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// SPDX-FileCopyrightText: Copyright 2019 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#version 460 core
layout (location = 0) out vec2 frag_tex_coord;
struct ScreenRectVertex {
vec2 position;
vec2 tex_coord;
};
layout (push_constant) uniform PushConstants {
mat4 modelview_matrix;
ScreenRectVertex vertices[4];
};
// Vulkan spec 15.8.1:
// Any member of a push constant block that is declared as an
// array must only be accessed with dynamically uniform indices.
ScreenRectVertex GetVertex(int index) {
switch (index) {
case 0:
default:
return vertices[0];
case 1:
return vertices[1];
case 2:
return vertices[2];
case 3:
return vertices[3];
}
}
void main() {
ScreenRectVertex vertex = GetVertex(gl_VertexIndex);
gl_Position = modelview_matrix * vec4(vertex.position, 0.0, 1.0);
frag_tex_coord = vertex.tex_coord;
}
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