CrispyPin/sinpin-vr
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cleanup

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Crispy 2023-04-02 16:39:06 +02:00
parent e7df6a2776
commit ef25392907
1 changed files with 21 additions and 21 deletions
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42
src/main.cpp
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@ -1,7 +1,6 @@
#include <signal.h> #include <signal.h>
#include <assert.h> #include <assert.h>
#include <X11/extensions/Xcomposite.h>
#include <X11/Xutil.h> #include <X11/Xutil.h>
#include <GLFW/glfw3.h> #include <GLFW/glfw3.h>
@ -19,9 +18,10 @@ Window root_window;
vr::IVRSystem *ovr_sys; vr::IVRSystem *ovr_sys;
vr::IVROverlay *ovr_overlay; vr::IVROverlay *ovr_overlay;
vr::VROverlayHandle_t handle; vr::VROverlayHandle_t main_overlay;
vr::Texture_t vr_texture;
GLuint overlaytexture; GLuint screen_texture;
GLFWwindow *gl_window; GLFWwindow *gl_window;
void cleanup(int _sig = 0); void cleanup(int _sig = 0);
@ -58,32 +58,32 @@ int main(int argc, char **argv)
} }
{ {
auto overlay_err = ovr_overlay->CreateOverlay("deskpot", "Desktop view", &handle); auto overlay_err = ovr_overlay->CreateOverlay("deskpot", "Desktop view", &main_overlay);
assert(overlay_err == 0); assert(overlay_err == 0);
ovr_overlay->ShowOverlay(handle); ovr_overlay->ShowOverlay(main_overlay);
ovr_overlay->SetOverlayWidthInMeters(handle, 2.5f); ovr_overlay->SetOverlayWidthInMeters(main_overlay, 2.5f);
uint8_t col[4] = {20, 50, 50, 255}; uint8_t col[4] = {20, 50, 50, 255};
ovr_overlay->SetOverlayRaw(handle, &col, 1, 1, 4); ovr_overlay->SetOverlayRaw(main_overlay, &col, 1, 1, 4);
printf("Created overlay instance\n"); printf("Created overlay instance\n");
} }
{ {
vr::HmdMatrix34_t transform; vr::HmdMatrix34_t transform;
auto err = ovr_overlay->GetOverlayTransformAbsolute(handle, &TRACKING_UNIVERSE, &transform); auto err = ovr_overlay->GetOverlayTransformAbsolute(main_overlay, &TRACKING_UNIVERSE, &transform);
assert(err == 0); assert(err == 0);
transform.m[1][1] = -1; transform.m[1][1] = -1;
err = ovr_overlay->SetOverlayTransformAbsolute(handle, TRACKING_UNIVERSE, &transform); err = ovr_overlay->SetOverlayTransformAbsolute(main_overlay, TRACKING_UNIVERSE, &transform);
assert(err == 0); assert(err == 0);
} }
{ {
glGenTextures(1, &overlaytexture); glGenTextures(1, &screen_texture);
glBindTexture(GL_TEXTURE_2D, overlaytexture); glBindTexture(GL_TEXTURE_2D, screen_texture);
}
vr::Texture_t vr_texture; vr_texture.eColorSpace = vr::EColorSpace::ColorSpace_Auto;
vr_texture.eColorSpace = vr::EColorSpace::ColorSpace_Auto; vr_texture.eType = vr::ETextureType::TextureType_OpenGL;
vr_texture.eType = vr::ETextureType::TextureType_OpenGL; vr_texture.handle = (void *)(uintptr_t)screen_texture;
}
while (1) while (1)
{ {
@ -92,15 +92,15 @@ int main(int argc, char **argv)
XDestroyImage(frame); XDestroyImage(frame);
{ {
vr_texture.handle = (void *)(uintptr_t)overlaytexture; auto set_err = ovr_overlay->SetOverlayTexture(main_overlay, &vr_texture);
auto set_err = ovr_overlay->SetOverlayTexture(handle, &vr_texture);
if (set_err) if (set_err)
{ {
printf("error setting texture: %d\n", set_err); printf("error setting texture: %d\n", set_err);
assert(set_err == 0); assert(set_err == 0);
} }
} }
{
{ // update cursor position
int pix_x, pix_y; int pix_x, pix_y;
{ {
Window _t1; Window _t1;
@ -108,16 +108,16 @@ int main(int argc, char **argv)
unsigned int _t3; unsigned int _t3;
XQueryPointer(xdisplay, root_window, &_t1, &_t1, &pix_x, &pix_y, &_t2, &_t2, &_t3); XQueryPointer(xdisplay, root_window, &_t1, &_t1, &pix_x, &pix_y, &_t2, &_t2, &_t3);
} }
// TODO: make this work when aspect ratio is >1 (root window is taller than it is wide)
float ratio = (float)height / (float)width; float ratio = (float)height / (float)width;
float top_edge = 0.5f - ratio / 2.0f; float top_edge = 0.5f - ratio / 2.0f;
float x = pix_x / (float)width; float x = pix_x / (float)width;
float y = pix_y / (float)width + top_edge; float y = pix_y / (float)width + top_edge;
auto pos = vr::HmdVector2_t{x, y}; auto pos = vr::HmdVector2_t{x, y};
ovr_overlay->SetOverlayCursorPositionOverride(handle, &pos); ovr_overlay->SetOverlayCursorPositionOverride(main_overlay, &pos);
} }
glfwSwapBuffers(gl_window); glfwSwapBuffers(gl_window);
usleep(1000000 / FRAMERATE); usleep(1000000 / FRAMERATE);
} }
cleanup(); cleanup();
@ -132,4 +132,4 @@ void cleanup(int _sig)
glfwTerminate(); glfwTerminate();
printf("Shutting down\n"); printf("Shutting down\n");
exit(0); exit(0);
} }