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Diffstat (limited to '')
-rw-r--r-- | src/video_core/host_shaders/convert_abgr8_to_d32f.frag | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/video_core/host_shaders/convert_abgr8_to_d32f.frag b/src/video_core/host_shaders/convert_abgr8_to_d32f.frag new file mode 100644 index 000000000..a1880b916 --- /dev/null +++ b/src/video_core/host_shaders/convert_abgr8_to_d32f.frag @@ -0,0 +1,18 @@ +// SPDX-FileCopyrightText: Copyright 2023 Your Project +// SPDX-License-Identifier: GPL-2.0-or-later + +#version 450 + +layout(binding = 0) uniform sampler2D color_texture; + +void main() { + ivec2 coord = ivec2(gl_FragCoord.xy); + vec4 color = texelFetch(color_texture, coord, 0).abgr; + + uvec4 bytes = uvec4(color * (exp2(8) - 1.0f)) << uvec4(24, 16, 8, 0); + uint depth_unorm = bytes.x | bytes.y | bytes.z | bytes.w; + + float depth_float = uintBitsToFloat(depth_unorm); + + gl_FragDepth = depth_float; +} |