mirror of
https://github.com/gnif/LookingGlass.git
synced 2024-11-10 08:38:20 +00:00
13cd50f92c
We only use multisample to smooth out the edges of the LG logo, it is pointless to leave it on after the logo is gone.
1444 lines
37 KiB
C
1444 lines
37 KiB
C
/*
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Looking Glass - KVM FrameRelay (KVMFR) Client
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Copyright (C) 2017 Geoffrey McRae <geoff@hostfission.com>
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https://looking-glass.hostfission.com
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This program is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free Software
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Foundation; either version 2 of the License, or (at your option) any later
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version.
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This program is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
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PARTICULAR PURPOSE. See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along with
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this program; if not, write to the Free Software Foundation, Inc., 59 Temple
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Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "lg-renderer.h"
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#include <stdint.h>
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#include <stdbool.h>
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#include <unistd.h>
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#include <malloc.h>
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#include <math.h>
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#include <SDL2/SDL_ttf.h>
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#define GL_GLEXT_PROTOTYPES
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#include <GL/gl.h>
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#include <GL/glu.h>
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#include <GL/glx.h>
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#include "debug.h"
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#include "utils.h"
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#include "lg-decoders.h"
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#include "ll.h"
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#define BUFFER_COUNT 2
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#define FPS_TEXTURE 0
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#define MOUSE_TEXTURE 1
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#define ALERT_TEXTURE 2
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#define TEXTURE_COUNT 3
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#define ALERT_TIMEOUT_FLAG ((uint64_t)-1)
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#define FADE_TIME 1000000
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struct Options
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{
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bool mipmap;
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bool vsync;
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bool preventBuffer;
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bool amdPinnedMem;
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};
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static struct Options defaultOptions =
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{
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.mipmap = true,
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.vsync = true,
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.preventBuffer = true,
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.amdPinnedMem = true,
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};
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struct Alert
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{
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bool ready;
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bool useCloseFlag;
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SDL_Surface *text;
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float r, g, b, a;
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uint64_t timeout;
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bool closeFlag;
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};
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struct Inst
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{
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LG_RendererParams params;
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struct Options opt;
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bool amdPinnedMemSupport;
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bool preConfigured;
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bool configured;
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bool reconfigure;
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SDL_GLContext glContext;
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SDL_Point window;
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bool resizeWindow;
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bool frameUpdate;
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LG_Lock formatLock;
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LG_RendererFormat format;
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GLuint intFormat;
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GLuint vboFormat;
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size_t texSize;
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const LG_Decoder* decoder;
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void * decoderData;
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uint64_t drawStart;
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bool hasBuffers;
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GLuint vboID[BUFFER_COUNT];
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uint8_t * texPixels[BUFFER_COUNT];
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LG_Lock syncLock;
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bool texReady;
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int texIndex;
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int texList;
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int fpsList;
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int mouseList;
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LG_RendererRect destRect;
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bool hasTextures, hasFrames;
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GLuint frames[BUFFER_COUNT];
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GLsync fences[BUFFER_COUNT];
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void * decoderFrames[BUFFER_COUNT];
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GLuint textures[TEXTURE_COUNT];
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struct ll * alerts;
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int alertList;
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bool waiting;
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uint64_t waitFadeTime;
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bool waitDone;
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bool fpsTexture;
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uint64_t lastFrameTime;
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uint64_t renderTime;
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uint64_t frameCount;
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uint64_t renderCount;
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SDL_Rect fpsRect;
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LG_Lock mouseLock;
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LG_RendererCursor mouseCursor;
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int mouseWidth;
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int mouseHeight;
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int mousePitch;
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uint8_t * mouseData;
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size_t mouseDataSize;
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bool mouseUpdate;
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bool newShape;
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uint64_t lastMouseDraw;
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LG_RendererCursor mouseType;
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bool mouseVisible;
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SDL_Rect mousePos;
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};
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static bool _check_gl_error(unsigned int line, const char * name);
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#define check_gl_error(name) _check_gl_error(__LINE__, name)
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static void deconfigure(struct Inst * this);
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static bool pre_configure(struct Inst * this, SDL_Window *window);
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static bool configure(struct Inst * this, SDL_Window *window);
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static void update_mouse_shape(struct Inst * this, bool * newShape);
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static bool draw_frame(struct Inst * this);
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static void draw_mouse(struct Inst * this);
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static void render_wait(struct Inst * this);
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const char * opengl_get_name()
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{
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return "OpenGL";
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}
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bool opengl_create(void ** opaque, const LG_RendererParams params)
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{
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// create our local storage
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*opaque = malloc(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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memset(*opaque, 0, sizeof(struct Inst));
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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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memcpy(&this->opt , &defaultOptions, sizeof(struct Options ));
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LG_LOCK_INIT(this->formatLock);
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LG_LOCK_INIT(this->syncLock );
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LG_LOCK_INIT(this->mouseLock );
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this->alerts = ll_new();
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return true;
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}
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bool opengl_initialize(void * opaque, Uint32 * sdlFlags)
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{
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struct Inst * this = (struct Inst *)opaque;
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if (!this)
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return false;
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this->waiting = true;
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this->waitDone = false;
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*sdlFlags = SDL_WINDOW_OPENGL;
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SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER , 1);
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SDL_GL_SetAttribute(SDL_GL_MULTISAMPLEBUFFERS, 1);
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SDL_GL_SetAttribute(SDL_GL_MULTISAMPLESAMPLES, 4);
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return true;
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}
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void opengl_deinitialize(void * opaque)
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{
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struct Inst * this = (struct Inst *)opaque;
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if (!this)
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return;
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if (this->preConfigured)
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{
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glDeleteLists(this->texList , BUFFER_COUNT);
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glDeleteLists(this->mouseList, 1);
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glDeleteLists(this->fpsList , 1);
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glDeleteLists(this->alertList, 1);
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}
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deconfigure(this);
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if (this->mouseData)
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free(this->mouseData);
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if (this->glContext)
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{
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SDL_GL_DeleteContext(this->glContext);
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this->glContext = NULL;
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}
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LG_LOCK_FREE(this->formatLock);
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LG_LOCK_FREE(this->syncLock );
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LG_LOCK_FREE(this->mouseLock );
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struct Alert * alert;
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while(ll_shift(this->alerts, (void **)&alert))
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{
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if (alert->text)
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SDL_FreeSurface(alert->text);
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free(alert);
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}
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ll_free(this->alerts);
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free(this);
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}
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void opengl_on_resize(void * opaque, const int width, const int height, const LG_RendererRect destRect)
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{
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struct Inst * this = (struct Inst *)opaque;
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if (!this)
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return;
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this->window.x = width;
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this->window.y = height;
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if (destRect.valid)
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memcpy(&this->destRect, &destRect, sizeof(LG_RendererRect));
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this->resizeWindow = true;
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}
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bool opengl_on_mouse_shape(void * opaque, const LG_RendererCursor cursor, const int width, const int height, 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 (!this)
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return false;
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LG_LOCK(this->mouseLock);
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this->mouseCursor = cursor;
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this->mouseWidth = width;
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this->mouseHeight = height;
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this->mousePitch = pitch;
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const size_t size = height * pitch;
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if (size > this->mouseDataSize)
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{
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if (this->mouseData)
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free(this->mouseData);
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this->mouseData = (uint8_t *)malloc(size);
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this->mouseDataSize = size;
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}
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memcpy(this->mouseData, data, size);
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this->newShape = true;
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LG_UNLOCK(this->mouseLock);
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return true;
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}
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bool opengl_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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if (!this)
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return false;
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if (this->mousePos.x == x && this->mousePos.y == y && this->mouseVisible == visible)
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return true;
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this->mouseVisible = visible;
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this->mousePos.x = x;
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this->mousePos.y = y;
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this->mouseUpdate = true;
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return false;
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}
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bool opengl_on_frame_event(void * opaque, const LG_RendererFormat format, const uint8_t * data)
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{
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struct Inst * this = (struct Inst *)opaque;
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if (!this)
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{
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DEBUG_ERROR("Invalid opaque pointer");
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return false;
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}
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LG_LOCK(this->formatLock);
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if (this->reconfigure)
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{
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LG_UNLOCK(this->formatLock);
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return true;
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}
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if (!this->configured ||
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this->format.type != format.type ||
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this->format.width != format.width ||
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this->format.height != format.height ||
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this->format.stride != format.stride ||
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this->format.bpp != format.bpp
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)
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{
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memcpy(&this->format, &format, sizeof(LG_RendererFormat));
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this->reconfigure = true;
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LG_UNLOCK(this->formatLock);
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return true;
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}
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LG_UNLOCK(this->formatLock);
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LG_LOCK(this->syncLock);
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if (!this->decoder->decode(this->decoderData, data, format.pitch))
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{
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DEBUG_ERROR("decode returned failure");
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LG_UNLOCK(this->syncLock);
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return false;
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}
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this->frameUpdate = true;
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LG_UNLOCK(this->syncLock);
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if (this->waiting)
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{
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this->waiting = false;
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this->waitFadeTime = microtime() + FADE_TIME;
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}
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++this->frameCount;
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return true;
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}
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void opengl_on_alert(void * opaque, const LG_RendererAlert alert, const char * message, bool ** closeFlag)
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{
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struct Inst * this = (struct Inst *)opaque;
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struct Alert * a = malloc(sizeof(struct Alert));
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memset(a, 0, sizeof(struct Alert));
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const SDL_Color color = {0xff, 0xff, 0xff};
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switch(alert)
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{
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case LG_ALERT_INFO:
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a->r = 0.0f;
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a->g = 0.0f;
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a->b = 0.8f;
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a->a = 0.8f;
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break;
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case LG_ALERT_SUCCESS:
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a->r = 0.0f;
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a->g = 0.8f;
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a->b = 0.0f;
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a->a = 0.8f;
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break;
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case LG_ALERT_WARNING:
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a->r = 0.8f;
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a->g = 0.5f;
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a->b = 0.0f;
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a->a = 0.8f;
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break;
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case LG_ALERT_ERROR:
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a->r = 1.0f;
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a->g = 0.0f;
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a->b = 0.0f;
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a->a = 0.8f;
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break;
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}
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if (!(a->text = TTF_RenderText_Blended(this->params.alertFont, message, color)))
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{
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DEBUG_ERROR("Failed to render alert text: %s", TTF_GetError());
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free(a);
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return;
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}
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if (closeFlag)
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{
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a->useCloseFlag = true;
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*closeFlag = &a->closeFlag;
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}
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ll_push(this->alerts, a);
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}
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void surface_to_texture(SDL_Surface * surface, GLuint texture)
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{
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glBindTexture(GL_TEXTURE_2D , texture );
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glPixelStorei(GL_UNPACK_ALIGNMENT , 4 );
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glPixelStorei(GL_UNPACK_ROW_LENGTH, surface->w);
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glTexImage2D(
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GL_TEXTURE_2D,
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0,
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surface->format->BytesPerPixel,
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surface->w,
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surface->h,
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0,
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GL_BGRA,
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GL_UNSIGNED_BYTE,
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surface->pixels
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);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
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glBindTexture(GL_TEXTURE_2D, 0);
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}
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bool opengl_render(void * opaque, SDL_Window * window)
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{
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struct Inst * this = (struct Inst *)opaque;
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if (!this)
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return false;
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if (!pre_configure(this, window))
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return false;
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if (this->resizeWindow)
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{
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// setup the projection matrix
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glViewport(0, 0, this->window.x, this->window.y);
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glMatrixMode(GL_PROJECTION);
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glLoadIdentity();
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gluOrtho2D(0, this->window.x, this->window.y, 0);
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glMatrixMode(GL_MODELVIEW);
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glLoadIdentity();
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if (this->destRect.valid)
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{
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glTranslatef(this->destRect.x, this->destRect.y, 0.0f);
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glScalef(
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(float)this->destRect.w / (float)this->format.width,
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(float)this->destRect.h / (float)this->format.height,
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1.0f
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);
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}
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this->resizeWindow = false;
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}
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if (configure(this, window))
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if (!draw_frame(this))
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return false;
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if (this->params.showFPS && this->renderTime > 1e9)
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{
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char str[128];
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const float avgFPS = 1000.0f / (((float)this->renderTime / this->frameCount ) / 1e6f);
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const float renderFPS = 1000.0f / (((float)this->renderTime / this->renderCount) / 1e6f);
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snprintf(str, sizeof(str), "UPS: %8.4f, FPS: %8.4f", avgFPS, renderFPS);
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const SDL_Color color = {0xff, 0xff, 0xff};
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SDL_Surface *textSurface = NULL;
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if (!(textSurface = TTF_RenderText_Blended(this->params.font, str, color)))
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{
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DEBUG_ERROR("Failed to render text: %s", TTF_GetError());
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LG_UNLOCK(this->formatLock);
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return false;
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}
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surface_to_texture(textSurface, this->textures[FPS_TEXTURE]);
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this->fpsRect.x = 5;
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this->fpsRect.y = 5;
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this->fpsRect.w = textSurface->w;
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this->fpsRect.h = textSurface->h;
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SDL_FreeSurface(textSurface);
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this->renderTime = 0;
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this->frameCount = 0;
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this->renderCount = 0;
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this->fpsTexture = true;
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glNewList(this->fpsList, GL_COMPILE);
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glPushMatrix();
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glLoadIdentity();
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glEnable(GL_BLEND);
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glDisable(GL_TEXTURE_2D);
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glColor4f(0.0f, 0.0f, 1.0f, 0.5f);
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glBegin(GL_TRIANGLE_STRIP);
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glVertex2i(this->fpsRect.x , this->fpsRect.y );
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glVertex2i(this->fpsRect.x + this->fpsRect.w, this->fpsRect.y );
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glVertex2i(this->fpsRect.x , this->fpsRect.y + this->fpsRect.h);
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glVertex2i(this->fpsRect.x + this->fpsRect.w, this->fpsRect.y + this->fpsRect.h);
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glEnd();
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glEnable(GL_TEXTURE_2D);
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glBindTexture(GL_TEXTURE_2D, this->textures[FPS_TEXTURE]);
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glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
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glBegin(GL_TRIANGLE_STRIP);
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glTexCoord2f(0.0f , 0.0f); glVertex2i(this->fpsRect.x , this->fpsRect.y );
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glTexCoord2f(1.0f , 0.0f); glVertex2i(this->fpsRect.x + this->fpsRect.w, this->fpsRect.y );
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glTexCoord2f(0.0f , 1.0f); glVertex2i(this->fpsRect.x , this->fpsRect.y + this->fpsRect.h);
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glTexCoord2f(1.0f, 1.0f); glVertex2i(this->fpsRect.x + this->fpsRect.w, this->fpsRect.y + this->fpsRect.h);
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glEnd();
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glBindTexture(GL_TEXTURE_2D, 0);
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glDisable(GL_BLEND);
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glPopMatrix();
|
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glEndList();
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}
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glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
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glClear(GL_COLOR_BUFFER_BIT);
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if (this->waiting)
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render_wait(this);
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else
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{
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bool newShape;
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update_mouse_shape(this, &newShape);
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glCallList(this->texList + this->texIndex);
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draw_mouse(this);
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if (!this->waitDone)
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render_wait(this);
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|
}
|
|
|
|
if (this->fpsTexture)
|
|
glCallList(this->fpsList);
|
|
|
|
struct Alert * alert;
|
|
while(ll_peek_head(this->alerts, (void **)&alert))
|
|
{
|
|
if (!alert->ready)
|
|
{
|
|
surface_to_texture(alert->text, this->textures[ALERT_TEXTURE]);
|
|
|
|
glNewList(this->alertList, GL_COMPILE);
|
|
const int p = 4;
|
|
const int w = alert->text->w + p * 2;
|
|
const int h = alert->text->h + p * 2;
|
|
glTranslatef(-(w / 2), -(h / 2), 0.0f);
|
|
glEnable(GL_BLEND);
|
|
glDisable(GL_TEXTURE_2D);
|
|
glColor4f(alert->r, alert->g, alert->b, alert->a);
|
|
glBegin(GL_TRIANGLE_STRIP);
|
|
glVertex2i(0, 0);
|
|
glVertex2i(w, 0);
|
|
glVertex2i(0, h);
|
|
glVertex2i(w, h);
|
|
glEnd();
|
|
glEnable(GL_TEXTURE_2D);
|
|
glBindTexture(GL_TEXTURE_2D, this->textures[ALERT_TEXTURE]);
|
|
glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
|
|
glTranslatef(p, p, 0.0f);
|
|
glBegin(GL_TRIANGLE_STRIP);
|
|
glTexCoord2f(0.0f, 0.0f); glVertex2i(0 , 0 );
|
|
glTexCoord2f(1.0f, 0.0f); glVertex2i(alert->text->w, 0 );
|
|
glTexCoord2f(0.0f, 1.0f); glVertex2i(0 , alert->text->h);
|
|
glTexCoord2f(1.0f, 1.0f); glVertex2i(alert->text->w, alert->text->h);
|
|
glEnd();
|
|
glBindTexture(GL_TEXTURE_2D, 0);
|
|
glDisable(GL_BLEND);
|
|
glEndList();
|
|
|
|
if (!alert->useCloseFlag)
|
|
alert->timeout = microtime() + 2*1000000;
|
|
alert->ready = true;
|
|
|
|
SDL_FreeSurface(alert->text);
|
|
alert->text = NULL;
|
|
alert->ready = true;
|
|
}
|
|
else
|
|
{
|
|
bool close = false;
|
|
if (alert->useCloseFlag)
|
|
close = alert->closeFlag;
|
|
else if (alert->timeout < microtime())
|
|
close = true;
|
|
|
|
if (close)
|
|
{
|
|
free(alert);
|
|
ll_shift(this->alerts, NULL);
|
|
continue;
|
|
}
|
|
}
|
|
|
|
glPushMatrix();
|
|
glLoadIdentity();
|
|
glTranslatef(this->window.x / 2, this->window.y / 2, 0.0f);
|
|
glCallList(this->alertList);
|
|
glPopMatrix();
|
|
break;
|
|
}
|
|
|
|
if (this->opt.preventBuffer)
|
|
{
|
|
SDL_GL_SwapWindow(window);
|
|
glFinish();
|
|
}
|
|
else
|
|
SDL_GL_SwapWindow(window);
|
|
|
|
const uint64_t t = nanotime();
|
|
this->renderTime += t - this->lastFrameTime;
|
|
this->lastFrameTime = t;
|
|
++this->renderCount;
|
|
|
|
this->mouseUpdate = false;
|
|
this->lastMouseDraw = t;
|
|
return true;
|
|
}
|
|
|
|
void draw_torus(float x, float y, float inner, float outer, unsigned int pts)
|
|
{
|
|
glBegin(GL_QUAD_STRIP);
|
|
for (unsigned int i = 0; i <= pts; ++i)
|
|
{
|
|
float angle = (i / (float)pts) * M_PI * 2.0f;
|
|
glVertex2f(x + (inner * cos(angle)), y + (inner * sin(angle)));
|
|
glVertex2f(x + (outer * cos(angle)), y + (outer * sin(angle)));
|
|
}
|
|
glEnd();
|
|
}
|
|
|
|
void draw_torus_arc(float x, float y, float inner, float outer, unsigned int pts, float s, float e)
|
|
{
|
|
glBegin(GL_QUAD_STRIP);
|
|
for (unsigned int i = 0; i <= pts; ++i)
|
|
{
|
|
float angle = s + ((i / (float)pts) * e);
|
|
glVertex2f(x + (inner * cos(angle)), y + (inner * sin(angle)));
|
|
glVertex2f(x + (outer * cos(angle)), y + (outer * sin(angle)));
|
|
}
|
|
glEnd();
|
|
}
|
|
|
|
static void render_wait(struct Inst * this)
|
|
{
|
|
float a;
|
|
if (this->waiting)
|
|
a = 1.0f;
|
|
else
|
|
{
|
|
uint64_t t = microtime();
|
|
if (t > this->waitFadeTime)
|
|
{
|
|
glDisable(GL_MULTISAMPLE);
|
|
this->waitDone = true;
|
|
return;
|
|
}
|
|
|
|
uint64_t delta = this->waitFadeTime - t;
|
|
a = 1.0f / FADE_TIME * delta;
|
|
}
|
|
|
|
glEnable(GL_BLEND);
|
|
glPushMatrix();
|
|
glLoadIdentity();
|
|
glTranslatef(this->window.x / 2.0f, this->window.y / 2.0f, 0.0f);
|
|
|
|
//draw the background gradient
|
|
glBegin(GL_TRIANGLE_FAN);
|
|
glColor4f(0.234375f, 0.015625f, 0.425781f, a);
|
|
glVertex2f(0, 0);
|
|
glColor4f(0, 0, 0, a);
|
|
for (unsigned int i = 0; i <= 100; ++i)
|
|
{
|
|
float angle = (i / (float)100) * M_PI * 2.0f;
|
|
glVertex2f(cos(angle) * this->window.x, sin(angle) * this->window.y);
|
|
}
|
|
glEnd();
|
|
|
|
// draw the logo
|
|
glColor4f(1.0f, 1.0f, 1.0f, a);
|
|
glScalef (2.0f, 2.0f, 1.0f);
|
|
|
|
draw_torus ( 0, 0, 40, 42, 60);
|
|
draw_torus ( 0, 0, 32, 34, 60);
|
|
draw_torus (-50, -3, 2, 4, 30);
|
|
draw_torus ( 50, -3, 2, 4, 30);
|
|
draw_torus_arc( 0, 0, 51, 49, 60, 0.0f, M_PI);
|
|
|
|
glBegin(GL_QUADS);
|
|
glVertex2f(-1 , 50);
|
|
glVertex2f(-1 , 76);
|
|
glVertex2f( 1 , 76);
|
|
glVertex2f( 1 , 50);
|
|
glVertex2f(-14, 76);
|
|
glVertex2f(-14, 78);
|
|
glVertex2f( 14, 78);
|
|
glVertex2f( 14, 76);
|
|
glVertex2f(-21, 83);
|
|
glVertex2f(-21, 85);
|
|
glVertex2f( 21, 85);
|
|
glVertex2f( 21, 83);
|
|
glEnd();
|
|
|
|
draw_torus_arc(-14, 83, 5, 7, 10, M_PI , M_PI / 2.0f);
|
|
draw_torus_arc( 14, 83, 5, 7, 10, M_PI * 1.5f, M_PI / 2.0f);
|
|
|
|
//FIXME: draw the diagnoal marks on the circle
|
|
|
|
glPopMatrix();
|
|
glDisable(GL_BLEND);
|
|
}
|
|
|
|
static void handle_opt_mipmap(void * opaque, const char *value)
|
|
{
|
|
struct Inst * this = (struct Inst *)opaque;
|
|
if (!this)
|
|
return;
|
|
|
|
this->opt.mipmap = LG_RendererValueToBool(value);
|
|
}
|
|
|
|
static void handle_opt_vsync(void * opaque, const char *value)
|
|
{
|
|
struct Inst * this = (struct Inst *)opaque;
|
|
if (!this)
|
|
return;
|
|
|
|
this->opt.vsync = LG_RendererValueToBool(value);
|
|
}
|
|
|
|
static void handle_opt_prevent_buffer(void * opaque, const char *value)
|
|
{
|
|
struct Inst * this = (struct Inst *)opaque;
|
|
if (!this)
|
|
return;
|
|
|
|
this->opt.preventBuffer = LG_RendererValueToBool(value);
|
|
}
|
|
|
|
static void handle_opt_amd_pinned_mem(void * opaque, const char *value)
|
|
{
|
|
struct Inst * this = (struct Inst *)opaque;
|
|
if (!this)
|
|
return;
|
|
|
|
this->opt.amdPinnedMem = LG_RendererValueToBool(value);
|
|
}
|
|
|
|
|
|
static LG_RendererOpt opengl_options[] =
|
|
{
|
|
{
|
|
.name = "mipmap",
|
|
.desc = "Enable or disable mipmapping [default: enabled]",
|
|
.validator = LG_RendererValidatorBool,
|
|
.handler = handle_opt_mipmap
|
|
},
|
|
{
|
|
.name = "vsync",
|
|
.desc ="Enable or disable vsync [default: enabled]",
|
|
.validator = LG_RendererValidatorBool,
|
|
.handler = handle_opt_vsync
|
|
},
|
|
{
|
|
.name = "preventBuffer",
|
|
.desc = "Prevent the driver from buffering frames [default: disabled]",
|
|
.validator = LG_RendererValidatorBool,
|
|
.handler = handle_opt_prevent_buffer
|
|
},
|
|
{
|
|
.name = "amdPinnedMem",
|
|
.desc = "Use GL_AMD_pinned_memory if it is available [default: enabled]",
|
|
.validator = LG_RendererValidatorBool,
|
|
.handler = handle_opt_amd_pinned_mem
|
|
}
|
|
};
|
|
|
|
const LG_Renderer LGR_OpenGL =
|
|
{
|
|
.get_name = opengl_get_name,
|
|
.options = opengl_options,
|
|
.option_count = LGR_OPTION_COUNT(opengl_options),
|
|
.create = opengl_create,
|
|
.initialize = opengl_initialize,
|
|
.deinitialize = opengl_deinitialize,
|
|
.on_resize = opengl_on_resize,
|
|
.on_mouse_shape = opengl_on_mouse_shape,
|
|
.on_mouse_event = opengl_on_mouse_event,
|
|
.on_frame_event = opengl_on_frame_event,
|
|
.on_alert = opengl_on_alert,
|
|
.render = opengl_render
|
|
};
|
|
|
|
static bool _check_gl_error(unsigned int line, const char * name)
|
|
{
|
|
GLenum error = glGetError();
|
|
if (error == GL_NO_ERROR)
|
|
return false;
|
|
|
|
const GLubyte * errStr = gluErrorString(error);
|
|
DEBUG_ERROR("%d: %s = %d (%s)", line, name, error, errStr);
|
|
return true;
|
|
}
|
|
|
|
static bool pre_configure(struct Inst * this, SDL_Window *window)
|
|
{
|
|
if (this->preConfigured)
|
|
return true;
|
|
|
|
this->glContext = SDL_GL_CreateContext(window);
|
|
if (!this->glContext)
|
|
{
|
|
DEBUG_ERROR("Failed to create the OpenGL context");
|
|
return false;
|
|
}
|
|
|
|
DEBUG_INFO("Vendor : %s", glGetString(GL_VENDOR ));
|
|
DEBUG_INFO("Renderer: %s", glGetString(GL_RENDERER));
|
|
DEBUG_INFO("Version : %s", glGetString(GL_VERSION ));
|
|
|
|
GLint n;
|
|
glGetIntegerv(GL_NUM_EXTENSIONS, &n);
|
|
for(GLint i = 0; i < n; ++i)
|
|
{
|
|
const GLubyte *ext = glGetStringi(GL_EXTENSIONS, i);
|
|
if (strcmp((const char *)ext, "GL_AMD_pinned_memory") == 0)
|
|
{
|
|
if (this->opt.amdPinnedMem)
|
|
{
|
|
this->amdPinnedMemSupport = true;
|
|
DEBUG_INFO("Using GL_AMD_pinned_memory");
|
|
}
|
|
else
|
|
DEBUG_INFO("GL_AMD_pinned_memory is available but not in use");
|
|
break;
|
|
}
|
|
}
|
|
|
|
glEnable(GL_TEXTURE_2D);
|
|
glEnable(GL_COLOR_MATERIAL);
|
|
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
|
|
glBlendEquation(GL_FUNC_ADD);
|
|
glEnable(GL_MULTISAMPLE);
|
|
|
|
// generate lists for drawing
|
|
this->texList = glGenLists(BUFFER_COUNT);
|
|
this->mouseList = glGenLists(1);
|
|
this->fpsList = glGenLists(1);
|
|
this->alertList = glGenLists(1);
|
|
|
|
// create the overlay textures
|
|
glGenTextures(TEXTURE_COUNT, this->textures);
|
|
if (check_gl_error("glGenTextures"))
|
|
{
|
|
LG_UNLOCK(this->formatLock);
|
|
return false;
|
|
}
|
|
this->hasTextures = true;
|
|
|
|
SDL_GL_SetSwapInterval(this->opt.vsync ? 1 : 0);
|
|
this->preConfigured = true;
|
|
return true;
|
|
}
|
|
|
|
static bool configure(struct Inst * this, SDL_Window *window)
|
|
{
|
|
LG_LOCK(this->formatLock);
|
|
if (!this->reconfigure)
|
|
{
|
|
LG_UNLOCK(this->formatLock);
|
|
return this->configured;
|
|
}
|
|
|
|
if (this->configured)
|
|
deconfigure(this);
|
|
|
|
switch(this->format.type)
|
|
{
|
|
case FRAME_TYPE_ARGB:
|
|
this->decoder = &LGD_NULL;
|
|
break;
|
|
|
|
case FRAME_TYPE_YUV420:
|
|
this->decoder = &LGD_YUV420;
|
|
break;
|
|
|
|
default:
|
|
DEBUG_ERROR("Unknown/unsupported compression type");
|
|
return false;
|
|
}
|
|
|
|
DEBUG_INFO("Using decoder: %s", this->decoder->name);
|
|
|
|
if (!this->decoder->create(&this->decoderData))
|
|
{
|
|
DEBUG_ERROR("Failed to create the decoder");
|
|
return false;
|
|
}
|
|
|
|
if (!this->decoder->initialize(
|
|
this->decoderData,
|
|
this->format,
|
|
window))
|
|
{
|
|
DEBUG_ERROR("Failed to initialize decoder");
|
|
return false;
|
|
}
|
|
|
|
switch(this->decoder->get_out_format(this->decoderData))
|
|
{
|
|
case LG_OUTPUT_BGRA:
|
|
this->intFormat = GL_RGBA8;
|
|
this->vboFormat = GL_BGRA;
|
|
break;
|
|
|
|
case LG_OUTPUT_YUV420:
|
|
// fixme
|
|
this->intFormat = GL_RGBA8;
|
|
this->vboFormat = GL_BGRA;
|
|
break;
|
|
|
|
default:
|
|
DEBUG_ERROR("Format not supported");
|
|
LG_UNLOCK(this->formatLock);
|
|
return false;
|
|
}
|
|
|
|
// calculate the texture size in bytes
|
|
this->texSize =
|
|
this->format.height *
|
|
this->decoder->get_frame_pitch(this->decoderData);
|
|
|
|
// generate the pixel unpack buffers if the decoder isn't going to do it for us
|
|
if (!this->decoder->has_gl)
|
|
{
|
|
glGenBuffers(BUFFER_COUNT, this->vboID);
|
|
if (check_gl_error("glGenBuffers"))
|
|
{
|
|
LG_UNLOCK(this->formatLock);
|
|
return false;
|
|
}
|
|
this->hasBuffers = true;
|
|
|
|
if (this->amdPinnedMemSupport)
|
|
{
|
|
const int pagesize = getpagesize();
|
|
this->texPixels[0] = memalign(pagesize, this->texSize * BUFFER_COUNT);
|
|
memset(this->texPixels[0], 0, this->texSize * BUFFER_COUNT);
|
|
for(int i = 1; i < BUFFER_COUNT; ++i)
|
|
this->texPixels[i] = this->texPixels[0] + this->texSize;
|
|
|
|
for(int i = 0; i < BUFFER_COUNT; ++i)
|
|
{
|
|
glBindBuffer(GL_EXTERNAL_VIRTUAL_MEMORY_BUFFER_AMD, this->vboID[i]);
|
|
|
|
if (check_gl_error("glBindBuffer"))
|
|
{
|
|
LG_UNLOCK(this->formatLock);
|
|
return false;
|
|
}
|
|
glBufferData(
|
|
GL_EXTERNAL_VIRTUAL_MEMORY_BUFFER_AMD,
|
|
this->texSize,
|
|
this->texPixels[i],
|
|
GL_STREAM_DRAW);
|
|
|
|
if (check_gl_error("glBufferData"))
|
|
{
|
|
LG_UNLOCK(this->formatLock);
|
|
return false;
|
|
}
|
|
}
|
|
glBindBuffer(GL_EXTERNAL_VIRTUAL_MEMORY_BUFFER_AMD, 0);
|
|
}
|
|
else
|
|
{
|
|
for(int i = 0; i < BUFFER_COUNT; ++i)
|
|
{
|
|
glBindBuffer(GL_PIXEL_UNPACK_BUFFER, this->vboID[i]);
|
|
if (check_gl_error("glBindBuffer"))
|
|
{
|
|
LG_UNLOCK(this->formatLock);
|
|
return false;
|
|
}
|
|
|
|
glBufferData(
|
|
GL_PIXEL_UNPACK_BUFFER,
|
|
this->texSize,
|
|
NULL,
|
|
GL_STREAM_DRAW
|
|
);
|
|
if (check_gl_error("glBufferData"))
|
|
{
|
|
LG_UNLOCK(this->formatLock);
|
|
return false;
|
|
}
|
|
}
|
|
glBindBuffer(GL_PIXEL_UNPACK_BUFFER, 0);
|
|
}
|
|
}
|
|
|
|
// create the frame textures
|
|
glGenTextures(BUFFER_COUNT, this->frames);
|
|
if (check_gl_error("glGenTextures"))
|
|
{
|
|
LG_UNLOCK(this->formatLock);
|
|
return false;
|
|
}
|
|
this->hasFrames = true;
|
|
|
|
for(int i = 0; i < BUFFER_COUNT; ++i)
|
|
{
|
|
// bind and create the new texture
|
|
glBindTexture(GL_TEXTURE_2D, this->frames[i]);
|
|
if (check_gl_error("glBindTexture"))
|
|
{
|
|
LG_UNLOCK(this->formatLock);
|
|
return false;
|
|
}
|
|
|
|
glTexImage2D(
|
|
GL_TEXTURE_2D,
|
|
0,
|
|
this->intFormat,
|
|
this->format.width,
|
|
this->format.height,
|
|
0,
|
|
this->vboFormat,
|
|
GL_UNSIGNED_BYTE,
|
|
(void*)0
|
|
);
|
|
if (check_gl_error("glTexImage2D"))
|
|
{
|
|
LG_UNLOCK(this->formatLock);
|
|
return false;
|
|
}
|
|
|
|
if (this->decoder->has_gl)
|
|
{
|
|
if (!this->decoder->init_gl_texture(
|
|
this->decoderData,
|
|
GL_TEXTURE_2D,
|
|
this->frames[i],
|
|
&this->decoderFrames[i]))
|
|
{
|
|
LG_UNLOCK(this->formatLock);
|
|
return false;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// configure the texture
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S , GL_CLAMP_TO_EDGE);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T , GL_CLAMP_TO_EDGE);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
|
|
}
|
|
|
|
// create the display lists
|
|
glNewList(this->texList + i, GL_COMPILE);
|
|
glBindTexture(GL_TEXTURE_2D, this->frames[i]);
|
|
glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
|
|
glBegin(GL_TRIANGLE_STRIP);
|
|
glTexCoord2f(0.0f, 0.0f); glVertex2i(0 , 0 );
|
|
glTexCoord2f(1.0f, 0.0f); glVertex2i(this->format.width, 0 );
|
|
glTexCoord2f(0.0f, 1.0f); glVertex2i(0 , this->format.height);
|
|
glTexCoord2f(1.0f, 1.0f); glVertex2i(this->format.width, this->format.height);
|
|
glEnd();
|
|
glBindTexture(GL_TEXTURE_2D, 0);
|
|
glEndList();
|
|
}
|
|
|
|
glBindTexture(GL_TEXTURE_2D, 0);
|
|
glBindBuffer(GL_PIXEL_UNPACK_BUFFER, 0);
|
|
|
|
this->resizeWindow = true;
|
|
this->drawStart = nanotime();
|
|
|
|
this->configured = true;
|
|
this->reconfigure = false;
|
|
|
|
LG_UNLOCK(this->formatLock);
|
|
return true;
|
|
}
|
|
|
|
static void deconfigure(struct Inst * this)
|
|
{
|
|
if (!this->configured)
|
|
return;
|
|
|
|
if (this->hasTextures)
|
|
{
|
|
glDeleteTextures(TEXTURE_COUNT, this->textures);
|
|
this->hasTextures = false;
|
|
}
|
|
|
|
if (this->hasFrames)
|
|
{
|
|
if (this->decoder->has_gl)
|
|
{
|
|
for(int i = 0; i < BUFFER_COUNT; ++i)
|
|
{
|
|
if (this->decoderFrames[i])
|
|
this->decoder->free_gl_texture(
|
|
this->decoderData,
|
|
this->decoderFrames[i]
|
|
);
|
|
this->decoderFrames[i] = NULL;
|
|
}
|
|
}
|
|
|
|
glDeleteTextures(BUFFER_COUNT, this->frames);
|
|
this->hasFrames = false;
|
|
}
|
|
|
|
if (this->hasBuffers)
|
|
{
|
|
glDeleteBuffers(BUFFER_COUNT, this->vboID);
|
|
this->hasBuffers = false;
|
|
}
|
|
|
|
if (this->amdPinnedMemSupport)
|
|
{
|
|
if (this->texPixels[0])
|
|
free(this->texPixels[0]);
|
|
|
|
for(int i = 0; i < BUFFER_COUNT; ++i)
|
|
{
|
|
if (this->fences[i])
|
|
{
|
|
glDeleteSync(this->fences[i]);
|
|
this->fences[i] = NULL;
|
|
}
|
|
this->texPixels[i] = NULL;
|
|
}
|
|
}
|
|
|
|
if (this->decoderData)
|
|
{
|
|
this->decoder->destroy(this->decoderData);
|
|
this->decoderData = NULL;
|
|
}
|
|
|
|
this->configured = false;
|
|
}
|
|
|
|
static void update_mouse_shape(struct Inst * this, bool * newShape)
|
|
{
|
|
LG_LOCK(this->mouseLock);
|
|
*newShape = this->newShape;
|
|
if (!this->newShape)
|
|
{
|
|
LG_UNLOCK(this->mouseLock);
|
|
return;
|
|
}
|
|
|
|
const LG_RendererCursor cursor = this->mouseCursor;
|
|
const int width = this->mouseWidth;
|
|
const int height = this->mouseHeight;
|
|
const int pitch = this->mousePitch;
|
|
const uint8_t * data = this->mouseData;
|
|
|
|
// tmp buffer for masked colour
|
|
uint32_t tmp[width * height];
|
|
|
|
this->mouseType = cursor;
|
|
switch(cursor)
|
|
{
|
|
case LG_CURSOR_MASKED_COLOR:
|
|
{
|
|
for(int i = 0; i < width * height; ++i)
|
|
{
|
|
const uint32_t c = ((uint32_t *)data)[i];
|
|
tmp[i] = (c & ~0xFF000000) | (c & 0xFF000000 ? 0x0 : 0xFF000000);
|
|
}
|
|
data = (uint8_t *)tmp;
|
|
// fall through to LG_CURSOR_COLOR
|
|
//
|
|
// technically we should also create an XOR texture from the data but this
|
|
// usage seems very rare in modern software.
|
|
}
|
|
|
|
case LG_CURSOR_COLOR:
|
|
{
|
|
glBindTexture(GL_TEXTURE_2D, this->textures[MOUSE_TEXTURE]);
|
|
glPixelStorei(GL_UNPACK_ALIGNMENT , 4 );
|
|
glPixelStorei(GL_UNPACK_ROW_LENGTH, width);
|
|
glTexImage2D
|
|
(
|
|
GL_TEXTURE_2D,
|
|
0 ,
|
|
GL_RGBA,
|
|
width ,
|
|
height ,
|
|
0 ,
|
|
GL_BGRA, // windows cursors are in BGRA format
|
|
GL_UNSIGNED_BYTE,
|
|
data
|
|
);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
|
|
glBindTexture(GL_TEXTURE_2D, 0);
|
|
|
|
this->mousePos.w = width;
|
|
this->mousePos.h = height;
|
|
|
|
glNewList(this->mouseList, GL_COMPILE);
|
|
glEnable(GL_BLEND);
|
|
glBindTexture(GL_TEXTURE_2D, this->textures[MOUSE_TEXTURE]);
|
|
glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
|
|
glBegin(GL_TRIANGLE_STRIP);
|
|
glTexCoord2f(0.0f, 0.0f); glVertex2i(0 , 0 );
|
|
glTexCoord2f(1.0f, 0.0f); glVertex2i(width, 0 );
|
|
glTexCoord2f(0.0f, 1.0f); glVertex2i(0 , height);
|
|
glTexCoord2f(1.0f, 1.0f); glVertex2i(width, height);
|
|
glEnd();
|
|
glBindTexture(GL_TEXTURE_2D, 0);
|
|
glDisable(GL_BLEND);
|
|
glEndList();
|
|
break;
|
|
}
|
|
|
|
case LG_CURSOR_MONOCHROME:
|
|
{
|
|
const int hheight = height / 2;
|
|
uint32_t d[width * height];
|
|
for(int y = 0; y < hheight; ++y)
|
|
for(int x = 0; x < width; ++x)
|
|
{
|
|
const uint8_t * srcAnd = data + (pitch * y) + (x / 8);
|
|
const uint8_t * srcXor = srcAnd + pitch * hheight;
|
|
const uint8_t mask = 0x80 >> (x % 8);
|
|
const uint32_t andMask = (*srcAnd & mask) ? 0xFFFFFFFF : 0xFF000000;
|
|
const uint32_t xorMask = (*srcXor & mask) ? 0x00FFFFFF : 0x00000000;
|
|
|
|
d[y * width + x ] = andMask;
|
|
d[y * width + x + width * hheight] = xorMask;
|
|
}
|
|
|
|
glBindTexture(GL_TEXTURE_2D, this->textures[MOUSE_TEXTURE]);
|
|
glPixelStorei(GL_UNPACK_ALIGNMENT , 4 );
|
|
glPixelStorei(GL_UNPACK_ROW_LENGTH, width);
|
|
glTexImage2D
|
|
(
|
|
GL_TEXTURE_2D,
|
|
0 ,
|
|
GL_RGBA,
|
|
width ,
|
|
height ,
|
|
0 ,
|
|
GL_RGBA,
|
|
GL_UNSIGNED_BYTE,
|
|
d
|
|
);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
|
|
glBindTexture(GL_TEXTURE_2D, 0);
|
|
|
|
this->mousePos.w = width;
|
|
this->mousePos.h = hheight;
|
|
|
|
glNewList(this->mouseList, GL_COMPILE);
|
|
glEnable(GL_COLOR_LOGIC_OP);
|
|
glBindTexture(GL_TEXTURE_2D, this->textures[MOUSE_TEXTURE]);
|
|
glLogicOp(GL_AND);
|
|
glBegin(GL_TRIANGLE_STRIP);
|
|
glTexCoord2f(0.0f, 0.0f); glVertex2i(0 , 0 );
|
|
glTexCoord2f(1.0f, 0.0f); glVertex2i(width, 0 );
|
|
glTexCoord2f(0.0f, 0.5f); glVertex2i(0 , hheight);
|
|
glTexCoord2f(1.0f, 0.5f); glVertex2i(width, hheight);
|
|
glEnd();
|
|
glLogicOp(GL_XOR);
|
|
glBegin(GL_TRIANGLE_STRIP);
|
|
glTexCoord2f(0.0f, 0.5f); glVertex2i(0 , 0 );
|
|
glTexCoord2f(1.0f, 0.5f); glVertex2i(width, 0 );
|
|
glTexCoord2f(0.0f, 1.0f); glVertex2i(0 , hheight);
|
|
glTexCoord2f(1.0f, 1.0f); glVertex2i(width, hheight);
|
|
glEnd();
|
|
glBindTexture(GL_TEXTURE_2D, 0);
|
|
glDisable(GL_COLOR_LOGIC_OP);
|
|
glEndList();
|
|
break;
|
|
}
|
|
}
|
|
|
|
this->mouseUpdate = true;
|
|
LG_UNLOCK(this->mouseLock);
|
|
}
|
|
|
|
static bool draw_frame(struct Inst * this)
|
|
{
|
|
LG_LOCK(this->syncLock);
|
|
if (!this->frameUpdate)
|
|
{
|
|
LG_UNLOCK(this->syncLock);
|
|
return true;
|
|
}
|
|
|
|
if (++this->texIndex == BUFFER_COUNT)
|
|
this->texIndex = 0;
|
|
|
|
this->frameUpdate = false;
|
|
LG_UNLOCK(this->syncLock);
|
|
|
|
LG_LOCK(this->formatLock);
|
|
if (this->decoder->has_gl)
|
|
{
|
|
if (!this->decoder->update_gl_texture(
|
|
this->decoderData,
|
|
this->decoderFrames[this->texIndex]
|
|
))
|
|
{
|
|
LG_UNLOCK(this->formatLock);
|
|
DEBUG_ERROR("Failed to update the texture from the decoder");
|
|
return false;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (glIsSync(this->fences[this->texIndex]))
|
|
{
|
|
switch(glClientWaitSync(this->fences[this->texIndex], 0, GL_TIMEOUT_IGNORED))
|
|
{
|
|
case GL_ALREADY_SIGNALED:
|
|
break;
|
|
|
|
case GL_CONDITION_SATISFIED:
|
|
DEBUG_WARN("Had to wait for the sync");
|
|
break;
|
|
|
|
case GL_TIMEOUT_EXPIRED:
|
|
DEBUG_WARN("Timeout expired, DMA transfers are too slow!");
|
|
break;
|
|
|
|
case GL_WAIT_FAILED:
|
|
DEBUG_ERROR("Wait failed %s", gluErrorString(glGetError()));
|
|
break;
|
|
}
|
|
|
|
glDeleteSync(this->fences[this->texIndex]);
|
|
this->fences[this->texIndex] = NULL;
|
|
}
|
|
|
|
const uint8_t * data = this->decoder->get_buffer(this->decoderData);
|
|
if (!data)
|
|
{
|
|
LG_UNLOCK(this->formatLock);
|
|
DEBUG_ERROR("Failed to get the buffer from the decoder");
|
|
return false;
|
|
}
|
|
|
|
glBindTexture(GL_TEXTURE_2D, this->frames[this->texIndex]);
|
|
glBindBuffer(GL_PIXEL_UNPACK_BUFFER, this->vboID[this->texIndex]);
|
|
|
|
glPixelStorei(GL_UNPACK_ALIGNMENT , 4);
|
|
glPixelStorei(GL_UNPACK_ROW_LENGTH ,
|
|
this->decoder->get_frame_stride(this->decoderData)
|
|
);
|
|
|
|
// update the buffer, this performs a DMA transfer if possible
|
|
glBufferSubData(
|
|
GL_PIXEL_UNPACK_BUFFER,
|
|
0,
|
|
this->texSize,
|
|
data
|
|
);
|
|
check_gl_error("glBufferSubData");
|
|
|
|
// update the texture
|
|
glTexSubImage2D(
|
|
GL_TEXTURE_2D,
|
|
0,
|
|
0,
|
|
0,
|
|
this->format.width ,
|
|
this->format.height,
|
|
this->vboFormat,
|
|
GL_UNSIGNED_BYTE,
|
|
(void*)0
|
|
);
|
|
if (check_gl_error("glTexSubImage2D"))
|
|
{
|
|
DEBUG_ERROR("texIndex: %u, width: %u, height: %u, vboFormat: %x, texSize: %lu",
|
|
this->texIndex, this->format.width, this->format.height, this->vboFormat, this->texSize
|
|
);
|
|
}
|
|
|
|
// set a fence so we don't overwrite a buffer in use
|
|
this->fences[this->texIndex] =
|
|
glFenceSync(GL_SYNC_GPU_COMMANDS_COMPLETE, 0);
|
|
|
|
// unbind the buffer
|
|
glBindBuffer(GL_PIXEL_UNPACK_BUFFER, 0);
|
|
}
|
|
|
|
const bool mipmap = this->opt.mipmap && (
|
|
(this->format.width > this->destRect.w) ||
|
|
(this->format.height > this->destRect.h));
|
|
|
|
glBindTexture(GL_TEXTURE_2D, this->frames[this->texIndex]);
|
|
if (mipmap)
|
|
{
|
|
glGenerateMipmap(GL_TEXTURE_2D);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
|
|
}
|
|
else
|
|
{
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
|
|
}
|
|
glBindTexture(GL_TEXTURE_2D, 0);
|
|
|
|
LG_UNLOCK(this->formatLock);
|
|
this->texReady = true;
|
|
return true;
|
|
}
|
|
|
|
static void draw_mouse(struct Inst * this)
|
|
{
|
|
if (!this->mouseVisible)
|
|
return;
|
|
|
|
glPushMatrix();
|
|
glTranslatef(this->mousePos.x, this->mousePos.y, 0.0f);
|
|
glCallList(this->mouseList);
|
|
glPopMatrix();
|
|
} |