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Implement CreateBufferMapped in dawn_native for MAP_WRITE buffers only.

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This is the first command to return a struct. This patch also
updates the code generator to support structure return values.

Bug: dawn:7
Change-Id: Ie8acec895c0ec88429672138ffc900032fbbc447
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/4780
Reviewed-by: Kai Ninomiya <kainino@chromium.org>
Commit-Queue: Austin Eng <enga@chromium.org>
This commit is contained in:
Austin Eng
2019-05-15 18:55:22 +00:00
committed by Commit Bot service account
parent 0195dbf908
commit 740995c0b1
22 changed files with 241 additions and 12 deletions
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17
src/tests/unittests/validation/BufferValidationTests.cpp
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@@ -82,6 +82,15 @@ class BufferValidationTest : public ValidationTest {
return device.CreateBuffer(&descriptor);
}
dawn::CreateBufferMappedResult CreateBufferMapped(uint64_t size,
dawn::BufferUsageBit usage) {
dawn::BufferDescriptor descriptor;
descriptor.size = size;
descriptor.usage = usage;
return device.CreateBufferMapped(&descriptor);
}
dawn::Queue queue;
private:
@@ -183,6 +192,14 @@ TEST_F(BufferValidationTest, MapWriteSuccess) {
buf.Unmap();
}
// Test the success case for CreateBufferMapped
TEST_F(BufferValidationTest, CreateBufferMappedSuccess) {
dawn::CreateBufferMappedResult result = CreateBufferMapped(4, dawn::BufferUsageBit::MapWrite);
ASSERT_NE(result.data, nullptr);
ASSERT_EQ(result.dataLength, 4u);
result.buffer.Unmap();
}
// Test map reading a buffer with wrong current usage
TEST_F(BufferValidationTest, MapReadWrongUsage) {
dawn::BufferDescriptor descriptor;