static void CompileShaders()
{
GLuint ShaderProgram = glCreateProgram();
if (ShaderProgram == 0)
{
fprintf(stderr, "glCreateProgram() error\n");
exit(1);
}
std::string vs, fs;
if (!Util_ReadFile(pVSFileName, vs))
{
fprintf(stderr, "ReadFile(VS) fail, file = %s\n", pVSFileName);
exit(1);
}
if (!Util_ReadFile(pFSFileName, fs))
{
fprintf(stderr, "ReadFile(FS) fail, file = %s\n", pFSFileName);
exit(1);
}
AddShader(ShaderProgram, vs.c_str(), GL_VERTEX_SHADER);
AddShader(ShaderProgram, fs.c_str(), GL_FRAGMENT_SHADER);
GLint success = 0;
GLchar log[1024] = { 0 };
glLinkProgram(ShaderProgram);
glGetProgramiv(ShaderProgram, GL_LINK_STATUS, &success);
if (success == 0)
{
glGetProgramInfoLog(ShaderProgram, sizeof(log), NULL, log);
fprintf(stderr, "glLinkProgram fail: '%s'\n", log);
exit(1);
}
glValidateProgram(ShaderProgram);
glGetProgramiv(ShaderProgram, GL_VALIDATE_STATUS, &success);
if (success == 0)
{
glGetProgramInfoLog(ShaderProgram, sizeof(log), NULL, log);
fprintf(stderr, "glValidateProgram fail: '%s'\n", log);
exit(1);
}
glUseProgram(ShaderProgram);
gWorldLocation = glGetUniformLocation(ShaderProgram, "gWorld");
assert(gWorldLocation != 0xFFFFFFFF);
}
int
CONFLoad(const char* fileName)
{
int i;
int rv = CONF_OK;
char* line = NULL;
int length = 0;
char* buffer = NULL;
void* vbuffer = NULL;
char* savePtr = NULL;
LOG_DEBUG("CONFLoad %s", fileName);
if (fileName == NULL) {
LOG_ERROR("fileName = NULL");
rv = CONF_ERROR_PARAMETER;
goto out;
}
if (__confInit == 0) {
LOG_ERROR("libconf not initialized");
rv = CONF_ERROR_INIT;
goto out;
}
LOG_INFO("Reading configuration from %s", fileName);
length = Util_ReadFile(fileName, &vbuffer, 1);
if (length < 0) {
if (length == VPL_ERR_NOENT) {
LOG_INFO("%s does not exist; skipping", fileName);
} else {
LOG_ERROR("Util_ReadFile(%s) failed: %d", fileName, length);
}
rv = length;
goto out;
}
buffer = vbuffer;
// Add a null-terminator so strtok doesn't read past the end of the buffer.
buffer[length] = '\0';
line = safe_strtok(buffer, "\n", &savePtr);
while (line != NULL) {
CONFVariable var;
size_t lineLen = strlen(line);
if (lineLen < 2 || (line[0] == '/' && line[1] == '/')) {
goto skip;
}
memset(&var, 0, sizeof(var));
sscanf(line, "%"VPL_STRING(CONF_MAX_STR_LENGTH)"s = %"VPL_STRING(CONF_MAX_STR_LENGTH)"s\n",
var.name, var.value);
LOG_DEBUG("name,value = '%s','%s'", var.name, var.value);
// Check if the length of name and value are less than buffer size.
// 3 is the length of ' = ' in configuration format.
// Still regard as success but put an error in log.
// Add 3 (instead of subtracting 3) to avoid wrapping around if lineLen == strlen(var.name),
// which can happen if there is no ' = ' in the line.
if ( (lineLen - strlen(var.name) > CONF_MAX_STR_LENGTH + 3) ||
(lineLen - strlen(var.value) > CONF_MAX_STR_LENGTH + 3) ) {
LOG_ERROR("Configuration exceeds buffer size: '%s'", line);
}
for (i = 0; i < CONF_MAX_LENGTH; i++) {
var.name[i] = tolower(var.name[i]);
}
// overwrite duplicate entries
if (CONFOverWriteDuplicate(&var) == CONF_ERROR_NOT_FOUND) {
memcpy(&__confVars[__confFilled], &var, sizeof(var));
__confFilled++;
}
// grow array
if (__confFilled >= __confSize) {
CONFVariable* tempVars;
__confSize *= 2;
tempVars = __confVars;
__confVars = (CONFVariable*)malloc(__confSize * sizeof(CONFVariable));
memset(__confVars, 0, __confSize * sizeof(CONFVariable));
memcpy(__confVars, tempVars, __confFilled * sizeof(CONFVariable));
free(tempVars);
}
skip:
line = safe_strtok(NULL, "\n", &savePtr);
}
qsort(__confVars, __confFilled, sizeof(CONFVariable), CONFCompare);
out:
free(buffer);
return rv;
}