float r, g, b;
};
+// Can alias on a float[4].
+struct RGBATriplet {
+ RGBATriplet(float r, float g, float b, float a)
+ : r(r), g(g), b(b), a(a) {}
+
+ float r, g, b, a;
+};
+
// Convenience functions that deal with prepending the prefix.
GLint get_uniform_location(GLuint glsl_program_num, const std::string &prefix, const std::string &key);
void set_uniform_int(GLuint glsl_program_num, const std::string &prefix, const std::string &key, int value);
void set_uniform_float(GLuint glsl_program_num, const std::string &prefix, const std::string &key, float value);
void set_uniform_vec2(GLuint glsl_program_num, const std::string &prefix, const std::string &key, const float *values);
void set_uniform_vec3(GLuint glsl_program_num, const std::string &prefix, const std::string &key, const float *values);
+void set_uniform_vec4(GLuint glsl_program_num, const std::string &prefix, const std::string &key, const float *values);
void set_uniform_vec4_array(GLuint glsl_program_num, const std::string &prefix, const std::string &key, const float *values, size_t num_values);
void set_uniform_mat3(GLuint glsl_program_num, const std::string &prefix, const std::string &key, const Eigen::Matrix3d &matrix);
virtual bool set_float(const std::string &key, float value) MUST_CHECK_RESULT;
virtual bool set_vec2(const std::string &key, const float *values) MUST_CHECK_RESULT;
virtual bool set_vec3(const std::string &key, const float *values) MUST_CHECK_RESULT;
+ virtual bool set_vec4(const std::string &key, const float *values) MUST_CHECK_RESULT;
protected:
// Register a parameter. Whenever set_*() is called with the same key,
// Thus, ints that you register will _not_ be converted to GLSL uniforms.
void register_int(const std::string &key, int *value);
- // These correspond directly to float/vec2/vec3 in GLSL.
+ // These correspond directly to float/vec2/vec3/vec4 in GLSL.
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);
+ void register_vec4(const std::string &key, float *values);
// This will register a 1D texture, which will be bound to a sampler
// when your GLSL code runs (so it corresponds 1:1 to a sampler2D uniform
std::map<std::string, float *> params_float;
std::map<std::string, float *> params_vec2;
std::map<std::string, float *> params_vec3;
+ std::map<std::string, float *> params_vec4;
std::map<std::string, Texture1D> params_tex_1d;
};