void CPUTGuiControllerOGL::UpdateConstantBuffer()
{
if(mpConstantBufferVS )
{
float znear = 0.1f;
float zfar = 100.0f;
float4x4 m;
m = float4x4OrthographicOffCenterLH(0, (float)mWidth, (float)mHeight, 0, znear, zfar);
GUIConstantBufferVS ConstantBufferMatrices;
ConstantBufferMatrices.Projection = m;
m = float4x4Identity();
ConstantBufferMatrices.Model = m;
mpConstantBufferVS->SetData(0, sizeof(GUIConstantBufferVS), &ConstantBufferMatrices);
}
}
// Draw - must be positioned after all the controls are defined
//--------------------------------------------------------------------------------
void CPUTGuiControllerOGL::Draw()
{
HEAPCHECK;
static double timeSinceLastFPSUpdate = 0;
static int framesSinceLastFPSUpdate = 0;
static double avgFPS = 0;
static double minFrameTime = 999;
static double maxFrameTime = 0;
static CPUT_RECT windowRect = {0, 0, 0, 0};
if( 0 == GetNumberOfControlsInPanel())
{
return;
}
// check and see if any of the controls resized themselves
int ControlCount=GetNumberOfControlsInPanel();
bool ResizingNeeded = false;
for(int ii=0; ii<ControlCount; ii++)
{
CPUTControl *pControl = mControlPanelIDList[mActiveControlPanelSlotID]->mControlList[ii];
if(true == pControl->ControlResizedItself())
{
ResizingNeeded = true;
pControl->ControlResizingHandled();
}
}
// if any of the controls resized, then re-do the autoarrangment
if(true == ResizingNeeded)
{
this->Resize();
}
// Now check to see if any controls' graphics are dirty
for(int ii=0; ii<ControlCount; ii++)
{
CPUTControl *pControl = mControlPanelIDList[mActiveControlPanelSlotID]->mControlList[ii];
if(true == pControl->ControlGraphicsDirty())
{
mUberBufferDirty = true;
break;
}
}
// if any of the controls have announced they are dirty, then rebuild the mirror buffer and update the GFX buffer
if(mUberBufferDirty)
{
// if a resize was flagged, do it now.
if(mRecalculateLayout)
{
RecalculateLayout();
mRecalculateLayout = false;
}
// 'clear' the buffer by resetting the pointer to the head
mUberBufferIndex = 0;
mTextUberBufferIndex = 0;
mFocusedControlBufferIndex = 0;
mFocusedControlTextBufferIndex = 0;
int ii=0;
while(ii<GetNumberOfControlsInPanel())
{
CPUTControl *pControl = mControlPanelIDList[mActiveControlPanelSlotID]->mControlList[ii];
// don't draw the focus control - draw it last so it stays on 'top'
if(mpFocusControl != pControl)
{
switch(pControl->GetType())
{
case CPUT_BUTTON:
((CPUTButton*)pControl)->DrawIntoBuffer(mpMirrorBuffer, &mUberBufferIndex, mUberBufferMax, mpTextMirrorBuffer, &mTextUberBufferIndex, CPUT_GUI_BUFFER_STRING_SIZE);
break;
case CPUT_CHECKBOX:
((CPUTCheckbox*)pControl)->DrawIntoBuffer(mpMirrorBuffer, &mUberBufferIndex, mUberBufferMax, mpTextMirrorBuffer, &mTextUberBufferIndex, CPUT_GUI_BUFFER_STRING_SIZE);
break;
case CPUT_SLIDER:
((CPUTSlider*)pControl)->DrawIntoBuffer(mpMirrorBuffer, &mUberBufferIndex, mUberBufferMax, mpTextMirrorBuffer, &mTextUberBufferIndex, CPUT_GUI_BUFFER_STRING_SIZE);
break;
case CPUT_DROPDOWN:
((CPUTDropdown*)pControl)->DrawIntoBuffer(mpMirrorBuffer, &mUberBufferIndex, mUberBufferMax, mpTextMirrorBuffer, &mTextUberBufferIndex, CPUT_GUI_BUFFER_STRING_SIZE);
break;
case CPUT_STATIC:
((CPUTText*)pControl)->DrawIntoBuffer(mpTextMirrorBuffer, &mTextUberBufferIndex, CPUT_GUI_BUFFER_STRING_SIZE);
break;
}
}
ii++;
HEAPCHECK
}
// do the 'focused' control last so it stays on top (i.e. dropdowns)
if(mpFocusControl)
{
switch(mpFocusControl->GetType())
{
case CPUT_BUTTON:
((CPUTButton*)mpFocusControl)->DrawIntoBuffer(mpFocusedControlMirrorBuffer, &mFocusedControlBufferIndex, mUberBufferMax, mpFocusedControlTextMirrorBuffer, &mFocusedControlTextBufferIndex, CPUT_GUI_BUFFER_STRING_SIZE);
break;
case CPUT_CHECKBOX:
((CPUTCheckbox*)mpFocusControl)->DrawIntoBuffer(mpFocusedControlMirrorBuffer, &mFocusedControlBufferIndex, mUberBufferMax, mpFocusedControlTextMirrorBuffer, &mFocusedControlTextBufferIndex, CPUT_GUI_BUFFER_STRING_SIZE);
break;
case CPUT_SLIDER:
((CPUTSlider*)mpFocusControl)->DrawIntoBuffer(mpFocusedControlMirrorBuffer, &mFocusedControlBufferIndex, mUberBufferMax, mpFocusedControlTextMirrorBuffer, &mFocusedControlTextBufferIndex, CPUT_GUI_BUFFER_STRING_SIZE);
break;
case CPUT_DROPDOWN:
((CPUTDropdown*)mpFocusControl)->DrawIntoBuffer(mpFocusedControlMirrorBuffer, &mFocusedControlBufferIndex, mUberBufferMax, mpFocusedControlTextMirrorBuffer, &mFocusedControlTextBufferIndex, CPUT_GUI_BUFFER_STRING_SIZE);
break;
case CPUT_STATIC:
((CPUTText*)mpFocusControl)->DrawIntoBuffer(mpFocusedControlMirrorBuffer, &mFocusedControlTextBufferIndex, CPUT_GUI_BUFFER_STRING_SIZE);
break;
}
}
// update the uber-buffers with the control graphics
UpdateUberBuffers();
// Clear dirty flag on uberbuffer
mUberBufferDirty = false;
}
HEAPCHECK
if( mpConstantBufferVS )
{
// set up orthographic display
int windowWidth, windowHeight;
float znear = 0.1f;
float zfar = 100.0f;
float4x4 m;
pWindow->GetClientDimensions( &windowWidth, &windowHeight );
m = float4x4OrthographicOffCenterLH(0, (float)windowWidth, (float)windowHeight, 0, znear, zfar);
GUIConstantBufferVS ConstantBufferMatrices;
ConstantBufferMatrices.Projection = m;
m = float4x4Identity();
ConstantBufferMatrices.Model = m;
GL_CHECK(glBindBuffer(GL_UNIFORM_BUFFER, mpConstantBufferVS->GetBufferID()));
GL_CHECK(glBufferSubData(GL_UNIFORM_BUFFER, 0, sizeof(GUIConstantBufferVS), &ConstantBufferMatrices));
GL_CHECK(glBindBuffer(GL_UNIFORM_BUFFER, 0));
}
CPUTRenderParameters params;
mpControlMaterial->GetMaterialEffects()[0]->SetRenderStates(params);
glDisable(GL_CULL_FACE);
glDisable(GL_DEPTH_TEST);
// draw the control graphics
CPUTRenderParameters p;
mpUberBuffer->Draw(p, NULL);
mpTextMaterial->GetMaterialEffects()[0]->SetRenderStates(params);
// draw text things here
// draw the FPS counter
mpTextUberBuffer->Draw(p, NULL);
mpControlMaterial->GetMaterialEffects()[0]->SetRenderStates(params);
mpFocusedControlBuffer->Draw(p, NULL);
// draw focused control
mpTextMaterial->GetMaterialEffects()[0]->SetRenderStates(params);
mpFocusedControlTextBuffer->Draw(p, NULL);
glEnable(GL_CULL_FACE);
glDisable(GL_DEPTH_TEST);
GL_CHECK(glBindBuffer(GL_UNIFORM_BUFFER, 0));
HEAPCHECK;
}
