d22362ab22
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
63 lines
1.7 KiB
C++
63 lines
1.7 KiB
C++
#pragma once
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#include <mbgl/shaders/shader_source.hpp>
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#include <mbgl/shaders/background_layer_ubo.hpp>
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#include <mbgl/shaders/mtl/common.hpp>
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#include <mbgl/shaders/mtl/shader_program.hpp>
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namespace mbgl {
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namespace shaders {
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template <>
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struct ShaderSource<BuiltIn::BackgroundShader, gfx::Backend::Type::Metal> {
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static constexpr auto name = "BackgroundShader";
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static constexpr auto vertexMainFunction = "vertexMain";
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static constexpr auto fragmentMainFunction = "fragmentMain";
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static const std::array<UniformBlockInfo, 2> uniforms;
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static const std::array<AttributeInfo, 1> attributes;
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static constexpr std::array<AttributeInfo, 0> instanceAttributes{};
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static const std::array<TextureInfo, 0> textures;
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static constexpr auto source = R"(
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#include <metal_stdlib>
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using namespace metal;
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struct VertexStage {
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short2 position [[attribute(3)]];
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};
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struct FragmentStage {
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float4 position [[position, invariant]];
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};
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struct alignas(16) BackgroundDrawableUBO {
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float4x4 matrix;
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};
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struct alignas(16) BackgroundLayerUBO {
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float4 color;
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float opacity;
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float pad1, pad2, pad3;
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};
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FragmentStage vertex vertexMain(VertexStage in [[stage_in]],
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device const BackgroundDrawableUBO& drawableUBO [[buffer(1)]]) {
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return {
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.position = drawableUBO.matrix * float4(float2(in.position.xy), 0, 1)
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};
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}
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half4 fragment fragmentMain(FragmentStage in [[stage_in]],
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device const BackgroundLayerUBO& layerUBO [[buffer(2)]]) {
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#if defined(OVERDRAW_INSPECTOR)
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return half4(1.0);
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#endif
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return half4(layerUBO.color * layerUBO.opacity);
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}
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)";
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};
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} // namespace shaders
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} // namespace mbgl
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