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fix Cg error reporting and lack of shader unbinding

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This commit is contained in:
rdb 2014-02-15 21:34:57 +00:00
parent bfebff1d0a
commit edab64c570
1 changed files with 30 additions and 20 deletions
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50
panda/src/glstuff/glShaderContext_src.cxx
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@ -221,51 +221,58 @@ CLP(ShaderContext)(Shader *s, GSG *gsg) : ShaderContext(s) {
#if defined(HAVE_CG) && !defined(OPENGLES)
_cg_context = 0;
_cg_vprofile = CG_PROFILE_UNKNOWN;
_cg_fprofile = CG_PROFILE_UNKNOWN;
_cg_gprofile = CG_PROFILE_UNKNOWN;
if (s->get_language() == Shader::SL_Cg) {
// Ask the shader to compile itself for us and
// to give us the resulting Cg program objects.
if (!s->cg_compile_for(gsg->_shader_caps,
_cg_context,
_cg_vprogram,
_cg_fprogram,
_cg_fprogram,
_cg_gprogram,
_cg_parameter_map)) {
return;
}
// Load the program.
if (_cg_vprogram != 0) {
_cg_vprofile = cgGetProgramProfile(_cg_vprogram);
cgGLLoadProgram(_cg_vprogram);
CGerror verror = cgGetError();
if (verror != CG_NO_ERROR) {
const char *str = (const char *)GLP(GetString)(GL_PROGRAM_ERROR_STRING_ARB);
GLCAT.error() << "Could not load Cg vertex program:" << s->get_filename(Shader::ST_vertex) << " (" <<
cgGetProfileString(cgGetProgramProfile(_cg_vprogram)) << " " << str << ")\n";
const char *str = cgGetErrorString(verror);
GLCAT.error()
<< "Could not load Cg vertex program: " << s->get_filename(Shader::ST_vertex)
<< " (" << cgGetProfileString(_cg_vprofile) << " " << str << ")\n";
release_resources(gsg);
}
}
if (_cg_fprogram != 0) {
_cg_fprofile = cgGetProgramProfile(_cg_fprogram);
cgGLLoadProgram(_cg_fprogram);
CGerror ferror = cgGetError();
if (ferror != CG_NO_ERROR) {
const char *str = (const char *)GLP(GetString)(GL_PROGRAM_ERROR_STRING_ARB);
GLCAT.error() << "Could not load Cg fragment program:" << s->get_filename(Shader::ST_fragment) << " (" <<
cgGetProfileString(cgGetProgramProfile(_cg_fprogram)) << " " << str << ")\n";
const char *str = cgGetErrorString(ferror);
GLCAT.error()
<< "Could not load Cg fragment program: " << s->get_filename(Shader::ST_fragment)
<< " (" << cgGetProfileString(_cg_fprofile) << " " << str << ")\n";
release_resources(gsg);
}
}
if (_cg_gprogram != 0) {
_cg_gprofile = cgGetProgramProfile(_cg_gprogram);
cgGLLoadProgram(_cg_gprogram);
CGerror gerror = cgGetError();
if (gerror != CG_NO_ERROR) {
const char *str = (const char *)GLP(GetString)(GL_PROGRAM_ERROR_STRING_ARB);
GLCAT.error() << "Could not load Cg geometry program:" << s->get_filename(Shader::ST_geometry) << " (" <<
cgGetProfileString(cgGetProgramProfile(_cg_gprogram)) << " " << str << ")\n";
const char *str = cgGetErrorString(gerror);
GLCAT.error()
<< "Could not load Cg geometry program: " << s->get_filename(Shader::ST_geometry)
<< " (" << cgGetProfileString(_cg_gprofile) << " " << str << ")\n";
release_resources(gsg);
}
}
@ -832,15 +839,15 @@ bind(GSG *gsg, bool reissue_parameters) {
if (_cg_context != 0) {
// Bind the shaders.
if (_cg_vprogram != 0) {
cgGLEnableProfile(cgGetProgramProfile(_cg_vprogram));
cgGLEnableProfile(_cg_vprofile);
cgGLBindProgram(_cg_vprogram);
}
if (_cg_fprogram != 0) {
cgGLEnableProfile(cgGetProgramProfile(_cg_fprogram));
cgGLEnableProfile(_cg_fprofile);
cgGLBindProgram(_cg_fprogram);
}
if (_cg_gprogram != 0) {
cgGLEnableProfile(cgGetProgramProfile(_cg_gprogram));
cgGLEnableProfile(_cg_gprofile);
cgGLBindProgram(_cg_gprogram);
}
@ -863,19 +870,22 @@ unbind(GSG *gsg) {
#if defined(HAVE_CG) && !defined(OPENGLES)
if (_cg_context != 0) {
if (_cg_vprogram != 0) {
cgGLDisableProfile(cgGetProgramProfile(_cg_vprogram));
cgGLUnbindProgram(_cg_vprofile);
cgGLDisableProfile(_cg_vprofile);
}
if (_cg_fprogram != 0) {
cgGLDisableProfile(cgGetProgramProfile(_cg_fprogram));
cgGLUnbindProgram(_cg_fprofile);
cgGLDisableProfile(_cg_fprofile);
}
if (_cg_gprogram != 0) {
cgGLDisableProfile(cgGetProgramProfile(_cg_gprogram));
cgGLUnbindProgram(_cg_gprofile);
cgGLDisableProfile(_cg_gprofile);
}
cg_report_errors();
}
#endif
if (_shader->get_language() == Shader::SL_GLSL) {
gsg->_glUseProgram(0);
}