X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?p=ld37_one_room;a=blobdiff_plain;f=sdr%2Fuber.v.glsl;fp=sdr%2Fuber.v.glsl;h=a6c82d05606a1d0d483154a27332dc1719ea0ac4;hp=0000000000000000000000000000000000000000;hb=f8ad31b8b1856784aefdd3457b6b8f5cb5576892;hpb=cc8a355e7b709f3eb1132cd6b63cf4e482d58332

diff --git a/sdr/uber.v.glsl b/sdr/uber.v.glsl
new file mode 100644
index 0000000..a6c82d0
--- /dev/null
+++ b/sdr/uber.v.glsl
@@ -0,0 +1,33 @@
+varying vec3 vpos, vdir, normal;
+#ifdef USE_SHADOWMAP
+varying vec4 shadow_tc;
+#endif
+#ifdef USE_CUBEMAP
+varying vec3 wdir;
+uniform mat4 envmap_matrix;
+#endif
+
+void main()
+{
+	gl_Position = ftransform();
+
+	vpos = (gl_ModelViewMatrix * gl_Vertex).xyz;
+	normal = gl_NormalMatrix * gl_Normal;
+	vdir = -vpos;
+#ifdef USE_CUBEMAP
+	wdir = (envmap_matrix * vec4(vdir, 1.0)).xyz;	// bring back to world space
+#endif
+#ifdef USE_TEXMAP
+	gl_TexCoord[0] = gl_TextureMatrix[0] * gl_MultiTexCoord0;
+#endif
+
+#ifdef USE_SHADOWMAP
+	mat4 offmat = mat4(0.5, 0.0, 0.0, 0.0,
+			0.0, 0.5, 0.0, 0.0,
+			0.0, 0.0, 0.5, 0.0,
+			0.5, 0.5, 0.5, 1.0);
+	mat4 tex_matrix = offmat * gl_TextureMatrix[1];
+
+	shadow_tc = tex_matrix * vec4(vpos, 1.0);
+#endif
+}