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- /*
- * Copyright (c) Contributors to the Open 3D Engine Project.
- * For complete copyright and license terms please see the LICENSE at the root of this distribution.
- *
- * SPDX-License-Identifier: Apache-2.0 OR MIT
- *
- */
- #include <Atom/Features/SrgSemantics.azsli>
- ShaderResourceGroup TextureInstanceSrg : SRG_PerObject
- {
- bool m_useStaticSampler;
- column_major float4x4 m_objectMatrix;
- column_major float3x3 m_uvMatrix;
- Texture2D m_albedoMap;
- Sampler m_sampler
- {
- MaxAnisotropy = 16;
- AddressU = Wrap;
- AddressV = Wrap;
- AddressW = Wrap;
- };
- Sampler m_dynamicSampler;
-
- float m_padding; // align on 8 byte, 124 -> 128
- }
- struct VSInput
- {
- float3 m_position : POSITION;
- float2 m_uv : UV0;
- };
- struct VSOutput
- {
- float4 m_position : SV_Position;
- float2 m_uv : UV0;
- };
- VSOutput MainVS(VSInput vsInput)
- {
- VSOutput OUT;
- OUT.m_position = mul(float4(vsInput.m_position, 1.0), TextureInstanceSrg::m_objectMatrix);
- OUT.m_uv = mul(float3(vsInput.m_uv, 1.0), TextureInstanceSrg::m_uvMatrix).xy;
- return OUT;
- }
- struct PSOutput
- {
- float4 m_color : SV_Target0;
- };
- PSOutput MainPS(VSOutput psInput)
- {
- PSOutput OUT;
- float3 albedo;
- if (TextureInstanceSrg::m_useStaticSampler)
- {
- albedo = TextureInstanceSrg::m_albedoMap.Sample(TextureInstanceSrg::m_sampler, psInput.m_uv).rgb;
- }
- else
- {
- albedo = TextureInstanceSrg::m_albedoMap.Sample(TextureInstanceSrg::m_dynamicSampler, psInput.m_uv).rgb;
- }
- OUT.m_color = float4(albedo, 1.0);
- return OUT;
- }
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