SPIRV-Cross/reference/shaders-no-opt/frag/texture1d-emulation.legacy.frag
Hans-Kristian Arntzen 1c88730e12 GLSL: Implement 1D texture emulation for ES.
ES does not support 1D images at all. Fake it by promoting 1D images to
2D.
2022-05-27 11:51:34 +02:00

22 lines
601 B
GLSL

#version 100
#extension GL_EXT_shadow_samplers : require
precision mediump float;
precision highp int;
uniform highp sampler2D uSamp;
uniform highp sampler2DShadow uSampShadow;
varying highp vec4 vUV;
void main()
{
gl_FragData[0] = texture2D(uSamp, vec2(vUV.x, 0.0));
gl_FragData[0] += texture2DProj(uSamp, vec3(vUV.xy.x, 0.0, vUV.xy.y));
gl_FragData[0] += vec4(shadow2DEXT(uSampShadow, vec3(vUV.xyz.x, 0.0, vUV.xyz.z)));
highp vec4 _44 = vUV;
highp vec4 _47 = _44;
_47.y = _44.w;
gl_FragData[0] += vec4(shadow2DProjEXT(uSampShadow, vec4(_47.x, 0.0, _44.z, _47.y)));
}