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-rw-r--r--servers/xr/xr_interface.cpp88
-rw-r--r--servers/xr/xr_interface.h7
-rw-r--r--servers/xr/xr_interface_extension.cpp10
-rw-r--r--servers/xr/xr_interface_extension.h2
4 files changed, 105 insertions, 2 deletions
diff --git a/servers/xr/xr_interface.cpp b/servers/xr/xr_interface.cpp
index 7ae111b5e7..0808b1fd7b 100644
--- a/servers/xr/xr_interface.cpp
+++ b/servers/xr/xr_interface.cpp
@@ -29,7 +29,7 @@
/*************************************************************************/
#include "xr_interface.h"
-// #include "servers/rendering/renderer_compositor.h"
+#include "servers/rendering/renderer_compositor.h"
void XRInterface::_bind_methods() {
ADD_SIGNAL(MethodInfo("play_area_changed", PropertyInfo(Variant::INT, "mode")));
@@ -114,7 +114,12 @@ void XRInterface::set_primary(bool p_primary) {
XRInterface::XRInterface() {}
-XRInterface::~XRInterface() {}
+XRInterface::~XRInterface() {
+ if (vrs.vrs_texture.is_valid()) {
+ RS::get_singleton()->free(vrs.vrs_texture);
+ vrs.vrs_texture = RID();
+ }
+}
// query if this interface supports this play area mode
bool XRInterface::supports_play_area_mode(XRInterface::PlayAreaMode p_mode) {
@@ -151,6 +156,85 @@ int XRInterface::get_camera_feed_id() {
return 0;
}
+RID XRInterface::get_vrs_texture() {
+ // Default logic will return a standard VRS image based on our target size and default projections.
+ // Note that this only gets called if VRS is supported on the hardware.
+
+ Size2 texel_size = Size2(16.0, 16.0); // For now we assume we always use 16x16 texels, seems to be the standard.
+ int view_count = get_view_count();
+ Size2 target_size = get_render_target_size();
+ real_t aspect = target_size.x / target_size.y; // is this y/x ?
+ Size2 vrs_size = Size2(round(0.5 + target_size.x / texel_size.x), round(0.5 + target_size.y / texel_size.y));
+ real_t radius = vrs_size.length() * 0.5;
+ Size2 vrs_sizei = vrs_size;
+
+ if (vrs.size != vrs_sizei) {
+ const uint8_t densities[] = {
+ 0, // 1x1
+ 1, // 1x2
+ // 4, // 2x1
+ 5, // 2x2
+ 6, // 2x4
+ // 9, // 4x2
+ 10, // 4x4
+ };
+
+ // out with the old
+ if (vrs.vrs_texture.is_valid()) {
+ RS::get_singleton()->free(vrs.vrs_texture);
+ vrs.vrs_texture = RID();
+ }
+
+ // in with the new
+ Vector<Ref<Image>> images;
+ vrs.size = vrs_sizei;
+
+ for (int i = 0; i < view_count && i < 2; i++) {
+ PackedByteArray data;
+ data.resize(vrs_sizei.x * vrs_sizei.y);
+ uint8_t *data_ptr = data.ptrw();
+
+ // Our near and far don't matter much for what we're doing here, but there are some interfaces that will remember this as the near and far and may fail as a result...
+ CameraMatrix cm = get_projection_for_view(i, aspect, 0.1, 1000.0);
+ Vector3 center = cm.xform(Vector3(0.0, 0.0, 999.0));
+
+ Vector2i view_center;
+ view_center.x = int(vrs_size.x * (center.x + 1.0) * 0.5);
+ view_center.y = int(vrs_size.y * (center.y + 1.0) * 0.5);
+
+ int d = 0;
+ for (int y = 0; y < vrs_sizei.y; y++) {
+ for (int x = 0; x < vrs_sizei.x; x++) {
+ Vector2 offset = Vector2(x - view_center.x, y - view_center.y);
+ offset.y *= aspect;
+ real_t distance = offset.length();
+ int idx = round(5.0 * distance / radius);
+ if (idx > 4) {
+ idx = 4;
+ }
+ uint8_t density = densities[idx];
+
+ data_ptr[d++] = density;
+ }
+ }
+
+ Ref<Image> image;
+ image.instantiate();
+ image->create_from_data(vrs_sizei.x, vrs_sizei.y, false, Image::FORMAT_R8, data);
+
+ images.push_back(image);
+ }
+
+ if (images.size() == 1) {
+ vrs.vrs_texture = RS::get_singleton()->texture_2d_create(images[0]);
+ } else {
+ vrs.vrs_texture = RS::get_singleton()->texture_2d_layered_create(images, RS::TEXTURE_LAYERED_2D_ARRAY);
+ }
+ }
+
+ return vrs.vrs_texture;
+}
+
/** these are optional, so we want dummies **/
PackedStringArray XRInterface::get_suggested_tracker_names() const {
PackedStringArray arr;
diff --git a/servers/xr/xr_interface.h b/servers/xr/xr_interface.h
index 62eba2f00b..b4eb4694f6 100644
--- a/servers/xr/xr_interface.h
+++ b/servers/xr/xr_interface.h
@@ -120,6 +120,7 @@ public:
virtual Transform3D get_camera_transform() = 0; /* returns the position of our camera for updating our camera node. For monoscopic this is equal to the views transform, for stereoscopic this should be an average */
virtual Transform3D get_transform_for_view(uint32_t p_view, const Transform3D &p_cam_transform) = 0; /* get each views transform */
virtual CameraMatrix get_projection_for_view(uint32_t p_view, double p_aspect, double p_z_near, double p_z_far) = 0; /* get each view projection matrix */
+ virtual RID get_vrs_texture(); /* obtain VRS texture */
// note, external color/depth/vrs texture support will be added here soon.
@@ -133,6 +134,12 @@ public:
XRInterface();
~XRInterface();
+
+private:
+ struct VRSData {
+ RID vrs_texture;
+ Size2i size;
+ } vrs;
};
VARIANT_ENUM_CAST(XRInterface::Capabilities);
diff --git a/servers/xr/xr_interface_extension.cpp b/servers/xr/xr_interface_extension.cpp
index 1f3d07c357..94953c69a9 100644
--- a/servers/xr/xr_interface_extension.cpp
+++ b/servers/xr/xr_interface_extension.cpp
@@ -50,6 +50,7 @@ void XRInterfaceExtension::_bind_methods() {
GDVIRTUAL_BIND(_get_camera_transform);
GDVIRTUAL_BIND(_get_transform_for_view, "view", "cam_transform");
GDVIRTUAL_BIND(_get_projection_for_view, "view", "aspect", "z_near", "z_far");
+ GDVIRTUAL_BIND(_get_vrs_texture);
GDVIRTUAL_BIND(_process);
GDVIRTUAL_BIND(_pre_render);
@@ -273,6 +274,15 @@ CameraMatrix XRInterfaceExtension::get_projection_for_view(uint32_t p_view, doub
return CameraMatrix();
}
+RID XRInterfaceExtension::get_vrs_texture() {
+ RID vrs_texture;
+ if (GDVIRTUAL_CALL(_get_vrs_texture, vrs_texture)) {
+ return vrs_texture;
+ } else {
+ return XRInterface::get_vrs_texture();
+ }
+}
+
void XRInterfaceExtension::add_blit(RID p_render_target, Rect2 p_src_rect, Rect2i p_dst_rect, bool p_use_layer, uint32_t p_layer, bool p_apply_lens_distortion, Vector2 p_eye_center, double p_k1, double p_k2, double p_upscale, double p_aspect_ratio) {
BlitToScreen blit;
diff --git a/servers/xr/xr_interface_extension.h b/servers/xr/xr_interface_extension.h
index 5a436b9fd0..7174b412c5 100644
--- a/servers/xr/xr_interface_extension.h
+++ b/servers/xr/xr_interface_extension.h
@@ -101,12 +101,14 @@ public:
virtual Transform3D get_camera_transform() override;
virtual Transform3D get_transform_for_view(uint32_t p_view, const Transform3D &p_cam_transform) override;
virtual CameraMatrix get_projection_for_view(uint32_t p_view, double p_aspect, double p_z_near, double p_z_far) override;
+ virtual RID get_vrs_texture() override;
GDVIRTUAL0R(Size2, _get_render_target_size);
GDVIRTUAL0R(uint32_t, _get_view_count);
GDVIRTUAL0R(Transform3D, _get_camera_transform);
GDVIRTUAL2R(Transform3D, _get_transform_for_view, uint32_t, const Transform3D &);
GDVIRTUAL4R(PackedFloat64Array, _get_projection_for_view, uint32_t, double, double, double);
+ GDVIRTUAL0R(RID, _get_vrs_texture);
void add_blit(RID p_render_target, Rect2 p_src_rect, Rect2i p_dst_rect, bool p_use_layer = false, uint32_t p_layer = 0, bool p_apply_lens_distortion = false, Vector2 p_eye_center = Vector2(), double p_k1 = 0.0, double p_k2 = 0.0, double p_upscale = 1.0, double p_aspect_ratio = 1.0);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-15 04:31:54 +0000