stk-code_catmod/data/shaders/instanced_grass.vert
2014-10-08 01:01:28 +02:00

50 lines
1.3 KiB
GLSL

uniform vec3 windDir;
#if __VERSION__ >= 330
layout(location = 0) in vec3 Position;
layout(location = 1) in vec3 Normal;
layout(location = 2) in vec4 Color;
layout(location = 3) in vec2 Texcoord;
layout(location = 7) in vec3 Origin;
layout(location = 8) in vec3 Orientation;
layout(location = 9) in vec3 Scale;
#ifdef GL_ARB_bindless_texture
layout(location = 10) in sampler2D Handle;
layout(location = 11) in sampler2D SecondHandle;
#endif
#else
in vec3 Position;
in vec3 Normal;
in vec4 Color;
in vec2 Texcoord;
in vec3 Origin;
in vec3 Orientation;
in vec3 Scale;
#endif
out vec3 nor;
out vec2 uv;
#ifdef GL_ARB_bindless_texture
flat out sampler2D handle;
flat out sampler2D secondhandle;
#endif
mat4 getWorldMatrix(vec3 translation, vec3 rotation, vec3 scale);
mat4 getInverseWorldMatrix(vec3 translation, vec3 rotation, vec3 scale);
void main()
{
mat4 ModelMatrix = getWorldMatrix(Origin + windDir * Color.r, Orientation, Scale);
mat4 TransposeInverseModelView = transpose(getInverseWorldMatrix(Origin + windDir * Color.r, Orientation, Scale) * InverseViewMatrix);
gl_Position = ProjectionViewMatrix * ModelMatrix * vec4(Position, 1.);
nor = (TransposeInverseModelView * vec4(Normal, 0.)).xyz;
uv = Texcoord;
#ifdef GL_ARB_bindless_texture
handle = Handle;
secondhandle = SecondHandle;
#endif
}