From: Charmaine Lee <charmainel@vmware.com>
Date: Wed, 2 Aug 2017 01:02:57 +0000 (-0700)
Subject: svga: abort shader translation upon indirect indexing of temporaries
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=57d9222ef29e080e944f28fdeeef9ed226461e08;p=mesa.git

svga: abort shader translation upon indirect indexing of temporaries

This patch aborts shader translation upon indirect indexing of temporary
register on non-vgpu10 device. This prevents non-supported feature
sending to the device.

Tested wth MTT-piglit, glretrace.

Reviewed-by: Brian Paul <brianp@vmware.com>
---

diff --git a/src/gallium/drivers/svga/svga_tgsi.c b/src/gallium/drivers/svga/svga_tgsi.c
index 7cbd5166900..0b2d8af64d9 100644
--- a/src/gallium/drivers/svga/svga_tgsi.c
+++ b/src/gallium/drivers/svga/svga_tgsi.c
@@ -209,6 +209,12 @@ svga_tgsi_vgpu9_translate(struct svga_context *svga,
       goto fail;
    }
 
+   if (emit.info.indirect_files & (1 << TGSI_FILE_TEMPORARY)) {
+      debug_printf(
+         "svga: indirect indexing of temporary registers is not supported.\n");
+      goto fail;
+   }
+
    emit.in_main_func = TRUE;
 
    if (!svga_shader_emit_header(&emit)) {