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