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Port camera feed to the new RenderingServer API.

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This commit is contained in:
bruvzg 2021-08-12 20:27:11 +03:00
parent c89ad92c96
commit de30dfe6a5
3 changed files with 95 additions and 78 deletions
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53
doc/classes/CameraFeed.xml
View file

@ -10,7 +10,60 @@
<tutorials>
</tutorials>
<methods>
<method name="get_datatype" qualifiers="const">
<return type="int" enum="CameraFeed.FeedDataType" />
<description>
Returns feed image data type.
</description>
</method>
<method name="get_id" qualifiers="const">
<return type="int" />
<description>
Returns the unique ID for this feed.
</description>
</method>
<method name="get_name" qualifiers="const">
<return type="String" />
<description>
Returns the camera's name.
</description>
</method>
<method name="get_position" qualifiers="const">
<return type="int" enum="CameraFeed.FeedPosition" />
<description>
Returns the position of camera on the device.
</description>
</method>
</methods>
<members>
<member name="feed_is_active" type="bool" setter="set_active" getter="is_active" default="false">
If [code]true[/code], the feed is active.
</member>
<member name="feed_transform" type="Transform2D" setter="set_transform" getter="get_transform" default="Transform2D(1, 0, 0, -1, 0, 1)">
The transform applied to the camera's image.
</member>
</members>
<constants>
<constant name="FEED_NOIMAGE" value="0" enum="FeedDataType">
No image set for the feed.
</constant>
<constant name="FEED_RGB" value="1" enum="FeedDataType">
Feed supplies RGB images.
</constant>
<constant name="FEED_YCBCR" value="2" enum="FeedDataType">
Feed supplies YCbCr images that need to be converted to RGB.
</constant>
<constant name="FEED_YCBCR_SEP" value="3" enum="FeedDataType">
Feed supplies separate Y and CbCr images that need to be combined and converted to RGB.
</constant>
<constant name="FEED_UNSPECIFIED" value="0" enum="FeedPosition">
Unspecified position.
</constant>
<constant name="FEED_FRONT" value="1" enum="FeedPosition">
Camera is mounted at the front of the device.
</constant>
<constant name="FEED_BACK" value="2" enum="FeedPosition">
Camera is mounted at the back of the device.
</constant>
</constants>
</class>

116
servers/camera/camera_feed.cpp
View file

@ -33,18 +33,17 @@
#include "servers/rendering_server.h"
void CameraFeed::_bind_methods() {
// FIXME: Disabled during Vulkan refactoring, should be ported.
#if 0
// The setters prefixed with _ are only exposed so we can have feeds through GDNative!
// They should not be called by the end user.
ClassDB::bind_method(D_METHOD("get_id"), &CameraFeed::get_id);
ClassDB::bind_method(D_METHOD("get_name"), &CameraFeed::get_name);
ClassDB::bind_method(D_METHOD("_set_name", "name"), &CameraFeed::set_name);
ClassDB::bind_method(D_METHOD("is_active"), &CameraFeed::is_active);
ClassDB::bind_method(D_METHOD("set_active", "active"), &CameraFeed::set_active);
ClassDB::bind_method(D_METHOD("get_name"), &CameraFeed::get_name);
ClassDB::bind_method(D_METHOD("_set_name", "name"), &CameraFeed::set_name);
ClassDB::bind_method(D_METHOD("get_position"), &CameraFeed::get_position);
ClassDB::bind_method(D_METHOD("_set_position", "position"), &CameraFeed::set_position);
@ -54,7 +53,8 @@ void CameraFeed::_bind_methods() {
ClassDB::bind_method(D_METHOD("_set_RGB_img", "rgb_img"), &CameraFeed::set_RGB_img);
ClassDB::bind_method(D_METHOD("_set_YCbCr_img", "ycbcr_img"), &CameraFeed::set_YCbCr_img);
ClassDB::bind_method(D_METHOD("_allocate_texture", "width", "height", "format", "texture_type", "data_type"), &CameraFeed::allocate_texture);
ClassDB::bind_method(D_METHOD("get_datatype"), &CameraFeed::get_datatype);
ADD_GROUP("Feed", "feed_");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "feed_is_active"), "set_active", "is_active");
@ -68,7 +68,6 @@ void CameraFeed::_bind_methods() {
BIND_ENUM_CONSTANT(FEED_UNSPECIFIED);
BIND_ENUM_CONSTANT(FEED_FRONT);
BIND_ENUM_CONSTANT(FEED_BACK);
#endif
}
int CameraFeed::get_id() const {
@ -144,14 +143,6 @@ CameraFeed::CameraFeed() {
datatype = CameraFeed::FEED_RGB;
position = CameraFeed::FEED_UNSPECIFIED;
transform = Transform2D(1.0, 0.0, 0.0, -1.0, 0.0, 1.0);
// FIXME: Disabled during Vulkan refactoring, should be ported.
#if 0
// create a texture object
RenderingServer *vs = RenderingServer::get_singleton();
texture[CameraServer::FEED_Y_IMAGE] = vs->texture_create(); // also used for RGBA
texture[CameraServer::FEED_CBCR_IMAGE] = vs->texture_create();
#endif
}
CameraFeed::CameraFeed(String p_name, FeedPosition p_position) {
@ -164,33 +155,21 @@ CameraFeed::CameraFeed(String p_name, FeedPosition p_position) {
datatype = CameraFeed::FEED_NOIMAGE;
position = p_position;
transform = Transform2D(1.0, 0.0, 0.0, -1.0, 0.0, 1.0);
// FIXME: Disabled during Vulkan refactoring, should be ported.
#if 0
// create a texture object
RenderingServer *vs = RenderingServer::get_singleton();
texture[CameraServer::FEED_Y_IMAGE] = vs->texture_create(); // also used for RGBA
texture[CameraServer::FEED_CBCR_IMAGE] = vs->texture_create();
#endif
}
CameraFeed::~CameraFeed() {
// FIXME: Disabled during Vulkan refactoring, should be ported.
#if 0
// Free our textures
RenderingServer *vs = RenderingServer::get_singleton();
vs->free(texture[CameraServer::FEED_Y_IMAGE]);
vs->free(texture[CameraServer::FEED_CBCR_IMAGE]);
#endif
if (texture[CameraServer::FEED_Y_IMAGE].is_valid()) {
RenderingServer::get_singleton()->free(texture[CameraServer::FEED_Y_IMAGE]);
}
if (texture[CameraServer::FEED_CBCR_IMAGE].is_valid()) {
RenderingServer::get_singleton()->free(texture[CameraServer::FEED_CBCR_IMAGE]);
}
}
void CameraFeed::set_RGB_img(const Ref<Image> &p_rgb_img) {
// FIXME: Disabled during Vulkan refactoring, should be ported.
#if 0
ERR_FAIL_COND(p_rgb_img.is_null());
if (active) {
RenderingServer *vs = RenderingServer::get_singleton();
int new_width = p_rgb_img->get_width();
int new_height = p_rgb_img->get_height();
@ -198,23 +177,23 @@ void CameraFeed::set_RGB_img(const Ref<Image> &p_rgb_img) {
// We're assuming here that our camera image doesn't change around formats etc, allocate the whole lot...
base_width = new_width;
base_height = new_height;
vs->texture_allocate(texture[CameraServer::FEED_RGBA_IMAGE], new_width, new_height, 0, Image::FORMAT_RGB8, RS::TEXTURE_TYPE_2D, RS::TEXTURE_FLAGS_DEFAULT);
if (texture[CameraServer::FEED_RGBA_IMAGE].is_null()) {
texture[CameraServer::FEED_RGBA_IMAGE] = RenderingServer::get_singleton()->texture_2d_create(p_rgb_img);
} else {
RID new_texture = RenderingServer::get_singleton()->texture_2d_create(p_rgb_img);
RenderingServer::get_singleton()->texture_replace(texture[CameraServer::FEED_RGBA_IMAGE], new_texture);
}
} else {
RenderingServer::get_singleton()->texture_2d_update(texture[CameraServer::FEED_RGBA_IMAGE], p_rgb_img);
}
vs->texture_set_data(texture[CameraServer::FEED_RGBA_IMAGE], p_rgb_img);
datatype = CameraFeed::FEED_RGB;
}
#endif
}
void CameraFeed::set_YCbCr_img(const Ref<Image> &p_ycbcr_img) {
// FIXME: Disabled during Vulkan refactoring, should be ported.
#if 0
ERR_FAIL_COND(p_ycbcr_img.is_null());
if (active) {
RenderingServer *vs = RenderingServer::get_singleton();
int new_width = p_ycbcr_img->get_width();
int new_height = p_ycbcr_img->get_height();
@ -222,68 +201,57 @@ void CameraFeed::set_YCbCr_img(const Ref<Image> &p_ycbcr_img) {
// We're assuming here that our camera image doesn't change around formats etc, allocate the whole lot...
base_width = new_width;
base_height = new_height;
vs->texture_allocate(texture[CameraServer::FEED_RGBA_IMAGE], new_width, new_height, 0, Image::FORMAT_RGB8, RS::TEXTURE_TYPE_2D, RS::TEXTURE_FLAGS_DEFAULT);
if (texture[CameraServer::FEED_RGBA_IMAGE].is_null()) {
texture[CameraServer::FEED_RGBA_IMAGE] = RenderingServer::get_singleton()->texture_2d_create(p_ycbcr_img);
} else {
RID new_texture = RenderingServer::get_singleton()->texture_2d_create(p_ycbcr_img);
RenderingServer::get_singleton()->texture_replace(texture[CameraServer::FEED_RGBA_IMAGE], new_texture);
}
} else {
RenderingServer::get_singleton()->texture_2d_update(texture[CameraServer::FEED_RGBA_IMAGE], p_ycbcr_img);
}
vs->texture_set_data(texture[CameraServer::FEED_RGBA_IMAGE], p_ycbcr_img);
datatype = CameraFeed::FEED_YCBCR;
}
#endif
}
void CameraFeed::set_YCbCr_imgs(const Ref<Image> &p_y_img, const Ref<Image> &p_cbcr_img) {
// FIXME: Disabled during Vulkan refactoring, should be ported.
#if 0
ERR_FAIL_COND(p_y_img.is_null());
ERR_FAIL_COND(p_cbcr_img.is_null());
if (active) {
RenderingServer *vs = RenderingServer::get_singleton();
///@TODO investigate whether we can use thirdparty/misc/yuv2rgb.h here to convert our YUV data to RGB, our shader approach is potentially faster though..
// Wondering about including that into multiple projects, may cause issues.
// That said, if we convert to RGB, we could enable using texture resources again...
int new_y_width = p_y_img->get_width();
int new_y_height = p_y_img->get_height();
int new_cbcr_width = p_cbcr_img->get_width();
int new_cbcr_height = p_cbcr_img->get_height();
if ((base_width != new_y_width) || (base_height != new_y_height)) {
// We're assuming here that our camera image doesn't change around formats etc, allocate the whole lot...
base_width = new_y_width;
base_height = new_y_height;
if (texture[CameraServer::FEED_Y_IMAGE].is_null()) {
texture[CameraServer::FEED_Y_IMAGE] = RenderingServer::get_singleton()->texture_2d_create(p_y_img);
} else {
RID new_texture = RenderingServer::get_singleton()->texture_2d_create(p_y_img);
RenderingServer::get_singleton()->texture_replace(texture[CameraServer::FEED_Y_IMAGE], new_texture);
}
vs->texture_allocate(texture[CameraServer::FEED_Y_IMAGE], new_y_width, new_y_height, 0, Image::FORMAT_R8, RS::TEXTURE_TYPE_2D, RS::TEXTURE_FLAG_USED_FOR_STREAMING);
///@TODO GLES2 doesn't support FORMAT_RG8, need to do some form of conversion
vs->texture_allocate(texture[CameraServer::FEED_CBCR_IMAGE], new_cbcr_width, new_cbcr_height, 0, Image::FORMAT_RG8, RS::TEXTURE_TYPE_2D, RS::TEXTURE_FLAG_USED_FOR_STREAMING);
if (texture[CameraServer::FEED_CBCR_IMAGE].is_null()) {
texture[CameraServer::FEED_CBCR_IMAGE] = RenderingServer::get_singleton()->texture_2d_create(p_cbcr_img);
} else {
RID new_texture = RenderingServer::get_singleton()->texture_2d_create(p_cbcr_img);
RenderingServer::get_singleton()->texture_replace(texture[CameraServer::FEED_CBCR_IMAGE], new_texture);
}
} else {
RenderingServer::get_singleton()->texture_2d_update(texture[CameraServer::FEED_Y_IMAGE], p_y_img);
RenderingServer::get_singleton()->texture_2d_update(texture[CameraServer::FEED_CBCR_IMAGE], p_cbcr_img);
}
vs->texture_set_data(texture[CameraServer::FEED_Y_IMAGE], p_y_img);
vs->texture_set_data(texture[CameraServer::FEED_CBCR_IMAGE], p_cbcr_img);
datatype = CameraFeed::FEED_YCBCR_SEP;
}
#endif
}
// FIXME: Disabled during Vulkan refactoring, should be ported.
#if 0
void CameraFeed::allocate_texture(int p_width, int p_height, Image::Format p_format, RenderingServer::TextureType p_texture_type, FeedDataType p_data_type) {
RenderingServer *vs = RenderingServer::get_singleton();
if ((base_width != p_width) || (base_height != p_height)) {
// We're assuming here that our camera image doesn't change around formats etc, allocate the whole lot...
base_width = p_width;
base_height = p_height;
vs->texture_allocate(texture[0], p_width, p_height, 0, p_format, p_texture_type, RS::TEXTURE_FLAGS_DEFAULT);
}
datatype = p_data_type;
}
#endif
bool CameraFeed::activate_feed() {
// nothing to do here
return true;

4
servers/camera/camera_feed.h
View file

@ -103,10 +103,6 @@ public:
void set_RGB_img(const Ref<Image> &p_rgb_img);
void set_YCbCr_img(const Ref<Image> &p_ycbcr_img);
void set_YCbCr_imgs(const Ref<Image> &p_y_img, const Ref<Image> &p_cbcr_img);
// FIXME: Disabled during Vulkan refactoring, should be ported.
#if 0
void allocate_texture(int p_width, int p_height, Image::Format p_format, RenderingServer::TextureType p_texture_type, FeedDataType p_data_type);
#endif
virtual bool activate_feed();
virtual void deactivate_feed();