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#include "androidoglcontext.hpp"
#include "android_gl_utils.hpp"
#include "base/assert.hpp"
#include "base/logging.hpp"
#include "base/src_point.hpp"
namespace android
{
static EGLint * getContextAttributesList(bool supportedES3)
{
static EGLint contextAttrList[] = {
EGL_CONTEXT_CLIENT_VERSION, 2,
EGL_NONE
};
static EGLint contextAttrListES3[] = {
EGL_CONTEXT_CLIENT_VERSION, 3,
EGL_NONE
};
return supportedES3 ? contextAttrListES3 : contextAttrList;
}
AndroidOGLContext::AndroidOGLContext(bool supportedES3, EGLDisplay display, EGLSurface surface,
EGLConfig config, AndroidOGLContext * contextToShareWith)
: m_nativeContext(EGL_NO_CONTEXT)
, m_surface(surface)
, m_display(display)
{
ASSERT(m_surface != EGL_NO_SURFACE, ());
ASSERT(m_display != EGL_NO_DISPLAY, ());
EGLContext sharedContext = (contextToShareWith == NULL) ? EGL_NO_CONTEXT : contextToShareWith->m_nativeContext;
m_nativeContext = eglCreateContext(m_display, config, sharedContext, getContextAttributesList(supportedES3));
CHECK(m_nativeContext != EGL_NO_CONTEXT, ());
}
AndroidOGLContext::~AndroidOGLContext()
{
// Native context must exist
if (eglDestroyContext(m_display, m_nativeContext) == EGL_FALSE)
CHECK_EGL_CALL();
}
void AndroidOGLContext::setDefaultFramebuffer()
{
glBindFramebuffer(GL_FRAMEBUFFER, 0);
}
void AndroidOGLContext::makeCurrent()
{
ASSERT(m_surface != EGL_NO_SURFACE, ());
if (eglMakeCurrent(m_display, m_surface, m_surface, m_nativeContext) == EGL_FALSE)
CHECK_EGL_CALL();
}
void AndroidOGLContext::doneCurrent()
{
clearCurrent();
}
void AndroidOGLContext::clearCurrent()
{
if (eglMakeCurrent(m_display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT) == EGL_FALSE)
CHECK_EGL_CALL();
}
void AndroidOGLContext::setRenderingEnabled(bool enabled)
{
if (enabled)
makeCurrent();
else
clearCurrent();
}
void AndroidOGLContext::present()
{
ASSERT(m_surface != EGL_NO_SURFACE, ());
if (eglSwapBuffers(m_display, m_surface) == EGL_FALSE)
CHECK_EGL_CALL();
}
void AndroidOGLContext::setSurface(EGLSurface surface)
{
m_surface = surface;
ASSERT(m_surface != EGL_NO_SURFACE, ());
}
void AndroidOGLContext::resetSurface()
{
m_surface = EGL_NO_SURFACE;
}
} // namespace android
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