[Mesa-dev] [PATCH 4/4] radv: add support for VK_EXT_conditional_rendering

[Bas Nieuwenhuizen]

Where is the code to disable predication for copy/blit commands and
then enable it again afterwards?

On Mon, Jul 9, 2018 at 11:42 AM, Samuel Pitoiset
<samuel.pitoiset at gmail.com> wrote:
> Inherited commands buffers are not supported.
>
> Signed-off-by: Samuel Pitoiset <samuel.pitoiset at gmail.com>
> ---
>  src/amd/vulkan/radv_cmd_buffer.c  | 29 +++++++++++++++++++++++++++++
>  src/amd/vulkan/radv_device.c      |  7 +++++++
>  src/amd/vulkan/radv_extensions.py |  1 +
>  3 files changed, 37 insertions(+)
>
> diff --git a/src/amd/vulkan/radv_cmd_buffer.c b/src/amd/vulkan/radv_cmd_buffer.c
> index 57cca3ba63..ff0800e9c8 100644
> --- a/src/amd/vulkan/radv_cmd_buffer.c
> +++ b/src/amd/vulkan/radv_cmd_buffer.c
> @@ -4380,3 +4380,32 @@ void radv_CmdSetDeviceMask(VkCommandBuffer commandBuffer,
>  {
>     /* No-op */
>  }
> +
> +/* VK_EXT_conditional_rendering */
> +void vkCmdBeginConditionalRenderingEXT(
> +       VkCommandBuffer                             commandBuffer,
> +       const VkConditionalRenderingBeginInfoEXT*   pConditionalRenderingBegin)
> +{
> +       RADV_FROM_HANDLE(radv_cmd_buffer, cmd_buffer, commandBuffer);
> +       RADV_FROM_HANDLE(radv_buffer, buffer, pConditionalRenderingBegin->buffer);
> +       bool inverted;
> +       uint64_t va;
> +
> +       va = radv_buffer_get_va(buffer->bo) + pConditionalRenderingBegin->offset;
> +
> +       inverted = pConditionalRenderingBegin->flags & VK_CONDITIONAL_RENDERING_INVERTED_BIT_EXT;
> +
> +       /* Enable predication for this command buffer. */
> +       si_emit_set_predication_state(cmd_buffer, inverted, va);
> +       cmd_buffer->state.predicating = true;
> +}
> +
> +void vkCmdEndConditionalRenderingEXT(
> +       VkCommandBuffer                             commandBuffer)
> +{
> +       RADV_FROM_HANDLE(radv_cmd_buffer, cmd_buffer, commandBuffer);
> +
> +       /* Disable predication for this command buffer. */
> +       si_emit_set_predication_state(cmd_buffer, false, 0);
> +       cmd_buffer->state.predicating = false;
> +}
> diff --git a/src/amd/vulkan/radv_device.c b/src/amd/vulkan/radv_device.c
> index ad3465f594..06d70d305a 100644
> --- a/src/amd/vulkan/radv_device.c
> +++ b/src/amd/vulkan/radv_device.c
> @@ -806,6 +806,13 @@ void radv_GetPhysicalDeviceFeatures2(
>                         features->runtimeDescriptorArray = true;
>                         break;
>                 }
> +               case VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_CONDITIONAL_RENDERING_FEATURES_EXT: {
> +                       VkPhysicalDeviceConditionalRenderingFeaturesEXT *features =
> +                               (VkPhysicalDeviceConditionalRenderingFeaturesEXT*)ext;
> +                       features->conditionalRendering = true;
> +                       features->inheritedConditionalRendering = false;
> +                       break;
> +               }
>                 default:
>                         break;
>                 }
> diff --git a/src/amd/vulkan/radv_extensions.py b/src/amd/vulkan/radv_extensions.py
> index a0f1038110..6ddbabf26e 100644
> --- a/src/amd/vulkan/radv_extensions.py
> +++ b/src/amd/vulkan/radv_extensions.py
> @@ -89,6 +89,7 @@ EXTENSIONS = [
>      Extension('VK_KHR_display',                          23, 'VK_USE_PLATFORM_DISPLAY_KHR'),
>      Extension('VK_EXT_direct_mode_display',               1, 'VK_USE_PLATFORM_DISPLAY_KHR'),
>      Extension('VK_EXT_acquire_xlib_display',              1, 'VK_USE_PLATFORM_XLIB_XRANDR_EXT'),
> +    Extension('VK_EXT_conditional_rendering',             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_EXT_debug_report',                      9, True),
> --
> 2.18.0
>
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