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LEFTONE/core/loshader/posteffect.c
falsycat 80b3b82332 [RELEASE] u22-v04
This version is submitted for U22 final presentation. (squashed 158 commits)
2021-02-07 00:00:00 +00:00

102 lines
2.7 KiB
C

#include "./posteffect.h"
#include <assert.h>
#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
#include <GL/glew.h>
#include "util/gleasy/buffer.h"
#include "util/gleasy/framebuffer.h"
#include "util/gleasy/program.h"
#include "util/math/vector.h"
#include "util/memory/memory.h"
#include "./uniblock.h"
/* resources */
#include "core/loshader/anysrc/header.shader.h"
#include "core/loshader/anysrc/posteffect.vshader.h"
#include "core/loshader/anysrc/posteffect.fshader.h"
#define UNIFORM_SRC_ 0
#define PRIMITIVE_COUNT_ 6
#pragma pack(push, 1)
typedef struct {
float distortion_amnesia;
float distortion_radial;
float distortion_urgent;
float raster_whole;
float aberration_radial;
float blur_whole;
float brightness_whole;
float fade_radial;
} loshader_posteffect_drawer_internal_param_t;
#pragma pack(pop)
_Static_assert(
sizeof(float)*8 ==
sizeof(loshader_posteffect_drawer_internal_param_t),
"recheck the type has no padding");
void loshader_posteffect_drawer_initialize(
loshader_posteffect_drawer_t* drawer,
const loshader_uniblock_t* uniblock,
const gleasy_framebuffer_t* fb) {
assert(drawer != NULL);
assert(uniblock != NULL);
assert(fb != NULL);
*drawer = (typeof(*drawer)) {
.fb = fb,
};
const gleasy_program_t prog = gleasy_program_new(
loshader_header_shader_, sizeof(loshader_header_shader_),
loshader_posteffect_vshader_, sizeof(loshader_posteffect_vshader_),
loshader_posteffect_fshader_, sizeof(loshader_posteffect_fshader_));
loshader_single_drawer_initialize(
&drawer->super,
prog,
uniblock,
sizeof(loshader_posteffect_drawer_internal_param_t));
}
void loshader_posteffect_drawer_set_param(
loshader_posteffect_drawer_t* drawer,
const loshader_posteffect_drawer_param_t* param) {
assert(drawer != NULL);
assert(param != NULL);
const loshader_posteffect_drawer_internal_param_t p = {
.distortion_amnesia = param->distortion_amnesia,
.distortion_radial = param->distortion_radial,
.distortion_urgent = param->distortion_urgent,
.raster_whole = param->raster_whole,
.aberration_radial = param->aberration_radial,
.blur_whole = param->blur_whole,
.brightness_whole = param->brightness_whole,
.fade_radial = param->fade_radial,
};
loshader_single_drawer_set_param(&drawer->super, &p);
}
void loshader_posteffect_drawer_draw(
const loshader_posteffect_drawer_t* drawer) {
assert(drawer != NULL);
glUseProgram(drawer->super.prog);
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, drawer->fb->colorbuf);
glUniform1i(UNIFORM_SRC_, 0);
loshader_single_drawer_draw_without_use_program(
&drawer->super, PRIMITIVE_COUNT_);
}