X-Git-Url: http://git.lukelau.me/?p=opengl.git;a=blobdiff_plain;f=equirectangularvert.glsl;fp=equirectangularvert.glsl;h=dd216612d697746db0f1a5dde671f5e328286012;hp=0000000000000000000000000000000000000000;hb=a03f2bc751bbd7f91cbc2f52d2f0f6e753d6f776;hpb=210d1b08cec40845d849e89baea8a9cc96917f60

diff --git a/equirectangularvert.glsl b/equirectangularvert.glsl
new file mode 100644
index 0000000..dd21661
--- /dev/null
+++ b/equirectangularvert.glsl
@@ -0,0 +1,15 @@
+#version 330
+
+in vec3 pos;
+out vec3 localPos;
+
+uniform mat4 projection;
+uniform mat4 view;
+
+void main() {
+	localPos = pos;
+	// flip image
+	localPos.y = -localPos.y;
+	vec4 fragPos = projection * view * vec4(pos, 1);
+	gl_Position = fragPos.xyww;
+}