Pipeline Changes

graphics/CMakeLists.txt

@@ -4,6 +4,34 @@ file(GLOB_RECURSE GRAPHICS_SOURCES CONFIGURE_DEPENDS
     ${CMAKE_CURRENT_SOURCE_DIR}/src/*.cpp
 )
 
+set(SHADER_SRC_DIR ${CMAKE_CURRENT_SOURCE_DIR}/shaders)
+set(SHADER_OUT_DIR ${CMAKE_BINARY_DIR}/shaders)
+
+file(GLOB_RECURSE SHADERS
+    ${SHADER_SRC_DIR}/*.vert
+    ${SHADER_SRC_DIR}/*.frag
+)
+
+find_program(GLSLC glslc REQUIRED)
+set(SPIRV_SHADERS)
+
+foreach(SHADER ${SHADERS})
+    get_filename_component(FILE_NAME ${SHADER} NAME)
+    set(SPIRV_FILE ${SHADER_OUT_DIR}/${FILE_NAME}.spv)
+
+    add_custom_command(
+        OUTPUT ${SPIRV_FILE}
+        COMMAND ${CMAKE_COMMAND} -E make_directory ${SHADER_OUT_DIR}
+        COMMAND ${GLSLC} ${SHADER} -o ${SPIRV_FILE}
+        DEPENDS ${SHADER}
+        COMMENT "Compiling ${FILE_NAME} with glslc"
+        VERBATIM
+    )
+
+    list(APPEND SPIRV_SHADERS ${SPIRV_FILE})
+endforeach()
+
+add_custom_target(Shaders ALL DEPENDS ${SPIRV_SHADERS})
 add_library(deerith_graphics ${GRAPHICS_SOURCES})
 
 target_include_directories(deerith_graphics
@@ -18,6 +46,8 @@ find_package(glfw3 REQUIRED)
 find_package(glm REQUIRED)
 find_package(fmt REQUIRED)
 
+add_dependencies(deerith_graphics Shaders)
+
 target_link_libraries(deerith_graphics
     PUBLIC
         deerith::core

graphics/shaders/shader.frag

@@ -0,0 +1,9 @@
+#version 450
+
+layout(location = 0) in vec3 fragColor;
+
+layout(location = 0) out vec4 outColor;
+
+void main() {
+    outColor = vec4(fragColor, 1.0);
+}

graphics/shaders/shader.vert

@@ -0,0 +1,20 @@
+#version 450
+
+layout(location = 0) out vec3 fragColor;
+
+vec2 positions[3] = vec2[](
+    vec2(0.0, -0.5),
+    vec2(0.5, 0.5),
+    vec2(-0.5, 0.5)
+);
+
+vec3 colors[3] = vec3[](
+    vec3(1.0, 0.0, 0.0),
+    vec3(0.0, 1.0, 0.0),
+    vec3(0.0, 0.0, 1.0)
+);
+
+void main() {
+    gl_Position = vec4(positions[gl_VertexIndex], 0.0, 1.0);
+    fragColor = colors[gl_VertexIndex];
+}

graphics/src/detail/vertex_layout.h

@@ -0,0 +1,21 @@
+#pragma once
+#include <deerith/core/types.h>
+#include <glm/glm.hpp>
+#include <vulkan/vulkan.h>
+
+namespace derith {
+	namespace graphics {
+		struct StaticMeshVertex {
+			glm::vec3 position;
+			glm::vec3 normal;
+		};
+
+		enum class VertexLayout : uint8_t {
+			StaticMesh = 0
+		};
+
+		extern VkPipelineVertexInputStateCreateInfo static_mesh_vertex_input_state;
+
+		void create_vulkan_vertex_inputs();
+	} // namespace graphics
+} // namespace derith

graphics/src/vulkan_graphics_pipeline.cpp

@@ -1,4 +1,5 @@
 #include "detail/graphics.h"
+#include "detail/vertex_layout.h"
 
 #include <fstream>
 

graphics/src/vulkan_vertex_layouts.cpp

@@ -0,0 +1,44 @@
+#include "detail/vertex_layout.h"
+
+#include <array>
+
+namespace derith {
+	namespace graphics {
+		void create_vulkan_static_mesh_vertex_input_state();
+
+		VkPipelineVertexInputStateCreateInfo static_mesh_vertex_input_state;
+		VkVertexInputBindingDescription static_mesh_binding_description;
+		std::array<VkVertexInputAttributeDescription, 2> static_mesh_attribute_descriptors;
+
+	} // namespace graphics
+
+	void graphics::create_vulkan_vertex_inputs() {
+		create_vulkan_static_mesh_vertex_input_state();
+	}
+
+	void graphics::create_vulkan_static_mesh_vertex_input_state() {
+		VkVertexInputBindingDescription bindingDescription{};
+		bindingDescription.binding = 0;
+		bindingDescription.stride = sizeof(StaticMeshVertex);
+		bindingDescription.inputRate = VK_VERTEX_INPUT_RATE_VERTEX;
+
+		static_mesh_attribute_descriptors[0] = {};
+		static_mesh_attribute_descriptors[0].binding = 0;
+		static_mesh_attribute_descriptors[0].location = 0;
+		static_mesh_attribute_descriptors[0].format = VK_FORMAT_R32G32B32_SFLOAT;
+		static_mesh_attribute_descriptors[0].offset = offsetof(StaticMeshVertex, position);
+
+		static_mesh_attribute_descriptors[1] = {};
+		static_mesh_attribute_descriptors[1].binding = 0;
+		static_mesh_attribute_descriptors[1].location = 1;
+		static_mesh_attribute_descriptors[1].format = VK_FORMAT_R32G32B32_SFLOAT;
+		static_mesh_attribute_descriptors[1].offset = offsetof(StaticMeshVertex, normal);
+
+		static_mesh_vertex_input_state = {};
+		static_mesh_vertex_input_state.sType = VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO;
+		static_mesh_vertex_input_state.vertexBindingDescriptionCount = 1;
+		static_mesh_vertex_input_state.pVertexBindingDescriptions = &static_mesh_binding_description;
+		static_mesh_vertex_input_state.vertexAttributeDescriptionCount = static_cast<uint32_t>(static_mesh_attribute_descriptors.size());
+		static_mesh_vertex_input_state.pVertexAttributeDescriptions = static_mesh_attribute_descriptors.data();
+	}
+} // namespace derith