opengl 3.3 renderer shaders

shaders/mat_clouds.frag

@@ -0,0 +1,61 @@
+in vec3 f_normal;
+in vec2 f_coord;
+in vec4 f_pos;
+
+in vec4 f_clip_pos;
+in vec4 f_clip_future_pos;
+
+#include <common>
+
+#param (diffuse, 1, 0, 1, diffuse)
+
+#texture (diffuse, 0, sRGB_A)
+uniform sampler2D diffuse;
+
+layout(location = 0) out vec4 out_color;
+#if MOTIONBLUR_ENABLED
+layout(location = 1) out vec4 out_motion;
+#endif
+
+#include <apply_fog.glsl>
+#include <tonemapping.glsl>
+
+vec3 apply_lights_clouds(vec3 fragcolor, vec3 fragnormal, vec3 texturecolor)
+{
+	if(lights_count == 0U) 
+		return fragcolor * texturecolor;
+
+	vec3 light_dir = normalize(-lights[0].dir);
+	vec3 view_dir = normalize(vec3(0.0) - f_pos.xyz);
+	vec3 halfway_dir = normalize(light_dir + view_dir);
+	float diffuse_v = max(dot(fragnormal, light_dir), 0.0);
+	float diffuseamount = (diffuse_v * param[1].x) * lights[0].intensity;
+	fragcolor += lights[0].color * diffuseamount;
+	fragcolor *= texturecolor;
+
+	return fragcolor;
+}
+
+void main()
+{
+	vec4 tex_color = texture(diffuse, f_coord);
+	tex_color.a = clamp(tex_color.a * 1.25, 0.0, 1.0);
+	if(tex_color.a < 0.01)
+		discard;
+
+	vec3 fragcolor = param[0].rgb;
+	vec3 fragnormal = normalize(f_normal);
+	
+	fragcolor = apply_lights_clouds(fragcolor, fragnormal, tex_color.rgb);
+	vec4 color = vec4(apply_fog(fragcolor), tex_color.a);
+
+#if POSTFX_ENABLED
+    out_color = color;
+#else
+    out_color = tonemap(color);
+#endif
+
+#if MOTIONBLUR_ENABLED
+	out_motion = vec4(0.0f);
+#endif
+}