From 4152ac76d0813d9d0f67d2f04653a13fa6e17433 Mon Sep 17 00:00:00 2001
From: UjinT34 <41110182+UjinT34@users.noreply.github.com>
Date: Sat, 7 Mar 2026 00:44:10 +0300
Subject: renderer: refactor Texture, Framebuffer and Renderbuffer (#13437)

Part 1 of the renderer refactors
---
 src/render/gl/GLRenderbuffer.cpp | 71 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 71 insertions(+)
 create mode 100644 src/render/gl/GLRenderbuffer.cpp

(limited to 'src/render/gl/GLRenderbuffer.cpp')

diff --git a/src/render/gl/GLRenderbuffer.cpp b/src/render/gl/GLRenderbuffer.cpp
new file mode 100644
index 00000000..8299d0e4
--- /dev/null
+++ b/src/render/gl/GLRenderbuffer.cpp
@@ -0,0 +1,71 @@
+#include "GLRenderbuffer.hpp"
+#include "../Renderer.hpp"
+#include "../OpenGL.hpp"
+#include "../../Compositor.hpp"
+#include "../Framebuffer.hpp"
+#include "GLFramebuffer.hpp"
+#include "render/Renderbuffer.hpp"
+#include <hyprutils/memory/SharedPtr.hpp>
+#include <hyprutils/signal/Listener.hpp>
+#include <hyprutils/signal/Signal.hpp>
+
+#include <dlfcn.h>
+
+CGLRenderbuffer::~CGLRenderbuffer() {
+    if (!g_pCompositor || g_pCompositor->m_isShuttingDown || !g_pHyprRenderer)
+        return;
+
+    g_pHyprRenderer->makeEGLCurrent();
+
+    unbind();
+    m_framebuffer->release();
+
+    if (m_rbo)
+        glDeleteRenderbuffers(1, &m_rbo);
+
+    if (m_image != EGL_NO_IMAGE_KHR)
+        g_pHyprOpenGL->m_proc.eglDestroyImageKHR(g_pHyprOpenGL->m_eglDisplay, m_image);
+}
+
+CGLRenderbuffer::CGLRenderbuffer(SP<Aquamarine::IBuffer> buffer, uint32_t format) : IRenderbuffer(buffer, format) {
+    auto dma = buffer->dmabuf();
+
+    m_image = g_pHyprOpenGL->createEGLImage(dma);
+    if (m_image == EGL_NO_IMAGE_KHR) {
+        Log::logger->log(Log::ERR, "rb: createEGLImage failed");
+        return;
+    }
+
+    glGenRenderbuffers(1, &m_rbo);
+    glBindRenderbuffer(GL_RENDERBUFFER, m_rbo);
+    g_pHyprOpenGL->m_proc.glEGLImageTargetRenderbufferStorageOES(GL_RENDERBUFFER, m_image);
+    glBindRenderbuffer(GL_RENDERBUFFER, 0);
+
+    m_framebuffer = makeShared<CGLFramebuffer>();
+    glGenFramebuffers(1, &GLFB(m_framebuffer)->m_fb);
+    GLFB(m_framebuffer)->m_fbAllocated = true;
+    m_framebuffer->m_size              = buffer->size;
+    m_framebuffer->m_drmFormat         = dma.format;
+    m_framebuffer->bind();
+    glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_RENDERBUFFER, m_rbo);
+
+    if (glCheckFramebufferStatus(GL_FRAMEBUFFER) != GL_FRAMEBUFFER_COMPLETE) {
+        Log::logger->log(Log::ERR, "rbo: glCheckFramebufferStatus failed");
+        return;
+    }
+
+    GLFB(m_framebuffer)->unbind();
+
+    m_listeners.destroyBuffer = buffer->events.destroy.listen([this] { g_pHyprRenderer->onRenderbufferDestroy(this); });
+
+    m_good = true;
+}
+
+void CGLRenderbuffer::bind() {
+    g_pHyprRenderer->makeEGLCurrent();
+    m_framebuffer->bind();
+}
+
+void CGLRenderbuffer::unbind() {
+    GLFB(m_framebuffer)->unbind();
+}
-- 
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