shweet/anm2ed
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

basics

Browse Source
This commit is contained in:
shweet
2025-06-19 05:29:06 -04:00
parent 9929e69f22
commit 91190987ed
30 changed files with 2754 additions and 475 deletions
Download Patch File Download Diff File Expand all files Collapse all files

48
src/preview.cpp Normal file
View File

@ -0,0 +1,48 @@
#include "preview.h"
/* Initializes the preview */
void
preview_init(Preview* self)
{
glGenFramebuffers(1, &self->fbo);
glBindFramebuffer(GL_FRAMEBUFFER, self->fbo);
glGenTextures(1, &self->texture);
glBindTexture(GL_TEXTURE_2D, self->texture);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, PREVIEW_SIZE.x, PREVIEW_SIZE.y, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, self->texture, 0);
glGenRenderbuffers(1, &self->rbo);
glBindRenderbuffer(GL_RENDERBUFFER, self->rbo);
glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH24_STENCIL8, PREVIEW_SIZE.x, PREVIEW_SIZE.y);
glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_STENCIL_ATTACHMENT, GL_RENDERBUFFER, self->rbo);
glBindFramebuffer(GL_FRAMEBUFFER, 0);
}
void
preview_draw(Preview* self)
{
glBindFramebuffer(GL_FRAMEBUFFER, self->fbo);
glViewport(0, 0, PREVIEW_SIZE.x, PREVIEW_SIZE.y);
glClearColor(self->color.r, self->color.g, self->color.b, self->color.a);
glClear(GL_COLOR_BUFFER_BIT);
glBindFramebuffer(GL_FRAMEBUFFER, 0); // unbind
}
void
preview_free(Preview* self)
{
glDeleteTextures(1, &self->texture);
glDeleteFramebuffers(1, &self->fbo);
glDeleteRenderbuffers(1, &self->rbo);
memset(self, '\0', sizeof(Preview));
}