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wlroots/render/gles2/shaders/meson.build

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render/gles2: move shaders to individual files Instead of having a C file with strings for each shader, move each shader into its own file. Use a small POSIX shell script to convert the files into C strings (can't wait for C23 #embed...). The benefits from this are: - Improved readability and syntax highlighting. - Line numbers in shader compiler errors are easier to make sense of. - Consistency with the Vulkan renderer. - Shaders will become more complicated as we add color management features.
2022-10-26 12:03:50 +02:00
embed = find_program('./embed.sh', native: true)
shaders = [
render/gles2: de-duplicate vertex shaders The vertex shaders for quads and textures are identical.
2022-10-27 16:05:50 +02:00
'common.vert',
render/gles2: move shaders to individual files Instead of having a C file with strings for each shader, move each shader into its own file. Use a small POSIX shell script to convert the files into C strings (can't wait for C23 #embed...). The benefits from this are: - Improved readability and syntax highlighting. - Line numbers in shader compiler errors are easier to make sense of. - Consistency with the Vulkan renderer. - Shaders will become more complicated as we add color management features.
2022-10-26 12:03:50 +02:00
'quad.frag',
'tex_rgba.frag',
'tex_rgbx.frag',
'tex_external.frag',
]
foreach name : shaders
render/gles2: validate shaders at build time Use glslang to validate GLSL shaders at build time. This is optional: if glslang is not found, shader validation is skipped.
2024-12-15 13:56:09 +01:00
custom_target(
'gles2-' + name,
input: name,
output: name + '_check',
command: [glslang, '@INPUT@'],
build_by_default: true,
)
render/gles2: move shaders to individual files Instead of having a C file with strings for each shader, move each shader into its own file. Use a small POSIX shell script to convert the files into C strings (can't wait for C23 #embed...). The benefits from this are: - Improved readability and syntax highlighting. - Line numbers in shader compiler errors are easier to make sense of. - Consistency with the Vulkan renderer. - Shaders will become more complicated as we add color management features.
2022-10-26 12:03:50 +02:00
output = name.underscorify() + '_src.h'
var = name.underscorify() + '_src'
wlr_files += custom_target(
output,
command: [embed, var],
input: name,
output: output,
feed: true,
capture: true,
)
endforeach
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