using POSITION in frag shader causes GLSL compiler error

[romulox-x]

In a 3D fragment shader, when trying to use the POSITION variable, I get this error:

ERROR: get_current_version: MaterialShaderGLES2: Program LINK FAILED:
Fragment info
-------------
0(846) : error C5052: gl_Position is not accessible in this profile

I believe this is because gl_Position is only meant to be used as the output of the vertex shader, not the input to the fragment shader. In the fragment shader, the position is available in gl_FragCoord.

[reduz]

will be rewritting most of this for 3.0, so for now not doing much 3D work

[x1212]

replacing the line
mode_replace_table[ShaderLanguage::SHADER_MATERIAL_FRAGMENT]["POSITION"]="gl_Position";
with
mode_replace_table[ShaderLanguage::SHADER_MATERIAL_FRAGMENT]["POSITION"]="gl_FragCoord";

in drivers/gles2/shader_compiler_gles2.cpp seems to solve that for me

[reduz]

this was rewritten in 3.0 and seems to work, closing