static inline void gl_shader_deinit(void)
{
#ifdef HAVE_CG
gl_cg_deinit();
#endif
#ifdef HAVE_XML
gl_glsl_deinit();
#endif
}
static bool gl_cg_init(const char *path)
{
unsigned i;
#ifdef HAVE_CG_RUNTIME_COMPILER
cgRTCgcInit();
#endif
if (!cgCtx)
cgCtx = cgCreateContext();
if (cgCtx == NULL)
{
RARCH_ERR("Failed to create Cg context\n");
return false;
}
#ifdef RARCH_CG_DEBUG
cgGLSetDebugMode(CG_TRUE);
cgSetErrorHandler(cg_error_handler, NULL);
#endif
cgFProf = cgGLGetLatestProfile(CG_GL_FRAGMENT);
cgVProf = cgGLGetLatestProfile(CG_GL_VERTEX);
if (cgFProf == CG_PROFILE_UNKNOWN || cgVProf == CG_PROFILE_UNKNOWN)
{
RARCH_ERR("Invalid profile type\n");
goto error;
}
#ifndef HAVE_RGL
RARCH_LOG("[Cg]: Vertex profile: %s\n", cgGetProfileString(cgVProf));
RARCH_LOG("[Cg]: Fragment profile: %s\n", cgGetProfileString(cgFProf));
#endif
cgGLSetOptimalOptions(cgFProf);
cgGLSetOptimalOptions(cgVProf);
cgGLEnableProfile(cgFProf);
cgGLEnableProfile(cgVProf);
if (path && strcmp(path_get_extension(path), "cgp") == 0)
{
if (!load_preset(path))
goto error;
}
else
{
if (!load_plain(path))
goto error;
}
prg[0].mvp = cgGetNamedParameter(prg[0].vprg, "IN.mvp_matrix");
for (i = 1; i <= cg_shader->passes; i++)
set_program_attributes(i);
// If we aren't using last pass non-FBO shader,
// this shader will be assumed to be "fixed-function".
// Just use prg[0] for that pass, which will be
// pass-through.
prg[cg_shader->passes + 1] = prg[0];
// No need to apply Android hack in Cg.
prg[GL_SHADER_STOCK_BLEND] = prg[0];
cgGLBindProgram(prg[1].fprg);
cgGLBindProgram(prg[1].vprg);
cg_active = true;
return true;
error:
gl_cg_deinit();
return false;
}
