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u_gralloc: Extract common code from fallback gralloc

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... to reuse it later in QCOM gralloc.

Signed-off-by: Roman Stratiienko <r.stratiienko@gmail.com>
Tested-by: tarsin <yuanqingxiang233@163.com>
Acked-by: Chia-I Wu <olvaffe@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/25410>
This commit is contained in:
Roman Stratiienko 2023-10-04 00:59:17 +03:00 • committed by Marge Bot
parent 4c363acf94
commit 3922bd5976
4 changed files with 196 additions and 157 deletions
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1
src/util/u_gralloc/meson.build
View file

@ -9,6 +9,7 @@ options_for_u_gralloc = []
files_u_gralloc = files(
'u_gralloc.c',
'u_gralloc_internal.c',
'u_gralloc_fallback.c',
'u_gralloc_cros_api.c',
)

163
src/util/u_gralloc/u_gralloc_fallback.c
View file

@ -23,121 +23,6 @@ struct fallback_gralloc {
gralloc_module_t *gralloc_module;
};
enum chroma_order {
YCbCr,
YCrCb,
};
struct droid_yuv_format {
/* Lookup keys */
int native; /* HAL_PIXEL_FORMAT_ */
enum chroma_order chroma_order; /* chroma order is {Cb, Cr} or {Cr, Cb} */
int chroma_step; /* Distance in bytes between subsequent chroma pixels. */
/* Result */
int fourcc; /* DRM_FORMAT_ */
};
/* The following table is used to look up a DRI image FourCC based
* on native format and information contained in android_ycbcr struct. */
static const struct droid_yuv_format droid_yuv_formats[] = {
/* Native format, YCrCb, Chroma step, DRI image FourCC */
{HAL_PIXEL_FORMAT_YCbCr_420_888, YCbCr, 2, DRM_FORMAT_NV12},
{HAL_PIXEL_FORMAT_YCbCr_420_888, YCbCr, 1, DRM_FORMAT_YUV420},
{HAL_PIXEL_FORMAT_YCbCr_420_888, YCrCb, 1, DRM_FORMAT_YVU420},
{HAL_PIXEL_FORMAT_YV12, YCrCb, 1, DRM_FORMAT_YVU420},
/* HACK: See droid_create_image_from_prime_fds() and
* https://issuetracker.google.com/32077885. */
{HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED, YCbCr, 2, DRM_FORMAT_NV12},
{HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED, YCbCr, 1, DRM_FORMAT_YUV420},
{HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED, YCrCb, 1, DRM_FORMAT_YVU420},
{HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED, YCrCb, 1, DRM_FORMAT_AYUV},
{HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED, YCrCb, 1, DRM_FORMAT_XYUV8888},
};
static int
get_fourcc_yuv(int native, enum chroma_order chroma_order, int chroma_step)
{
for (int i = 0; i < ARRAY_SIZE(droid_yuv_formats); ++i)
if (droid_yuv_formats[i].native == native &&
droid_yuv_formats[i].chroma_order == chroma_order &&
droid_yuv_formats[i].chroma_step == chroma_step)
return droid_yuv_formats[i].fourcc;
return -1;
}
static bool
is_yuv(int native)
{
for (int i = 0; i < ARRAY_SIZE(droid_yuv_formats); ++i)
if (droid_yuv_formats[i].native == native)
return true;
return false;
}
static int
get_format_bpp(int native)
{
int bpp;
switch (native) {
case HAL_PIXEL_FORMAT_RGBA_FP16:
bpp = 8;
break;
case HAL_PIXEL_FORMAT_RGBA_8888:
case HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED:
/*
* HACK: Hardcode this to RGBX_8888 as per cros_gralloc hack.
* TODO: Remove this once https://issuetracker.google.com/32077885 is
* fixed.
*/
case HAL_PIXEL_FORMAT_RGBX_8888:
case HAL_PIXEL_FORMAT_BGRA_8888:
case HAL_PIXEL_FORMAT_RGBA_1010102:
bpp = 4;
break;
case HAL_PIXEL_FORMAT_RGB_565:
bpp = 2;
break;
default:
bpp = 0;
break;
}
return bpp;
}
/* createImageFromFds requires fourcc format */
static int
get_fourcc(int native)
{
switch (native) {
case HAL_PIXEL_FORMAT_RGB_565:
return DRM_FORMAT_RGB565;
case HAL_PIXEL_FORMAT_BGRA_8888:
return DRM_FORMAT_ARGB8888;
case HAL_PIXEL_FORMAT_RGBA_8888:
return DRM_FORMAT_ABGR8888;
case HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED:
/*
* HACK: Hardcode this to RGBX_8888 as per cros_gralloc hack.
* TODO: Remove this once https://issuetracker.google.com/32077885 is
* fixed.
*/
case HAL_PIXEL_FORMAT_RGBX_8888:
return DRM_FORMAT_XBGR8888;
case HAL_PIXEL_FORMAT_RGBA_FP16:
return DRM_FORMAT_ABGR16161616F;
case HAL_PIXEL_FORMAT_RGBA_1010102:
return DRM_FORMAT_ABGR2101010;
default:
mesa_logw("unsupported native buffer format 0x%x", native);
}
return -1;
}
/* returns # of fds, and by reference the actual fds */
static unsigned
get_native_buffer_fds(const native_handle_t *handle, int fds[3])
@ -163,9 +48,7 @@ fallback_gralloc_get_yuv_info(struct u_gralloc *gralloc,
{
struct fallback_gralloc *gr = (struct fallback_gralloc *)gralloc;
gralloc_module_t *gr_mod = gr->gralloc_module;
enum chroma_order chroma_order;
struct android_ycbcr ycbcr;
int drm_fourcc = 0;
int num_fds = 0;
int fds[3];
int ret;
@ -191,43 +74,9 @@ fallback_gralloc_get_yuv_info(struct u_gralloc *gralloc,
}
gr_mod->unlock(gr_mod, hnd->handle);
chroma_order = ((size_t)ycbcr.cr < (size_t)ycbcr.cb) ? YCrCb : YCbCr;
/* .chroma_step is the byte distance between the same chroma channel
* values of subsequent pixels, assumed to be the same for Cb and Cr. */
drm_fourcc =
get_fourcc_yuv(hnd->hal_format, chroma_order, ycbcr.chroma_step);
if (drm_fourcc == -1) {
mesa_logw("unsupported YUV format, native = %x, chroma_order = %s, "
"chroma_step = %zu",
hnd->hal_format, chroma_order == YCbCr ? "YCbCr" : "YCrCb",
ycbcr.chroma_step);
return -EINVAL;
}
out->drm_fourcc = drm_fourcc;
out->modifier = DRM_FORMAT_MOD_INVALID;
out->num_planes = ycbcr.chroma_step == 2 ? 2 : 3;
/* When lock_ycbcr's usage argument contains no SW_READ/WRITE flags
* it will return the .y/.cb/.cr pointers based on a NULL pointer,
* so they can be interpreted as offsets. */
out->offsets[0] = (size_t)ycbcr.y;
/* We assume here that all the planes are located in one DMA-buf. */
if (chroma_order == YCrCb) {
out->offsets[1] = (size_t)ycbcr.cr;
out->offsets[2] = (size_t)ycbcr.cb;
} else {
out->offsets[1] = (size_t)ycbcr.cb;
out->offsets[2] = (size_t)ycbcr.cr;
}
/* .ystride is the line length (in bytes) of the Y plane,
* .cstride is the line length (in bytes) of any of the remaining
* Cb/Cr/CbCr planes, assumed to be the same for Cb and Cr for fully
* planar formats. */
out->strides[0] = ycbcr.ystride;
out->strides[1] = out->strides[2] = ycbcr.cstride;
ret = bufferinfo_from_ycbcr(&ycbcr, hnd, out);
if (ret)
return ret;
/*
* Since this is EGL_NATIVE_BUFFER_ANDROID don't assume that
@ -258,7 +107,7 @@ fallback_gralloc_get_buffer_info(struct u_gralloc *gralloc,
int stride = 0;
int fds[3];
if (is_yuv(hnd->hal_format)) {
if (is_hal_format_yuv(hnd->hal_format)) {
int ret = fallback_gralloc_get_yuv_info(gralloc, hnd, out);
/*
* HACK: https://issuetracker.google.com/32077885
@ -282,13 +131,13 @@ fallback_gralloc_get_buffer_info(struct u_gralloc *gralloc,
assert(num_planes == 1);
drm_fourcc = get_fourcc(hnd->hal_format);
drm_fourcc = get_fourcc_from_hal_format(hnd->hal_format);
if (drm_fourcc == -1) {
mesa_loge("Failed to get drm_fourcc");
return -EINVAL;
}
stride = hnd->pixel_stride * get_format_bpp(hnd->hal_format);
stride = hnd->pixel_stride * get_hal_format_bpp(hnd->hal_format);
if (stride == 0) {
mesa_loge("Failed to calcuulate stride");
return -EINVAL;

179
src/util/u_gralloc/u_gralloc_internal.c Normal file
View file

@ -0,0 +1,179 @@
/*
* Mesa 3-D graphics library
*
* Copyright © 2021, Google Inc.
* Copyright (C) 2023 Roman Stratiienko (r.stratiienko@gmail.com)
* SPDX-License-Identifier: MIT
*/
#include "u_gralloc_internal.h"
#include <hardware/gralloc.h>
#include <errno.h>
#include "drm-uapi/drm_fourcc.h"
#include "util/log.h"
enum chroma_order {
YCbCr,
YCrCb,
};
struct droid_yuv_format {
/* Lookup keys */
int native; /* HAL_PIXEL_FORMAT_ */
enum chroma_order chroma_order; /* chroma order is {Cb, Cr} or {Cr, Cb} */
int chroma_step; /* Distance in bytes between subsequent chroma pixels. */
/* Result */
int fourcc; /* DRM_FORMAT_ */
};
/* The following table is used to look up a DRI image FourCC based
* on native format and information contained in android_ycbcr struct. */
static const struct droid_yuv_format droid_yuv_formats[] = {
/* Native format, YCrCb, Chroma step, DRI image FourCC */
{HAL_PIXEL_FORMAT_YCbCr_420_888, YCbCr, 2, DRM_FORMAT_NV12},
{HAL_PIXEL_FORMAT_YCbCr_420_888, YCbCr, 1, DRM_FORMAT_YUV420},
{HAL_PIXEL_FORMAT_YCbCr_420_888, YCrCb, 1, DRM_FORMAT_YVU420},
{HAL_PIXEL_FORMAT_YV12, YCrCb, 1, DRM_FORMAT_YVU420},
/* HACK: See droid_create_image_from_prime_fds() and
* https://issuetracker.google.com/32077885. */
{HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED, YCbCr, 2, DRM_FORMAT_NV12},
{HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED, YCbCr, 1, DRM_FORMAT_YUV420},
{HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED, YCrCb, 1, DRM_FORMAT_YVU420},
{HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED, YCrCb, 1, DRM_FORMAT_AYUV},
{HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED, YCrCb, 1, DRM_FORMAT_XYUV8888},
};
static int
get_fourcc_yuv(int native, enum chroma_order chroma_order, int chroma_step)
{
for (int i = 0; i < ARRAY_SIZE(droid_yuv_formats); ++i)
if (droid_yuv_formats[i].native == native &&
droid_yuv_formats[i].chroma_order == chroma_order &&
droid_yuv_formats[i].chroma_step == chroma_step)
return droid_yuv_formats[i].fourcc;
return -1;
}
bool
is_hal_format_yuv(int native)
{
for (int i = 0; i < ARRAY_SIZE(droid_yuv_formats); ++i)
if (droid_yuv_formats[i].native == native)
return true;
return false;
}
int
get_hal_format_bpp(int native)
{
int bpp;
switch (native) {
case HAL_PIXEL_FORMAT_RGBA_FP16:
bpp = 8;
break;
case HAL_PIXEL_FORMAT_RGBA_8888:
case HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED:
/*
* HACK: Hardcode this to RGBX_8888 as per cros_gralloc hack.
* TODO: Remove this once https://issuetracker.google.com/32077885 is
* fixed.
*/
case HAL_PIXEL_FORMAT_RGBX_8888:
case HAL_PIXEL_FORMAT_BGRA_8888:
case HAL_PIXEL_FORMAT_RGBA_1010102:
bpp = 4;
break;
case HAL_PIXEL_FORMAT_RGB_565:
bpp = 2;
break;
default:
bpp = 0;
break;
}
return bpp;
}
int
get_fourcc_from_hal_format(int native)
{
switch (native) {
case HAL_PIXEL_FORMAT_RGB_565:
return DRM_FORMAT_RGB565;
case HAL_PIXEL_FORMAT_BGRA_8888:
return DRM_FORMAT_ARGB8888;
case HAL_PIXEL_FORMAT_RGBA_8888:
return DRM_FORMAT_ABGR8888;
case HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED:
/*
* HACK: Hardcode this to RGBX_8888 as per cros_gralloc hack.
* TODO: Remove this once https://issuetracker.google.com/32077885 is
* fixed.
*/
case HAL_PIXEL_FORMAT_RGBX_8888:
return DRM_FORMAT_XBGR8888;
case HAL_PIXEL_FORMAT_RGBA_FP16:
return DRM_FORMAT_ABGR16161616F;
case HAL_PIXEL_FORMAT_RGBA_1010102:
return DRM_FORMAT_ABGR2101010;
default:
mesa_logw("unsupported native buffer format 0x%x", native);
}
return -1;
}
/* Fill the bufferinfo structure using the information from the
* android_ycbcr struct. fds[] are not filled by this function.
*/
int
bufferinfo_from_ycbcr(const struct android_ycbcr *ycbcr,
struct u_gralloc_buffer_handle *hnd,
struct u_gralloc_buffer_basic_info *out)
{
enum chroma_order chroma_order =
((size_t)ycbcr->cr < (size_t)ycbcr->cb) ? YCrCb : YCbCr;
/* .chroma_step is the byte distance between the same chroma channel
* values of subsequent pixels, assumed to be the same for Cb and Cr. */
int drm_fourcc =
get_fourcc_yuv(hnd->hal_format, chroma_order, ycbcr->chroma_step);
if (drm_fourcc == -1) {
mesa_logw("unsupported YUV format, native = %x, chroma_order = %s, "
"chroma_step = %zu",
hnd->hal_format, chroma_order == YCbCr ? "YCbCr" : "YCrCb",
ycbcr->chroma_step);
return -EINVAL;
}
out->drm_fourcc = drm_fourcc;
out->num_planes = ycbcr->chroma_step == 2 ? 2 : 3;
/* When lock_ycbcr's usage argument contains no SW_READ/WRITE flags
* it will return the .y/.cb/.cr pointers based on a NULL pointer,
* so they can be interpreted as offsets. */
out->offsets[0] = (size_t)ycbcr->y;
/* We assume here that all the planes are located in one DMA-buf. */
if (chroma_order == YCrCb) {
out->offsets[1] = (size_t)ycbcr->cr;
out->offsets[2] = (size_t)ycbcr->cb;
} else {
out->offsets[1] = (size_t)ycbcr->cb;
out->offsets[2] = (size_t)ycbcr->cr;
}
/* .ystride is the line length (in bytes) of the Y plane,
* .cstride is the line length (in bytes) of any of the remaining
* Cb/Cr/CbCr planes, assumed to be the same for Cb and Cr for fully
* planar formats. */
out->strides[0] = ycbcr->ystride;
out->strides[1] = out->strides[2] = ycbcr->cstride;
return 0;
}

10
src/util/u_gralloc/u_gralloc_internal.h
View file

@ -37,6 +37,16 @@ extern struct u_gralloc *u_gralloc_imapper_api_create(void);
#endif
extern struct u_gralloc *u_gralloc_fallback_create(void);
/* Helpers for legacy grallocs */
struct android_ycbcr;
bool is_hal_format_yuv(int native);
int get_hal_format_bpp(int native);
int get_fourcc_from_hal_format(int native);
int bufferinfo_from_ycbcr(const struct android_ycbcr *ycbcr,
struct u_gralloc_buffer_handle *hnd,
struct u_gralloc_buffer_basic_info *out);
#ifdef __cplusplus
}
#endif