When adding YUV support, we need to figure out implementation-defined
external format identifier.
Signed-off-by: Tapani Pälli <tapani.pa...@intel.com>
---
src/intel/vulkan/anv_android.c | 99 ++++++++++++++++++++++++++++++++++++++++++
1 file changed, 99 insertions(+)
diff --git a/src/intel/vulkan/anv_android.c b/src/intel/vulkan/anv_android.c
index 46c41d57861..7d0eb588e2b 100644
--- a/src/intel/vulkan/anv_android.c
+++ b/src/intel/vulkan/anv_android.c
@@ -29,6 +29,8 @@
#include <sync/sync.h>
#include "anv_private.h"
+#include "vk_format_info.h"
+#include "vk_util.h"
static int anv_hal_open(const struct hw_module_t* mod, const char* id, struct
hw_device_t** dev);
static int anv_hal_close(struct hw_device_t *dev);
@@ -96,6 +98,103 @@ anv_hal_close(struct hw_device_t *dev)
return -1;
}
+static VkResult
+get_ahw_buffer_format_properties(
+ VkDevice device_h,
+ const struct AHardwareBuffer *buffer,
+ VkAndroidHardwareBufferFormatPropertiesANDROID *pProperties)
+{
+ ANV_FROM_HANDLE(anv_device, device, device_h);
+
+ /* Get a description of buffer contents . */
+ AHardwareBuffer_Desc desc;
+ AHardwareBuffer_describe(buffer, &desc);
+
+ /* Verify description. */
+ 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_KHR;
+
+ /* Fill properties fields based on description. */
+ VkAndroidHardwareBufferFormatPropertiesANDROID *p = pProperties;
+
+ p->pNext = NULL;
+ p->format = vk_format_from_android(desc.format);
+ p->externalFormat = 1; /* XXX */
+
+ const struct anv_format *anv_format = anv_get_format(p->format);
+ struct anv_physical_device *physical_device =
+ &device->instance->physicalDevice;
+ const struct gen_device_info *devinfo = &physical_device->info;
+
+ p->formatFeatures =
+ anv_get_image_format_features(devinfo, p->format,
+ anv_format, VK_IMAGE_TILING_OPTIMAL);
+
+ /* "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"
+ */
+ p->formatFeatures |=
+ VK_FORMAT_FEATURE_MIDPOINT_CHROMA_SAMPLES_BIT;
+
+ 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_RGB_IDENTITY;
+ p->suggestedYcbcrRange = VK_SAMPLER_YCBCR_RANGE_ITU_FULL;
+ p->suggestedXChromaOffset = VK_CHROMA_LOCATION_COSITED_EVEN;
+ p->suggestedYChromaOffset = VK_CHROMA_LOCATION_COSITED_EVEN;
+
+ return VK_SUCCESS;
+}
+
+VkResult
+anv_GetAndroidHardwareBufferPropertiesANDROID(
+ VkDevice device_h,
+ const struct AHardwareBuffer *buffer,
+ VkAndroidHardwareBufferPropertiesANDROID *pProperties)
+{
+ ANV_FROM_HANDLE(anv_device, dev, device_h);
+ struct anv_physical_device *pdevice = &dev->instance->physicalDevice;
+
+ 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_ahw_buffer_format_properties(device_h, buffer, format_prop);
+
+ /* Get a description of buffer contents . */
+ AHardwareBuffer_Desc desc;
+ AHardwareBuffer_describe(buffer, &desc);
+
+ 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_KHR;
+
+ /* All memory types. */
+ uint32_t memory_types = (1ull << pdevice->memory.type_count) - 1;
+
+ pProperties->allocationSize = lseek(dma_buf, 0, SEEK_END);
+ pProperties->memoryTypeBits = memory_types;
+
+ return VK_SUCCESS;
+}
+
VkResult
anv_image_from_gralloc(VkDevice device_h,
const VkImageCreateInfo *base_info,
--
2.14.4
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