From 8baae4c77ff85e6fb1cacd428162804080998069 Mon Sep 17 00:00:00 2001
From: aap <aap@papnet.eu>
Date: Tue, 19 Jan 2021 11:38:51 +0100
Subject: PSP rendering and shader cleanup

---
 src/extras/shaders/leedsDefault.vert | 51 ++++++++++++++++++++++++++++++++++++
 1 file changed, 51 insertions(+)
 create mode 100644 src/extras/shaders/leedsDefault.vert

(limited to 'src/extras/shaders/leedsDefault.vert')

diff --git a/src/extras/shaders/leedsDefault.vert b/src/extras/shaders/leedsDefault.vert
new file mode 100644
index 00000000..9cb18a66
--- /dev/null
+++ b/src/extras/shaders/leedsDefault.vert
@@ -0,0 +1,51 @@
+#ifdef ENVMAP
+uniform mat4 u_texMatrix;
+#endif
+#ifdef SKIN
+uniform mat4 u_boneMatrices[64];
+#endif
+
+VSIN(ATTRIB_POS)	vec3 in_pos;
+
+VSOUT vec4 v_color;
+VSOUT vec2 v_tex0;
+#ifdef ENVMAP
+VSOUT vec2 v_tex1;
+#endif
+VSOUT float v_fog;
+
+void
+main(void)
+{
+#ifdef SKIN
+	vec3 SkinVertex = vec3(0.0, 0.0, 0.0);
+	vec3 SkinNormal = vec3(0.0, 0.0, 0.0);
+	for(int i = 0; i < 4; i++){
+		SkinVertex += (u_boneMatrices[int(in_indices[i])] * vec4(in_pos, 1.0)).xyz * in_weights[i];
+		SkinNormal += (mat3(u_boneMatrices[int(in_indices[i])]) * in_normal) * in_weights[i];
+	}
+
+	vec4 Vertex = u_world * vec4(SkinVertex, 1.0);
+	gl_Position = u_proj * u_view * Vertex;
+	vec3 Normal = mat3(u_world) * SkinNormal;
+#else
+	vec4 Vertex = u_world * vec4(in_pos, 1.0);
+	gl_Position = u_proj * u_view * Vertex;
+	vec3 Normal = mat3(u_world) * in_normal;
+#endif
+
+	v_tex0 = in_tex0;
+#ifdef ENVMAP
+	v_tex1 = (u_texMatrix * vec4(Normal, 1.0)).xy;
+#endif
+
+	v_color = in_color;
+	v_color.rgb += u_ambLight.rgb*surfAmbient;
+	v_color.rgb += DoDynamicLight(Vertex.xyz, Normal)*surfDiffuse;
+	// PS2 clamps before material color
+	// PSP clamps after...maybe another constant for this?
+	v_color = clamp(v_color, 0.0, 1.0);
+	v_color *= u_matColor;
+
+	v_fog = DoFog(gl_Position.w);
+}
-- 
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