opengl: move from unordered_set to array

setCapStatus is a a heavy used function in hot rendering paths, it
shows up in profiling as using a bit of cpu just because of
unordered_set hashing etc, move to a enum and array and cache only the
heavily used ones.

1 files changed, 26 insertions, 8 deletions

diff --git a/src/render/OpenGL.cpp b/src/render/OpenGL.cpp
index e1ecdd2f..fd5ce164 100644
--- a/src/render/OpenGL.cpp
+++ b/src/render/OpenGL.cpp
@@ -3170,18 +3170,36 @@ void CHyprOpenGLImpl::setViewport(GLint x, GLint y, GLsizei width, GLsizei heigh
 }
 
 void CHyprOpenGLImpl::setCapStatus(int cap, bool status) {
-    // check if the capability status is already set to the desired status
-    auto it            = m_capStatus.find(cap);
-    bool currentStatus = (it != m_capStatus.end()) ? it->second : false; // default to 'false' if not found
+    const auto getCapIndex = [cap]() {
+        switch (cap) {
+            case GL_BLEND: return CAP_STATUS_BLEND;
+            case GL_SCISSOR_TEST: return CAP_STATUS_SCISSOR_TEST;
+            case GL_STENCIL_TEST: return CAP_STATUS_STENCIL_TEST;
+            default: return CAP_STATUS_END;
+        }
+    };
+
+    auto idx = getCapIndex();
+
+    if (idx == CAP_STATUS_END) {
+        if (status)
+            glEnable(cap);
+        else
+            glDisable(cap);
 
-    if (currentStatus == status)
         return;
+    }
 
-    m_capStatus[cap] = status;
+    if (m_capStatus[idx] == status)
+        return;
 
-    // Enable or disable the capability based on status
-    auto func = status ? [](int c) { glEnable(c); } : [](int c) { glDisable(c); };
-    func(cap);
+    if (status) {
+        m_capStatus[idx] = status;
+        glEnable(cap);
+    } else {
+        m_capStatus[idx] = status;
+        glDisable(cap);
+    }
 }
 
 uint32_t CHyprOpenGLImpl::getPreferredReadFormat(PHLMONITOR pMonitor) {