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Diffstat (limited to 'src/extras/shaders/rhi/default.vert')
-rw-r--r-- | src/extras/shaders/rhi/default.vert | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/src/extras/shaders/rhi/default.vert b/src/extras/shaders/rhi/default.vert new file mode 100644 index 000000000..5679d8681 --- /dev/null +++ b/src/extras/shaders/rhi/default.vert @@ -0,0 +1,107 @@ +/**************************************************************************** +** +** Copyright (C) 2017 Klaralvdalens Datakonsult AB (KDAB). +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the Qt3D module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. +** +** BSD License Usage +** Alternatively, you may use this file under the terms of the BSD license +** as follows: +** +** "Redistribution and use in source and binary forms, with or without +** modification, are permitted provided that the following conditions are +** met: +** * Redistributions of source code must retain the above copyright +** notice, this list of conditions and the following disclaimer. +** * Redistributions in binary form must reproduce the above copyright +** notice, this list of conditions and the following disclaimer in +** the documentation and/or other materials provided with the +** distribution. +** * Neither the name of The Qt Company Ltd nor the names of its +** contributors may be used to endorse or promote products derived +** from this software without specific prior written permission. +** +** +** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#version 450 + +layout(location = 0) in vec3 vertexPosition; +layout(location = 1) in vec3 vertexNormal; +layout(location = 2) in vec4 vertexTangent; +layout(location = 3) in vec2 vertexTexCoord; + +layout(location = 0) out vec3 worldPosition; +layout(location = 1) out vec3 worldNormal; +layout(location = 2) out vec4 worldTangent; +layout(location = 3) out vec2 texCoord; + +layout(std140, binding = 0) uniform qt3d_render_view_uniforms { + mat4 viewMatrix; + mat4 projectionMatrix; + mat4 viewProjectionMatrix; + mat4 inverseViewMatrix; + mat4 inverseProjectionMatrix; + mat4 inverseViewProjectionMatrix; + mat4 viewportMatrix; + mat4 inverseViewportMatrix; + vec4 textureTransformMatrix; + vec3 eyePosition; + float aspectRatio; + float gamma; + float exposure; + float time; +}; + +layout(std140, binding = 1) uniform qt3d_command_uniforms { + mat4 modelMatrix; + mat4 inverseModelMatrix; + mat4 modelViewMatrix; + mat3 modelNormalMatrix; + mat4 inverseModelViewMatrix; + mat4 modelViewProjection; + mat4 inverseModelViewProjectionMatrix; +}; + +layout(std140, binding = 2) uniform qt3d_extras_uniforms { + float texCoordScale; +}; + +void main() +{ + // Pass through scaled texture coordinates + texCoord = vertexTexCoord * texCoordScale; + + // Transform position, normal, and tangent to world space + worldPosition = vec3(modelMatrix * vec4(vertexPosition, 1.0)); + worldNormal = normalize(modelNormalMatrix * vertexNormal); + vec3 wt = normalize(vec3(modelMatrix * vec4(vertexTangent.xyz, 0.0))); + worldTangent = vec4(wt, vertexTangent.w); + + // Calculate vertex position in clip coordinates + gl_Position = modelViewProjection * vec4(vertexPosition, 1.0); +} |