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Rendering now to a HyprFramebuffer

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This commit is contained in:
vaxerski 2022-04-09 15:01:28 +02:00
parent eea92231fa
commit b7094200f6
3 changed files with 25 additions and 1 deletions
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2
src/render/Framebuffer.cpp
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@ -20,7 +20,7 @@ bool CFramebuffer::alloc(int w, int h) {
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
}
if (firstAlloc)
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);

22
src/render/OpenGL.cpp
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@ -108,10 +108,32 @@ void CHyprOpenGLImpl::begin(SMonitor* pMonitor) {
glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
glGetIntegerv(GL_FRAMEBUFFER_BINDING, &m_iCurrentOutputFb);
m_iWLROutputFb = m_iCurrentOutputFb;
// ensure a framebuffer for the monitor exists
if (m_mMonitorFramebuffers.find(pMonitor) == m_mMonitorFramebuffers.end() || m_mMonitorFramebuffers[pMonitor].m_Size != pMonitor->vecSize)
m_mMonitorFramebuffers[pMonitor].alloc(pMonitor->vecSize.x, pMonitor->vecSize.y);
// bind the Hypr Framebuffer
m_mMonitorFramebuffers[pMonitor].bind();
clear(CColor(11, 11, 11, 255));
}
void CHyprOpenGLImpl::end() {
// end the render, copy the data to the WLR framebuffer
glBindFramebuffer(GL_FRAMEBUFFER, m_iWLROutputFb);
const auto TRANSFORM = wlr_output_transform_invert(WL_OUTPUT_TRANSFORM_NORMAL);
float matrix[9];
wlr_box windowBox = {0, 0, m_RenderData.pMonitor->vecSize.x, m_RenderData.pMonitor->vecSize.y};
wlr_matrix_project_box(matrix, &windowBox, TRANSFORM, 0, m_RenderData.pMonitor->output->transform_matrix);
clear(CColor(11, 11, 11, 255));
renderTexture(m_mMonitorFramebuffers[m_RenderData.pMonitor].m_cTex, matrix, 255.f, 0);
// reset our data
m_RenderData.pMonitor = nullptr;
m_iWLROutputFb = 0;
}
void CHyprOpenGLImpl::clear(const CColor& color) {

2
src/render/OpenGL.hpp
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@ -51,8 +51,10 @@ public:
SCurrentRenderData m_RenderData;
GLint m_iCurrentOutputFb = 0;
GLint m_iWLROutputFb = 0;
std::unordered_map<CWindow*, CFramebuffer> m_mWindowFramebuffers;
std::unordered_map<SMonitor*, CFramebuffer> m_mMonitorFramebuffers;
private:
std::list<GLuint> m_lBuffers;