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OpenGL: Enable nonzero_clear_resources_on_creation_for_testing on buffer 

This patch enables nonzero_clear_resources_on_creation_for_testing
toggle on buffer on OpenGL backends as a preparation of supporting
buffer lazy-initialization in Dawn.

BUG=dawn:414
TEST=dawn_end2end_tests

Change-Id: Ib49ad17a5d89e14dbdb08d2eb8d6441fadb68f10
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/23143
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Reviewed-by: Austin Eng <enga@chromium.org>
Commit-Queue: Jiawei Shao <jiawei.shao@intel.com>
This commit is contained in:
Jiawei Shao 2020-06-13 01:04:53 +00:00 committed by Commit Bot service account
parent 2ef2be746d
commit 6b3a974b42
2 changed files with 8 additions and 1 deletions
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6
src/dawn_native/opengl/BufferGL.cpp
View File

@ -28,8 +28,14 @@ namespace dawn_native { namespace opengl {
device->gl.GenBuffers(1, &mBuffer);
device->gl.BindBuffer(GL_ARRAY_BUFFER, mBuffer);
if (device->IsToggleEnabled(Toggle::NonzeroClearResourcesOnCreationForTesting)) {
std::vector<uint8_t> clearValues(size, 1u);
device->gl.BufferData(GL_ARRAY_BUFFER, size, clearValues.data(), GL_STATIC_DRAW);
} else {
device->gl.BufferData(GL_ARRAY_BUFFER, size, nullptr, GL_STATIC_DRAW);
}
}
Buffer::~Buffer() {
DestroyInternal();

1
src/tests/end2end/NonzeroBufferCreationTests.cpp
View File

@ -53,4 +53,5 @@ TEST_P(NonzeroBufferCreationTests, BufferCreationWithMapWriteWithoutCopyDstUsage
DAWN_INSTANTIATE_TEST(NonzeroBufferCreationTests,
D3D12Backend({"nonzero_clear_resources_on_creation_for_testing"}),
MetalBackend({"nonzero_clear_resources_on_creation_for_testing"}),
OpenGLBackend({"nonzero_clear_resources_on_creation_for_testing"}),
VulkanBackend({"nonzero_clear_resources_on_creation_for_testing"}));