X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;ds=sidebyside;f=source%2Fbackends%2Fvulkan%2Fpipelinestate_backend.cpp;h=9c695b3d1a5d281abda8ccc0d8a2df4b1e60b775;hb=4595453156db0c47926946b0ea1732b1e37e70ce;hp=1578f9976d61452b200fd0066bb02f16ca4074e5;hpb=1cbc8df4a72799feada39767e80973f4c93ae523;p=libs%2Fgl.git

diff --git a/source/backends/vulkan/pipelinestate_backend.cpp b/source/backends/vulkan/pipelinestate_backend.cpp
index 1578f997..9c695b3d 100644
--- a/source/backends/vulkan/pipelinestate_backend.cpp
+++ b/source/backends/vulkan/pipelinestate_backend.cpp
@@ -118,6 +118,8 @@ uint64_t VulkanPipelineState::compute_hash() const
 		}
 
 		result = hash_round<64>(result, format.get_samples());
+		if(format.get_samples()>1)
+			result = hash_round<64>(result, self.blend.alpha_to_coverage);
 
 		if(self.depth_test.enabled)
 		{
@@ -216,7 +218,7 @@ void VulkanPipelineState::fill_graphics_creation_info(vector<char> &buffer) cons
 	multisample_info->sampleShadingEnable = VK_FALSE;
 	multisample_info->minSampleShading = 1.0f;
 	multisample_info->pSampleMask = 0;
-	multisample_info->alphaToCoverageEnable = VK_FALSE;
+	multisample_info->alphaToCoverageEnable = (format.get_samples()>1 && self.blend.alpha_to_coverage ? VK_TRUE : VK_FALSE);
 	multisample_info->alphaToOneEnable = VK_FALSE;
 
 	depth_stencil_info->sType = VK_STRUCTURE_TYPE_PIPELINE_DEPTH_STENCIL_STATE_CREATE_INFO;