initial commit-moved from vulkan_guide

shaders/mesh.vert

@@ -0,0 +1,46 @@
+#version 450
+
+#extension GL_GOOGLE_include_directive : require
+#extension GL_EXT_buffer_reference : require
+
+#include "input_structures.glsl"
+
+layout (location = 0) out vec3 outNormal;
+layout (location = 1) out vec3 outColor;
+layout (location = 2) out vec2 outUV;
+layout (location = 3) out vec3 outWorldPos;
+
+struct Vertex {
+
+    vec3 position;
+    float uv_x;
+    vec3 normal;
+    float uv_y;
+    vec4 color;
+};
+
+layout(buffer_reference, std430) readonly buffer VertexBuffer{
+    Vertex vertices[];
+};
+
+//push constants block
+layout( push_constant ) uniform constants
+{
+    mat4 render_matrix;
+    VertexBuffer vertexBuffer;
+} PushConstants;
+
+void main()
+{
+    Vertex v = PushConstants.vertexBuffer.vertices[gl_VertexIndex];
+
+    vec4 worldPos = PushConstants.render_matrix * vec4(v.position, 1.0f);
+    gl_Position = sceneData.viewproj * worldPos;
+
+    outNormal = (PushConstants.render_matrix * vec4(v.normal, 0.f)).xyz;
+    // Pass pure vertex color; apply baseColorFactor only in fragment
+    outColor = v.color.xyz;
+    outUV.x = v.uv_x;
+    outUV.y = v.uv_y;
+    outWorldPos = worldPos.xyz;
+}