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authorBrian Paul <[email protected]>2009-02-09 09:22:22 -0700
committerBrian Paul <[email protected]>2009-02-09 09:22:22 -0700
commite97681c7f551a2a2a6bd5eff0f4192a870c816c0 (patch)
treedff2bf0e6d22efb92af131f64be0621ed316977c /src/egl/drivers/dri/egldri.c
parent1a46c8a062aea59de5cf55881104489db5d609e5 (diff)
parentb907d4cd8fafe719b4f87d877562829548937485 (diff)
mesa: merge gallium-0.2 into gallium-master-merge
Merge commit 'origin/gallium-0.2' into gallium-master-merge Conflicts: Makefile docs/relnotes-7.4.html docs/relnotes.html src/mesa/drivers/dri/i965/brw_wm.h src/mesa/main/imports.c src/mesa/main/mtypes.h src/mesa/main/texcompress.c src/mesa/main/texenvprogram.c src/mesa/main/version.h src/mesa/vbo/vbo_exec_api.c src/mesa/vbo/vbo_save_draw.c
Diffstat (limited to 'src/egl/drivers/dri/egldri.c')
-rw-r--r--src/egl/drivers/dri/egldri.c98
1 files changed, 84 insertions, 14 deletions
diff --git a/src/egl/drivers/dri/egldri.c b/src/egl/drivers/dri/egldri.c
index cab0be2bd18..57661cc3ab8 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;