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-rw-r--r--src/egl/drivers/dri2/egl_dri2.c19
-rw-r--r--src/egl/main/eglcontext.c85
2 files changed, 75 insertions, 29 deletions
diff --git a/src/egl/drivers/dri2/egl_dri2.c b/src/egl/drivers/dri2/egl_dri2.c
index 15b3529cd2..8b6f78cdc9 100644
--- a/src/egl/drivers/dri2/egl_dri2.c
+++ b/src/egl/drivers/dri2/egl_dri2.c
@@ -54,6 +54,8 @@
struct dri2_egl_driver
{
_EGLDriver base;
+
+ void (*glFlush)(void);
};
struct dri2_egl_display
@@ -760,6 +762,7 @@ dri2_initialize(_EGLDriver *drv, _EGLDisplay *disp,
disp->Extensions.KHR_image_base = EGL_TRUE;
disp->Extensions.KHR_image_pixmap = EGL_TRUE;
disp->Extensions.KHR_gl_renderbuffer_image = EGL_TRUE;
+ disp->Extensions.KHR_gl_texture_2D_image = EGL_TRUE;
/* we're supporting EGL 1.4 */
*major = 1;
@@ -873,6 +876,7 @@ static EGLBoolean
dri2_make_current(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *dsurf,
_EGLSurface *rsurf, _EGLContext *ctx)
{
+ struct dri2_egl_driver *dri2_drv = dri2_egl_driver(drv);
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
struct dri2_egl_surface *dri2_dsurf = dri2_egl_surface(dsurf);
struct dri2_egl_surface *dri2_rsurf = dri2_egl_surface(rsurf);
@@ -884,6 +888,10 @@ dri2_make_current(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *dsurf,
if (!_eglBindContext(&ctx, &dsurf, &rsurf))
return EGL_FALSE;
+ /* flush before context switch */
+ if (ctx && dri2_drv->glFlush)
+ dri2_drv->glFlush();
+
ddraw = (dri2_dsurf) ? dri2_dsurf->dri_drawable : NULL;
rdraw = (dri2_rsurf) ? dri2_rsurf->dri_drawable : NULL;
cctx = (dri2_ctx) ? dri2_ctx->dri_context : NULL;
@@ -1011,10 +1019,18 @@ dri2_create_pbuffer_surface(_EGLDriver *drv, _EGLDisplay *disp,
static EGLBoolean
dri2_swap_buffers(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *draw)
{
+ struct dri2_egl_driver *dri2_drv = dri2_egl_driver(drv);
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
struct dri2_egl_surface *dri2_surf = dri2_egl_surface(draw);
+ _EGLContext *ctx;
xcb_dri2_copy_region_cookie_t cookie;
+ if (dri2_drv->glFlush) {
+ ctx = _eglGetCurrentContext();
+ if (ctx && ctx->DrawSurface == &dri2_surf->base)
+ dri2_drv->glFlush();
+ }
+
(*dri2_dpy->flush->flush)(dri2_surf->dri_drawable);
#if 0
@@ -1352,5 +1368,8 @@ _eglMain(const char *args)
dri2_drv->base.Name = "DRI2";
dri2_drv->base.Unload = dri2_unload;
+ dri2_drv->glFlush =
+ (void (*)(void)) dri2_get_proc_address(&dri2_drv->base, "glFlush");
+
return &dri2_drv->base;
}
diff --git a/src/egl/main/eglcontext.c b/src/egl/main/eglcontext.c
index 012d8dfe1f..d5a1e79a99 100644
--- a/src/egl/main/eglcontext.c
+++ b/src/egl/main/eglcontext.c
@@ -208,25 +208,56 @@ _eglQueryContext(_EGLDriver *drv, _EGLDisplay *dpy, _EGLContext *c,
* bound to; when the context is NULL, the same surfaces are returned.
*/
static void
-_eglBindContextToSurfaces(_EGLContext *ctx,
+_eglBindContextToSurfaces(_EGLContext *newCtx,
_EGLSurface **draw, _EGLSurface **read)
{
_EGLSurface *newDraw = *draw, *newRead = *read;
+ _EGLContext *oldCtx;
+
+ /*
+ * The goal is to bind a newCtx to newDraw. Since newDraw may already have
+ * a binding context (oldCtx), and newCtx may already be bound to another
+ * surface (oldDraw), the old bindings are broken first and the new one is
+ * created.
+ */
+ oldCtx = newDraw->CurrentContext;
+ if (newCtx != oldCtx) {
+ if (oldCtx) {
+ assert(oldCtx->DrawSurface == newDraw);
+ oldCtx->DrawSurface = NULL;
+ }
+
+ if (newCtx) {
+ _EGLSurface *oldDraw = newCtx->DrawSurface;
+ if (oldDraw)
+ oldDraw->CurrentContext = NULL;
+
+ newCtx->DrawSurface = newDraw;
+ *draw = oldDraw;
+ }
+
+ newDraw->CurrentContext = newCtx;
+ }
- if (newDraw->CurrentContext)
- newDraw->CurrentContext->DrawSurface = NULL;
- newDraw->CurrentContext = ctx;
+ /* likewise */
+ if (newRead != newDraw)
+ oldCtx = newRead->CurrentContext;
+ if (newCtx != oldCtx) {
+ if (oldCtx) {
+ assert(oldCtx->ReadSurface == newRead);
+ oldCtx->ReadSurface = NULL;
+ }
- if (newRead->CurrentContext)
- newRead->CurrentContext->ReadSurface = NULL;
- newRead->CurrentContext = ctx;
+ if (newCtx) {
+ _EGLSurface *oldRead = newCtx->ReadSurface;
+ if (oldRead)
+ oldRead->CurrentContext = NULL;
- if (ctx) {
- *draw = ctx->DrawSurface;
- ctx->DrawSurface = newDraw;
+ newCtx->ReadSurface = newRead;
+ *read = oldRead;
+ }
- *read = ctx->ReadSurface;
- ctx->ReadSurface = newRead;
+ newRead->CurrentContext = newCtx;
}
}
@@ -246,15 +277,14 @@ _eglBindContextToThread(_EGLContext *ctx, _EGLThreadInfo *t)
_eglConvertApiToIndex(ctx->ClientAPI) : t->CurrentAPIIndex;
oldCtx = t->CurrentContexts[apiIndex];
- if (ctx == oldCtx)
- return NULL;
+ if (ctx != oldCtx) {
+ if (oldCtx)
+ oldCtx->Binding = NULL;
+ if (ctx)
+ ctx->Binding = t;
- if (oldCtx)
- oldCtx->Binding = NULL;
- if (ctx)
- ctx->Binding = t;
-
- t->CurrentContexts[apiIndex] = ctx;
+ t->CurrentContexts[apiIndex] = ctx;
+ }
return oldCtx;
}
@@ -347,19 +377,13 @@ _eglBindContext(_EGLContext **ctx, _EGLSurface **draw, _EGLSurface **read)
/* bind the new context */
oldCtx = _eglBindContextToThread(newCtx, t);
- *ctx = oldCtx;
+
if (newCtx)
_eglBindContextToSurfaces(newCtx, draw, read);
/* unbind the old context from its binding surfaces */
- if (oldCtx) {
- /*
- * If the new context replaces some old context, the new one should not
- * be current before the replacement and it should not be bound to any
- * surface.
- */
- if (newCtx)
- assert(!*draw && !*read);
+ if (oldCtx && oldCtx != newCtx) {
+ assert(!*draw && !*read);
*draw = oldCtx->DrawSurface;
*read = oldCtx->ReadSurface;
@@ -368,6 +392,9 @@ _eglBindContext(_EGLContext **ctx, _EGLSurface **draw, _EGLSurface **read)
_eglBindContextToSurfaces(NULL, draw, read);
}
+ *ctx = oldCtx;
+ /* draw and read have been updated in _eglBindContextToSurfaces */
+
return EGL_TRUE;
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-10-10 06:14:00 +0000