[Mesa-dev] [PATCH 1/6] intel/vulkan: Support INTEL_NO_HW environment variable

[Samuel Iglesias Gonsálvez]

Series is,

Reviewed-by: Samuel Iglesias Gonsálvez <siglesias at igalia.com>

Sam

On 10/02/18 09:06, Jordan Justen wrote:
> Signed-off-by: Jordan Justen <jordan.l.justen at intel.com>
> ---
>  src/intel/vulkan/anv_device.c  | 3 +++
>  src/intel/vulkan/anv_private.h | 2 ++
>  src/intel/vulkan/anv_queue.c   | 2 +-
>  3 files changed, 6 insertions(+), 1 deletion(-)
>
> diff --git a/src/intel/vulkan/anv_device.c b/src/intel/vulkan/anv_device.c
> index 86c1bdc1d51..59ea073803d 100644
> --- a/src/intel/vulkan/anv_device.c
> +++ b/src/intel/vulkan/anv_device.c
> @@ -294,6 +294,8 @@ anv_physical_device_init(struct anv_physical_device *device,
>     assert(strlen(path) < ARRAY_SIZE(device->path));
>     strncpy(device->path, path, ARRAY_SIZE(device->path));
>  
> +   device->no_hw = getenv("INTEL_NO_HW") != NULL;
> +
>     device->chipset_id = anv_gem_get_param(fd, I915_PARAM_CHIPSET_ID);
>     if (!device->chipset_id) {
>        result = vk_error(VK_ERROR_INCOMPATIBLE_DRIVER);
> @@ -1371,6 +1373,7 @@ VkResult anv_CreateDevice(
>     device->_loader_data.loaderMagic = ICD_LOADER_MAGIC;
>     device->instance = physical_device->instance;
>     device->chipset_id = physical_device->chipset_id;
> +   device->no_hw = physical_device->no_hw;
>     device->lost = false;
>  
>     if (pAllocator)
> diff --git a/src/intel/vulkan/anv_private.h b/src/intel/vulkan/anv_private.h
> index d38dd9e4220..b2d9bf785e7 100644
> --- a/src/intel/vulkan/anv_private.h
> +++ b/src/intel/vulkan/anv_private.h
> @@ -749,6 +749,7 @@ struct anv_physical_device {
>  
>      struct anv_instance *                       instance;
>      uint32_t                                    chipset_id;
> +    bool                                        no_hw;
>      char                                        path[20];
>      const char *                                name;
>      struct gen_device_info                      info;
> @@ -852,6 +853,7 @@ struct anv_device {
>  
>      struct anv_instance *                       instance;
>      uint32_t                                    chipset_id;
> +    bool                                        no_hw;
>      struct gen_device_info                      info;
>      struct isl_device                           isl_dev;
>      int                                         context_id;
> diff --git a/src/intel/vulkan/anv_queue.c b/src/intel/vulkan/anv_queue.c
> index c6b2e01c628..b0dcc882edc 100644
> --- a/src/intel/vulkan/anv_queue.c
> +++ b/src/intel/vulkan/anv_queue.c
> @@ -39,7 +39,7 @@ anv_device_execbuf(struct anv_device *device,
>                     struct drm_i915_gem_execbuffer2 *execbuf,
>                     struct anv_bo **execbuf_bos)
>  {
> -   int ret = anv_gem_execbuffer(device, execbuf);
> +   int ret = device->no_hw ? 0 : anv_gem_execbuffer(device, execbuf);
>     if (ret != 0) {
>        /* We don't know the real error. */
>        device->lost = true;

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