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glsl/linker: Add support for XFB varying lowering in geometry shader

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Reviewed-by: Erik Faye-Lund <erik.faye-lund@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6723>
This commit is contained in:
Louis-Francis Ratté-Boulianne
2020-08-12 12:32:37 -04:00
committed by Marge Bot
parent 5bea0e88ba
commit f2b94ae085
3 changed files with 36 additions and 13 deletions
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2
src/mesa/state_tracker/st_extensions.c
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@@ -335,7 +335,7 @@ void st_init_limits(struct pipe_screen *screen,
*/
options->LowerBufferInterfaceBlocks = !prefer_nir;
if (sh == MESA_SHADER_VERTEX) {
if (sh == PIPE_SHADER_VERTEX || sh == PIPE_SHADER_GEOMETRY) {
if (screen->get_param(screen, PIPE_CAP_VIEWPORT_TRANSFORM_LOWERED))
options->LowerBuiltinVariablesXfb |= VARYING_BIT_POS;
if (screen->get_param(screen, PIPE_CAP_PSIZ_CLAMPED))