mirror of https://github.com/auygun/kaliber.git
65 lines
1.6 KiB
C++
65 lines
1.6 KiB
C++
#include "engine/renderer/opengl/renderer_opengl.h"
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#include <android/native_window.h>
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#include "base/log.h"
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#include "engine/platform/platform.h"
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#include "third_party/android/GLContext.h"
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namespace eng {
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bool RendererOpenGL::Initialize(Platform* platform) {
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LOG(0) << "Initializing renderer.";
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window_ = platform->GetWindow();
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ndk_helper::GLContext* gl_context = ndk_helper::GLContext::GetInstance();
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if (!gl_context->IsInitialzed()) {
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gl_context->Init(window_);
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} else if (window_ != gl_context->GetANativeWindow()) {
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// Re-initialize ANativeWindow.
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// On some devices, ANativeWindow is re-created when the app is resumed
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gl_context->Invalidate();
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gl_context->Init(window_);
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ContextLost();
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} else {
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// initialize OpenGL ES and EGL
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if (EGL_SUCCESS == gl_context->Resume(window_)) {
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ContextLost();
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} else {
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return false;
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}
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}
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screen_width_ = gl_context->GetScreenWidth();
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screen_height_ = gl_context->GetScreenHeight();
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if (gl_context->GetGLVersion() >= 3)
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npot_ = true;
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return InitCommon();
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}
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void RendererOpenGL::OnDestroy() {
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ndk_helper::GLContext::GetInstance()->Invalidate();
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}
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void RendererOpenGL::Shutdown() {
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LOG(0) << "Shutting down renderer.";
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is_initialized_ = false;
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ndk_helper::GLContext::GetInstance()->Suspend();
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}
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void RendererOpenGL::Present() {
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if (EGL_SUCCESS != ndk_helper::GLContext::GetInstance()->Swap()) {
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ContextLost();
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return;
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}
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glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
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active_shader_id_ = 0;
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active_texture_id_ = 0;
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fps_++;
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}
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} // namespace eng
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