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st/mesa: increase viewport bounds limits for GL4 hw

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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 <imirkin@alum.mit.edu>
Cc: "11.0" <mesa-stable@lists.freedesktop.org>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
This commit is contained in:
Ilia Mirkin 2015-09-08 16:58:43 -04:00
parent 39df725f73
commit 458e55d7c5
1 changed files with 7 additions and 2 deletions
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9
src/mesa/state_tracker/st_extensions.c
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@ -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)