diff options
| author | Axel Davy <[email protected]> | 2015-10-21 12:28:00 +0200 |
|---|---|---|
| committer | Marek Olšák <[email protected]> | 2016-03-09 15:02:25 +0100 |
| commit | d943ac432de1f46cea47bdbf5ffe5365e2aef386 (patch) | |
| tree | e2d3c5e38aef81af1fd376b292d43e217c6990c2 | |
| parent | 2188c77a0ee9b29f89dde316116d53fe22e526e0 (diff) | |
dri: add backbuffer use flag
This will be used by the next commit.
Reviewed-by: Ian Romanick <[email protected]>
| -rw-r--r-- | include/GL/internal/dri_interface.h | 5 | ||||
| -rw-r--r-- | src/egl/drivers/dri2/platform_wayland.c | 8 | ||||
| -rw-r--r-- | src/loader/loader_dri3_helper.c | 6 |
3 files changed, 14 insertions, 5 deletions
diff --git a/include/GL/internal/dri_interface.h b/include/GL/internal/dri_interface.h index 6bbd3fa87f5..2b49a2941e1 100644 --- a/include/GL/internal/dri_interface.h +++ b/include/GL/internal/dri_interface.h @@ -1100,6 +1100,11 @@ struct __DRIdri2ExtensionRec { #define __DRI_IMAGE_USE_SCANOUT 0x0002 #define __DRI_IMAGE_USE_CURSOR 0x0004 /* Depricated */ #define __DRI_IMAGE_USE_LINEAR 0x0008 +/* The buffer will only be read by an external process after SwapBuffers, + * in contrary to gbm buffers, front buffers and fake front buffers, which + * could be read after a flush." + */ +#define __DRI_IMAGE_USE_BACKBUFFER 0x0010 /** diff --git a/src/egl/drivers/dri2/platform_wayland.c b/src/egl/drivers/dri2/platform_wayland.c index 341acb7ed1b..ff0d5c802ac 100644 --- a/src/egl/drivers/dri2/platform_wayland.c +++ b/src/egl/drivers/dri2/platform_wayland.c @@ -305,7 +305,7 @@ get_back_bo(struct dri2_egl_surface *dri2_surf) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(dri2_surf->base.Resource.Display); - int i; + int i, use_flags; unsigned int dri_image_format; /* currently supports three WL DRM formats, @@ -352,6 +352,8 @@ get_back_bo(struct dri2_egl_surface *dri2_surf) if (dri2_surf->back == NULL) return -1; + use_flags = __DRI_IMAGE_USE_SHARE | __DRI_IMAGE_USE_BACKBUFFER; + if (dri2_dpy->is_different_gpu && dri2_surf->back->linear_copy == NULL) { dri2_surf->back->linear_copy = @@ -359,7 +361,7 @@ get_back_bo(struct dri2_egl_surface *dri2_surf) dri2_surf->base.Width, dri2_surf->base.Height, dri_image_format, - __DRI_IMAGE_USE_SHARE | + use_flags | __DRI_IMAGE_USE_LINEAR, NULL); if (dri2_surf->back->linear_copy == NULL) @@ -373,7 +375,7 @@ get_back_bo(struct dri2_egl_surface *dri2_surf) dri2_surf->base.Height, dri_image_format, dri2_dpy->is_different_gpu ? - 0 : __DRI_IMAGE_USE_SHARE, + 0 : use_flags, NULL); dri2_surf->back->age = 0; } diff --git a/src/loader/loader_dri3_helper.c b/src/loader/loader_dri3_helper.c index 62bfe845c08..896f2252f36 100644 --- a/src/loader/loader_dri3_helper.c +++ b/src/loader/loader_dri3_helper.c @@ -858,7 +858,8 @@ dri3_alloc_render_buffer(struct loader_dri3_drawable *draw, unsigned int format, width, height, format, __DRI_IMAGE_USE_SHARE | - __DRI_IMAGE_USE_SCANOUT, + __DRI_IMAGE_USE_SCANOUT | + __DRI_IMAGE_USE_BACKBUFFER, buffer); pixmap_buffer = buffer->image; @@ -878,7 +879,8 @@ dri3_alloc_render_buffer(struct loader_dri3_drawable *draw, unsigned int format, (draw->ext->image->createImage)(draw->dri_screen, width, height, format, __DRI_IMAGE_USE_SHARE | - __DRI_IMAGE_USE_LINEAR, + __DRI_IMAGE_USE_LINEAR | + __DRI_IMAGE_USE_BACKBUFFER, buffer); pixmap_buffer = buffer->linear_buffer; |