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-rw-r--r--src/gallium/drivers/virgl/virgl_screen.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/src/gallium/drivers/virgl/virgl_screen.c b/src/gallium/drivers/virgl/virgl_screen.c
index e32d454d19b..e2fe2209fe1 100644
--- a/src/gallium/drivers/virgl/virgl_screen.c
+++ b/src/gallium/drivers/virgl/virgl_screen.c
@@ -496,6 +496,13 @@ virgl_is_format_supported( struct pipe_screen *screen,
return virgl_is_vertex_format_supported(screen, format);
}
+ /* Allow 3-comp 32 bit textures only for TBOs (needed for ARB_tbo_rgb32) */
+ if ((format == PIPE_FORMAT_R32G32B32_FLOAT ||
+ format == PIPE_FORMAT_R32G32B32_SINT ||
+ format == PIPE_FORMAT_R32G32B32_UINT) &&
+ target != PIPE_BUFFER)
+ return FALSE;
+
if (bind & PIPE_BIND_RENDER_TARGET) {
if (format_desc->colorspace == UTIL_FORMAT_COLORSPACE_ZS)
return FALSE;