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authorFlorian Jung <flo@windfisch.org>2015-03-18 17:56:51 +0100
committerFlorian Jung <flo@windfisch.org>2015-03-18 17:56:51 +0100
commit32db7db8d99425c1b7391e56eb1fa362c9c80269 (patch)
treea2074c8c86579a9bc15a433fabd732268331171f /client2.cpp
parent82a571c8498192512299c541a702b1229da21703 (diff)
show fps, reduce lag, enable vsync
Diffstat (limited to 'client2.cpp')
-rw-r--r--client2.cpp86
1 files changed, 57 insertions, 29 deletions
diff --git a/client2.cpp b/client2.cpp
index e38df52..db1c755 100644
--- a/client2.cpp
+++ b/client2.cpp
@@ -308,6 +308,8 @@ GLFWwindow* initOpenGL()
glewExperimental = GL_TRUE;
glewInit();
+
+ glfwSwapInterval(1); // enable vsync
return window;
}
@@ -406,6 +408,23 @@ int init_ohmd(ohmd_context** ctx_, ohmd_device** hmd_)
return 0;
}
+void showFPS()
+{
+ static double lastTime = 0;
+ static int nbFrames = 0;
+ static float fps=1337;
+
+ // Measure speed
+ double currentTime = glfwGetTime();
+ nbFrames++;
+ if ( currentTime - lastTime >= 1.0 ){ // If last cout was more than 1 sec ago
+ fps = double(nbFrames);
+ nbFrames = 0;
+ lastTime += 1.0;
+ printf("FPS: %f\n",fps);
+ }
+}
+
float deadzone(float val, float dead)
{
@@ -425,6 +444,7 @@ float deadzone(float val, float dead)
int main(int argc, const char** argv)
{
+ bool no_oculus = (argc>=2 && (strcmp(argv[1],"--no-oculus")==0));
GLFWwindow* window = initOpenGL();
@@ -500,7 +520,12 @@ int main(int argc, const char** argv)
ohmd_context* my_ohmd_context;
ohmd_device* my_ohmd_device;
- if (init_ohmd(&my_ohmd_context, &my_ohmd_device)) return 1;
+ if (no_oculus || init_ohmd(&my_ohmd_context, &my_ohmd_device))
+ {
+ printf("no oculus rift!\n");
+ my_ohmd_device=0;
+ my_ohmd_context=0;
+ }
@@ -624,10 +649,6 @@ int main(int argc, const char** argv)
yaw_diff = deadzone(yaw_diff, 1.0);
pitch_diff = deadzone(pitch_diff, 1.0);
roll_diff = deadzone(roll_diff, 1.0);
-
- //if (fabs(xdiff) < px_per_deg) xdiff = 0.0;
- //if (fabs(ydiff) < px_per_deg) ydiff = 0.0;
- //if (fabs(adiff) < 2) adiff = 0.0;
yaw_diff*=0.1;
pitch_diff*=0.1;
@@ -651,26 +672,6 @@ int main(int argc, const char** argv)
- ohmd_ctx_update(my_ohmd_context);
-
- float quat[4],quat_[4];
- ohmd_device_getf(my_ohmd_device, OHMD_ROTATION_QUAT, quat_);
- quat[0]=quat_[0];
- quat[1]=quat_[1];
- quat[2]=quat_[3];
- quat[3]=quat_[2];
-
- float oculus_yaw = atan2( 2.0* (quat[1]*quat[2]+quat[0]*quat[3]), (quat[0]*quat[0]+quat[1]*quat[1]-quat[2]*quat[2]-quat[3]*quat[3]) );
- float oculus_pitch = asin(2.0*(quat[0]*quat[2]-quat[1]*quat[3]));
- float oculus_roll = -atan2(2.0*(quat[2]*quat[3]+quat[0]*quat[1]), -(quat[0]*quat[0]-quat[1]*quat[1]-quat[2]*quat[2]+quat[3]*quat[3]));
-
- printf("oculus yaw, pitch, roll = \t%f\t%f\t%f\n", oculus_yaw*180/PI, oculus_pitch*180/PI, oculus_roll*180/PI);
-
-
-
-
-
-
@@ -692,15 +693,41 @@ int main(int argc, const char** argv)
glDrawArrays(GL_TRIANGLES, 0, 6);
+
+ float oculus_yaw;
+ float oculus_pitch;
+ float oculus_roll;
+ if (my_ohmd_context)
+ {
+ ohmd_ctx_update(my_ohmd_context);
+
+ float quat[4],quat_[4];
+ ohmd_device_getf(my_ohmd_device, OHMD_ROTATION_QUAT, quat_);
+ quat[0]=quat_[0];
+ quat[1]=quat_[1];
+ quat[2]=quat_[3];
+ quat[3]=quat_[2];
+
+ oculus_yaw = atan2( 2.0* (quat[1]*quat[2]+quat[0]*quat[3]), (quat[0]*quat[0]+quat[1]*quat[1]-quat[2]*quat[2]-quat[3]*quat[3]) );
+ oculus_pitch = asin(2.0*(quat[0]*quat[2]-quat[1]*quat[3]));
+ oculus_roll = -atan2(2.0*(quat[2]*quat[3]+quat[0]*quat[1]), -(quat[0]*quat[0]-quat[1]*quat[1]-quat[2]*quat[2]+quat[3]*quat[3]));
+
+ //printf("oculus yaw, pitch, roll = \t%f\t%f\t%f\n", oculus_yaw*180/PI, oculus_pitch*180/PI, oculus_roll*180/PI);
+ }
+ else
+ {
+ oculus_yaw = PI + ringbuf_yaw_sensor_slow.get()/180.*PI;
+ oculus_pitch = ringbuf_pitch_sensor_slow.get()/180.*PI;
+ oculus_roll = 0.1;
+ }
+
+
glBindFramebuffer(GL_FRAMEBUFFER, eyeFB);
glViewport(0,0,EYE_WIDTH,EYE_HEIGHT);
glBindVertexArray(vaoEye);
glUseProgram(drawFromCanvasProgram);
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, canvasTex);
- /*glUniform1f(uniEyeYaw,3.1415+ringbuf_yaw_sensor_slow.get()/180.*PI);
- glUniform1f(uniEyePitch,-ringbuf_pitch_sensor_slow.get()/180.*PI);
- glUniform1f(uniEyeRoll,0);*/
glUniform1f(uniEyeYaw,oculus_yaw);
glUniform1f(uniEyePitch,-oculus_pitch);
glUniform1f(uniEyeRoll,-oculus_roll);
@@ -727,8 +754,9 @@ int main(int argc, const char** argv)
if (glfwGetKey(window, GLFW_KEY_ESCAPE) == GLFW_PRESS)
glfwSetWindowShouldClose(window, GL_TRUE);
- imshow("dingens",frame_);
+ showFPS();
+ //imshow("dingens",frame_);