void opengl_light_state::SetAmbient(GLfloat *val)
{
Assert(Light_num >= 0 && Light_num < GL_max_lights);
if ( fl_equal(Ambient[0], val[0]) &&
fl_equal(Ambient[1], val[1]) &&
fl_equal(Ambient[2], val[2]) &&
fl_equal(Ambient[3], val[3]) ) {
return;
}
Ambient[0] = val[0];
Ambient[1] = val[1];
Ambient[2] = val[2];
Ambient[3] = val[3];
}
void opengl_light_state::SetDiffuse(GLfloat *val)
{
Assert(Light_num >= 0 && Light_num < GL_max_lights);
if ( fl_equal(Diffuse[0], val[0]) &&
fl_equal(Diffuse[1], val[1]) &&
fl_equal(Diffuse[2], val[2]) &&
fl_equal(Diffuse[3], val[3]) ) {
return;
}
Diffuse[0] = val[0];
Diffuse[1] = val[1];
Diffuse[2] = val[2];
Diffuse[3] = val[3];
}
void opengl_light_state::SetSpecular(GLfloat *val)
{
Assert(Light_num >= 0 && Light_num < GL_max_lights);
if ( fl_equal(Specular[0], val[0]) &&
fl_equal(Specular[1], val[1]) &&
fl_equal(Specular[2], val[2]) &&
fl_equal(Specular[3], val[3]) ) {
return;
}
Specular[0] = val[0];
Specular[1] = val[1];
Specular[2] = val[2];
Specular[3] = val[3];
}
void opengl_light_state::SetPosition(GLfloat *val)
{
Assert(Light_num >= 0 && Light_num < GL_max_lights);
if ( !InvalidPosition &&
fl_equal(Position[0], val[0]) &&
fl_equal(Position[1], val[1]) &&
fl_equal(Position[2], val[2]) &&
fl_equal(Position[3], val[3]) ) {
return;
}
Position[0] = val[0];
Position[1] = val[1];
Position[2] = val[2];
Position[3] = val[3];
InvalidPosition = false;
}
void opengl::ShaderUniforms::setUniform1fv(const SCP_string &name, const int count, const float *val)
{
Assertion(GL_state.IsCurrentProgram(_program->getShaderHandle()), "The program must be current before setting uniforms!");
auto uniform_index = findUniform(name);
bool resident = false;
if (uniform_index != INVALID_SIZE) {
Assert((size_t)uniform_index < _uniforms.size());
uniform_bind *bind_info = &_uniforms[uniform_index];
if (bind_info->type == uniform_bind::FLOAT && bind_info->count == count) {
bool equal = true;
// if the values are close enough, pass.
for (int i = 0; i < count; ++i) {
if (!fl_equal(val[i], _uniform_data_floats[bind_info->index + i])) {
equal = false;
break;
}
}
if (equal) {
return;
}
resident = true;
for (int i = 0; i < count; ++i) {
_uniform_data_floats[bind_info->index + i] = val[i];
}
}
}
if (!resident) {
// uniform doesn't exist in our previous uniform block so queue this new value
for (int i = 0; i < count; ++i) {
_uniform_data_floats.push_back(val[i]);
}
uniform_bind new_bind;
new_bind.count = count;
new_bind.index = _uniform_data_floats.size() - count;
// new_bind.index = num_matrix_uniforms - count;
new_bind.type = uniform_bind::FLOAT;
new_bind.name = name;
_uniforms.push_back(new_bind);
_uniform_lookup[name] = _uniforms.size() - 1;
}
glUniform1fv(findUniformLocation(name.c_str()), count, (const GLfloat*)val);
}
void opengl_light_state::SetSpotCutoff(GLfloat val)
{
Assert(Light_num >= 0 && Light_num < GL_max_lights);
if ( fl_equal(SpotCutoff, val) ) {
return;
}
SpotCutoff = val;
}
void opengl_light_state::SetSpotExponent(GLfloat val)
{
Assert(Light_num >= 0 && Light_num < GL_max_lights);
if ( fl_equal(SpotExponent, val) ) {
return;
}
SpotExponent = val;
}
void opengl_light_state::SetQuadraticAttenuation(GLfloat val)
{
Assert(Light_num >= 0 && Light_num < GL_max_lights);
if ( fl_equal(QuadraticAttenuation, val) ) {
return;
}
QuadraticAttenuation = val;
}
void opengl::ShaderUniforms::setUniformf(const SCP_string &name, const float val)
{
Assertion(GL_state.IsCurrentProgram(_program->getShaderHandle()), "The program must be current before setting uniforms!");
size_t uniform_index = findUniform(name);
bool resident = false;
if (uniform_index != (size_t)-1) {
Assert((size_t)uniform_index < _uniforms.size());
uniform_bind *bind_info = &_uniforms[uniform_index];
if (bind_info->type == uniform_bind::FLOAT) {
if (fl_equal(_uniform_data_floats[bind_info->index], val)) {
return;
}
_uniform_data_floats[bind_info->index] = val;
resident = true;
}
}
if (!resident) {
// uniform doesn't exist in our previous uniform block so queue this new value
_uniform_data_floats.push_back(val);
uniform_bind new_bind;
new_bind.count = 1;
new_bind.index = _uniform_data_floats.size() - 1;
new_bind.type = uniform_bind::FLOAT;
new_bind.name = name;
_uniforms.push_back(new_bind);
_uniform_lookup[name] = _uniforms.size() - 1;
}
glUniform1f(findUniformLocation(name.c_str()), val);
}
void opengl_uniform_state::setUniformf(const SCP_string &name, const float val)
{
size_t uniform_index = findUniform(name);
bool resident = false;
if ( uniform_index != (size_t) -1) {
Assert( (size_t)uniform_index < uniforms.size() );
uniform_bind *bind_info = &uniforms[uniform_index];
if ( bind_info->type == uniform_bind::FLOAT ) {
if ( fl_equal(uniform_data_floats[bind_info->index], val) ) {
return;
}
uniform_data_floats[bind_info->index] = val;
resident = true;
}
}
if ( !resident ) {
// uniform doesn't exist in our previous uniform block so queue this new value
uniform_data_floats.push_back(val);
uniform_bind new_bind;
new_bind.count = 1;
new_bind.index = uniform_data_floats.size() - 1;
new_bind.type = uniform_bind::FLOAT;
new_bind.name = name;
uniforms.push_back(new_bind);
uniform_lookup[name] = uniforms.size()-1;
}
glUniform1f(opengl_shader_get_uniform(name.c_str()), val);
}
static int fl_equal_ex_ts(const db_field_log *pfl1, const db_field_log *pfl2) {
db_field_log fl1 = *pfl1;
fl1.time = pfl2->time;
return fl_equal(&fl1, pfl2);
}
