09_shader_modules.diff

diff --git a/../steps/08_graphics_pipeline/main.go b/../steps/09_shader_modules/main.go
index ae130ab..11fdb21 100644
--- a/../steps/08_graphics_pipeline/main.go
+++ b/../steps/09_shader_modules/main.go
@@ -1,6 +1,7 @@
 package main
 
 import (
+	"embed"
 	"github.com/pkg/errors"
 	"github.com/veandco/go-sdl2/sdl"
 	"github.com/vkngwrapper/core/v2"
@@ -15,6 +16,9 @@ import (
 	"log"
 )
 
+//go:embed shaders
+var shaders embed.FS
+
 var validationLayers = []string{"VK_LAYER_KHRONOS_validation"}
 var deviceExtensions = []string{khr_swapchain.ExtensionName}
 
@@ -426,7 +430,61 @@ func (app *HelloTriangleApplication) createSwapchain() error {
 	return nil
 }
 
+func bytesToBytecode(b []byte) []uint32 {
+	byteCode := make([]uint32, len(b)/4)
+	for i := 0; i < len(byteCode); i++ {
+		byteIndex := i * 4
+		byteCode[i] = 0
+		byteCode[i] |= uint32(b[byteIndex])
+		byteCode[i] |= uint32(b[byteIndex+1]) << 8
+		byteCode[i] |= uint32(b[byteIndex+2]) << 16
+		byteCode[i] |= uint32(b[byteIndex+3]) << 24
+	}
+
+	return byteCode
+}
+
 func (app *HelloTriangleApplication) createGraphicsPipeline() error {
+	// Load vertex shader
+	vertShaderBytes, err := shaders.ReadFile("shaders/vert.spv")
+	if err != nil {
+		return err
+	}
+
+	vertShader, _, err := app.device.CreateShaderModule(nil, core1_0.ShaderModuleCreateInfo{
+		Code: bytesToBytecode(vertShaderBytes),
+	})
+	if err != nil {
+		return err
+	}
+	defer vertShader.Destroy(nil)
+
+	// Load fragment shader
+	fragShaderBytes, err := shaders.ReadFile("shaders/frag.spv")
+	if err != nil {
+		return err
+	}
+
+	fragShader, _, err := app.device.CreateShaderModule(nil, core1_0.ShaderModuleCreateInfo{
+		Code: bytesToBytecode(fragShaderBytes),
+	})
+	if err != nil {
+		return err
+	}
+	defer fragShader.Destroy(nil)
+
+	_ = &core1_0.PipelineShaderStageCreateInfo{
+		Stage:  core1_0.StageVertex,
+		Module: vertShader,
+		Name:   "main",
+	}
+
+	_ = &core1_0.PipelineShaderStageCreateInfo{
+		Stage:  core1_0.StageFragment,
+		Module: fragShader,
+		Name:   "main",
+	}
+
 	return nil
 }