diff options
Diffstat (limited to 'render')
| -rw-r--r-- | render/dmabuf.c | 10 | ||||
| -rw-r--r-- | render/egl.c | 36 | ||||
| -rw-r--r-- | render/glapi.txt | 2 | ||||
| -rw-r--r-- | render/gles2/texture.c | 29 | ||||
| -rw-r--r-- | render/meson.build | 1 | ||||
| -rw-r--r-- | render/wlr_texture.c | 8 |
6 files changed, 86 insertions, 0 deletions
diff --git a/render/dmabuf.c b/render/dmabuf.c new file mode 100644 index 00000000..6b500748 --- /dev/null +++ b/render/dmabuf.c @@ -0,0 +1,10 @@ +#include <unistd.h> +#include <wlr/render/dmabuf.h> + +void wlr_dmabuf_attributes_finish( struct wlr_dmabuf_attributes *attribs) { + for (int i = 0; i < attribs->n_planes; ++i) { + close(attribs->fd[i]); + attribs->fd[i] = -1; + } + attribs->n_planes = 0; +} diff --git a/render/egl.c b/render/egl.c index 450562db..7f910e86 100644 --- a/render/egl.c +++ b/render/egl.c @@ -164,6 +164,11 @@ bool wlr_egl_init(struct wlr_egl *egl, EGLenum platform, void *remote_display, egl->exts.image_dmabuf_import_modifiers_ext = check_egl_ext(egl->exts_str, "EGL_EXT_image_dma_buf_import_modifiers") && eglQueryDmaBufFormatsEXT && eglQueryDmaBufModifiersEXT; + + egl->exts.image_dma_buf_export_mesa = + check_egl_ext(egl->exts_str, "EGL_MESA_image_dma_buf_export") && + eglExportDMABUFImageQueryMESA && eglExportDMABUFImageMESA; + print_dmabuf_formats(egl); egl->exts.bind_wayland_display_wl = @@ -511,6 +516,37 @@ 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_attributes *attribs) { + memset(attribs, 0, sizeof(struct wlr_dmabuf_attributes)); + + if (!egl->exts.image_dma_buf_export_mesa) { + return false; + } + + // Only one set of modifiers is returned for all planes + if (!eglExportDMABUFImageQueryMESA(egl->display, image, + (int *)&attribs->format, &attribs->n_planes, &attribs->modifier)) { + return false; + } + if (attribs->n_planes > WLR_DMABUF_MAX_PLANES) { + wlr_log(L_ERROR, "EGL returned %d planes, but only %d are supported", + attribs->n_planes, WLR_DMABUF_MAX_PLANES); + return false; + } + + 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 da98a523..0ef9d759 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_attributes *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_ATTRIBUTES_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/meson.build b/render/meson.build index 4fe9ea67..4b90c229 100644 --- a/render/meson.build +++ b/render/meson.build @@ -9,6 +9,7 @@ glapi = custom_target('glapi', lib_wlr_render = static_library( 'wlr_render', files( + 'dmabuf.c', 'egl.c', 'gles2/pixel_format.c', 'gles2/renderer.c', diff --git a/render/wlr_texture.c b/render/wlr_texture.c index 38c75d28..76986920 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_attributes *attribs) { + if (!texture->impl->to_dmabuf) { + return false; + } + return texture->impl->to_dmabuf(texture, attribs); +} |