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[Feat|Fix] (MG_State/EGLState|MG_Backend|MG_Impl/EGLImpl): Initial implemention of EGL API.

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This commit is contained in:
BZLZHH
2026-02-22 18:22:21 +08:00
parent bd8bc1e251
commit d22d2d64f2
13 changed files with 2125 additions and 108 deletions
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MobileGL/MG_Backend/DirectGLES/BackendObject_DirectGLES.cpp
+59 -4
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@@ -13,16 +13,24 @@
#include <format>
namespace MobileGL::MG_Backend::DirectGLES {
namespace {
Bool IsReleaseCurrentRequest(EGLDisplay dpy, EGLSurface draw, EGLSurface read, EGLContext ctx) {
return dpy == EGL_NO_DISPLAY && draw == EGL_NO_SURFACE && read == EGL_NO_SURFACE && ctx == EGL_NO_CONTEXT;
}
} // namespace
BackendObject_DirectGLES::~BackendObject_DirectGLES() {
DestroyEGLContext();
}
void BackendObject_DirectGLES::InitWindowSurface() {
Bool BackendObject_DirectGLES::InitWindowSurface() {
// Only use EGL for now
auto nativeWindow = reinterpret_cast<NativeWindowType>(m_windowHandle.Handle);
if (!DirectGLES::InitWindowSurface(nativeWindow)) {
MGLOG_E("Failed to initialize window surface for DirectGLES backend");
return false;
}
return true;
}
void BackendObject_DirectGLES::Initialize() {
@@ -40,18 +48,65 @@ namespace MobileGL::MG_Backend::DirectGLES {
DirectGLES::SetGLESFuncsTable(m_GLESFunctions);
}
void BackendObject_DirectGLES::InitCapabilities() {
Bool BackendObject_DirectGLES::InitCapabilities() {
if (!m_initialized) {
MGLOG_E("DirectGLES backend not initialized");
return;
return false;
}
if (!MG_Util::BackendLoader::FillInGLESCapabilities(m_GLESCapabilities, m_GLESFunctions)) {
MGLOG_E("Failed to fill in GLES capabilities for DirectGLES backend");
return;
return false;
}
DirectGLES::SetGLESCapabilities(m_GLESCapabilities);
UpdateDynamicBackendParameters();
return true;
}
Bool BackendObject_DirectGLES::InitializeEGLDisplay(EGLDisplay dpy, EGLint* major, EGLint* minor) {
if (!m_initialized) {
MGLOG_E("DirectGLES backend not initialized");
return false;
}
return BackendObject::InitializeEGLDisplay(dpy, major, minor);
}
Bool BackendObject_DirectGLES::CreateEGLWindowSurface(const WindowHandle& handle) {
const std::lock_guard<std::recursive_mutex> lock(m_eglStateMutex);
if (!m_initialized) {
MGLOG_E("DirectGLES backend not initialized");
return false;
}
if (handle.Backend != WindowBackend::Android || !handle.Handle) {
MGLOG_E("DirectGLES backend only supports Android native windows");
return false;
}
const Bool sameHandle =
m_eglWindowSurfaceInitialized && m_windowHandle.Backend == handle.Backend && m_windowHandle.Handle == handle.Handle;
if (sameHandle) {
return true;
}
if (m_eglWindowSurfaceInitialized) {
DestroyEGLContext();
ResetEGLRuntimeState();
}
return BackendObject::CreateEGLWindowSurface(handle);
}
Bool BackendObject_DirectGLES::MakeEGLCurrent(EGLDisplay dpy, EGLSurface draw, EGLSurface read, EGLContext ctx) {
if (IsReleaseCurrentRequest(dpy, draw, read, ctx)) {
return BackendObject::MakeEGLCurrent(dpy, draw, read, ctx);
}
return BackendObject::MakeEGLCurrent(dpy, draw, read, ctx);
}
Bool BackendObject_DirectGLES::SwapEGLBuffers(EGLDisplay dpy, EGLSurface draw) {
return BackendObject::SwapEGLBuffers(dpy, draw);
}
const RendererInfo& BackendObject_DirectGLES::GetRendererInfo() const {