diff options
author | Dave Airlie <airlied@redhat.com> | 2009-02-13 01:11:25 +1000 |
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committer | Dave Airlie <airlied@redhat.com> | 2009-02-13 01:11:25 +1000 |
commit | 53116910b10e3b8a05f42970eff311c21808699f (patch) | |
tree | 6831e50a56a02fed324f8cb119e05d837e00d7cf /src/egl/drivers/dri/egldri.c | |
parent | 7e104f9cde94279a902b408e8d1cf21779b393a8 (diff) | |
parent | 0ccbc3c905f0594a35d72887a1f115e148aaa596 (diff) |
Merge remote branch 'origin/master' into radeon-rewrite
Conflicts:
configure.ac
src/mesa/drivers/dri/r200/r200_context.c
src/mesa/drivers/dri/r300/r300_render.c
Diffstat (limited to 'src/egl/drivers/dri/egldri.c')
-rw-r--r-- | src/egl/drivers/dri/egldri.c | 98 |
1 files changed, 84 insertions, 14 deletions
diff --git a/src/egl/drivers/dri/egldri.c b/src/egl/drivers/dri/egldri.c index cab0be2bd1..57661cc3ab 100644 --- a/src/egl/drivers/dri/egldri.c +++ b/src/egl/drivers/dri/egldri.c @@ -1,5 +1,6 @@ /** - * Generic EGL driver for DRI. + * Generic EGL driver for DRI. This is basically an "adaptor" driver + * that allows libEGL to load/use regular DRI drivers. * * This file contains all the code needed to interface DRI-based drivers * with libEGL. @@ -23,6 +24,7 @@ #include "egldisplay.h" #include "eglcontext.h" #include "eglconfig.h" +#include "eglconfigutil.h" #include "eglsurface.h" #include "eglscreen.h" #include "eglglobals.h" @@ -32,18 +34,72 @@ #include "egldri.h" const char *sysfs = "/sys/class"; -#define None 0 + static const int empty_attribute_list[1] = { None }; + +/** + * Given a card number, return the name of the DRI driver to use. + * This generally means reading the contents of + * /sys/class/drm/cardX/dri_library_name, where X is the card number + */ +static EGLBoolean +driver_name_from_card_number(int card, char *driverName, int maxDriverName) +{ + char path[2000]; + FILE *f; + int length; + + snprintf(path, sizeof(path), "%s/drm/card%d/dri_library_name", sysfs, card); + + f = fopen(path, "r"); + if (!f) + return EGL_FALSE; + + fgets(driverName, maxDriverName, f); + fclose(f); + + if ((length = strlen(driverName)) > 1) { + /* remove the trailing newline from sysfs */ + driverName[length - 1] = '\0'; + strncat(driverName, "_dri", maxDriverName); + return EGL_TRUE; + } + else { + return EGL_FALSE; + } +} + + + /** * The bootstrap function. * Return a new driDriver object and plug in API functions. * This function, in turn, loads a specific DRI driver (ex: r200_dri.so). */ _EGLDriver * -_eglMain(_EGLDisplay *dpy) +_eglMain(_EGLDisplay *dpy, const char *args) { +#if 1 + const int card = args ? atoi(args) : 0; + _EGLDriver *driver = NULL; + char driverName[1000]; + + if (!driver_name_from_card_number(card, driverName, sizeof(driverName))) { + _eglLog(_EGL_WARNING, + "Unable to determine driver name for card %d\n", card); + return NULL; + } + + _eglLog(_EGL_DEBUG, "Driver name: %s\n", driverName); + + driver = _eglOpenDriver(dpy, driverName, args); + + return driver; + +#else + int length; char path[NAME_MAX]; struct dirent *dirent; @@ -58,14 +114,19 @@ _eglMain(_EGLDisplay *dpy) _eglLog(_EGL_WARNING, "%s DRM devices not found.", path); return EGL_FALSE; } + + /* loop over dir entries looking for cardX where "X" is in the + * dpy->DriverName ":X" string. + */ while ((dirent = readdir(dir))) { if (strncmp(&dirent->d_name[0], "card", 4) != 0) continue; - if (strcmp(&dirent->d_name[4], &dpy->Name[1]) != 0) + if (strcmp(&dirent->d_name[4], &driverName[1]) != 0) continue; - snprintf(path, sizeof(path), "%s/drm/card%s/dri_library_name", sysfs, &dpy->Name[1]); + snprintf(path, sizeof(path), "%s/drm/card%s/dri_library_name", + sysfs, &driverName[1]); _eglLog(_EGL_INFO, "Opening %s", path); #if 1 file = fopen(path, "r"); @@ -89,6 +150,7 @@ _eglMain(_EGLDisplay *dpy) closedir(dir); return driver; +#endif } @@ -141,7 +203,7 @@ _eglDRICreateContext(_EGLDriver *drv, EGLDisplay dpy, EGLConfig config, /* generate handle and insert into hash table */ _eglSaveContext(&c->Base); - return c->Base.Handle; + return _eglGetContextHandle(&c->Base); } @@ -152,13 +214,15 @@ _eglDRIMakeCurrent(_EGLDriver *drv, EGLDisplay dpy, EGLSurface draw, driDisplay *disp = Lookup_driDisplay(dpy); driContext *ctx = Lookup_driContext(context); EGLBoolean b; + __DRIid drawBuf = (__DRIid) draw; + __DRIid readBuf = (__DRIid) read; b = _eglMakeCurrent(drv, dpy, draw, read, context); if (!b) return EGL_FALSE; if (ctx) { - ctx->driContext.bindContext(disp, 0, read, draw, &ctx->driContext); + ctx->driContext.bindContext(disp, 0, drawBuf, readBuf, &ctx->driContext); } else { /* what's this??? */ @@ -190,7 +254,7 @@ _eglDRICreatePbufferSurface(_EGLDriver *drv, EGLDisplay dpy, EGLConfig config, #if 0 GLcontext *ctx = NULL; /* this _should_ be OK */ #endif - GLvisual visMode; + __GLcontextModes visMode; _EGLConfig *conf = _eglLookupConfig(drv, dpy, config); assert(conf); /* bad config should be caught earlier */ _eglConfigToContextModesRec(conf, &visMode); @@ -267,7 +331,8 @@ _eglDRICreateScreenSurfaceMESA(_EGLDriver *drv, EGLDisplay dpy, EGLConfig cfg, _EGLConfig *config = _eglLookupConfig(drv, dpy, cfg); driDisplay *disp = Lookup_driDisplay(dpy); driSurface *surface; - GLvisual visMode; + __GLcontextModes visMode; + __DRIid drawBuf; surface = (driSurface *) calloc(1, sizeof(*surface)); if (!surface) { @@ -292,8 +357,10 @@ _eglDRICreateScreenSurfaceMESA(_EGLDriver *drv, EGLDisplay dpy, EGLConfig cfg, /* convert EGLConfig to GLvisual */ _eglConfigToContextModesRec(config, &visMode); + drawBuf = (__DRIid) _eglGetSurfaceHandle(&surface->Base); + /* Create a new DRI drawable */ - if (!disp->driScreen.createNewDrawable(disp, &visMode, surface->Base.Handle, + if (!disp->driScreen.createNewDrawable(disp, &visMode, drawBuf, &surface->drawable, GLX_WINDOW_BIT, empty_attribute_list)) { _eglRemoveSurface(&surface->Base); @@ -715,7 +782,7 @@ __eglGetDrawableInfo(__DRInativeDisplay * ndpy, int screen, __DRIid drawable, { __DRIscreen *pDRIScreen; __DRIscreenPrivate *psp; - driSurface *surf = Lookup_driSurface(drawable); + driSurface *surf = Lookup_driSurface((EGLSurface) drawable); pDRIScreen = __eglFindDRIScreen(ndpy, screen); @@ -1019,8 +1086,10 @@ _eglDRICreateDisplay(driDisplay *dpy, __DRIframebuffer *framebuffer) api_ver, & interface_methods, NULL); - if (!dpy->driScreen.private) + if (!dpy->driScreen.private) { + _eglLog(_EGL_WARNING, "egldri.c: DRI create new screen failed"); return EGL_FALSE; + } DRM_UNLOCK( dpy->drmFD, dpy->pSAREA, dpy->serverContext ); @@ -1080,6 +1149,7 @@ _eglDRIInitialize(_EGLDriver *drv, EGLDisplay dpy, { _EGLDisplay *disp = _eglLookupDisplay(dpy); driDisplay *display; + const char *driverName = (const char *) disp->NativeDisplay; assert(disp); @@ -1088,13 +1158,13 @@ _eglDRIInitialize(_EGLDriver *drv, EGLDisplay dpy, */ display = calloc(1, sizeof(*display)); display->Base = *disp; - _eglHashInsert(_eglGlobal.Displays, disp->Handle, display); + _eglSaveDisplay(&display->Base); free(disp); *major = 1; *minor = 0; - sscanf(&disp->Name[1], "%d", &display->minor); + sscanf(driverName + 1, "%d", &display->minor); drv->Initialized = EGL_TRUE; return EGL_TRUE; |