From 458e55d7c5793b02af8b08ebec90906a829d3f65 Mon Sep 17 00:00:00 2001 From: Ilia Mirkin Date: Tue, 8 Sep 2015 16:58:43 -0400 Subject: [PATCH] st/mesa: increase viewport bounds limits for GL4 hw MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit According to the ARB_viewport_array spec, GL4 limit is higher than the GL3 limit. Also take this opportunity to fix the GL3 limit. Signed-off-by: Ilia Mirkin Cc: "11.0" Reviewed-by: Marek Olšák --- src/mesa/state_tracker/st_extensions.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/src/mesa/state_tracker/st_extensions.c b/src/mesa/state_tracker/st_extensions.c index 17f572f80fb..884761c6c30 100644 --- a/src/mesa/state_tracker/st_extensions.c +++ b/src/mesa/state_tracker/st_extensions.c @@ -873,8 +873,13 @@ void st_init_extensions(struct pipe_screen *screen, consts->MaxViewports = screen->get_param(screen, PIPE_CAP_MAX_VIEWPORTS); if (consts->MaxViewports >= 16) { - consts->ViewportBounds.Min = -16384.0; - consts->ViewportBounds.Max = 16384.0; + if (glsl_feature_level >= 400) { + consts->ViewportBounds.Min = -32768.0; + consts->ViewportBounds.Max = 32767.0; + } else { + consts->ViewportBounds.Min = -16384.0; + consts->ViewportBounds.Max = 16383.0; + } extensions->ARB_viewport_array = GL_TRUE; extensions->ARB_fragment_layer_viewport = GL_TRUE; if (extensions->AMD_vertex_shader_layer) -- 2.11.0