SPIRV-Cross/reference/shaders/desktop-only/vert/shader-draw-parameters-450.desktop.vk.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

25 lines
614 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_BaseVertex gl_BaseVertexARB
#else
uniform int SPIRV_Cross_BaseVertex;
#endif
#ifdef GL_ARB_shader_draw_parameters
#define SPIRV_Cross_BaseInstance gl_BaseInstanceARB
#else
uniform int SPIRV_Cross_BaseInstance;
#endif
#ifndef GL_ARB_shader_draw_parameters
#error GL_ARB_shader_draw_parameters is not supported.
#endif
void main()
{
gl_Position = vec4(float(SPIRV_Cross_BaseVertex), float(SPIRV_Cross_BaseInstance), float(gl_DrawIDARB), 1.0);
}