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Fix VRAM memory leak when releasing snapshots

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This commit is contained in:
vaxerski
2022-07-12 23:11:34 +02:00
parent f9985a36b3
commit bf762f566f
6 changed files with 29 additions and 17 deletions
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18
src/render/Framebuffer.cpp
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@@ -2,15 +2,14 @@
#include "OpenGL.hpp"
bool CFramebuffer::alloc(int w, int h) {
bool firstAlloc = false;
if (m_iFb == (uint32_t)-1)
{
bool firstAlloc = false;
if (m_iFb == (uint32_t)-1) {
firstAlloc = true;
glGenFramebuffers(1, &m_iFb);
}
if (m_cTex.m_iTexID == 0)
{
if (m_cTex.m_iTexID == 0) {
firstAlloc = true;
glGenTextures(1, &m_cTex.m_iTexID);
glBindTexture(GL_TEXTURE_2D, m_cTex.m_iTexID);
@@ -20,13 +19,11 @@ bool CFramebuffer::alloc(int w, int h) {
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
}
if (firstAlloc || m_Size != Vector2D(w, h))
{
if (firstAlloc || m_Size != Vector2D(w, h)) {
glBindTexture(GL_TEXTURE_2D, m_cTex.m_iTexID);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, w, h, 0, GL_RGBA, GL_UNSIGNED_BYTE, 0);
glBindFramebuffer(GL_FRAMEBUFFER, m_iFb);
glBindTexture(GL_TEXTURE_2D, m_cTex.m_iTexID);
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, m_cTex.m_iTexID, 0);
@@ -37,7 +34,6 @@ bool CFramebuffer::alloc(int w, int h) {
glTexImage2D(GL_TEXTURE_2D, 0, GL_DEPTH24_STENCIL8, w, h, 0, GL_DEPTH_STENCIL, GL_UNSIGNED_INT_24_8, 0);
glBindFramebuffer(GL_FRAMEBUFFER, m_iFb);
glBindTexture(GL_TEXTURE_2D, m_pStencilTex->m_iTexID);
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_STENCIL_ATTACHMENT, GL_TEXTURE_2D, m_pStencilTex->m_iTexID, 0);
}
@@ -78,3 +74,7 @@ void CFramebuffer::release() {
m_cTex.m_iTexID = 0;
m_iFb = -1;
}
CFramebuffer::~CFramebuffer() {
release();
}