL_FRONT_LEFT );
- radeonUpdateViewportOffset( rmesa->glCtx );
- rmesa->lastStamp = dPriv->lastStamp;
- }
-
- RADEON_STATECHANGE( rmesa, ctx );
- if (rmesa->sarea->tiling_enabled) {
- rmesa->hw.ctx.cmd[CTX_RB3D_COLORPITCH] |= RADEON_COLOR_TILE_ENABLE;
- }
- else rmesa->hw.ctx.cmd[CTX_RB3D_COLORPITCH] &= ~RADEON_COLOR_TILE_ENABLE;
-
- if ( sarea->ctx_owner != rmesa->dri.hwContext ) {
- int i;
- sarea->ctx_owner = rmesa->dri.hwContext;
-
- for ( i = 0 ; i < rmesa->nr_heaps ; i++ ) {
- DRI_AGE_TEXTURES( rmesa->texture_heaps[ i ] );
- }
- }
-
- rmesa->lost_context = GL_TRUE;
+ if (!radeon->radeonScreen->driScreen->dri2.enabled) {
+ DRM_UNLOCK( radeon->dri.fd,
+ radeon->dri.hwLock,
+ radeon->dri.hwContext );
+ }
}
projects / mesa.git / blobdiff