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-rw-r--r--src/gallium/drivers/llvmpipe/lp_setup.c12
1 files changed, 3 insertions, 9 deletions
diff --git a/src/gallium/drivers/llvmpipe/lp_setup.c b/src/gallium/drivers/llvmpipe/lp_setup.c
index f622b192718..768775b2912 100644
--- a/src/gallium/drivers/llvmpipe/lp_setup.c
+++ b/src/gallium/drivers/llvmpipe/lp_setup.c
@@ -39,6 +39,7 @@
#include "util/u_inlines.h"
#include "util/u_memory.h"
#include "util/u_pack_color.h"
+#include "util/u_viewport.h"
#include "draw/draw_pipe.h"
#include "os/os_time.h"
#include "lp_context.h"
@@ -771,15 +772,8 @@ lp_setup_set_viewports(struct lp_setup_context *setup,
for (i = 0; i < num_viewports; i++) {
float min_depth;
float max_depth;
-
- if (lp->rasterizer->clip_halfz == 0) {
- float half_depth = viewports[i].scale[2];
- min_depth = viewports[i].translate[2] - half_depth;
- max_depth = min_depth + half_depth * 2.0f;
- } else {
- min_depth = viewports[i].translate[2];
- max_depth = min_depth + viewports[i].scale[2];
- }
+ util_viewport_zmin_zmax(&viewports[i], lp->rasterizer->clip_halfz,
+ &min_depth, &max_depth);
if (setup->viewports[i].min_depth != min_depth ||
setup->viewports[i].max_depth != max_depth) {