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// Copyright 2019 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#version 460
out gl_PerVertex {
vec4 gl_Position;
};
const vec2 vertices[4] =
vec2[4](vec2(-1.0, 1.0), vec2(1.0, 1.0), vec2(-1.0, -1.0), vec2(1.0, -1.0));
layout (location = 0) out vec4 posPos;
#ifdef VULKAN
#define BINDING_COLOR_TEXTURE 1
#else // ^^^ Vulkan ^^^ // vvv OpenGL vvv
#define BINDING_COLOR_TEXTURE 0
#endif
layout (binding = BINDING_COLOR_TEXTURE) uniform sampler2D input_texture;
const float FXAA_SUBPIX_SHIFT = 0;
void main() {
#ifdef VULKAN
vec2 vertex = vertices[gl_VertexIndex];
#else
vec2 vertex = vertices[gl_VertexID];
#endif
gl_Position = vec4(vertex, 0.0, 1.0);
vec2 vert_tex_coord = (vertex + 1.0) / 2.0;
posPos.xy = vert_tex_coord;
posPos.zw = vert_tex_coord - (0.5 + FXAA_SUBPIX_SHIFT) / textureSize(input_texture, 0);
}
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