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authorPeter Hutterer <peter@cs.unisa.edu.au>2008-03-04 18:11:10 +1030
committerPeter Hutterer <peter@cs.unisa.edu.au>2008-03-04 18:11:10 +1030
commit4f2cd0ed96d3b10c78774c721c2ffbfb0556dddd (patch)
tree9f477ddd4af2162152057bded1426102b475e67c /GL/glx/glxdri2.c
parent23ae68a4c74a2ec90b4130c37b0d0aec3f4082ce (diff)
parent453661a9e193a511cf5e54e6d330454163817316 (diff)
Merge branch 'master' into mpx
This merge reverts Magnus' device coorindate scaling changes. MPX core event generation is very different, so we can't scale in GetPointerEvents. Conflicts: Xi/opendev.c dix/devices.c dix/dixfonts.c dix/getevents.c dix/resource.c dix/window.c hw/xfree86/common/xf86Xinput.c mi/mipointer.c xkb/ddxBeep.c xkb/ddxCtrls.c xkb/ddxKeyClick.c xkb/ddxList.c xkb/ddxLoad.c xkb/xkb.c xkb/xkbAccessX.c xkb/xkbEvents.c xkb/xkbInit.c xkb/xkbPrKeyEv.c xkb/xkbUtils.c
Diffstat (limited to 'GL/glx/glxdri2.c')
-rw-r--r--GL/glx/glxdri2.c633
1 files changed, 633 insertions, 0 deletions
diff --git a/GL/glx/glxdri2.c b/GL/glx/glxdri2.c
new file mode 100644
index 000000000..d1c8d417e
--- /dev/null
+++ b/GL/glx/glxdri2.c
@@ -0,0 +1,633 @@
+/*
+ * Copyright © 2007 Red Hat, Inc
+ *
+ * Permission to use, copy, modify, distribute, and sell this software
+ * and its documentation for any purpose is hereby granted without
+ * fee, provided that the above copyright notice appear in all copies
+ * and that both that copyright notice and this permission notice
+ * appear in supporting documentation, and that the name of Red Hat,
+ * Inc not be used in advertising or publicity pertaining to
+ * distribution of the software without specific, written prior
+ * permission. Red Hat, Inc makes no representations about the
+ * suitability of this software for any purpose. It is provided "as
+ * is" without express or implied warranty.
+ *
+ * RED HAT, INC DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN
+ * NO EVENT SHALL RED HAT, INC BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
+ * OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
+ * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include <stdint.h>
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+#include <sys/time.h>
+#include <dlfcn.h>
+
+#include <drm.h>
+#include <GL/gl.h>
+#include <GL/internal/dri_interface.h>
+
+#include <windowstr.h>
+#include <os.h>
+
+#define _XF86DRI_SERVER_
+#include <xf86drm.h>
+#include <xf86dristr.h>
+#include <xf86str.h>
+#include <xf86.h>
+#include <dri2.h>
+
+#include "glxserver.h"
+#include "glxutil.h"
+#include "glcontextmodes.h"
+
+#include "g_disptab.h"
+#include "glapitable.h"
+#include "glapi.h"
+#include "glthread.h"
+#include "dispatch.h"
+#include "extension_string.h"
+
+#define containerOf(ptr, type, member) \
+ (type *)( (char *)ptr - offsetof(type,member) )
+
+typedef struct __GLXDRIscreen __GLXDRIscreen;
+typedef struct __GLXDRIcontext __GLXDRIcontext;
+typedef struct __GLXDRIdrawable __GLXDRIdrawable;
+
+struct __GLXDRIscreen {
+ __GLXscreen base;
+ __DRIscreen driScreen;
+ void *driver;
+ int fd;
+
+ xf86EnterVTProc *enterVT;
+ xf86LeaveVTProc *leaveVT;
+
+ __DRIcopySubBufferExtension *copySubBuffer;
+ __DRIswapControlExtension *swapControl;
+ __DRItexBufferExtension *texBuffer;
+
+ unsigned char glx_enable_bits[__GLX_EXT_BYTES];
+};
+
+struct __GLXDRIcontext {
+ __GLXcontext base;
+ __DRIcontext driContext;
+ drm_context_t hwContext;
+};
+
+struct __GLXDRIdrawable {
+ __GLXdrawable base;
+ __DRIdrawable driDrawable;
+};
+
+static const char CREATE_NEW_SCREEN_FUNC[] = __DRI2_CREATE_NEW_SCREEN_STRING;
+
+static void
+__glXDRIdrawableDestroy(__GLXdrawable *drawable)
+{
+ __GLXDRIdrawable *private = (__GLXDRIdrawable *) drawable;
+
+ (*private->driDrawable.destroyDrawable)(&private->driDrawable);
+
+ /* If the X window was destroyed, the dri DestroyWindow hook will
+ * aready have taken care of this, so only call if pDraw isn't NULL. */
+ if (drawable->pDraw != NULL)
+ DRI2DestroyDrawable(drawable->pDraw->pScreen, drawable->pDraw);
+
+ xfree(private);
+}
+
+static GLboolean
+__glXDRIdrawableResize(__GLXdrawable *glxPriv)
+{
+ /* Nothing to do here, the DRI driver asks the server for drawable
+ * geometry when it sess the SAREA timestamps change.*/
+
+ return GL_TRUE;
+}
+
+static GLboolean
+__glXDRIdrawableSwapBuffers(__GLXdrawable *basePrivate)
+{
+ __GLXDRIdrawable *private = (__GLXDRIdrawable *) basePrivate;
+
+ (*private->driDrawable.swapBuffers)(&private->driDrawable);
+
+ return TRUE;
+}
+
+
+static int
+__glXDRIdrawableSwapInterval(__GLXdrawable *baseDrawable, int interval)
+{
+ __GLXDRIdrawable *draw = (__GLXDRIdrawable *) baseDrawable;
+ __GLXDRIscreen *screen = (__GLXDRIscreen *)
+ glxGetScreen(baseDrawable->pDraw->pScreen);
+
+ if (screen->swapControl)
+ screen->swapControl->setSwapInterval(&draw->driDrawable, interval);
+
+ return 0;
+}
+
+
+static void
+__glXDRIdrawableCopySubBuffer(__GLXdrawable *basePrivate,
+ int x, int y, int w, int h)
+{
+ __GLXDRIdrawable *private = (__GLXDRIdrawable *) basePrivate;
+ __GLXDRIscreen *screen = (__GLXDRIscreen *)
+ glxGetScreen(basePrivate->pDraw->pScreen);
+
+ if (screen->copySubBuffer)
+ screen->copySubBuffer->copySubBuffer(&private->driDrawable,
+ x, y, w, h);
+}
+
+static void
+__glXDRIcontextDestroy(__GLXcontext *baseContext)
+{
+ __GLXDRIcontext *context = (__GLXDRIcontext *) baseContext;
+ __GLXDRIscreen *screen = (__GLXDRIscreen *) baseContext->pGlxScreen;
+
+ context->driContext.destroyContext(&context->driContext);
+ drmDestroyContext(screen->fd, context->hwContext);
+ __glXContextDestroy(&context->base);
+ xfree(context);
+}
+
+static int
+__glXDRIcontextMakeCurrent(__GLXcontext *baseContext)
+{
+ __GLXDRIcontext *context = (__GLXDRIcontext *) baseContext;
+ __GLXDRIdrawable *draw = (__GLXDRIdrawable *) baseContext->drawPriv;
+ __GLXDRIdrawable *read = (__GLXDRIdrawable *) baseContext->readPriv;
+
+ return (*context->driContext.bindContext)(&context->driContext,
+ &draw->driDrawable,
+ &read->driDrawable);
+}
+
+static int
+__glXDRIcontextLoseCurrent(__GLXcontext *baseContext)
+{
+ __GLXDRIcontext *context = (__GLXDRIcontext *) baseContext;
+
+ return (*context->driContext.unbindContext)(&context->driContext);
+}
+
+static int
+__glXDRIcontextCopy(__GLXcontext *baseDst, __GLXcontext *baseSrc,
+ unsigned long mask)
+{
+ __GLXDRIcontext *dst = (__GLXDRIcontext *) baseDst;
+ __GLXDRIcontext *src = (__GLXDRIcontext *) baseSrc;
+
+ /* FIXME: We will need to add DRIcontext::copyContext for this. */
+
+ (void) dst;
+ (void) src;
+
+ return FALSE;
+}
+
+static int
+__glXDRIcontextForceCurrent(__GLXcontext *baseContext)
+{
+ __GLXDRIcontext *context = (__GLXDRIcontext *) baseContext;
+ __GLXDRIdrawable *draw = (__GLXDRIdrawable *) baseContext->drawPriv;
+ __GLXDRIdrawable *read = (__GLXDRIdrawable *) baseContext->readPriv;
+
+ return (*context->driContext.bindContext)(&context->driContext,
+ &draw->driDrawable,
+ &read->driDrawable);
+}
+
+#ifdef __DRI_TEX_BUFFER
+
+#define isPowerOfTwo(n) (((n) & ((n) - 1 )) == 0)
+
+static int
+__glXDRIbindTexImage(__GLXcontext *baseContext,
+ int buffer,
+ __GLXdrawable *glxPixmap)
+{
+ ScreenPtr pScreen = glxPixmap->pDraw->pScreen;
+ __GLXDRIscreen * const screen = (__GLXDRIscreen *) glxGetScreen(pScreen);
+ PixmapPtr pixmap;
+ __GLXDRIcontext *context = (__GLXDRIcontext *) baseContext;
+ unsigned int flags;
+ int w, h, target;
+
+ if (screen->texBuffer == NULL)
+ return Success;
+
+ pixmap = (PixmapPtr) glxPixmap->pDraw;
+ w = pixmap->drawable.width;
+ h = pixmap->drawable.height;
+
+ if (!isPowerOfTwo(w) || !isPowerOfTwo(h))
+ target = GL_TEXTURE_RECTANGLE_ARB;
+ else
+ target = GL_TEXTURE_2D;
+
+ screen->texBuffer->setTexBuffer(&context->driContext,
+ target,
+ DRI2GetPixmapHandle(pixmap, &flags),
+ pixmap->drawable.depth,
+ pixmap->devKind,
+ h);
+
+ return Success;
+}
+
+static int
+__glXDRIreleaseTexImage(__GLXcontext *baseContext,
+ int buffer,
+ __GLXdrawable *pixmap)
+{
+ /* FIXME: Just unbind the texture? */
+ return Success;
+}
+
+#else
+
+static int
+__glXDRIbindTexImage(__GLXcontext *baseContext,
+ int buffer,
+ __GLXdrawable *glxPixmap)
+{
+ return Success;
+}
+
+static int
+__glXDRIreleaseTexImage(__GLXcontext *baseContext,
+ int buffer,
+ __GLXdrawable *pixmap)
+{
+ return Success;
+}
+
+#endif
+
+static __GLXtextureFromPixmap __glXDRItextureFromPixmap = {
+ __glXDRIbindTexImage,
+ __glXDRIreleaseTexImage
+};
+
+static void
+__glXDRIscreenDestroy(__GLXscreen *baseScreen)
+{
+ __GLXDRIscreen *screen = (__GLXDRIscreen *) baseScreen;
+
+ screen->driScreen.destroyScreen(&screen->driScreen);
+
+ dlclose(screen->driver);
+
+ __glXScreenDestroy(baseScreen);
+
+ xfree(screen);
+}
+
+static __GLXcontext *
+__glXDRIscreenCreateContext(__GLXscreen *baseScreen,
+ __GLcontextModes *modes,
+ __GLXcontext *baseShareContext)
+{
+ __GLXDRIscreen *screen = (__GLXDRIscreen *) baseScreen;
+ __GLXDRIcontext *context, *shareContext;
+ __DRIcontext *driShare;
+
+ shareContext = (__GLXDRIcontext *) baseShareContext;
+ if (shareContext)
+ driShare = &shareContext->driContext;
+ else
+ driShare = NULL;
+
+ context = xalloc(sizeof *context);
+ if (context == NULL)
+ return NULL;
+
+ memset(context, 0, sizeof *context);
+ context->base.destroy = __glXDRIcontextDestroy;
+ context->base.makeCurrent = __glXDRIcontextMakeCurrent;
+ context->base.loseCurrent = __glXDRIcontextLoseCurrent;
+ context->base.copy = __glXDRIcontextCopy;
+ context->base.forceCurrent = __glXDRIcontextForceCurrent;
+ context->base.textureFromPixmap = &__glXDRItextureFromPixmap;
+
+ if (drmCreateContext(screen->fd, &context->hwContext))
+ return GL_FALSE;
+
+ context->driContext.private =
+ screen->driScreen.createNewContext(&screen->driScreen,
+ modes,
+ 0, /* render type */
+ driShare,
+ context->hwContext,
+ &context->driContext);
+
+ return &context->base;
+}
+
+static __GLXdrawable *
+__glXDRIscreenCreateDrawable(__GLXscreen *screen,
+ DrawablePtr pDraw,
+ int type,
+ XID drawId,
+ __GLcontextModes *modes)
+{
+ __GLXDRIscreen *driScreen = (__GLXDRIscreen *) screen;
+ __GLXDRIdrawable *private;
+ GLboolean retval;
+ drm_drawable_t hwDrawable;
+
+ private = xalloc(sizeof *private);
+ if (private == NULL)
+ return NULL;
+
+ memset(private, 0, sizeof *private);
+
+ if (!__glXDrawableInit(&private->base, screen,
+ pDraw, type, drawId, modes)) {
+ xfree(private);
+ return NULL;
+ }
+
+ private->base.destroy = __glXDRIdrawableDestroy;
+ private->base.resize = __glXDRIdrawableResize;
+ private->base.swapBuffers = __glXDRIdrawableSwapBuffers;
+ private->base.copySubBuffer = __glXDRIdrawableCopySubBuffer;
+
+ retval = DRI2CreateDrawable(screen->pScreen, pDraw, &hwDrawable);
+
+ private->driDrawable.private =
+ (driScreen->driScreen.createNewDrawable)(&driScreen->driScreen,
+ modes,
+ &private->driDrawable,
+ hwDrawable, 0, NULL);
+
+ return &private->base;
+}
+
+static int
+getUST(int64_t *ust)
+{
+ struct timeval tv;
+
+ if (ust == NULL)
+ return -EFAULT;
+
+ if (gettimeofday(&tv, NULL) == 0) {
+ ust[0] = (tv.tv_sec * 1000000) + tv.tv_usec;
+ return 0;
+ } else {
+ return -errno;
+ }
+}
+
+static void __glXReportDamage(__DRIdrawable *driDraw,
+ int x, int y,
+ drm_clip_rect_t *rects, int num_rects,
+ GLboolean front_buffer)
+{
+ __GLXDRIdrawable *drawable =
+ containerOf(driDraw, __GLXDRIdrawable, driDrawable);
+ DrawablePtr pDraw = drawable->base.pDraw;
+ RegionRec region;
+
+ REGION_INIT(pDraw->pScreen, &region, (BoxPtr) rects, num_rects);
+ REGION_TRANSLATE(pScreen, &region, pDraw->x, pDraw->y);
+ DamageDamageRegion(pDraw, &region);
+ REGION_UNINIT(pDraw->pScreen, &region);
+}
+
+/* Table of functions that we export to the driver. */
+static const __DRIinterfaceMethods interface_methods = {
+ _gl_context_modes_create,
+ _gl_context_modes_destroy,
+
+ NULL,
+
+ getUST,
+ NULL,
+
+ __glXReportDamage,
+};
+
+static const char dri_driver_path[] = DRI_DRIVER_PATH;
+
+static Bool
+glxDRIEnterVT (int index, int flags)
+{
+ __GLXDRIscreen *screen = (__GLXDRIscreen *)
+ glxGetScreen(screenInfo.screens[index]);
+
+ LogMessage(X_INFO, "AIGLX: Resuming AIGLX clients after VT switch\n");
+
+ if (!(*screen->enterVT) (index, flags))
+ return FALSE;
+
+ glxResumeClients();
+
+ return TRUE;
+}
+
+static void
+glxDRILeaveVT (int index, int flags)
+{
+ __GLXDRIscreen *screen = (__GLXDRIscreen *)
+ glxGetScreen(screenInfo.screens[index]);
+
+ LogMessage(X_INFO, "AIGLX: Suspending AIGLX clients for VT switch\n");
+
+ glxSuspendClients();
+
+ return (*screen->leaveVT) (index, flags);
+}
+
+static void
+initializeExtensions(__GLXDRIscreen *screen)
+{
+ const __DRIextension **extensions;
+ int i;
+
+ extensions = screen->driScreen.getExtensions(&screen->driScreen);
+ for (i = 0; extensions[i]; i++) {
+#ifdef __DRI_COPY_SUB_BUFFER
+ if (strcmp(extensions[i]->name, __DRI_COPY_SUB_BUFFER) == 0) {
+ screen->copySubBuffer = (__DRIcopySubBufferExtension *) extensions[i];
+ __glXEnableExtension(screen->glx_enable_bits,
+ "GLX_MESA_copy_sub_buffer");
+
+ LogMessage(X_INFO, "AIGLX: enabled GLX_MESA_copy_sub_buffer\n");
+ }
+#endif
+
+#ifdef __DRI_SWAP_CONTROL
+ if (strcmp(extensions[i]->name, __DRI_SWAP_CONTROL) == 0) {
+ screen->swapControl = (__DRIswapControlExtension *) extensions[i];
+ __glXEnableExtension(screen->glx_enable_bits,
+ "GLX_SGI_swap_control");
+ __glXEnableExtension(screen->glx_enable_bits,
+ "GLX_MESA_swap_control");
+
+ LogMessage(X_INFO, "AIGLX: enabled GLX_SGI_swap_control and GLX_MESA_swap_control\n");
+ }
+#endif
+
+#ifdef __DRI_TEX_BUFFER
+ if (strcmp(extensions[i]->name, __DRI_TEX_BUFFER) == 0) {
+ screen->texBuffer = (__DRItexBufferExtension *) extensions[i];
+ /* GLX_EXT_texture_from_pixmap is always enabled. */
+ LogMessage(X_INFO, "AIGLX: GLX_EXT_texture_from_pixmap backed by buffer objects\n");
+ }
+#endif
+ /* Ignore unknown extensions */
+ }
+}
+
+static __GLXscreen *
+__glXDRIscreenProbe(ScreenPtr pScreen)
+{
+ __DRI2_CREATE_NEW_SCREEN_FUNC *createNewScreen;
+ __DRIversion ddx_version;
+ __DRIversion dri_version;
+ __DRIversion drm_version;
+ drmVersionPtr version;
+ const char *driverName;
+ __GLXDRIscreen *screen;
+ char filename[128];
+ size_t buffer_size;
+ ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
+ unsigned int sareaHandle;
+
+ screen = xalloc(sizeof *screen);
+ if (screen == NULL)
+ return NULL;
+ memset(screen, 0, sizeof *screen);
+
+ if (!xf86LoaderCheckSymbol("DRI2Connect") ||
+ !DRI2Connect(pScreen,
+ &screen->fd,
+ &driverName,
+ &ddx_version.major,
+ &ddx_version.minor,
+ &ddx_version.patch,
+ &sareaHandle)) {
+ LogMessage(X_INFO,
+ "AIGLX: Screen %d is not DRI2 capable\n", pScreen->myNum);
+ return NULL;
+ }
+
+ screen->base.destroy = __glXDRIscreenDestroy;
+ screen->base.createContext = __glXDRIscreenCreateContext;
+ screen->base.createDrawable = __glXDRIscreenCreateDrawable;
+ screen->base.swapInterval = __glXDRIdrawableSwapInterval;
+ screen->base.pScreen = pScreen;
+
+ __glXInitExtensionEnableBits(screen->glx_enable_bits);
+
+ /* DRI protocol version. */
+ dri_version.major = XF86DRI_MAJOR_VERSION;
+ dri_version.minor = XF86DRI_MINOR_VERSION;
+ dri_version.patch = XF86DRI_PATCH_VERSION;
+
+ version = drmGetVersion(screen->fd);
+ if (version) {
+ drm_version.major = version->version_major;
+ drm_version.minor = version->version_minor;
+ drm_version.patch = version->version_patchlevel;
+ drmFreeVersion(version);
+ }
+ else {
+ drm_version.major = -1;
+ drm_version.minor = -1;
+ drm_version.patch = -1;
+ }
+
+ snprintf(filename, sizeof filename, "%s/%s_dri.so",
+ dri_driver_path, driverName);
+
+ screen->driver = dlopen(filename, RTLD_LAZY | RTLD_LOCAL);
+ if (screen->driver == NULL) {
+ LogMessage(X_ERROR, "AIGLX error: dlopen of %s failed (%s)\n",
+ filename, dlerror());
+ goto handle_error;
+ }
+
+ createNewScreen = dlsym(screen->driver, CREATE_NEW_SCREEN_FUNC);
+ if (createNewScreen == NULL) {
+ LogMessage(X_ERROR, "AIGLX error: dlsym for %s failed (%s)\n",
+ CREATE_NEW_SCREEN_FUNC, dlerror());
+ goto handle_error;
+ }
+
+ screen->driScreen.private =
+ (*createNewScreen)(pScreen->myNum,
+ &screen->driScreen,
+ &ddx_version,
+ &dri_version,
+ &drm_version,
+ screen->fd,
+ sareaHandle,
+ &interface_methods,
+ &screen->base.fbconfigs);
+
+ if (screen->driScreen.private == NULL) {
+ LogMessage(X_ERROR, "AIGLX error: Calling driver entry point failed");
+ goto handle_error;
+ }
+
+ initializeExtensions(screen);
+
+ __glXScreenInit(&screen->base, pScreen);
+
+ buffer_size = __glXGetExtensionString(screen->glx_enable_bits, NULL);
+ if (buffer_size > 0) {
+ if (screen->base.GLXextensions != NULL) {
+ xfree(screen->base.GLXextensions);
+ }
+
+ screen->base.GLXextensions = xnfalloc(buffer_size);
+ (void) __glXGetExtensionString(screen->glx_enable_bits,
+ screen->base.GLXextensions);
+ }
+
+ screen->enterVT = pScrn->EnterVT;
+ pScrn->EnterVT = glxDRIEnterVT;
+ screen->leaveVT = pScrn->LeaveVT;
+ pScrn->LeaveVT = glxDRILeaveVT;
+
+ LogMessage(X_INFO,
+ "AIGLX: Loaded and initialized %s\n", filename);
+
+ return &screen->base;
+
+ handle_error:
+ if (screen->driver)
+ dlclose(screen->driver);
+
+ xfree(screen);
+
+ LogMessage(X_ERROR, "AIGLX: reverting to software rendering\n");
+
+ return NULL;
+}
+
+__GLXprovider __glXDRI2Provider = {
+ __glXDRIscreenProbe,
+ "DRI2",
+ NULL
+};