initial commit-moved from vulkan_guide

shaders/shadow.vert

@@ -0,0 +1,29 @@
+#version 450
+
+#extension GL_GOOGLE_include_directive : require
+#extension GL_EXT_buffer_reference : require
+
+#include "input_structures.glsl"
+
+struct Vertex {
+    vec3 position; float uv_x;
+    vec3 normal;   float uv_y;
+    vec4 color;
+};
+
+layout(buffer_reference, std430) readonly buffer VertexBuffer{
+    Vertex vertices[];
+};
+
+layout(push_constant) uniform PushConsts {
+    mat4 render_matrix;
+    VertexBuffer vertexBuffer;
+} PC;
+
+void main()
+{
+    Vertex v = PC.vertexBuffer.vertices[gl_VertexIndex];
+    vec4 worldPos = PC.render_matrix * vec4(v.position, 1.0);
+    gl_Position = sceneData.lightViewProj * worldPos;
+}
+