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#include "androidoglcontextfactory.hpp"
#include "android_gl_utils.hpp"
#include "../../../../../base/assert.hpp"
#include "../../../../../base/logging.hpp"
#include "../../../../../std/algorithm.hpp"
#include <EGL/egl.h>
#include <android/native_window_jni.h>
namespace android
{
static EGLint * getConfigAttributesList()
{
static EGLint attr_list[] = {
EGL_RED_SIZE, 5,
EGL_GREEN_SIZE, 6,
EGL_BLUE_SIZE, 5,
EGL_STENCIL_SIZE, 0,
EGL_DEPTH_SIZE, 16,
EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
EGL_SURFACE_TYPE, EGL_PBUFFER_BIT | EGL_WINDOW_BIT,
EGL_NONE
};
return attr_list;
}
AndroidOGLContextFactory::AndroidOGLContextFactory(JNIEnv * env, jobject jsurface)
: m_drawContext(NULL)
, m_uploadContext(NULL)
, m_windowSurface(EGL_NO_SURFACE)
, m_pixelbufferSurface(EGL_NO_SURFACE)
, m_config(NULL)
, m_nativeWindow(NULL)
, m_display(EGL_NO_DISPLAY)
, m_surfaceWidth(0)
, m_surfaceHeight(0)
, m_valid(false)
{
LOG(LINFO, ("UVR : Start create factory"));
if (!jsurface)
{
LOG(LINFO, ("Java surface incorrect"));
return;
}
m_nativeWindow = ANativeWindow_fromSurface(env, jsurface);
if (!m_nativeWindow)
{
LOG(LINFO, ("Can't get native window from Java surface"));
return;
}
m_display = eglGetDisplay(EGL_DEFAULT_DISPLAY);
if (m_display == EGL_NO_DISPLAY)
{
LOG(LINFO, ("Can't query default egl display. Error code = ", eglGetError()));
return;
}
EGLint version[2] = {0};
if (!eglInitialize(m_display, &version[0], &version[1]))
{
LOG(LINFO, ("EGL initialize failed. Error code = ", eglGetError()));
return;
}
if (!(createWindowSurface() && createPixelbufferSurface()))
{
eglTerminate(m_display);
return;
}
if (!QuerySurfaceSize())
return;
LOG(LINFO, ("UVR : Correct created factory"));
m_valid = true;
}
AndroidOGLContextFactory::~AndroidOGLContextFactory()
{
if (IsValid())
{
delete m_drawContext;
delete m_uploadContext;
eglDestroySurface(m_display, m_windowSurface);
eglDestroySurface(m_display, m_pixelbufferSurface);
eglTerminate(m_display);
ANativeWindow_release(m_nativeWindow);
}
}
bool AndroidOGLContextFactory::IsValid() const
{
return m_valid;
}
int AndroidOGLContextFactory::GetWidth() const
{
ASSERT(IsValid(), ());
return m_surfaceWidth;
}
int AndroidOGLContextFactory::GetHeight() const
{
ASSERT(IsValid(), ());
return m_surfaceHeight;
}
void AndroidOGLContextFactory::UpdateSurfaceSize()
{
ASSERT(IsValid(), ());
VERIFY(QuerySurfaceSize(), ());
}
bool AndroidOGLContextFactory::QuerySurfaceSize()
{
EGLint queryResult;
if (eglQuerySurface(m_display, m_windowSurface, EGL_WIDTH, &queryResult) == EGL_FALSE)
{
LOG(LINFO, ("Can't query surface width. Error code = ", eglGetError()));
return false;
}
m_surfaceWidth = static_cast<int>(queryResult);
if (eglQuerySurface(m_display, m_windowSurface, EGL_HEIGHT, &queryResult) == EGL_FALSE)
{
LOG(LINFO, ("Can't query surface height. Error code = ", eglGetError()));
return false;
}
m_surfaceHeight = static_cast<int>(queryResult);
return true;
}
dp::OGLContext * AndroidOGLContextFactory::getDrawContext()
{
ASSERT(IsValid(), ());
ASSERT(m_windowSurface != EGL_NO_SURFACE, ());
if (m_drawContext == NULL)
m_drawContext = new AndroidOGLContext(m_display, m_windowSurface, m_config, m_uploadContext);
return m_drawContext;
}
dp::OGLContext * AndroidOGLContextFactory::getResourcesUploadContext()
{
ASSERT(IsValid(), ());
ASSERT(m_pixelbufferSurface != EGL_NO_SURFACE, ());
if (m_uploadContext == NULL)
m_uploadContext = new AndroidOGLContext(m_display, m_pixelbufferSurface, m_config, m_drawContext);
return m_uploadContext;
}
bool AndroidOGLContextFactory::createWindowSurface()
{
EGLConfig configs[40];
int count = 0;
VERIFY(eglChooseConfig(m_display, getConfigAttributesList(), configs, 40, &count) == EGL_TRUE, ());
ASSERT(count > 0, ("Didn't find any configs."));
sort(&configs[0], &configs[count], ConfigComparator(m_display));
for (int i = 0; i < count; ++i)
{
EGLConfig currentConfig = configs[i];
EGLint surfaceAttributes[] = { EGL_RENDER_BUFFER, EGL_BACK_BUFFER, EGL_NONE };
m_windowSurface = eglCreateWindowSurface(m_display, currentConfig, m_nativeWindow, surfaceAttributes);
if (m_windowSurface == EGL_NO_SURFACE)
continue;
else
m_config = currentConfig;
EGLint configId = 0;
eglGetConfigAttrib(m_display, m_config, EGL_CONFIG_ID, &configId);
LOG(LINFO, ("Choosen config id:", configId));
break;
}
if (m_windowSurface == EGL_NO_SURFACE)
{
LOG(LINFO, ("Can't create EGLWindowSurface. Error code = ", eglGetError()));
return false;
}
return true;
}
bool AndroidOGLContextFactory::createPixelbufferSurface()
{
//ASSERT(m_config != NULL, ());
const GLuint size = 1; // yes, 1 is the correct size, we dont really draw on it
static EGLint surfaceConfig[] = {
EGL_WIDTH, size,
EGL_HEIGHT, size,
EGL_NONE
};
m_pixelbufferSurface = eglCreatePbufferSurface(m_display, m_config, surfaceConfig);
if (m_pixelbufferSurface == EGL_NO_SURFACE)
{
LOG(LINFO, ("Can't create buffer surface for UploadThread. Error code = ", eglGetError()));
return false;
}
return true;
}
} // namespace android
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