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Diffstat (limited to 'src/video_core/host_shaders/fxaa.vert')
-rw-r--r-- | src/video_core/host_shaders/fxaa.vert | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/src/video_core/host_shaders/fxaa.vert b/src/video_core/host_shaders/fxaa.vert new file mode 100644 index 000000000..ac20c04e9 --- /dev/null +++ b/src/video_core/host_shaders/fxaa.vert @@ -0,0 +1,38 @@ +// Copyright 2021 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 0 +#define VERTEX_ID gl_VertexIndex + +#else // ^^^ Vulkan ^^^ // vvv OpenGL vvv + +#define BINDING_COLOR_TEXTURE 0 +#define VERTEX_ID gl_VertexID + +#endif + +layout (binding = BINDING_COLOR_TEXTURE) uniform sampler2D input_texture; + +const float FXAA_SUBPIX_SHIFT = 0; + +void main() { + vec2 vertex = vertices[VERTEX_ID]; + 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); +} |