#include <string.h>
#include <assert.h>
#include "effect.h"
+#include "effect_chain.h"
#include "util.h"
#include <GL/gl.h>
#include <GL/glext.h>
-void set_uniform_int(GLuint glsl_program_num, const std::string &prefix, const std::string &key, int value)
+GLint get_uniform_location(GLuint glsl_program_num, const std::string &prefix, const std::string &key)
{
std::string name = prefix + "_" + key;
- GLint l = glGetUniformLocation(glsl_program_num, name.c_str());
- if (l == -1) {
+ return glGetUniformLocation(glsl_program_num, name.c_str());
+}
+
+void set_uniform_int(GLuint glsl_program_num, const std::string &prefix, const std::string &key, int value)
+{
+ GLint location = get_uniform_location(glsl_program_num, prefix, key);
+ if (location == -1) {
return;
}
check_error();
- glUniform1i(l, value);
+ glUniform1i(location, value);
check_error();
}
void set_uniform_float(GLuint glsl_program_num, const std::string &prefix, const std::string &key, float value)
{
- std::string name = prefix + "_" + key;
- GLint l = glGetUniformLocation(glsl_program_num, name.c_str());
- if (l == -1) {
+ GLint location = get_uniform_location(glsl_program_num, prefix, key);
+ if (location == -1) {
+ return;
+ }
+ check_error();
+ glUniform1f(location, value);
+ check_error();
+}
+
+void set_uniform_float_array(GLuint glsl_program_num, const std::string &prefix, const std::string &key, const float *values, size_t num_values)
+{
+ GLint location = get_uniform_location(glsl_program_num, prefix, key);
+ if (location == -1) {
return;
}
check_error();
- glUniform1f(l, value);
+ glUniform1fv(location, num_values, values);
check_error();
}
void set_uniform_vec2(GLuint 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) {
+ GLint location = get_uniform_location(glsl_program_num, prefix, key);
+ if (location == -1) {
return;
}
check_error();
- glUniform2fv(l, 1, values);
+ glUniform2fv(location, 1, values);
check_error();
}
void set_uniform_vec3(GLuint 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) {
+ GLint location = get_uniform_location(glsl_program_num, prefix, key);
+ if (location == -1) {
+ return;
+ }
+ check_error();
+ glUniform3fv(location, 1, values);
+ check_error();
+}
+
+void set_uniform_vec4_array(GLuint glsl_program_num, const std::string &prefix, const std::string &key, const float *values, size_t num_values)
+{
+ GLint location = get_uniform_location(glsl_program_num, prefix, key);
+ if (location == -1) {
return;
}
check_error();
- glUniform3fv(l, 1, values);
+ glUniform4fv(location, num_values, values);
check_error();
}
params_tex_1d[key].needs_update = true;
}
+void Effect::add_self_to_effect_chain(EffectChain *chain, const std::vector<Effect *> &inputs)
+{
+ chain->add_effect_raw(this, inputs);
+}
+
// Output convenience uniforms for each parameter.
// These will be filled in per-frame.
std::string Effect::output_convenience_uniforms() const