Quoting Keith Packard (2018-02-09 20:45:15)
> This extension adds a single function to query the current GPU
> timestamp, just like glGetInteger64v(GL_TIMESTAMP, ×tamp). This
> function is needed to complete the implementation of
> GOOGLE_display_timing, which needs to be able to coorelate GPU and CPU
> timestamps.
>
> Signed-off-by: Keith Packard <keithp@xxxxxxxxxx>
> ---
> include/vulkan/vulkan.h | 6 ++++++
> src/Makefile.am | 1 +
> src/amd/vulkan/Makefile.am | 3 +++
> src/amd/vulkan/meson.build | 8 ++++----
> src/amd/vulkan/radv_device.c | 8 ++++++++
> src/amd/vulkan/radv_extensions.py | 1 +
> src/intel/Makefile.vulkan.am | 7 +++++++
> src/intel/vulkan/anv_extensions.py | 1 +
> src/intel/vulkan/anv_gem.c | 13 +++++++++++++
> src/intel/vulkan/anv_private.h | 1 +
> src/intel/vulkan/genX_query.c | 15 +++++++++++++++
> src/intel/vulkan/meson.build | 12 ++++++------
> src/vulkan/meson.build | 1 +
> src/vulkan/registry/vk_mesa_query_timestamp.xml | 22 ++++++++++++++++++++++
> 14 files changed, 89 insertions(+), 10 deletions(-)
> create mode 100644 src/vulkan/registry/vk_mesa_query_timestamp.xml
>
> diff --git a/include/vulkan/vulkan.h b/include/vulkan/vulkan.h
> index d3e2e246cf3..5523eb7586f 100644
> --- a/include/vulkan/vulkan.h
> +++ b/include/vulkan/vulkan.h
> @@ -7025,6 +7025,12 @@ VKAPI_ATTR VkResult VKAPI_CALL vkGetMemoryHostPointerPropertiesEXT(
> VkMemoryHostPointerPropertiesEXT* pMemoryHostPointerProperties);
> #endif
>
> +typedef VkResult (VKAPI_PTR *PFN_vkQueryCurrentTimestampMESA)(VkDevice device, uint64_t *timestamp);
> +
> +VKAPI_ATTR VkResult VKAPI_CALL vkQueryCurrentTimestampMESA(
> + VkDevice _device,
> + uint64_t *timestamp);
> +
> #ifdef __cplusplus
> }
> #endif
> diff --git a/src/Makefile.am b/src/Makefile.am
> index 014ffaf3e29..74ff305d7c6 100644
> --- a/src/Makefile.am
> +++ b/src/Makefile.am
> @@ -68,6 +68,7 @@ endif
>
> EXTRA_DIST += vulkan/registry/vk.xml
> EXTRA_DIST += vulkan/registry/vk_android_native_buffer.xml
> +EXTRA_DIST += vulkan/registry/vk_mesa_query_timestamp.xml
>
> if HAVE_AMD_DRIVERS
> SUBDIRS += amd
> diff --git a/src/amd/vulkan/Makefile.am b/src/amd/vulkan/Makefile.am
> index 94ece06e99e..0626fa2b3b3 100644
> --- a/src/amd/vulkan/Makefile.am
> +++ b/src/amd/vulkan/Makefile.am
> @@ -129,12 +129,14 @@ libvulkan_radeon_la_SOURCES = $(VULKAN_GEM_FILES)
>
> vulkan_api_xml = $(top_srcdir)/src/vulkan/registry/vk.xml
> vk_android_native_buffer_xml = $(top_srcdir)/src/vulkan/registry/vk_android_native_buffer.xml
> +vk_mesa_query_timestamp_xml = $(top_srcdir)/src/vulkan/registry/vk_mesa_query_timestamps.xml
>
> radv_entrypoints.c: radv_entrypoints_gen.py radv_extensions.py $(vulkan_api_xml)
> $(MKDIR_GEN)
> $(AM_V_GEN)$(PYTHON2) $(srcdir)/radv_entrypoints_gen.py \
> --xml $(vulkan_api_xml) \
> --xml $(vk_android_native_buffer_xml) \
> + --xml $(vk_mesa_query_timestamp_xml) \
> --outdir $(builddir)
> radv_entrypoints.h: radv_entrypoints.c
>
> @@ -144,6 +146,7 @@ radv_extensions.c: radv_extensions.py \
> $(AM_V_GEN)$(PYTHON2) $(srcdir)/radv_extensions.py \
> --xml $(vulkan_api_xml) \
> --xml $(vk_android_native_buffer_xml) \
> + --xml $(vk_mesa_query_timestamp_xml) \
> --out $@
>
> vk_format_table.c: vk_format_table.py \
> diff --git a/src/amd/vulkan/meson.build b/src/amd/vulkan/meson.build
> index 0b92a1763a1..34f578476c0 100644
> --- a/src/amd/vulkan/meson.build
> +++ b/src/amd/vulkan/meson.build
> @@ -20,10 +20,10 @@
>
> radv_entrypoints = custom_target(
> 'radv_entrypoints.[ch]',
> - input : ['radv_entrypoints_gen.py', vk_api_xml],
> + input : ['radv_entrypoints_gen.py', vk_api_xml, vk_android_native_buffer_xml, vk_mesa_query_timestamp_xml],
some of these lines look a little long,
input : [
'radv_entrypoints_gen.py', vk_api_xml, vk_android_native_buffer_xml,
vk_mesa_query_timestamp_xml,
],
> output : ['radv_entrypoints.h', 'radv_entrypoints.c'],
> command : [
> - prog_python2, '@INPUT0@', '--xml', '@INPUT1@', '--outdir',
> + prog_python2, '@INPUT0@', '--xml', '@INPUT1@', '--xml', '@INPUT2@', '--xml', '@INPUT3@', '--outdir',
> meson.current_build_dir()
> ],
> depend_files : files('radv_extensions.py'),
> @@ -31,10 +31,10 @@ radv_entrypoints = custom_target(
>
> radv_extensions_c = custom_target(
> 'radv_extensions.c',
> - input : ['radv_extensions.py', vk_api_xml, vk_android_native_buffer_xml],
> + input : ['radv_extensions.py', vk_api_xml, vk_android_native_buffer_xml, vk_mesa_query_timestamp_xml],
> output : ['radv_extensions.c'],
> command : [
> - prog_python2, '@INPUT0@', '--xml', '@INPUT1@', '--xml', '@INPUT2@', '--out', '@OUTPUT@',
> + prog_python2, '@INPUT0@', '--xml', '@INPUT1@', '--xml', '@INPUT2@', '--xml', '@INPUT3@', '--out', '@OUTPUT@',
> ],
> )
>
> diff --git a/src/amd/vulkan/radv_device.c b/src/amd/vulkan/radv_device.c
> index adf33eb35dc..6c13efba9e0 100644
> --- a/src/amd/vulkan/radv_device.c
> +++ b/src/amd/vulkan/radv_device.c
> @@ -4084,3 +4084,11 @@ radv_DebugReportMessageEXT(VkInstance _instance,
> vk_debug_report(&instance->debug_report_callbacks, flags, objectType,
> object, location, messageCode, pLayerPrefix, pMessage);
> }
> +
> +VkResult radv_QueryCurrentTimestampMESA(VkDevice _device, uint64_t *timestamp)
> +{
> + RADV_FROM_HANDLE(radv_device, device, _device);
> +
> + *timestamp = device->ws->query_value(device->ws, RADEON_TIMESTAMP);
> + return VK_SUCCESS;
> +}
> diff --git a/src/amd/vulkan/radv_extensions.py b/src/amd/vulkan/radv_extensions.py
> index 775d1ed4be6..fed198df412 100644
> --- a/src/amd/vulkan/radv_extensions.py
> +++ b/src/amd/vulkan/radv_extensions.py
> @@ -95,6 +95,7 @@ EXTENSIONS = [
> Extension('VK_AMD_draw_indirect_count', 1, True),
> Extension('VK_AMD_rasterization_order', 1, 'device->rad_info.chip_class >= VI && device->rad_info.max_se >= 2'),
> Extension('VK_AMD_shader_info', 1, True),
> + Extension('VK_MESA_query_timestamp', 1, True),
> ]
>
> class VkVersion:
> diff --git a/src/intel/Makefile.vulkan.am b/src/intel/Makefile.vulkan.am
> index 0f0d3815097..d7890022abe 100644
> --- a/src/intel/Makefile.vulkan.am
> +++ b/src/intel/Makefile.vulkan.am
> @@ -24,36 +24,43 @@
> # out and we'll fail at `make dist'
> vulkan_api_xml = $(top_srcdir)/src/vulkan/registry/vk.xml
> vk_android_native_buffer_xml = $(top_srcdir)/src/vulkan/registry/vk_android_native_buffer.xml
> +vk_mesa_query_timestamp_xml = $(top_srcdir)/src/vulkan/registry/vk_mesa_query_timestamps.xml
>
> vulkan/anv_entrypoints.c: vulkan/anv_entrypoints_gen.py \
> vulkan/anv_extensions.py \
> $(vulkan_api_xml) \
> + $(vk_mesa_query_timestamp_xml) \
> $(vk_android_native_buffer_xml)
> $(MKDIR_GEN)
> $(AM_V_GEN)$(PYTHON2) $(srcdir)/vulkan/anv_entrypoints_gen.py \
> --xml $(vulkan_api_xml) \
> --xml $(vk_android_native_buffer_xml) \
> + --xml $(vk_mesa_query_timestamp_xml) \
> --outdir $(builddir)/vulkan
> vulkan/anv_entrypoints.h: vulkan/anv_entrypoints.c
>
> vulkan/anv_extensions.c: vulkan/anv_extensions_gen.py \
> vulkan/anv_extensions.py \
> $(vulkan_api_xml) \
> + $(vk_mesa_query_timestamp_xml) \
> $(vk_android_native_buffer_xml)
> $(MKDIR_GEN)
> $(AM_V_GEN)$(PYTHON2) $(srcdir)/vulkan/anv_extensions_gen.py \
> --xml $(vulkan_api_xml) \
> --xml $(vk_android_native_buffer_xml) \
> + --xml $(vk_mesa_query_timestamp_xml) \
> --out-c $@
>
> vulkan/anv_extensions.h: vulkan/anv_extensions_gen.py \
> vulkan/anv_extensions.py \
> $(vulkan_api_xml) \
> + $(vk_mesa_query_timestamp_xml) \
> $(vk_android_native_buffer_xml)
> $(MKDIR_GEN)
> $(AM_V_GEN)$(PYTHON2) $(srcdir)/vulkan/anv_extensions_gen.py \
> --xml $(vulkan_api_xml) \
> --xml $(vk_android_native_buffer_xml) \
> + --xml $(vk_mesa_query_timestamp_xml) \
> --out-h $@
>
> BUILT_SOURCES += $(VULKAN_GENERATED_FILES)
> diff --git a/src/intel/vulkan/anv_extensions.py b/src/intel/vulkan/anv_extensions.py
> index f44598b305a..dd4d5a1f970 100644
> --- a/src/intel/vulkan/anv_extensions.py
> +++ b/src/intel/vulkan/anv_extensions.py
> @@ -91,6 +91,7 @@ EXTENSIONS = [
> Extension('VK_EXT_external_memory_dma_buf', 1, True),
> Extension('VK_EXT_display_surface_counter', 1, 'VK_USE_PLATFORM_DISPLAY_KHR'),
> Extension('VK_EXT_display_control', 1, 'VK_USE_PLATFORM_DISPLAY_KHR'),
> + Extension('VK_MESA_query_timestamp', 1, True),
> ]
>
> class VkVersion:
> diff --git a/src/intel/vulkan/anv_gem.c b/src/intel/vulkan/anv_gem.c
> index 34c09891086..588b323d113 100644
> --- a/src/intel/vulkan/anv_gem.c
> +++ b/src/intel/vulkan/anv_gem.c
> @@ -418,6 +418,19 @@ anv_gem_fd_to_handle(struct anv_device *device, int fd)
> return args.handle;
> }
>
> +int
> +anv_gem_reg_read(struct anv_device *device, uint32_t offset, uint64_t *result)
> +{
> + struct drm_i915_reg_read args = {
> + .offset = offset
> + };
> +
> + int ret = anv_ioctl(device->fd, DRM_IOCTL_I915_REG_READ, &args);
> +
> + *result = args.val;
> + return ret;
> +}
> +
> #ifndef SYNC_IOC_MAGIC
> /* duplicated from linux/sync_file.h to avoid build-time dependency
> * on new (v4.7) kernel headers. Once distro's are mostly using
> diff --git a/src/intel/vulkan/anv_private.h b/src/intel/vulkan/anv_private.h
> index 1d3e5fcd921..337d8ca3f15 100644
> --- a/src/intel/vulkan/anv_private.h
> +++ b/src/intel/vulkan/anv_private.h
> @@ -932,6 +932,7 @@ bool anv_gem_supports_48b_addresses(int fd);
> int anv_gem_gpu_get_reset_stats(struct anv_device *device,
> uint32_t *active, uint32_t *pending);
> int anv_gem_handle_to_fd(struct anv_device *device, uint32_t gem_handle);
> +int anv_gem_reg_read(struct anv_device *device, uint32_t offset, uint64_t *result);
> uint32_t anv_gem_fd_to_handle(struct anv_device *device, int fd);
> int anv_gem_set_caching(struct anv_device *device, uint32_t gem_handle, uint32_t caching);
> int anv_gem_set_domain(struct anv_device *device, uint32_t gem_handle,
> diff --git a/src/intel/vulkan/genX_query.c b/src/intel/vulkan/genX_query.c
> index 4efcc57e475..d2de7e5f45e 100644
> --- a/src/intel/vulkan/genX_query.c
> +++ b/src/intel/vulkan/genX_query.c
> @@ -546,6 +546,21 @@ void genX(CmdWriteTimestamp)(
> }
> }
>
> +VkResult genX(QueryCurrentTimestampMESA)(
> + VkDevice _device,
> + uint64_t *timestamp)
> +{
> + ANV_FROM_HANDLE(anv_device, device, _device);
> + int ret;
> +
> + /* XXX older kernels don't support this interface. */
> + ret = anv_gem_reg_read(device, TIMESTAMP | 1, timestamp);
> +
> + if (ret != 0)
> + return VK_ERROR_DEVICE_LOST;
> + return VK_SUCCESS;
> +}
> +
> #if GEN_GEN > 7 || GEN_IS_HASWELL
>
> static uint32_t
> diff --git a/src/intel/vulkan/meson.build b/src/intel/vulkan/meson.build
> index d3ab5ac8a64..d4622ffdfdf 100644
> --- a/src/intel/vulkan/meson.build
> +++ b/src/intel/vulkan/meson.build
> @@ -20,11 +20,11 @@
>
> anv_entrypoints = custom_target(
> 'anv_entrypoints.[ch]',
> - input : ['anv_entrypoints_gen.py', vk_api_xml, vk_android_native_buffer_xml,
> + input : ['anv_entrypoints_gen.py', vk_api_xml, vk_android_native_buffer_xml, vk_mesa_query_timestamp_xml,
> 'anv_extensions.py'],
Same with this, could you also fix my bad indentation here?
> output : ['anv_entrypoints.h', 'anv_entrypoints.c'],
> command : [
> - prog_python2, '@INPUT0@', '--xml', '@INPUT1@', '--xml', '@INPUT2@',
> + prog_python2, '@INPUT0@', '--xml', '@INPUT1@', '--xml', '@INPUT2@', '--xml', '@INPUT3@',
> '--outdir', meson.current_build_dir(),
> ],
> depend_files : files('anv_extensions.py'),
> @@ -32,22 +32,22 @@ anv_entrypoints = custom_target(
>
> anv_extensions_c = custom_target(
> 'anv_extensions.c',
> - input : ['anv_extensions_gen.py', vk_api_xml, vk_android_native_buffer_xml,
> + input : ['anv_extensions_gen.py', vk_api_xml, vk_android_native_buffer_xml, vk_mesa_query_timestamp_xml,
> 'anv_extensions.py'],
> output : 'anv_extensions.c',
> command : [
> - prog_python2, '@INPUT0@', '--xml', '@INPUT1@', '--xml', '@INPUT2@',
> + prog_python2, '@INPUT0@', '--xml', '@INPUT1@', '--xml', '@INPUT2@', '--xml', '@INPUT3@',
> '--out-c', '@OUTPUT@',
> ],
> )
>
> anv_extensions_h = custom_target(
> 'anv_extensions.h',
> - input : ['anv_extensions_gen.py', vk_api_xml, vk_android_native_buffer_xml,
> + input : ['anv_extensions_gen.py', vk_api_xml, vk_android_native_buffer_xml, vk_mesa_query_timestamp_xml,
> 'anv_extensions.py'],
> output : 'anv_extensions.h',
> command : [
> - prog_python2, '@INPUT0@', '--xml', '@INPUT1@', '--xml', '@INPUT2@',
> + prog_python2, '@INPUT0@', '--xml', '@INPUT1@', '--xml', '@INPUT2@', '--xml', '@INPUT3@',
> '--out-h', '@OUTPUT@',
> ],
> )
> diff --git a/src/vulkan/meson.build b/src/vulkan/meson.build
> index 3908005b8a0..6ab0966b7c5 100644
> --- a/src/vulkan/meson.build
> +++ b/src/vulkan/meson.build
> @@ -20,6 +20,7 @@
>
> vk_api_xml = files('registry/vk.xml')
> vk_android_native_buffer_xml = files('registry/vk_android_native_buffer.xml')
> +vk_mesa_query_timestamp_xml = files('registry/vk_mesa_query_timestamp.xml')
>
> inc_vulkan_util = include_directories('util')
> inc_vulkan_wsi = include_directories('wsi')
> diff --git a/src/vulkan/registry/vk_mesa_query_timestamp.xml b/src/vulkan/registry/vk_mesa_query_timestamp.xml
> new file mode 100644
> index 00000000000..7fd4d974872
> --- /dev/null
> +++ b/src/vulkan/registry/vk_mesa_query_timestamp.xml
> @@ -0,0 +1,22 @@
> +<?xml version="1.0" encoding="UTF-8"?>
> +<registry>
> + <commands>
> + <command>
> + <proto><type>VkResult</type> <name>vkQueryCurrentTimestampMESA</name></proto>
> + <param><type>VkDevice</type> <name>device</name></param>
> + <param><type>uint64_t</type>* <name>pTimestamp</name></param>
> + </command>
> + </commands>
> + <extensions>
> + <extension name="VK_MESA_query_timestamp" number="200"
> + type="device" author="MESA"
> + contact="Keith Packard @keithp"
> + supported="vulkan">
> + <require>
> + <enum value="1" name="VK_MESA_QUERY_TIMESTAMP_SPEC_VERSION"/>
> + <enum value=""VK_MESA_query_timestamp"" name="VK_MESA_QUERY_TIMESTAMP_NAME"/>
> + <command name="vkQueryCurrentTimestampMESA"/>
> + </require>
> + </extension>
> + </extensions>
> +</registry>
> --
> 2.15.1
>
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