From 7e55c3b352b6616fa2780f683dd6c8e1a3f61815 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Michel=20D=C3=A4nzer?= Date: Thu, 25 Sep 2014 15:29:56 +0900 Subject: [PATCH] st/mesa: Use PIPE_USAGE_STAGING for GL_STATIC/DYNAMIC/STREAM_READ buffers MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Such buffers can only be useful by reading from them with the CPU, so we need to make sure CPU reads are fast. Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=84178 Reviewed-by: Marek Olšák Cc: mesa-stable@lists.freedesktop.org --- src/mesa/state_tracker/st_cb_bufferobjects.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/src/mesa/state_tracker/st_cb_bufferobjects.c b/src/mesa/state_tracker/st_cb_bufferobjects.c index e0cb979f231..d53602c8b5a 100644 --- a/src/mesa/state_tracker/st_cb_bufferobjects.c +++ b/src/mesa/state_tracker/st_cb_bufferobjects.c @@ -246,21 +246,23 @@ st_bufferobj_data(struct gl_context *ctx, /* BufferData */ switch (usage) { case GL_STATIC_DRAW: - case GL_STATIC_READ: case GL_STATIC_COPY: default: pipe_usage = PIPE_USAGE_DEFAULT; break; case GL_DYNAMIC_DRAW: - case GL_DYNAMIC_READ: case GL_DYNAMIC_COPY: pipe_usage = PIPE_USAGE_DYNAMIC; break; case GL_STREAM_DRAW: - case GL_STREAM_READ: case GL_STREAM_COPY: pipe_usage = PIPE_USAGE_STREAM; break; + case GL_STATIC_READ: + case GL_DYNAMIC_READ: + case GL_STREAM_READ: + pipe_usage = PIPE_USAGE_STAGING; + break; } } -- 2.30.2