X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Fbackends%2Fvulkan%2Fpipelinestate_backend.cpp;h=f06e2d324a82e9302135b46c49d7401b9c008f4a;hp=ab5d3dd4cd8ca10a20342eb1b063a0c29c92b8bf;hb=9eb9f592d37e9a1e05c2ff70887a1c5f26b98864;hpb=29fe33d3dde1df0e11c741b0c02af2f33b685571

diff --git a/source/backends/vulkan/pipelinestate_backend.cpp b/source/backends/vulkan/pipelinestate_backend.cpp
index ab5d3dd4..f06e2d32 100644
--- a/source/backends/vulkan/pipelinestate_backend.cpp
+++ b/source/backends/vulkan/pipelinestate_backend.cpp
@@ -49,7 +49,8 @@ void VulkanPipelineState::update() const
 	}
 
 	constexpr unsigned graphics_mask = PipelineState::FRAMEBUFFER|PipelineState::VERTEX_SETUP|PipelineState::FACE_CULL|
-		PipelineState::DEPTH_TEST|PipelineState::STENCIL_TEST|PipelineState::BLEND|PipelineState::PRIMITIVE_TYPE;
+		PipelineState::DEPTH_TEST|PipelineState::STENCIL_TEST|PipelineState::BLEND|PipelineState::PRIMITIVE_TYPE|
+		PipelineState::PATCH_SIZE;
 	unsigned pipeline_mask = PipelineState::SHPROG;
 	if(!self.shprog->is_compute())
 		pipeline_mask |= graphics_mask;
@@ -177,9 +178,13 @@ void VulkanPipelineState::fill_graphics_creation_info(vector<char> &buffer) cons
 			++n_color_attachments;
 	}
 
-	StructureBuilder sb(buffer, 10);
+	bool has_tessellation = (self.shprog && self.shprog->has_tessellation());
+
+	StructureBuilder sb(buffer, 12);
 	VkGraphicsPipelineCreateInfo *const &pipeline_info = sb.add<VkGraphicsPipelineCreateInfo>();
 	VkPipelineInputAssemblyStateCreateInfo *const &input_assembly_info = sb.add<VkPipelineInputAssemblyStateCreateInfo>();
+	VkPipelineTessellationStateCreateInfo *const &tessellation_info = sb.add<VkPipelineTessellationStateCreateInfo>(has_tessellation);
+	VkPipelineTessellationDomainOriginStateCreateInfo *const &tess_origin_info = sb.add<VkPipelineTessellationDomainOriginStateCreateInfo>(has_tessellation);
 	VkPipelineViewportStateCreateInfo *const &viewport_info = sb.add<VkPipelineViewportStateCreateInfo>();
 	VkPipelineRasterizationStateCreateInfo *const &raster_info = sb.add<VkPipelineRasterizationStateCreateInfo>();
 	VkPipelineMultisampleStateCreateInfo *const &multisample_info = sb.add<VkPipelineMultisampleStateCreateInfo>();
@@ -191,7 +196,17 @@ void VulkanPipelineState::fill_graphics_creation_info(vector<char> &buffer) cons
 
 	input_assembly_info->sType = VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO;
 	input_assembly_info->topology = static_cast<VkPrimitiveTopology>(get_vulkan_primitive_type(self.primitive_type));
-	input_assembly_info->primitiveRestartEnable = true;
+	input_assembly_info->primitiveRestartEnable = !has_tessellation;
+
+	if(has_tessellation)
+	{
+		tessellation_info->sType = VK_STRUCTURE_TYPE_PIPELINE_TESSELLATION_STATE_CREATE_INFO;
+		tessellation_info->pNext = tess_origin_info;
+		tessellation_info->patchControlPoints = self.patch_size;
+
+		tess_origin_info->sType = VK_STRUCTURE_TYPE_PIPELINE_TESSELLATION_DOMAIN_ORIGIN_STATE_CREATE_INFO;
+		tess_origin_info->domainOrigin = VK_TESSELLATION_DOMAIN_ORIGIN_LOWER_LEFT;
+	}
 
 	viewport_info->sType = VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO;
 	viewport_info->viewportCount = 1;
@@ -264,7 +279,7 @@ void VulkanPipelineState::fill_graphics_creation_info(vector<char> &buffer) cons
 	pipeline_info->sType = VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO;
 
 	pipeline_info->pInputAssemblyState = input_assembly_info;
-	pipeline_info->pTessellationState = 0;
+	pipeline_info->pTessellationState = (has_tessellation ? tessellation_info : 0);
 	pipeline_info->pViewportState = viewport_info;
 	pipeline_info->pRasterizationState = raster_info;
 	pipeline_info->pMultisampleState = multisample_info;