492 lines
14 KiB
C
492 lines
14 KiB
C
/*
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* Copyright © 2011-2014 Intel Corporation
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*
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* Permission to use, copy, modify, distribute, and sell this software
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* and its documentation for any purpose is hereby granted without
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* fee, provided that the above copyright notice appear in all copies
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* and that both that copyright notice and this permission notice
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* appear in supporting documentation, and that the name of the
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* copyright holders not be used in advertising or publicity
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* pertaining to distribution of the software without specific,
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* written prior permission. The copyright holders make no
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* representations about the suitability of this software for any
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* purpose. It is provided "as is" without express or implied
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* warranty.
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*
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* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
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* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
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* FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
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* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
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* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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* SOFTWARE.
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*/
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#include <xwayland-config.h>
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#define MESA_EGL_NO_X11_HEADERS
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#define EGL_NO_X11
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#include <glamor_egl.h>
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#include <glamor.h>
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#include <glamor_context.h>
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#ifdef GLXEXT
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#include "glx_extinit.h"
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#endif
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#include "linux-dmabuf-unstable-v1-client-protocol.h"
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#include "drm-client-protocol.h"
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#include <drm_fourcc.h>
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#include "xwayland-glamor.h"
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#include "xwayland-glx.h"
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#include "xwayland-screen.h"
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#include "xwayland-window.h"
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static void
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glamor_egl_make_current(struct glamor_context *glamor_ctx)
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{
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eglMakeCurrent(glamor_ctx->display, EGL_NO_SURFACE,
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EGL_NO_SURFACE, EGL_NO_CONTEXT);
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if (!eglMakeCurrent(glamor_ctx->display,
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EGL_NO_SURFACE, EGL_NO_SURFACE,
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glamor_ctx->ctx))
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FatalError("Failed to make EGL context current\n");
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}
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void
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xwl_glamor_egl_make_current(struct xwl_screen *xwl_screen)
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{
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if (lastGLContext == xwl_screen->glamor_ctx)
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return;
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lastGLContext = xwl_screen->glamor_ctx;
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xwl_screen->glamor_ctx->make_current(xwl_screen->glamor_ctx);
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}
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void
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glamor_egl_screen_init(ScreenPtr screen, struct glamor_context *glamor_ctx)
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{
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struct xwl_screen *xwl_screen = xwl_screen_get(screen);
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glamor_enable_dri3(screen);
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glamor_ctx->ctx = xwl_screen->egl_context;
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glamor_ctx->display = xwl_screen->egl_display;
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glamor_ctx->make_current = glamor_egl_make_current;
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xwl_screen->glamor_ctx = glamor_ctx;
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}
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Bool
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xwl_glamor_check_flip(PixmapPtr pixmap)
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{
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struct xwl_screen *xwl_screen = xwl_screen_get(pixmap->drawable.pScreen);
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if (!xwl_glamor_pixmap_get_wl_buffer(pixmap))
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return FALSE;
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if (xwl_screen->egl_backend->check_flip)
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return xwl_screen->egl_backend->check_flip(pixmap);
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return TRUE;
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}
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Bool
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xwl_glamor_is_modifier_supported(struct xwl_screen *xwl_screen,
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uint32_t format, uint64_t modifier)
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{
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struct xwl_format *xwl_format = NULL;
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int i;
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for (i = 0; i < xwl_screen->num_formats; i++) {
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if (xwl_screen->formats[i].format == format) {
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xwl_format = &xwl_screen->formats[i];
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break;
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}
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}
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if (xwl_format) {
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for (i = 0; i < xwl_format->num_modifiers; i++) {
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if (xwl_format->modifiers[i] == modifier) {
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return TRUE;
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}
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}
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}
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return FALSE;
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}
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uint32_t
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wl_drm_format_for_depth(int depth)
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{
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switch (depth) {
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case 15:
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return WL_DRM_FORMAT_XRGB1555;
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case 16:
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return WL_DRM_FORMAT_RGB565;
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case 24:
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return WL_DRM_FORMAT_XRGB8888;
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case 30:
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return WL_DRM_FORMAT_ARGB2101010;
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default:
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ErrorF("unexpected depth: %d\n", depth);
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case 32:
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return WL_DRM_FORMAT_ARGB8888;
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}
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}
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Bool
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xwl_glamor_get_formats(ScreenPtr screen,
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CARD32 *num_formats, CARD32 **formats)
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{
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struct xwl_screen *xwl_screen = xwl_screen_get(screen);
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int i;
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/* Explicitly zero the count as the caller may ignore the return value */
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*num_formats = 0;
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if (!xwl_screen->dmabuf)
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return FALSE;
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if (xwl_screen->num_formats == 0)
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return TRUE;
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*formats = calloc(xwl_screen->num_formats, sizeof(CARD32));
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if (*formats == NULL)
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return FALSE;
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for (i = 0; i < xwl_screen->num_formats; i++)
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(*formats)[i] = xwl_screen->formats[i].format;
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*num_formats = xwl_screen->num_formats;
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return TRUE;
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}
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Bool
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xwl_glamor_get_modifiers(ScreenPtr screen, uint32_t format,
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uint32_t *num_modifiers, uint64_t **modifiers)
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{
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struct xwl_screen *xwl_screen = xwl_screen_get(screen);
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struct xwl_format *xwl_format = NULL;
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int i;
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/* Explicitly zero the count as the caller may ignore the return value */
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*num_modifiers = 0;
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if (!xwl_screen->dmabuf)
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return FALSE;
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if (xwl_screen->num_formats == 0)
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return TRUE;
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for (i = 0; i < xwl_screen->num_formats; i++) {
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if (xwl_screen->formats[i].format == format) {
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xwl_format = &xwl_screen->formats[i];
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break;
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}
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}
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if (!xwl_format ||
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(xwl_format->num_modifiers == 1 &&
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xwl_format->modifiers[0] == DRM_FORMAT_MOD_INVALID))
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return FALSE;
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*modifiers = calloc(xwl_format->num_modifiers, sizeof(uint64_t));
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if (*modifiers == NULL)
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return FALSE;
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for (i = 0; i < xwl_format->num_modifiers; i++)
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(*modifiers)[i] = xwl_format->modifiers[i];
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*num_modifiers = xwl_format->num_modifiers;
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return TRUE;
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}
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static void
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xwl_dmabuf_handle_format(void *data, struct zwp_linux_dmabuf_v1 *dmabuf,
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uint32_t format)
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{
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}
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static void
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xwl_dmabuf_handle_modifier(void *data, struct zwp_linux_dmabuf_v1 *dmabuf,
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uint32_t format, uint32_t modifier_hi,
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uint32_t modifier_lo)
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{
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struct xwl_screen *xwl_screen = data;
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struct xwl_format *xwl_format = NULL;
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int i;
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for (i = 0; i < xwl_screen->num_formats; i++) {
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if (xwl_screen->formats[i].format == format) {
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xwl_format = &xwl_screen->formats[i];
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break;
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}
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}
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if (xwl_format == NULL) {
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xwl_screen->num_formats++;
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xwl_screen->formats = realloc(xwl_screen->formats,
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xwl_screen->num_formats * sizeof(*xwl_format));
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if (!xwl_screen->formats)
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return;
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xwl_format = &xwl_screen->formats[xwl_screen->num_formats - 1];
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xwl_format->format = format;
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xwl_format->num_modifiers = 0;
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xwl_format->modifiers = NULL;
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}
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xwl_format->num_modifiers++;
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xwl_format->modifiers = realloc(xwl_format->modifiers,
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xwl_format->num_modifiers * sizeof(uint64_t));
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if (!xwl_format->modifiers)
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return;
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xwl_format->modifiers[xwl_format->num_modifiers - 1] = (uint64_t) modifier_lo;
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xwl_format->modifiers[xwl_format->num_modifiers - 1] |= (uint64_t) modifier_hi << 32;
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}
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static const struct zwp_linux_dmabuf_v1_listener xwl_dmabuf_listener = {
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.format = xwl_dmabuf_handle_format,
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.modifier = xwl_dmabuf_handle_modifier
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};
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Bool
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xwl_screen_set_dmabuf_interface(struct xwl_screen *xwl_screen,
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uint32_t id, uint32_t version)
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{
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if (version < 3)
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return FALSE;
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xwl_screen->dmabuf =
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wl_registry_bind(xwl_screen->registry, id, &zwp_linux_dmabuf_v1_interface, 3);
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zwp_linux_dmabuf_v1_add_listener(xwl_screen->dmabuf, &xwl_dmabuf_listener, xwl_screen);
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return TRUE;
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}
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void
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xwl_glamor_init_wl_registry(struct xwl_screen *xwl_screen,
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struct wl_registry *registry,
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uint32_t id, const char *interface,
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uint32_t version)
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{
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if (xwl_screen->gbm_backend.is_available &&
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xwl_screen->gbm_backend.init_wl_registry(xwl_screen,
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registry,
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id,
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interface,
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version)) {
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/* no-op */
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} else if (xwl_screen->eglstream_backend.is_available &&
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xwl_screen->eglstream_backend.init_wl_registry(xwl_screen,
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registry,
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id,
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interface,
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version)) {
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/* no-op */
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}
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}
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Bool
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xwl_glamor_has_wl_interfaces(struct xwl_screen *xwl_screen,
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struct xwl_egl_backend *xwl_egl_backend)
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{
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return xwl_egl_backend->has_wl_interfaces(xwl_screen);
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}
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struct wl_buffer *
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xwl_glamor_pixmap_get_wl_buffer(PixmapPtr pixmap)
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{
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struct xwl_screen *xwl_screen = xwl_screen_get(pixmap->drawable.pScreen);
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if (xwl_screen->egl_backend->get_wl_buffer_for_pixmap)
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return xwl_screen->egl_backend->get_wl_buffer_for_pixmap(pixmap);
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return NULL;
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}
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Bool
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xwl_glamor_post_damage(struct xwl_window *xwl_window,
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PixmapPtr pixmap, RegionPtr region)
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{
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struct xwl_screen *xwl_screen = xwl_window->xwl_screen;
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if (xwl_screen->egl_backend->post_damage)
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return xwl_screen->egl_backend->post_damage(xwl_window, pixmap, region);
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return TRUE;
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}
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Bool
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xwl_glamor_allow_commits(struct xwl_window *xwl_window)
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{
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struct xwl_screen *xwl_screen = xwl_window->xwl_screen;
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if (xwl_screen->egl_backend->allow_commits)
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return xwl_screen->egl_backend->allow_commits(xwl_window);
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else
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return TRUE;
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}
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static Bool
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xwl_glamor_create_screen_resources(ScreenPtr screen)
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{
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struct xwl_screen *xwl_screen = xwl_screen_get(screen);
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int ret;
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screen->CreateScreenResources = xwl_screen->CreateScreenResources;
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ret = (*screen->CreateScreenResources) (screen);
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xwl_screen->CreateScreenResources = screen->CreateScreenResources;
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screen->CreateScreenResources = xwl_glamor_create_screen_resources;
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if (!ret)
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return ret;
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if (xwl_screen->rootless) {
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screen->devPrivate =
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fbCreatePixmap(screen, 0, 0, screen->rootDepth, 0);
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}
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else {
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screen->devPrivate = screen->CreatePixmap(
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screen, screen->width, screen->height, screen->rootDepth,
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CREATE_PIXMAP_USAGE_BACKING_PIXMAP);
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}
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SetRootClip(screen, xwl_screen->root_clip_mode);
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return screen->devPrivate != NULL;
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}
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int
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glamor_egl_fd_name_from_pixmap(ScreenPtr screen,
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PixmapPtr pixmap,
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CARD16 *stride, CARD32 *size)
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{
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return 0;
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}
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Bool
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xwl_glamor_needs_buffer_flush(struct xwl_screen *xwl_screen)
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{
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if (!xwl_screen->glamor || !xwl_screen->egl_backend)
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return FALSE;
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return (xwl_screen->egl_backend->backend_flags &
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XWL_EGL_BACKEND_NEEDS_BUFFER_FLUSH);
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}
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Bool
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xwl_glamor_needs_n_buffering(struct xwl_screen *xwl_screen)
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{
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/* wl_shm benefits from n-buffering */
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if (!xwl_screen->glamor || !xwl_screen->egl_backend)
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return TRUE;
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return (xwl_screen->egl_backend->backend_flags &
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XWL_EGL_BACKEND_NEEDS_N_BUFFERING);
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}
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void
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xwl_glamor_init_backends(struct xwl_screen *xwl_screen, Bool use_eglstream)
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{
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#ifdef GLAMOR_HAS_GBM
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xwl_glamor_init_gbm(xwl_screen);
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if (!xwl_screen->gbm_backend.is_available && !use_eglstream)
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ErrorF("xwayland glamor: GBM backend (default) is not available\n");
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#endif
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#ifdef XWL_HAS_EGLSTREAM
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xwl_glamor_init_eglstream(xwl_screen);
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if (!xwl_screen->eglstream_backend.is_available && use_eglstream)
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ErrorF("xwayland glamor: EGLStream backend requested but not available\n");
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#endif
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}
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static Bool
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xwl_glamor_select_gbm_backend(struct xwl_screen *xwl_screen)
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{
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#ifdef GLAMOR_HAS_GBM
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if (xwl_screen->gbm_backend.is_available &&
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xwl_glamor_has_wl_interfaces(xwl_screen, &xwl_screen->gbm_backend)) {
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xwl_screen->egl_backend = &xwl_screen->gbm_backend;
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return TRUE;
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}
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else
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ErrorF("Missing Wayland requirements for glamor GBM backend\n");
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#endif
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return FALSE;
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}
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static Bool
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xwl_glamor_select_eglstream_backend(struct xwl_screen *xwl_screen)
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{
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#ifdef XWL_HAS_EGLSTREAM
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if (xwl_screen->eglstream_backend.is_available &&
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xwl_glamor_has_wl_interfaces(xwl_screen, &xwl_screen->eglstream_backend)) {
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xwl_screen->egl_backend = &xwl_screen->eglstream_backend;
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return TRUE;
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}
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else
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ErrorF("Missing Wayland requirements for glamor EGLStream backend\n");
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#endif
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return FALSE;
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}
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void
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xwl_glamor_select_backend(struct xwl_screen *xwl_screen, Bool use_eglstream)
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{
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if (use_eglstream) {
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if (!xwl_glamor_select_eglstream_backend(xwl_screen))
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xwl_glamor_select_gbm_backend(xwl_screen);
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}
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else {
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if (!xwl_glamor_select_gbm_backend(xwl_screen))
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xwl_glamor_select_eglstream_backend(xwl_screen);
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}
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}
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Bool
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xwl_glamor_init(struct xwl_screen *xwl_screen)
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{
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ScreenPtr screen = xwl_screen->screen;
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const char *no_glamor_env;
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no_glamor_env = getenv("XWAYLAND_NO_GLAMOR");
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if (no_glamor_env && *no_glamor_env != '0') {
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ErrorF("Disabling glamor and dri3 support, XWAYLAND_NO_GLAMOR is set\n");
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return FALSE;
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}
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if (!xwl_screen->egl_backend->init_egl(xwl_screen)) {
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ErrorF("EGL setup failed, disabling glamor\n");
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return FALSE;
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}
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if (!glamor_init(xwl_screen->screen, GLAMOR_USE_EGL_SCREEN)) {
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ErrorF("Failed to initialize glamor\n");
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return FALSE;
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}
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if (!xwl_screen->egl_backend->init_screen(xwl_screen)) {
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ErrorF("EGL backend init_screen() failed, disabling glamor\n");
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return FALSE;
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}
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xwl_screen->CreateScreenResources = screen->CreateScreenResources;
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screen->CreateScreenResources = xwl_glamor_create_screen_resources;
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#ifdef XV
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if (!xwl_glamor_xv_init(screen))
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ErrorF("Failed to initialize glamor Xv extension\n");
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#endif
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#ifdef GLXEXT
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GlxPushProvider(&glamor_provider);
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#endif
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return TRUE;
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}
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