Initial commit

client/common/shaders/bgfx_source/shadow.sc

@@ -0,0 +1,33 @@
+$input a_position, a_color1
+$output v_texcoord0
+
+#include "common.sh"
+
+void ShadowVS()
+{
+    // Transform position to world space
+#ifdef PIN_SKINNED
+    int boneIndex = int(a_color1.r);
+
+    vec4 worldRow0 = u_worldMatrixArray[boneIndex * 3 + 0];
+    vec4 worldRow1 = u_worldMatrixArray[boneIndex * 3 + 1];
+    vec4 worldRow2 = u_worldMatrixArray[boneIndex * 3 + 2];
+        
+    vec3 posWorld = vec3(dot(worldRow0, vec4(a_position, 1.0)), 
+                         dot(worldRow1, vec4(a_position, 1.0)), 
+                         dot(worldRow2, vec4(a_position, 1.0)));
+#else
+    vec3 posWorld = a_position;
+#endif
+
+    gl_Position = mul(u_viewProjection, vec4(posWorld, 1.0));
+
+    v_texcoord0 = shadowPrepareSample(posWorld);
+}
+
+void ShadowPS()
+{
+    float depth = shadowDepth(v_texcoord0);
+
+    gl_FragColor = vec4(depth, 1.0, 0.0, 0.0);
+}