meson: Make with_gfx_compute depend on video encode support

Update the with_gfx_compute flag so decode-only builds do not
unnecessarily compile gfx/compute code.

Signed-off-by: Thong Thai <thong.thai@amd.com>
Acked-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Reviewed-by: Marek Olšák <maraeo@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/41493>

meson.build

@@ -832,14 +832,6 @@ if with_gallium_rusticl
   endif
 endif
 
-# Do built drivers need to include gfx/compute queues support?
-# TODO: add a separate option to allow to build a VA-API driver without the features
-# that depend on these queues. When added a lightweight decode-only VA-API driver could be built
-with_gfx_compute = with_any_opengl or get_option('vulkan-drivers').length() > 0 or with_gallium_rusticl or with_gallium_va
-if with_gfx_compute
-  pre_args += '-DHAVE_GFX_COMPUTE'
-endif
-
 with_virtgpu_kumquat = get_option('virtgpu_kumquat') and with_gfxstream_vk
 if with_gallium_rusticl or with_nouveau_vk or with_tools.contains('etnaviv') or with_virtgpu_kumquat
   # rust.bindgen() does not pass `--rust-target` to bindgen until 1.7.0.
@@ -955,6 +947,16 @@ if with_clc
   dep_clc = dependency('libclc')
 endif
 
+with_gfx_compute = [
+  with_any_opengl,
+  with_any_vk,
+  with_clc,
+  with_gallium_va and with_video_encode,
+].contains(true)
+if with_gfx_compute
+  pre_args += '-DHAVE_GFX_COMPUTE'
+endif
+
 gl_pkgconfig_c_flags = []
 with_glx_indirect_rendering = false
 if with_platform_x11
@@ -2600,6 +2602,7 @@ if with_gallium
   endif
   gallium_summary += {'Frontends': gallium_frontends}
   gallium_summary += {'HUD lm-sensors': dep_lmsensors.found()}
+  gallium_summary += {'GFX/Compute': with_gfx_compute}
 endif
 summary(gallium_summary, section: 'Gallium', bool_yn: true, list_sep: ' ')