diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/intel/vulkan/anv_image.c | 67 | ||||
| -rw-r--r-- | src/intel/vulkan/anv_private.h | 16 |
2 files changed, 83 insertions, 0 deletions
diff --git a/src/intel/vulkan/anv_image.c b/src/intel/vulkan/anv_image.c index 0aa8cd94d6b..32ec24701da 100644 --- a/src/intel/vulkan/anv_image.c +++ b/src/intel/vulkan/anv_image.c @@ -861,6 +861,73 @@ anv_layout_to_aux_usage(const struct gen_device_info * const devinfo, unreachable("layout is not a VkImageLayout enumeration member."); } +/** + * This function returns the level of unresolved fast-clear support of the + * given image in the given VkImageLayout. + * + * @param devinfo The device information of the Intel GPU. + * @param image The image that may contain a collection of buffers. + * @param aspect The aspect of the image to be accessed. + * @param layout The current layout of the image aspect(s). + */ +enum anv_fast_clear_type +anv_layout_to_fast_clear_type(const struct gen_device_info * const devinfo, + const struct anv_image * const image, + const VkImageAspectFlagBits aspect, + const VkImageLayout layout) +{ + /* The aspect must be exactly one of the image aspects. */ + assert(_mesa_bitcount(aspect) == 1 && (aspect & image->aspects)); + + uint32_t plane = anv_image_aspect_to_plane(image->aspects, aspect); + + /* If there is no auxiliary surface allocated, there are no fast-clears */ + if (image->planes[plane].aux_surface.isl.size == 0) + return ANV_FAST_CLEAR_NONE; + + /* All images that use an auxiliary surface are required to be tiled. */ + assert(image->tiling == VK_IMAGE_TILING_OPTIMAL); + + /* Stencil has no aux */ + assert(aspect != VK_IMAGE_ASPECT_STENCIL_BIT); + + if (aspect == VK_IMAGE_ASPECT_DEPTH_BIT) { + /* For depth images (with HiZ), the layout supports fast-clears if and + * only if it supports HiZ. However, we only support fast-clears to the + * default depth value. + */ + enum isl_aux_usage aux_usage = + anv_layout_to_aux_usage(devinfo, image, aspect, layout); + return aux_usage == ISL_AUX_USAGE_HIZ ? + ANV_FAST_CLEAR_DEFAULT_VALUE : ANV_FAST_CLEAR_NONE; + } + + assert(image->aspects & VK_IMAGE_ASPECT_ANY_COLOR_BIT_ANV); + + /* Multisample fast-clear is not yet supported. */ + if (image->samples > 1) + return ANV_FAST_CLEAR_NONE; + + switch (layout) { + case VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL: + return ANV_FAST_CLEAR_ANY; + + case VK_IMAGE_LAYOUT_PRESENT_SRC_KHR: + return ANV_FAST_CLEAR_NONE; + + default: + /* If the image has CCS_E enabled all the time then we can use + * fast-clear as long as the clear color is the default value of zero + * since this is the default value we program into every surface state + * used for texturing. + */ + if (image->planes[plane].aux_usage == ISL_AUX_USAGE_CCS_E) + return ANV_FAST_CLEAR_DEFAULT_VALUE; + else + return ANV_FAST_CLEAR_NONE; + } +} + static struct anv_state alloc_surface_state(struct anv_device *device) diff --git a/src/intel/vulkan/anv_private.h b/src/intel/vulkan/anv_private.h index c3ab9ebb09f..17bfa0f90a7 100644 --- a/src/intel/vulkan/anv_private.h +++ b/src/intel/vulkan/anv_private.h @@ -2490,6 +2490,16 @@ struct anv_image { } planes[3]; }; +/* The ordering of this enum is important */ +enum anv_fast_clear_type { + /** Image does not have/support any fast-clear blocks */ + ANV_FAST_CLEAR_NONE = 0, + /** Image has/supports fast-clear but only to the default value */ + ANV_FAST_CLEAR_DEFAULT_VALUE = 1, + /** Image has/supports fast-clear with an arbitrary fast-clear value */ + ANV_FAST_CLEAR_ANY = 2, +}; + /* Returns the number of auxiliary buffer levels attached to an image. */ static inline uint8_t anv_image_aux_levels(const struct anv_image * const image, @@ -2612,6 +2622,12 @@ anv_layout_to_aux_usage(const struct gen_device_info * const devinfo, const VkImageAspectFlagBits aspect, const VkImageLayout layout); +enum anv_fast_clear_type +anv_layout_to_fast_clear_type(const struct gen_device_info * const devinfo, + const struct anv_image * const image, + const VkImageAspectFlagBits aspect, + const VkImageLayout layout); + /* This is defined as a macro so that it works for both * VkImageSubresourceRange and VkImageSubresourceLayers */ |