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aux/android/ahardwarebuffer_allocator: Add function to allocate a single buffer.

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This commit is contained in:
Lubosz Sarnecki 2020-09-25 20:02:17 +02:00 committed by Ryan Pavlik
parent 436886852d
commit 2df2daa00c
2 changed files with 53 additions and 0 deletions
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49
src/xrt/auxiliary/android/android_ahardwarebuffer_allocator.c
View file

@ -66,6 +66,55 @@ vk_format_to_ahardwarebuffer(uint64_t format)
}
}
xrt_result_t
ahardwarebuffer_image_allocate(const struct xrt_swapchain_create_info *xsci,
xrt_graphics_buffer_handle_t *out_image)
{
AHardwareBuffer_Desc desc;
U_ZERO(&desc);
enum AHardwareBuffer_Format ahb_format =
vk_format_to_ahardwarebuffer(xsci->format);
if (ahb_format == 0) {
AHB_ERROR("Could not convert %04" PRIx64
" to AHardwareBuffer_Format!",
(uint64_t)xsci->format);
return XRT_ERROR_ALLOCATION;
}
desc.height = xsci->height;
desc.width = xsci->width;
desc.format = ahb_format;
desc.layers = xsci->array_size;
if (xsci->face_count == 6) {
desc.usage |= AHARDWAREBUFFER_USAGE_GPU_CUBE_MAP;
desc.layers *= 6;
}
if (0 != (xsci->bits & (XRT_SWAPCHAIN_USAGE_COLOR |
XRT_SWAPCHAIN_USAGE_DEPTH_STENCIL))) {
desc.usage |= AHARDWAREBUFFER_USAGE_GPU_FRAMEBUFFER;
}
if (0 != (xsci->bits & XRT_SWAPCHAIN_USAGE_SAMPLED)) {
desc.usage |= AHARDWAREBUFFER_USAGE_GPU_SAMPLED_IMAGE;
}
if (0 != (xsci->create & XRT_SWAPCHAIN_CREATE_PROTECTED_CONTENT)) {
desc.usage |= AHARDWAREBUFFER_USAGE_PROTECTED_CONTENT;
}
#if __ANDROID_API__ >= 29
if (0 == AHardwareBuffer_isSupported(&desc)) {
AHB_ERROR("Computed AHardwareBuffer_Desc is not supported.");
return XRT_ERROR_ALLOCATION;
}
#endif
int ret = AHardwareBuffer_allocate(&desc, out_image);
if (ret != 0) {
AHB_ERROR("Failed allocating image.");
return XRT_ERROR_ALLOCATION;
}
return XRT_SUCCESS;
}
static xrt_result_t
ahardwarebuffer_images_allocate(struct xrt_image_native_allocator *xina,
const struct xrt_swapchain_create_info *xsci,

4
src/xrt/auxiliary/android/android_ahardwarebuffer_allocator.h
View file

@ -22,6 +22,10 @@ extern "C" {
struct xrt_image_native_allocator *
android_ahardwarebuffer_allocator_create();
xrt_result_t
ahardwarebuffer_image_allocate(const struct xrt_swapchain_create_info *xsci,
xrt_graphics_buffer_handle_t *out_image);
#endif // XRT_GRAPHICS_BUFFER_HANDLE_IS_AHARDWAREBUFFER
#ifdef __cplusplus