PulseStudio/VoxelEngine
PulseStudio/VoxelEngine
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Fixed Framebuffer

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This commit is contained in:
MihailRis 2023-11-27 19:13:17 +03:00
parent 6fcfc7e272
commit 7b4cc8f650
2 changed files with 26 additions and 46 deletions
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60
src/graphics/Framebuffer.cpp
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@ -3,46 +3,24 @@
#include <GL/glew.h>
#include "Texture.h"
Framebuffer::Framebuffer(int width, int height) : width(width), height(height) {
// glGenFramebuffers(1, &fbo);
// bind();
// GLuint tex;
// glGenTextures(1, &tex);
// // glBindTexture(GL_TEXTURE_2D, tex);
// glBindTexture(GL_TEXTURE_2D_MULTISAMPLE, tex);
// // glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, width, height, 0, GL_RGB, GL_UNSIGNED_BYTE, nullptr);
// glTexImage2DMultisample(GL_TEXTURE_2D_MULTISAMPLE, 4, GL_RGB, width, height, GL_TRUE);
// glTexParameteri(GL_TEXTURE_2D_MULTISAMPLE, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
// glTexParameteri(GL_TEXTURE_2D_MULTISAMPLE, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
// glTexParameteri(GL_TEXTURE_2D_MULTISAMPLE, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
// glTexParameteri(GL_TEXTURE_2D_MULTISAMPLE, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
// glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D_MULTISAMPLE, tex, 0);
// texture = new Texture(tex, width, height);
// glGenRenderbuffers(1, &depth);
// glBindRenderbuffer(GL_RENDERBUFFER, depth);
// glRenderbufferStorageMultisample(GL_RENDERBUFFER, 4, GL_DEPTH_COMPONENT24, width, height);
// // glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH_COMPONENT24, width, height);
// glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, depth);
// unbind();
// bind();
// glGenFramebuffers(1, &fbo);
// // create a multisampled color attachment texture
// unsigned int textureColorBufferMultiSampled;
// glGenTextures(1, &textureColorBufferMultiSampled);
// glBindTexture(GL_TEXTURE_2D_MULTISAMPLE, textureColorBufferMultiSampled);
// glTexImage2DMultisample(GL_TEXTURE_2D_MULTISAMPLE, 4, GL_RGB, width, height, GL_TRUE);
// glBindTexture(GL_TEXTURE_2D_MULTISAMPLE, 0);
// glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D_MULTISAMPLE, textureColorBufferMultiSampled, 0);
// // create a (also multisampled) renderbuffer object for depth and stencil attachments
// unsigned int rbo;
// glGenRenderbuffers(1, &rbo);
// glBindRenderbuffer(GL_RENDERBUFFER, rbo);
// glRenderbufferStorageMultisample(GL_RENDERBUFFER, 4, GL_DEPTH24_STENCIL8, width, height);
// glBindRenderbuffer(GL_RENDERBUFFER, 0);
// glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_STENCIL_ATTACHMENT, GL_RENDERBUFFER, rbo);
// unbind();
Framebuffer::Framebuffer(uint width, uint height) : width(width), height(height) {
glGenFramebuffers(1, &fbo);
bind();
GLuint tex;
glGenTextures(1, &tex);
glBindTexture(GL_TEXTURE_2D, tex);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, width, height, 0, GL_RGB, GL_UNSIGNED_BYTE, nullptr);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, tex, 0);
texture = new Texture(tex, width, height);
glGenRenderbuffers(1, &depth);
glBindRenderbuffer(GL_RENDERBUFFER, depth);
glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH_COMPONENT24, width, height);
glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, depth);
unbind();
}
Framebuffer::~Framebuffer() {
@ -56,4 +34,4 @@ void Framebuffer::bind() {
void Framebuffer::unbind() {
glBindFramebuffer(GL_FRAMEBUFFER, 0);
}
}

12
src/graphics/Framebuffer.h
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@ -1,16 +1,18 @@
#ifndef SRC_GRAPHICS_FRAMEBUFFER_H_
#define SRC_GRAPHICS_FRAMEBUFFER_H_
#include "../typedefs.h"
class Texture;
class Framebuffer {
unsigned int fbo;
unsigned int depth;
uint fbo;
uint depth;
public:
int width;
int height;
uint width;
uint height;
Texture* texture;
Framebuffer(int width, int height);
Framebuffer(uint width, uint height);
~Framebuffer();
void bind();