Mercurial > hg > forks > gldragon
changeset 26:67647ed860f0
Improve shader compilation error reporting.
author | Matti Hamalainen <ccr@tnsp.org> |
---|---|
date | Fri, 22 Nov 2019 07:37:41 +0200 |
parents | 2403030a0352 |
children | 097184bd34a8 |
files | gldragon.cpp |
diffstat | 1 files changed, 15 insertions(+), 4 deletions(-) [+] |
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--- a/gldragon.cpp Fri Nov 22 06:47:13 2019 +0200 +++ b/gldragon.cpp Fri Nov 22 07:37:41 2019 +0200 @@ -268,10 +268,21 @@ return true; else { - char err[512]; - glGetShaderInfoLog(shader, sizeof(err), NULL, err); - printf("ERROR: %s\n", - err); + GLint bufLen = 0; + glGetShaderiv(shader, GL_INFO_LOG_LENGTH, &bufLen); + + if (bufLen > 0) + { + char *buf = new char[bufLen]; + glGetShaderInfoLog(shader, bufLen, NULL, buf); + printf("ERROR: Shader compliation error:\n%s\n", + buf); + delete buf; + } + else + { + printf("ERROR: Shader compilation error occured, but no error information got.\n"); + } return false; } }