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Code Releases Wiki Activity

Adding a new Camera Server implementation to Godot.

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This is a new singleton where camera sources such as webcams or cameras on a mobile phone can register themselves with the Server.
Other parts of Godot can interact with this to obtain images from the camera as textures.
This work includes additions to the Visual Server to use this functionality to present the camera image in the background. This is specifically targetted at AR applications.
This commit is contained in:
BastiaanOlij
2017-08-21 00:17:24 +10:00
committed by Bastiaan Olij
parent 0a3c21d999
commit 02ea99129e
67 changed files with 2384 additions and 5 deletions
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68
drivers/gles3/rasterizer_scene_gles3.cpp
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@@ -34,6 +34,7 @@
#include "core/os/os.h"
#include "core/project_settings.h"
#include "rasterizer_canvas_gles3.h"
#include "servers/camera/camera_feed.h"
#include "servers/visual/visual_server_raster.h"
#ifndef GLES_OVER_GL
@@ -830,6 +831,12 @@ void RasterizerSceneGLES3::environment_set_ambient_light(RID p_env, const Color
env->ambient_energy = p_energy;
env->ambient_sky_contribution = p_sky_contribution;
}
void RasterizerSceneGLES3::environment_set_camera_feed_id(RID p_env, int p_camera_feed_id) {
Environment *env = environment_owner.getornull(p_env);
ERR_FAIL_COND(!env);
env->camera_feed_id = p_camera_feed_id;
}
void RasterizerSceneGLES3::environment_set_dof_blur_far(RID p_env, bool p_enable, float p_distance, float p_transition, float p_amount, VS::EnvironmentDOFBlurQuality p_quality) {
@@ -4342,6 +4349,7 @@ void RasterizerSceneGLES3::render_scene(const Transform &p_cam_transform, const
Color clear_color(0, 0, 0, 0);
RasterizerStorageGLES3::Sky *sky = NULL;
Ref<CameraFeed> feed;
GLuint env_radiance_tex = 0;
if (state.debug_draw == VS::VIEWPORT_DEBUG_DRAW_OVERDRAW) {
@@ -4376,6 +4384,9 @@ void RasterizerSceneGLES3::render_scene(const Transform &p_cam_transform, const
clear_color = env->bg_color.to_linear();
storage->frame.clear_request = false;
} else if (env->bg_mode == VS::ENV_BG_CAMERA_FEED) {
feed = CameraServer::get_singleton()->get_feed_by_id(env->camera_feed_id);
storage->frame.clear_request = false;
} else {
storage->frame.clear_request = false;
}
@@ -4426,6 +4437,63 @@ void RasterizerSceneGLES3::render_scene(const Transform &p_cam_transform, const
glEnable(GL_DEPTH_TEST);
glEnable(GL_CULL_FACE);
break;
case VS::ENV_BG_CAMERA_FEED:
if (feed.is_valid() && (feed->get_base_width() > 0) && (feed->get_base_height() > 0)) {
// copy our camera feed to our background
glDisable(GL_BLEND);
glDepthMask(GL_FALSE);
glDisable(GL_DEPTH_TEST);
glDisable(GL_CULL_FACE);
storage->shaders.copy.set_conditional(CopyShaderGLES3::USE_DISPLAY_TRANSFORM, true);
storage->shaders.copy.set_conditional(CopyShaderGLES3::DISABLE_ALPHA, true);
storage->shaders.copy.set_conditional(CopyShaderGLES3::SRGB_TO_LINEAR, true);
if (feed->get_datatype() == CameraFeed::FEED_RGB) {
RID camera_RGBA = feed->get_texture(CameraServer::FEED_RGBA_IMAGE);
VS::get_singleton()->texture_bind(camera_RGBA, 0);
} else if (feed->get_datatype() == CameraFeed::FEED_YCbCr) {
RID camera_YCbCr = feed->get_texture(CameraServer::FEED_YCbCr_IMAGE);
VS::get_singleton()->texture_bind(camera_YCbCr, 0);
storage->shaders.copy.set_conditional(CopyShaderGLES3::YCBCR_TO_SRGB, true);
} else if (feed->get_datatype() == CameraFeed::FEED_YCbCr_Sep) {
RID camera_Y = feed->get_texture(CameraServer::FEED_Y_IMAGE);
RID camera_CbCr = feed->get_texture(CameraServer::FEED_CbCr_IMAGE);
VS::get_singleton()->texture_bind(camera_Y, 0);
VS::get_singleton()->texture_bind(camera_CbCr, 1);
storage->shaders.copy.set_conditional(CopyShaderGLES3::SEP_CBCR_TEXTURE, true);
storage->shaders.copy.set_conditional(CopyShaderGLES3::YCBCR_TO_SRGB, true);
};
storage->shaders.copy.bind();
storage->shaders.copy.set_uniform(CopyShaderGLES3::DISPLAY_TRANSFORM, feed->get_transform());
_copy_screen(true, true);
//turn off everything used
storage->shaders.copy.set_conditional(CopyShaderGLES3::USE_DISPLAY_TRANSFORM, false);
storage->shaders.copy.set_conditional(CopyShaderGLES3::DISABLE_ALPHA, false);
storage->shaders.copy.set_conditional(CopyShaderGLES3::SRGB_TO_LINEAR, false);
storage->shaders.copy.set_conditional(CopyShaderGLES3::SEP_CBCR_TEXTURE, false);
storage->shaders.copy.set_conditional(CopyShaderGLES3::YCBCR_TO_SRGB, false);
//restore
glEnable(GL_BLEND);
glDepthMask(GL_TRUE);
glEnable(GL_DEPTH_TEST);
glEnable(GL_CULL_FACE);
} else {
// don't have a feed, just show greenscreen :)
clear_color = Color(0.0, 1.0, 0.0, 1.0);
}
break;
default: {
}
}