mirror of
https://github.com/hyprwm/Hyprland.git
synced 2026-02-11 04:55:31 +00:00
49fdffacea
In GLES2, `GL_RGB10_A2` and `GL_UNSIGNED_INT_2_10_10_10_REV` are defined as `GL_RGB10_A2_EXT` and `GL_UNSIGNED_INT_2_10_10_10_REV_EXT` respectively.
92 lines
2.9 KiB
C++
92 lines
2.9 KiB
C++
#include "Framebuffer.hpp"
|
|
#include "OpenGL.hpp"
|
|
|
|
bool CFramebuffer::alloc(int w, int h, uint32_t drmFormat) {
|
|
bool firstAlloc = false;
|
|
RASSERT((w > 1 && h > 1), "cannot alloc a FB with negative / zero size! (attempted {}x{})", w, h);
|
|
|
|
uint32_t glFormat = drmFormatToGL(drmFormat);
|
|
uint32_t glType = glFormat != GL_RGBA ?
|
|
#ifdef GLES2
|
|
GL_UNSIGNED_INT_2_10_10_10_REV_EXT :
|
|
#else
|
|
GL_UNSIGNED_INT_2_10_10_10_REV :
|
|
#endif
|
|
GL_UNSIGNED_BYTE;
|
|
|
|
if (m_iFb == (uint32_t)-1) {
|
|
firstAlloc = true;
|
|
glGenFramebuffers(1, &m_iFb);
|
|
}
|
|
|
|
if (m_cTex.m_iTexID == 0) {
|
|
firstAlloc = true;
|
|
glGenTextures(1, &m_cTex.m_iTexID);
|
|
glBindTexture(GL_TEXTURE_2D, m_cTex.m_iTexID);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
|
|
}
|
|
|
|
if (firstAlloc || m_vSize != Vector2D(w, h)) {
|
|
glBindTexture(GL_TEXTURE_2D, m_cTex.m_iTexID);
|
|
glTexImage2D(GL_TEXTURE_2D, 0, glFormat, w, h, 0, GL_RGBA, glType, 0);
|
|
|
|
glBindFramebuffer(GL_FRAMEBUFFER, m_iFb);
|
|
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, m_cTex.m_iTexID, 0);
|
|
|
|
// TODO: Allow this with gles2
|
|
#ifndef GLES2
|
|
if (m_pStencilTex) {
|
|
glBindTexture(GL_TEXTURE_2D, m_pStencilTex->m_iTexID);
|
|
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);
|
|
|
|
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_STENCIL_ATTACHMENT, GL_TEXTURE_2D, m_pStencilTex->m_iTexID, 0);
|
|
}
|
|
#endif
|
|
|
|
auto status = glCheckFramebufferStatus(GL_FRAMEBUFFER);
|
|
RASSERT((status == GL_FRAMEBUFFER_COMPLETE), "Framebuffer incomplete, couldn't create! (FB status: {})", status);
|
|
|
|
Debug::log(LOG, "Framebuffer created, status {}", status);
|
|
}
|
|
|
|
glBindTexture(GL_TEXTURE_2D, 0);
|
|
glBindFramebuffer(GL_FRAMEBUFFER, g_pHyprOpenGL->m_iCurrentOutputFb);
|
|
|
|
m_vSize = Vector2D(w, h);
|
|
|
|
return true;
|
|
}
|
|
|
|
void CFramebuffer::bind() {
|
|
#ifndef GLES2
|
|
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, m_iFb);
|
|
#else
|
|
glBindFramebuffer(GL_FRAMEBUFFER, m_iFb);
|
|
#endif
|
|
glViewport(0, 0, g_pHyprOpenGL->m_RenderData.pMonitor->vecPixelSize.x, g_pHyprOpenGL->m_RenderData.pMonitor->vecPixelSize.y);
|
|
}
|
|
|
|
void CFramebuffer::release() {
|
|
if (m_iFb != (uint32_t)-1 && m_iFb)
|
|
glDeleteFramebuffers(1, &m_iFb);
|
|
|
|
if (m_cTex.m_iTexID)
|
|
glDeleteTextures(1, &m_cTex.m_iTexID);
|
|
|
|
m_cTex.m_iTexID = 0;
|
|
m_iFb = -1;
|
|
m_vSize = Vector2D();
|
|
}
|
|
|
|
CFramebuffer::~CFramebuffer() {
|
|
release();
|
|
}
|
|
|
|
bool CFramebuffer::isAllocated() {
|
|
return m_iFb != (GLuint)-1;
|
|
} |