diff options
Diffstat (limited to 'src/video_core/host_shaders/vulkan_present_bicubic.frag')
-rw-r--r-- | src/video_core/host_shaders/vulkan_present_bicubic.frag | 56 |
1 files changed, 0 insertions, 56 deletions
diff --git a/src/video_core/host_shaders/vulkan_present_bicubic.frag b/src/video_core/host_shaders/vulkan_present_bicubic.frag deleted file mode 100644 index 17772095a..000000000 --- a/src/video_core/host_shaders/vulkan_present_bicubic.frag +++ /dev/null @@ -1,56 +0,0 @@ -// Copyright 2019 yuzu Emulator Project -// Licensed under GPLv2 or any later version -// Refer to the license.txt file included. - -#version 460 core - -layout (location = 0) in vec2 frag_tex_coord; - -layout (location = 0) out vec4 color; - -layout (binding = 1) uniform sampler2D color_texture; - -vec4 cubic(float v) { - vec4 n = vec4(1.0, 2.0, 3.0, 4.0) - v; - vec4 s = n * n * n; - float x = s.x; - float y = s.y - 4.0 * s.x; - float z = s.z - 4.0 * s.y + 6.0 * s.x; - float w = 6.0 - x - y - z; - return vec4(x, y, z, w) * (1.0 / 6.0); -} - -vec4 textureBicubic( sampler2D textureSampler, vec2 texCoords ) { - - vec2 texSize = textureSize(textureSampler, 0); - vec2 invTexSize = 1.0 / texSize; - - texCoords = texCoords * texSize - 0.5; - - vec2 fxy = fract(texCoords); - texCoords -= fxy; - - vec4 xcubic = cubic(fxy.x); - vec4 ycubic = cubic(fxy.y); - - vec4 c = texCoords.xxyy + vec2(-0.5, +1.5).xyxy; - - vec4 s = vec4(xcubic.xz + xcubic.yw, ycubic.xz + ycubic.yw); - vec4 offset = c + vec4(xcubic.yw, ycubic.yw) / s; - - offset *= invTexSize.xxyy; - - vec4 sample0 = texture(textureSampler, offset.xz); - vec4 sample1 = texture(textureSampler, offset.yz); - vec4 sample2 = texture(textureSampler, offset.xw); - vec4 sample3 = texture(textureSampler, offset.yw); - - float sx = s.x / (s.x + s.y); - float sy = s.z / (s.z + s.w); - - return mix(mix(sample3, sample2, sx), mix(sample1, sample0, sx), sy); -} - -void main() { - color = vec4(textureBicubic(color_texture, frag_tex_coord).rgb, 1.0f); -} |