[wayland] Add support for zwp_linux_dmabuf

Summary: This adds support for LinuxDmabufUnstableV1Interface in kwin.

Test Plan: Session starts. `weston-simple-dmabuf-egl` and `weston-simple-dmabuf-drm` execute without errors.

Reviewers: #kwin, #plasma, davidedmundson, mart, graesslin, fredrik

Subscribers: meven, zzag, romangg, anthonyfieroni, plasma-devel, kwin

Tags: #kwin

Maniphest Tasks: T8067

Differential Revision: https://phabricator.kde.org/D10750
This commit is contained in:
Roman Gilg 2019-07-01 01:13:26 +02:00
parent c5c2ce7535
commit 6613327a9c
6 changed files with 1085 additions and 4 deletions

View file

@ -1,6 +1,7 @@
set(SCENE_OPENGL_BACKEND_SRCS set(SCENE_OPENGL_BACKEND_SRCS
abstract_egl_backend.cpp abstract_egl_backend.cpp
backend.cpp backend.cpp
linux_dmabuf.cpp
swap_profiler.cpp swap_profiler.cpp
texture.cpp texture.cpp
) )

View file

@ -18,6 +18,7 @@ You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. along with this program. If not, see <http://www.gnu.org/licenses/>.
*********************************************************************/ *********************************************************************/
#include "abstract_egl_backend.h" #include "abstract_egl_backend.h"
#include "linux_dmabuf.h"
#include "texture.h" #include "texture.h"
#include "composite.h" #include "composite.h"
#include "egl_context_attribute_builder.h" #include "egl_context_attribute_builder.h"
@ -169,6 +170,8 @@ void AbstractEglBackend::initWayland()
} }
} }
} }
LinuxDmabuf::factory(this);
} }
void AbstractEglBackend::initClientExtensions() void AbstractEglBackend::initClientExtensions()
@ -352,11 +355,12 @@ bool AbstractEglTexture::loadTexture(WindowPixmap *pixmap)
if (auto s = pixmap->surface()) { if (auto s = pixmap->surface()) {
s->resetTrackedDamage(); s->resetTrackedDamage();
} }
if (buffer->shmBuffer()) { if (buffer->linuxDmabufBuffer()) {
return loadDmabufTexture(buffer);
} else if (buffer->shmBuffer()) {
return loadShmTexture(buffer); return loadShmTexture(buffer);
} else {
return loadEglTexture(buffer);
} }
return loadEglTexture(buffer);
} }
void AbstractEglTexture::updateTexture(WindowPixmap *pixmap) void AbstractEglTexture::updateTexture(WindowPixmap *pixmap)
@ -373,12 +377,34 @@ void AbstractEglTexture::updateTexture(WindowPixmap *pixmap)
return; return;
} }
auto s = pixmap->surface(); auto s = pixmap->surface();
if (DmabufBuffer *dmabuf = static_cast<DmabufBuffer *>(buffer->linuxDmabufBuffer())) {
q->bind();
glEGLImageTargetTexture2DOES(GL_TEXTURE_2D, (GLeglImageOES) dmabuf->images()[0]); //TODO
q->unbind();
if (m_image != EGL_NO_IMAGE_KHR) {
eglDestroyImageKHR(m_backend->eglDisplay(), m_image);
}
m_image = EGL_NO_IMAGE_KHR; // The wl_buffer has ownership of the image
// The origin in a dmabuf-buffer is at the upper-left corner, so the meaning
// of Y-inverted is the inverse of OpenGL.
const bool yInverted = !(dmabuf->flags() & KWayland::Server::LinuxDmabufUnstableV1Interface::YInverted);
if (m_size != dmabuf->size() || yInverted != q->isYInverted()) {
m_size = dmabuf->size();
q->setYInverted(yInverted);
}
if (s) {
s->resetTrackedDamage();
}
return;
}
if (!buffer->shmBuffer()) { if (!buffer->shmBuffer()) {
q->bind(); q->bind();
EGLImageKHR image = attach(buffer); EGLImageKHR image = attach(buffer);
q->unbind(); q->unbind();
if (image != EGL_NO_IMAGE_KHR) { if (image != EGL_NO_IMAGE_KHR) {
if (m_image != EGL_NO_IMAGE_KHR) {
eglDestroyImageKHR(m_backend->eglDisplay(), m_image); eglDestroyImageKHR(m_backend->eglDisplay(), m_image);
}
m_image = image; m_image = image;
} }
if (s) { if (s) {
@ -504,6 +530,30 @@ bool AbstractEglTexture::loadEglTexture(const QPointer< KWayland::Server::Buffer
return true; return true;
} }
bool AbstractEglTexture::loadDmabufTexture(const QPointer< KWayland::Server::BufferInterface > &buffer)
{
DmabufBuffer *dmabuf = static_cast<DmabufBuffer *>(buffer->linuxDmabufBuffer());
if (!dmabuf || dmabuf->images()[0] == EGL_NO_IMAGE_KHR) {
qCritical(KWIN_OPENGL) << "Invalid dmabuf-based wl_buffer";
q->discard();
return false;
}
assert(m_image == EGL_NO_IMAGE_KHR);
glGenTextures(1, &m_texture);
q->setWrapMode(GL_CLAMP_TO_EDGE);
q->setFilter(GL_NEAREST);
q->bind();
glEGLImageTargetTexture2DOES(GL_TEXTURE_2D, (GLeglImageOES) dmabuf->images()[0]);
q->unbind();
m_size = dmabuf->size();
q->setYInverted(!(dmabuf->flags() & KWayland::Server::LinuxDmabufUnstableV1Interface::YInverted));
return true;
}
EGLImageKHR AbstractEglTexture::attach(const QPointer< KWayland::Server::BufferInterface > &buffer) EGLImageKHR AbstractEglTexture::attach(const QPointer< KWayland::Server::BufferInterface > &buffer)
{ {
EGLint format, yInverted; EGLint format, yInverted;

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@ -110,6 +110,7 @@ protected:
private: private:
bool loadShmTexture(const QPointer<KWayland::Server::BufferInterface> &buffer); bool loadShmTexture(const QPointer<KWayland::Server::BufferInterface> &buffer);
bool loadEglTexture(const QPointer<KWayland::Server::BufferInterface> &buffer); bool loadEglTexture(const QPointer<KWayland::Server::BufferInterface> &buffer);
bool loadDmabufTexture(const QPointer< KWayland::Server::BufferInterface > &buffer);
EGLImageKHR attach(const QPointer<KWayland::Server::BufferInterface> &buffer); EGLImageKHR attach(const QPointer<KWayland::Server::BufferInterface> &buffer);
bool updateFromFBO(const QSharedPointer<QOpenGLFramebufferObject> &fbo); bool updateFromFBO(const QSharedPointer<QOpenGLFramebufferObject> &fbo);
SceneOpenGLTexture *q; SceneOpenGLTexture *q;

View file

@ -0,0 +1,414 @@
/*
* Copyright 2011 Intel Corporation
*
* 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
* VA LINUX SYSTEMS AND/OR ITS SUPPLIERS 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.
*/
#ifndef DRM_FOURCC_H
#define DRM_FOURCC_H
//#include "drm.h"
// These typedefs are copied from drm.h
typedef uint32_t __u32;
typedef uint64_t __u64;
#if defined(__cplusplus)
extern "C" {
#endif
#define fourcc_code(a, b, c, d) ((__u32)(a) | ((__u32)(b) << 8) | \
((__u32)(c) << 16) | ((__u32)(d) << 24))
#define DRM_FORMAT_BIG_ENDIAN (1<<31) /* format is big endian instead of little endian */
/* color index */
#define DRM_FORMAT_C8 fourcc_code('C', '8', ' ', ' ') /* [7:0] C */
/* 8 bpp Red */
#define DRM_FORMAT_R8 fourcc_code('R', '8', ' ', ' ') /* [7:0] R */
/* 16 bpp Red */
#define DRM_FORMAT_R16 fourcc_code('R', '1', '6', ' ') /* [15:0] R little endian */
/* 16 bpp RG */
#define DRM_FORMAT_RG88 fourcc_code('R', 'G', '8', '8') /* [15:0] R:G 8:8 little endian */
#define DRM_FORMAT_GR88 fourcc_code('G', 'R', '8', '8') /* [15:0] G:R 8:8 little endian */
/* 32 bpp RG */
#define DRM_FORMAT_RG1616 fourcc_code('R', 'G', '3', '2') /* [31:0] R:G 16:16 little endian */
#define DRM_FORMAT_GR1616 fourcc_code('G', 'R', '3', '2') /* [31:0] G:R 16:16 little endian */
/* 8 bpp RGB */
#define DRM_FORMAT_RGB332 fourcc_code('R', 'G', 'B', '8') /* [7:0] R:G:B 3:3:2 */
#define DRM_FORMAT_BGR233 fourcc_code('B', 'G', 'R', '8') /* [7:0] B:G:R 2:3:3 */
/* 16 bpp RGB */
#define DRM_FORMAT_XRGB4444 fourcc_code('X', 'R', '1', '2') /* [15:0] x:R:G:B 4:4:4:4 little endian */
#define DRM_FORMAT_XBGR4444 fourcc_code('X', 'B', '1', '2') /* [15:0] x:B:G:R 4:4:4:4 little endian */
#define DRM_FORMAT_RGBX4444 fourcc_code('R', 'X', '1', '2') /* [15:0] R:G:B:x 4:4:4:4 little endian */
#define DRM_FORMAT_BGRX4444 fourcc_code('B', 'X', '1', '2') /* [15:0] B:G:R:x 4:4:4:4 little endian */
#define DRM_FORMAT_ARGB4444 fourcc_code('A', 'R', '1', '2') /* [15:0] A:R:G:B 4:4:4:4 little endian */
#define DRM_FORMAT_ABGR4444 fourcc_code('A', 'B', '1', '2') /* [15:0] A:B:G:R 4:4:4:4 little endian */
#define DRM_FORMAT_RGBA4444 fourcc_code('R', 'A', '1', '2') /* [15:0] R:G:B:A 4:4:4:4 little endian */
#define DRM_FORMAT_BGRA4444 fourcc_code('B', 'A', '1', '2') /* [15:0] B:G:R:A 4:4:4:4 little endian */
#define DRM_FORMAT_XRGB1555 fourcc_code('X', 'R', '1', '5') /* [15:0] x:R:G:B 1:5:5:5 little endian */
#define DRM_FORMAT_XBGR1555 fourcc_code('X', 'B', '1', '5') /* [15:0] x:B:G:R 1:5:5:5 little endian */
#define DRM_FORMAT_RGBX5551 fourcc_code('R', 'X', '1', '5') /* [15:0] R:G:B:x 5:5:5:1 little endian */
#define DRM_FORMAT_BGRX5551 fourcc_code('B', 'X', '1', '5') /* [15:0] B:G:R:x 5:5:5:1 little endian */
#define DRM_FORMAT_ARGB1555 fourcc_code('A', 'R', '1', '5') /* [15:0] A:R:G:B 1:5:5:5 little endian */
#define DRM_FORMAT_ABGR1555 fourcc_code('A', 'B', '1', '5') /* [15:0] A:B:G:R 1:5:5:5 little endian */
#define DRM_FORMAT_RGBA5551 fourcc_code('R', 'A', '1', '5') /* [15:0] R:G:B:A 5:5:5:1 little endian */
#define DRM_FORMAT_BGRA5551 fourcc_code('B', 'A', '1', '5') /* [15:0] B:G:R:A 5:5:5:1 little endian */
#define DRM_FORMAT_RGB565 fourcc_code('R', 'G', '1', '6') /* [15:0] R:G:B 5:6:5 little endian */
#define DRM_FORMAT_BGR565 fourcc_code('B', 'G', '1', '6') /* [15:0] B:G:R 5:6:5 little endian */
/* 24 bpp RGB */
#define DRM_FORMAT_RGB888 fourcc_code('R', 'G', '2', '4') /* [23:0] R:G:B little endian */
#define DRM_FORMAT_BGR888 fourcc_code('B', 'G', '2', '4') /* [23:0] B:G:R little endian */
/* 32 bpp RGB */
#define DRM_FORMAT_XRGB8888 fourcc_code('X', 'R', '2', '4') /* [31:0] x:R:G:B 8:8:8:8 little endian */
#define DRM_FORMAT_XBGR8888 fourcc_code('X', 'B', '2', '4') /* [31:0] x:B:G:R 8:8:8:8 little endian */
#define DRM_FORMAT_RGBX8888 fourcc_code('R', 'X', '2', '4') /* [31:0] R:G:B:x 8:8:8:8 little endian */
#define DRM_FORMAT_BGRX8888 fourcc_code('B', 'X', '2', '4') /* [31:0] B:G:R:x 8:8:8:8 little endian */
#define DRM_FORMAT_ARGB8888 fourcc_code('A', 'R', '2', '4') /* [31:0] A:R:G:B 8:8:8:8 little endian */
#define DRM_FORMAT_ABGR8888 fourcc_code('A', 'B', '2', '4') /* [31:0] A:B:G:R 8:8:8:8 little endian */
#define DRM_FORMAT_RGBA8888 fourcc_code('R', 'A', '2', '4') /* [31:0] R:G:B:A 8:8:8:8 little endian */
#define DRM_FORMAT_BGRA8888 fourcc_code('B', 'A', '2', '4') /* [31:0] B:G:R:A 8:8:8:8 little endian */
#define DRM_FORMAT_XRGB2101010 fourcc_code('X', 'R', '3', '0') /* [31:0] x:R:G:B 2:10:10:10 little endian */
#define DRM_FORMAT_XBGR2101010 fourcc_code('X', 'B', '3', '0') /* [31:0] x:B:G:R 2:10:10:10 little endian */
#define DRM_FORMAT_RGBX1010102 fourcc_code('R', 'X', '3', '0') /* [31:0] R:G:B:x 10:10:10:2 little endian */
#define DRM_FORMAT_BGRX1010102 fourcc_code('B', 'X', '3', '0') /* [31:0] B:G:R:x 10:10:10:2 little endian */
#define DRM_FORMAT_ARGB2101010 fourcc_code('A', 'R', '3', '0') /* [31:0] A:R:G:B 2:10:10:10 little endian */
#define DRM_FORMAT_ABGR2101010 fourcc_code('A', 'B', '3', '0') /* [31:0] A:B:G:R 2:10:10:10 little endian */
#define DRM_FORMAT_RGBA1010102 fourcc_code('R', 'A', '3', '0') /* [31:0] R:G:B:A 10:10:10:2 little endian */
#define DRM_FORMAT_BGRA1010102 fourcc_code('B', 'A', '3', '0') /* [31:0] B:G:R:A 10:10:10:2 little endian */
/* packed YCbCr */
#define DRM_FORMAT_YUYV fourcc_code('Y', 'U', 'Y', 'V') /* [31:0] Cr0:Y1:Cb0:Y0 8:8:8:8 little endian */
#define DRM_FORMAT_YVYU fourcc_code('Y', 'V', 'Y', 'U') /* [31:0] Cb0:Y1:Cr0:Y0 8:8:8:8 little endian */
#define DRM_FORMAT_UYVY fourcc_code('U', 'Y', 'V', 'Y') /* [31:0] Y1:Cr0:Y0:Cb0 8:8:8:8 little endian */
#define DRM_FORMAT_VYUY fourcc_code('V', 'Y', 'U', 'Y') /* [31:0] Y1:Cb0:Y0:Cr0 8:8:8:8 little endian */
#define DRM_FORMAT_AYUV fourcc_code('A', 'Y', 'U', 'V') /* [31:0] A:Y:Cb:Cr 8:8:8:8 little endian */
/*
* 2 plane RGB + A
* index 0 = RGB plane, same format as the corresponding non _A8 format has
* index 1 = A plane, [7:0] A
*/
#define DRM_FORMAT_XRGB8888_A8 fourcc_code('X', 'R', 'A', '8')
#define DRM_FORMAT_XBGR8888_A8 fourcc_code('X', 'B', 'A', '8')
#define DRM_FORMAT_RGBX8888_A8 fourcc_code('R', 'X', 'A', '8')
#define DRM_FORMAT_BGRX8888_A8 fourcc_code('B', 'X', 'A', '8')
#define DRM_FORMAT_RGB888_A8 fourcc_code('R', '8', 'A', '8')
#define DRM_FORMAT_BGR888_A8 fourcc_code('B', '8', 'A', '8')
#define DRM_FORMAT_RGB565_A8 fourcc_code('R', '5', 'A', '8')
#define DRM_FORMAT_BGR565_A8 fourcc_code('B', '5', 'A', '8')
/*
* 2 plane YCbCr
* index 0 = Y plane, [7:0] Y
* index 1 = Cr:Cb plane, [15:0] Cr:Cb little endian
* or
* index 1 = Cb:Cr plane, [15:0] Cb:Cr little endian
*/
#define DRM_FORMAT_NV12 fourcc_code('N', 'V', '1', '2') /* 2x2 subsampled Cr:Cb plane */
#define DRM_FORMAT_NV21 fourcc_code('N', 'V', '2', '1') /* 2x2 subsampled Cb:Cr plane */
#define DRM_FORMAT_NV16 fourcc_code('N', 'V', '1', '6') /* 2x1 subsampled Cr:Cb plane */
#define DRM_FORMAT_NV61 fourcc_code('N', 'V', '6', '1') /* 2x1 subsampled Cb:Cr plane */
#define DRM_FORMAT_NV24 fourcc_code('N', 'V', '2', '4') /* non-subsampled Cr:Cb plane */
#define DRM_FORMAT_NV42 fourcc_code('N', 'V', '4', '2') /* non-subsampled Cb:Cr plane */
/*
* 3 plane YCbCr
* index 0: Y plane, [7:0] Y
* index 1: Cb plane, [7:0] Cb
* index 2: Cr plane, [7:0] Cr
* or
* index 1: Cr plane, [7:0] Cr
* index 2: Cb plane, [7:0] Cb
*/
#define DRM_FORMAT_YUV410 fourcc_code('Y', 'U', 'V', '9') /* 4x4 subsampled Cb (1) and Cr (2) planes */
#define DRM_FORMAT_YVU410 fourcc_code('Y', 'V', 'U', '9') /* 4x4 subsampled Cr (1) and Cb (2) planes */
#define DRM_FORMAT_YUV411 fourcc_code('Y', 'U', '1', '1') /* 4x1 subsampled Cb (1) and Cr (2) planes */
#define DRM_FORMAT_YVU411 fourcc_code('Y', 'V', '1', '1') /* 4x1 subsampled Cr (1) and Cb (2) planes */
#define DRM_FORMAT_YUV420 fourcc_code('Y', 'U', '1', '2') /* 2x2 subsampled Cb (1) and Cr (2) planes */
#define DRM_FORMAT_YVU420 fourcc_code('Y', 'V', '1', '2') /* 2x2 subsampled Cr (1) and Cb (2) planes */
#define DRM_FORMAT_YUV422 fourcc_code('Y', 'U', '1', '6') /* 2x1 subsampled Cb (1) and Cr (2) planes */
#define DRM_FORMAT_YVU422 fourcc_code('Y', 'V', '1', '6') /* 2x1 subsampled Cr (1) and Cb (2) planes */
#define DRM_FORMAT_YUV444 fourcc_code('Y', 'U', '2', '4') /* non-subsampled Cb (1) and Cr (2) planes */
#define DRM_FORMAT_YVU444 fourcc_code('Y', 'V', '2', '4') /* non-subsampled Cr (1) and Cb (2) planes */
/*
* Format Modifiers:
*
* Format modifiers describe, typically, a re-ordering or modification
* of the data in a plane of an FB. This can be used to express tiled/
* swizzled formats, or compression, or a combination of the two.
*
* The upper 8 bits of the format modifier are a vendor-id as assigned
* below. The lower 56 bits are assigned as vendor sees fit.
*/
/* Vendor Ids: */
#define DRM_FORMAT_MOD_NONE 0
#define DRM_FORMAT_MOD_VENDOR_NONE 0
#define DRM_FORMAT_MOD_VENDOR_INTEL 0x01
#define DRM_FORMAT_MOD_VENDOR_AMD 0x02
#define DRM_FORMAT_MOD_VENDOR_NV 0x03
#define DRM_FORMAT_MOD_VENDOR_SAMSUNG 0x04
#define DRM_FORMAT_MOD_VENDOR_QCOM 0x05
#define DRM_FORMAT_MOD_VENDOR_VIVANTE 0x06
#define DRM_FORMAT_MOD_VENDOR_BROADCOM 0x07
/* add more to the end as needed */
#define DRM_FORMAT_RESERVED ((1ULL << 56) - 1)
#define fourcc_mod_code(vendor, val) \
((((__u64)DRM_FORMAT_MOD_VENDOR_## vendor) << 56) | (val & 0x00ffffffffffffffULL))
/*
* Format Modifier tokens:
*
* When adding a new token please document the layout with a code comment,
* similar to the fourcc codes above. drm_fourcc.h is considered the
* authoritative source for all of these.
*/
/*
* Invalid Modifier
*
* This modifier can be used as a sentinel to terminate the format modifiers
* list, or to initialize a variable with an invalid modifier. It might also be
* used to report an error back to userspace for certain APIs.
*/
#define DRM_FORMAT_MOD_INVALID fourcc_mod_code(NONE, DRM_FORMAT_RESERVED)
/*
* Linear Layout
*
* Just plain linear layout. Note that this is different from no specifying any
* modifier (e.g. not setting DRM_MODE_FB_MODIFIERS in the DRM_ADDFB2 ioctl),
* which tells the driver to also take driver-internal information into account
* and so might actually result in a tiled framebuffer.
*/
#define DRM_FORMAT_MOD_LINEAR fourcc_mod_code(NONE, 0)
/* Intel framebuffer modifiers */
/*
* Intel X-tiling layout
*
* This is a tiled layout using 4Kb tiles (except on gen2 where the tiles 2Kb)
* in row-major layout. Within the tile bytes are laid out row-major, with
* a platform-dependent stride. On top of that the memory can apply
* platform-depending swizzling of some higher address bits into bit6.
*
* This format is highly platforms specific and not useful for cross-driver
* sharing. It exists since on a given platform it does uniquely identify the
* layout in a simple way for i915-specific userspace.
*/
#define I915_FORMAT_MOD_X_TILED fourcc_mod_code(INTEL, 1)
/*
* Intel Y-tiling layout
*
* This is a tiled layout using 4Kb tiles (except on gen2 where the tiles 2Kb)
* in row-major layout. Within the tile bytes are laid out in OWORD (16 bytes)
* chunks column-major, with a platform-dependent height. On top of that the
* memory can apply platform-depending swizzling of some higher address bits
* into bit6.
*
* This format is highly platforms specific and not useful for cross-driver
* sharing. It exists since on a given platform it does uniquely identify the
* layout in a simple way for i915-specific userspace.
*/
#define I915_FORMAT_MOD_Y_TILED fourcc_mod_code(INTEL, 2)
/*
* Intel Yf-tiling layout
*
* This is a tiled layout using 4Kb tiles in row-major layout.
* Within the tile pixels are laid out in 16 256 byte units / sub-tiles which
* are arranged in four groups (two wide, two high) with column-major layout.
* Each group therefore consits out of four 256 byte units, which are also laid
* out as 2x2 column-major.
* 256 byte units are made out of four 64 byte blocks of pixels, producing
* either a square block or a 2:1 unit.
* 64 byte blocks of pixels contain four pixel rows of 16 bytes, where the width
* in pixel depends on the pixel depth.
*/
#define I915_FORMAT_MOD_Yf_TILED fourcc_mod_code(INTEL, 3)
/*
* Intel color control surface (CCS) for render compression
*
* The framebuffer format must be one of the 8:8:8:8 RGB formats.
* The main surface will be plane index 0 and must be Y/Yf-tiled,
* the CCS will be plane index 1.
*
* Each CCS tile matches a 1024x512 pixel area of the main surface.
* To match certain aspects of the 3D hardware the CCS is
* considered to be made up of normal 128Bx32 Y tiles, Thus
* the CCS pitch must be specified in multiples of 128 bytes.
*
* In reality the CCS tile appears to be a 64Bx64 Y tile, composed
* of QWORD (8 bytes) chunks instead of OWORD (16 bytes) chunks.
* But that fact is not relevant unless the memory is accessed
* directly.
*/
#define I915_FORMAT_MOD_Y_TILED_CCS fourcc_mod_code(INTEL, 4)
#define I915_FORMAT_MOD_Yf_TILED_CCS fourcc_mod_code(INTEL, 5)
/*
* Tiled, NV12MT, grouped in 64 (pixels) x 32 (lines) -sized macroblocks
*
* Macroblocks are laid in a Z-shape, and each pixel data is following the
* standard NV12 style.
* As for NV12, an image is the result of two frame buffers: one for Y,
* one for the interleaved Cb/Cr components (1/2 the height of the Y buffer).
* Alignment requirements are (for each buffer):
* - multiple of 128 pixels for the width
* - multiple of 32 pixels for the height
*
* For more information: see https://linuxtv.org/downloads/v4l-dvb-apis/re32.html
*/
#define DRM_FORMAT_MOD_SAMSUNG_64_32_TILE fourcc_mod_code(SAMSUNG, 1)
/* Vivante framebuffer modifiers */
/*
* Vivante 4x4 tiling layout
*
* This is a simple tiled layout using tiles of 4x4 pixels in a row-major
* layout.
*/
#define DRM_FORMAT_MOD_VIVANTE_TILED fourcc_mod_code(VIVANTE, 1)
/*
* Vivante 64x64 super-tiling layout
*
* This is a tiled layout using 64x64 pixel super-tiles, where each super-tile
* contains 8x4 groups of 2x4 tiles of 4x4 pixels (like above) each, all in row-
* major layout.
*
* For more information: see
* https://github.com/etnaviv/etna_viv/blob/master/doc/hardware.md#texture-tiling
*/
#define DRM_FORMAT_MOD_VIVANTE_SUPER_TILED fourcc_mod_code(VIVANTE, 2)
/*
* Vivante 4x4 tiling layout for dual-pipe
*
* Same as the 4x4 tiling layout, except every second 4x4 pixel tile starts at a
* different base address. Offsets from the base addresses are therefore halved
* compared to the non-split tiled layout.
*/
#define DRM_FORMAT_MOD_VIVANTE_SPLIT_TILED fourcc_mod_code(VIVANTE, 3)
/*
* Vivante 64x64 super-tiling layout for dual-pipe
*
* Same as the 64x64 super-tiling layout, except every second 4x4 pixel tile
* starts at a different base address. Offsets from the base addresses are
* therefore halved compared to the non-split super-tiled layout.
*/
#define DRM_FORMAT_MOD_VIVANTE_SPLIT_SUPER_TILED fourcc_mod_code(VIVANTE, 4)
/* NVIDIA Tegra frame buffer modifiers */
/*
* Some modifiers take parameters, for example the number of vertical GOBs in
* a block. Reserve the lower 32 bits for parameters
*/
#define __fourcc_mod_tegra_mode_shift 32
#define fourcc_mod_tegra_code(val, params) \
fourcc_mod_code(NV, ((((__u64)val) << __fourcc_mod_tegra_mode_shift) | params))
#define fourcc_mod_tegra_mod(m) \
(m & ~((1ULL << __fourcc_mod_tegra_mode_shift) - 1))
#define fourcc_mod_tegra_param(m) \
(m & ((1ULL << __fourcc_mod_tegra_mode_shift) - 1))
/*
* Tegra Tiled Layout, used by Tegra 2, 3 and 4.
*
* Pixels are arranged in simple tiles of 16 x 16 bytes.
*/
#define NV_FORMAT_MOD_TEGRA_TILED fourcc_mod_tegra_code(1, 0)
/*
* Tegra 16Bx2 Block Linear layout, used by TK1/TX1
*
* Pixels are arranged in 64x8 Groups Of Bytes (GOBs). GOBs are then stacked
* vertically by a power of 2 (1 to 32 GOBs) to form a block.
*
* Within a GOB, data is ordered as 16B x 2 lines sectors laid in Z-shape.
*
* Parameter 'v' is the log2 encoding of the number of GOBs stacked vertically.
* Valid values are:
*
* 0 == ONE_GOB
* 1 == TWO_GOBS
* 2 == FOUR_GOBS
* 3 == EIGHT_GOBS
* 4 == SIXTEEN_GOBS
* 5 == THIRTYTWO_GOBS
*
* Chapter 20 "Pixel Memory Formats" of the Tegra X1 TRM describes this format
* in full detail.
*/
#define NV_FORMAT_MOD_TEGRA_16BX2_BLOCK(v) fourcc_mod_tegra_code(2, v)
/*
* Broadcom VC4 "T" format
*
* This is the primary layout that the V3D GPU can texture from (it
* can't do linear). The T format has:
*
* - 64b utiles of pixels in a raster-order grid according to cpp. It's 4x4
* pixels at 32 bit depth.
*
* - 1k subtiles made of a 4x4 raster-order grid of 64b utiles (so usually
* 16x16 pixels).
*
* - 4k tiles made of a 2x2 grid of 1k subtiles (so usually 32x32 pixels). On
* even 4k tile rows, they're arranged as (BL, TL, TR, BR), and on odd rows
* they're (TR, BR, BL, TL), where bottom left is start of memory.
*
* - an image made of 4k tiles in rows either left-to-right (even rows of 4k
* tiles) or right-to-left (odd rows of 4k tiles).
*/
#define DRM_FORMAT_MOD_BROADCOM_VC4_T_TILED fourcc_mod_code(BROADCOM, 1)
#if defined(__cplusplus)
}
#endif
#endif /* DRM_FOURCC_H */

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@ -0,0 +1,504 @@
/********************************************************************
KWin - the KDE window manager
This file is part of the KDE project.
Copyright © 2019 Roman Gilg <subdiff@gmail.com>
Copyright © 2018 Fredrik Höglund <fredrik@kde.org>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*********************************************************************/
#include "linux_dmabuf.h"
#include "drm_fourcc.h"
#include "../../../wayland_server.h"
#include <KWayland/Server/display.h>
#include <unistd.h>
#include <EGL/eglmesaext.h>
namespace KWin
{
typedef EGLBoolean (*eglQueryDmaBufFormatsEXT_func) (EGLDisplay dpy, EGLint max_formats, EGLint *formats, EGLint *num_formats);
typedef EGLBoolean (*eglQueryDmaBufModifiersEXT_func) (EGLDisplay dpy, EGLint format, EGLint max_modifiers, EGLuint64KHR *modifiers, EGLBoolean *external_only, EGLint *num_modifiers);
eglQueryDmaBufFormatsEXT_func eglQueryDmaBufFormatsEXT = nullptr;
eglQueryDmaBufModifiersEXT_func eglQueryDmaBufModifiersEXT = nullptr;
#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
#define EGL_YUV_COLOR_SPACE_HINT_EXT 0x327B
#define EGL_SAMPLE_RANGE_HINT_EXT 0x327C
#define EGL_YUV_CHROMA_HORIZONTAL_SITING_HINT_EXT 0x327D
#define EGL_YUV_CHROMA_VERTICAL_SITING_HINT_EXT 0x327E
#define EGL_ITU_REC601_EXT 0x327F
#define EGL_ITU_REC709_EXT 0x3280
#define EGL_ITU_REC2020_EXT 0x3281
#define EGL_YUV_FULL_RANGE_EXT 0x3282
#define EGL_YUV_NARROW_RANGE_EXT 0x3283
#define EGL_YUV_CHROMA_SITING_0_EXT 0x3284
#define EGL_YUV_CHROMA_SITING_0_5_EXT 0x3285
#endif // EGL_EXT_image_dma_buf_import
#ifndef EGL_EXT_image_dma_buf_import_modifiers
#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
#endif // EGL_EXT_image_dma_buf_import_modifiers
struct YuvPlane
{
int widthDivisor;
int heightDivisor;
uint32_t format;
int planeIndex;
};
struct YuvFormat
{
uint32_t format;
int inputPlanes;
int outputPlanes;
int textureType;
struct YuvPlane planes[3];
};
YuvFormat yuvFormats[] = {
{
DRM_FORMAT_YUYV,
1, 2,
EGL_TEXTURE_Y_XUXV_WL,
{
{
1, 1,
DRM_FORMAT_GR88,
0
},
{
2, 1,
DRM_FORMAT_ARGB8888,
0
}
}
},
{
DRM_FORMAT_NV12,
2, 2,
EGL_TEXTURE_Y_UV_WL,
{
{
1, 1,
DRM_FORMAT_R8,
0
},
{
2, 2,
DRM_FORMAT_GR88,
1
}
}
},
{
DRM_FORMAT_YUV420,
3, 3,
EGL_TEXTURE_Y_U_V_WL,
{
{
1, 1,
DRM_FORMAT_R8,
0
},
{
2, 2,
DRM_FORMAT_R8,
1
},
{
2, 2,
DRM_FORMAT_R8,
2
}
}
},
{
DRM_FORMAT_YUV444,
3, 3,
EGL_TEXTURE_Y_U_V_WL,
{
{
1, 1,
DRM_FORMAT_R8,
0
},
{
1, 1,
DRM_FORMAT_R8,
1
},
{
1, 1,
DRM_FORMAT_R8,
2
}
}
}
};
DmabufBuffer::DmabufBuffer(EGLImage image,
const QVector<Plane> &planes,
uint32_t format,
const QSize &size,
Flags flags,
LinuxDmabuf *interfaceImpl)
: DmabufBuffer(planes, format, size, flags, interfaceImpl)
{
m_importType = ImportType::Direct;
addImage(image);
}
DmabufBuffer::DmabufBuffer(const QVector<Plane> &planes,
uint32_t format,
const QSize &size,
Flags flags,
LinuxDmabuf *interfaceImpl)
: KWayland::Server::LinuxDmabufUnstableV1Buffer(format, size)
, m_planes(planes)
, m_flags(flags)
, m_interfaceImpl(interfaceImpl)
{
m_importType = ImportType::Conversion;
}
DmabufBuffer::~DmabufBuffer()
{
if (m_interfaceImpl) {
m_interfaceImpl->removeBuffer(this);
removeImages();
}
// Close all open file descriptors
for (int i = 0; i < m_planes.count(); i++) {
if (m_planes[i].fd != -1)
::close(m_planes[i].fd);
m_planes[i].fd = -1;
}
}
void DmabufBuffer::addImage(EGLImage image)
{
m_images << image;
}
void DmabufBuffer::removeImages()
{
for (auto image : m_images) {
eglDestroyImageKHR(m_interfaceImpl->m_backend->eglDisplay(), image);
}
m_images.clear();
m_interfaceImpl = nullptr;
}
using Plane = KWayland::Server::LinuxDmabufUnstableV1Interface::Plane;
using Flags = KWayland::Server::LinuxDmabufUnstableV1Interface::Flags;
EGLImage LinuxDmabuf::createImage(const QVector<Plane> &planes,
uint32_t format,
const QSize &size)
{
const bool hasModifiers = eglQueryDmaBufModifiersEXT != nullptr &&
planes[0].modifier != DRM_FORMAT_MOD_INVALID;
QVector<EGLint> attribs;
attribs << EGL_WIDTH << size.width()
<< EGL_HEIGHT << size.height()
<< EGL_LINUX_DRM_FOURCC_EXT << EGLint(format)
<< EGL_DMA_BUF_PLANE0_FD_EXT << planes[0].fd
<< EGL_DMA_BUF_PLANE0_OFFSET_EXT << EGLint(planes[0].offset)
<< EGL_DMA_BUF_PLANE0_PITCH_EXT << EGLint(planes[0].stride);
if (hasModifiers) {
attribs
<< EGL_DMA_BUF_PLANE0_MODIFIER_LO_EXT << EGLint(planes[0].modifier & 0xffffffff)
<< EGL_DMA_BUF_PLANE0_MODIFIER_HI_EXT << EGLint(planes[0].modifier >> 32);
}
if (planes.count() > 1) {
attribs
<< EGL_DMA_BUF_PLANE1_FD_EXT << planes[1].fd
<< EGL_DMA_BUF_PLANE1_OFFSET_EXT << EGLint(planes[1].offset)
<< EGL_DMA_BUF_PLANE1_PITCH_EXT << EGLint(planes[1].stride);
if (hasModifiers) {
attribs
<< EGL_DMA_BUF_PLANE1_MODIFIER_LO_EXT << EGLint(planes[1].modifier & 0xffffffff)
<< EGL_DMA_BUF_PLANE1_MODIFIER_HI_EXT << EGLint(planes[1].modifier >> 32);
}
}
if (planes.count() > 2) {
attribs
<< EGL_DMA_BUF_PLANE2_FD_EXT << planes[2].fd
<< EGL_DMA_BUF_PLANE2_OFFSET_EXT << EGLint(planes[2].offset)
<< EGL_DMA_BUF_PLANE2_PITCH_EXT << EGLint(planes[2].stride);
if (hasModifiers) {
attribs
<< EGL_DMA_BUF_PLANE2_MODIFIER_LO_EXT << EGLint(planes[2].modifier & 0xffffffff)
<< EGL_DMA_BUF_PLANE2_MODIFIER_HI_EXT << EGLint(planes[2].modifier >> 32);
}
}
if (eglQueryDmaBufModifiersEXT != nullptr && planes.count() > 3) {
attribs
<< EGL_DMA_BUF_PLANE3_FD_EXT << planes[3].fd
<< EGL_DMA_BUF_PLANE3_OFFSET_EXT << EGLint(planes[3].offset)
<< EGL_DMA_BUF_PLANE3_PITCH_EXT << EGLint(planes[3].stride);
if (hasModifiers) {
attribs
<< EGL_DMA_BUF_PLANE3_MODIFIER_LO_EXT << EGLint(planes[3].modifier & 0xffffffff)
<< EGL_DMA_BUF_PLANE3_MODIFIER_HI_EXT << EGLint(planes[3].modifier >> 32);
}
}
attribs << EGL_NONE;
EGLImage image = eglCreateImageKHR(m_backend->eglDisplay(),
EGL_NO_CONTEXT,
EGL_LINUX_DMA_BUF_EXT,
(EGLClientBuffer) nullptr,
attribs.data());
if (image == EGL_NO_IMAGE_KHR) {
return nullptr;
}
return image;
}
KWayland::Server::LinuxDmabufUnstableV1Buffer* LinuxDmabuf::importBuffer(const QVector<Plane> &planes,
uint32_t format,
const QSize &size,
Flags flags)
{
Q_ASSERT(planes.count() > 0);
// Try first to import as a single image
if (auto *img = createImage(planes, format, size)) {
return new DmabufBuffer(img, planes, format, size, flags, this);
}
// TODO: to enable this we must be able to store multiple textures per window pixmap
// and when on window draw do yuv to rgb transformation per shader (see Weston)
// // not a single image, try yuv import
// return yuvImport(planes, format, size, flags);
return nullptr;
}
KWayland::Server::LinuxDmabufUnstableV1Buffer* LinuxDmabuf::yuvImport(const QVector<Plane> &planes,
uint32_t format,
const QSize &size,
Flags flags)
{
YuvFormat yuvFormat;
for (YuvFormat f : yuvFormats) {
if (f.format == format) {
yuvFormat = f;
break;
}
}
if (yuvFormat.format == 0) {
return nullptr;
}
if (planes.count() != yuvFormat.inputPlanes) {
return nullptr;
}
auto *buf = new DmabufBuffer(planes, format, size, flags, this);
for (int i = 0; i < yuvFormat.outputPlanes; i++) {
int planeIndex = yuvFormat.planes[i].planeIndex;
Plane plane = {
planes[planeIndex].fd,
planes[planeIndex].offset,
planes[planeIndex].stride,
planes[planeIndex].modifier
};
const auto planeFormat = yuvFormat.planes[i].format;
const auto planeSize = QSize(size.width() / yuvFormat.planes[i].widthDivisor,
size.height() / yuvFormat.planes[i].heightDivisor);
auto *image = createImage(QVector<Plane>(1, plane),
planeFormat,
planeSize);
if (!image) {
delete buf;
return nullptr;
}
buf->addImage(image);
}
// TODO: add buf import properties
return buf;
}
LinuxDmabuf* LinuxDmabuf::factory(AbstractEglBackend *backend)
{
if (!backend->hasExtension(QByteArrayLiteral("EGL_EXT_image_dma_buf_import"))) {
return nullptr;
}
if (backend->hasExtension(QByteArrayLiteral("EGL_EXT_image_dma_buf_import_modifiers"))) {
eglQueryDmaBufFormatsEXT = (eglQueryDmaBufFormatsEXT_func) eglGetProcAddress("eglQueryDmaBufFormatsEXT");
eglQueryDmaBufModifiersEXT = (eglQueryDmaBufModifiersEXT_func) eglGetProcAddress("eglQueryDmaBufModifiersEXT");
}
if (eglQueryDmaBufFormatsEXT == nullptr) {
return nullptr;
}
return new LinuxDmabuf(backend);
}
LinuxDmabuf::LinuxDmabuf(AbstractEglBackend *backend)
: KWayland::Server::LinuxDmabufUnstableV1Interface::Impl()
, m_backend(backend)
{
Q_ASSERT(waylandServer());
m_interface = waylandServer()->display()->createLinuxDmabufInterface(backend);
setSupportedFormatsAndModifiers();
m_interface->setImpl(this);
m_interface->create();
}
LinuxDmabuf::~LinuxDmabuf()
{
for (auto *dmabuf : qAsConst(m_buffers)) {
dmabuf->removeImages();
}
}
void LinuxDmabuf::removeBuffer(DmabufBuffer *buffer)
{
m_buffers.remove(buffer);
}
const uint32_t s_multiPlaneFormats[] = {
DRM_FORMAT_XRGB8888_A8,
DRM_FORMAT_XBGR8888_A8,
DRM_FORMAT_RGBX8888_A8,
DRM_FORMAT_BGRX8888_A8,
DRM_FORMAT_RGB888_A8,
DRM_FORMAT_BGR888_A8,
DRM_FORMAT_RGB565_A8,
DRM_FORMAT_BGR565_A8,
DRM_FORMAT_NV12,
DRM_FORMAT_NV21,
DRM_FORMAT_NV16,
DRM_FORMAT_NV61,
DRM_FORMAT_NV24,
DRM_FORMAT_NV42,
DRM_FORMAT_YUV410,
DRM_FORMAT_YVU410,
DRM_FORMAT_YUV411,
DRM_FORMAT_YVU411,
DRM_FORMAT_YUV420,
DRM_FORMAT_YVU420,
DRM_FORMAT_YUV422,
DRM_FORMAT_YVU422,
DRM_FORMAT_YUV444,
DRM_FORMAT_YVU444
};
void filterFormatsWithMultiplePlanes(QVector<uint32_t> &formats)
{
QVector<uint32_t>::iterator it = formats.begin();
while (it != formats.end()) {
for (auto linuxFormat : s_multiPlaneFormats) {
if (*it == linuxFormat) {
qDebug() << "Filter multi-plane format" << *it;
it = formats.erase(it);
it--;
break;
}
}
it++;
}
}
void LinuxDmabuf::setSupportedFormatsAndModifiers()
{
const EGLDisplay eglDisplay = m_backend->eglDisplay();
EGLint count = 0;
EGLBoolean success = eglQueryDmaBufFormatsEXT(eglDisplay, 0, NULL, &count);
if (!success || count == 0) {
return;
}
QVector<uint32_t> formats(count);
if (!eglQueryDmaBufFormatsEXT(eglDisplay, count, (EGLint *) formats.data(), &count)) {
return;
}
filterFormatsWithMultiplePlanes(formats);
QHash<uint32_t, QSet<uint64_t> > set;
for (auto format : qAsConst(formats)) {
if (eglQueryDmaBufModifiersEXT != nullptr) {
count = 0;
success = eglQueryDmaBufModifiersEXT(eglDisplay, format, 0, NULL, NULL, &count);
if (success && count > 0) {
QVector<uint64_t> modifiers(count);
if (eglQueryDmaBufModifiersEXT(eglDisplay,
format, count, modifiers.data(),
NULL, &count)) {
QSet<uint64_t> modifiersSet;
for (auto mod : qAsConst(modifiers)) {
modifiersSet.insert(mod);
}
set.insert(format, modifiersSet);
continue;
}
}
}
set.insert(format, QSet<uint64_t>());
}
m_interface->setSupportedFormatsWithModifiers(set);
}
}

View file

@ -0,0 +1,111 @@
/********************************************************************
KWin - the KDE window manager
This file is part of the KDE project.
Copyright © 2019 Roman Gilg <subdiff@gmail.com>
Copyright © 2018 Fredrik Höglund <fredrik@kde.org>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*********************************************************************/
#pragma once
#include "abstract_egl_backend.h"
#include <KWayland/Server/linuxdmabuf_v1_interface.h>
#include <QVector>
namespace KWin
{
class LinuxDmabuf;
class DmabufBuffer : public KWayland::Server::LinuxDmabufUnstableV1Buffer
{
public:
using Plane = KWayland::Server::LinuxDmabufUnstableV1Interface::Plane;
using Flags = KWayland::Server::LinuxDmabufUnstableV1Interface::Flags;
enum class ImportType {
Direct,
Conversion
};
DmabufBuffer(EGLImage image,
const QVector<Plane> &planes,
uint32_t format,
const QSize &size,
Flags flags,
LinuxDmabuf *interfaceImpl);
DmabufBuffer(const QVector<Plane> &planes,
uint32_t format,
const QSize &size,
Flags flags,
LinuxDmabuf *interfaceImpl);
~DmabufBuffer() override;
void addImage(EGLImage image);
void removeImages();
QVector<EGLImage> images() const { return m_images; }
Flags flags() const { return m_flags; }
const QVector<Plane> &planes() const { return m_planes; }
private:
QVector<EGLImage> m_images;
QVector<Plane> m_planes;
Flags m_flags;
LinuxDmabuf *m_interfaceImpl;
ImportType m_importType;
};
class LinuxDmabuf : public KWayland::Server::LinuxDmabufUnstableV1Interface::Impl
{
public:
using Plane = KWayland::Server::LinuxDmabufUnstableV1Interface::Plane;
using Flags = KWayland::Server::LinuxDmabufUnstableV1Interface::Flags;
static LinuxDmabuf* factory(AbstractEglBackend *backend);
explicit LinuxDmabuf(AbstractEglBackend *backend);
~LinuxDmabuf();
KWayland::Server::LinuxDmabufUnstableV1Buffer *importBuffer(const QVector<Plane> &planes,
uint32_t format,
const QSize &size,
Flags flags) override;
private:
EGLImage createImage(const QVector<Plane> &planes,
uint32_t format,
const QSize &size);
KWayland::Server::LinuxDmabufUnstableV1Buffer *yuvImport(const QVector<Plane> &planes,
uint32_t format,
const QSize &size,
Flags flags);
void removeBuffer(DmabufBuffer *buffer);
void setSupportedFormatsAndModifiers();
KWayland::Server::LinuxDmabufUnstableV1Interface *m_interface;
QSet<DmabufBuffer*> m_buffers;
AbstractEglBackend *m_backend;
friend class DmabufBuffer;
};
}