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Remove try/catch block that is not needed

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This commit is contained in:
Kearwood Kip Gilbert
2019-07-11 14:24:17 -07:00
parent d7235734cd
commit 7a5debf358
1 changed files with 89 additions and 104 deletions
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175
kraken/KRShader.cpp
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@@ -115,110 +115,95 @@ KRShader::KRShader(KRContext &context, char *szKey, std::string options, std::st
GLuint vertexShader = 0, fragShader = 0;
try {
const GLchar *vertSource[2] = {options.c_str(), vertShaderSource.c_str()};
const GLchar *fragSource[2] = {options.c_str(), fragShaderSource.c_str()};
// Create shader program.
GLDEBUG(m_iProgram = glCreateProgram());
const GLchar *vertSource[2] = {options.c_str(), vertShaderSource.c_str()};
const GLchar *fragSource[2] = {options.c_str(), fragShaderSource.c_str()};
// Create and compile vertex shader.
GLDEBUG(vertexShader = glCreateShader(GL_VERTEX_SHADER));
GLDEBUG(glShaderSource(vertexShader, 2, vertSource, NULL));
GLDEBUG(glCompileShader(vertexShader));
// Create shader program.
GLDEBUG(m_iProgram = glCreateProgram());
// Report any compile issues to stderr
GLint logLength = 0;
GLDEBUG(glGetShaderiv(vertexShader, GL_INFO_LOG_LENGTH, &logLength));
if (logLength > 0) {
// Create and compile vertex shader.
GLDEBUG(vertexShader = glCreateShader(GL_VERTEX_SHADER));
GLDEBUG(glShaderSource(vertexShader, 2, vertSource, NULL));
GLDEBUG(glCompileShader(vertexShader));
// Report any compile issues to stderr
GLint logLength = 0;
GLDEBUG(glGetShaderiv(vertexShader, GL_INFO_LOG_LENGTH, &logLength));
if (logLength > 0) {
GLchar *log = (GLchar *)malloc(logLength + 1);
assert(log != NULL);
log[0] = '\0'; // In case glGetShaderInfoLog fails
GLDEBUG(glGetShaderInfoLog(vertexShader, logLength, &logLength, log));
log[logLength] = '\0';
KRContext::Log(KRContext::LOG_LEVEL_ERROR, "KREngine - Failed to compile vertex shader: %s\nShader compile log:\n%s", szKey, log);
free(log);
}
// Create and compile vertex shader.
GLDEBUG(fragShader = glCreateShader(GL_FRAGMENT_SHADER));
GLDEBUG(glShaderSource(fragShader, 2, fragSource, NULL));
GLDEBUG(glCompileShader(fragShader));
// Report any compile issues to stderr
logLength = 0; // In case glGetShaderiv fails
GLDEBUG(glGetShaderiv(fragShader, GL_INFO_LOG_LENGTH, &logLength));
if (logLength > 0) {
GLchar *log = (GLchar *)malloc(logLength + 1);
assert(log != NULL);
log[0] = '\0'; // In case glGetShaderInfoLog fails
GLDEBUG(glGetShaderInfoLog(fragShader, logLength, &logLength, log));
log[logLength] = '\0';
KRContext::Log(KRContext::LOG_LEVEL_ERROR, "KREngine - Failed to compile fragment shader: %s\nShader compile log:\n%s", szKey, log);
free(log);
}
// Attach vertex shader to program.
GLDEBUG(glAttachShader(m_iProgram, vertexShader));
// Attach fragment shader to program.
GLDEBUG(glAttachShader(m_iProgram, fragShader));
// Bind attribute locations.
// This needs to be done prior to linking.
GLDEBUG(glBindAttribLocation(m_iProgram, KRMesh::KRENGINE_ATTRIB_VERTEX, "vertex_position"));
GLDEBUG(glBindAttribLocation(m_iProgram, KRMesh::KRENGINE_ATTRIB_NORMAL, "vertex_normal"));
GLDEBUG(glBindAttribLocation(m_iProgram, KRMesh::KRENGINE_ATTRIB_TANGENT, "vertex_tangent"));
GLDEBUG(glBindAttribLocation(m_iProgram, KRMesh::KRENGINE_ATTRIB_TEXUVA, "vertex_uv"));
GLDEBUG(glBindAttribLocation(m_iProgram, KRMesh::KRENGINE_ATTRIB_TEXUVB, "vertex_lightmap_uv"));
GLDEBUG(glBindAttribLocation(m_iProgram, KRMesh::KRENGINE_ATTRIB_BONEINDEXES, "bone_indexes"));
GLDEBUG(glBindAttribLocation(m_iProgram, KRMesh::KRENGINE_ATTRIB_BONEWEIGHTS, "bone_weights"));
// Link program.
GLDEBUG(glLinkProgram(m_iProgram));
GLint link_success = GL_FALSE;
GLDEBUG(glGetProgramiv(m_iProgram, GL_LINK_STATUS, &link_success));
if(link_success != GL_TRUE) {
// Report any linking issues to stderr
KRContext::Log(KRContext::LOG_LEVEL_ERROR, "KREngine - Failed to link shader program: %s", szKey);
logLength = 0; // In case glGetProgramiv fails
GLDEBUG(glGetProgramiv(m_iProgram, GL_INFO_LOG_LENGTH, &logLength));
if (logLength > 0)
{
GLchar *log = (GLchar *)malloc(logLength + 1);
assert(log != NULL);
log[0] = '\0'; // In case glGetShaderInfoLog fails
GLDEBUG(glGetShaderInfoLog(vertexShader, logLength, &logLength, log));
log[0] = '\0'; // In case glGetProgramInfoLog fails
GLDEBUG(glGetProgramInfoLog(m_iProgram, logLength, &logLength, log));
log[logLength] = '\0';
KRContext::Log(KRContext::LOG_LEVEL_ERROR, "KREngine - Failed to compile vertex shader: %s\nShader compile log:\n%s", szKey, log);
KRContext::Log(KRContext::LOG_LEVEL_ERROR, "Program link log:\n%s", log);
free(log);
}
GLDEBUG(glDeleteProgram(m_iProgram));
m_iProgram = 0;
} else {
// Create and compile vertex shader.
GLDEBUG(fragShader = glCreateShader(GL_FRAGMENT_SHADER));
GLDEBUG(glShaderSource(fragShader, 2, fragSource, NULL));
GLDEBUG(glCompileShader(fragShader));
// Report any compile issues to stderr
logLength = 0; // In case glGetShaderiv fails
GLDEBUG(glGetShaderiv(fragShader, GL_INFO_LOG_LENGTH, &logLength));
if (logLength > 0) {
GLchar *log = (GLchar *)malloc(logLength + 1);
assert(log != NULL);
log[0] = '\0'; // In case glGetShaderInfoLog fails
GLDEBUG(glGetShaderInfoLog(fragShader, logLength, &logLength, log));
log[logLength] = '\0';
KRContext::Log(KRContext::LOG_LEVEL_ERROR, "KREngine - Failed to compile fragment shader: %s\nShader compile log:\n%s", szKey, log);
free(log);
}
// Attach vertex shader to program.
GLDEBUG(glAttachShader(m_iProgram, vertexShader));
// Attach fragment shader to program.
GLDEBUG(glAttachShader(m_iProgram, fragShader));
// Bind attribute locations.
// This needs to be done prior to linking.
GLDEBUG(glBindAttribLocation(m_iProgram, KRMesh::KRENGINE_ATTRIB_VERTEX, "vertex_position"));
GLDEBUG(glBindAttribLocation(m_iProgram, KRMesh::KRENGINE_ATTRIB_NORMAL, "vertex_normal"));
GLDEBUG(glBindAttribLocation(m_iProgram, KRMesh::KRENGINE_ATTRIB_TANGENT, "vertex_tangent"));
GLDEBUG(glBindAttribLocation(m_iProgram, KRMesh::KRENGINE_ATTRIB_TEXUVA, "vertex_uv"));
GLDEBUG(glBindAttribLocation(m_iProgram, KRMesh::KRENGINE_ATTRIB_TEXUVB, "vertex_lightmap_uv"));
GLDEBUG(glBindAttribLocation(m_iProgram, KRMesh::KRENGINE_ATTRIB_BONEINDEXES, "bone_indexes"));
GLDEBUG(glBindAttribLocation(m_iProgram, KRMesh::KRENGINE_ATTRIB_BONEWEIGHTS, "bone_weights"));
// Link program.
GLDEBUG(glLinkProgram(m_iProgram));
GLint link_success = GL_FALSE;
GLDEBUG(glGetProgramiv(m_iProgram, GL_LINK_STATUS, &link_success));
if(link_success != GL_TRUE) {
// Report any linking issues to stderr
KRContext::Log(KRContext::LOG_LEVEL_ERROR, "KREngine - Failed to link shader program: %s", szKey);
logLength = 0; // In case glGetProgramiv fails
GLDEBUG(glGetProgramiv(m_iProgram, GL_INFO_LOG_LENGTH, &logLength));
if (logLength > 0)
{
GLchar *log = (GLchar *)malloc(logLength + 1);
assert(log != NULL);
log[0] = '\0'; // In case glGetProgramInfoLog fails
GLDEBUG(glGetProgramInfoLog(m_iProgram, logLength, &logLength, log));
log[logLength] = '\0';
KRContext::Log(KRContext::LOG_LEVEL_ERROR, "Program link log:\n%s", log);
free(log);
}
GLDEBUG(glDeleteProgram(m_iProgram));
m_iProgram = 0;
} else {
// Get uniform locations
for(int i=0; i < KRENGINE_NUM_UNIFORMS; i++ ){
GLDEBUG(m_uniforms[i] = glGetUniformLocation(m_iProgram, KRENGINE_UNIFORM_NAMES[i]));
m_uniform_value_index[i] = -1;
}
}
} catch(...) {
if(vertexShader) {
GLDEBUG(glDeleteShader(vertexShader));
vertexShader = 0;
}
if(fragShader) {
GLDEBUG(glDeleteShader(fragShader));
fragShader = 0;
}
if(m_iProgram) {
GLDEBUG(glDeleteProgram(m_iProgram));
m_iProgram = 0;
// Get uniform locations
for(int i=0; i < KRENGINE_NUM_UNIFORMS; i++ ){
GLDEBUG(m_uniforms[i] = glGetUniformLocation(m_iProgram, KRENGINE_UNIFORM_NAMES[i]));
m_uniform_value_index[i] = -1;
}
}