diff options
Diffstat (limited to 'render')
| -rw-r--r-- | render/egl.c | 46 | ||||
| -rw-r--r-- | render/glapi.txt | 2 | ||||
| -rw-r--r-- | render/gles2/texture.c | 29 | ||||
| -rw-r--r-- | render/wlr_texture.c | 8 |
4 files changed, 82 insertions, 3 deletions
diff --git a/render/egl.c b/render/egl.c index 579bb5fe..1182a72f 100644 --- a/render/egl.c +++ b/render/egl.c @@ -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; diff --git a/render/glapi.txt b/render/glapi.txt index a8e4aaba..b1166f27 100644 --- a/render/glapi.txt +++ b/render/glapi.txt @@ -10,6 +10,8 @@ eglCreatePlatformWindowSurfaceEXT -eglSwapBuffersWithDamageKHR -eglQueryDmaBufFormatsEXT -eglQueryDmaBufModifiersEXT +-eglExportDMABUFImageQueryMESA +-eglExportDMABUFImageMESA -eglDebugMessageControlKHR -glDebugMessageCallbackKHR -glDebugMessageControlKHR diff --git a/render/gles2/texture.c b/render/gles2/texture.c index 37424802..742f9da0 100644 --- a/render/gles2/texture.c +++ b/render/gles2/texture.c @@ -74,6 +74,34 @@ static bool gles2_texture_write_pixels(struct wlr_texture *wlr_texture, return true; } +static bool gles2_texture_to_dmabuf(struct wlr_texture *wlr_texture, + struct wlr_dmabuf_buffer_attribs *attribs) { + struct wlr_gles2_texture *texture = gles2_get_texture(wlr_texture); + + if (!texture->image) { + assert(texture->type == WLR_GLES2_TEXTURE_GLTEX); + + if (!eglCreateImageKHR) { + return false; + } + + texture->image = eglCreateImageKHR(texture->egl->display, + texture->egl->context, EGL_GL_TEXTURE_2D_KHR, + (EGLClientBuffer)(uintptr_t)texture->gl_tex, NULL); + if (texture->image == EGL_NO_IMAGE_KHR) { + return false; + } + } + + uint32_t flags = 0; + if (texture->inverted_y) { + flags |= WLR_DMABUF_BUFFER_ATTRIBS_FLAGS_Y_INVERT; + } + + return wlr_egl_export_image_to_dmabuf(texture->egl, texture->image, + texture->width, texture->height, flags, attribs); +} + static void gles2_texture_destroy(struct wlr_texture *wlr_texture) { if (wlr_texture == NULL) { return; @@ -102,6 +130,7 @@ static void gles2_texture_destroy(struct wlr_texture *wlr_texture) { static const struct wlr_texture_impl texture_impl = { .get_size = gles2_texture_get_size, .write_pixels = gles2_texture_write_pixels, + .to_dmabuf = gles2_texture_to_dmabuf, .destroy = gles2_texture_destroy, }; diff --git a/render/wlr_texture.c b/render/wlr_texture.c index 9aecfd98..f7ce0b44 100644 --- a/render/wlr_texture.c +++ b/render/wlr_texture.c @@ -54,3 +54,11 @@ bool wlr_texture_write_pixels(struct wlr_texture *texture, return texture->impl->write_pixels(texture, wl_fmt, stride, width, height, src_x, src_y, dst_x, dst_y, data); } + +bool wlr_texture_to_dmabuf(struct wlr_texture *texture, + struct wlr_dmabuf_buffer_attribs *attribs) { + if (!texture->impl->to_dmabuf) { + return false; + } + return texture->impl->to_dmabuf(texture, attribs); +} |