#define WIDTH 1280
#define HEIGHT 720
-#define BUFFER_OFFSET(i) ((char *)NULL + (i))
#include <string.h>
#include <math.h>
Effect *lift_gamma_gain_effect = chain.add_effect(EFFECT_LIFT_GAMMA_GAIN);
Effect *saturation_effect = chain.add_effect(EFFECT_SATURATION);
Effect *vignette_effect = chain.add_effect(EFFECT_VIGNETTE);
+ //chain.add_effect(EFFECT_MIRROR);
chain.add_output(inout_format);
chain.finalize();
update_hsv(lift_gamma_gain_effect, saturation_effect);
vignette_effect->set_float("radius", radius);
vignette_effect->set_float("inner_radius", inner_radius);
+ //vignette_effect->set_vec2("center", (float[]){ 0.7f, 0.5f });
chain.render_to_screen(src_img);
+ glBindBuffer(GL_PIXEL_PACK_BUFFER_ARB, 1);
+ check_error();
glReadPixels(0, 0, WIDTH, HEIGHT, GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV, BUFFER_OFFSET(0));
check_error();
+ glBindBuffer(GL_PIXEL_PACK_BUFFER_ARB, 0);
+ check_error();
draw_hsv_wheel(0.0f, lift_rad, lift_theta, lift_v);
draw_hsv_wheel(0.2f, gamma_rad, gamma_theta, gamma_v);
SDL_GL_SwapBuffers();
check_error();
+ glBindBuffer(GL_PIXEL_PACK_BUFFER_ARB, 1);
+ check_error();
unsigned char *screenbuf = (unsigned char *)glMapBuffer(GL_PIXEL_PACK_BUFFER_ARB, GL_READ_ONLY);
check_error();
if (screenshot) {
}
glUnmapBuffer(GL_PIXEL_PACK_BUFFER_ARB);
check_error();
+ glBindBuffer(GL_PIXEL_PACK_BUFFER_ARB, 0);
+ check_error();
#if 1
#if _POSIX_C_SOURCE >= 199309L