shaders: wip

1 files changed, 12 insertions, 4 deletions

diff --git a/shaders/shader.frag b/shaders/shader.frag
index 9e05d677..faea53fb 100644
--- a/shaders/shader.frag
+++ b/shaders/shader.frag
@@ -1,14 +1,22 @@
 precision highp float;
 
-uniform sampler2D sampler;
-layout (location = 2) uniform vec4 tint = vec4(1, 1, 1, 1);
+layout (location = 0) uniform vec2 scale;
+layout (location = 1) uniform vec3 offset;
+layout (location = 2) uniform vec4 tint;
+layout (location = 3) uniform bool enable_lightmap;
+layout (location = 4) uniform sampler2D sampler;
+layout (location = 5) uniform sampler2D lightmap_sampler;
 
-noperspective in vec2 frag_texcoords;
+layout (location = 0) noperspective in vec2 frag_texcoords;
+layout (location = 1) noperspective in vec2 frag_light_coord;
 out vec4 color;
 //layout (depth_greater) out float gl_FragDepth;
 
 void main() {
-    color = texture(sampler, frag_texcoords) * tint;
+    vec4 light = tint;
+    if (enable_lightmap)
+        light *= vec4(texture(lightmap_sampler, frag_light_coord).rgb, 1);
+    color = texture(sampler, frag_texcoords) * light;
     if (color.a == 0)
         discard;
 }