SPIRV-Cross/reference/opt/shaders/asm/vert/uint-vertex-id-instance-id.asm.vert
Hans-Kristian Arntzen ef247e75ec GLSL: Improve support for GL_ARB_shader_draw_parameters in desktop GLSL.
Opt-in to using the extension to support gl_InstanceIndex.
2020-05-22 12:53:34 +02:00

17 lines
367 B
GLSL

#version 450
#ifdef GL_ARB_shader_draw_parameters
#extension GL_ARB_shader_draw_parameters : enable
#endif
#ifdef GL_ARB_shader_draw_parameters
#define SPIRV_Cross_BaseInstance gl_BaseInstanceARB
#else
uniform int SPIRV_Cross_BaseInstance;
#endif
void main()
{
gl_Position = vec4(float(uint(gl_VertexID) + uint((gl_InstanceID + SPIRV_Cross_BaseInstance))));
}