X-Git-Url: https://eleni.mutantstargoat.com/git/?p=demo;a=blobdiff_plain;f=shaders%2Fdefault.f.glsl;fp=shaders%2Fdefault.f.glsl;h=fe78fbc7e030bc69baa74c3f3f51032effc5fe54;hp=0000000000000000000000000000000000000000;hb=0f6519c2606f2863d9c7ee8b9754b9f23df281ab;hpb=05d269a194496bcef85da78652b947f5bf1c9bcf

diff --git a/shaders/default.f.glsl b/shaders/default.f.glsl
new file mode 100644
index 0000000..fe78fbc
--- /dev/null
+++ b/shaders/default.f.glsl
@@ -0,0 +1,39 @@
+#version 450
+
+#define SHADING_UNIFORMS 1
+
+layout(binding = 0) uniform sampler2D tex;
+layout(binding = 1) uniform samplerCube dstex;
+
+layout(std140, binding = SHADING_UNIFORMS) uniform fu {
+	vec4 diffuse;
+	vec4 specular;
+	float shininess;
+	float fog_density;
+} s;
+
+const vec3 sky_color = vec3(0.35, 0.5, 0.65);
+// const float fog_density = 0.005;
+
+/* varyings */
+layout(location = 4) in vec3 pos;
+layout(location = 5) in vec2 tex_coord;
+layout(location = 6) in vec3 world_normal;
+
+layout(location = 0) out vec4 color;
+
+void main()
+{
+	vec4 itexel = textureCube(dstex, normalize(world_normal));
+
+	float dist = -pos.z;
+	float fog = clamp(exp(-s.fog_density * dist), 0.0, 1.0);
+
+	vec4 texel = texture2D(tex, tex_coord);
+
+	// vec3 object_color = (diffuse.xyz * cdiff * texel.xyz + specular.xyz * cspec) * itexel.xyz;
+	vec3 object_color = s.diffuse.xyz * texel.xyz * itexel.xyz;
+
+	color.xyz = mix(sky_color, object_color, fog);
+	color.w = 1.0;
+}