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a7c9391dc6
This CL updates the SPIRV-Writer to inject an OpReturn as the trailing statement in a function if the function does not end with a `discard` or a `return` statement. R=bclayton@google.com, dneto@google.com Fixes: tint:302 Change-Id: I2e7c7beff15ad30c779c591bb75cf97fc0960bf7 Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/33160 Reviewed-by: David Neto <dneto@google.com> Commit-Queue: dan sinclair <dsinclair@chromium.org> Auto-Submit: dan sinclair <dsinclair@chromium.org>
36 lines
1.1 KiB
WebGPU Shading Language
36 lines
1.1 KiB
WebGPU Shading Language
# Copyright 2020 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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# Vertex shader
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const pos : array<vec2<f32>, 3> = array<vec2<f32>, 3>(
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vec2<f32>(0.0, 0.5),
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vec2<f32>(-0.5, -0.5),
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vec2<f32>(0.5, -0.5));
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[[builtin(position)]] var<out> Position : vec4<f32>;
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[[builtin(vertex_idx)]] var<in> VertexIndex : i32;
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[[stage(vertex)]]
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fn vtx_main() -> void {
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Position = vec4<f32>(pos[VertexIndex], 0.0, 1.0);
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}
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# Fragment shader
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[[location(0)]] var<out> outColor : vec4<f32>;
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[[stage(fragment)]]
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fn frag_main() -> void {
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outColor = vec4<f32>(1.0, 0.0, 0.0, 1.0);
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}
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