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Improve debug information when compiling GLSL shaders

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This commit is contained in:
rdb 2015-11-11 17:08:27 +01:00
parent 8822ac0b05
commit a573a11d90
1 changed files with 19 additions and 4 deletions
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23
panda/src/glstuff/glShaderContext_src.cxx
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@ -2479,6 +2479,15 @@ glsl_report_program_errors(GLuint program, bool fatal) {
////////////////////////////////////////////////////////////////////
bool CLP(ShaderContext)::
glsl_compile_shader(Shader::ShaderType type) {
static const char *types[] = {"", "vertex ", "fragment ", "geometry ",
"tessellation control ", "tessellation evaluation ", "compute ", ""};
if (GLCAT.is_debug()) {
GLCAT.debug()
<< "Compiling GLSL " << types[type] << "shader "
<< _shader->get_filename(type) << "\n";
}
GLuint handle = 0;
switch (type) {
case Shader::ST_vertex:
@ -2514,7 +2523,7 @@ glsl_compile_shader(Shader::ShaderType type) {
}
if (!handle) {
GLCAT.error()
<< "Could not create a GLSL shader of the requested type.\n";
<< "Could not create a GLSL " << types[type] << "shader.\n";
_glgsg->report_my_gl_errors();
return false;
}
@ -2533,8 +2542,8 @@ glsl_compile_shader(Shader::ShaderType type) {
if (status != GL_TRUE) {
GLCAT.error()
<< "An error occurred while compiling GLSL shader "
<< _shader->get_filename(type) << ":\n";
<< "An error occurred while compiling GLSL " << types[type]
<< "shader " << _shader->get_filename(type) << ":\n";
glsl_report_shader_errors(handle, type, true);
_glgsg->_glDeleteShader(handle);
_glgsg->report_my_gl_errors();
@ -2629,12 +2638,18 @@ glsl_compile_and_link() {
}
#endif
if (GLCAT.is_debug()) {
GLCAT.debug()
<< "Linking GLSL shader " << _shader->get_filename() << "\n";
}
_glgsg->_glLinkProgram(_glsl_program);
GLint status;
_glgsg->_glGetProgramiv(_glsl_program, GL_LINK_STATUS, &status);
if (status != GL_TRUE) {
GLCAT.error() << "An error occurred while linking GLSL shader program!\n";
GLCAT.error() << "An error occurred while linking GLSL shader "
<< _shader->get_filename() << "\n";
glsl_report_program_errors(_glsl_program, true);
return false;
}