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Construct VertexAttributeDescriptor, in order to match web idl

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The parameters about vertex attribute were encapsulated in
VertexAttributeDescriptor in web idl. This change construct
this descriptor accordingly.

BUG=dawn:107

Change-Id: Ia1c6e53af951d8f2a0c0b69bdca09291c2661e50
Reviewed-on: https://dawn-review.googlesource.com/c/4620
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Reviewed-by: Kai Ninomiya <kainino@chromium.org>
Commit-Queue: Yunchao He <yunchao.he@intel.com>
This commit is contained in:
Yunchao He
2019-02-14 00:35:39 +00:00
committed by Commit Bot service account
parent 445869d2b0
commit b2207737ab
18 changed files with 207 additions and 73 deletions
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23
examples/glTFViewer/glTFViewer.cpp
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@@ -247,16 +247,25 @@ namespace {
fprintf(stderr, "unsupported technique parameter type %d\n", iParameter.type);
continue;
}
dawn::VertexAttributeDescriptor attribute;
attribute.offset = 0;
attribute.format = format;
if (iParameter.semantic == "POSITION") {
builder.SetAttribute(0, 0, format, 0);
attribute.shaderLocation = 0;
attribute.inputSlot = 0;
builder.SetAttribute(&attribute);
builder.SetInput(0, static_cast<uint32_t>(stridePos), dawn::InputStepMode::Vertex);
slotsSet.set(0);
} else if (iParameter.semantic == "NORMAL") {
builder.SetAttribute(1, 1, format, 0);
attribute.shaderLocation = 1;
attribute.inputSlot = 1;
builder.SetAttribute(&attribute);
builder.SetInput(1, static_cast<uint32_t>(strideNor), dawn::InputStepMode::Vertex);
slotsSet.set(1);
} else if (iParameter.semantic == "TEXCOORD_0") {
builder.SetAttribute(2, 2, format, 0);
attribute.shaderLocation = 2;
attribute.inputSlot = 2;
builder.SetAttribute(&attribute);
builder.SetInput(2, static_cast<uint32_t>(strideTxc), dawn::InputStepMode::Vertex);
slotsSet.set(2);
} else {
@@ -268,7 +277,13 @@ namespace {
if (slotsSet[i]) {
continue;
}
builder.SetAttribute(i, i, dawn::VertexFormat::FloatR32G32B32A32, 0);
dawn::VertexAttributeDescriptor attribute;
attribute.offset = 0;
attribute.shaderLocation = i;
attribute.inputSlot = i;
attribute.format = dawn::VertexFormat::FloatR32G32B32A32;
builder.SetAttribute(&attribute);
builder.SetInput(i, 0, dawn::InputStepMode::Vertex);
}
auto inputState = builder.GetResult();