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Update GL viewport when window size changes

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This commit is contained in:
Simon Fels 2016-11-09 09:40:25 +01:00
commit 1aeedaf199
1 changed files with 14 additions and 0 deletions
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14
external/android-emugl/host/libs/libOpenglRender/FrameBuffer.cpp vendored
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@ -456,6 +456,9 @@ FrameBuffer::~FrameBuffer() {
struct FrameBufferWindow {
EGLNativeWindowType native_window = 0;
EGLSurface surface = EGL_NO_SURFACE;
bool needViewportUpdate = false;
int width;
int height;
};
FrameBufferWindow* FrameBuffer::createWindow(int x, int y, int width, int height) {
@ -469,6 +472,8 @@ FrameBufferWindow* FrameBuffer::createWindow(int x, int y, int width, int height
auto window = new FrameBufferWindow;
window->native_window = native_window;
window->width = width;
window->height = height;
window->surface = s_egl.eglCreateWindowSurface(
m_eglDisplay, m_eglConfig, window->native_window, nullptr);
@ -502,6 +507,9 @@ void FrameBuffer::updateWindow(FrameBufferWindow *window, int x, int y, int widt
return;
updateSubWindow(window->native_window, x, y, width, height);
window->width = width;
window->height = height;
window->needViewportUpdate = true;
}
void FrameBuffer::destroyWindow(FrameBufferWindow *window) {
@ -984,6 +992,12 @@ bool FrameBuffer::post(FrameBufferWindow *window, HandleType p_colorbuffer, bool
if (!bindWindow_locked(window))
goto EXIT;
if (window->needViewportUpdate) {
s_gles2.glViewport(0, 0, window->width, window->height);
window->needViewportUpdate = false;
}
s_gles2.glClearColor(0.0, 0.0, 1.0, 0.0);
s_gles2.glClear(GL_COLOR_BUFFER_BIT);
ret = (*c).second.cb->post(0.0f, 0, 0);