diff options
Diffstat (limited to 'src/glx/x11/dri_glx.c')
| -rw-r--r-- | src/glx/x11/dri_glx.c | 751 |
1 files changed, 0 insertions, 751 deletions
diff --git a/src/glx/x11/dri_glx.c b/src/glx/x11/dri_glx.c deleted file mode 100644 index 0ff53c324f..0000000000 --- a/src/glx/x11/dri_glx.c +++ /dev/null @@ -1,751 +0,0 @@ -/************************************************************************** - -Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas. -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 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 PRECISION INSIGHT 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: - * Kevin E. Martin <kevin@precisioninsight.com> - * Brian Paul <brian@precisioninsight.com> - * - */ - -#ifdef GLX_DIRECT_RENDERING - -#include <X11/Xlib.h> -#include <X11/extensions/Xfixes.h> -#include <X11/extensions/Xdamage.h> -#include "glxclient.h" -#include "xf86dri.h" -#include "dri2.h" -#include "sarea.h" -#include <dlfcn.h> -#include <sys/types.h> -#include <sys/mman.h> -#include "xf86drm.h" -#include "dri_common.h" - -typedef struct __GLXDRIdisplayPrivateRec __GLXDRIdisplayPrivate; -typedef struct __GLXDRIcontextPrivateRec __GLXDRIcontextPrivate; - -struct __GLXDRIdisplayPrivateRec -{ - __GLXDRIdisplay base; - - /* - ** XFree86-DRI version information - */ - int driMajor; - int driMinor; - int driPatch; -}; - -struct __GLXDRIcontextPrivateRec -{ - __GLXDRIcontext base; - __DRIcontext *driContext; - XID hwContextID; - __GLXscreenConfigs *psc; -}; - -/* - * Given a display pointer and screen number, determine the name of - * the DRI driver for the screen. (I.e. "r128", "tdfx", etc). - * Return True for success, False for failure. - */ -static Bool -driGetDriverName(Display * dpy, int scrNum, char **driverName) -{ - int directCapable; - Bool b; - int event, error; - int driverMajor, driverMinor, driverPatch; - - *driverName = NULL; - - if (XF86DRIQueryExtension(dpy, &event, &error)) { /* DRI1 */ - if (!XF86DRIQueryDirectRenderingCapable(dpy, scrNum, &directCapable)) { - ErrorMessageF("XF86DRIQueryDirectRenderingCapable failed\n"); - return False; - } - if (!directCapable) { - ErrorMessageF("XF86DRIQueryDirectRenderingCapable returned false\n"); - return False; - } - - b = XF86DRIGetClientDriverName(dpy, scrNum, &driverMajor, &driverMinor, - &driverPatch, driverName); - if (!b) { - ErrorMessageF("Cannot determine driver name for screen %d\n", - scrNum); - return False; - } - - InfoMessageF("XF86DRIGetClientDriverName: %d.%d.%d %s (screen %d)\n", - driverMajor, driverMinor, driverPatch, *driverName, - scrNum); - - return True; - } - else if (DRI2QueryExtension(dpy, &event, &error)) { /* DRI2 */ - char *dev; - Bool ret = DRI2Connect(dpy, RootWindow(dpy, scrNum), driverName, &dev); - - if (ret) - Xfree(dev); - - return ret; - } - - return False; -} - -/* - * Exported function for querying the DRI driver for a given screen. - * - * The returned char pointer points to a static array that will be - * overwritten by subsequent calls. - */ -PUBLIC const char * -glXGetScreenDriver(Display * dpy, int scrNum) -{ - static char ret[32]; - char *driverName; - if (driGetDriverName(dpy, scrNum, &driverName)) { - int len; - if (!driverName) - return NULL; - len = strlen(driverName); - if (len >= 31) - return NULL; - memcpy(ret, driverName, len + 1); - Xfree(driverName); - return ret; - } - return NULL; -} - -/* - * Exported function for obtaining a driver's option list (UTF-8 encoded XML). - * - * The returned char pointer points directly into the driver. Therefore - * it should be treated as a constant. - * - * If the driver was not found or does not support configuration NULL is - * returned. - * - * Note: The driver remains opened after this function returns. - */ -PUBLIC const char * -glXGetDriverConfig(const char *driverName) -{ - void *handle = driOpenDriver(driverName); - if (handle) - return dlsym(handle, "__driConfigOptions"); - else - return NULL; -} - -#ifdef XDAMAGE_1_1_INTERFACE - -static GLboolean -has_damage_post(Display * dpy) -{ - static GLboolean inited = GL_FALSE; - static GLboolean has_damage; - - if (!inited) { - int major, minor; - - if (XDamageQueryVersion(dpy, &major, &minor) && - major == 1 && minor >= 1) { - has_damage = GL_TRUE; - } - else { - has_damage = GL_FALSE; - } - inited = GL_TRUE; - } - - return has_damage; -} - -static void -__glXReportDamage(__DRIdrawable * driDraw, - int x, int y, - drm_clip_rect_t * rects, int num_rects, - GLboolean front_buffer, void *loaderPrivate) -{ - XRectangle *xrects; - XserverRegion region; - int i; - int x_off, y_off; - __GLXDRIdrawable *glxDraw = loaderPrivate; - __GLXscreenConfigs *psc = glxDraw->psc; - Display *dpy = psc->dpy; - Drawable drawable; - - if (!has_damage_post(dpy)) - return; - - if (front_buffer) { - x_off = x; - y_off = y; - drawable = RootWindow(dpy, psc->scr); - } - else { - x_off = 0; - y_off = 0; - drawable = glxDraw->xDrawable; - } - - xrects = malloc(sizeof(XRectangle) * num_rects); - if (xrects == NULL) - return; - - for (i = 0; i < num_rects; i++) { - xrects[i].x = rects[i].x1 + x_off; - xrects[i].y = rects[i].y1 + y_off; - xrects[i].width = rects[i].x2 - rects[i].x1; - xrects[i].height = rects[i].y2 - rects[i].y1; - } - region = XFixesCreateRegion(dpy, xrects, num_rects); - free(xrects); - XDamageAdd(dpy, drawable, region); - XFixesDestroyRegion(dpy, region); -} - -static const __DRIdamageExtension damageExtension = { - {__DRI_DAMAGE, __DRI_DAMAGE_VERSION}, - __glXReportDamage, -}; - -#endif - -static GLboolean -__glXDRIGetDrawableInfo(__DRIdrawable * drawable, - unsigned int *index, unsigned int *stamp, - int *X, int *Y, int *W, int *H, - int *numClipRects, drm_clip_rect_t ** pClipRects, - int *backX, int *backY, - int *numBackClipRects, - drm_clip_rect_t ** pBackClipRects, - void *loaderPrivate) -{ - __GLXDRIdrawable *glxDraw = loaderPrivate; - __GLXscreenConfigs *psc = glxDraw->psc; - Display *dpy = psc->dpy; - - return XF86DRIGetDrawableInfo(dpy, psc->scr, glxDraw->drawable, - index, stamp, X, Y, W, H, - numClipRects, pClipRects, - backX, backY, - numBackClipRects, pBackClipRects); -} - -static const __DRIgetDrawableInfoExtension getDrawableInfoExtension = { - {__DRI_GET_DRAWABLE_INFO, __DRI_GET_DRAWABLE_INFO_VERSION}, - __glXDRIGetDrawableInfo -}; - -static const __DRIextension *loader_extensions[] = { - &systemTimeExtension.base, - &getDrawableInfoExtension.base, -#ifdef XDAMAGE_1_1_INTERFACE - &damageExtension.base, -#endif - NULL -}; - -/** - * Perform the required libGL-side initialization and call the client-side - * driver's \c __driCreateNewScreen function. - * - * \param dpy Display pointer. - * \param scrn Screen number on the display. - * \param psc DRI screen information. - * \param driDpy DRI display information. - * \param createNewScreen Pointer to the client-side driver's - * \c __driCreateNewScreen function. - * \returns A pointer to the \c __DRIscreen structure returned by - * the client-side driver on success, or \c NULL on failure. - */ -static void * -CallCreateNewScreen(Display * dpy, int scrn, __GLXscreenConfigs * psc, - __GLXDRIdisplayPrivate * driDpy) -{ - void *psp = NULL; - drm_handle_t hSAREA; - drmAddress pSAREA = MAP_FAILED; - char *BusID; - __DRIversion ddx_version; - __DRIversion dri_version; - __DRIversion drm_version; - __DRIframebuffer framebuffer; - int fd = -1; - int status; - - drm_magic_t magic; - drmVersionPtr version; - int newlyopened; - char *driverName; - drm_handle_t hFB; - int junk; - const __DRIconfig **driver_configs; - __GLcontextModes *visual; - - /* DRI protocol version. */ - dri_version.major = driDpy->driMajor; - dri_version.minor = driDpy->driMinor; - dri_version.patch = driDpy->driPatch; - - framebuffer.base = MAP_FAILED; - framebuffer.dev_priv = NULL; - - if (!XF86DRIOpenConnection(dpy, scrn, &hSAREA, &BusID)) { - ErrorMessageF("XF86DRIOpenConnection failed\n"); - goto handle_error; - } - - fd = drmOpenOnce(NULL, BusID, &newlyopened); - - Xfree(BusID); /* No longer needed */ - - if (fd < 0) { - ErrorMessageF("drmOpenOnce failed (%s)\n", strerror(-fd)); - goto handle_error; - } - - if (drmGetMagic(fd, &magic)) { - ErrorMessageF("drmGetMagic failed\n"); - goto handle_error; - } - - version = drmGetVersion(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; - } - - if (newlyopened && !XF86DRIAuthConnection(dpy, scrn, magic)) { - ErrorMessageF("XF86DRIAuthConnection failed\n"); - goto handle_error; - } - - /* Get device name (like "tdfx") and the ddx version numbers. - * We'll check the version in each DRI driver's "createNewScreen" - * function. */ - if (!XF86DRIGetClientDriverName(dpy, scrn, - &ddx_version.major, - &ddx_version.minor, - &ddx_version.patch, &driverName)) { - ErrorMessageF("XF86DRIGetClientDriverName failed\n"); - goto handle_error; - } - - Xfree(driverName); /* No longer needed. */ - - /* - * Get device-specific info. pDevPriv will point to a struct - * (such as DRIRADEONRec in xfree86/driver/ati/radeon_dri.h) that - * has information about the screen size, depth, pitch, ancilliary - * buffers, DRM mmap handles, etc. - */ - if (!XF86DRIGetDeviceInfo(dpy, scrn, &hFB, &junk, - &framebuffer.size, &framebuffer.stride, - &framebuffer.dev_priv_size, - &framebuffer.dev_priv)) { - ErrorMessageF("XF86DRIGetDeviceInfo failed"); - goto handle_error; - } - - framebuffer.width = DisplayWidth(dpy, scrn); - framebuffer.height = DisplayHeight(dpy, scrn); - - /* Map the framebuffer region. */ - status = drmMap(fd, hFB, framebuffer.size, - (drmAddressPtr) & framebuffer.base); - if (status != 0) { - ErrorMessageF("drmMap of framebuffer failed (%s)", strerror(-status)); - goto handle_error; - } - - /* Map the SAREA region. Further mmap regions may be setup in - * each DRI driver's "createNewScreen" function. - */ - status = drmMap(fd, hSAREA, SAREA_MAX, &pSAREA); - if (status != 0) { - ErrorMessageF("drmMap of SAREA failed (%s)", strerror(-status)); - goto handle_error; - } - - psp = (*psc->legacy->createNewScreen) (scrn, - &ddx_version, - &dri_version, - &drm_version, - &framebuffer, - pSAREA, - fd, - loader_extensions, - &driver_configs, psc); - - if (psp == NULL) { - ErrorMessageF("Calling driver entry point failed"); - goto handle_error; - } - - psc->configs = driConvertConfigs(psc->core, psc->configs, driver_configs); - psc->visuals = driConvertConfigs(psc->core, psc->visuals, driver_configs); - - psc->driver_configs = driver_configs; - - /* Visuals with depth != screen depth are subject to automatic compositing - * in the X server, so DRI1 can't render to them properly. Mark them as - * non-conformant to prevent apps from picking them up accidentally. - */ - for (visual = psc->visuals; visual; visual = visual->next) { - XVisualInfo template; - XVisualInfo *visuals; - int num_visuals; - long mask; - - template.visualid = visual->visualID; - mask = VisualIDMask; - visuals = XGetVisualInfo(dpy, mask, &template, &num_visuals); - - if (visuals) { - if (num_visuals > 0 && visuals->depth != DefaultDepth(dpy, scrn)) - visual->visualRating = GLX_NON_CONFORMANT_CONFIG; - - XFree(visuals); - } - } - - return psp; - - handle_error: - if (pSAREA != MAP_FAILED) - drmUnmap(pSAREA, SAREA_MAX); - - if (framebuffer.base != MAP_FAILED) - drmUnmap((drmAddress) framebuffer.base, framebuffer.size); - - if (framebuffer.dev_priv != NULL) - Xfree(framebuffer.dev_priv); - - if (fd >= 0) - drmCloseOnce(fd); - - XF86DRICloseConnection(dpy, scrn); - - ErrorMessageF("reverting to software direct rendering\n"); - - return NULL; -} - -static void -driDestroyContext(__GLXDRIcontext * context, - __GLXscreenConfigs * psc, Display * dpy) -{ - __GLXDRIcontextPrivate *pcp = (__GLXDRIcontextPrivate *) context; - - (*psc->core->destroyContext) (pcp->driContext); - - XF86DRIDestroyContext(psc->dpy, psc->scr, pcp->hwContextID); - Xfree(pcp); -} - -static Bool -driBindContext(__GLXDRIcontext * context, - __GLXDRIdrawable * draw, __GLXDRIdrawable * read) -{ - __GLXDRIcontextPrivate *pcp = (__GLXDRIcontextPrivate *) context; - const __DRIcoreExtension *core = pcp->psc->core; - - return (*core->bindContext) (pcp->driContext, - draw->driDrawable, read->driDrawable); -} - -static void -driUnbindContext(__GLXDRIcontext * context) -{ - __GLXDRIcontextPrivate *pcp = (__GLXDRIcontextPrivate *) context; - const __DRIcoreExtension *core = pcp->psc->core; - - (*core->unbindContext) (pcp->driContext); -} - -static __GLXDRIcontext * -driCreateContext(__GLXscreenConfigs * psc, - const __GLcontextModes * mode, - GLXContext gc, GLXContext shareList, int renderType) -{ - __GLXDRIcontextPrivate *pcp, *pcp_shared; - drm_context_t hwContext; - __DRIcontext *shared = NULL; - __GLXDRIconfigPrivate *config = (__GLXDRIconfigPrivate *) mode; - - if (!psc || !psc->driScreen) - return NULL; - - if (shareList) { - pcp_shared = (__GLXDRIcontextPrivate *) shareList->driContext; - shared = pcp_shared->driContext; - } - - pcp = Xmalloc(sizeof *pcp); - if (pcp == NULL) - return NULL; - - pcp->psc = psc; - if (!XF86DRICreateContextWithConfig(psc->dpy, psc->scr, - mode->visualID, - &pcp->hwContextID, &hwContext)) { - Xfree(pcp); - return NULL; - } - - pcp->driContext = - (*psc->legacy->createNewContext) (psc->__driScreen, - config->driConfig, - renderType, shared, hwContext, pcp); - if (pcp->driContext == NULL) { - XF86DRIDestroyContext(psc->dpy, psc->scr, pcp->hwContextID); - Xfree(pcp); - return NULL; - } - - pcp->base.destroyContext = driDestroyContext; - pcp->base.bindContext = driBindContext; - pcp->base.unbindContext = driUnbindContext; - - return &pcp->base; -} - -static void -driDestroyDrawable(__GLXDRIdrawable * pdraw) -{ - __GLXscreenConfigs *psc = pdraw->psc; - - (*psc->core->destroyDrawable) (pdraw->driDrawable); - XF86DRIDestroyDrawable(psc->dpy, psc->scr, pdraw->drawable); - Xfree(pdraw); -} - -static __GLXDRIdrawable * -driCreateDrawable(__GLXscreenConfigs * psc, - XID xDrawable, - GLXDrawable drawable, const __GLcontextModes * modes) -{ - __GLXDRIdrawable *pdraw; - drm_drawable_t hwDrawable; - void *empty_attribute_list = NULL; - __GLXDRIconfigPrivate *config = (__GLXDRIconfigPrivate *) modes; - - /* Old dri can't handle GLX 1.3+ drawable constructors. */ - if (xDrawable != drawable) - return NULL; - - pdraw = Xmalloc(sizeof(*pdraw)); - if (!pdraw) - return NULL; - - pdraw->drawable = drawable; - pdraw->psc = psc; - - if (!XF86DRICreateDrawable(psc->dpy, psc->scr, drawable, &hwDrawable)) { - Xfree(pdraw); - return NULL; - } - - /* Create a new drawable */ - pdraw->driDrawable = - (*psc->legacy->createNewDrawable) (psc->__driScreen, - config->driConfig, - hwDrawable, - GLX_WINDOW_BIT, - empty_attribute_list, pdraw); - - if (!pdraw->driDrawable) { - XF86DRIDestroyDrawable(psc->dpy, psc->scr, drawable); - Xfree(pdraw); - return NULL; - } - - pdraw->destroyDrawable = driDestroyDrawable; - - return pdraw; -} - -static int64_t -driSwapBuffers(__GLXDRIdrawable * pdraw, int64_t unused1, int64_t unused2, - int64_t unused3) -{ - (*pdraw->psc->core->swapBuffers) (pdraw->driDrawable); - return 0; -} - -static void -driCopySubBuffer(__GLXDRIdrawable * pdraw, - int x, int y, int width, int height) -{ - (*pdraw->psc->driCopySubBuffer->copySubBuffer) (pdraw->driDrawable, - x, y, width, height); -} - -static void -driDestroyScreen(__GLXscreenConfigs * psc) -{ - /* Free the direct rendering per screen data */ - if (psc->__driScreen) - (*psc->core->destroyScreen) (psc->__driScreen); - psc->__driScreen = NULL; - if (psc->driver) - dlclose(psc->driver); -} - -static __GLXDRIscreen * -driCreateScreen(__GLXscreenConfigs * psc, int screen, - __GLXdisplayPrivate * priv) -{ - __GLXDRIdisplayPrivate *pdp; - __GLXDRIscreen *psp; - const __DRIextension **extensions; - char *driverName; - int i; - - psp = Xcalloc(1, sizeof *psp); - if (psp == NULL) - return NULL; - - /* Initialize per screen dynamic client GLX extensions */ - psc->ext_list_first_time = GL_TRUE; - - if (!driGetDriverName(priv->dpy, screen, &driverName)) { - Xfree(psp); - return NULL; - } - - psc->driver = driOpenDriver(driverName); - Xfree(driverName); - if (psc->driver == NULL) { - Xfree(psp); - return NULL; - } - - extensions = dlsym(psc->driver, __DRI_DRIVER_EXTENSIONS); - if (extensions == NULL) { - ErrorMessageF("driver exports no extensions (%s)\n", dlerror()); - Xfree(psp); - return NULL; - } - - for (i = 0; extensions[i]; i++) { - if (strcmp(extensions[i]->name, __DRI_CORE) == 0) - psc->core = (__DRIcoreExtension *) extensions[i]; - if (strcmp(extensions[i]->name, __DRI_LEGACY) == 0) - psc->legacy = (__DRIlegacyExtension *) extensions[i]; - } - - if (psc->core == NULL || psc->legacy == NULL) { - Xfree(psp); - return NULL; - } - - pdp = (__GLXDRIdisplayPrivate *) priv->driDisplay; - psc->__driScreen = CallCreateNewScreen(psc->dpy, screen, psc, pdp); - if (psc->__driScreen == NULL) { - dlclose(psc->driver); - Xfree(psp); - return NULL; - } - - driBindExtensions(psc); - driBindCommonExtensions(psc); - - if (psc->driCopySubBuffer) - psp->copySubBuffer = driCopySubBuffer; - - psp->destroyScreen = driDestroyScreen; - psp->createContext = driCreateContext; - psp->createDrawable = driCreateDrawable; - psp->swapBuffers = driSwapBuffers; - psp->waitX = NULL; - psp->waitGL = NULL; - - return psp; -} - -/* Called from __glXFreeDisplayPrivate. - */ -static void -driDestroyDisplay(__GLXDRIdisplay * dpy) -{ - Xfree(dpy); -} - -/* - * Allocate, initialize and return a __DRIdisplayPrivate object. - * This is called from __glXInitialize() when we are given a new - * display pointer. - */ -_X_HIDDEN __GLXDRIdisplay * -driCreateDisplay(Display * dpy) -{ - __GLXDRIdisplayPrivate *pdpyp; - int eventBase, errorBase; - int major, minor, patch; - - if (!XF86DRIQueryExtension(dpy, &eventBase, &errorBase)) { - return NULL; - } - - if (!XF86DRIQueryVersion(dpy, &major, &minor, &patch)) { - return NULL; - } - - pdpyp = Xmalloc(sizeof *pdpyp); - if (!pdpyp) { - return NULL; - } - - pdpyp->driMajor = major; - pdpyp->driMinor = minor; - pdpyp->driPatch = patch; - - pdpyp->base.destroyDisplay = driDestroyDisplay; - pdpyp->base.createScreen = driCreateScreen; - - return &pdpyp->base; -} - -#endif /* GLX_DIRECT_RENDERING */ |