diff options
Diffstat (limited to 'src/render/Framebuffer.cpp')
| -rw-r--r-- | src/render/Framebuffer.cpp | 134 |
1 files changed, 12 insertions, 122 deletions
diff --git a/src/render/Framebuffer.cpp b/src/render/Framebuffer.cpp index 23bbd643..b2ff7e68 100644 --- a/src/render/Framebuffer.cpp +++ b/src/render/Framebuffer.cpp @@ -1,140 +1,30 @@ #include "Framebuffer.hpp" -#include "OpenGL.hpp" -CFramebuffer::CFramebuffer() { - ; -} +IFramebuffer::IFramebuffer(const std::string& name) : m_name(name) {} -bool CFramebuffer::alloc(int w, int h, uint32_t drmFormat) { - bool firstAlloc = false; +bool IFramebuffer::alloc(int w, int h, uint32_t format) { RASSERT((w > 0 && h > 0), "cannot alloc a FB with negative / zero size! (attempted {}x{})", w, h); const bool sizeChanged = (m_size != Vector2D(w, h)); - const bool formatChanged = (drmFormat != m_drmFormat); - - if (!m_tex) { - m_tex = makeShared<CTexture>(); - m_tex->allocate(); - m_tex->bind(); - m_tex->setTexParameter(GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); - m_tex->setTexParameter(GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); - m_tex->setTexParameter(GL_TEXTURE_MAG_FILTER, GL_LINEAR); - m_tex->setTexParameter(GL_TEXTURE_MIN_FILTER, GL_LINEAR); - firstAlloc = true; - } - - if (!m_fbAllocated) { - glGenFramebuffers(1, &m_fb); - m_fbAllocated = true; - firstAlloc = true; - } - - if (firstAlloc || sizeChanged || formatChanged) { - const auto format = NFormatUtils::getPixelFormatFromDRM(drmFormat); - m_tex->bind(); - glTexImage2D(GL_TEXTURE_2D, 0, format->glInternalFormat ? format->glInternalFormat : format->glFormat, w, h, 0, format->glFormat, format->glType, nullptr); - glBindFramebuffer(GL_FRAMEBUFFER, m_fb); - glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, m_tex->m_texID, 0); - - if (m_stencilTex) { - m_stencilTex->bind(); - glTexImage2D(GL_TEXTURE_2D, 0, GL_DEPTH24_STENCIL8, w, h, 0, GL_DEPTH_STENCIL, GL_UNSIGNED_INT_24_8, nullptr); - glFramebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_STENCIL_ATTACHMENT, GL_TEXTURE_2D, m_stencilTex->m_texID, 0); - - glDisable(GL_DEPTH_TEST); - glDepthMask(GL_FALSE); - } - - auto status = glCheckFramebufferStatus(GL_FRAMEBUFFER); - RASSERT((status == GL_FRAMEBUFFER_COMPLETE), "Framebuffer incomplete, couldn't create! (FB status: {}, GL Error: 0x{:x})", status, sc<int>(glGetError())); - - Log::logger->log(Log::DEBUG, "Framebuffer created, status {}", status); - } - - glBindTexture(GL_TEXTURE_2D, 0); - glBindFramebuffer(GL_FRAMEBUFFER, 0); - - m_drmFormat = drmFormat; - m_size = Vector2D(w, h); - - return true; -} - -void CFramebuffer::addStencil(SP<CTexture> tex) { - if (m_stencilTex == tex) - return; - - m_stencilTex = tex; - m_stencilTex->bind(); - glTexImage2D(GL_TEXTURE_2D, 0, GL_DEPTH24_STENCIL8, m_size.x, m_size.y, 0, GL_DEPTH_STENCIL, GL_UNSIGNED_INT_24_8, nullptr); - - glBindFramebuffer(GL_FRAMEBUFFER, m_fb); - - glFramebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_STENCIL_ATTACHMENT, GL_TEXTURE_2D, m_stencilTex->m_texID, 0); - - glDisable(GL_DEPTH_TEST); - glDepthMask(GL_FALSE); + const bool formatChanged = (format != m_drmFormat); - auto status = glCheckFramebufferStatus(GL_FRAMEBUFFER); - RASSERT((status == GL_FRAMEBUFFER_COMPLETE), "Failed adding a stencil to fbo!", status); + if (m_fbAllocated && !sizeChanged && !formatChanged) + return true; - m_stencilTex->unbind(); - glBindFramebuffer(GL_FRAMEBUFFER, 0); + m_size = {w, h}; + m_drmFormat = format; + m_fbAllocated = internalAlloc(w, h, format); + return m_fbAllocated; } -void CFramebuffer::bind() { - glBindFramebuffer(GL_DRAW_FRAMEBUFFER, m_fb); - - if (g_pHyprOpenGL) - g_pHyprOpenGL->setViewport(0, 0, g_pHyprOpenGL->m_renderData.pMonitor->m_pixelSize.x, g_pHyprOpenGL->m_renderData.pMonitor->m_pixelSize.y); - else - glViewport(0, 0, m_size.x, m_size.y); -} - -void CFramebuffer::unbind() { - glBindFramebuffer(GL_DRAW_FRAMEBUFFER, 0); -} - -void CFramebuffer::release() { - if (m_fbAllocated) { - glBindFramebuffer(GL_FRAMEBUFFER, m_fb); - glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 0, 0); - glBindFramebuffer(GL_FRAMEBUFFER, 0); - - glDeleteFramebuffers(1, &m_fb); - m_fbAllocated = false; - m_fb = 0; - } - - if (m_tex) - m_tex.reset(); - - m_size = Vector2D(); -} - -CFramebuffer::~CFramebuffer() { - release(); -} - -bool CFramebuffer::isAllocated() { +bool IFramebuffer::isAllocated() { return m_fbAllocated && m_tex; } -SP<CTexture> CFramebuffer::getTexture() { +SP<ITexture> IFramebuffer::getTexture() { return m_tex; } -GLuint CFramebuffer::getFBID() { - return m_fbAllocated ? m_fb : 0; -} - -SP<CTexture> CFramebuffer::getStencilTex() { +SP<ITexture> IFramebuffer::getStencilTex() { return m_stencilTex; } - -void CFramebuffer::invalidate(const std::vector<GLenum>& attachments) { - if (!isAllocated()) - return; - - glInvalidateFramebuffer(GL_FRAMEBUFFER, attachments.size(), attachments.data()); -} |
