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-rw-r--r--src/egl/drivers/dri/Makefile7
-rw-r--r--src/egl/drivers/dri/egldri.c98
-rw-r--r--src/egl/drivers/dri/egldri.h9
3 files changed, 95 insertions, 19 deletions
diff --git a/src/egl/drivers/dri/Makefile b/src/egl/drivers/dri/Makefile
index af0c40fe2b..3bd6b524ec 100644
--- a/src/egl/drivers/dri/Makefile
+++ b/src/egl/drivers/dri/Makefile
@@ -29,6 +29,8 @@ SOURCES = egldri.c
OBJECTS = $(SOURCES:.c=.o)
+DRM_LIB = `pkg-config --libs libdrm`
+
.c.o:
$(CC) -c $(INCLUDE_DIRS) $(CFLAGS) $< -o $@
@@ -44,7 +46,7 @@ library: $(TOP)/$(LIB_DIR)/libEGLdri.so
$(TOP)/$(LIB_DIR)/libEGLdri.so: $(OBJECTS)
$(MKLIB) -o EGLdri -linker '$(CC)' -ldflags '$(LDFLAGS)' \
-major 1 -minor 0 \
- -install $(TOP)/$(LIB_DIR) -ldl $(OBJECTS)
+ -install $(TOP)/$(LIB_DIR) -ldl $(OBJECTS) $(LIBS)
clean:
@@ -53,9 +55,10 @@ clean:
depend: $(SOURCES) $(HEADERS)
@ echo "running $(MKDEP)"
+ @ rm -f depend
@ touch depend
$(MKDEP) $(MKDEP_OPTIONS) $(DEFINES) $(INCLUDE_DIRS) \
- $(SOURCES) $(HEADERS) > /dev/null
+ $(SOURCES) $(HEADERS) >/dev/null 2>/dev/null
include depend
# DO NOT DELETE
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;
diff --git a/src/egl/drivers/dri/egldri.h b/src/egl/drivers/dri/egldri.h
index 34b12d64fc..54a9a4ea26 100644
--- a/src/egl/drivers/dri/egldri.h
+++ b/src/egl/drivers/dri/egldri.h
@@ -1,11 +1,14 @@
#ifndef EGLDRI_INCLUDED
#define EGLDRI_INCLUDED
+#include <stdlib.h>
+#include <string.h>
+#include <stdint.h>
#include "egldisplay.h"
#include "eglscreen.h"
#include "eglsurface.h"
#include "eglcontext.h"
-#include "mtypes.h"
+
#include "dri_util.h"
#include "drm_sarea.h"
@@ -14,7 +17,7 @@
*/
typedef struct dri_display
{
- _EGLDisplay Base; /* base class/object */
+ _EGLDisplay Base; /**< base class */
void *pFB;
int drmFD; /**< \brief DRM device file descriptor */
int minor;
@@ -32,7 +35,7 @@ typedef struct dri_display
unsigned long FBStart; /**< \brief physical address of the framebuffer */
void *driverClientMsg;
int driverClientMsgSize;
- int chipset;
+ unsigned chipset;
void *driverPrivate;
drm_magic_t magic;
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-27 06:37:35 +0000