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authorSamuel Pitoiset <[email protected]>2018-04-17 22:07:26 +0200
committerSamuel Pitoiset <[email protected]>2018-04-17 22:12:14 +0200
commit893e19efb74edd6133a607e09338bf5d449632f1 (patch)
treee41d8dca48a8f519e54ea0aecac2a11d6dbbeaf6 /src
parent608d70bc02a968ee2b21a5db0f54247d877c8196 (diff)
radv: fix scissor computation when using half-pixel viewport offset
'scale[i]' can be non-integer. Original patch by Philip Rebohle. Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=106074 Fixes: 0f3de89a56a ("radv: Use the guard band.") Signed-off-by: Samuel Pitoiset <[email protected]> Reviewed-by: Bas Niuwenhuizen <[email protected]>
Diffstat (limited to 'src')
-rw-r--r--src/amd/vulkan/si_cmd_buffer.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/src/amd/vulkan/si_cmd_buffer.c b/src/amd/vulkan/si_cmd_buffer.c
index aed291be35d..15edaa4b2b5 100644
--- a/src/amd/vulkan/si_cmd_buffer.c
+++ b/src/amd/vulkan/si_cmd_buffer.c
@@ -663,10 +663,10 @@ static VkRect2D si_scissor_from_viewport(const VkViewport *viewport)
get_viewport_xform(viewport, scale, translate);
- rect.offset.x = translate[0] - abs(scale[0]);
- rect.offset.y = translate[1] - abs(scale[1]);
- rect.extent.width = ceilf(translate[0] + abs(scale[0])) - rect.offset.x;
- rect.extent.height = ceilf(translate[1] + abs(scale[1])) - rect.offset.y;
+ rect.offset.x = translate[0] - fabs(scale[0]);
+ rect.offset.y = translate[1] - fabs(scale[1]);
+ rect.extent.width = ceilf(translate[0] + fabs(scale[0])) - rect.offset.x;
+ rect.extent.height = ceilf(translate[1] + fabs(scale[1])) - rect.offset.y;
return rect;
}