Shadow mapping render pass (#11244)

Co-authored-by: x2048 <codeforsmile@gmail.com>

1 files changed, 23 insertions, 0 deletions

diff --git a/client/shaders/shadow_shaders/pass2_fragment.glsl b/client/shaders/shadow_shaders/pass2_fragment.glsl
new file mode 100644
index 000000000..00b4f9f6c
--- /dev/null
+++ b/client/shaders/shadow_shaders/pass2_fragment.glsl
@@ -0,0 +1,23 @@
+uniform sampler2D ShadowMapClientMap;
+#ifdef COLORED_SHADOWS
+uniform sampler2D ShadowMapClientMapTraslucent;
+#endif
+uniform sampler2D ShadowMapSamplerdynamic;
+
+void main() {
+
+#ifdef COLORED_SHADOWS
+	vec2 first_depth = texture2D(ShadowMapClientMap, gl_TexCoord[0].st).rg;
+	vec2 depth_splitdynamics = vec2(texture2D(ShadowMapSamplerdynamic, gl_TexCoord[2].st).r, 0.0);
+	if (first_depth.r > depth_splitdynamics.r)
+		first_depth = depth_splitdynamics;
+	vec2 depth_color = texture2D(ShadowMapClientMapTraslucent, gl_TexCoord[1].st).rg;
+	gl_FragColor = vec4(first_depth.r, first_depth.g, depth_color.r, depth_color.g);
+#else
+	float first_depth = texture2D(ShadowMapClientMap, gl_TexCoord[0].st).r;
+	float depth_splitdynamics = texture2D(ShadowMapSamplerdynamic, gl_TexCoord[2].st).r;
+	first_depth = min(first_depth, depth_splitdynamics);
+	gl_FragColor = vec4(first_depth, 0.0, 0.0, 1.0);
+#endif
+
+}