1 files changed, 30 insertions, 0 deletions
diff --git a/src/extras/shaders/colourfilterIII_fs_gl3.inc b/src/extras/shaders/colourfilterIII_fs_gl3.inc
new file mode 100644
index 00000000..f57b9cdd
--- /dev/null
+++ b/src/extras/shaders/colourfilterIII_fs_gl3.inc
@@ -0,0 +1,30 @@
+const char *colourfilterIII_frag_src =
+"uniform sampler2D tex0;\n"
+"uniform vec4 u_blurcolor;\n"
+
+"in vec4 v_color;\n"
+"in vec2 v_tex0;\n"
+"in float v_fog;\n"
+
+"out vec4 color;\n"
+
+"void\n"
+"main(void)\n"
+"{\n"
+"	float a = u_blurcolor.a;\n"
+
+"	vec4 doublec = clamp(u_blurcolor*2, 0.0, 1.0);\n"
+"	vec4 dst = texture(tex0, vec2(v_tex0.x, 1.0-v_tex0.y));\n"
+"	vec4 prev = dst;\n"
+"	for(int i = 0; i < 5; i++){\n"
+"//		vec4 doublec = clamp(u_blurcolor*2, 0.0, 1.0);\n"
+"		vec4 tmp = dst*(1.0-a) + prev*doublec*a;\n"
+"		tmp += prev*u_blurcolor;\n"
+"		tmp += prev*u_blurcolor;\n"
+"		prev = clamp(tmp, 0.0, 1.0);\n"
+"	}\n"
+"	color.rgb = prev.rgb;\n"
+"	color.a = 1.0f;\n"
+"}\n"
+
+;