PSP rendering and shader cleanup

src/extras/shaders/obj/neoGloss_frag.inc

@@ -0,0 +1,28 @@
+const char *neoGloss_frag_src =
+"uniform sampler2D tex0;\n"
+
+"uniform vec4 u_reflProps;\n"
+
+"#define glossMult (u_reflProps.x)\n"
+
+"FSIN vec3 v_normal;\n"
+"FSIN vec3 v_light;\n"
+"FSIN vec2 v_tex0;\n"
+"FSIN float v_fog;\n"
+
+"void\n"
+"main(void)\n"
+"{\n"
+"	vec4 color = texture(tex0, vec2(v_tex0.x, 1.0-v_tex0.y));\n"
+"	vec3 n = 2.0*v_normal-1.0;            // unpack\n"
+"	vec3 v = 2.0*v_light-1.0;             //\n"
+
+"	float s = dot(n, v);\n"
+"	color = s*s*s*s*s*s*s*s*color*v_fog*glossMult;\n"
+
+"	DoAlphaTest(color.a);\n"
+
+"	FRAGCOLOR(color);\n"
+"}\n"
+
+;