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Diffstat (limited to 'bufferinfo/legacy/BufferInfoMaliHisi.cpp')
-rw-r--r-- | bufferinfo/legacy/BufferInfoMaliHisi.cpp | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/bufferinfo/legacy/BufferInfoMaliHisi.cpp b/bufferinfo/legacy/BufferInfoMaliHisi.cpp new file mode 100644 index 0000000..ab5579c --- /dev/null +++ b/bufferinfo/legacy/BufferInfoMaliHisi.cpp @@ -0,0 +1,128 @@ +/* + * Copyright (C) 2020 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#define LOG_TAG "hwc-bufferinfo-mali-hisi" + +#include "BufferInfoMaliHisi.h" + +#include <log/log.h> +#include <xf86drm.h> +#include <xf86drmMode.h> + +#include <cinttypes> + +#include "gralloc_priv.h" + +#define MALI_ALIGN(value, base) (((value) + ((base)-1)) & ~((base)-1)) + +namespace android { + +LEGACY_BUFFER_INFO_GETTER(BufferInfoMaliHisi); + +#if defined(MALI_GRALLOC_INTFMT_AFBC_BASIC) && \ + defined(AFBC_FORMAT_MOD_BLOCK_SIZE_16x16) +uint64_t BufferInfoMaliHisi::ConvertGrallocFormatToDrmModifiers(uint64_t flags, + bool is_rgb) { + uint64_t features = 0UL; + + if (flags & MALI_GRALLOC_INTFMT_AFBC_BASIC) + features |= AFBC_FORMAT_MOD_BLOCK_SIZE_16x16; + + if (flags & MALI_GRALLOC_INTFMT_AFBC_SPLITBLK) + features |= (AFBC_FORMAT_MOD_SPLIT | AFBC_FORMAT_MOD_SPARSE); + + if (flags & MALI_GRALLOC_INTFMT_AFBC_WIDEBLK) + features |= AFBC_FORMAT_MOD_BLOCK_SIZE_32x8; + + if (flags & MALI_GRALLOC_INTFMT_AFBC_TILED_HEADERS) + features |= AFBC_FORMAT_MOD_TILED; + + if (features) { + if (is_rgb) + features |= AFBC_FORMAT_MOD_YTR; + + return DRM_FORMAT_MOD_ARM_AFBC(features); + } + + return 0; +} +#else +uint64_t BufferInfoMaliHisi::ConvertGrallocFormatToDrmModifiers( + uint64_t /* flags */, bool /* is_rgb */) { + return 0; +} +#endif + +int BufferInfoMaliHisi::ConvertBoInfo(buffer_handle_t handle, + hwc_drm_bo_t *bo) { + bool is_rgb; + + private_handle_t const *hnd = reinterpret_cast<private_handle_t const *>( + handle); + if (!hnd) + return -EINVAL; + + if (!(hnd->usage & GRALLOC_USAGE_HW_FB)) + return -EINVAL; + + uint32_t fmt = ConvertHalFormatToDrm(hnd->req_format); + if (fmt == DRM_FORMAT_INVALID) + return -EINVAL; + + is_rgb = IsDrmFormatRgb(fmt); + bo->modifiers[0] = ConvertGrallocFormatToDrmModifiers(hnd->internal_format, + is_rgb); + + bo->width = hnd->width; + bo->height = hnd->height; + bo->hal_format = hnd->req_format; + bo->format = fmt; + bo->usage = hnd->usage; + bo->pitches[0] = hnd->byte_stride; + bo->prime_fds[0] = hnd->share_fd; + bo->offsets[0] = 0; + + switch (fmt) { + case DRM_FORMAT_YVU420: { + int align = 128; + if (hnd->usage & + (GRALLOC_USAGE_SW_READ_MASK | GRALLOC_USAGE_SW_WRITE_MASK)) + align = 16; + int adjusted_height = MALI_ALIGN(hnd->height, 2); + int y_size = adjusted_height * hnd->byte_stride; + int vu_stride = MALI_ALIGN(hnd->byte_stride / 2, align); + int v_size = vu_stride * (adjusted_height / 2); + + /* V plane*/ + bo->prime_fds[1] = hnd->share_fd; + bo->pitches[1] = vu_stride; + bo->offsets[1] = y_size; + /* U plane */ + bo->prime_fds[2] = hnd->share_fd; + bo->pitches[2] = vu_stride; + bo->offsets[2] = y_size + v_size; + break; + } + default: + break; + } + + bo->with_modifiers = true; + + return 0; +} + +} // namespace android |