1 files changed, 15 insertions, 0 deletions

diff --git a/shaders/view_texture.frag b/shaders/view_texture.frag
new file mode 100644
index 0000000..12fa367
--- /dev/null
+++ b/shaders/view_texture.frag
@@ -0,0 +1,15 @@
+uniform sampler2D Texture;
+
+in vec2 Texcoord;
+
+layout (location = 0) out vec4 Colour;
+
+void main()
+{
+    // There is a question here whether we want to view the texture through the
+    // sampler or unfiltered. Prefer the latter for now.
+    //vec3 colour = texture(Texture, Texcoord).rgb;
+    ivec2 st = ivec2(Texcoord * vec2(textureSize(Texture, 0)));
+    vec3 colour = texelFetch(Texture, st, 0).rgb;
+    Colour = vec4(pow(colour, vec3(1.0 / 2.2)), 1.0);
+}