check_error();
}
+void set_uniform_vec2(GLhandleARB glsl_program_num, const std::string &prefix, const std::string &key, const float *values)
+{
+ std::string name = prefix + "_" + key;
+ GLint l = glGetUniformLocation(glsl_program_num, name.c_str());
+ if (l == -1) {
+ return;
+ }
+ check_error();
+ glUniform2fv(l, 1, values);
+ check_error();
+}
+
void set_uniform_vec3(GLhandleARB glsl_program_num, const std::string &prefix, const std::string &key, const float *values)
{
std::string name = prefix + "_" + key;
return true;
}
+bool Effect::set_vec2(const std::string &key, const float *values)
+{
+ if (params_vec2.count(key) == 0) {
+ return false;
+ }
+ memcpy(params_vec2[key], values, sizeof(float) * 2);
+ return true;
+}
+
bool Effect::set_vec3(const std::string &key, const float *values)
{
if (params_vec3.count(key) == 0) {
params_float[key] = value;
}
+void Effect::register_vec2(const std::string &key, float *values)
+{
+ assert(params_vec2.count(key) == 0);
+ params_vec2[key] = values;
+}
+
void Effect::register_vec3(const std::string &key, float *values)
{
assert(params_vec3.count(key) == 0);
sprintf(buf, "uniform float PREFIX(%s);\n", it->first.c_str());
output.append(buf);
}
+ for (std::map<std::string, float*>::const_iterator it = params_vec2.begin();
+ it != params_vec2.end();
+ ++it) {
+ char buf[256];
+ sprintf(buf, "uniform vec2 PREFIX(%s);\n", it->first.c_str());
+ output.append(buf);
+ }
for (std::map<std::string, float*>::const_iterator it = params_vec3.begin();
it != params_vec3.end();
++it) {
++it) {
set_uniform_float(glsl_program_num, prefix, it->first, *it->second);
}
+ for (std::map<std::string, float*>::const_iterator it = params_vec2.begin();
+ it != params_vec2.end();
+ ++it) {
+ set_uniform_vec2(glsl_program_num, prefix, it->first, it->second);
+ }
for (std::map<std::string, float*>::const_iterator it = params_vec3.begin();
it != params_vec3.end();
++it) {
#include <GL/gl.h>
+// Can alias on a float[2].
+struct Point2D {
+ Point2D(float x, float y)
+ : x(x), y(y) {}
+
+ float x, y;
+};
+
// Can alias on a float[3].
struct RGBTriplet {
RGBTriplet(float r, float g, float b)
float r, g, b;
};
-// Convenience functions that deal with prepending the prefix..
+// Convenience functions that deal with prepending the prefix.
void set_uniform_float(GLhandleARB glsl_program_num, const std::string &prefix, const std::string &key, float value);
+void set_uniform_vec2(GLhandleARB glsl_program_num, const std::string &prefix, const std::string &key, const float *values);
void set_uniform_vec3(GLhandleARB glsl_program_num, const std::string &prefix, const std::string &key, const float *values);
class Effect {
// Neither of these take ownership.
bool set_int(const std::string&, int value);
bool set_float(const std::string &key, float value);
+ bool set_vec2(const std::string &key, const float *values);
bool set_vec3(const std::string &key, const float *values);
protected:
// Neither of these take ownership.
void register_int(const std::string &key, int *value);
void register_float(const std::string &key, float *value);
+ void register_vec2(const std::string &key, float *values);
void register_vec3(const std::string &key, float *values);
private:
std::map<std::string, int *> params_int;
std::map<std::string, float *> params_float;
+ std::map<std::string, float *> params_vec2;
std::map<std::string, float *> params_vec3;
};