On Thu, 29 Aug 2019 13:54:16 +0200 Boris Brezillon
<boris.brezil...@collabora.com> said:
These 2 do improve things, but once you start doing BindFramebuffer()'s as part
of the render cycle ... its back to rendering artifacts. I am not quite sure
exactly what yet. I need to capture some output and traces to get a better idea
of what is going on.
> So we can call st_validate_state() from dri2_set_damage_region() in
> order to update the BACK_LEFT attachement before using it. If we don't
> do that, the resource passed to pipe_screen->set_damage_region() might
> be wrong.
>
> Signed-off-by: Boris Brezillon <boris.brezil...@collabora.com>
> ---
> Hi,
>
> I honestly don't know if this is the right thing to do. Passing a
> context for somethings that we decided to bind to a surface (and
> the underlying resources attached to it) seems wrong, but at the same
> time I don't see any other option to sync the gallium drawable state
> with the EGL DRI surface one.
>
> Any ideas/suggestions?
>
> Regards,
>
> Boris
> ---
> include/GL/internal/dri_interface.h | 5 +++--
> src/egl/drivers/dri2/egl_dri2.c | 7 +++++--
> src/gallium/state_trackers/dri/dri2.c | 11 ++++++++++-
> 3 files changed, 18 insertions(+), 5 deletions(-)
>
> diff --git a/include/GL/internal/dri_interface.h
> b/include/GL/internal/dri_interface.h index 4c60d349ddd5..e04bed689219 100644
> --- a/include/GL/internal/dri_interface.h
> +++ b/include/GL/internal/dri_interface.h
> @@ -527,12 +527,13 @@ struct __DRI2bufferDamageExtensionRec {
> *
> * Used to implement EGL_KHR_partial_update.
> *
> + * \param ctx context
> * \param drawable affected drawable
> * \param nrects number of rectangles provided
> * \param rects the array of rectangles, lower-left origin
> */
> - void (*set_damage_region)(__DRIdrawable *drawable, unsigned int nrects,
> - int *rects);
> + void (*set_damage_region)(__DRIcontext *_ctx, __DRIdrawable *drawable,
> + unsigned int nrects, int *rects);
> };
>
> /*@}*/
> diff --git a/src/egl/drivers/dri2/egl_dri2.c b/src/egl/drivers/dri2/egl_dri2.c
> index ea8ae5d44c56..797a76dab13c 100644
> --- a/src/egl/drivers/dri2/egl_dri2.c
> +++ b/src/egl/drivers/dri2/egl_dri2.c
> @@ -1812,11 +1812,14 @@ dri2_set_damage_region(_EGLDriver *drv, _EGLDisplay
> *disp, _EGLSurface *surf, {
> struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
> __DRIdrawable *drawable = dri2_dpy->vtbl->get_dri_drawable(surf);
> + _EGLContext *ctx = _eglGetCurrentContext();
> + __DRIcontext *dri_ctx = ctx ? dri2_egl_context(ctx)->dri_context : NULL;
>
> - if (!dri2_dpy->buffer_damage || !
> dri2_dpy->buffer_damage->set_damage_region)
> + if (!dri2_dpy->buffer_damage || !
> dri2_dpy->buffer_damage->set_damage_region ||
> + !dri_ctx)
> return EGL_FALSE;
>
> - dri2_dpy->buffer_damage->set_damage_region(drawable, n_rects, rects);
> + dri2_dpy->buffer_damage->set_damage_region(dri_ctx, drawable, n_rects,
> rects); return EGL_TRUE;
> }
>
> diff --git a/src/gallium/state_trackers/dri/dri2.c
> b/src/gallium/state_trackers/dri/dri2.c index 11ce19787249..bab503046510
> 100644
> --- a/src/gallium/state_trackers/dri/dri2.c
> +++ b/src/gallium/state_trackers/dri/dri2.c
> @@ -36,6 +36,7 @@
> #include "util/u_format.h"
> #include "util/u_debug.h"
> #include "state_tracker/drm_driver.h"
> +#include "state_tracker/st_atom.h"
> #include "state_tracker/st_cb_bufferobjects.h"
> #include "state_tracker/st_cb_fbo.h"
> #include "state_tracker/st_cb_texture.h"
> @@ -1869,9 +1870,17 @@ static const __DRI2interopExtension
> dri2InteropExtension = {
> * \brief the DRI2bufferDamageExtension set_damage_region method
> */
> static void
> -dri2_set_damage_region(__DRIdrawable *dPriv, unsigned int nrects, int *rects)
> +dri2_set_damage_region(__DRIcontext *_ctx, __DRIdrawable *dPriv,
> + unsigned int nrects, int *rects)
> {
> struct dri_drawable *drawable = dri_drawable(dPriv);
> + struct st_context *st = (struct st_context *)dri_context(_ctx)->st;
> +
> + /* Make sure drawable->textures[ST_ATTACHMENT_BACK_LEFT] is up-to-date
> + * before using it.
> + */
> + st_validate_state(st, ST_PIPELINE_UPDATE_FRAMEBUFFER);
> +
> struct pipe_resource *resource =
> drawable->textures[ST_ATTACHMENT_BACK_LEFT]; struct pipe_screen *screen =
> resource->screen; struct pipe_box *boxes = NULL;
> --
> 2.21.0
>
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--
------------- Codito, ergo sum - "I code, therefore I am" --------------
Carsten Haitzler - ras...@rasterman.com
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