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infra: add Meson GL backend option for examples #17

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infra: add Meson GL backend option for examples #17

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5 changes: 5 additions & 0 deletions meson_options.txt
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Original file line number Diff line number Diff line change
@@ -0,0 +1,5 @@
option('gl_backend',
type: 'combo',
choices: ['gl', 'gles'],
value: 'gl',
description: 'Select GL backend for examples (gl, gles)')
23 changes: 16 additions & 7 deletions src/meson.build
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Original file line number Diff line number Diff line change
Expand Up @@ -4,16 +4,25 @@ examples_dep = [thorvg_dep, dependency('sdl2', required: true)]
compiler_flags = ['-DSDL_MAIN_HANDLED']

# GL or GLES
gl_backend = get_option('gl_backend')
gl_dep = dependency('gl', required: false)
gles_dep = dependency('glesv2', required: false)
egl_dep = dependency('egl', required: false)

if gl_dep.found()
examples_dep += gl_dep
elif gles_dep.found()
examples_dep += gles_dep
compiler_flags += ['-DTVGEXAMPLE_GLES_SUPPORTED']
else
message('Neither OpenGL nor OpenGL ES was found. Skipping GL examples.')
if gl_backend == 'gl'
if gl_dep.found()
examples_dep += gl_dep
compiler_flags += ['-DTVGEXAMPLE_GL_SUPPORTED']
else
message('Requested OpenGL but it was not found. Skipping GL examples.')
endif
elif gl_backend == 'gles'
if gles_dep.found() and egl_dep.found()
examples_dep += [gles_dep, egl_dep]
compiler_flags += ['-DTVGEXAMPLE_GLES_SUPPORTED']
else
message('Requested OpenGL ES but it was not found. Skipping GL examples.')
endif
endif

# WebGPU
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