procedural-3d-engine/data/shaders/texturearray/instancing.vert
2016-02-16 15:07:25 +01:00

29 lines
582 B
GLSL

#version 450
#extension GL_ARB_separate_shader_objects : enable
#extension GL_ARB_shading_language_420pack : enable
layout (location = 0) in vec4 inPos;
layout (location = 1) in vec2 inUV;
struct Instance
{
mat4 model;
vec4 arrayIndex;
};
layout (binding = 0) uniform UBO
{
mat4 projection;
mat4 view;
Instance instance[8];
} ubo;
layout (location = 0) out vec3 outUV;
void main()
{
outUV = vec3(inUV, ubo.instance[gl_InstanceIndex].arrayIndex.x);
mat4 modelView = ubo.view * ubo.instance[gl_InstanceIndex].model;
gl_Position = ubo.projection * modelView * inPos;
}