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[Improvement] (MG_Backend): Separate Initialize and InitCapabilities.

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This commit is contained in:
BZLZHH
2026-02-20 15:26:46 +08:00
parent e34f3d915c
commit 60f06d1b8d
6 changed files with 20 additions and 109 deletions
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MobileGL/MG_Backend/BackendObject.h
+1 -1
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@@ -10,7 +10,6 @@
#include <Includes.h>
namespace MobileGL {
enum class BackendType {
DirectGLES,
BackendTypeCount,
@@ -91,6 +90,7 @@ namespace MobileGL {
virtual ~BackendObject() = default;
virtual void Initialize() = 0;
virtual void InitCapabilities() = 0;
virtual void InitWindowSurface() = 0;
void SetWindowHandle(const WindowHandle& handle);
MobileGL/MG_Backend/DirectGLES/BackendObject_DirectGLES.cpp
+8 -1
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@@ -38,8 +38,15 @@ namespace MobileGL::MG_Backend::DirectGLES {
DirectGLES::SetEGLFuncsTable(m_EGLFunctions);
DirectGLES::SetGLESFuncsTable(m_GLESFunctions);
}
if (!MG_Util::BackendLoader::FillInGLESCapabilities(m_GLESCapabilities, m_GLESFunctions, m_EGLFunctions)) {
void BackendObject_DirectGLES::InitCapabilities() {
if (!m_initialized) {
MGLOG_E("DirectGLES backend not initialized");
return;
}
if (!MG_Util::BackendLoader::FillInGLESCapabilities(m_GLESCapabilities, m_GLESFunctions)) {
MGLOG_E("Failed to fill in GLES capabilities for DirectGLES backend");
return;
}
MobileGL/MG_Backend/DirectGLES/BackendObject_DirectGLES.h
+2
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@@ -15,7 +15,9 @@ namespace MobileGL::MG_Backend::DirectGLES {
class BackendObject_DirectGLES : public BackendObject {
public:
~BackendObject_DirectGLES() override;
void Initialize() override;
void InitCapabilities() override;
void InitWindowSurface() override;
const RendererInfo& GetRendererInfo() const override;
MobileGL/MG_Impl/EGLImpl/EGLImpl.cpp
+7
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@@ -59,6 +59,13 @@ namespace MobileGL::MG_Impl::EGLImpl {
}
EGLBoolean MakeCurrent(EGLDisplay dpy, EGLSurface draw, EGLSurface read, EGLContext ctx) {
MGLOG_D("EGLImpl::CreateWindowSurface called with window=%p", window);
const auto& activeBackendObject = MG_Backend::pActiveBackendObject;
if (!activeBackendObject) {
MGLOG_E("activeBackendObject not initialized!");
return EGL_FALSE;
}
activeBackendObject->InitCapabilities();
return EGL_TRUE;
}
MobileGL/MG_Util/BackendLoaders/OpenGL/Loader.cpp
+1 -105
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@@ -496,114 +496,11 @@ namespace MobileGL::MG_Util::BackendLoader {
return true;
}
static EGLDisplay eglDisplay = EGL_NO_DISPLAY;
static EGLSurface eglSurface = EGL_NO_SURFACE;
static EGLContext eglContext = EGL_NO_CONTEXT;
inline void DestroyTempEGLCtx(const MG_External::EGLFunctionsTable& eglFuncs) {
if (eglSurface != EGL_NO_SURFACE) {
eglFuncs.eglDestroySurface(eglDisplay, eglSurface);
eglSurface = EGL_NO_SURFACE;
}
if (eglContext != EGL_NO_CONTEXT) {
eglFuncs.eglDestroyContext(eglDisplay, eglContext);
eglContext = EGL_NO_CONTEXT;
}
if (eglDisplay != EGL_NO_DISPLAY) {
eglFuncs.eglTerminate(eglDisplay);
eglDisplay = EGL_NO_DISPLAY;
}
}
inline Bool InitTmpEGLContext(const MG_External::EGLFunctionsTable& eglFuncs) {
EGLint configAttribs[] = {EGL_RED_SIZE,
8,
EGL_GREEN_SIZE,
8,
EGL_BLUE_SIZE,
8,
EGL_ALPHA_SIZE,
8,
EGL_SURFACE_TYPE,
EGL_PBUFFER_BIT,
EGL_RENDERABLE_TYPE,
EGL_OPENGL_ES2_BIT,
EGL_NONE};
EGLint ctxAttribs[] = {EGL_CONTEXT_CLIENT_VERSION, 2, EGL_NONE};
EGLint pbAttribs[] = {EGL_WIDTH, 32, EGL_HEIGHT, 32, EGL_NONE};
EGLConfig pbufConfig;
EGLint configsFound = 0;
eglDisplay = eglFuncs.eglGetDisplay(EGL_DEFAULT_DISPLAY);
if (eglDisplay == EGL_NO_DISPLAY) {
DestroyTempEGLCtx(eglFuncs);
return false;
}
if (eglFuncs.eglInitialize(eglDisplay, nullptr, nullptr) != EGL_TRUE) {
DestroyTempEGLCtx(eglFuncs);
return false;
}
if (eglFuncs.eglBindAPI(EGL_OPENGL_ES_API) != EGL_TRUE) {
DestroyTempEGLCtx(eglFuncs);
return false;
}
if (eglFuncs.eglChooseConfig(eglDisplay, configAttribs, &pbufConfig, 1, &configsFound) != EGL_TRUE) {
DestroyTempEGLCtx(eglFuncs);
return false;
}
if (configsFound == 0) {
configAttribs[6] = 0;
if (eglFuncs.eglChooseConfig(eglDisplay, configAttribs, &pbufConfig, 1, &configsFound) != EGL_TRUE) {
DestroyTempEGLCtx(eglFuncs);
return false;
}
if (!configsFound) {
DestroyTempEGLCtx(eglFuncs);
return false;
}
}
eglContext = eglFuncs.eglCreateContext(eglDisplay, pbufConfig, EGL_NO_CONTEXT, ctxAttribs);
if (eglContext == EGL_NO_CONTEXT) {
DestroyTempEGLCtx(eglFuncs);
return false;
}
eglSurface = eglFuncs.eglCreatePbufferSurface(eglDisplay, pbufConfig, pbAttribs);
if (eglSurface == EGL_NO_SURFACE) {
DestroyTempEGLCtx(eglFuncs);
return false;
}
if (eglFuncs.eglMakeCurrent(eglDisplay, eglSurface, eglSurface, eglContext) != EGL_TRUE) {
DestroyTempEGLCtx(eglFuncs);
return false;
}
return true;
}
Bool FillInGLESCapabilities(MG_External::GLESCapabilities& caps, const MG_External::GLESFunctionsTable& glesFuncs,
const MG_External::EGLFunctionsTable& eglFuncs) {
Bool FillInGLESCapabilities(MG_External::GLESCapabilities& caps, const MG_External::GLESFunctionsTable& glesFuncs) {
if (!glesFuncs.glGetString || !glesFuncs.glGetIntegerv) {
MGLOG_E("Required GLES functions are not loaded, cannot query capabilities");
return false;
}
if (!eglFuncs.eglGetDisplay || !eglFuncs.eglInitialize || !eglFuncs.eglChooseConfig ||
!eglFuncs.eglCreateContext || !eglFuncs.eglCreatePbufferSurface || !eglFuncs.eglMakeCurrent) {
MGLOG_E("Required EGL functions are not loaded, cannot create temporary EGL context");
return false;
}
Bool eglCtxCreated = InitTmpEGLContext(eglFuncs);
if (!eglCtxCreated) {
MGLOG_E("Failed to create temporary EGL context, cannot query GLES capabilities");
return false;
}
auto* vendorName = glesFuncs.glGetString(GL_VENDOR);
MGLOG_I("GL_VENDOR: %s", vendorName);
@@ -637,7 +534,6 @@ namespace MobileGL::MG_Util::BackendLoader {
glesFuncs.glGetIntegerv(GL_UNIFORM_BUFFER_OFFSET_ALIGNMENT, &caps.UniformBufferOffsetAlignment);
MGLOG_I(" GL_UNIFORM_BUFFER_OFFSET_ALIGNMENT: %d", caps.UniformBufferOffsetAlignment);
DestroyTempEGLCtx(eglFuncs);
return true;
}
} // namespace MobileGL::MG_Util::BackendLoader
MobileGL/MG_Util/BackendLoaders/OpenGL/Loader.h
+1 -2
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@@ -1020,8 +1020,7 @@ namespace MobileGL {
MG_External::EGL::eglGetProcAddress_PTR procAddress);
Bool AcquireEGLFunctions(MG_External::EGLFunctionsTable& funcs);
Bool FillInGLESCapabilities(MG_External::GLESCapabilities& caps,
const MG_External::GLESFunctionsTable& glesFuncs,
const MG_External::EGLFunctionsTable& eglFuncs);
const MG_External::GLESFunctionsTable& glesFuncs);
} // namespace MG_Util::BackendLoader
} // namespace MobileGL
#undef MOBILEGL_EXTERNAL_GLES