mirror of
https://github.com/gnif/LookingGlass.git
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1002 lines
26 KiB
C
1002 lines
26 KiB
C
/**
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* Looking Glass
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* Copyright (C) 2017-2021 The Looking Glass Authors
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* https://looking-glass.io
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc., 59
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* Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "interface/renderer.h"
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#include "common/debug.h"
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#include "common/KVMFR.h"
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#include "common/option.h"
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#include "common/sysinfo.h"
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#include "common/time.h"
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#include "common/locking.h"
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#include "app.h"
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#include "util.h"
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#include <EGL/egl.h>
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#include <GLES3/gl32.h>
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#include "cimgui.h"
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#include "generator/output/cimgui_impl.h"
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#include <assert.h>
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#include <math.h>
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#include <string.h>
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#include "app.h"
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#include "egl_dynprocs.h"
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#include "model.h"
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#include "shader.h"
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#include "damage.h"
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#include "desktop.h"
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#include "cursor.h"
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#include "splash.h"
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#define SPLASH_FADE_TIME 1000000
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struct Options
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{
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bool vsync;
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bool doubleBuffer;
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};
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struct Inst
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{
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bool dmaSupport;
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LG_RendererParams params;
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struct Options opt;
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EGLNativeWindowType nativeWind;
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EGLDisplay display;
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EGLConfig configs;
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EGLSurface surface;
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EGLContext context, frameContext;
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EGL_Desktop * desktop; // the desktop
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EGL_Cursor * cursor; // the mouse cursor
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EGL_Splash * splash; // the splash screen
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EGL_Damage * damage; // the damage display
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bool imgui; // if imgui was initialized
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LG_RendererFormat format;
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bool formatValid;
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bool start;
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uint64_t waitFadeTime;
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bool waitDone;
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int width, height;
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float uiScale;
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LG_RendererRect destRect;
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LG_RendererRotate rotate; //client side rotation
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float translateX , translateY;
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float scaleX , scaleY;
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float splashRatio;
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float screenScaleX, screenScaleY;
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int viewportWidth, viewportHeight;
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enum EGL_DesktopScaleType scaleType;
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bool cursorVisible;
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int cursorX , cursorY;
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float mouseWidth , mouseHeight;
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float mouseScaleX, mouseScaleY;
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bool showDamage;
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struct CursorState cursorLast;
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bool hadOverlay;
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_Atomic(struct DesktopDamage *) desktopDamage;
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};
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static struct Option egl_options[] =
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{
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{
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.module = "egl",
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.name = "vsync",
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.description = "Enable vsync",
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.type = OPTION_TYPE_BOOL,
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.value.x_bool = false,
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},
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{
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.module = "egl",
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.name = "doubleBuffer",
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.description = "Enable double buffering",
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.type = OPTION_TYPE_BOOL,
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.value.x_bool = false
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},
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{
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.module = "egl",
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.name = "multisample",
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.description = "Enable Multisampling",
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.type = OPTION_TYPE_BOOL,
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.value.x_bool = true
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},
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{
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.module = "egl",
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.name = "nvGainMax",
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.description = "The maximum night vision gain",
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.type = OPTION_TYPE_INT,
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.value.x_int = 1
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},
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{
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.module = "egl",
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.name = "nvGain",
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.description = "The initial night vision gain at startup",
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.type = OPTION_TYPE_INT,
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.value.x_int = 0
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},
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{
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.module = "egl",
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.name = "cbMode",
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.description = "Color Blind Mode (0 = Off, 1 = Protanope, 2 = Deuteranope, 3 = Tritanope)",
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.type = OPTION_TYPE_INT,
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.value.x_int = 0
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},
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{
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.module = "egl",
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.name = "scale",
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.description = "Set the scale algorithm (0 = auto, 1 = nearest, 2 = linear)",
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.type = OPTION_TYPE_INT,
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.validator = egl_desktop_scale_validate,
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.value.x_int = 0
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},
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{
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.module = "egl",
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.name = "debug",
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.description = "Enable debug output",
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.type = OPTION_TYPE_BOOL,
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.value.x_bool = false
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},
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{0}
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};
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void update_mouse_shape(struct Inst * this);
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const char * egl_get_name(void)
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{
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return "EGL";
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}
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void egl_setup(void)
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{
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option_register(egl_options);
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}
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bool egl_create(void ** opaque, const LG_RendererParams params, bool * needsOpenGL)
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{
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// check if EGL is even available
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if (!eglQueryString(EGL_NO_DISPLAY, EGL_VERSION))
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return false;
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// create our local storage
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*opaque = calloc(1, sizeof(struct Inst));
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if (!*opaque)
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{
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DEBUG_INFO("Failed to allocate %lu bytes", sizeof(struct Inst));
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return false;
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}
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// safe off parameteres and init our default option values
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struct Inst * this = (struct Inst *)*opaque;
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memcpy(&this->params, ¶ms, sizeof(LG_RendererParams));
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this->opt.vsync = option_get_bool("egl", "vsync");
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this->opt.doubleBuffer = option_get_bool("egl", "doubleBuffer");
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this->translateX = 0;
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this->translateY = 0;
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this->scaleX = 1.0f;
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this->scaleY = 1.0f;
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this->screenScaleX = 1.0f;
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this->screenScaleY = 1.0f;
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this->uiScale = 1.0;
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atomic_init(&this->desktopDamage, NULL);
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*needsOpenGL = false;
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return true;
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}
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bool egl_initialize(void * opaque)
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{
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struct Inst * this = (struct Inst *)opaque;
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DEBUG_INFO("Double buffering is %s", this->opt.doubleBuffer ? "on" : "off");
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return true;
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}
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void egl_deinitialize(void * opaque)
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{
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struct Inst * this = (struct Inst *)opaque;
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if (this->imgui)
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ImGui_ImplOpenGL3_Shutdown();
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egl_desktop_free(&this->desktop);
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egl_cursor_free (&this->cursor);
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egl_splash_free (&this->splash);
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egl_damage_free (&this->damage);
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LG_LOCK_FREE(this->lock);
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eglMakeCurrent(this->display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
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if (this->frameContext)
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eglDestroyContext(this->display, this->frameContext);
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if (this->context)
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eglDestroyContext(this->display, this->context);
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eglTerminate(this->display);
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free(this);
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}
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bool egl_supports(void * opaque, LG_RendererSupport flag)
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{
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struct Inst * this = (struct Inst *)opaque;
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switch(flag)
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{
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case LG_SUPPORTS_DMABUF:
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return this->dmaSupport;
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default:
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return false;
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}
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}
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void egl_on_restart(void * opaque)
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{
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struct Inst * this = (struct Inst *)opaque;
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eglDestroyContext(this->display, this->frameContext);
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this->frameContext = NULL;
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this->start = false;
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}
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static void egl_calc_mouse_size(struct Inst * this)
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{
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if (!this->formatValid)
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return;
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int w = 0, h = 0;
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switch(this->format.rotate)
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{
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case LG_ROTATE_0:
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case LG_ROTATE_180:
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this->mouseScaleX = 2.0f / this->format.width;
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this->mouseScaleY = 2.0f / this->format.height;
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w = this->format.width;
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h = this->format.height;
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break;
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case LG_ROTATE_90:
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case LG_ROTATE_270:
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this->mouseScaleX = 2.0f / this->format.height;
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this->mouseScaleY = 2.0f / this->format.width;
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w = this->format.height;
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h = this->format.width;
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break;
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default:
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assert(!"unreachable");
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}
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switch((this->format.rotate + this->rotate) % LG_ROTATE_MAX)
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{
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case LG_ROTATE_0:
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case LG_ROTATE_180:
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egl_cursor_set_size(this->cursor,
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(this->mouseWidth * (1.0f / w)) * this->scaleX,
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(this->mouseHeight * (1.0f / h)) * this->scaleY
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);
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break;
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case LG_ROTATE_90:
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case LG_ROTATE_270:
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egl_cursor_set_size(this->cursor,
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(this->mouseWidth * (1.0f / w)) * this->scaleY,
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(this->mouseHeight * (1.0f / h)) * this->scaleX
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);
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break;
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}
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}
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static void egl_calc_mouse_state(struct Inst * this)
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{
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if (!this->formatValid)
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return;
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switch((this->format.rotate + this->rotate) % LG_ROTATE_MAX)
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{
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case LG_ROTATE_0:
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case LG_ROTATE_180:
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egl_cursor_set_state(
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this->cursor,
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this->cursorVisible,
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(((float)this->cursorX * this->mouseScaleX) - 1.0f) * this->scaleX,
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(((float)this->cursorY * this->mouseScaleY) - 1.0f) * this->scaleY
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);
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break;
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case LG_ROTATE_90:
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case LG_ROTATE_270:
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egl_cursor_set_state(
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this->cursor,
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this->cursorVisible,
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(((float)this->cursorX * this->mouseScaleX) - 1.0f) * this->scaleY,
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(((float)this->cursorY * this->mouseScaleY) - 1.0f) * this->scaleX
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);
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break;
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}
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}
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static void egl_update_scale_type(struct Inst * this)
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{
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int width = 0, height = 0;
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switch (this->rotate)
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{
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case LG_ROTATE_0:
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case LG_ROTATE_180:
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width = this->format.width;
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height = this->format.height;
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break;
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case LG_ROTATE_90:
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case LG_ROTATE_270:
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width = this->format.height;
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height = this->format.width;
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break;
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}
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if (width == this->viewportWidth || height == this->viewportHeight)
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this->scaleType = EGL_DESKTOP_NOSCALE;
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else if (width > this->viewportWidth || height > this->viewportHeight)
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this->scaleType = EGL_DESKTOP_DOWNSCALE;
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else
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this->scaleType = EGL_DESKTOP_UPSCALE;
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}
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void egl_on_resize(void * opaque, const int width, const int height, const double scale,
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const LG_RendererRect destRect, LG_RendererRotate rotate)
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{
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struct Inst * this = (struct Inst *)opaque;
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this->width = width * scale;
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this->height = height * scale;
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this->uiScale = (float) scale;
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this->rotate = rotate;
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this->destRect.x = destRect.x * scale;
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this->destRect.y = destRect.y * scale;
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this->destRect.w = destRect.w * scale;
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this->destRect.h = destRect.h * scale;
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glViewport(0, 0, this->width, this->height);
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if (destRect.valid)
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{
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this->translateX = 1.0f - (((this->destRect.w / 2) + this->destRect.x) * 2) / (float)this->width;
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this->translateY = 1.0f - (((this->destRect.h / 2) + this->destRect.y) * 2) / (float)this->height;
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this->scaleX = (float)this->destRect.w / (float)this->width;
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this->scaleY = (float)this->destRect.h / (float)this->height;
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this->viewportWidth = this->destRect.w;
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this->viewportHeight = this->destRect.h;
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}
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egl_update_scale_type(this);
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egl_calc_mouse_size(this);
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this->splashRatio = (float)width / (float)height;
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this->screenScaleX = 1.0f / this->width;
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this->screenScaleY = 1.0f / this->height;
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egl_calc_mouse_state(this);
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struct DesktopDamage * damage = malloc(sizeof(struct DesktopDamage));
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if (!damage)
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{
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DEBUG_FATAL("Out of memory");
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abort();
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}
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damage->count = 0;
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free(atomic_exchange(&this->desktopDamage, damage));
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// this is needed to refresh the font atlas texture
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ImGui_ImplOpenGL3_Shutdown();
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ImGui_ImplOpenGL3_NewFrame();
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egl_damage_resize(this->damage, this->translateX, this->translateY, this->scaleX, this->scaleY);
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}
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bool egl_on_mouse_shape(void * opaque, const LG_RendererCursor cursor,
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const int width, const int height,
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const int pitch, const uint8_t * data)
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{
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struct Inst * this = (struct Inst *)opaque;
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if (!egl_cursor_set_shape(this->cursor, cursor, width, height, pitch, data))
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{
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DEBUG_ERROR("Failed to update the cursor shape");
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return false;
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}
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this->mouseWidth = width;
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this->mouseHeight = height;
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egl_calc_mouse_size(this);
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return true;
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}
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bool egl_on_mouse_event(void * opaque, const bool visible, const int x, const int y)
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{
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struct Inst * this = (struct Inst *)opaque;
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this->cursorVisible = visible;
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this->cursorX = x;
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this->cursorY = y;
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egl_calc_mouse_state(this);
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return true;
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}
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bool egl_on_frame_format(void * opaque, const LG_RendererFormat format, bool useDMA)
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{
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struct Inst * this = (struct Inst *)opaque;
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memcpy(&this->format, &format, sizeof(LG_RendererFormat));
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this->formatValid = true;
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/* this event runs in a second thread so we need to init it here */
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if (!this->frameContext)
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{
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static EGLint attrs[] = {
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EGL_CONTEXT_CLIENT_VERSION, 2,
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EGL_NONE
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};
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if (!(this->frameContext = eglCreateContext(this->display, this->configs, this->context, attrs)))
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{
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DEBUG_ERROR("Failed to create the frame context");
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return false;
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}
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if (!eglMakeCurrent(this->display, EGL_NO_SURFACE, EGL_NO_SURFACE, this->frameContext))
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{
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DEBUG_ERROR("Failed to make the frame context current");
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return false;
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}
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}
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egl_update_scale_type(this);
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egl_damage_setup(this->damage, format.width, format.height);
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return egl_desktop_setup(this->desktop, format, useDMA);
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}
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bool egl_on_frame(void * opaque, const FrameBuffer * frame, int dmaFd,
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const FrameDamageRect * damageRects, int damageRectsCount)
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{
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struct Inst * this = (struct Inst *)opaque;
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if (!egl_desktop_update(this->desktop, frame, dmaFd))
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{
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DEBUG_INFO("Failed to to update the desktop");
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return false;
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}
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this->start = true;
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struct DesktopDamage * damage = malloc(sizeof(struct DesktopDamage));
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if (!damage)
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{
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DEBUG_FATAL("Out of memory");
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abort();
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}
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damage->count = damageRectsCount;
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memcpy(damage->rects, damageRects, damageRectsCount * sizeof(FrameDamageRect));
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free(atomic_exchange(&this->desktopDamage, damage));
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return true;
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}
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static void debugCallback(GLenum source, GLenum type, GLuint id,
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GLenum severity, GLsizei length, const GLchar * message,
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const void * userParam)
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{
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enum DebugLevel level = DEBUG_LEVEL_FIXME;
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switch (severity)
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{
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case GL_DEBUG_SEVERITY_HIGH:
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level = DEBUG_LEVEL_ERROR;
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break;
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case GL_DEBUG_SEVERITY_MEDIUM:
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level = DEBUG_LEVEL_WARN;
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break;
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case GL_DEBUG_SEVERITY_LOW:
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case GL_DEBUG_SEVERITY_NOTIFICATION:
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level = DEBUG_LEVEL_INFO;
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break;
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}
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const char * sourceName = "unknown";
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switch (source)
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{
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case GL_DEBUG_SOURCE_API:
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sourceName = "OpenGL API";
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break;
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case GL_DEBUG_SOURCE_WINDOW_SYSTEM:
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sourceName = "window system";
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break;
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case GL_DEBUG_SOURCE_SHADER_COMPILER:
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sourceName = "shader compiler";
|
|
break;
|
|
case GL_DEBUG_SOURCE_THIRD_PARTY:
|
|
sourceName = "third party";
|
|
break;
|
|
case GL_DEBUG_SOURCE_APPLICATION:
|
|
sourceName = "application";
|
|
break;
|
|
case GL_DEBUG_SOURCE_OTHER:
|
|
sourceName = "other";
|
|
break;
|
|
}
|
|
|
|
const char * typeName = "unknown";
|
|
switch (type)
|
|
{
|
|
case GL_DEBUG_TYPE_ERROR:
|
|
typeName = "error";
|
|
break;
|
|
case GL_DEBUG_TYPE_DEPRECATED_BEHAVIOR:
|
|
typeName = "deprecated behaviour";
|
|
break;
|
|
case GL_DEBUG_TYPE_UNDEFINED_BEHAVIOR:
|
|
typeName = "undefined behaviour";
|
|
break;
|
|
case GL_DEBUG_TYPE_PORTABILITY:
|
|
typeName = "portability";
|
|
break;
|
|
case GL_DEBUG_TYPE_PERFORMANCE:
|
|
typeName = "performance";
|
|
break;
|
|
case GL_DEBUG_TYPE_MARKER:
|
|
typeName = "marker";
|
|
break;
|
|
case GL_DEBUG_TYPE_PUSH_GROUP:
|
|
typeName = "group pushing";
|
|
break;
|
|
case GL_DEBUG_TYPE_POP_GROUP:
|
|
typeName = "group popping";
|
|
break;
|
|
case GL_DEBUG_TYPE_OTHER:
|
|
typeName = "other";
|
|
break;
|
|
}
|
|
|
|
DEBUG_PRINT(level, "GL message (source: %s, type: %s): %s", sourceName, typeName, message);
|
|
}
|
|
|
|
bool egl_render_startup(void * opaque)
|
|
{
|
|
struct Inst * this = (struct Inst *)opaque;
|
|
|
|
this->nativeWind = app_getEGLNativeWindow();
|
|
if (!this->nativeWind)
|
|
return false;
|
|
|
|
this->display = app_getEGLDisplay();
|
|
if (this->display == EGL_NO_DISPLAY)
|
|
return false;
|
|
|
|
int maj, min;
|
|
if (!eglInitialize(this->display, &maj, &min))
|
|
{
|
|
DEBUG_ERROR("Unable to initialize EGL");
|
|
return false;
|
|
}
|
|
|
|
int maxSamples = 1;
|
|
if (option_get_bool("egl", "multisample"))
|
|
{
|
|
if (app_getProp(LG_DS_MAX_MULTISAMPLE, &maxSamples) && maxSamples > 1)
|
|
{
|
|
if (maxSamples > 4)
|
|
maxSamples = 4;
|
|
|
|
DEBUG_INFO("Multisampling enabled, max samples: %d", maxSamples);
|
|
}
|
|
}
|
|
|
|
EGLint attr[] =
|
|
{
|
|
EGL_BUFFER_SIZE , 24,
|
|
EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
|
|
EGL_SAMPLE_BUFFERS , maxSamples > 0 ? 1 : 0,
|
|
EGL_SAMPLES , maxSamples,
|
|
EGL_NONE
|
|
};
|
|
|
|
EGLint num_config;
|
|
if (!eglChooseConfig(this->display, attr, &this->configs, 1, &num_config))
|
|
{
|
|
DEBUG_ERROR("Failed to choose config (eglError: 0x%x)", eglGetError());
|
|
return false;
|
|
}
|
|
|
|
const EGLint surfattr[] =
|
|
{
|
|
EGL_RENDER_BUFFER, this->opt.doubleBuffer ? EGL_BACK_BUFFER : EGL_SINGLE_BUFFER,
|
|
EGL_NONE
|
|
};
|
|
|
|
this->surface = eglCreateWindowSurface(this->display, this->configs, this->nativeWind, surfattr);
|
|
if (this->surface == EGL_NO_SURFACE)
|
|
{
|
|
DEBUG_ERROR("Failed to create EGL surface (eglError: 0x%x)", eglGetError());
|
|
return false;
|
|
}
|
|
|
|
bool debugContext = option_get_bool("egl", "debug");
|
|
EGLint ctxattr[] =
|
|
{
|
|
EGL_CONTEXT_CLIENT_VERSION, 2,
|
|
EGL_CONTEXT_OPENGL_DEBUG , debugContext ? EGL_TRUE : EGL_FALSE,
|
|
EGL_NONE
|
|
};
|
|
|
|
this->context = eglCreateContext(this->display, this->configs, EGL_NO_CONTEXT, ctxattr);
|
|
if (this->context == EGL_NO_CONTEXT)
|
|
{
|
|
DEBUG_ERROR("Failed to create EGL context (eglError: 0x%x)", eglGetError());
|
|
return false;
|
|
}
|
|
|
|
EGLint rb = 0;
|
|
eglQuerySurface(this->display, this->surface, EGL_RENDER_BUFFER, &rb);
|
|
switch(rb)
|
|
{
|
|
case EGL_SINGLE_BUFFER:
|
|
DEBUG_INFO("Single buffer mode");
|
|
break;
|
|
|
|
case EGL_BACK_BUFFER:
|
|
DEBUG_INFO("Back buffer mode");
|
|
break;
|
|
|
|
default:
|
|
DEBUG_WARN("Unknown render buffer mode: %d", rb);
|
|
break;
|
|
}
|
|
|
|
eglMakeCurrent(this->display, this->surface, this->surface, this->context);
|
|
const char *client_exts = eglQueryString(this->display, EGL_EXTENSIONS);
|
|
const char *gl_exts = (const char *)glGetString(GL_EXTENSIONS);
|
|
const char *vendor = (const char *)glGetString(GL_VENDOR);
|
|
|
|
DEBUG_INFO("EGL : %d.%d", maj, min);
|
|
DEBUG_INFO("Vendor : %s", vendor);
|
|
DEBUG_INFO("Renderer: %s", glGetString(GL_RENDERER));
|
|
DEBUG_INFO("Version : %s", glGetString(GL_VERSION ));
|
|
DEBUG_INFO("EGL APIs: %s", eglQueryString(this->display, EGL_CLIENT_APIS));
|
|
DEBUG_INFO("EGL Exts: %s", client_exts);
|
|
DEBUG_INFO("GL Exts : %s", gl_exts);
|
|
|
|
GLint esMaj, esMin;
|
|
glGetIntegerv(GL_MAJOR_VERSION, &esMaj);
|
|
glGetIntegerv(GL_MINOR_VERSION, &esMin);
|
|
|
|
if (!util_hasGLExt(gl_exts, "GL_EXT_buffer_storage"))
|
|
{
|
|
DEBUG_ERROR("GL_EXT_buffer_storage is needed to use EGL backend");
|
|
return false;
|
|
}
|
|
|
|
if (!util_hasGLExt(gl_exts, "GL_EXT_texture_format_BGRA8888"))
|
|
{
|
|
DEBUG_ERROR("GL_EXT_texture_format_BGRA8888 is needed to use EGL backend");
|
|
return false;
|
|
}
|
|
|
|
if (g_egl_dynProcs.glEGLImageTargetTexture2DOES)
|
|
{
|
|
if (util_hasGLExt(client_exts, "EGL_EXT_image_dma_buf_import"))
|
|
{
|
|
/*
|
|
* As of version 455.45.01 NVidia started advertising support for this
|
|
* feature, however even on the latest version 460.27.04 this is still
|
|
* broken and does not work, until this is fixed and we have way to detect
|
|
* this early just disable dma for all NVIDIA devices.
|
|
*
|
|
* ref: https://forums.developer.nvidia.com/t/egl-ext-image-dma-buf-import-broken-egl-bad-alloc-with-tons-of-free-ram/165552
|
|
*/
|
|
if (strstr(vendor, "NVIDIA") != NULL)
|
|
DEBUG_WARN("NVIDIA driver detected, ignoring broken DMA support");
|
|
else
|
|
this->dmaSupport = true;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
DEBUG_INFO("glEGLImageTargetTexture2DOES unavilable, DMA support disabled");
|
|
}
|
|
|
|
if (debugContext)
|
|
{
|
|
if ((esMaj > 3 || (esMaj == 3 && esMin >= 2)) && g_egl_dynProcs.glDebugMessageCallback)
|
|
{
|
|
g_egl_dynProcs.glDebugMessageCallback(debugCallback, NULL);
|
|
DEBUG_INFO("Using debug message callback from OpenGL ES 3.2+");
|
|
}
|
|
else if (util_hasGLExt(gl_exts, "GL_KHR_debug") && g_egl_dynProcs.glDebugMessageCallbackKHR)
|
|
{
|
|
g_egl_dynProcs.glDebugMessageCallbackKHR(debugCallback, NULL);
|
|
DEBUG_INFO("Using debug message callback from GL_KHR_debug");
|
|
}
|
|
else
|
|
DEBUG_INFO("Debug message callback not supported");
|
|
}
|
|
else
|
|
DEBUG_INFO("Debug messages disabled, enable with egl:debug=true");
|
|
|
|
eglSwapInterval(this->display, this->opt.vsync ? 1 : 0);
|
|
|
|
if (!egl_desktop_init(&this->desktop, this->display))
|
|
{
|
|
DEBUG_ERROR("Failed to initialize the desktop");
|
|
return false;
|
|
}
|
|
|
|
if (!egl_cursor_init(&this->cursor))
|
|
{
|
|
DEBUG_ERROR("Failed to initialize the cursor");
|
|
return false;
|
|
}
|
|
|
|
if (!egl_splash_init(&this->splash))
|
|
{
|
|
DEBUG_ERROR("Failed to initialize the splash screen");
|
|
return false;
|
|
}
|
|
|
|
if (!egl_damage_init(&this->damage))
|
|
{
|
|
DEBUG_ERROR("Failed to initialize the damage display");
|
|
return false;
|
|
}
|
|
|
|
if (!ImGui_ImplOpenGL3_Init("#version 300 es"))
|
|
{
|
|
DEBUG_ERROR("Failed to initialize ImGui");
|
|
return false;
|
|
}
|
|
|
|
this->imgui = true;
|
|
return true;
|
|
}
|
|
|
|
bool egl_render(void * opaque, LG_RendererRotate rotate, const bool newFrame,
|
|
const bool invalidateWindow)
|
|
{
|
|
struct Inst * this = (struct Inst *)opaque;
|
|
|
|
glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
|
|
glClear(GL_COLOR_BUFFER_BIT);
|
|
|
|
bool hasOverlay = false;
|
|
struct CursorState cursorState = { .visible = false };
|
|
struct DesktopDamage * desktopDamage = NULL;
|
|
|
|
if (this->start)
|
|
{
|
|
desktopDamage = atomic_exchange(&this->desktopDamage, NULL);
|
|
if (egl_desktop_render(this->desktop,
|
|
this->translateX, this->translateY,
|
|
this->scaleX , this->scaleY ,
|
|
this->scaleType , rotate))
|
|
{
|
|
if (!this->waitFadeTime)
|
|
{
|
|
if (!this->params.quickSplash)
|
|
this->waitFadeTime = microtime() + SPLASH_FADE_TIME;
|
|
else
|
|
this->waitDone = true;
|
|
}
|
|
|
|
cursorState = egl_cursor_render(this->cursor,
|
|
(this->format.rotate + rotate) % LG_ROTATE_MAX,
|
|
this->width, this->height);
|
|
}
|
|
else
|
|
desktopDamage->count = 0;
|
|
}
|
|
|
|
if (!this->waitDone)
|
|
{
|
|
float a = 1.0f;
|
|
if (!this->waitFadeTime)
|
|
a = 1.0f;
|
|
else
|
|
{
|
|
uint64_t t = microtime();
|
|
if (t > this->waitFadeTime)
|
|
this->waitDone = true;
|
|
else
|
|
{
|
|
uint64_t delta = this->waitFadeTime - t;
|
|
a = 1.0f / SPLASH_FADE_TIME * delta;
|
|
}
|
|
}
|
|
|
|
if (!this->waitDone)
|
|
{
|
|
egl_splash_render(this->splash, a, this->splashRatio);
|
|
hasOverlay = true;
|
|
}
|
|
}
|
|
else if (!this->start)
|
|
{
|
|
egl_splash_render(this->splash, 1.0f, this->splashRatio);
|
|
hasOverlay = true;
|
|
}
|
|
|
|
if (desktopDamage && rotate != LG_ROTATE_0)
|
|
{
|
|
for (int i = 0; i < desktopDamage->count; ++i)
|
|
{
|
|
FrameDamageRect * r = desktopDamage->rects + i;
|
|
|
|
switch (rotate)
|
|
{
|
|
case LG_ROTATE_90:
|
|
*r = (FrameDamageRect) {
|
|
.x = this->format.height - r->y - r->height,
|
|
.y = r->x,
|
|
.width = r->height,
|
|
.height = r->width,
|
|
};
|
|
break;
|
|
|
|
case LG_ROTATE_180:
|
|
r->x = this->format.width - r->x - r->width;
|
|
r->y = this->format.height - r->y - r->height;
|
|
break;
|
|
|
|
case LG_ROTATE_270:
|
|
*r = (FrameDamageRect) {
|
|
.x = r->y,
|
|
.y = this->format.width - r->x - r->width,
|
|
.width = r->height,
|
|
.height = r->width,
|
|
};
|
|
break;
|
|
|
|
case LG_ROTATE_0:
|
|
default:
|
|
assert(!"unreachable");
|
|
}
|
|
}
|
|
}
|
|
|
|
double scaleX = 0;
|
|
double scaleY = 0;
|
|
bool rotated = false;
|
|
|
|
switch (rotate)
|
|
{
|
|
case LG_ROTATE_0:
|
|
case LG_ROTATE_180:
|
|
scaleX = (double) this->destRect.w / this->format.width;
|
|
scaleY = (double) this->destRect.h / this->format.height;
|
|
rotated = false;
|
|
break;
|
|
|
|
case LG_ROTATE_90:
|
|
case LG_ROTATE_270:
|
|
scaleX = (double) this->destRect.w / this->format.height;
|
|
scaleY = (double) this->destRect.h / this->format.width;
|
|
rotated = true;
|
|
break;
|
|
|
|
default:
|
|
assert(!"unreachable");
|
|
}
|
|
|
|
hasOverlay |= egl_damage_render(this->damage, rotated, newFrame ? desktopDamage : NULL);
|
|
hasOverlay |= invalidateWindow;
|
|
|
|
struct Rect damage[KVMFR_MAX_DAMAGE_RECTS + MAX_OVERLAY_RECTS + 2];
|
|
int damageIdx = app_renderOverlay(damage, MAX_OVERLAY_RECTS);
|
|
|
|
switch (damageIdx)
|
|
{
|
|
case 0: // no overlay
|
|
break;
|
|
case -1: // full damage
|
|
hasOverlay = true;
|
|
// fallthrough
|
|
default:
|
|
ImGui_ImplOpenGL3_NewFrame();
|
|
ImGui_ImplOpenGL3_RenderDrawData(igGetDrawData());
|
|
|
|
for (int i = 0; i < damageIdx; ++i)
|
|
damage[i].y = this->height - damage[i].y - damage[i].h;
|
|
}
|
|
|
|
if (!hasOverlay && !this->hadOverlay)
|
|
{
|
|
if (this->cursorLast.visible)
|
|
damage[damageIdx++] = this->cursorLast.rect;
|
|
|
|
if (cursorState.visible)
|
|
damage[damageIdx++] = cursorState.rect;
|
|
|
|
this->cursorLast = cursorState;
|
|
|
|
if (desktopDamage)
|
|
{
|
|
if (desktopDamage->count == 0)
|
|
// Zero damage count means invalidating entire window.
|
|
damageIdx = 0;
|
|
else
|
|
{
|
|
for (int i = 0; i < desktopDamage->count; ++i)
|
|
{
|
|
FrameDamageRect rect = desktopDamage->rects[i];
|
|
int x1 = (int) (rect.x * scaleX);
|
|
int y1 = (int) (rect.y * scaleY);
|
|
int x2 = (int) ceil((rect.x + rect.width) * scaleX);
|
|
int y2 = (int) ceil((rect.y + rect.height) * scaleY);
|
|
damage[damageIdx++] = (struct Rect) {
|
|
.x = this->destRect.x + x1,
|
|
.y = this->height - (this->destRect.y + y2),
|
|
.w = x2 - x1,
|
|
.h = y2 - y1,
|
|
};
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else
|
|
damageIdx = 0;
|
|
this->hadOverlay = hasOverlay;
|
|
free(desktopDamage);
|
|
|
|
app_eglSwapBuffers(this->display, this->surface, damage, damageIdx);
|
|
return true;
|
|
}
|
|
|
|
struct LG_Renderer LGR_EGL =
|
|
{
|
|
.get_name = egl_get_name,
|
|
.setup = egl_setup,
|
|
.create = egl_create,
|
|
.initialize = egl_initialize,
|
|
.deinitialize = egl_deinitialize,
|
|
.supports = egl_supports,
|
|
.on_restart = egl_on_restart,
|
|
.on_resize = egl_on_resize,
|
|
.on_mouse_shape = egl_on_mouse_shape,
|
|
.on_mouse_event = egl_on_mouse_event,
|
|
.on_frame_format = egl_on_frame_format,
|
|
.on_frame = egl_on_frame,
|
|
.render_startup = egl_render_startup,
|
|
.render = egl_render
|
|
};
|