Testing Oryol shader template syntax

oryol_shaders.glsl

only exactly one @ tag per line

@block MyTransform
@uniform mat4 mvp ModelViewProj
vec4 transform(vec4 pos) {
  return mvp * pos;
}
@end

@vs MyVertexShader
@use MyTransform [...] // @use has 'varargs'
@in vec4 position
@in vec4normal
@in vec2 texcoord0
@out vec2 uv
void main() {
  $position = transform(position);
  uv = texcoord0;
}
@end

@fs MyFragmentShader
@uniform sampler2D tex ColorTexture
@in vec2 uv
void main() {
  $color = $texture2D(tex, uv);
}
@end

@bundle MyBundle
@program MyVertexShader MyFragmentShader
@end

@stateblock MyStateBlock
@state CullFaceEnabled true
@state ColorMask true true true false
@state ClearColor 1.0f 1.0f 1.0f 0.0f
@end