vulkan: implement setWireframe

src/modules/graphics/vulkan/Graphics.cpp

@@ -249,6 +249,7 @@ namespace love {
 				updatedBatchedDrawBuffers();
 
 				Shader::current = Shader::standardShaders[graphics::Shader::StandardShader::STANDARD_DEFAULT];
+				currentPolygonMode = VK_POLYGON_MODE_FILL;
 
 				return true;
 			}
@@ -350,6 +351,21 @@ namespace love {
 				states.back().color = c;
 			}
 
+			void Graphics::setWireframe(bool enable) {
+				std::cout << "setWireframe ";
+
+				flushBatchedDraws();
+
+				if (enable) {
+					currentPolygonMode = VK_POLYGON_MODE_LINE;
+				}
+				else {
+					currentPolygonMode = VK_POLYGON_MODE_FILL;
+				}
+
+				states.back().wireframe = enable;
+			}
+
 			PixelFormat Graphics::getSizedFormat(PixelFormat format, bool rendertarget, bool readable) const { 
 				std::cout << "getSizedFormat ";
 				
@@ -1194,6 +1210,7 @@ namespace love {
 				GraphicsPipelineConfiguration configuration;
 				configuration.shader = (Shader*)Shader::current;
 				configuration.primitiveType = primitiveType;
+				configuration.polygonMode = currentPolygonMode;
 				std::vector<VkBuffer> bufferVector;
 
 				std::vector<VkDeviceSize> offsets;
@@ -1265,8 +1282,8 @@ namespace love {
 				rasterizer.sType = VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO;
 				rasterizer.depthClampEnable = VK_FALSE;
 				rasterizer.rasterizerDiscardEnable = VK_FALSE;
-				rasterizer.polygonMode = VK_POLYGON_MODE_FILL;
-				rasterizer.lineWidth = 2.0f;
+				rasterizer.polygonMode = configuration.polygonMode;
+				rasterizer.lineWidth = 1.0f;
 				rasterizer.cullMode = VK_CULL_MODE_FRONT_BIT;
 				rasterizer.frontFace = VK_FRONT_FACE_CLOCKWISE;
 				rasterizer.depthBiasEnable = VK_FALSE;
@@ -1449,6 +1466,9 @@ namespace love {
 			}
 
 			bool operator==(const GraphicsPipelineConfiguration& first, const GraphicsPipelineConfiguration& other) {
+				if (first.polygonMode != other.polygonMode) {
+					return false;
+				}
 				if (first.primitiveType != other.primitiveType) {
 					return false;
 				}

src/modules/graphics/vulkan/Graphics.h

@@ -24,6 +24,7 @@ namespace love {
 				std::vector<VkVertexInputAttributeDescription> vertexInputAttributeDescriptions;
 				Shader* shader = nullptr;
 				PrimitiveType primitiveType = PRIMITIVE_MAX_ENUM;
+				VkPolygonMode polygonMode = VK_POLYGON_MODE_FILL;
 
 				friend static bool operator==(const GraphicsPipelineConfiguration& first, const GraphicsPipelineConfiguration& other);
 			};
@@ -102,7 +103,7 @@ namespace love {
 				void setColorMask(ColorChannelMask mask) override { std::cout << "setColorMask "; }
 				void setBlendState(const BlendState& blend) override { std::cout << "setBlendState "; }
 				void setPointSize(float size) override { std::cout << "setPointSize "; }
-				void setWireframe(bool enable) override { std::cout << "setWireframe "; }
+				void setWireframe(bool enable) override;
 				PixelFormat getSizedFormat(PixelFormat format, bool rendertarget, bool readable) const override;
 				bool isPixelFormatSupported(PixelFormat format, uint32 usage, bool sRGB = false) override;
 				Renderer getRenderer() const override;
@@ -214,6 +215,7 @@ namespace love {
 				graphics::Texture* currentTexture = nullptr;
 				std::vector<std::pair<graphics::Shader::BuiltinUniformData, graphics::StreamBuffer*>> uniformBufferMap;
 				std::vector<std::pair<DecriptorSetConfiguration, std::vector<VkDescriptorSet>>> descriptorSetsMap;
+				VkPolygonMode currentPolygonMode = VK_POLYGON_MODE_FILL;
 			};
 		}
 	}