private void UI_OnTextureSelectionChanged(bool newdraw)
{
FetchTexture tex = CurrentTexture;
// reset high-water mark
m_HighWaterStatusLength = 0;
if (tex == null) return;
bool newtex = (m_TexDisplay.texid != tex.ID);
// save settings for this current texture
if (m_Core.Config.TextureViewer_PerTexSettings)
{
if (!m_TextureSettings.ContainsKey(m_TexDisplay.texid))
m_TextureSettings.Add(m_TexDisplay.texid, new TexSettings());
m_TextureSettings[m_TexDisplay.texid].r = customRed.Checked;
m_TextureSettings[m_TexDisplay.texid].g = customGreen.Checked;
m_TextureSettings[m_TexDisplay.texid].b = customBlue.Checked;
m_TextureSettings[m_TexDisplay.texid].a = customAlpha.Checked;
m_TextureSettings[m_TexDisplay.texid].displayType = channels.SelectedIndex;
m_TextureSettings[m_TexDisplay.texid].customShader = customShader.Text;
m_TextureSettings[m_TexDisplay.texid].depth = depthDisplay.Checked;
m_TextureSettings[m_TexDisplay.texid].stencil = stencilDisplay.Checked;
m_TextureSettings[m_TexDisplay.texid].mip = mipLevel.SelectedIndex;
m_TextureSettings[m_TexDisplay.texid].slice = sliceFace.SelectedIndex;
m_TextureSettings[m_TexDisplay.texid].minrange = rangeHistogram.BlackPoint;
m_TextureSettings[m_TexDisplay.texid].maxrange = rangeHistogram.WhitePoint;
m_TextureSettings[m_TexDisplay.texid].typeHint = m_Following.GetTypeHint(m_Core);
}
m_TexDisplay.texid = tex.ID;
// interpret the texture according to the currently following type.
if(!CurrentTextureIsLocked)
m_TexDisplay.typeHint = m_Following.GetTypeHint(m_Core);
else
m_TexDisplay.typeHint = FormatComponentType.None;
// if there is no such type or it isn't being followed, use the last seen interpretation
if (m_TexDisplay.typeHint == FormatComponentType.None && m_TextureSettings.ContainsKey(m_TexDisplay.texid))
m_TexDisplay.typeHint = m_TextureSettings[m_TexDisplay.texid].typeHint;
// try to maintain the pan in the new texture. If the new texture
// is approx an integer multiple of the old texture, just changing
// the scale will keep everything the same. This is useful for
// downsample chains and things where you're flipping back and forth
// between overlapping textures, but even in the non-integer case
// pan will be kept approximately the same.
PointF curSize = new PointF((float)CurrentTexture.width, (float)CurrentTexture.height);
float curArea = curSize.Area();
float prevArea = m_PrevSize.Area();
if (prevArea > 0.0f)
{
float prevX = m_TexDisplay.offx;
float prevY = m_TexDisplay.offy;
float prevScale = m_TexDisplay.scale;
// allow slight difference in aspect ratio for rounding errors
// in downscales (e.g. 1680x1050 -> 840x525 -> 420x262 in the
// last downscale the ratios are 1.6 and 1.603053435).
if (Math.Abs(curSize.Aspect() - m_PrevSize.Aspect()) < 0.01f)
{
m_TexDisplay.scale *= m_PrevSize.X / curSize.X;
CurrentZoomValue = m_TexDisplay.scale;
}
else
{
// this scale factor is arbitrary really, only intention is to have
// integer scales come out precisely, other 'similar' sizes will be
// similar ish
float scaleFactor = (float)(Math.Sqrt(curArea) / Math.Sqrt(prevArea));
m_TexDisplay.offx = prevX * scaleFactor;
m_TexDisplay.offy = prevY * scaleFactor;
}
}
m_PrevSize = curSize;
// refresh scroll position
ScrollPosition = ScrollPosition;
UI_UpdateStatusText();
mipLevel.Items.Clear();
m_TexDisplay.mip = 0;
m_TexDisplay.sliceFace = 0;
bool usemipsettings = true;
bool useslicesettings = true;
if (tex.msSamp > 1)
{
for (int i = 0; i < tex.msSamp; i++)
mipLevel.Items.Add(String.Format("Sample {0}", i));
// add an option to display unweighted average resolved value,
// to get an idea of how the samples average
if(tex.format.compType != FormatComponentType.UInt &&
tex.format.compType != FormatComponentType.SInt &&
tex.format.compType != FormatComponentType.Depth &&
(tex.creationFlags & TextureCreationFlags.DSV) == 0)
mipLevel.Items.Add("Average val");
mipLevelLabel.Text = "Sample";
mipLevel.SelectedIndex = 0;
}
else
{
for (int i = 0; i < tex.mips; i++)
mipLevel.Items.Add(i + " - " + Math.Max(1, tex.width >> i) + "x" + Math.Max(1, tex.height >> i));
mipLevelLabel.Text = "Mip";
int highestMip = -1;
// only switch to the selected mip for outputs, and when changing drawcall
if (!CurrentTextureIsLocked && m_Following.Type != FollowType.ReadOnly && newdraw)
highestMip = m_Following.GetHighestMip(m_Core);
// assuming we get a valid mip for the highest mip, only switch to it
// if we've selected a new texture, or if it's different than the last mip.
// This prevents the case where the user has clicked on another mip and
// we don't want to snap their view back when stepping between events with the
// same mip used. But it does mean that if they are stepping between
// events with different mips used, then we will update in that case.
if (highestMip >= 0 && (newtex || highestMip != prevHighestMip))
{
usemipsettings = false;
mipLevel.SelectedIndex = Helpers.Clamp(highestMip, 0, (int)tex.mips - 1);
}
if (mipLevel.SelectedIndex == -1)
mipLevel.SelectedIndex = Helpers.Clamp(prevHighestMip, 0, (int)tex.mips - 1);
prevHighestMip = highestMip;
}
if (tex.mips == 1 && tex.msSamp <= 1)
{
mipLevel.Enabled = false;
}
else
{
mipLevel.Enabled = true;
}
sliceFace.Items.Clear();
if (tex.numSubresources == tex.mips && tex.depth <= 1)
{
sliceFace.Enabled = false;
}
else
{
sliceFace.Enabled = true;
sliceFace.Visible = sliceFaceLabel.Visible = true;
String[] cubeFaces = { "X+", "X-", "Y+", "Y-", "Z+", "Z-" };
UInt32 numSlices = (Math.Max(1, tex.depth) * tex.numSubresources) / tex.mips;
// for 3D textures, display the number of slices at this mip
if(tex.depth > 1)
numSlices = Math.Max(1, tex.depth >> (int)mipLevel.SelectedIndex);
for (UInt32 i = 0; i < numSlices; i++)
{
if (tex.cubemap)
{
String name = cubeFaces[i%6];
if (numSlices > 6)
name = string.Format("[{0}] {1}", (i / 6), cubeFaces[i%6]); // Front 1, Back 2, 3, 4 etc for cube arrays
sliceFace.Items.Add(name);
}
else
{
sliceFace.Items.Add("Slice " + i);
}
}
int firstArraySlice = -1;
// only switch to the selected mip for outputs, and when changing drawcall
if (!CurrentTextureIsLocked && m_Following.Type != FollowType.ReadOnly && newdraw)
firstArraySlice = m_Following.GetFirstArraySlice(m_Core);
// see above with highestMip and prevHighestMip for the logic behind this
if (firstArraySlice >= 0 && (newtex || firstArraySlice != prevFirstArraySlice))
{
useslicesettings = false;
sliceFace.SelectedIndex = Helpers.Clamp(firstArraySlice, 0, (int)numSlices - 1);
}
if (sliceFace.SelectedIndex == -1)
sliceFace.SelectedIndex = Helpers.Clamp(prevFirstArraySlice, 0, (int)numSlices - 1);
prevFirstArraySlice = firstArraySlice;
}
// because slice and mip are specially set above, we restore any per-tex settings to apply
// even if we don't switch to a new texture.
// Note that if the slice or mip was changed because that slice or mip is the selected one
// at the API level, we leave this alone.
if (m_Core.Config.TextureViewer_PerTexSettings && m_TextureSettings.ContainsKey(tex.ID))
{
if (usemipsettings)
mipLevel.SelectedIndex = m_TextureSettings[tex.ID].mip;
if (useslicesettings)
sliceFace.SelectedIndex = m_TextureSettings[tex.ID].slice;
}
// handling for if we've switched to a new texture
if (newtex)
{
// if we save certain settings per-texture, restore them (if we have any)
if (m_Core.Config.TextureViewer_PerTexSettings && m_TextureSettings.ContainsKey(tex.ID))
{
channels.SelectedIndex = m_TextureSettings[tex.ID].displayType;
customShader.Text = m_TextureSettings[tex.ID].customShader;
customRed.Checked = m_TextureSettings[tex.ID].r;
customGreen.Checked = m_TextureSettings[tex.ID].g;
customBlue.Checked = m_TextureSettings[tex.ID].b;
customAlpha.Checked = m_TextureSettings[tex.ID].a;
depthDisplay.Checked = m_TextureSettings[m_TexDisplay.texid].depth;
stencilDisplay.Checked = m_TextureSettings[m_TexDisplay.texid].stencil;
norangePaint = true;
rangeHistogram.SetRange(m_TextureSettings[m_TexDisplay.texid].minrange, m_TextureSettings[m_TexDisplay.texid].maxrange);
norangePaint = false;
}
else if (m_Core.Config.TextureViewer_PerTexSettings)
{
// if we are using per-tex settings, reset back to RGB
channels.SelectedIndex = 0;
customShader.Text = "";
customRed.Checked = true;
customGreen.Checked = true;
customBlue.Checked = true;
customAlpha.Checked = false;
stencilDisplay.Checked = false;
depthDisplay.Checked = true;
norangePaint = true;
UI_SetHistogramRange(tex, m_TexDisplay.typeHint);
norangePaint = false;
}
// reset the range if desired
if (m_Core.Config.TextureViewer_ResetRange)
{
UI_SetHistogramRange(tex, m_TexDisplay.typeHint);
}
}
UI_UpdateFittedScale();
UI_UpdateTextureDetails();
UI_UpdateChannels();
if (autoFit.Checked)
AutoFitRange();
m_Core.Renderer.BeginInvoke((ReplayRenderer r) =>
{
RT_UpdateVisualRange(r);
RT_UpdateAndDisplay(r);
if (tex.ID != ResourceId.Null)
{
if (m_Output != null)
RT_PickPixelsAndUpdate(m_PickedPoint.X, m_PickedPoint.Y, true);
var us = r.GetUsage(tex.ID);
var tb = m_Core.TimelineBar;
if (tb != null && tb.Visible && !tb.IsDisposed)
{
this.BeginInvoke(new Action(() =>
{
tb.HighlightResource(tex.ID, tex.name, us);
}));
}
}
else
{
m_CurPixelValue = null;
m_CurRealValue = null;
}
});
}