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// Copyright 2018 The Dawn Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "dawn/tests/unittests/validation/ValidationTest.h"
#include "dawn/common/Constants.h"
#include "dawn/common/Math.h"
#include "dawn/utils/ComboRenderPipelineDescriptor.h"
#include "dawn/utils/TextureUtils.h"
#include "dawn/utils/WGPUHelpers.h"
namespace {
constexpr wgpu::TextureFormat kNonRenderableColorFormats[] = {
wgpu::TextureFormat::RG11B10Ufloat, wgpu::TextureFormat::RGB9E5Ufloat,
wgpu::TextureFormat::R8Snorm, wgpu::TextureFormat::RG8Snorm,
wgpu::TextureFormat::RGBA8Snorm,
};
wgpu::TextureDimension kDimensions[] = {
wgpu::TextureDimension::e1D,
wgpu::TextureDimension::e3D,
};
class TextureValidationTest : public ValidationTest {
protected:
void SetUp() override {
ValidationTest::SetUp();
queue = device.GetQueue();
}
wgpu::TextureDescriptor CreateDefaultTextureDescriptor() {
wgpu::TextureDescriptor descriptor;
descriptor.size.width = kWidth;
descriptor.size.height = kHeight;
descriptor.size.depthOrArrayLayers = kDefaultDepth;
descriptor.mipLevelCount = kDefaultMipLevels;
descriptor.sampleCount = kDefaultSampleCount;
descriptor.dimension = wgpu::TextureDimension::e2D;
descriptor.format = kDefaultTextureFormat;
descriptor.usage =
wgpu::TextureUsage::RenderAttachment | wgpu::TextureUsage::TextureBinding;
return descriptor;
}
wgpu::Queue queue;
private:
// Choose the LCM of all current compressed texture format texel dimensions as the
// dimensions of the default texture.
static constexpr uint32_t kWidth = 120;
static constexpr uint32_t kHeight = 120;
static constexpr uint32_t kDefaultDepth = 1;
static constexpr uint32_t kDefaultMipLevels = 1;
static constexpr uint32_t kDefaultSampleCount = 1;
static constexpr wgpu::TextureFormat kDefaultTextureFormat = wgpu::TextureFormat::RGBA8Unorm;
};
// Test the validation of non-zero texture usage
TEST_F(TextureValidationTest, UsageNonZero) {
wgpu::TextureDescriptor descriptor = CreateDefaultTextureDescriptor();
// Descriptor with proper usage is allowed
{
descriptor.usage = wgpu::TextureUsage::RenderAttachment;
device.CreateTexture(&descriptor);
}
// It is an error to create a texture with zero usage
{
descriptor.usage = wgpu::TextureUsage::None;
ASSERT_DEVICE_ERROR(device.CreateTexture(&descriptor));
}
}
// Test the validation of sample count
TEST_F(TextureValidationTest, SampleCount) {
wgpu::TextureDescriptor defaultDescriptor = CreateDefaultTextureDescriptor();
// sampleCount == 1 is allowed.
{
wgpu::TextureDescriptor descriptor = defaultDescriptor;
descriptor.sampleCount = 1;
device.CreateTexture(&descriptor);
}
// sampleCount == 4 is allowed.
{
wgpu::TextureDescriptor descriptor = defaultDescriptor;
descriptor.sampleCount = 4;
device.CreateTexture(&descriptor);
}
// It is an error to create a texture with an invalid sampleCount.
{
wgpu::TextureDescriptor descriptor = defaultDescriptor;
descriptor.sampleCount = 3;
ASSERT_DEVICE_ERROR(device.CreateTexture(&descriptor));
}
// It is an error to create a multisampled texture with mipLevelCount > 1.
{
wgpu::TextureDescriptor descriptor = defaultDescriptor;
descriptor.sampleCount = 4;
descriptor.mipLevelCount = 2;
ASSERT_DEVICE_ERROR(device.CreateTexture(&descriptor));
}
// It is an error to create a multisampled 1D or 3D texture.
{
wgpu::TextureDescriptor descriptor = defaultDescriptor;
descriptor.sampleCount = 4;
descriptor.size.height = 1;
descriptor.dimension = wgpu::TextureDimension::e1D;
ASSERT_DEVICE_ERROR(device.CreateTexture(&descriptor));
descriptor.dimension = wgpu::TextureDimension::e3D;
ASSERT_DEVICE_ERROR(device.CreateTexture(&descriptor));
}
// It is an error to create a multisample texture when the format cannot support
// multisample.
{
wgpu::TextureDescriptor descriptor = defaultDescriptor;
descriptor.sampleCount = 4;
for (wgpu::TextureFormat format : utils::kFormatsInCoreSpec) {
descriptor.format = format;
if (utils::TextureFormatSupportsMultisampling(format)) {
device.CreateTexture(&descriptor);
} else {
ASSERT_DEVICE_ERROR(device.CreateTexture(&descriptor));
}
}
}
// Currently we do not support multisampled 2D textures with depth > 1.
{
wgpu::TextureDescriptor descriptor = defaultDescriptor;
descriptor.sampleCount = 4;
descriptor.size.depthOrArrayLayers = 2;
ASSERT_DEVICE_ERROR(device.CreateTexture(&descriptor));
}
// It is an error to set TextureUsage::StorageBinding when sampleCount > 1.
{
wgpu::TextureDescriptor descriptor = defaultDescriptor;
descriptor.sampleCount = 4;
descriptor.usage |= wgpu::TextureUsage::StorageBinding;
ASSERT_DEVICE_ERROR(device.CreateTexture(&descriptor));
}
// It is an error to create a texture without TextureUsage::RenderAttachment usage when
// sampleCount > 1.
{
wgpu::TextureDescriptor descriptor = defaultDescriptor;
descriptor.sampleCount = 4;
descriptor.usage = wgpu::TextureUsage::TextureBinding;
ASSERT_DEVICE_ERROR(device.CreateTexture(&descriptor));
}
}
// Test the validation of the mip level count
TEST_F(TextureValidationTest, MipLevelCount) {
wgpu::TextureDescriptor defaultDescriptor = CreateDefaultTextureDescriptor();
defaultDescriptor.usage = wgpu::TextureUsage::TextureBinding;
// mipLevelCount == 1 is allowed
{
wgpu::TextureDescriptor descriptor = defaultDescriptor;
descriptor.size.width = 32;
descriptor.size.height = 32;
descriptor.mipLevelCount = 1;
device.CreateTexture(&descriptor);
}
// mipLevelCount == 0 is an error
{
wgpu::TextureDescriptor descriptor = defaultDescriptor;
descriptor.size.width = 32;
descriptor.size.height = 32;
descriptor.mipLevelCount = 0;
ASSERT_DEVICE_ERROR(device.CreateTexture(&descriptor));
}
// Full mip chains are allowed
{
wgpu::TextureDescriptor descriptor = defaultDescriptor;
descriptor.size.width = 32;
descriptor.size.height = 32;
// Mip level sizes: 32, 16, 8, 4, 2, 1
descriptor.mipLevelCount = 6;
device.CreateTexture(&descriptor);
}
// Test non-power-of-two width
{
wgpu::TextureDescriptor descriptor = defaultDescriptor;
// Mip level width: 31, 15, 7, 3, 1
descriptor.size.width = 31;
descriptor.size.height = 4;
// Full mip chains on non-power-of-two width are allowed
descriptor.mipLevelCount = 5;
device.CreateTexture(&descriptor);
// Too big mip chains on non-power-of-two width are disallowed
descriptor.mipLevelCount = 6;
ASSERT_DEVICE_ERROR(device.CreateTexture(&descriptor));
}
// Test non-power-of-two height
{
wgpu::TextureDescriptor descriptor = defaultDescriptor;
descriptor.size.width = 4;
// Mip level height: 31, 15, 7, 3, 1
descriptor.size.height = 31;
// Full mip chains on non-power-of-two height are allowed
descriptor.mipLevelCount = 5;
device.CreateTexture(&descriptor);
// Too big mip chains on non-power-of-two height are disallowed
descriptor.mipLevelCount = 6;
ASSERT_DEVICE_ERROR(device.CreateTexture(&descriptor));
}
// Undefined shift check if miplevel is bigger than the integer bit width.
{
wgpu::TextureDescriptor descriptor = defaultDescriptor;
descriptor.size.width = 32;
descriptor.size.height = 32;
descriptor.mipLevelCount = 100;
ASSERT_DEVICE_ERROR(device.CreateTexture(&descriptor));
}
// Non square mip map halves the resolution until a 1x1 dimension
{
wgpu::TextureDescriptor descriptor = defaultDescriptor;
descriptor.size.width = 32;
descriptor.size.height = 8;
// Mip maps: 32 * 8, 16 * 4, 8 * 2, 4 * 1, 2 * 1, 1 * 1
descriptor.mipLevelCount = 6;
device.CreateTexture(&descriptor);
}
// Non square mip map for a 3D textures
{
wgpu::TextureDescriptor descriptor = defaultDescriptor;
descriptor.size.width = 32;
descriptor.size.height = 8;
descriptor.size.depthOrArrayLayers = 64;
descriptor.dimension = wgpu::TextureDimension::e3D;
// Non square mip map halves width, height and depth until a 1x1x1 dimension for a 3D
// texture. So there are 7 mipmaps at most: 32 * 8 * 64, 16 * 4 * 32, 8 * 2 * 16,
// 4 * 1 * 8, 2 * 1 * 4, 1 * 1 * 2, 1 * 1 * 1.
descriptor.mipLevelCount = 7;
device.CreateTexture(&descriptor);
}
// Non square mip map for 2D textures with depth > 1
{
wgpu::TextureDescriptor descriptor = defaultDescriptor;
descriptor.size.width = 32;
descriptor.size.height = 8;
descriptor.size.depthOrArrayLayers = 64;
// Non square mip map halves width and height until a 1x1 dimension for a 2D texture,
// even its depth > 1. So there are 6 mipmaps at most: 32 * 8, 16 * 4, 8 * 2, 4 * 1, 2 *
// 1, 1 * 1.
descriptor.dimension = wgpu::TextureDimension::e2D;
descriptor.mipLevelCount = 7;
ASSERT_DEVICE_ERROR(device.CreateTexture(&descriptor));
descriptor.mipLevelCount = 6;
device.CreateTexture(&descriptor);
}
// Mip level equal to the maximum for a 2D texture is allowed
{
uint32_t maxTextureDimension2D = GetSupportedLimits().limits.maxTextureDimension2D;
wgpu::TextureDescriptor descriptor = defaultDescriptor;
descriptor.size.width = maxTextureDimension2D;
descriptor.size.height = maxTextureDimension2D;
descriptor.mipLevelCount = Log2(maxTextureDimension2D) + 1u;
device.CreateTexture(&descriptor);
}
// Mip level exceeding the maximum for a 2D texture not allowed
{
uint32_t maxTextureDimension2D = GetSupportedLimits().limits.maxTextureDimension2D;
wgpu::TextureDescriptor descriptor = defaultDescriptor;
descriptor.size.width = maxTextureDimension2D;
descriptor.size.height = maxTextureDimension2D;
descriptor.mipLevelCount = Log2(maxTextureDimension2D) + 2u;
ASSERT_DEVICE_ERROR(device.CreateTexture(&descriptor));
}
// 1D textures can only have a single mip level.
{
wgpu::TextureDescriptor descriptor = defaultDescriptor;
descriptor.dimension = wgpu::TextureDimension::e1D;
descriptor.size.width = 32;
descriptor.size.height = 1;
// Having a single mip level is allowed.
descriptor.mipLevelCount = 1;
device.CreateTexture(&descriptor);
// Having more than 1 is an error.
descriptor.mipLevelCount = 2;
ASSERT_DEVICE_ERROR(device.CreateTexture(&descriptor));
}
}
// Test the validation of array layer count
TEST_F(TextureValidationTest, ArrayLayerCount) {
wgpu::TextureDescriptor defaultDescriptor = CreateDefaultTextureDescriptor();
wgpu::Limits supportedLimits = GetSupportedLimits().limits;
// Array layer count exceeding maxTextureArrayLayers is not allowed for 2D texture
{
wgpu::TextureDescriptor descriptor = defaultDescriptor;
descriptor.size.depthOrArrayLayers = supportedLimits.maxTextureArrayLayers + 1u;
ASSERT_DEVICE_ERROR(device.CreateTexture(&descriptor));
}
// Array layer count less than maxTextureArrayLayers is allowed
{
wgpu::TextureDescriptor descriptor = defaultDescriptor;
descriptor.size.depthOrArrayLayers = supportedLimits.maxTextureArrayLayers >> 1;
device.CreateTexture(&descriptor);
}
// Array layer count equal to maxTextureArrayLayers is allowed
{
wgpu::TextureDescriptor descriptor = defaultDescriptor;
descriptor.size.depthOrArrayLayers = supportedLimits.maxTextureArrayLayers;
device.CreateTexture(&descriptor);
}
}
// Test the validation of 1D texture size
TEST_F(TextureValidationTest, 1DTextureSize) {
wgpu::Limits supportedLimits = GetSupportedLimits().limits;
wgpu::TextureDescriptor defaultDescriptor;
defaultDescriptor.size = {4, 1, 1};
defaultDescriptor.dimension = wgpu::TextureDimension::e1D;
defaultDescriptor.usage = wgpu::TextureUsage::CopySrc;
defaultDescriptor.format = wgpu::TextureFormat::RGBA8Unorm;
// Width must be in [1, kMaxTextureDimension1D]
{
wgpu::TextureDescriptor desc = defaultDescriptor;
desc.size.width = 0;
ASSERT_DEVICE_ERROR(device.CreateTexture(&desc));
desc.size.width = 1;
device.CreateTexture(&desc);
desc.size.width = supportedLimits.maxTextureDimension1D;
device.CreateTexture(&desc);
desc.size.width = supportedLimits.maxTextureDimension1D + 1u;
ASSERT_DEVICE_ERROR(device.CreateTexture(&desc));
}
// Height must be 1
{
wgpu::TextureDescriptor desc = defaultDescriptor;
desc.size.height = 2;
ASSERT_DEVICE_ERROR(device.CreateTexture(&desc));
desc.size.height = 0;
ASSERT_DEVICE_ERROR(device.CreateTexture(&desc));
}
// DepthOrArrayLayers must be 1
{
wgpu::TextureDescriptor desc = defaultDescriptor;
desc.size.depthOrArrayLayers = 2;
ASSERT_DEVICE_ERROR(device.CreateTexture(&desc));
desc.size.depthOrArrayLayers = 0;
ASSERT_DEVICE_ERROR(device.CreateTexture(&desc));
}
}
// Test the validation of 2D texture size
TEST_F(TextureValidationTest, 2DTextureSize) {
wgpu::TextureDescriptor defaultDescriptor = CreateDefaultTextureDescriptor();
wgpu::Limits supportedLimits = GetSupportedLimits().limits;
// Out-of-bound texture dimension is not allowed
{
wgpu::TextureDescriptor descriptor = defaultDescriptor;
descriptor.size.width = supportedLimits.maxTextureDimension2D + 1u;
ASSERT_DEVICE_ERROR(device.CreateTexture(&descriptor));
descriptor.size.width = 1;
descriptor.size.height = supportedLimits.maxTextureDimension2D + 1u;
ASSERT_DEVICE_ERROR(device.CreateTexture(&descriptor));
}
// Zero-sized texture is not allowed
{
wgpu::TextureDescriptor descriptor = defaultDescriptor;
descriptor.size = {0, 1, 1};
ASSERT_DEVICE_ERROR(device.CreateTexture(&descriptor));
descriptor.size = {1, 0, 1};
ASSERT_DEVICE_ERROR(device.CreateTexture(&descriptor));
descriptor.size = {1, 1, 0};
// 2D texture with depth=0 is not allowed
ASSERT_DEVICE_ERROR(device.CreateTexture(&descriptor));
}
// Texture size less than max dimension is allowed
{
wgpu::TextureDescriptor descriptor = defaultDescriptor;
descriptor.size.width = supportedLimits.maxTextureDimension2D >> 1;
descriptor.size.height = supportedLimits.maxTextureDimension2D >> 1;
device.CreateTexture(&descriptor);
}
// Texture size equal to max dimension is allowed
{
wgpu::TextureDescriptor descriptor = defaultDescriptor;
descriptor.size.width = supportedLimits.maxTextureDimension2D;
descriptor.size.height = supportedLimits.maxTextureDimension2D;
descriptor.dimension = wgpu::TextureDimension::e2D;
device.CreateTexture(&descriptor);
}
}
// Test the validation of 3D texture size
TEST_F(TextureValidationTest, 3DTextureSize) {
wgpu::TextureDescriptor defaultDescriptor = CreateDefaultTextureDescriptor();
defaultDescriptor.dimension = wgpu::TextureDimension::e3D;
defaultDescriptor.usage = wgpu::TextureUsage::TextureBinding;
wgpu::Limits supportedLimits = GetSupportedLimits().limits;
// Out-of-bound texture dimension is not allowed
{
wgpu::TextureDescriptor descriptor = defaultDescriptor;
descriptor.size = {supportedLimits.maxTextureDimension3D + 1u, 1, 1};
ASSERT_DEVICE_ERROR(device.CreateTexture(&descriptor));
descriptor.size = {1, supportedLimits.maxTextureDimension3D + 1u, 1};
ASSERT_DEVICE_ERROR(device.CreateTexture(&descriptor));
descriptor.size = {1, 1, supportedLimits.maxTextureDimension3D + 1u};
ASSERT_DEVICE_ERROR(device.CreateTexture(&descriptor));
}
// Zero-sized texture is not allowed
{
wgpu::TextureDescriptor descriptor = defaultDescriptor;
descriptor.size = {0, 1, 1};
ASSERT_DEVICE_ERROR(device.CreateTexture(&descriptor));
descriptor.size = {1, 0, 1};
ASSERT_DEVICE_ERROR(device.CreateTexture(&descriptor));
descriptor.size = {1, 1, 0};
ASSERT_DEVICE_ERROR(device.CreateTexture(&descriptor));
}
// Texture size less than max dimension is allowed
{
wgpu::TextureDescriptor descriptor = defaultDescriptor;
descriptor.size = {supportedLimits.maxTextureDimension3D >> 1,
supportedLimits.maxTextureDimension3D >> 1,
supportedLimits.maxTextureDimension3D >> 1};
device.CreateTexture(&descriptor);
}
// Texture size equal to max dimension is allowed
{
wgpu::TextureDescriptor descriptor = defaultDescriptor;
descriptor.size = {supportedLimits.maxTextureDimension3D,
supportedLimits.maxTextureDimension3D,
supportedLimits.maxTextureDimension3D};
device.CreateTexture(&descriptor);
}
}
// Test that depth/stencil formats are invalid for 1D and 3D texture
TEST_F(TextureValidationTest, DepthStencilFormatsFor1DAnd3D) {
wgpu::TextureDescriptor descriptor = CreateDefaultTextureDescriptor();
wgpu::TextureFormat depthStencilFormats[] = {
wgpu::TextureFormat::Stencil8, wgpu::TextureFormat::Depth16Unorm,
wgpu::TextureFormat::Depth24Plus, wgpu::TextureFormat::Depth24PlusStencil8,
wgpu::TextureFormat::Depth32Float,
};
for (wgpu::TextureDimension dimension : kDimensions) {
for (wgpu::TextureFormat format : depthStencilFormats) {
descriptor.format = format;
descriptor.dimension = dimension;
ASSERT_DEVICE_ERROR(device.CreateTexture(&descriptor));
}
}
}
// Test that it is valid to destroy a texture
TEST_F(TextureValidationTest, DestroyTexture) {
wgpu::TextureDescriptor descriptor = CreateDefaultTextureDescriptor();
wgpu::Texture texture = device.CreateTexture(&descriptor);
texture.Destroy();
}
// Test that it's valid to destroy a destroyed texture
TEST_F(TextureValidationTest, DestroyDestroyedTexture) {
wgpu::TextureDescriptor descriptor = CreateDefaultTextureDescriptor();
wgpu::Texture texture = device.CreateTexture(&descriptor);
texture.Destroy();
texture.Destroy();
}
// Test that it's invalid to submit a destroyed texture in a queue
// in the case of destroy, encode, submit
TEST_F(TextureValidationTest, DestroyEncodeSubmit) {
wgpu::TextureDescriptor descriptor = CreateDefaultTextureDescriptor();
wgpu::Texture texture = device.CreateTexture(&descriptor);
wgpu::TextureView textureView = texture.CreateView();
utils::ComboRenderPassDescriptor renderPass({textureView});
// Destroy the texture
texture.Destroy();
wgpu::CommandEncoder encoder_post_destroy = device.CreateCommandEncoder();
{
wgpu::RenderPassEncoder pass = encoder_post_destroy.BeginRenderPass(&renderPass);
pass.End();
}
wgpu::CommandBuffer commands = encoder_post_destroy.Finish();
// Submit should fail due to destroyed texture
ASSERT_DEVICE_ERROR(queue.Submit(1, &commands));
}
// Test that it's invalid to submit a destroyed texture in a queue
// in the case of encode, destroy, submit
TEST_F(TextureValidationTest, EncodeDestroySubmit) {
wgpu::TextureDescriptor descriptor = CreateDefaultTextureDescriptor();
wgpu::Texture texture = device.CreateTexture(&descriptor);
wgpu::TextureView textureView = texture.CreateView();
utils::ComboRenderPassDescriptor renderPass({textureView});
wgpu::CommandEncoder encoder = device.CreateCommandEncoder();
{
wgpu::RenderPassEncoder pass = encoder.BeginRenderPass(&renderPass);
pass.End();
}
wgpu::CommandBuffer commands = encoder.Finish();
// Destroy the texture
texture.Destroy();
// Submit should fail due to destroyed texture
ASSERT_DEVICE_ERROR(queue.Submit(1, &commands));
}
// Test it is an error to create an RenderAttachment texture with a non-renderable format.
TEST_F(TextureValidationTest, NonRenderableAndRenderAttachment) {
wgpu::TextureDescriptor descriptor;
descriptor.size = {1, 1, 1};
descriptor.usage = wgpu::TextureUsage::RenderAttachment;
// Succeeds because RGBA8Unorm is renderable
descriptor.format = wgpu::TextureFormat::RGBA8Unorm;
device.CreateTexture(&descriptor);
for (wgpu::TextureFormat format : kNonRenderableColorFormats) {
// Fails because `format` is non-renderable
descriptor.format = format;
ASSERT_DEVICE_ERROR(device.CreateTexture(&descriptor));
}
}
// Test it is an error to create a Storage texture with any format that doesn't support
// TextureUsage::StorageBinding texture usages.
TEST_F(TextureValidationTest, TextureFormatNotSupportTextureUsageStorage) {
wgpu::TextureDescriptor descriptor;
descriptor.size = {1, 1, 1};
descriptor.usage = wgpu::TextureUsage::StorageBinding;
for (wgpu::TextureFormat format : utils::kAllTextureFormats) {
descriptor.format = format;
if (utils::TextureFormatSupportsStorageTexture(format)) {
device.CreateTexture(&descriptor);
} else {
ASSERT_DEVICE_ERROR(device.CreateTexture(&descriptor));
}
}
}
// Test it is an error to create a RenderAttachment texture with the texture dimensions that
// doesn't support TextureUsage::RenderAttachment texture usages.
TEST_F(TextureValidationTest, TextureDimensionNotSupportRenderAttachment) {
wgpu::TextureDescriptor descriptor;
descriptor.size = {1, 1, 1};
descriptor.format = wgpu::TextureFormat::RGBA8Unorm;
descriptor.usage = wgpu::TextureUsage::RenderAttachment;
constexpr std::array<wgpu::TextureDimension, 3> kTextureDimensions = {
{wgpu::TextureDimension::e1D, wgpu::TextureDimension::e2D, wgpu::TextureDimension::e3D}};
for (wgpu::TextureDimension dimension : kTextureDimensions) {
descriptor.dimension = dimension;
if (dimension == wgpu::TextureDimension::e2D) {
device.CreateTexture(&descriptor);
} else {
ASSERT_DEVICE_ERROR(device.CreateTexture(&descriptor));
}
}
}
// Test it is an error to create a texture with format "Undefined".
TEST_F(TextureValidationTest, TextureFormatUndefined) {
wgpu::TextureDescriptor descriptor = CreateDefaultTextureDescriptor();
descriptor.format = wgpu::TextureFormat::Undefined;
ASSERT_DEVICE_ERROR(device.CreateTexture(&descriptor));
}
// Test that the creation of a texture with depth32float-stencil8 will fail when the feature
// Depth32FloatStencil8 is not enabled.
TEST_F(TextureValidationTest, UseD32S8FormatWithoutEnablingFeature) {
wgpu::TextureDescriptor descriptor = CreateDefaultTextureDescriptor();
descriptor.format = wgpu::TextureFormat::Depth32FloatStencil8;
ASSERT_DEVICE_ERROR(device.CreateTexture(&descriptor));
}
// Test that the creation of a texture with BC format will fail when the feature
// textureCompressionBC is not enabled.
TEST_F(TextureValidationTest, UseBCFormatWithoutEnablingFeature) {
for (wgpu::TextureFormat format : utils::kBCFormats) {
wgpu::TextureDescriptor descriptor = CreateDefaultTextureDescriptor();
descriptor.format = format;
ASSERT_DEVICE_ERROR(device.CreateTexture(&descriptor));
}
}
// Test that the creation of a texture with ETC2 format will fail when the feature
// textureCompressionETC2 is not enabled.
TEST_F(TextureValidationTest, UseETC2FormatWithoutEnablingFeature) {
for (wgpu::TextureFormat format : utils::kETC2Formats) {
wgpu::TextureDescriptor descriptor = CreateDefaultTextureDescriptor();
descriptor.format = format;
ASSERT_DEVICE_ERROR(device.CreateTexture(&descriptor));
}
}
// Test that the creation of a texture with ASTC format will fail when the feature
// textureCompressionASTC is not enabled.
TEST_F(TextureValidationTest, UseASTCFormatWithoutEnablingFeature) {
for (wgpu::TextureFormat format : utils::kASTCFormats) {
wgpu::TextureDescriptor descriptor = CreateDefaultTextureDescriptor();
descriptor.format = format;
ASSERT_DEVICE_ERROR(device.CreateTexture(&descriptor));
}
}
class D32S8TextureFormatsValidationTests : public TextureValidationTest {
protected:
WGPUDevice CreateTestDevice(dawn::native::Adapter dawnAdapter) override {
wgpu::DeviceDescriptor descriptor;
wgpu::FeatureName requiredFeatures[1] = {wgpu::FeatureName::Depth32FloatStencil8};
descriptor.requiredFeatures = requiredFeatures;
descriptor.requiredFeaturesCount = 1;
return dawnAdapter.CreateDevice(&descriptor);
}
};
// Test that depth32float-stencil8 format is invalid for 3D texture
TEST_F(D32S8TextureFormatsValidationTests, DepthStencilFormatsFor3D) {
wgpu::TextureDescriptor descriptor = CreateDefaultTextureDescriptor();
for (wgpu::TextureDimension dimension : kDimensions) {
descriptor.format = wgpu::TextureFormat::Depth32FloatStencil8;
descriptor.dimension = dimension;
ASSERT_DEVICE_ERROR(device.CreateTexture(&descriptor));
}
}
class CompressedTextureFormatsValidationTests : public TextureValidationTest {
protected:
WGPUDevice CreateTestDevice(dawn::native::Adapter dawnAdapter) override {
wgpu::DeviceDescriptor descriptor;
wgpu::FeatureName requiredFeatures[3] = {wgpu::FeatureName::TextureCompressionBC,
wgpu::FeatureName::TextureCompressionETC2,
wgpu::FeatureName::TextureCompressionASTC};
descriptor.requiredFeatures = requiredFeatures;
descriptor.requiredFeaturesCount = 3;
// TODO(dawn:814): Remove when 1D texture support is complete.
const char* kDisallowUnsafeApis = "disallow_unsafe_apis";
wgpu::DawnTogglesDeviceDescriptor togglesDesc;
togglesDesc.forceDisabledToggles = &kDisallowUnsafeApis;
togglesDesc.forceDisabledTogglesCount = 1;
descriptor.nextInChain = &togglesDesc;
return dawnAdapter.CreateDevice(&descriptor);
}
wgpu::TextureDescriptor CreateDefaultTextureDescriptor() {
wgpu::TextureDescriptor descriptor =
TextureValidationTest::CreateDefaultTextureDescriptor();
descriptor.usage = wgpu::TextureUsage::CopySrc | wgpu::TextureUsage::CopyDst |
wgpu::TextureUsage::TextureBinding;
descriptor.size.width = kWidth;
descriptor.size.height = kHeight;
return descriptor;
}
private:
// Choose the LCM of all current compressed texture format texel dimensions as the
// dimensions of the default texture.
static constexpr uint32_t kWidth = 120;
static constexpr uint32_t kHeight = 120;
};
// Test that only CopySrc, CopyDst and Sampled are accepted as usage in compressed formats.
TEST_F(CompressedTextureFormatsValidationTests, TextureUsage) {
wgpu::TextureUsage invalidUsages[] = {
wgpu::TextureUsage::RenderAttachment,
wgpu::TextureUsage::StorageBinding,
wgpu::TextureUsage::Present,
};
for (wgpu::TextureFormat format : utils::kCompressedFormats) {
for (wgpu::TextureUsage usage : invalidUsages) {
wgpu::TextureDescriptor descriptor = CreateDefaultTextureDescriptor();
descriptor.format = format;
descriptor.usage = usage;
ASSERT_DEVICE_ERROR(device.CreateTexture(&descriptor));
}
}
}
// Test that using various MipLevelCount is allowed for compressed formats.
TEST_F(CompressedTextureFormatsValidationTests, MipLevelCount) {
for (wgpu::TextureFormat format : utils::kCompressedFormats) {
for (uint32_t mipLevels : {1, 3, 6}) {
wgpu::TextureDescriptor descriptor = CreateDefaultTextureDescriptor();
descriptor.format = format;
descriptor.mipLevelCount = mipLevels;
device.CreateTexture(&descriptor);
}
}
}
// Test that it is invalid to specify SampleCount>1 in compressed formats.
TEST_F(CompressedTextureFormatsValidationTests, SampleCount) {
for (wgpu::TextureFormat format : utils::kCompressedFormats) {
wgpu::TextureDescriptor descriptor = CreateDefaultTextureDescriptor();
descriptor.format = format;
descriptor.sampleCount = 4;
ASSERT_DEVICE_ERROR(device.CreateTexture(&descriptor));
}
}
// Test that it is allowed to create a 2D texture with depth>1 in compressed formats.
TEST_F(CompressedTextureFormatsValidationTests, 2DArrayTexture) {
for (wgpu::TextureFormat format : utils::kCompressedFormats) {
wgpu::TextureDescriptor descriptor = CreateDefaultTextureDescriptor();
descriptor.format = format;
descriptor.size.depthOrArrayLayers = 6;
device.CreateTexture(&descriptor);
}
}
// Test that it is not allowed to create a 1D texture in compressed formats.
TEST_F(CompressedTextureFormatsValidationTests, 1DTexture) {
for (wgpu::TextureFormat format : utils::kCompressedFormats) {
wgpu::TextureDescriptor descriptor = CreateDefaultTextureDescriptor();
descriptor.format = format;
// Unfortunately we can't use the block height here otherwise validation for the max
// texture 1D size will trigger. We check the error message below to make sure the
// correct code path is covered.
descriptor.size.height = 1;
descriptor.size.depthOrArrayLayers = 1;
descriptor.dimension = wgpu::TextureDimension::e1D;
ASSERT_DEVICE_ERROR(
device.CreateTexture(&descriptor),
testing::HasSubstr(
"The dimension (TextureDimension::e1D) of a texture with a compressed format"));
}
}
// Test that it is not allowed to create a 3D texture in compressed formats.
TEST_F(CompressedTextureFormatsValidationTests, 3DTexture) {
for (wgpu::TextureFormat format : utils::kCompressedFormats) {
wgpu::TextureDescriptor descriptor = CreateDefaultTextureDescriptor();
descriptor.format = format;
descriptor.size.depthOrArrayLayers = 4;
descriptor.dimension = wgpu::TextureDimension::e3D;
ASSERT_DEVICE_ERROR(device.CreateTexture(&descriptor));
}
}
// Test that it is invalid to use numbers for a texture's width/height that are not multiples
// of the compressed block sizes.
TEST_F(CompressedTextureFormatsValidationTests, TextureSize) {
for (wgpu::TextureFormat format : utils::kCompressedFormats) {
uint32_t blockWidth = utils::GetTextureFormatBlockWidth(format);
uint32_t blockHeight = utils::GetTextureFormatBlockHeight(format);
// Test that the default size (120 x 120) is valid for all formats.
{
wgpu::TextureDescriptor descriptor = CreateDefaultTextureDescriptor();
descriptor.format = format;
ASSERT_TRUE(descriptor.size.width % blockWidth == 0 &&
descriptor.size.height % blockHeight == 0);
device.CreateTexture(&descriptor);
}
// Test that invalid width should cause an error. Note that if the block width of the
// compression type is even, we test that alignment to half the width is not sufficient.
{
wgpu::TextureDescriptor descriptor = CreateDefaultTextureDescriptor();
descriptor.format = format;
descriptor.size.width =
blockWidth % 2 == 0 ? blockWidth - (blockWidth / 2) : blockWidth - 1;
ASSERT_DEVICE_ERROR(device.CreateTexture(&descriptor));
}
// Test that invalid width should cause an error. Note that if the block height of the
// compression type is even, we test that alignment to half the height is not
// sufficient.
{
wgpu::TextureDescriptor descriptor = CreateDefaultTextureDescriptor();
descriptor.format = format;
descriptor.size.height =
blockHeight % 2 == 0 ? blockHeight - (blockHeight / 2) : blockHeight - 1;
ASSERT_DEVICE_ERROR(device.CreateTexture(&descriptor));
}
// Test a working dimension based on some constant multipliers to the dimensions.
{
constexpr uint32_t kWidthMultiplier = 3;
constexpr uint32_t kHeightMultiplier = 8;
wgpu::TextureDescriptor descriptor = CreateDefaultTextureDescriptor();
descriptor.format = format;
descriptor.size.width = kWidthMultiplier * blockWidth;
descriptor.size.height = kHeightMultiplier * blockHeight;
device.CreateTexture(&descriptor);
}
}
}
class RG11B10UfloatTextureFormatsValidationTests : public TextureValidationTest {
protected:
WGPUDevice CreateTestDevice(dawn::native::Adapter dawnAdapter) override {
wgpu::DeviceDescriptor descriptor;
wgpu::FeatureName requiredFeatures[1] = {wgpu::FeatureName::RG11B10UfloatRenderable};
descriptor.requiredFeatures = requiredFeatures;
descriptor.requiredFeaturesCount = 1;
return dawnAdapter.CreateDevice(&descriptor);
}
};
// Test that RG11B10Ufloat format is valid as render attachment and also it allows
// multisampling if "rg11b10ufloat-renderable" feature is enabled
TEST_F(RG11B10UfloatTextureFormatsValidationTests, RenderableFeature) {
wgpu::TextureDescriptor descriptor;
descriptor.size = {1, 1, 1};
descriptor.usage = wgpu::TextureUsage::RenderAttachment;
descriptor.format = wgpu::TextureFormat::RG11B10Ufloat;
descriptor.sampleCount = 4;
device.CreateTexture(&descriptor);
}
static void CheckTextureMatchesDescriptor(const wgpu::Texture& tex,
const wgpu::TextureDescriptor& desc) {
EXPECT_EQ(desc.size.width, tex.GetWidth());
EXPECT_EQ(desc.size.height, tex.GetHeight());
EXPECT_EQ(desc.size.depthOrArrayLayers, tex.GetDepthOrArrayLayers());
EXPECT_EQ(desc.mipLevelCount, tex.GetMipLevelCount());
EXPECT_EQ(desc.sampleCount, tex.GetSampleCount());
EXPECT_EQ(desc.dimension, tex.GetDimension());
EXPECT_EQ(desc.usage, tex.GetUsage());
EXPECT_EQ(desc.format, tex.GetFormat());
}
// Test that the texture creation parameters are correctly reflected for succesfully created
// textures.
TEST_F(TextureValidationTest, CreationParameterReflectionForValidTextures) {
// Test reflection on two succesfully created but different textures.
{
wgpu::TextureDescriptor desc;
desc.size = {3, 2, 1};
desc.mipLevelCount = 1;
desc.sampleCount = 4;
desc.dimension = wgpu::TextureDimension::e2D;
desc.usage = wgpu::TextureUsage::RenderAttachment;
desc.format = wgpu::TextureFormat::RGBA8Unorm;
wgpu::Texture tex = device.CreateTexture(&desc);
CheckTextureMatchesDescriptor(tex, desc);
}
{
wgpu::TextureDescriptor desc;
desc.size = {47, 32, 19};
desc.mipLevelCount = 3;
desc.sampleCount = 1;
desc.dimension = wgpu::TextureDimension::e3D;
desc.usage = wgpu::TextureUsage::TextureBinding;
desc.format = wgpu::TextureFormat::R32Float;
wgpu::Texture tex = device.CreateTexture(&desc);
CheckTextureMatchesDescriptor(tex, desc);
}
}
// Test that the texture creation parameters are correctly reflected for error textures.
TEST_F(TextureValidationTest, CreationParameterReflectionForErrorTextures) {
// Fill a descriptor with a bunch of garbage values.
wgpu::TextureDescriptor desc;
desc.size = {0, 0xFFFF'FFFF, 1};
desc.mipLevelCount = 0;
desc.sampleCount = 42;
desc.dimension = static_cast<wgpu::TextureDimension>(0xFFFF'FF00);
desc.usage = static_cast<wgpu::TextureUsage>(0xFFFF'FFFF);
desc.format = static_cast<wgpu::TextureFormat>(0xFFFF'FFF0);
// Error! Because the texture width is 0.
wgpu::Texture tex;
ASSERT_DEVICE_ERROR(tex = device.CreateTexture(&desc));
CheckTextureMatchesDescriptor(tex, desc);
}
// Test that CreateErrorTexture creates an invalid texture but doesn't produce an error.
TEST_F(TextureValidationTest, CreateErrorTexture) {
wgpu::TextureDescriptor desc;
desc.format = wgpu::TextureFormat::RGBA8Unorm;
desc.size = {1, 1, 1};
desc.usage = wgpu::TextureUsage::RenderAttachment;
// Check that the descriptor is valid.
device.CreateTexture(&desc);
// Creating the error texture doesn't produce a validation error.
wgpu::Texture tex = device.CreateErrorTexture(&desc);
// Using the texture, for example to create a view, is an error.
ASSERT_DEVICE_ERROR(tex.CreateView());
}
// Test that the texture creation parameters are correctly reflected for textures created via
// CreateErrorTexture
TEST_F(TextureValidationTest, CreationParameterReflectionForCreateErrorTexture) {
wgpu::TextureDescriptor desc;
desc.format = wgpu::TextureFormat::RGBA8Unorm;
desc.size = {1, 1, 1};
desc.usage = wgpu::TextureUsage::RenderAttachment;
wgpu::Texture tex = device.CreateErrorTexture(&desc);
CheckTextureMatchesDescriptor(tex, desc);
}
} // namespace