[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
parent
c5c2ce7535
commit
6613327a9c
6 changed files with 1085 additions and 4 deletions
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@ -1,6 +1,7 @@
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set(SCENE_OPENGL_BACKEND_SRCS
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abstract_egl_backend.cpp
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backend.cpp
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linux_dmabuf.cpp
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swap_profiler.cpp
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texture.cpp
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)
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@ -18,6 +18,7 @@ You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*********************************************************************/
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#include "abstract_egl_backend.h"
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#include "linux_dmabuf.h"
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#include "texture.h"
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#include "composite.h"
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#include "egl_context_attribute_builder.h"
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@ -169,6 +170,8 @@ void AbstractEglBackend::initWayland()
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}
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}
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}
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LinuxDmabuf::factory(this);
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}
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void AbstractEglBackend::initClientExtensions()
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@ -352,11 +355,12 @@ bool AbstractEglTexture::loadTexture(WindowPixmap *pixmap)
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if (auto s = pixmap->surface()) {
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s->resetTrackedDamage();
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}
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if (buffer->shmBuffer()) {
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if (buffer->linuxDmabufBuffer()) {
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return loadDmabufTexture(buffer);
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} else if (buffer->shmBuffer()) {
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return loadShmTexture(buffer);
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} else {
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return loadEglTexture(buffer);
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}
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return loadEglTexture(buffer);
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}
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void AbstractEglTexture::updateTexture(WindowPixmap *pixmap)
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@ -373,12 +377,34 @@ void AbstractEglTexture::updateTexture(WindowPixmap *pixmap)
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return;
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}
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auto s = pixmap->surface();
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if (DmabufBuffer *dmabuf = static_cast<DmabufBuffer *>(buffer->linuxDmabufBuffer())) {
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q->bind();
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glEGLImageTargetTexture2DOES(GL_TEXTURE_2D, (GLeglImageOES) dmabuf->images()[0]); //TODO
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q->unbind();
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if (m_image != EGL_NO_IMAGE_KHR) {
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eglDestroyImageKHR(m_backend->eglDisplay(), m_image);
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}
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m_image = EGL_NO_IMAGE_KHR; // The wl_buffer has ownership of the image
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// The origin in a dmabuf-buffer is at the upper-left corner, so the meaning
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// of Y-inverted is the inverse of OpenGL.
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const bool yInverted = !(dmabuf->flags() & KWayland::Server::LinuxDmabufUnstableV1Interface::YInverted);
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if (m_size != dmabuf->size() || yInverted != q->isYInverted()) {
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m_size = dmabuf->size();
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q->setYInverted(yInverted);
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}
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if (s) {
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s->resetTrackedDamage();
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}
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return;
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}
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if (!buffer->shmBuffer()) {
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q->bind();
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EGLImageKHR image = attach(buffer);
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q->unbind();
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if (image != EGL_NO_IMAGE_KHR) {
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if (m_image != EGL_NO_IMAGE_KHR) {
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eglDestroyImageKHR(m_backend->eglDisplay(), m_image);
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}
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m_image = image;
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}
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if (s) {
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@ -504,6 +530,30 @@ bool AbstractEglTexture::loadEglTexture(const QPointer< KWayland::Server::Buffer
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return true;
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}
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bool AbstractEglTexture::loadDmabufTexture(const QPointer< KWayland::Server::BufferInterface > &buffer)
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{
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DmabufBuffer *dmabuf = static_cast<DmabufBuffer *>(buffer->linuxDmabufBuffer());
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if (!dmabuf || dmabuf->images()[0] == EGL_NO_IMAGE_KHR) {
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qCritical(KWIN_OPENGL) << "Invalid dmabuf-based wl_buffer";
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q->discard();
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return false;
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}
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assert(m_image == EGL_NO_IMAGE_KHR);
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glGenTextures(1, &m_texture);
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q->setWrapMode(GL_CLAMP_TO_EDGE);
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q->setFilter(GL_NEAREST);
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q->bind();
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glEGLImageTargetTexture2DOES(GL_TEXTURE_2D, (GLeglImageOES) dmabuf->images()[0]);
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q->unbind();
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m_size = dmabuf->size();
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q->setYInverted(!(dmabuf->flags() & KWayland::Server::LinuxDmabufUnstableV1Interface::YInverted));
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return true;
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}
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EGLImageKHR AbstractEglTexture::attach(const QPointer< KWayland::Server::BufferInterface > &buffer)
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{
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EGLint format, yInverted;
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@ -110,6 +110,7 @@ protected:
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private:
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bool loadShmTexture(const QPointer<KWayland::Server::BufferInterface> &buffer);
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bool loadEglTexture(const QPointer<KWayland::Server::BufferInterface> &buffer);
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bool loadDmabufTexture(const QPointer< KWayland::Server::BufferInterface > &buffer);
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EGLImageKHR attach(const QPointer<KWayland::Server::BufferInterface> &buffer);
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bool updateFromFBO(const QSharedPointer<QOpenGLFramebufferObject> &fbo);
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SceneOpenGLTexture *q;
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414
platformsupport/scenes/opengl/drm_fourcc.h
Normal file
414
platformsupport/scenes/opengl/drm_fourcc.h
Normal file
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@ -0,0 +1,414 @@
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/*
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* Copyright 2011 Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef DRM_FOURCC_H
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#define DRM_FOURCC_H
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//#include "drm.h"
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// These typedefs are copied from drm.h
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typedef uint32_t __u32;
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typedef uint64_t __u64;
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#if defined(__cplusplus)
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extern "C" {
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#endif
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#define fourcc_code(a, b, c, d) ((__u32)(a) | ((__u32)(b) << 8) | \
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((__u32)(c) << 16) | ((__u32)(d) << 24))
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#define DRM_FORMAT_BIG_ENDIAN (1<<31) /* format is big endian instead of little endian */
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/* color index */
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#define DRM_FORMAT_C8 fourcc_code('C', '8', ' ', ' ') /* [7:0] C */
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/* 8 bpp Red */
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#define DRM_FORMAT_R8 fourcc_code('R', '8', ' ', ' ') /* [7:0] R */
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/* 16 bpp Red */
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#define DRM_FORMAT_R16 fourcc_code('R', '1', '6', ' ') /* [15:0] R little endian */
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/* 16 bpp RG */
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#define DRM_FORMAT_RG88 fourcc_code('R', 'G', '8', '8') /* [15:0] R:G 8:8 little endian */
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#define DRM_FORMAT_GR88 fourcc_code('G', 'R', '8', '8') /* [15:0] G:R 8:8 little endian */
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/* 32 bpp RG */
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#define DRM_FORMAT_RG1616 fourcc_code('R', 'G', '3', '2') /* [31:0] R:G 16:16 little endian */
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#define DRM_FORMAT_GR1616 fourcc_code('G', 'R', '3', '2') /* [31:0] G:R 16:16 little endian */
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/* 8 bpp RGB */
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#define DRM_FORMAT_RGB332 fourcc_code('R', 'G', 'B', '8') /* [7:0] R:G:B 3:3:2 */
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#define DRM_FORMAT_BGR233 fourcc_code('B', 'G', 'R', '8') /* [7:0] B:G:R 2:3:3 */
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/* 16 bpp RGB */
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#define DRM_FORMAT_XRGB4444 fourcc_code('X', 'R', '1', '2') /* [15:0] x:R:G:B 4:4:4:4 little endian */
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#define DRM_FORMAT_XBGR4444 fourcc_code('X', 'B', '1', '2') /* [15:0] x:B:G:R 4:4:4:4 little endian */
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#define DRM_FORMAT_RGBX4444 fourcc_code('R', 'X', '1', '2') /* [15:0] R:G:B:x 4:4:4:4 little endian */
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#define DRM_FORMAT_BGRX4444 fourcc_code('B', 'X', '1', '2') /* [15:0] B:G:R:x 4:4:4:4 little endian */
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#define DRM_FORMAT_ARGB4444 fourcc_code('A', 'R', '1', '2') /* [15:0] A:R:G:B 4:4:4:4 little endian */
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#define DRM_FORMAT_ABGR4444 fourcc_code('A', 'B', '1', '2') /* [15:0] A:B:G:R 4:4:4:4 little endian */
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#define DRM_FORMAT_RGBA4444 fourcc_code('R', 'A', '1', '2') /* [15:0] R:G:B:A 4:4:4:4 little endian */
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#define DRM_FORMAT_BGRA4444 fourcc_code('B', 'A', '1', '2') /* [15:0] B:G:R:A 4:4:4:4 little endian */
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#define DRM_FORMAT_XRGB1555 fourcc_code('X', 'R', '1', '5') /* [15:0] x:R:G:B 1:5:5:5 little endian */
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#define DRM_FORMAT_XBGR1555 fourcc_code('X', 'B', '1', '5') /* [15:0] x:B:G:R 1:5:5:5 little endian */
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#define DRM_FORMAT_RGBX5551 fourcc_code('R', 'X', '1', '5') /* [15:0] R:G:B:x 5:5:5:1 little endian */
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#define DRM_FORMAT_BGRX5551 fourcc_code('B', 'X', '1', '5') /* [15:0] B:G:R:x 5:5:5:1 little endian */
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#define DRM_FORMAT_ARGB1555 fourcc_code('A', 'R', '1', '5') /* [15:0] A:R:G:B 1:5:5:5 little endian */
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#define DRM_FORMAT_ABGR1555 fourcc_code('A', 'B', '1', '5') /* [15:0] A:B:G:R 1:5:5:5 little endian */
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#define DRM_FORMAT_RGBA5551 fourcc_code('R', 'A', '1', '5') /* [15:0] R:G:B:A 5:5:5:1 little endian */
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#define DRM_FORMAT_BGRA5551 fourcc_code('B', 'A', '1', '5') /* [15:0] B:G:R:A 5:5:5:1 little endian */
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#define DRM_FORMAT_RGB565 fourcc_code('R', 'G', '1', '6') /* [15:0] R:G:B 5:6:5 little endian */
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#define DRM_FORMAT_BGR565 fourcc_code('B', 'G', '1', '6') /* [15:0] B:G:R 5:6:5 little endian */
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/* 24 bpp RGB */
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#define DRM_FORMAT_RGB888 fourcc_code('R', 'G', '2', '4') /* [23:0] R:G:B little endian */
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#define DRM_FORMAT_BGR888 fourcc_code('B', 'G', '2', '4') /* [23:0] B:G:R little endian */
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/* 32 bpp RGB */
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#define DRM_FORMAT_XRGB8888 fourcc_code('X', 'R', '2', '4') /* [31:0] x:R:G:B 8:8:8:8 little endian */
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#define DRM_FORMAT_XBGR8888 fourcc_code('X', 'B', '2', '4') /* [31:0] x:B:G:R 8:8:8:8 little endian */
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#define DRM_FORMAT_RGBX8888 fourcc_code('R', 'X', '2', '4') /* [31:0] R:G:B:x 8:8:8:8 little endian */
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#define DRM_FORMAT_BGRX8888 fourcc_code('B', 'X', '2', '4') /* [31:0] B:G:R:x 8:8:8:8 little endian */
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#define DRM_FORMAT_ARGB8888 fourcc_code('A', 'R', '2', '4') /* [31:0] A:R:G:B 8:8:8:8 little endian */
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#define DRM_FORMAT_ABGR8888 fourcc_code('A', 'B', '2', '4') /* [31:0] A:B:G:R 8:8:8:8 little endian */
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#define DRM_FORMAT_RGBA8888 fourcc_code('R', 'A', '2', '4') /* [31:0] R:G:B:A 8:8:8:8 little endian */
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#define DRM_FORMAT_BGRA8888 fourcc_code('B', 'A', '2', '4') /* [31:0] B:G:R:A 8:8:8:8 little endian */
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#define DRM_FORMAT_XRGB2101010 fourcc_code('X', 'R', '3', '0') /* [31:0] x:R:G:B 2:10:10:10 little endian */
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#define DRM_FORMAT_XBGR2101010 fourcc_code('X', 'B', '3', '0') /* [31:0] x:B:G:R 2:10:10:10 little endian */
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#define DRM_FORMAT_RGBX1010102 fourcc_code('R', 'X', '3', '0') /* [31:0] R:G:B:x 10:10:10:2 little endian */
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#define DRM_FORMAT_BGRX1010102 fourcc_code('B', 'X', '3', '0') /* [31:0] B:G:R:x 10:10:10:2 little endian */
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#define DRM_FORMAT_ARGB2101010 fourcc_code('A', 'R', '3', '0') /* [31:0] A:R:G:B 2:10:10:10 little endian */
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#define DRM_FORMAT_ABGR2101010 fourcc_code('A', 'B', '3', '0') /* [31:0] A:B:G:R 2:10:10:10 little endian */
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#define DRM_FORMAT_RGBA1010102 fourcc_code('R', 'A', '3', '0') /* [31:0] R:G:B:A 10:10:10:2 little endian */
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#define DRM_FORMAT_BGRA1010102 fourcc_code('B', 'A', '3', '0') /* [31:0] B:G:R:A 10:10:10:2 little endian */
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/* packed YCbCr */
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#define DRM_FORMAT_YUYV fourcc_code('Y', 'U', 'Y', 'V') /* [31:0] Cr0:Y1:Cb0:Y0 8:8:8:8 little endian */
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#define DRM_FORMAT_YVYU fourcc_code('Y', 'V', 'Y', 'U') /* [31:0] Cb0:Y1:Cr0:Y0 8:8:8:8 little endian */
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#define DRM_FORMAT_UYVY fourcc_code('U', 'Y', 'V', 'Y') /* [31:0] Y1:Cr0:Y0:Cb0 8:8:8:8 little endian */
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#define DRM_FORMAT_VYUY fourcc_code('V', 'Y', 'U', 'Y') /* [31:0] Y1:Cb0:Y0:Cr0 8:8:8:8 little endian */
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#define DRM_FORMAT_AYUV fourcc_code('A', 'Y', 'U', 'V') /* [31:0] A:Y:Cb:Cr 8:8:8:8 little endian */
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/*
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* 2 plane RGB + A
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* index 0 = RGB plane, same format as the corresponding non _A8 format has
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* index 1 = A plane, [7:0] A
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*/
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#define DRM_FORMAT_XRGB8888_A8 fourcc_code('X', 'R', 'A', '8')
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#define DRM_FORMAT_XBGR8888_A8 fourcc_code('X', 'B', 'A', '8')
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#define DRM_FORMAT_RGBX8888_A8 fourcc_code('R', 'X', 'A', '8')
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#define DRM_FORMAT_BGRX8888_A8 fourcc_code('B', 'X', 'A', '8')
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#define DRM_FORMAT_RGB888_A8 fourcc_code('R', '8', 'A', '8')
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#define DRM_FORMAT_BGR888_A8 fourcc_code('B', '8', 'A', '8')
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#define DRM_FORMAT_RGB565_A8 fourcc_code('R', '5', 'A', '8')
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#define DRM_FORMAT_BGR565_A8 fourcc_code('B', '5', 'A', '8')
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/*
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* 2 plane YCbCr
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* index 0 = Y plane, [7:0] Y
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* index 1 = Cr:Cb plane, [15:0] Cr:Cb little endian
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* or
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* index 1 = Cb:Cr plane, [15:0] Cb:Cr little endian
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*/
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#define DRM_FORMAT_NV12 fourcc_code('N', 'V', '1', '2') /* 2x2 subsampled Cr:Cb plane */
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#define DRM_FORMAT_NV21 fourcc_code('N', 'V', '2', '1') /* 2x2 subsampled Cb:Cr plane */
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#define DRM_FORMAT_NV16 fourcc_code('N', 'V', '1', '6') /* 2x1 subsampled Cr:Cb plane */
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#define DRM_FORMAT_NV61 fourcc_code('N', 'V', '6', '1') /* 2x1 subsampled Cb:Cr plane */
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#define DRM_FORMAT_NV24 fourcc_code('N', 'V', '2', '4') /* non-subsampled Cr:Cb plane */
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#define DRM_FORMAT_NV42 fourcc_code('N', 'V', '4', '2') /* non-subsampled Cb:Cr plane */
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/*
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* 3 plane YCbCr
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* index 0: Y plane, [7:0] Y
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* index 1: Cb plane, [7:0] Cb
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* index 2: Cr plane, [7:0] Cr
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* or
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* index 1: Cr plane, [7:0] Cr
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* index 2: Cb plane, [7:0] Cb
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*/
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#define DRM_FORMAT_YUV410 fourcc_code('Y', 'U', 'V', '9') /* 4x4 subsampled Cb (1) and Cr (2) planes */
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#define DRM_FORMAT_YVU410 fourcc_code('Y', 'V', 'U', '9') /* 4x4 subsampled Cr (1) and Cb (2) planes */
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#define DRM_FORMAT_YUV411 fourcc_code('Y', 'U', '1', '1') /* 4x1 subsampled Cb (1) and Cr (2) planes */
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#define DRM_FORMAT_YVU411 fourcc_code('Y', 'V', '1', '1') /* 4x1 subsampled Cr (1) and Cb (2) planes */
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#define DRM_FORMAT_YUV420 fourcc_code('Y', 'U', '1', '2') /* 2x2 subsampled Cb (1) and Cr (2) planes */
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#define DRM_FORMAT_YVU420 fourcc_code('Y', 'V', '1', '2') /* 2x2 subsampled Cr (1) and Cb (2) planes */
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#define DRM_FORMAT_YUV422 fourcc_code('Y', 'U', '1', '6') /* 2x1 subsampled Cb (1) and Cr (2) planes */
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#define DRM_FORMAT_YVU422 fourcc_code('Y', 'V', '1', '6') /* 2x1 subsampled Cr (1) and Cb (2) planes */
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#define DRM_FORMAT_YUV444 fourcc_code('Y', 'U', '2', '4') /* non-subsampled Cb (1) and Cr (2) planes */
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#define DRM_FORMAT_YVU444 fourcc_code('Y', 'V', '2', '4') /* non-subsampled Cr (1) and Cb (2) planes */
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/*
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* Format Modifiers:
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*
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* Format modifiers describe, typically, a re-ordering or modification
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* of the data in a plane of an FB. This can be used to express tiled/
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* swizzled formats, or compression, or a combination of the two.
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*
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* The upper 8 bits of the format modifier are a vendor-id as assigned
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* below. The lower 56 bits are assigned as vendor sees fit.
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*/
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/* Vendor Ids: */
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#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 */
|
||||
504
platformsupport/scenes/opengl/linux_dmabuf.cpp
Normal file
504
platformsupport/scenes/opengl/linux_dmabuf.cpp
Normal file
|
|
@ -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);
|
||||
}
|
||||
|
||||
}
|
||||
111
platformsupport/scenes/opengl/linux_dmabuf.h
Normal file
111
platformsupport/scenes/opengl/linux_dmabuf.h
Normal 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;
|
||||
};
|
||||
|
||||
}
|
||||
Loading…
Reference in a new issue