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[client] changed opengl to process every frame

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This commit is contained in:
Geoffrey McRae 2017-12-13 14:10:24 +11:00
parent d0e5bd02bd
commit b5cb796b7c
1 changed files with 22 additions and 34 deletions
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36
client/renderers/opengl.c
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@ -29,7 +29,6 @@ struct LGR_OpenGL
bool initialized;
SDL_GLContext glContext;
bool resizeWindow;
bool mouseUpdate;
bool frameUpdate;
LG_RendererFormat format;
@ -123,7 +122,7 @@ bool lgr_opengl_initialize(void ** opaque, const LG_RendererParams params, const
}
}
SDL_GL_SetSwapInterval(1);
SDL_GL_SetSwapInterval(0);
// check if the GPU supports GL_ARB_buffer_storage first
// there is no advantage to this renderer if it is not present.
@ -425,10 +424,9 @@ bool lgr_opengl_on_mouse_event(void * opaque, const bool visible, const int x, c
if (!this || !this->initialized)
return false;
if (this->mousePos.x == x && this->mousePos.y == y)
if (this->mousePos.x == x && this->mousePos.y == y && this->mouseVisible == visible)
return true;
this->mouseUpdate = true;
this->mouseVisible = visible;
this->mousePos.x = x;
this->mousePos.y = y;
@ -636,40 +634,30 @@ bool lgr_opengl_render(void * opaque)
{
glCallList(this->texList + this->texIndex);
this->mouseRepair = false;
}
lgr_opengl_draw_mouse(this);
if (this->fpsTexture)
glCallList(this->fpsList);
glXGetVideoSyncSGI(&this->gpuFrameCount);
SDL_GL_SwapWindow(this->params.window);
GLsync sync = glFenceSync(GL_SYNC_GPU_COMMANDS_COMPLETE, 0);
glWaitSync(sync, 0, 1000);
glDeleteSync(sync);
unsigned int count;
glXGetVideoSyncSGI(&count);
while(count == this->gpuFrameCount)
{
unsigned int remainder;
glXWaitVideoSyncSGI(1, 0, &remainder);
glXGetVideoSyncSGI(&count);
glFinish();
}
if (count == this->gpuFrameCount)
glXWaitVideoSyncSGI(1, 0, &count);
SDL_GL_SwapWindow(this->params.window);
glXGetVideoSyncSGI(&this->gpuFrameCount);
++this->frameCount;
const uint64_t t = nanotime();
this->renderTime += t - this->lastFrameTime;
this->lastFrameTime = t;
}
else
if (this->mouseUpdate)
{
glDrawBuffer(GL_FRONT);
lgr_opengl_draw_mouse(this);
glFlush();
glDrawBuffer(GL_BACK);
}
this->frameUpdate = false;
this->mouseUpdate = false;
return true;
}