add nice builtin shaders

1 files changed, 43 insertions, 0 deletions

diff --git a/honey/asset/shader.lua b/honey/asset/shader.lua
index a23c17b..d1fecc4 100644
--- a/honey/asset/shader.lua
+++ b/honey/asset/shader.lua
@@ -140,4 +140,47 @@ clearCache = function()
 end
 
 
+--===== builtin shaders =====--
+
+builtin["builtin.basic3d.vert"] = [[
+	#version 410 core
+	layout (location = 0) in vec3 in_position;
+	layout (location = 1) in vec3 in_normal;
+	layout (location = 2) in vec2 in_texture;
+
+	uniform mat4 model;
+	uniform mat4 view;
+	uniform mat4 projection;
+
+	out vec3 position;
+	out vec3 normal;
+	out vec2 tex;
+
+	void main()
+	{
+		gl_Position = projection * view * model * vec4(in_position, 1.0);
+
+		position = in_position;
+		normal = in_normal;
+		tex = in_texture;
+	}
+]]
+
+builtin["builtin.flat.frag"] = [[
+	#version 410 core
+
+	out vec4 frag_color;
+
+	in vec3 position;
+	in vec3 normal;
+	in vec2 tex;
+
+	uniform sampler2D surface;
+
+	void main()
+	{
+		frag_color = texture(surface, tex);
+	}
+]]
+
 return module