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[opengl] added fade out to wait screen

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This commit is contained in:
Geoffrey McRae 2018-07-20 01:01:16 +10:00
parent 34de213926
commit d839026ade
1 changed files with 55 additions and 28 deletions
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83
client/renderers/opengl.c
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@ -43,6 +43,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA
#define ALERT_TEXTURE 2
#define TEXTURE_COUNT 3
#define FADE_TIME 1000000
struct Options
{
bool mipmap;
@ -109,6 +111,10 @@ struct Inst
struct ll * alerts;
int alertList;
bool waiting;
uint64_t waitFadeTime;
bool waitDone;
bool fpsTexture;
uint64_t lastFrameTime;
uint64_t renderTime;
@ -177,6 +183,9 @@ bool opengl_initialize(void * opaque, Uint32 * sdlFlags)
if (!this)
return false;
this->waiting = true;
this->waitDone = false;
*sdlFlags = SDL_WINDOW_OPENGL;
SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER , 1);
SDL_GL_SetAttribute(SDL_GL_MULTISAMPLEBUFFERS, 1);
@ -192,6 +201,8 @@ void opengl_deinitialize(void * opaque)
if (this->preConfigured)
{
glDeleteLists(this->texList , BUFFER_COUNT);
glDeleteLists(this->mouseList, 1);
glDeleteLists(this->fpsList , 1);
glDeleteLists(this->alertList, 1);
}
@ -322,6 +333,12 @@ bool opengl_on_frame_event(void * opaque, const LG_RendererFormat format, const
this->frameUpdate = true;
LG_UNLOCK(this->syncLock);
if (this->waiting)
{
this->waiting = false;
this->waitFadeTime = microtime() + FADE_TIME;
}
++this->frameCount;
return true;
}
@ -432,24 +449,10 @@ bool opengl_render(void * opaque, SDL_Window * window)
this->resizeWindow = false;
}
bool wait = false;
if (!configure(this, window))
{
render_wait(this);
wait = true;
}
else
{
if (configure(this, window))
if (!draw_frame(this))
return false;
if (!this->texReady)
{
render_wait(this);
wait = true;
}
}
if (this->params.showFPS && this->renderTime > 1e9)
{
char str[128];
@ -502,21 +505,27 @@ bool opengl_render(void * opaque, SDL_Window * window)
glTexCoord2f(0.0f , 1.0f); glVertex2i(this->fpsRect.x , this->fpsRect.y + this->fpsRect.h);
glTexCoord2f(1.0f, 1.0f); glVertex2i(this->fpsRect.x + this->fpsRect.w, this->fpsRect.y + this->fpsRect.h);
glEnd();
glBindTexture(GL_TEXTURE_2D, 0);
glDisable(GL_BLEND);
glPopMatrix();
glEndList();
}
if (!wait)
glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
glClear(GL_COLOR_BUFFER_BIT);
if (this->waiting)
render_wait(this);
else
{
bool newShape;
update_mouse_shape(this, &newShape);
glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
glClear(GL_COLOR_BUFFER_BIT);
glCallList(this->texList + this->texIndex);
draw_mouse(this);
if (!this->waitDone)
render_wait(this);
}
if (this->fpsTexture)
@ -553,6 +562,7 @@ bool opengl_render(void * opaque, SDL_Window * window)
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();
@ -620,17 +630,32 @@ void draw_torus_arc(float x, float y, float inner, float outer, unsigned int pts
static void render_wait(struct Inst * this)
{
glClearColor(0.234375f, 0.011718f, 0.425781f, 1.0f);
glClear(GL_COLOR_BUFFER_BIT);
float a;
if (this->waiting)
a = 1.0f;
else
{
uint64_t t = microtime();
if (t > this->waitFadeTime)
{
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, 1.0f);
glColor4f(0.234375f, 0.015625f, 0.425781f, a);
glVertex2f(0, 0);
glColor4f(0, 0, 0, 1);
glColor4f(0, 0, 0, a);
for (unsigned int i = 0; i <= 100; ++i)
{
float angle = (i / (float)100) * M_PI * 2.0f;
@ -639,7 +664,7 @@ static void render_wait(struct Inst * this)
glEnd();
// draw the logo
glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
glColor4f(1.0f, 1.0f, 1.0f, a);
glScalef (2.0f, 2.0f, 1.0f);
draw_torus ( 0, 0, 40, 42, 60);
@ -669,6 +694,7 @@ static void render_wait(struct Inst * this)
//FIXME: draw the diagnoal marks on the circle
glPopMatrix();
glDisable(GL_BLEND);
}
static void handle_opt_mipmap(void * opaque, const char *value)
@ -803,6 +829,9 @@ static bool pre_configure(struct Inst * this, SDL_Window *window)
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);
@ -884,10 +913,6 @@ static bool configure(struct Inst * this, SDL_Window *window)
this->format.height *
this->decoder->get_frame_pitch(this->decoderData);
// generate lists for drawing
this->texList = glGenLists(BUFFER_COUNT);
this->mouseList = glGenLists(1);
// generate the pixel unpack buffers if the decoder isn't going to do it for us
if (!this->decoder->has_gl)
{
@ -1024,6 +1049,7 @@ static bool configure(struct Inst * this, SDL_Window *window)
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();
}
@ -1237,6 +1263,7 @@ static void update_mouse_shape(struct Inst * this, bool * newShape)
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;