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render: add wlr_texture_to_dmabuf

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emersion 2018-05-23 00:03:26 +01:00
parent bd430b8620
commit 5ba1a9af56
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GPG key ID: 0FDE7BE0E88F5E48
7 changed files with 92 additions and 3 deletions
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46
render/egl.c
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@ -178,8 +178,12 @@ bool wlr_egl_init(struct wlr_egl *egl, EGLenum platform, void *remote_display,
check_egl_ext(egl->exts_str, "EGL_EXT_image_dma_buf_import_modifiers")
&& eglQueryDmaBufFormatsEXT && eglQueryDmaBufModifiersEXT;
egl->egl_exts.dmabuf_export =
check_egl_ext(egl->exts_str, "EGL_MESA_image_dma_buf_export");
egl->egl_exts.bind_wayland_display =
check_egl_ext(egl->exts_str, "EGL_WL_bind_wayland_display");
print_dmabuf_formats(egl);
return true;
@ -209,7 +213,7 @@ void wlr_egl_finish(struct wlr_egl *egl) {
}
bool wlr_egl_bind_display(struct wlr_egl *egl, struct wl_display *local_display) {
if (!egl->egl_exts.bind_wayland_display) {
if (!egl->egl_exts.bind_wayland_display || !eglBindWaylandDisplayWL) {
return false;
}
@ -414,7 +418,7 @@ EGLImageKHR wlr_egl_create_image_from_dmabuf(struct wlr_egl *egl,
}
#ifndef DRM_FORMAT_BIG_ENDIAN
# define DRM_FORMAT_BIG_ENDIAN 0x80000000
#define DRM_FORMAT_BIG_ENDIAN 0x80000000
#endif
bool wlr_egl_check_import_dmabuf(struct wlr_egl *egl,
struct wlr_dmabuf_buffer *dmabuf) {
@ -446,7 +450,7 @@ bool wlr_egl_check_import_dmabuf(struct wlr_egl *egl,
int wlr_egl_get_dmabuf_formats(struct wlr_egl *egl,
int **formats) {
if (!egl->egl_exts.dmabuf_import ||
!egl->egl_exts.dmabuf_import_modifiers) {
!egl->egl_exts.dmabuf_import_modifiers) {
wlr_log(L_DEBUG, "dmabuf extension not present");
return -1;
}
@ -501,6 +505,42 @@ int wlr_egl_get_dmabuf_modifiers(struct wlr_egl *egl,
return num;
}
bool wlr_egl_export_image_to_dmabuf(struct wlr_egl *egl, EGLImageKHR image,
int32_t width, int32_t height, uint32_t flags,
struct wlr_dmabuf_buffer_attribs *attribs) {
memset(attribs, 0, sizeof(struct wlr_dmabuf_buffer_attribs));
if (!egl->egl_exts.dmabuf_export || !eglExportDMABUFImageQueryMESA ||
!eglExportDMABUFImageMESA) {
return false;
}
// Only one set of modifiers is returned for all planes
EGLuint64KHR modifiers;
if (!eglExportDMABUFImageQueryMESA(egl->display, image,
(int *)&attribs->format, &attribs->n_planes, &modifiers)) {
return false;
}
if (attribs->n_planes > WLR_LINUX_DMABUF_MAX_PLANES) {
wlr_log(L_ERROR, "EGL returned %d planes, but only %d are supported",
attribs->n_planes, WLR_LINUX_DMABUF_MAX_PLANES);
return false;
}
for (int i = 0; i < attribs->n_planes; ++i) {
attribs->modifier[i] = modifiers;
}
if (!eglExportDMABUFImageMESA(egl->display, image, attribs->fd,
(EGLint *)attribs->stride, (EGLint *)attribs->offset)) {
return false;
}
attribs->width = width;
attribs->height = height;
attribs->flags = flags;
return true;
}
bool wlr_egl_destroy_surface(struct wlr_egl *egl, EGLSurface surface) {
if (!surface) {
return true;