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[client] slow down mouse updates to something reasonable

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This commit is contained in:
Geoffrey McRae 2017-12-14 04:18:30 +11:00
parent 7986350cb8
commit 81f4a7fade
1 changed files with 48 additions and 33 deletions
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59
client/renderers/opengl.c
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@ -56,6 +56,8 @@ struct LGR_OpenGL
uint64_t frameCount;
SDL_Rect fpsRect;
bool mouseUpdate;
uint64_t lastMouseDraw;
LG_RendererCursor mouseType;
bool mouseRepair;
SDL_Rect mouseRepairPos;
@ -213,6 +215,8 @@ bool lgr_opengl_initialize(void ** opaque, const LG_RendererParams params, const
GL_UNSIGNED_BYTE,
(void*)0
);
if (lgr_opengl_check_error("glTexImage2D"))
return false;
// create the display lists
glNewList(this->texList + i, GL_COMPILE);
@ -409,6 +413,7 @@ bool lgr_opengl_on_mouse_shape(void * opaque, const LG_RendererCursor cursor, co
}
}
this->mouseUpdate = true;
return true;
}
@ -424,7 +429,7 @@ bool lgr_opengl_on_mouse_event(void * opaque, const bool visible, const int x, c
this->mouseVisible = visible;
this->mousePos.x = x;
this->mousePos.y = y;
this->mouseUpdate = true;
return false;
}
@ -434,8 +439,9 @@ bool lgr_opengl_on_frame_event(void * opaque, const uint8_t * data, bool resampl
if (!this || !this->initialized)
return false;
if (++this->texIndex == VBO_BUFFERS)
this->texIndex = 0;
int texIndex = this->texIndex + 1;
if (texIndex == VBO_BUFFERS)
texIndex = 0;
if (this->params.showFPS && this->renderTime > 1e9)
{
@ -508,12 +514,12 @@ bool lgr_opengl_on_frame_event(void * opaque, const uint8_t * data, bool resampl
}
// copy the buffer to the texture
memcpySSE(this->texPixels[this->texIndex], data, this->texSize);
glBindBuffer(GL_PIXEL_UNPACK_BUFFER, this->vboID[this->texIndex]);
memcpySSE(this->texPixels[texIndex], data, this->texSize);
glBindBuffer(GL_PIXEL_UNPACK_BUFFER, this->vboID[texIndex]);
glFlushMappedBufferRange(GL_PIXEL_UNPACK_BUFFER, 0, this->texSize);
// bind the texture and update it
glBindTexture(GL_TEXTURE_2D , this->textures[this->texIndex]);
glBindTexture(GL_TEXTURE_2D , this->textures[texIndex]);
glPixelStorei(GL_UNPACK_ALIGNMENT , 4 );
glPixelStorei(GL_UNPACK_ROW_LENGTH , this->format.width );
@ -552,17 +558,12 @@ bool lgr_opengl_on_frame_event(void * opaque, const uint8_t * data, bool resampl
}
this->frameUpdate = true;
this->texIndex = texIndex;
return true;
}
void lgr_opengl_draw_mouse(struct LGR_OpenGL * this)
inline void lgr_opengl_draw_mouse(struct LGR_OpenGL * this)
{
if (this->mouseRepair)
{
glCallList(this->texList + this->texIndex);
this->mouseRepair = false;
}
if (!this->mouseVisible)
return;
@ -612,27 +613,39 @@ bool lgr_opengl_render(void * opaque)
glEnable(GL_SCISSOR_TEST);
}
if (this->frameUpdate)
if (!this->frameUpdate)
{
glCallList(this->texList + this->texIndex);
this->mouseRepair = false;
}
if (!this->mouseUpdate)
return true;
// don't update the mouse too fast
const uint64_t delta = nanotime() - this->lastMouseDraw;
if (delta < 1e7)
return true;
glCallList(this->texList + this->texIndex);
lgr_opengl_draw_mouse(this);
glFinish();
this->mouseUpdate = false;
this->lastMouseDraw = nanotime();
}
else
{
glDrawBuffer(GL_BACK);
glCallList(this->texList + this->texIndex);
lgr_opengl_draw_mouse(this);
if (this->fpsTexture)
glCallList(this->fpsList);
GLsync sync = glFenceSync(GL_SYNC_GPU_COMMANDS_COMPLETE, 0);
glWaitSync(sync, 0, 1000);
glDeleteSync(sync);
glDrawBuffer(GL_FRONT);
unsigned int count;
glXGetVideoSyncSGI(&count);
if (count == this->gpuFrameCount)
glXWaitVideoSyncSGI(1, 0, &count);
SDL_GL_SwapWindow(this->params.window);
glXGetVideoSyncSGI(&this->gpuFrameCount);
}
++this->frameCount;
const uint64_t t = nanotime();
@ -640,6 +653,8 @@ bool lgr_opengl_render(void * opaque)
this->lastFrameTime = t;
this->frameUpdate = false;
this->mouseUpdate = false;
this->lastMouseDraw = t;
return true;
}