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authorBrian Paul <[email protected]>2017-04-06 14:55:53 -0600
committerBrian Paul <[email protected]>2017-04-26 11:37:59 -0600
commit577e114e4654c645fcb1673afe5bb849deccb2b3 (patch)
tree75b2b88a855f1830fb445c188967188cfbae21b5 /src/gallium/drivers/svga/svga_screen.c
parent8de0452ec4d96837846fffc65bc01a56103b9ed5 (diff)
svga: fail screen creation if HW version is too old
Tested by verifying 3D acceleration works with HWv8 but not earlier. For HWv7 and older we get the GDI Generic renderer. Reviewed-by: Neha Bhende<[email protected]> Reviewed-by: Charmaine Lee <[email protected]>
Diffstat (limited to 'src/gallium/drivers/svga/svga_screen.c')
-rw-r--r--src/gallium/drivers/svga/svga_screen.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/src/gallium/drivers/svga/svga_screen.c b/src/gallium/drivers/svga/svga_screen.c
index dc1744b61d7..c3ba6221874 100644
--- a/src/gallium/drivers/svga/svga_screen.c
+++ b/src/gallium/drivers/svga/svga_screen.c
@@ -988,6 +988,13 @@ svga_screen_create(struct svga_winsys_screen *sws)
svgascreen->hw_version = SVGA3D_HWVERSION_WS65_B1;
}
+ if (svgascreen->hw_version < SVGA3D_HWVERSION_WS8_B1) {
+ /* too old for 3D acceleration */
+ debug_printf("Hardware version 0x%x is too old for accerated 3D\n",
+ svgascreen->hw_version);
+ goto error2;
+ }
+
/*
* The D16, D24X8, and D24S8 formats always do an implicit shadow compare
* when sampled from, where as the DF16, DF24, and D24S8_INT do not. So