// Glow: Cut out the highlights of the image (everything above a certain threshold),
// blur them, and overlay them onto the original image.
-#include <GL/glew.h>
+#include <epoxy/gl.h>
#include <assert.h>
#include <string>
class GlowEffect : public Effect {
public:
GlowEffect();
- virtual std::string effect_type_id() const { return "GlowEffect"; }
+ std::string effect_type_id() const override { return "GlowEffect"; }
- virtual bool needs_srgb_primaries() const { return false; }
+ bool needs_srgb_primaries() const override { return false; }
- virtual void rewrite_graph(EffectChain *graph, Node *self);
- virtual bool set_float(const std::string &key, float value);
+ void rewrite_graph(EffectChain *graph, Node *self) override;
+ bool set_float(const std::string &key, float value) override;
- virtual std::string output_fragment_shader() {
+ std::string output_fragment_shader() override {
assert(false);
}
- virtual void set_gl_state(GLuint glsl_program_num, const std::string &prefix, unsigned *sampler_num) {
+ void set_gl_state(GLuint glsl_program_num, const std::string &prefix, unsigned *sampler_num) override {
assert(false);
}
class HighlightCutoffEffect : public Effect {
public:
HighlightCutoffEffect();
- virtual std::string effect_type_id() const { return "HighlightCutoffEffect"; }
- std::string output_fragment_shader();
+ std::string effect_type_id() const override { return "HighlightCutoffEffect"; }
+ std::string output_fragment_shader() override;
- virtual AlphaHandling alpha_handling() const { return INPUT_PREMULTIPLIED_ALPHA_KEEP_BLANK; }
+ AlphaHandling alpha_handling() const override { return INPUT_PREMULTIPLIED_ALPHA_KEEP_BLANK; }
+ bool strong_one_to_one_sampling() const override { return true; }
private:
float cutoff;