gallium/headers: add more docs for pipe_context::multi_draw

this adds a helpful example for people interested in implementing the
multi_draw hook which should give immediate insight as to how it functions
84 jobs for !7481 with gallium-doc in 26 seconds (queued for 8 seconds)
detached
Status Job ID Name Coverage
  Container
manual #5479258
aarch64 manual
arm_build
manual #5479260
manual
arm_test-base
passed #5479261
git_archive

00:00:17

manual #5479253
manual
x86_build-base
manual #5479256
manual
x86_build_old
manual #5479254
manual
x86_test-base
 
  Container 2
created #5479276
android_build
created #5479281
arm64_test
created #5479271
i386_build
created #5479263
kernel+rootfs_amd64
created #5479265
aarch64
kernel+rootfs_arm64
created #5479267
aarch64
kernel+rootfs_armhf
created #5479272
ppc64el_build
created #5479274
s390x_build
created #5479269
x86_build
created #5479277
x86_test-gl
created #5479279
x86_test-vk
 
  Sanity
passed #5479283
check mr

00:00:09

 
  Meson X86 64
created #5479293
meson-clang
created #5479292
meson-classic
created #5479295
meson-clover
created #5479287
meson-clover-testing
created #5479288
meson-gallium
created #5479290
meson-release
created #5479285
meson-testing
created #5479297
meson-vulkan
 
  Scons
created #5479299
allowed to fail
scons-win64
 
  Meson Misc
created #5479301
meson-android
created #5479304
aarch64
meson-arm64
created #5479306
aarch64
meson-arm64-build-test
created #5479302
aarch64
meson-armhf
created #5479308
meson-i386
created #5479314
meson-mingw32-x86_64
created #5479312
kvm
meson-ppc64el
created #5479310
kvm
meson-s390x
 
  Llvmpipe
created #5479323
llvmpipe-gles2
created #5479326
llvmpipe-traces
created #5479316
piglit-cl
created #5479319
piglit-glslparser
created #5479317
piglit-quick_gl
created #5479321
piglit-quick_shader
 
  Softpipe
created #5479336
softpipe-gl
created #5479328
softpipe-gles2
created #5479330
softpipe-gles3
created #5479332
softpipe-gles31 1/2
created #5479334
softpipe-gles31 2/2
 
  Freedreno
created #5479355
google-freedreno-db410c
arm64_a306_gles2
created #5479356
google-freedreno-db410c
arm64_a306_gles3
created #5479357
google-freedreno-db410c
arm64_a306_gles3_options
created #5479358
google-freedreno-db820c
arm64_a530_gles2 1/2
created #5479359
google-freedreno-db820c
arm64_a530_gles2 2/2
created #5479360
google-freedreno-db820c
arm64_a530_gles3
created #5479361
google-freedreno-db820c
arm64_a530_gles31
created #5479347
google-freedreno-cheza
arm64_a630_bypass
created #5479350
google-freedreno-cheza
arm64_a630_gl
created #5479338
google-freedreno-cheza
arm64_a630_gles2
created #5479342
google-freedreno-cheza
arm64_a630_gles3
created #5479340
google-freedreno-cheza
arm64_a630_gles31
created #5479352
google-freedreno-cheza
arm64_a630_gles31_565nozs
created #5479351
google-freedreno-cheza
arm64_a630_gles3_565nozs
created #5479349
google-freedreno-cheza
arm64_a630_gmem
created #5479344
google-freedreno-cheza
arm64_a630_noubo
created #5479348
google-freedreno-cheza
arm64_a630_traces
created #5479353
google-freedreno-cheza
arm64_a630_vk
created #5479354
google-freedreno-cheza
arm64_a630_vk_sysmem
 
  Panfrost
created #5479368
mesa-ci-aarch64-lava-collabora
panfrost-g52-gles2:arm64
created #5479362
mesa-ci-aarch64-lava-collabora
panfrost-t720-gles2:arm64
created #5479363
mesa-ci-aarch64-lava-collabora
panfrost-t760-gles2:armhf
created #5479364
mesa-ci-aarch64-lava-collabora
panfrost-t860-gles2:arm64
created #5479365
mesa-ci-aarch64-lava-collabora
panfrost-t860-gles3:arm64 1/2
created #5479366
mesa-ci-aarch64-lava-collabora
panfrost-t860-gles3:arm64 2/2
created #5479367
mesa-ci-aarch64-lava-collabora
panfrost-t860-traces:arm64
 
  Virgl
created #5479373
virgl-gl30-on-gl
created #5479374
virgl-gl31-on-gl
created #5479375
virgl-gl32-on-gl
created #5479369
virgl-gles2-on-gl
created #5479371
virgl-gles31-on-gl 1/2
created #5479372
virgl-gles31-on-gl 2/2
created #5479370
virgl-gles3-on-gl
created #5479376
virgl-traces
 
  Radeonsi
created #5479377
mesa-ci-aarch64-lava-collabora
radeonsi-stoney-gles2:amd64
created #5479379
mesa-ci-aarch64-lava-collabora
radeonsi-stoney-gles31:amd64
created #5479378
mesa-ci-aarch64-lava-collabora
radeonsi-stoney-gles3:amd64
created #5479380
mesa-ci-aarch64-lava-collabora
radeonsi-stoney-traces:amd64