render: add wlr_texture_to_dmabuf
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bd430b8620
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5ba1a9af56
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@ -20,6 +20,7 @@ struct wlr_egl {
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bool swap_buffers_with_damage;
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bool dmabuf_import;
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bool dmabuf_import_modifiers;
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bool dmabuf_export;
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bool bind_wayland_display;
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} egl_exts;
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@ -85,6 +86,10 @@ int wlr_egl_get_dmabuf_formats(struct wlr_egl *egl, int **formats);
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int wlr_egl_get_dmabuf_modifiers(struct wlr_egl *egl, int format,
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uint64_t **modifiers);
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bool wlr_egl_export_image_to_dmabuf(struct wlr_egl *egl, EGLImageKHR image,
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int32_t width, int32_t height, uint32_t flags,
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struct wlr_dmabuf_buffer_attribs *attribs);
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/**
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* Destroys an EGL image created with the given wlr_egl.
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*/
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@ -62,6 +62,8 @@ struct wlr_texture_impl {
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enum wl_shm_format wl_fmt, uint32_t stride, uint32_t width,
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uint32_t height, uint32_t src_x, uint32_t src_y, uint32_t dst_x,
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uint32_t dst_y, const void *data);
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bool (*to_dmabuf)(struct wlr_texture *texture,
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struct wlr_dmabuf_buffer_attribs *attribs);
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void (*destroy)(struct wlr_texture *texture);
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};
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@ -48,6 +48,9 @@ bool wlr_texture_write_pixels(struct wlr_texture *texture,
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uint32_t src_x, uint32_t src_y, uint32_t dst_x, uint32_t dst_y,
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const void *data);
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bool wlr_texture_to_dmabuf(struct wlr_texture *texture,
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struct wlr_dmabuf_buffer_attribs *attribs);
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/**
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* Destroys this wlr_texture.
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*/
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46
render/egl.c
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,
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check_egl_ext(egl->exts_str, "EGL_EXT_image_dma_buf_import_modifiers")
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&& eglQueryDmaBufFormatsEXT && eglQueryDmaBufModifiersEXT;
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egl->egl_exts.dmabuf_export =
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check_egl_ext(egl->exts_str, "EGL_MESA_image_dma_buf_export");
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egl->egl_exts.bind_wayland_display =
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check_egl_ext(egl->exts_str, "EGL_WL_bind_wayland_display");
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print_dmabuf_formats(egl);
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return true;
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@ -209,7 +213,7 @@ void wlr_egl_finish(struct wlr_egl *egl) {
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}
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bool wlr_egl_bind_display(struct wlr_egl *egl, struct wl_display *local_display) {
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if (!egl->egl_exts.bind_wayland_display) {
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if (!egl->egl_exts.bind_wayland_display || !eglBindWaylandDisplayWL) {
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return false;
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}
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@ -414,7 +418,7 @@ EGLImageKHR wlr_egl_create_image_from_dmabuf(struct wlr_egl *egl,
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}
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#ifndef DRM_FORMAT_BIG_ENDIAN
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# define DRM_FORMAT_BIG_ENDIAN 0x80000000
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#define DRM_FORMAT_BIG_ENDIAN 0x80000000
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#endif
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bool wlr_egl_check_import_dmabuf(struct wlr_egl *egl,
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struct wlr_dmabuf_buffer *dmabuf) {
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@ -446,7 +450,7 @@ bool wlr_egl_check_import_dmabuf(struct wlr_egl *egl,
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int wlr_egl_get_dmabuf_formats(struct wlr_egl *egl,
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int **formats) {
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if (!egl->egl_exts.dmabuf_import ||
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!egl->egl_exts.dmabuf_import_modifiers) {
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!egl->egl_exts.dmabuf_import_modifiers) {
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wlr_log(L_DEBUG, "dmabuf extension not present");
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return -1;
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}
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@ -501,6 +505,42 @@ int wlr_egl_get_dmabuf_modifiers(struct wlr_egl *egl,
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return num;
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}
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bool wlr_egl_export_image_to_dmabuf(struct wlr_egl *egl, EGLImageKHR image,
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int32_t width, int32_t height, uint32_t flags,
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struct wlr_dmabuf_buffer_attribs *attribs) {
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memset(attribs, 0, sizeof(struct wlr_dmabuf_buffer_attribs));
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if (!egl->egl_exts.dmabuf_export || !eglExportDMABUFImageQueryMESA ||
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!eglExportDMABUFImageMESA) {
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return false;
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}
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// Only one set of modifiers is returned for all planes
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EGLuint64KHR modifiers;
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if (!eglExportDMABUFImageQueryMESA(egl->display, image,
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(int *)&attribs->format, &attribs->n_planes, &modifiers)) {
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return false;
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}
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if (attribs->n_planes > WLR_LINUX_DMABUF_MAX_PLANES) {
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wlr_log(L_ERROR, "EGL returned %d planes, but only %d are supported",
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attribs->n_planes, WLR_LINUX_DMABUF_MAX_PLANES);
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return false;
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}
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for (int i = 0; i < attribs->n_planes; ++i) {
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attribs->modifier[i] = modifiers;
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}
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if (!eglExportDMABUFImageMESA(egl->display, image, attribs->fd,
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(EGLint *)attribs->stride, (EGLint *)attribs->offset)) {
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return false;
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}
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attribs->width = width;
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attribs->height = height;
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attribs->flags = flags;
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return true;
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}
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bool wlr_egl_destroy_surface(struct wlr_egl *egl, EGLSurface surface) {
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if (!surface) {
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return true;
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@ -10,6 +10,8 @@ eglCreatePlatformWindowSurfaceEXT
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-eglSwapBuffersWithDamageKHR
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-eglQueryDmaBufFormatsEXT
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-eglQueryDmaBufModifiersEXT
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-eglExportDMABUFImageQueryMESA
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-eglExportDMABUFImageMESA
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-eglDebugMessageControlKHR
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-glDebugMessageCallbackKHR
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-glDebugMessageControlKHR
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@ -74,6 +74,34 @@ static bool gles2_texture_write_pixels(struct wlr_texture *wlr_texture,
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return true;
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}
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static bool gles2_texture_to_dmabuf(struct wlr_texture *wlr_texture,
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struct wlr_dmabuf_buffer_attribs *attribs) {
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struct wlr_gles2_texture *texture = gles2_get_texture(wlr_texture);
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if (!texture->image) {
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assert(texture->type == WLR_GLES2_TEXTURE_GLTEX);
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if (!eglCreateImageKHR) {
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return false;
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}
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texture->image = eglCreateImageKHR(texture->egl->display,
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texture->egl->context, EGL_GL_TEXTURE_2D_KHR,
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(EGLClientBuffer)(uintptr_t)texture->gl_tex, NULL);
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if (texture->image == EGL_NO_IMAGE_KHR) {
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return false;
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}
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}
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uint32_t flags = 0;
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if (texture->inverted_y) {
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flags |= WLR_DMABUF_BUFFER_ATTRIBS_FLAGS_Y_INVERT;
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}
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return wlr_egl_export_image_to_dmabuf(texture->egl, texture->image,
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texture->width, texture->height, flags, attribs);
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}
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static void gles2_texture_destroy(struct wlr_texture *wlr_texture) {
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if (wlr_texture == NULL) {
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return;
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@ -102,6 +130,7 @@ static void gles2_texture_destroy(struct wlr_texture *wlr_texture) {
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static const struct wlr_texture_impl texture_impl = {
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.get_size = gles2_texture_get_size,
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.write_pixels = gles2_texture_write_pixels,
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.to_dmabuf = gles2_texture_to_dmabuf,
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.destroy = gles2_texture_destroy,
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};
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@ -54,3 +54,11 @@ bool wlr_texture_write_pixels(struct wlr_texture *texture,
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return texture->impl->write_pixels(texture, wl_fmt, stride, width, height,
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src_x, src_y, dst_x, dst_y, data);
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}
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bool wlr_texture_to_dmabuf(struct wlr_texture *texture,
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struct wlr_dmabuf_buffer_attribs *attribs) {
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if (!texture->impl->to_dmabuf) {
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return false;
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}
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return texture->impl->to_dmabuf(texture, attribs);
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}
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