premult: .dstAlphaBlendFactor = ONE_MINUS_SRC_ALPHA (instead of ONE)

diff --git a/src/vkvg_device_internal.c b/src/vkvg_device_internal.c
index 478321d1ce6da5ce55b5224fae1c69fcbc4f1870..86e528b83e57d28c013f22ee62ad04be817449ee 100644 (file)
--- a/src/vkvg_device_internal.c
+++ b/src/vkvg_device_internal.c
@@ -215,7 +215,7 @@ void _device_setupPipelines(VkvgDevice dev)
          .dstColorBlendFactor = VK_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA,
          .colorBlendOp = VK_BLEND_OP_ADD,
          .srcAlphaBlendFactor = VK_BLEND_FACTOR_ONE,
-         .dstAlphaBlendFactor = VK_BLEND_FACTOR_ONE,
+         .dstAlphaBlendFactor = VK_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA,
          .alphaBlendOp = VK_BLEND_OP_ADD,
 #else
          .srcColorBlendFactor = VK_BLEND_FACTOR_SRC_ALPHA,