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https://github.com/encounter/dawn-cmake.git
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ecd31c5ee6
Removes the texture_external overload for textureSample and replaces it with a texture_external overload of textureSampleLevel to match merged spec. Adds a transform that adds the implicit level parameter to textureSampleLevel. Modifies unit tests to reflect change. Bug: dawn:728 Change-Id: I2dbc9232b4343db1075be79fda0054231860f3b1 Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/50701 Commit-Queue: Ben Clayton <bclayton@google.com> Kokoro: Kokoro <noreply+kokoro@google.com> Reviewed-by: Ben Clayton <bclayton@google.com>
108 lines
2.8 KiB
C++
108 lines
2.8 KiB
C++
// Copyright 2021 The Tint Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "src/transform/external_texture_transform.h"
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#include "src/transform/test_helper.h"
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namespace tint {
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namespace transform {
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namespace {
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using ExternalTextureTransformTest = TransformTest;
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TEST_F(ExternalTextureTransformTest, SampleLevelSinglePlane) {
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auto* src = R"(
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[[group(0), binding(0)]] var s : sampler;
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[[group(0), binding(1)]] var t : texture_external;
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[[stage(fragment)]]
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fn main([[builtin(position)]] coord : vec4<f32>) -> [[location(0)]] vec4<f32> {
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return textureSampleLevel(t, s, (coord.xy / vec2<f32>(4.0, 4.0)));
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}
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)";
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auto* expect = R"(
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[[group(0), binding(0)]] var s : sampler;
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[[group(0), binding(1)]] var t : texture_2d<f32>;
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[[stage(fragment)]]
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fn main([[builtin(position)]] coord : vec4<f32>) -> [[location(0)]] vec4<f32> {
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return textureSampleLevel(t, s, (coord.xy / vec2<f32>(4.0, 4.0)), 0.0);
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}
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)";
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auto got = Run<ExternalTextureTransform>(src);
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EXPECT_EQ(expect, str(got));
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}
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TEST_F(ExternalTextureTransformTest, LoadSinglePlane) {
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auto* src = R"(
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[[group(0), binding(0)]] var t : texture_external;
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[[stage(fragment)]]
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fn main([[builtin(position)]] coord : vec4<f32>) -> [[location(0)]] vec4<f32> {
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return textureLoad(t, vec2<i32>(1, 1));
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}
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)";
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auto* expect = R"(
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[[group(0), binding(0)]] var t : texture_2d<f32>;
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[[stage(fragment)]]
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fn main([[builtin(position)]] coord : vec4<f32>) -> [[location(0)]] vec4<f32> {
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return textureLoad(t, vec2<i32>(1, 1), 0);
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}
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)";
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auto got = Run<ExternalTextureTransform>(src);
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EXPECT_EQ(expect, str(got));
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}
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TEST_F(ExternalTextureTransformTest, DimensionsSinglePlane) {
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auto* src = R"(
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[[group(0), binding(0)]] var t : texture_external;
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[[stage(fragment)]]
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fn main([[builtin(position)]] coord : vec4<f32>) -> [[location(0)]] vec4<f32> {
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var dim : vec2<i32>;
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dim = textureDimensions(t);
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return vec4<f32>(0.0, 0.0, 0.0, 0.0);
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}
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)";
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auto* expect = R"(
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[[group(0), binding(0)]] var t : texture_2d<f32>;
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[[stage(fragment)]]
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fn main([[builtin(position)]] coord : vec4<f32>) -> [[location(0)]] vec4<f32> {
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var dim : vec2<i32>;
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dim = textureDimensions(t);
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return vec4<f32>(0.0, 0.0, 0.0, 0.0);
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}
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)";
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auto got = Run<ExternalTextureTransform>(src);
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EXPECT_EQ(expect, str(got));
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}
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} // namespace
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} // namespace transform
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} // namespace tint
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