void PerfQueryGLESNV::FlushOne()
{
auto& entry = m_query_buffer[m_query_read_pos];
GLuint result = 0;
glGetOcclusionQueryuivNV(entry.query_id, GL_OCCLUSION_TEST_RESULT_HP, &result);
// NOTE: Reported pixel metrics should be referenced to native resolution
m_results[entry.query_type] += (u64)result * EFB_WIDTH / g_renderer->GetTargetWidth() * EFB_HEIGHT / g_renderer->GetTargetHeight();
m_query_read_pos = (m_query_read_pos + 1) % m_query_buffer.size();
--m_query_count;
}
//------------------------------------------------------------------
bool GLHardwareOcclusionQuery::isStillOutstanding(void)
{
GLuint available = GL_FALSE;
if(GLEW_VERSION_1_5 || GLEW_ARB_occlusion_query)
{
glGetQueryObjectuivARB(mQueryID, GL_QUERY_RESULT_AVAILABLE_ARB, &available);
}
else if (GLEW_NV_occlusion_query)
{
glGetOcclusionQueryuivNV(mQueryID, GL_PIXEL_COUNT_AVAILABLE_NV, &available);
}
// GL_TRUE means a wait would occur
return !(available == GL_TRUE);
}
//------------------------------------------------------------------
bool GLHardwareOcclusionQuery::pullOcclusionQuery( unsigned int* NumOfFragments )
{
if(GLEW_VERSION_1_5 || GLEW_ARB_occlusion_query)
{
glGetQueryObjectuivARB(mQueryID, GL_QUERY_RESULT_ARB, (GLuint*)NumOfFragments);
mPixelCount = *NumOfFragments;
return true;
}
else if (GLEW_NV_occlusion_query)
{
glGetOcclusionQueryuivNV(mQueryID, GL_PIXEL_COUNT_NV, (GLuint*)NumOfFragments);
mPixelCount = *NumOfFragments;
return true;
}
return false;
}
void PerfQueryGLESNV::WeakFlush()
{
while (!IsFlushed())
{
auto& entry = m_query_buffer[m_query_read_pos];
GLuint result = GL_FALSE;
glGetOcclusionQueryuivNV(entry.query_id, GL_PIXEL_COUNT_AVAILABLE_NV, &result);
if (GL_TRUE == result)
{
FlushOne();
}
else
{
break;
}
}
}
JNIEXPORT void JNICALL Java_org_lwjgl_opengl_NVOcclusionQuery_nglGetOcclusionQueryuivNV(JNIEnv *env, jclass clazz, jint id, jint pname, jobject params, jint params_position, jlong function_pointer) {
GLuint *params_address = ((GLuint *)(*env)->GetDirectBufferAddress(env, params)) + params_position;
glGetOcclusionQueryuivNVPROC glGetOcclusionQueryuivNV = (glGetOcclusionQueryuivNVPROC)((intptr_t)function_pointer);
glGetOcclusionQueryuivNV(id, pname, params_address);
}
