#include <hardware/gralloc.h>
#include <hardware/hardware.h>
#include <hardware/hwvulkan.h>
+#include <vndk/hardware_buffer.h>
#include <vulkan/vk_android_native_buffer.h>
#include <vulkan/vk_icd.h>
#include <libsync.h>
#include "radv_private.h"
+#include "vk_util.h"
static int radv_hal_open(const struct hw_module_t* mod, const char* id, struct hw_device_t** dev);
static int radv_hal_close(struct hw_device_t *dev);
}
return VK_SUCCESS;
}
+
+#if RADV_SUPPORT_ANDROID_HARDWARE_BUFFER
+
+enum {
+ /* Usage bit equal to GRALLOC_USAGE_HW_CAMERA_MASK */
+ AHARDWAREBUFFER_USAGE_CAMERA_MASK = 0x00060000U,
+};
+
+static inline VkFormat
+vk_format_from_android(unsigned android_format, unsigned android_usage)
+{
+ switch (android_format) {
+ case AHARDWAREBUFFER_FORMAT_R8G8B8A8_UNORM:
+ return VK_FORMAT_R8G8B8A8_UNORM;
+ case AHARDWAREBUFFER_FORMAT_R8G8B8X8_UNORM:
+ case AHARDWAREBUFFER_FORMAT_R8G8B8_UNORM:
+ return VK_FORMAT_R8G8B8_UNORM;
+ case AHARDWAREBUFFER_FORMAT_R5G6B5_UNORM:
+ return VK_FORMAT_R5G6B5_UNORM_PACK16;
+ case AHARDWAREBUFFER_FORMAT_R16G16B16A16_FLOAT:
+ return VK_FORMAT_R16G16B16A16_SFLOAT;
+ case AHARDWAREBUFFER_FORMAT_R10G10B10A2_UNORM:
+ return VK_FORMAT_A2B10G10R10_UNORM_PACK32;
+ case AHARDWAREBUFFER_FORMAT_Y8Cb8Cr8_420:
+ return VK_FORMAT_G8_B8R8_2PLANE_420_UNORM;
+ case AHARDWAREBUFFER_FORMAT_IMPLEMENTATION_DEFINED:
+ if (android_usage & AHARDWAREBUFFER_USAGE_CAMERA_MASK)
+ return VK_FORMAT_G8_B8R8_2PLANE_420_UNORM;
+ else
+ return VK_FORMAT_R8G8B8_UNORM;
+ case AHARDWAREBUFFER_FORMAT_BLOB:
+ default:
+ return VK_FORMAT_UNDEFINED;
+ }
+}
+
+static VkResult
+get_ahb_buffer_format_properties(
+ VkDevice device_h,
+ const struct AHardwareBuffer *buffer,
+ VkAndroidHardwareBufferFormatPropertiesANDROID *pProperties)
+{
+ RADV_FROM_HANDLE(radv_device, device, device_h);
+
+ /* Get a description of buffer contents . */
+ AHardwareBuffer_Desc desc;
+ AHardwareBuffer_describe(buffer, &desc);
+
+ /* Verify description. */
+ const uint64_t gpu_usage =
+ AHARDWAREBUFFER_USAGE_GPU_SAMPLED_IMAGE |
+ AHARDWAREBUFFER_USAGE_GPU_COLOR_OUTPUT |
+ AHARDWAREBUFFER_USAGE_GPU_DATA_BUFFER;
+
+ /* "Buffer must be a valid Android hardware buffer object with at least
+ * one of the AHARDWAREBUFFER_USAGE_GPU_* usage flags."
+ */
+ if (!(desc.usage & (gpu_usage)))
+ return VK_ERROR_INVALID_EXTERNAL_HANDLE;
+
+ /* Fill properties fields based on description. */
+ VkAndroidHardwareBufferFormatPropertiesANDROID *p = pProperties;
+
+ p->format = vk_format_from_android(desc.format, desc.usage);
+ p->externalFormat = (uint64_t) (uintptr_t) p->format;
+
+ VkFormatProperties format_properties;
+ radv_GetPhysicalDeviceFormatProperties(
+ radv_physical_device_to_handle(device->physical_device),
+ p->format, &format_properties);
+
+ if (desc.usage & AHARDWAREBUFFER_USAGE_GPU_DATA_BUFFER)
+ p->formatFeatures = format_properties.linearTilingFeatures;
+ else
+ p->formatFeatures = format_properties.optimalTilingFeatures;
+
+ /* "Images can be created with an external format even if the Android hardware
+ * buffer has a format which has an equivalent Vulkan format to enable
+ * consistent handling of images from sources that might use either category
+ * of format. However, all images created with an external format are subject
+ * to the valid usage requirements associated with external formats, even if
+ * the Android hardware buffer’s format has a Vulkan equivalent."
+ *
+ * "The formatFeatures member *must* include
+ * VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT and at least one of
+ * VK_FORMAT_FEATURE_MIDPOINT_CHROMA_SAMPLES_BIT or
+ * VK_FORMAT_FEATURE_COSITED_CHROMA_SAMPLES_BIT"
+ */
+ assert(p->formatFeatures & VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT);
+
+ p->formatFeatures |= VK_FORMAT_FEATURE_MIDPOINT_CHROMA_SAMPLES_BIT;
+
+ /* "Implementations may not always be able to determine the color model,
+ * numerical range, or chroma offsets of the image contents, so the values
+ * in VkAndroidHardwareBufferFormatPropertiesANDROID are only suggestions.
+ * Applications should treat these values as sensible defaults to use in
+ * the absence of more reliable information obtained through some other
+ * means."
+ */
+ p->samplerYcbcrConversionComponents.r = VK_COMPONENT_SWIZZLE_IDENTITY;
+ p->samplerYcbcrConversionComponents.g = VK_COMPONENT_SWIZZLE_IDENTITY;
+ p->samplerYcbcrConversionComponents.b = VK_COMPONENT_SWIZZLE_IDENTITY;
+ p->samplerYcbcrConversionComponents.a = VK_COMPONENT_SWIZZLE_IDENTITY;
+
+ p->suggestedYcbcrModel = VK_SAMPLER_YCBCR_MODEL_CONVERSION_YCBCR_601;
+ p->suggestedYcbcrRange = VK_SAMPLER_YCBCR_RANGE_ITU_FULL;
+
+ p->suggestedXChromaOffset = VK_CHROMA_LOCATION_MIDPOINT;
+ p->suggestedYChromaOffset = VK_CHROMA_LOCATION_MIDPOINT;
+
+ return VK_SUCCESS;
+}
+
+VkResult
+radv_GetAndroidHardwareBufferPropertiesANDROID(
+ VkDevice device_h,
+ const struct AHardwareBuffer *buffer,
+ VkAndroidHardwareBufferPropertiesANDROID *pProperties)
+{
+ RADV_FROM_HANDLE(radv_device, dev, device_h);
+ struct radv_physical_device *pdevice = dev->physical_device;
+
+ VkAndroidHardwareBufferFormatPropertiesANDROID *format_prop =
+ vk_find_struct(pProperties->pNext,
+ ANDROID_HARDWARE_BUFFER_FORMAT_PROPERTIES_ANDROID);
+
+ /* Fill format properties of an Android hardware buffer. */
+ if (format_prop)
+ get_ahb_buffer_format_properties(device_h, buffer, format_prop);
+
+ /* NOTE - We support buffers with only one handle but do not error on
+ * multiple handle case. Reason is that we want to support YUV formats
+ * where we have many logical planes but they all point to the same
+ * buffer, like is the case with VK_FORMAT_G8_B8R8_2PLANE_420_UNORM.
+ */
+ const native_handle_t *handle =
+ AHardwareBuffer_getNativeHandle(buffer);
+ int dma_buf = (handle && handle->numFds) ? handle->data[0] : -1;
+ if (dma_buf < 0)
+ return VK_ERROR_INVALID_EXTERNAL_HANDLE;
+
+ /* All memory types. */
+ uint32_t memory_types = (1u << pdevice->memory_properties.memoryTypeCount) - 1;
+
+ pProperties->allocationSize = lseek(dma_buf, 0, SEEK_END);
+ pProperties->memoryTypeBits = memory_types;
+
+ return VK_SUCCESS;
+}
+
+VkResult
+radv_GetMemoryAndroidHardwareBufferANDROID(
+ VkDevice device_h,
+ const VkMemoryGetAndroidHardwareBufferInfoANDROID *pInfo,
+ struct AHardwareBuffer **pBuffer)
+{
+ RADV_FROM_HANDLE(radv_device_memory, mem, pInfo->memory);
+
+ /* This should always be set due to the export handle types being set on
+ * allocation. */
+ assert(mem->android_hardware_buffer);
+
+ /* Some quotes from Vulkan spec:
+ *
+ * "If the device memory was created by importing an Android hardware
+ * buffer, vkGetMemoryAndroidHardwareBufferANDROID must return that same
+ * Android hardware buffer object."
+ *
+ * "VK_EXTERNAL_MEMORY_HANDLE_TYPE_ANDROID_HARDWARE_BUFFER_BIT_ANDROID must
+ * have been included in VkExportMemoryAllocateInfo::handleTypes when
+ * memory was created."
+ */
+ *pBuffer = mem->android_hardware_buffer;
+ /* Increase refcount. */
+ AHardwareBuffer_acquire(mem->android_hardware_buffer);
+ return VK_SUCCESS;
+}
+
+#endif
projects / mesa.git / commitdiff