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glamor: Implement PixmapFromBuffers and BuffersFromPixmap 

It relies on GBM >= 17.1.0 where we can import BO with multiple
planes and a format modifier (GBM_BO_IMPORT_FD_MODIFIER).

v2: Properly free fds in Xwayland

[Also add glamor_egl_ext.h to Makefile.am for distcheck's sake - ajax]

Signed-off-by: Louis-Francis Ratté-Boulianne <lfrb@collabora.com>
Reviewed-by: Daniel Stone <daniels@collabora.com>
Acked-by: Keith Packard <keithp@keithp.com>
Reviewed-by: Adam Jackson <ajax@redhat.com>
This commit is contained in:
Louis-Francis Ratté-Boulianne 2018-02-28 01:19:43 +00:00 committed by Adam Jackson
parent 9d147305b4
commit c8c276c956
16 changed files with 461 additions and 119 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
configure.ac
View File

@ -2095,6 +2095,10 @@ if test "x$GLAMOR" = xyes; then
[AC_DEFINE(GLAMOR_HAS_GBM_LINEAR, 1, [Have GBM_BO_USE_LINEAR])], [],
[#include <stdlib.h>
#include <gbm.h>])
dnl 17.1.0 is required for gbm_bo_create_with_modifiers
PKG_CHECK_EXISTS(gbm >= 17.1.0,
[AC_DEFINE(GBM_BO_WITH_MODIFIERS, 1, [Have gbm_bo_create_with_modifiers])],
[])
else
if test "x$XORG" = xyes; then
AC_MSG_ERROR([Glamor for Xorg requires $LIBGBM])

1
glamor/Makefile.am
View File

@ -56,6 +56,7 @@ endif
libglamor_egl_stubs_la_SOURCES = \
glamor_egl_stubs.c \
glamor_egl_ext.h \
glamor_egl.h
sdk_HEADERS = glamor.h

37
glamor/glamor.c
View File

@ -32,6 +32,7 @@
*/
#include <stdlib.h>
#include <unistd.h>
#include "glamor_priv.h"
#include "mipict.h"
@ -793,8 +794,9 @@ glamor_supports_pixmap_import_export(ScreenPtr screen)
}
_X_EXPORT int
glamor_fd_from_pixmap(ScreenPtr screen,
PixmapPtr pixmap, CARD16 *stride, CARD32 *size)
glamor_fds_from_pixmap(ScreenPtr screen, PixmapPtr pixmap, int *fds,
uint32_t *strides, uint32_t *offsets,
uint64_t *modifier)
{
glamor_pixmap_private *pixmap_priv = glamor_get_pixmap_private(pixmap);
glamor_screen_private *glamor_priv =
@ -808,10 +810,9 @@ glamor_fd_from_pixmap(ScreenPtr screen,
if (!glamor_pixmap_ensure_fbo(pixmap, pixmap->drawable.depth == 30 ?
GL_RGB10_A2 : GL_RGBA, 0))
return -1;
return glamor_egl_dri3_fd_name_from_tex(screen,
pixmap,
pixmap_priv->fbo->tex,
FALSE, stride, size);
return glamor_egl_fds_from_pixmap(screen, pixmap, fds,
strides, offsets,
modifier);
default:
break;
}
@ -824,6 +825,9 @@ glamor_shareable_fd_from_pixmap(ScreenPtr screen,
{
unsigned orig_usage_hint = pixmap->usage_hint;
int ret;
int fds[4];
uint32_t strides[4], offsets[4];
uint64_t modifier;
/*
* The actual difference between a sharable and non sharable buffer
@ -832,7 +836,20 @@ glamor_shareable_fd_from_pixmap(ScreenPtr screen,
* 2 of those calls are also exported API, so we cannot just add a flag.
*/
pixmap->usage_hint = CREATE_PIXMAP_USAGE_SHARED;
ret = glamor_fd_from_pixmap(screen, pixmap, stride, size);
ret = glamor_fds_from_pixmap(screen, pixmap, fds, strides, offsets,
&modifier);
/* Pixmaps with multi-planes/modifier are not shareable */
if (ret > 1) {
while (ret > 0)
close(fds[--ret]);
return -1;
}
ret = fds[0];
*stride = strides[0];
*size = pixmap->drawable.height * *stride;
pixmap->usage_hint = orig_usage_hint;
return ret;
@ -849,10 +866,8 @@ glamor_name_from_pixmap(PixmapPtr pixmap, CARD16 *stride, CARD32 *size)
if (!glamor_pixmap_ensure_fbo(pixmap, pixmap->drawable.depth == 30 ?
GL_RGB10_A2 : GL_RGBA, 0))
return -1;
return glamor_egl_dri3_fd_name_from_tex(pixmap->drawable.pScreen,
pixmap,
pixmap_priv->fbo->tex,
TRUE, stride, size);
return glamor_egl_fd_name_from_pixmap(pixmap->drawable.pScreen,
pixmap, stride, size);
default:
break;
}

65
glamor/glamor.h
View File

@ -138,15 +138,17 @@ extern _X_EXPORT void glamor_pixmap_exchange_fbos(PixmapPtr front,
/* The DDX is not supposed to call these three functions */
extern _X_EXPORT void glamor_enable_dri3(ScreenPtr screen);
extern _X_EXPORT int glamor_egl_dri3_fd_name_from_tex(ScreenPtr, PixmapPtr,
unsigned int, Bool,
CARD16 *, CARD32 *);
extern _X_EXPORT int glamor_egl_fds_from_pixmap(ScreenPtr, PixmapPtr, int *,
uint32_t *, uint32_t *,
uint64_t *);
extern _X_EXPORT int glamor_egl_fd_name_from_pixmap(ScreenPtr, PixmapPtr,
CARD16 *, CARD32 *);
extern _X_EXPORT struct gbm_device *glamor_egl_get_gbm_device(ScreenPtr screen);
/* @glamor_supports_pixmap_import_export: Returns whether
* glamor_fd_from_pixmap(), glamor_name_from_pixmap(), and
* glamor_pixmap_from_fd() are supported.
* glamor_fds_from_pixmap(), glamor_name_from_pixmap(), and
* glamor_pixmap_from_fds() are supported.
*
* @screen: Current screen pointer.
*
@ -159,20 +161,22 @@ extern _X_EXPORT struct gbm_device *glamor_egl_get_gbm_device(ScreenPtr screen);
* */
extern _X_EXPORT Bool glamor_supports_pixmap_import_export(ScreenPtr screen);
/* @glamor_fd_from_pixmap: Get a dma-buf fd from a pixmap.
/* @glamor_fds_from_pixmap: Get a dma-buf fd from a pixmap.
*
* @screen: Current screen pointer.
* @pixmap: The pixmap from which we want the fd.
* @stride, @size: Pointers to fill the stride and size of the
* buffer associated to the fd.
* @fds, @strides, @offsets: Pointers to fill info of each plane.
* @modifier: Pointer to fill the modifier of the buffer.
*
* the pixmap and the buffer associated by the fd will share the same
* content.
* Returns the fd on success, -1 on error.
* the pixmap and the buffer associated by the fds will share the same
* content. The caller is responsible to close the returned file descriptors.
* Returns the number of planes, -1 on error.
* */
extern _X_EXPORT int glamor_fd_from_pixmap(ScreenPtr screen,
PixmapPtr pixmap,
CARD16 *stride, CARD32 *size);
extern _X_EXPORT int glamor_fds_from_pixmap(ScreenPtr screen,
PixmapPtr pixmap,
int *fds,
uint32_t *strides, uint32_t *offsets,
uint64_t *modifier);
/* @glamor_shareable_fd_from_pixmap: Get a dma-buf fd suitable for sharing
* with other GPUs from a pixmap.
@ -224,25 +228,30 @@ extern _X_EXPORT int glamor_name_from_pixmap(PixmapPtr pixmap,
extern _X_EXPORT struct gbm_bo *glamor_gbm_bo_from_pixmap(ScreenPtr screen,
PixmapPtr pixmap);
/* @glamor_pixmap_from_fd: Creates a pixmap to wrap a dma-buf fd.
/* @glamor_pixmap_from_fds: Creates a pixmap to wrap a dma-buf fds.
*
* @screen: Current screen pointer.
* @fd: The dma-buf fd to import.
* @width: The width of the buffer.
* @height: The height of the buffer.
* @stride: The stride of the buffer.
* @depth: The depth of the buffer.
* @bpp: The number of bpp of the buffer.
* @num_fds: Number of fds to import
* @fds: The dma-buf fds to import.
* @width: The width of the buffers.
* @height: The height of the buffers.
* @stride: The stride of the buffers.
* @depth: The depth of the buffers.
* @bpp: The bpp of the buffers.
* @modifier: The modifier of the buffers.
*
* Returns a valid pixmap if the import succeeded, else NULL.
* */
extern _X_EXPORT PixmapPtr glamor_pixmap_from_fd(ScreenPtr screen,
int fd,
CARD16 width,
CARD16 height,
CARD16 stride,
CARD8 depth,
CARD8 bpp);
extern _X_EXPORT PixmapPtr glamor_pixmap_from_fds(ScreenPtr screen,
CARD8 num_fds,
int *fds,
CARD16 width,
CARD16 height,
CARD32 *strides,
CARD32 *offsets,
CARD8 depth,
CARD8 bpp,
uint64_t modifier);
/* @glamor_back_pixmap_from_fd: Backs an existing pixmap with a dma-buf fd.
*

136
glamor/glamor_egl.c
View File

@ -56,6 +56,7 @@ struct glamor_egl_screen_private {
CloseScreenProcPtr CloseScreen;
int fd;
struct gbm_device *gbm;
int dmabuf_capable;
CloseScreenProcPtr saved_close_screen;
DestroyPixmapProcPtr saved_destroy_pixmap;
@ -330,10 +331,51 @@ glamor_gbm_bo_from_pixmap(ScreenPtr screen, PixmapPtr pixmap)
}
int
glamor_egl_dri3_fd_name_from_tex(ScreenPtr screen,
PixmapPtr pixmap,
unsigned int tex,
Bool want_name, CARD16 *stride, CARD32 *size)
glamor_egl_fds_from_pixmap(ScreenPtr screen, PixmapPtr pixmap, int *fds,
uint32_t *strides, uint32_t *offsets,
uint64_t *modifier)
{
#ifdef GLAMOR_HAS_GBM
struct gbm_bo *bo;
int num_fds;
#ifdef GBM_BO_WITH_MODIFIERS
int i;
#endif
if (!glamor_make_pixmap_exportable(pixmap))
return 0;
bo = glamor_gbm_bo_from_pixmap(screen, pixmap);
if (!bo)
return 0;
#ifdef GBM_BO_WITH_MODIFIERS
num_fds = gbm_bo_get_plane_count(bo);
for (i = 0; i < num_fds; i++) {
fds[i] = gbm_bo_get_fd(bo);
strides[i] = gbm_bo_get_stride_for_plane(bo, i);
offsets[i] = gbm_bo_get_offset(bo, i);
}
*modifier = gbm_bo_get_modifier(bo);
#else
num_fds = 1;
fds[0] = gbm_bo_get_fd(bo);
strides[0] = gbm_bo_get_stride(bo);
offsets[0] = 0;
*modifier = DRM_FORMAT_MOD_INVALID;
#endif
gbm_bo_destroy(bo);
return num_fds;
#else
return 0;
#endif
}
int
glamor_egl_fd_name_from_pixmap(ScreenPtr screen,
PixmapPtr pixmap,
CARD16 *stride, CARD32 *size)
{
struct glamor_egl_screen_private *glamor_egl;
struct gbm_bo *bo;
@ -347,12 +389,7 @@ glamor_egl_dri3_fd_name_from_tex(ScreenPtr screen,
pixmap->devKind = gbm_bo_get_stride(bo);
if (want_name) {
glamor_get_name_from_bo(glamor_egl->fd, bo, &fd);
}
else {
fd = gbm_bo_get_fd(bo);
}
glamor_get_name_from_bo(glamor_egl->fd, bo, &fd);
*stride = pixmap->devKind;
*size = pixmap->devKind * gbm_bo_get_height(bo);
@ -399,19 +436,68 @@ glamor_back_pixmap_from_fd(PixmapPtr pixmap,
return ret;
}
static uint32_t
gbm_format_for_depth(CARD8 depth)
{
switch (depth) {
case 16:
return GBM_FORMAT_RGB565;
case 24:
return GBM_FORMAT_XRGB8888;
default:
ErrorF("unexpected depth: %d\n", depth);
case 32:
return GBM_FORMAT_ARGB8888;
}
}
_X_EXPORT PixmapPtr
glamor_pixmap_from_fd(ScreenPtr screen,
int fd,
CARD16 width,
CARD16 height,
CARD16 stride, CARD8 depth, CARD8 bpp)
glamor_pixmap_from_fds(ScreenPtr screen,
CARD8 num_fds, int *fds,
CARD16 width, CARD16 height,
CARD32 *strides, CARD32 *offsets,
CARD8 depth, CARD8 bpp,
uint64_t modifier)
{
PixmapPtr pixmap;
Bool ret;
struct glamor_egl_screen_private *glamor_egl;
Bool ret = FALSE;
int i;
glamor_egl = glamor_egl_get_screen_private(xf86ScreenToScrn(screen));
pixmap = screen->CreatePixmap(screen, 0, 0, depth, 0);
ret = glamor_back_pixmap_from_fd(pixmap, fd, width, height,
stride, depth, bpp);
#ifdef GBM_BO_WITH_MODIFIERS
if (glamor_egl->dmabuf_capable && modifier != DRM_FORMAT_MOD_INVALID) {
struct gbm_import_fd_modifier_data import_data = { 0 };
struct gbm_bo *bo;
import_data.width = width;
import_data.height = height;
import_data.num_fds = num_fds;
import_data.modifier = modifier;
for (i = 0; i < num_fds; i++) {
import_data.fds[i] = fds[i];
import_data.strides[i] = strides[i];
import_data.offsets[i] = offsets[i];
}
import_data.format = gbm_format_for_depth(depth);
bo = gbm_bo_import(glamor_egl->gbm, GBM_BO_IMPORT_FD_MODIFIER, &import_data, 0);
if (bo) {
screen->ModifyPixmapHeader(pixmap, width, height, 0, 0, strides[0], NULL);
ret = glamor_egl_create_textured_pixmap_from_gbm_bo(pixmap, bo);
gbm_bo_destroy(bo);
}
} else
#endif
{
if (num_fds == 1) {
ret = glamor_back_pixmap_from_fd(pixmap, fds[0], width, height,
strides[0], depth, bpp);
}
}
if (ret == FALSE) {
screen->DestroyPixmap(pixmap);
return NULL;
@ -536,10 +622,10 @@ glamor_dri3_open_client(ClientPtr client,
}
static dri3_screen_info_rec glamor_dri3_info = {
.version = 1,
.version = 2,
.open_client = glamor_dri3_open_client,
.pixmap_from_fd = glamor_pixmap_from_fd,
.fd_from_pixmap = glamor_fd_from_pixmap,
.pixmap_from_fds = glamor_pixmap_from_fds,
.fds_from_pixmap = glamor_egl_fds_from_pixmap,
};
#endif /* DRI3 */
@ -737,6 +823,14 @@ glamor_egl_init(ScrnInfoPtr scrn, int fd)
xf86DrvMsg(scrn->scrnIndex, X_INFO, "glamor X acceleration enabled on %s\n",
glGetString(GL_RENDERER));
#ifdef GBM_BO_WITH_MODIFIERS
if (epoxy_has_egl_extension(glamor_egl->display,
"EGL_EXT_image_dma_buf_import") &&
epoxy_has_egl_extension(glamor_egl->display,
"EGL_EXT_image_dma_buf_import_modifiers"))
glamor_egl->dmabuf_capable = TRUE;
#endif
glamor_egl->saved_free_screen = scrn->FreeScreen;
scrn->FreeScreen = glamor_egl_free_screen;
return TRUE;

1
glamor/glamor_egl.h
View File

@ -30,6 +30,7 @@
#define MESA_EGL_NO_X11_HEADERS
#include <epoxy/gl.h>
#include <epoxy/egl.h>
#include <glamor_egl_ext.h>
/*
* Create an EGLDisplay from a native display type. This is a little quirky

65
glamor/glamor_egl_ext.h Normal file
View File

@ -0,0 +1,65 @@
/*
* Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial
* portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
/* Extensions used by Glamor, copied from Mesa's eglmesaext.h, */
#ifndef GLAMOR_EGL_EXT_H
#define GLAMOR_EGL_EXT_H
/* Define needed tokens from EGL_EXT_image_dma_buf_import extension
* here to avoid having to add ifdefs everywhere.*/
#ifndef EGL_EXT_image_dma_buf_import
#define EGL_LINUX_DMA_BUF_EXT 0x3270
#define EGL_LINUX_DRM_FOURCC_EXT 0x3271
#define EGL_DMA_BUF_PLANE0_FD_EXT 0x3272
#define EGL_DMA_BUF_PLANE0_OFFSET_EXT 0x3273
#define EGL_DMA_BUF_PLANE0_PITCH_EXT 0x3274
#define EGL_DMA_BUF_PLANE1_FD_EXT 0x3275
#define EGL_DMA_BUF_PLANE1_OFFSET_EXT 0x3276
#define EGL_DMA_BUF_PLANE1_PITCH_EXT 0x3277
#define EGL_DMA_BUF_PLANE2_FD_EXT 0x3278
#define EGL_DMA_BUF_PLANE2_OFFSET_EXT 0x3279
#define EGL_DMA_BUF_PLANE2_PITCH_EXT 0x327A
#endif
/* Define tokens from EGL_EXT_image_dma_buf_import_modifiers */
#ifndef EGL_EXT_image_dma_buf_import_modifiers
#define EGL_EXT_image_dma_buf_import_modifiers 1
#define EGL_DMA_BUF_PLANE3_FD_EXT 0x3440
#define EGL_DMA_BUF_PLANE3_OFFSET_EXT 0x3441
#define EGL_DMA_BUF_PLANE3_PITCH_EXT 0x3442
#define EGL_DMA_BUF_PLANE0_MODIFIER_LO_EXT 0x3443
#define EGL_DMA_BUF_PLANE0_MODIFIER_HI_EXT 0x3444
#define EGL_DMA_BUF_PLANE1_MODIFIER_LO_EXT 0x3445
#define EGL_DMA_BUF_PLANE1_MODIFIER_HI_EXT 0x3446
#define EGL_DMA_BUF_PLANE2_MODIFIER_LO_EXT 0x3447
#define EGL_DMA_BUF_PLANE2_MODIFIER_HI_EXT 0x3448
#define EGL_DMA_BUF_PLANE3_MODIFIER_LO_EXT 0x3449
#define EGL_DMA_BUF_PLANE3_MODIFIER_HI_EXT 0x344A
typedef EGLBoolean (EGLAPIENTRYP PFNEGLQUERYDMABUFFORMATSEXTPROC) (EGLDisplay dpy, EGLint max_formats, EGLint *formats, EGLint *num_formats);
typedef EGLBoolean (EGLAPIENTRYP PFNEGLQUERYDMABUFMODIFIERSEXTPROC) (EGLDisplay dpy, EGLint format, EGLint max_modifiers, EGLuint64KHR *modifiers, EGLBoolean *external_only, EGLint *num_modifiers);
#endif
#endif /* GLAMOR_EGL_EXT_H */

16
glamor/glamor_egl_stubs.c
View File

@ -36,10 +36,18 @@ glamor_egl_screen_init(ScreenPtr screen, struct glamor_context *glamor_ctx)
}
int
glamor_egl_dri3_fd_name_from_tex(ScreenPtr screen,
PixmapPtr pixmap,
unsigned int tex,
Bool want_name, CARD16 *stride, CARD32 *size)
glamor_egl_fd_name_from_pixmap(ScreenPtr screen,
PixmapPtr pixmap,
CARD16 *stride, CARD32 *size)
{
return -1;
}
int
glamor_egl_fds_from_pixmap(ScreenPtr screen, PixmapPtr pixmap, int *fds,
uint32_t *offsets, uint32_t *strides,
uint64_t *modifier)
{
return 0;
}

2
hw/xwayland/.gitignore vendored
View File

@ -5,3 +5,5 @@ pointer-constraints-unstable-v1-client-protocol.h
pointer-constraints-unstable-v1-protocol.c
relative-pointer-unstable-v1-client-protocol.h
relative-pointer-unstable-v1-protocol.c
linux-dmabuf-unstable-v1-client-protocol.h
linux-dmabuf-unstable-v1-protocol.c

10
hw/xwayland/Makefile.am
View File

@ -62,8 +62,9 @@ Xwayland_built_sources += \
xwayland-keyboard-grab-unstable-v1-protocol.c \
xwayland-keyboard-grab-unstable-v1-client-protocol.h \
xdg-output-unstable-v1-protocol.c \
xdg-output-unstable-v1-client-protocol.h
xdg-output-unstable-v1-client-protocol.h \
linux-dmabuf-unstable-v1-client-protocol.h \
linux-dmabuf-unstable-v1-protocol.c
nodist_Xwayland_SOURCES = $(Xwayland_built_sources)
CLEANFILES = $(Xwayland_built_sources)
@ -100,6 +101,11 @@ xdg-output-unstable-v1-protocol.c : $(WAYLAND_PROTOCOLS_DATADIR)/unstable/xdg-ou
xdg-output-unstable-v1-client-protocol.h : $(WAYLAND_PROTOCOLS_DATADIR)/unstable/xdg-output/xdg-output-unstable-v1.xml
$(AM_V_GEN)$(WAYLAND_SCANNER) client-header < $< > $@
linux-dmabuf-unstable-v1-protocol.c : $(WAYLAND_PROTOCOLS_DATADIR)/unstable/linux-dmabuf/linux-dmabuf-unstable-v1.xml
$(AM_V_GEN)$(WAYLAND_SCANNER) code < $< > $@
linux-dmabuf-unstable-v1-client-protocol.h : $(WAYLAND_PROTOCOLS_DATADIR)/unstable/linux-dmabuf/linux-dmabuf-unstable-v1.xml
$(AM_V_GEN)$(WAYLAND_SCANNER) client-header < $< > $@
%-protocol.c : %.xml
$(AM_V_GEN)$(WAYLAND_SCANNER) code < $< > $@

5
hw/xwayland/meson.build
View File

@ -12,7 +12,7 @@ srcs = [
scanner_dep = dependency('wayland-scanner', native: true)
scanner = find_program(scanner_dep.get_pkgconfig_variable('wayland_scanner'))
protocols_dep = dependency('wayland-protocols')
protocols_dep = dependency('wayland-protocols', version: '>= 1.8')
protodir = protocols_dep.get_pkgconfig_variable('pkgdatadir')
pointer_xml = join_paths(protodir, 'unstable', 'pointer-constraints', 'pointer-constraints-unstable-v1.xml')
@ -20,6 +20,7 @@ relative_xml = join_paths(protodir, 'unstable', 'relative-pointer', 'relative-po
tablet_xml = join_paths(protodir, 'unstable', 'tablet', 'tablet-unstable-v2.xml')
kbgrab_xml = join_paths(protodir, 'unstable', 'xwayland-keyboard-grab', 'xwayland-keyboard-grab-unstable-v1.xml')
xdg_output_xml = join_paths(protodir, 'unstable', 'xdg-output', 'xdg-output-unstable-v1.xml')
dmabuf_xml = join_paths(protodir, 'unstable', 'linux-dmabuf', 'linux-dmabuf-unstable-v1.xml')
client_header = generator(scanner,
output : '@BASENAME@-client-protocol.h',
@ -34,11 +35,13 @@ srcs += client_header.process(pointer_xml)
srcs += client_header.process(tablet_xml)
srcs += client_header.process(kbgrab_xml)
srcs += client_header.process(xdg_output_xml)
srcs += client_header.process(dmabuf_xml)
srcs += code.process(relative_xml)
srcs += code.process(pointer_xml)
srcs += code.process(tablet_xml)
srcs += code.process(kbgrab_xml)
srcs += code.process(xdg_output_xml)
srcs += code.process(dmabuf_xml)
xwayland_glamor = []
if gbm_dep.found()

217
hw/xwayland/xwayland-glamor.c
View File

@ -28,6 +28,7 @@
#include <fcntl.h>
#include <sys/stat.h>
#include <xf86drm.h>
#include <drm_fourcc.h>
#define MESA_EGL_NO_X11_HEADERS
#include <gbm.h>
@ -158,25 +159,65 @@ xwl_glamor_pixmap_get_wl_buffer(PixmapPtr pixmap)
struct xwl_screen *xwl_screen = xwl_screen_get(pixmap->drawable.pScreen);
struct xwl_pixmap *xwl_pixmap = xwl_pixmap_get(pixmap);
int prime_fd;
int num_planes;
uint32_t strides[4];
uint32_t offsets[4];
uint64_t modifier;
int i;
if (xwl_pixmap->buffer)
return xwl_pixmap->buffer;
if (!xwl_pixmap->bo)
return NULL;
prime_fd = gbm_bo_get_fd(xwl_pixmap->bo);
if (prime_fd == -1)
return NULL;
xwl_pixmap->buffer =
wl_drm_create_prime_buffer(xwl_screen->drm, prime_fd,
pixmap->drawable.width,
pixmap->drawable.height,
wl_drm_format_for_depth(pixmap->drawable.depth),
0, gbm_bo_get_stride(xwl_pixmap->bo),
0, 0,
0, 0);
#ifdef GBM_BO_WITH_MODIFIERS
num_planes = gbm_bo_get_plane_count(xwl_pixmap->bo);
modifier = gbm_bo_get_modifier(xwl_pixmap->bo);
for (i = 0; i < num_planes; i++) {
strides[i] = gbm_bo_get_stride_for_plane(xwl_pixmap->bo, i);
offsets[i] = gbm_bo_get_offset(xwl_pixmap->bo, i);
}
#else
num_planes = 1;
modifier = DRM_FORMAT_MOD_INVALID;
strides[0] = gbm_go_get_stride(xwl_pixmap->bo);
offsets[0] = 0;
#endif
if (xwl_screen->dmabuf && modifier != DRM_FORMAT_MOD_INVALID) {
struct zwp_linux_buffer_params_v1 *params;
params = zwp_linux_dmabuf_v1_create_params(xwl_screen->dmabuf);
for (i = 0; i < num_planes; i++) {
zwp_linux_buffer_params_v1_add(params, prime_fd, i,
offsets[i], strides[i],
modifier >> 32, modifier & 0xffffffff);
}
xwl_pixmap->buffer =
zwp_linux_buffer_params_v1_create_immed(params,
pixmap->drawable.width,
pixmap->drawable.height,
wl_drm_format_for_depth(pixmap->drawable.depth),
0);
zwp_linux_buffer_params_v1_destroy(params);
} else if (num_planes == 1) {
xwl_pixmap->buffer =
wl_drm_create_prime_buffer(xwl_screen->drm, prime_fd,
pixmap->drawable.width,
pixmap->drawable.height,
wl_drm_format_for_depth(pixmap->drawable.depth),
0, gbm_bo_get_stride(xwl_pixmap->bo),
0, 0,
0, 0);
}
close(prime_fd);
return xwl_pixmap->buffer;
}
@ -213,7 +254,8 @@ xwl_glamor_destroy_pixmap(PixmapPtr pixmap)
wl_buffer_destroy(xwl_pixmap->buffer);
eglDestroyImageKHR(xwl_screen->egl_display, xwl_pixmap->image);
gbm_bo_destroy(xwl_pixmap->bo);
if (xwl_pixmap->bo)
gbm_bo_destroy(xwl_pixmap->bo);
free(xwl_pixmap);
}
@ -282,8 +324,6 @@ xwl_drm_init_egl(struct xwl_screen *xwl_screen)
if (xwl_screen->egl_display)
return;
xwl_screen->expecting_event--;
xwl_screen->gbm = gbm_create_device(xwl_screen->drm_fd);
if (xwl_screen->gbm == NULL) {
ErrorF("couldn't get display device\n");
@ -327,6 +367,12 @@ xwl_drm_init_egl(struct xwl_screen *xwl_screen)
return;
}
if (epoxy_has_egl_extension(xwl_screen->egl_display,
"EXT_image_dma_buf_import") &&
epoxy_has_egl_extension(xwl_screen->egl_display,
"EXT_image_dma_buf_import_modifiers"))
xwl_screen->dmabuf_capable = TRUE;
return;
}
@ -347,12 +393,14 @@ xwl_drm_handle_device(void *data, struct wl_drm *drm, const char *device)
return;
}
xwl_screen->expecting_event--;
if (is_fd_render_node(xwl_screen->drm_fd)) {
xwl_screen->fd_render_node = 1;
xwl_drm_init_egl(xwl_screen);
} else {
drmGetMagic(xwl_screen->drm_fd, &magic);
wl_drm_authenticate(xwl_screen->drm, magic);
xwl_screen->expecting_event++; /* wait for 'authenticated' */
}
}
@ -379,8 +427,8 @@ xwl_drm_handle_authenticated(void *data, struct wl_drm *drm)
{
struct xwl_screen *xwl_screen = data;
if (!xwl_screen->egl_display)
xwl_drm_init_egl(xwl_screen);
xwl_screen->drm_authenticated = 1;
xwl_screen->expecting_event--;
}
static void
@ -399,8 +447,8 @@ static const struct wl_drm_listener xwl_drm_listener = {
};
Bool
xwl_screen_init_glamor(struct xwl_screen *xwl_screen,
uint32_t id, uint32_t version)
xwl_screen_set_drm_interface(struct xwl_screen *xwl_screen,
uint32_t id, uint32_t version)
{
if (version < 2)
return FALSE;
@ -413,11 +461,23 @@ xwl_screen_init_glamor(struct xwl_screen *xwl_screen,
return TRUE;
}
Bool
xwl_screen_set_dmabuf_interface(struct xwl_screen *xwl_screen,
uint32_t id, uint32_t version)
{
if (version < 3)
return FALSE;
xwl_screen->dmabuf =
wl_registry_bind(xwl_screen->registry, id, &zwp_linux_dmabuf_v1_interface, 3);
return TRUE;
}
int
glamor_egl_dri3_fd_name_from_tex(ScreenPtr screen,
PixmapPtr pixmap,
unsigned int tex,
Bool want_name, CARD16 *stride, CARD32 *size)
glamor_egl_fd_name_from_pixmap(ScreenPtr screen,
PixmapPtr pixmap,
CARD16 *stride, CARD32 *size)
{
return 0;
}
@ -518,58 +578,111 @@ xwl_dri3_open_client(ClientPtr client,
return Success;
}
static PixmapPtr
xwl_dri3_pixmap_from_fd(ScreenPtr screen, int fd,
CARD16 width, CARD16 height, CARD16 stride,
CARD8 depth, CARD8 bpp)
_X_EXPORT PixmapPtr
glamor_pixmap_from_fds(ScreenPtr screen,
CARD8 num_fds, int *fds,
CARD16 width, CARD16 height,
CARD32 *strides, CARD32 *offsets,
CARD8 depth, CARD8 bpp, uint64_t modifier)
{
struct xwl_screen *xwl_screen = xwl_screen_get(screen);
struct gbm_import_fd_data data;
struct gbm_bo *bo;
struct gbm_bo *bo = NULL;
PixmapPtr pixmap;
int i;
if (width == 0 || height == 0 ||
depth < 15 || bpp != BitsPerPixel(depth) || stride < width * bpp / 8)
return NULL;
if (width == 0 || height == 0 || num_fds == 0 ||
depth < 15 || bpp != BitsPerPixel(depth) ||
strides[0] < width * bpp / 8)
goto error;
if (xwl_screen->dmabuf_capable && modifier != DRM_FORMAT_MOD_INVALID) {
#ifdef GBM_BO_WITH_MODIFIERS
struct gbm_import_fd_modifier_data data;
data.width = width;
data.height = height;
data.num_fds = num_fds;
data.format = gbm_format_for_depth(depth);
data.modifier = modifier;
for (i = 0; i < num_fds; i++) {
data.fds[i] = fds[i];
data.strides[i] = strides[i];
data.offsets[i] = offsets[i];
}
bo = gbm_bo_import(xwl_screen->gbm, GBM_BO_IMPORT_FD_MODIFIER, &data, 0);
#endif
} else if (num_fds == 1) {
struct gbm_import_fd_data data;
data.fd = fds[0];
data.width = width;
data.height = height;
data.stride = strides[0];
data.format = gbm_format_for_depth(depth);
bo = gbm_bo_import(xwl_screen->gbm, GBM_BO_IMPORT_FD, &data,
GBM_BO_USE_SCANOUT | GBM_BO_USE_RENDERING);
} else {
goto error;
}
data.fd = fd;
data.width = width;
data.height = height;
data.stride = stride;
data.format = gbm_format_for_depth(depth);
bo = gbm_bo_import(xwl_screen->gbm, GBM_BO_IMPORT_FD, &data,
GBM_BO_USE_SCANOUT | GBM_BO_USE_RENDERING);
if (bo == NULL)
return NULL;
goto error;
pixmap = xwl_glamor_create_pixmap_for_bo(screen, bo, depth);
if (pixmap == NULL) {
gbm_bo_destroy(bo);
return NULL;
gbm_bo_destroy(bo);
goto error;
}
return pixmap;
error:
for (i = 0; i < num_fds; i++)
close(fds[i]);
return NULL;
}
static int
xwl_dri3_fd_from_pixmap(ScreenPtr screen, PixmapPtr pixmap,
CARD16 *stride, CARD32 *size)
_X_EXPORT int
glamor_egl_fds_from_pixmap(ScreenPtr screen, PixmapPtr pixmap, int *fds,
uint32_t *strides, uint32_t *offsets,
uint64_t *modifier)
{
struct xwl_pixmap *xwl_pixmap;
#ifdef GBM_BO_WITH_MODIFIERS
uint32_t num_fds;
int i;
#endif
xwl_pixmap = xwl_pixmap_get(pixmap);
*stride = gbm_bo_get_stride(xwl_pixmap->bo);
*size = pixmap->drawable.width * *stride;
if (!xwl_pixmap->bo)
return 0;
return gbm_bo_get_fd(xwl_pixmap->bo);
#ifdef GBM_BO_WITH_MODIFIERS
num_fds = gbm_bo_get_plane_count(xwl_pixmap->bo);
*modifier = gbm_bo_get_modifier(xwl_pixmap->bo);
for (i = 0; i < num_fds; i++) {
fds[i] = gbm_bo_get_fd(xwl_pixmap->bo);
strides[i] = gbm_bo_get_stride_for_plane(xwl_pixmap->bo, i);
offsets[i] = gbm_bo_get_offset(xwl_pixmap->bo, i);
}
return num_fds;
#else
*modifier = DRM_FORMAT_MOD_INVALID;
fds[0] = gbm_bo_get_fd(xwl_pixmap->bo);
strides[0] = gbm_bo_get_stride(xwl_pixmap->bo);
offsets[0] = 0;
return 1;
#endif
}
static dri3_screen_info_rec xwl_dri3_info = {
.version = 1,
.version = 2,
.open = NULL,
.pixmap_from_fd = xwl_dri3_pixmap_from_fd,
.fd_from_pixmap = xwl_dri3_fd_from_pixmap,
.pixmap_from_fds = glamor_pixmap_from_fds,
.fds_from_pixmap = glamor_fds_from_pixmap,
.open_client = xwl_dri3_open_client,
};
@ -585,6 +698,12 @@ xwl_glamor_init(struct xwl_screen *xwl_screen)
return FALSE;
}
if (!xwl_screen->fd_render_node && !xwl_screen->drm_authenticated) {
ErrorF("Failed to get wl_drm, disabling Glamor and DRI3\n");
return FALSE;
}
xwl_drm_init_egl(xwl_screen);
if (xwl_screen->egl_context == EGL_NO_CONTEXT) {
ErrorF("Disabling glamor and dri3, EGL setup failed\n");
return FALSE;

6
hw/xwayland/xwayland.c
View File

@ -728,7 +728,11 @@ registry_global(void *data, struct wl_registry *registry, uint32_t id,
#ifdef GLAMOR_HAS_GBM
else if (xwl_screen->glamor &&
strcmp(interface, "wl_drm") == 0 && version >= 2) {
xwl_screen_init_glamor(xwl_screen, id, version);
xwl_screen_set_drm_interface(xwl_screen, id, version);
}
else if (xwl_screen->glamor &&
strcmp(interface, "zwp_linux_dmabuf_v1") == 0 && version >= 3) {
xwl_screen_set_dmabuf_interface(xwl_screen, id, version);
}
#endif
}

10
hw/xwayland/xwayland.h
View File

@ -47,6 +47,7 @@
#include "tablet-unstable-v2-client-protocol.h"
#include "xwayland-keyboard-grab-unstable-v1-client-protocol.h"
#include "xdg-output-unstable-v1-client-protocol.h"
#include "linux-dmabuf-unstable-v1-client-protocol.h"
struct xwl_screen {
int width;
@ -96,12 +97,15 @@ struct xwl_screen {
char *device_name;
int drm_fd;
int fd_render_node;
int drm_authenticated;
struct wl_drm *drm;
struct zwp_linux_dmabuf_v1 *dmabuf;
uint32_t formats;
uint32_t capabilities;
void *egl_display, *egl_context;
struct gbm_device *gbm;
struct glamor_context *glamor_ctx;
int dmabuf_capable;
Atom allow_commits_prop;
};
@ -326,8 +330,10 @@ struct wl_buffer *xwl_shm_pixmap_get_wl_buffer(PixmapPtr pixmap);
Bool xwl_glamor_init(struct xwl_screen *xwl_screen);
Bool xwl_screen_init_glamor(struct xwl_screen *xwl_screen,
uint32_t id, uint32_t version);
Bool xwl_screen_set_drm_interface(struct xwl_screen *xwl_screen,
uint32_t id, uint32_t version);
Bool xwl_screen_set_dmabuf_interface(struct xwl_screen *xwl_screen,
uint32_t id, uint32_t version);
struct wl_buffer *xwl_glamor_pixmap_get_wl_buffer(PixmapPtr pixmap);
void xwl_screen_release_tablet_manager(struct xwl_screen *xwl_screen);

3
include/dix-config.h.in
View File

@ -488,6 +488,9 @@
/* Build glamor/gbm has linear support */
#undef GLAMOR_HAS_GBM_LINEAR
/* GBM has modifiers support */
#undef GBM_BO_WITH_MODIFIERS
/* Build glamor use new drmGetDeviceNameFromFD2 */
#undef GLAMOR_HAS_DRM_NAME_FROM_FD_2

2
include/meson.build
View File

@ -84,6 +84,8 @@ conf_data.set('GLAMOR', build_glamor)
conf_data.set('GLAMOR_HAS_GBM', gbm_dep.found())
conf_data.set('GLAMOR_HAS_GBM_LINEAR',
gbm_dep.found() and gbm_dep.version().version_compare('>= 10.6'))
conf_data.set('GBM_BO_WITH_MODIFIERS',
gbm_dep.found() and gbm_dep.version().version_compare('>= 17.1'))
conf_data.set_quoted('SERVER_MISC_CONFIG_PATH', serverconfigdir)
conf_data.set_quoted('PROJECTROOT', get_option('prefix'))