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Switch WebXRInterface from using external textures to using the render targets from Godot

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This commit is contained in:
David Snopek 2021-12-10 11:08:58 -06:00
parent 4cae48d81c
commit f2fe60b989
4 changed files with 9 additions and 74 deletions
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3
modules/webxr/godot_webxr.h
View File

@ -65,8 +65,7 @@ extern int godot_webxr_get_view_count();
extern int *godot_webxr_get_render_targetsize();
extern float *godot_webxr_get_transform_for_eye(int p_eye);
extern float *godot_webxr_get_projection_for_eye(int p_eye);
extern int godot_webxr_get_external_texture_for_eye(int p_eye);
extern void godot_webxr_commit_for_eye(int p_eye);
extern void godot_webxr_commit_for_eye(int p_eye, unsigned int p_texture_id);
extern void godot_webxr_sample_controller_data();
extern int godot_webxr_get_controller_count();

66
modules/webxr/native/library_godot_webxr.js
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@ -33,9 +33,6 @@ const GodotWebXR = {
$GodotWebXR: {
gl: null,
texture_ids: [null, null],
textures: [null, null],
session: null,
space: null,
frame: null,
@ -371,22 +368,6 @@ const GodotWebXR = {
.catch((e) => { });
}
// Clean-up the textures we allocated for each view.
const gl = GodotWebXR.gl;
for (let i = 0; i < GodotWebXR.textures.length; i++) {
const texture = GodotWebXR.textures[i];
if (texture !== null) {
gl.deleteTexture(texture);
}
GodotWebXR.textures[i] = null;
const texture_id = GodotWebXR.texture_ids[i];
if (texture_id !== null) {
GL.textures[texture_id] = null;
}
GodotWebXR.texture_ids[i] = null;
}
GodotWebXR.session = null;
GodotWebXR.space = null;
GodotWebXR.frame = null;
@ -461,50 +442,9 @@ const GodotWebXR = {
return buf;
},
godot_webxr_get_external_texture_for_eye__proxy: 'sync',
godot_webxr_get_external_texture_for_eye__sig: 'ii',
godot_webxr_get_external_texture_for_eye: function (p_eye) {
if (!GodotWebXR.session) {
return 0;
}
const view_index = (p_eye === 2 /* ARVRInterface::EYE_RIGHT */) ? 1 : 0;
if (GodotWebXR.texture_ids[view_index]) {
return GodotWebXR.texture_ids[view_index];
}
// Check pose separately and after returning the cached texture id,
// because we won't get a pose in some cases if we lose tracking, and
// we don't want to return 0 just because tracking was lost.
if (!GodotWebXR.pose) {
return 0;
}
const glLayer = GodotWebXR.session.renderState.baseLayer;
const view = GodotWebXR.pose.views[view_index];
const viewport = glLayer.getViewport(view);
const gl = GodotWebXR.gl;
const texture = gl.createTexture();
gl.bindTexture(gl.TEXTURE_2D, texture);
gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, viewport.width, viewport.height, 0, gl.RGBA, gl.UNSIGNED_BYTE, null);
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE);
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE);
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST);
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST);
gl.bindTexture(gl.TEXTURE_2D, null);
const texture_id = GL.getNewId(GL.textures);
GL.textures[texture_id] = texture;
GodotWebXR.textures[view_index] = texture;
GodotWebXR.texture_ids[view_index] = texture_id;
return texture_id;
},
godot_webxr_commit_for_eye__proxy: 'sync',
godot_webxr_commit_for_eye__sig: 'vi',
godot_webxr_commit_for_eye: function (p_eye) {
godot_webxr_commit_for_eye__sig: 'vii',
godot_webxr_commit_for_eye: function (p_eye, p_texture_id) {
if (!GodotWebXR.session || !GodotWebXR.pose) {
return;
}
@ -522,7 +462,7 @@ const GodotWebXR = {
gl.bindFramebuffer(gl.FRAMEBUFFER, glLayer.framebuffer);
gl.viewport(viewport.x, viewport.y, viewport.width, viewport.height);
GodotWebXR.blitTexture(gl, GodotWebXR.textures[view_index]);
GodotWebXR.blitTexture(gl, GL.textures[p_texture_id]);
// Restore state.
gl.bindFramebuffer(gl.FRAMEBUFFER, orig_framebuffer);

13
modules/webxr/webxr_interface_js.cpp
View File

@ -349,18 +349,15 @@ CameraMatrix WebXRInterfaceJS::get_projection_for_eye(ARVRInterface::Eyes p_eye,
return eye;
}
unsigned int WebXRInterfaceJS::get_external_texture_for_eye(ARVRInterface::Eyes p_eye) {
if (!initialized) {
return 0;
}
return godot_webxr_get_external_texture_for_eye(p_eye);
}
void WebXRInterfaceJS::commit_for_eye(ARVRInterface::Eyes p_eye, RID p_render_target, const Rect2 &p_screen_rect) {
if (!initialized) {
return;
}
godot_webxr_commit_for_eye(p_eye);
RID texture = VSG::storage->render_target_get_texture(p_render_target);
uint32_t texture_id = VSG::storage->texture_get_texid(texture);
godot_webxr_commit_for_eye(p_eye, texture_id);
};
void WebXRInterfaceJS::process() {

1
modules/webxr/webxr_interface_js.h
View File

@ -86,7 +86,6 @@ public:
virtual bool is_stereo();
virtual Transform get_transform_for_eye(ARVRInterface::Eyes p_eye, const Transform &p_cam_transform);
virtual CameraMatrix get_projection_for_eye(ARVRInterface::Eyes p_eye, real_t p_aspect, real_t p_z_near, real_t p_z_far);
virtual unsigned int get_external_texture_for_eye(ARVRInterface::Eyes p_eye);
virtual void commit_for_eye(ARVRInterface::Eyes p_eye, RID p_render_target, const Rect2 &p_screen_rect);
virtual void process();