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Apply baseVertex when calculating index

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This commit is contained in:
baldurk
2017-02-17 20:16:19 +00:00
parent 16f85cadc2
commit 300029d4e1
1 changed files with 34 additions and 4 deletions
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qrenderdoc/Windows/BufferViewer.cpp
+34 -4
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@@ -330,6 +330,32 @@ struct BufferData
size_t stride;
};
uint32_t CalcIndex(BufferData *data, uint32_t vertID, int32_t baseVertex)
{
byte *idxData = data->data + vertID * sizeof(uint32_t);
if(idxData + sizeof(uint32_t) > data->end)
return ~0U;
uint32_t idx = *(uint32_t *)idxData;
// apply base vertex but clamp to 0 if subtracting
if(baseVertex < 0)
{
uint32_t subtract = (uint32_t)(-baseVertex);
if(idx < subtract)
idx = 0;
else
idx -= subtract;
}
else if(baseVertex > 0)
{
idx += (uint32_t)baseVertex;
}
return idx;
}
class BufferItemModel : public QAbstractItemModel
{
public:
@@ -466,11 +492,10 @@ public:
if(indices && indices->data)
{
byte *idxData = indices->data + row * sizeof(uint32_t);
if(idxData + 1 > indices->end)
return QVariant();
idx = CalcIndex(indices, row, baseVertex);
idx = *(uint32_t *)idxData;
if(idx == ~0U)
return QVariant();
}
if(col == 1 && meshView)
@@ -563,6 +588,7 @@ public:
RDTableView *view = NULL;
int32_t baseVertex = 0;
uint32_t curInstance = 0;
uint32_t numRows = 0;
bool meshView = true;
@@ -1160,6 +1186,10 @@ void BufferViewer::OnEventChanged(uint32_t eventID)
const FetchDrawcall *draw = m_Ctx.CurDrawcall();
m_ModelVSIn->baseVertex = draw ? draw->baseVertex : 0;
m_ModelVSOut->baseVertex = draw ? draw->baseVertex : 0;
m_ModelGSOut->baseVertex = draw ? draw->baseVertex : 0;
ui->instance->setEnabled(draw && draw->numInstances > 1);
if(!ui->instance->isEnabled())
ui->instance->setValue(0);