From 82634ee8df7328b9235abd8352d33b0b3d953600 Mon Sep 17 00:00:00 2001 From: Ian Romanick Date: Mon, 6 Apr 2009 12:44:18 -0700 Subject: [PATCH] DRI2: Provide an interface for drivers to flush front-buffer rendering MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Signed-off-by: Ian Romanick Reviewed-by: Kristian Høgsberg --- include/GL/internal/dri_interface.h | 15 ++++++++++++++- src/glx/x11/dri2_glx.c | 10 ++++++++++ 2 files changed, 24 insertions(+), 1 deletion(-) diff --git a/include/GL/internal/dri_interface.h b/include/GL/internal/dri_interface.h index a83602bfd87..335bf62a801 100644 --- a/include/GL/internal/dri_interface.h +++ b/include/GL/internal/dri_interface.h @@ -659,7 +659,7 @@ struct __DRIbufferRec { }; #define __DRI_DRI2_LOADER "DRI_DRI2Loader" -#define __DRI_DRI2_LOADER_VERSION 1 +#define __DRI_DRI2_LOADER_VERSION 2 struct __DRIdri2LoaderExtensionRec { __DRIextension base; @@ -667,6 +667,19 @@ struct __DRIdri2LoaderExtensionRec { int *width, int *height, unsigned int *attachments, int count, int *out_count, void *loaderPrivate); + + /** + * Flush pending front-buffer rendering + * + * Any rendering that has been performed to the + * \c __DRI_BUFFER_FAKE_FRONT_LEFT will be flushed to the + * \c __DRI_BUFFER_FRONT_LEFT. + * + * \param driDrawable Drawable whose front-buffer is to be flushed + * \param loaderPrivate Loader's private data that was previously passed + * into __DRIdri2ExtensionRec::createNewDrawable + */ + void (*flushFrontBuffer)(__DRIdrawable *driDrawable, void *loaderPrivate); }; /** diff --git a/src/glx/x11/dri2_glx.c b/src/glx/x11/dri2_glx.c index 9c8f1101b9e..aa21a97023f 100644 --- a/src/glx/x11/dri2_glx.c +++ b/src/glx/x11/dri2_glx.c @@ -273,6 +273,15 @@ static void dri2WaitGL(__GLXDRIdrawable *pdraw) XFixesDestroyRegion(pdraw->psc->dpy, region); } + +static void dri2FlushFrontBuffer(__DRIdrawable *driDrawable, + void *loaderPrivate) +{ + (void) driDrawable; + dri2WaitGL((__GLXDRIdrawable *) loaderPrivate); +} + + static void dri2DestroyScreen(__GLXscreenConfigs *psc) { /* Free the direct rendering per screen data */ @@ -327,6 +336,7 @@ dri2GetBuffers(__DRIdrawable *driDrawable, static const __DRIdri2LoaderExtension dri2LoaderExtension = { { __DRI_DRI2_LOADER, __DRI_DRI2_LOADER_VERSION }, dri2GetBuffers, + dri2FlushFrontBuffer }; static const __DRIextension *loader_extensions[] = { -- 2.30.2