CrispyPin/sinpin-vr
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grab entire screen(s), lower framerate

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This commit is contained in:
Crispy 2023-04-02 14:54:44 +02:00
parent 06d9b171a0
commit 2242c2c824
1 changed files with 12 additions and 6 deletions
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18
src/main.cpp
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@ -9,8 +9,10 @@
static vr::ETrackingUniverseOrigin TRACKING_UNIVERSE = vr::ETrackingUniverseOrigin::TrackingUniverseStanding;
#define WIDTH 1024
#define HEIGHT 1024
#define FRAMERATE 30
uint16_t width;
uint16_t height;
Display *xdisplay;
Window root_window;
@ -32,12 +34,16 @@ int main(int argc, char **argv)
assert(xdisplay != nullptr);
printf("Created X11 display\n");
root_window = XRootWindow(xdisplay, 0);
XWindowAttributes attributes;
XGetWindowAttributes(xdisplay, root_window, &attributes);
width = attributes.width;
height = attributes.height;
}
{
assert(glfwInit() == true);
glfwWindowHint(GLFW_VISIBLE, false);
gl_window = glfwCreateWindow(WIDTH, HEIGHT, "Overlay", nullptr, nullptr);
gl_window = glfwCreateWindow(width, height, "Overlay", nullptr, nullptr);
assert(gl_window != nullptr);
glfwMakeContextCurrent(gl_window);
printf("Created GLFW context\n");
@ -82,8 +88,8 @@ int main(int argc, char **argv)
while (1)
{
auto frame = XGetImage(xdisplay, root_window, 0, 0, WIDTH, HEIGHT, AllPlanes, ZPixmap);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, WIDTH, HEIGHT, 0, GL_BGRA, GL_UNSIGNED_BYTE, frame->data);
auto frame = XGetImage(xdisplay, root_window, 0, 0, width, height, AllPlanes, ZPixmap);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, width, height, 0, GL_BGRA, GL_UNSIGNED_BYTE, frame->data);
XDestroyImage(frame);
{
@ -97,7 +103,7 @@ int main(int argc, char **argv)
}
glfwSwapBuffers(gl_window);
ovr_overlay->WaitFrameSync(20);
usleep(1000000 / FRAMERATE);
}
cleanup();
return 0;