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Remove TINT_EXPECTS_UBOS_TO_BE_MULTIPLE_OF_16 macro usage 

This was a temporary measure to be able to roll Tint into Dawn with this
change. The macro will be removed in Tint once this lands.

Bug: tint:984
Change-Id: If599e92b16b5edd96b357ce5ee57143a2c00e22d
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/58365
Reviewed-by: Austin Eng <enga@chromium.org>
Reviewed-by: Ben Clayton <bclayton@google.com>
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Commit-Queue: Antonio Maiorano <amaiorano@google.com>
This commit is contained in:
Antonio Maiorano 2021-07-16 17:30:50 +00:00 committed by Dawn LUCI CQ
parent ffc0a1f6fc
commit 70324d89e0
1 changed files with 6 additions and 7 deletions
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13
src/dawn_native/metal/CommandBufferMTL.mm
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@ -274,7 +274,9 @@ namespace dawn_native { namespace metal {
// The lengths of buffers are stored as 32bit integers because that is the width the
// MSL code generated by SPIRV-Cross expects.
PerStage<std::array<uint32_t, ((kGenericMetalBufferSlots / 4) + 1) * 4>> data;
// UBOs require we align the max buffer count to 4 elements (16 bytes).
static constexpr size_t MaxBufferCount = ((kGenericMetalBufferSlots + 3) / 4) * 4;
PerStage<std::array<uint32_t, MaxBufferCount>> data;
void Apply(id<MTLRenderCommandEncoder> render,
RenderPipeline* pipeline,
@ -294,10 +296,9 @@ namespace dawn_native { namespace metal {
bufferCount += pipeline->GetVertexBufferCount();
}
#ifdef TINT_EXPECTS_UBOS_TO_BE_MULTIPLE_OF_16
bufferCount = Align(bufferCount, 4);
ASSERT(bufferCount <= data[SingleShaderStage::Vertex].size());
#endif
[render setVertexBytes:data[SingleShaderStage::Vertex].data()
length:sizeof(uint32_t) * bufferCount
atIndex:kBufferLengthBufferSlot];
@ -306,10 +307,9 @@ namespace dawn_native { namespace metal {
if (stagesToApply & wgpu::ShaderStage::Fragment) {
uint32_t bufferCount = ToBackend(pipeline->GetLayout())
->GetBufferBindingCount(SingleShaderStage::Fragment);
#ifdef TINT_EXPECTS_UBOS_TO_BE_MULTIPLE_OF_16
bufferCount = Align(bufferCount, 4);
ASSERT(bufferCount <= data[SingleShaderStage::Fragment].size());
#endif
[render setFragmentBytes:data[SingleShaderStage::Fragment].data()
length:sizeof(uint32_t) * bufferCount
atIndex:kBufferLengthBufferSlot];
@ -330,10 +330,9 @@ namespace dawn_native { namespace metal {
uint32_t bufferCount = ToBackend(pipeline->GetLayout())
->GetBufferBindingCount(SingleShaderStage::Compute);
#ifdef TINT_EXPECTS_UBOS_TO_BE_MULTIPLE_OF_16
bufferCount = Align(bufferCount, 4);
ASSERT(bufferCount <= data[SingleShaderStage::Compute].size());
#endif
[compute setBytes:data[SingleShaderStage::Compute].data()
length:sizeof(uint32_t) * bufferCount
atIndex:kBufferLengthBufferSlot];