Subversion Repositories Kolibri OS

Compare Revisions

Regard whitespace Rev 4357 → Rev 4358

/contrib/sdk/sources/Mesa/src/gallium/state_trackers/egl/x11/native_dri2.c
0,0 → 1,955
/*
* Mesa 3-D graphics library
*
* Copyright (C) 2009-2010 Chia-I Wu <olv@0xlab.org>
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
 
#include "util/u_memory.h"
#include "util/u_math.h"
#include "util/u_format.h"
#include "util/u_inlines.h"
#include "util/u_hash_table.h"
#include "pipe/p_compiler.h"
#include "pipe/p_screen.h"
#include "pipe/p_context.h"
#include "pipe/p_state.h"
#include "state_tracker/drm_driver.h"
#include "egllog.h"
 
#include "native_x11.h"
#include "x11_screen.h"
 
#include "common/native_helper.h"
#ifdef HAVE_WAYLAND_BACKEND
#include "common/native_wayland_drm_bufmgr_helper.h"
#endif
 
#ifdef GLX_DIRECT_RENDERING
 
struct dri2_display {
struct native_display base;
Display *dpy;
boolean own_dpy;
 
const struct native_event_handler *event_handler;
 
struct x11_screen *xscr;
int xscr_number;
const char *dri_driver;
int dri_major, dri_minor;
 
struct dri2_config *configs;
int num_configs;
 
struct util_hash_table *surfaces;
#ifdef HAVE_WAYLAND_BACKEND
struct wl_drm *wl_server_drm; /* for EGL_WL_bind_wayland_display */
#endif
};
 
struct dri2_surface {
struct native_surface base;
Drawable drawable;
enum pipe_format color_format;
struct dri2_display *dri2dpy;
 
unsigned int server_stamp;
unsigned int client_stamp;
int width, height;
struct pipe_resource *textures[NUM_NATIVE_ATTACHMENTS];
uint valid_mask;
 
boolean have_back, have_fake;
 
struct x11_drawable_buffer *last_xbufs;
int last_num_xbufs;
};
 
struct dri2_config {
struct native_config base;
};
 
static INLINE struct dri2_display *
dri2_display(const struct native_display *ndpy)
{
return (struct dri2_display *) ndpy;
}
 
static INLINE struct dri2_surface *
dri2_surface(const struct native_surface *nsurf)
{
return (struct dri2_surface *) nsurf;
}
 
static INLINE struct dri2_config *
dri2_config(const struct native_config *nconf)
{
return (struct dri2_config *) nconf;
}
 
/**
* Process the buffers returned by the server.
*/
static void
dri2_surface_process_drawable_buffers(struct native_surface *nsurf,
struct x11_drawable_buffer *xbufs,
int num_xbufs)
{
struct dri2_surface *dri2surf = dri2_surface(nsurf);
struct dri2_display *dri2dpy = dri2surf->dri2dpy;
struct pipe_resource templ;
struct winsys_handle whandle;
uint valid_mask;
int i;
 
/* free the old textures */
for (i = 0; i < NUM_NATIVE_ATTACHMENTS; i++)
pipe_resource_reference(&dri2surf->textures[i], NULL);
dri2surf->valid_mask = 0x0;
 
dri2surf->have_back = FALSE;
dri2surf->have_fake = FALSE;
 
if (!xbufs)
return;
 
memset(&templ, 0, sizeof(templ));
templ.target = PIPE_TEXTURE_2D;
templ.last_level = 0;
templ.width0 = dri2surf->width;
templ.height0 = dri2surf->height;
templ.depth0 = 1;
templ.array_size = 1;
templ.format = dri2surf->color_format;
templ.bind = PIPE_BIND_RENDER_TARGET;
 
valid_mask = 0x0;
for (i = 0; i < num_xbufs; i++) {
struct x11_drawable_buffer *xbuf = &xbufs[i];
const char *desc;
enum native_attachment natt;
 
switch (xbuf->attachment) {
case DRI2BufferFrontLeft:
natt = NATIVE_ATTACHMENT_FRONT_LEFT;
desc = "DRI2 Front Buffer";
break;
case DRI2BufferFakeFrontLeft:
natt = NATIVE_ATTACHMENT_FRONT_LEFT;
desc = "DRI2 Fake Front Buffer";
dri2surf->have_fake = TRUE;
break;
case DRI2BufferBackLeft:
natt = NATIVE_ATTACHMENT_BACK_LEFT;
desc = "DRI2 Back Buffer";
dri2surf->have_back = TRUE;
break;
default:
desc = NULL;
break;
}
 
if (!desc || dri2surf->textures[natt]) {
if (!desc)
_eglLog(_EGL_WARNING, "unknown buffer %d", xbuf->attachment);
else
_eglLog(_EGL_WARNING, "both real and fake front buffers are listed");
continue;
}
 
memset(&whandle, 0, sizeof(whandle));
whandle.stride = xbuf->pitch;
whandle.handle = xbuf->name;
dri2surf->textures[natt] = dri2dpy->base.screen->resource_from_handle(
dri2dpy->base.screen, &templ, &whandle);
if (dri2surf->textures[natt])
valid_mask |= 1 << natt;
}
 
dri2surf->valid_mask = valid_mask;
}
 
/**
* Get the buffers from the server.
*/
static void
dri2_surface_get_buffers(struct native_surface *nsurf, uint buffer_mask)
{
struct dri2_surface *dri2surf = dri2_surface(nsurf);
struct dri2_display *dri2dpy = dri2surf->dri2dpy;
unsigned int dri2atts[NUM_NATIVE_ATTACHMENTS * 2];
int num_ins, num_outs, att;
struct x11_drawable_buffer *xbufs;
uint bpp = util_format_get_blocksizebits(dri2surf->color_format);
boolean with_format = FALSE; /* never ask for depth/stencil */
 
/* We must get the front on servers which doesn't support with format
* due to a silly bug in core dri2. You can't copy to/from a buffer
* that you haven't requested and you recive BadValue errors */
if (dri2surf->dri2dpy->dri_minor < 1) {
with_format = FALSE;
buffer_mask |= (1 << NATIVE_ATTACHMENT_FRONT_LEFT);
}
 
/* prepare the attachments */
num_ins = 0;
for (att = 0; att < NUM_NATIVE_ATTACHMENTS; att++) {
if (native_attachment_mask_test(buffer_mask, att)) {
unsigned int dri2att;
 
switch (att) {
case NATIVE_ATTACHMENT_FRONT_LEFT:
dri2att = DRI2BufferFrontLeft;
break;
case NATIVE_ATTACHMENT_BACK_LEFT:
dri2att = DRI2BufferBackLeft;
break;
case NATIVE_ATTACHMENT_FRONT_RIGHT:
dri2att = DRI2BufferFrontRight;
break;
case NATIVE_ATTACHMENT_BACK_RIGHT:
dri2att = DRI2BufferBackRight;
break;
default:
assert(0);
dri2att = 0;
break;
}
 
dri2atts[num_ins++] = dri2att;
if (with_format)
dri2atts[num_ins++] = bpp;
}
}
if (with_format)
num_ins /= 2;
 
xbufs = x11_drawable_get_buffers(dri2dpy->xscr, dri2surf->drawable,
&dri2surf->width, &dri2surf->height,
dri2atts, with_format, num_ins, &num_outs);
 
/* we should be able to do better... */
if (xbufs && dri2surf->last_num_xbufs == num_outs &&
memcmp(dri2surf->last_xbufs, xbufs, sizeof(*xbufs) * num_outs) == 0) {
FREE(xbufs);
dri2surf->client_stamp = dri2surf->server_stamp;
return;
}
 
dri2_surface_process_drawable_buffers(&dri2surf->base, xbufs, num_outs);
 
dri2surf->server_stamp++;
dri2surf->client_stamp = dri2surf->server_stamp;
 
FREE(dri2surf->last_xbufs);
dri2surf->last_xbufs = xbufs;
dri2surf->last_num_xbufs = num_outs;
}
 
/**
* Update the buffers of the surface. This is a slow function due to the
* round-trip to the server.
*/
static boolean
dri2_surface_update_buffers(struct native_surface *nsurf, uint buffer_mask)
{
struct dri2_surface *dri2surf = dri2_surface(nsurf);
 
dri2_surface_get_buffers(&dri2surf->base, buffer_mask);
 
return ((dri2surf->valid_mask & buffer_mask) == buffer_mask);
}
 
/**
* Return TRUE if the surface receives DRI2_InvalidateBuffers events.
*/
static INLINE boolean
dri2_surface_receive_events(struct native_surface *nsurf)
{
struct dri2_surface *dri2surf = dri2_surface(nsurf);
return (dri2surf->dri2dpy->dri_minor >= 3);
}
 
static boolean
dri2_surface_flush_frontbuffer(struct native_surface *nsurf)
{
struct dri2_surface *dri2surf = dri2_surface(nsurf);
struct dri2_display *dri2dpy = dri2surf->dri2dpy;
 
/* copy to real front buffer */
if (dri2surf->have_fake)
x11_drawable_copy_buffers(dri2dpy->xscr, dri2surf->drawable,
0, 0, dri2surf->width, dri2surf->height,
DRI2BufferFakeFrontLeft, DRI2BufferFrontLeft);
 
/* force buffers to be updated in next validation call */
if (!dri2_surface_receive_events(&dri2surf->base)) {
dri2surf->server_stamp++;
dri2dpy->event_handler->invalid_surface(&dri2dpy->base,
&dri2surf->base, dri2surf->server_stamp);
}
 
return TRUE;
}
 
static boolean
dri2_surface_swap_buffers(struct native_surface *nsurf, int num_rects,
const int *rects)
{
struct dri2_surface *dri2surf = dri2_surface(nsurf);
struct dri2_display *dri2dpy = dri2surf->dri2dpy;
 
/* copy to front buffer */
if (dri2surf->have_back) {
if (num_rects > 0)
x11_drawable_copy_buffers_region(dri2dpy->xscr, dri2surf->drawable,
num_rects, rects,
DRI2BufferBackLeft, DRI2BufferFrontLeft);
else
x11_drawable_copy_buffers(dri2dpy->xscr, dri2surf->drawable,
0, 0, dri2surf->width, dri2surf->height,
DRI2BufferBackLeft, DRI2BufferFrontLeft);
}
 
/* and update fake front buffer */
if (dri2surf->have_fake) {
if (num_rects > 0)
x11_drawable_copy_buffers_region(dri2dpy->xscr, dri2surf->drawable,
num_rects, rects,
DRI2BufferFrontLeft, DRI2BufferFakeFrontLeft);
else
x11_drawable_copy_buffers(dri2dpy->xscr, dri2surf->drawable,
0, 0, dri2surf->width, dri2surf->height,
DRI2BufferFrontLeft, DRI2BufferFakeFrontLeft);
}
 
/* force buffers to be updated in next validation call */
if (!dri2_surface_receive_events(&dri2surf->base)) {
dri2surf->server_stamp++;
dri2dpy->event_handler->invalid_surface(&dri2dpy->base,
&dri2surf->base, dri2surf->server_stamp);
}
 
return TRUE;
}
 
static boolean
dri2_surface_present(struct native_surface *nsurf,
const struct native_present_control *ctrl)
{
boolean ret;
 
if (ctrl->swap_interval)
return FALSE;
 
switch (ctrl->natt) {
case NATIVE_ATTACHMENT_FRONT_LEFT:
ret = dri2_surface_flush_frontbuffer(nsurf);
break;
case NATIVE_ATTACHMENT_BACK_LEFT:
ret = dri2_surface_swap_buffers(nsurf, ctrl->num_rects, ctrl->rects);
break;
default:
ret = FALSE;
break;
}
 
return ret;
}
 
static boolean
dri2_surface_validate(struct native_surface *nsurf, uint attachment_mask,
unsigned int *seq_num, struct pipe_resource **textures,
int *width, int *height)
{
struct dri2_surface *dri2surf = dri2_surface(nsurf);
 
if (dri2surf->server_stamp != dri2surf->client_stamp ||
(dri2surf->valid_mask & attachment_mask) != attachment_mask) {
if (!dri2_surface_update_buffers(&dri2surf->base, attachment_mask))
return FALSE;
}
 
if (seq_num)
*seq_num = dri2surf->client_stamp;
 
if (textures) {
int att;
for (att = 0; att < NUM_NATIVE_ATTACHMENTS; att++) {
if (native_attachment_mask_test(attachment_mask, att)) {
struct pipe_resource *ptex = dri2surf->textures[att];
 
textures[att] = NULL;
pipe_resource_reference(&textures[att], ptex);
}
}
}
 
if (width)
*width = dri2surf->width;
if (height)
*height = dri2surf->height;
 
return TRUE;
}
 
static void
dri2_surface_wait(struct native_surface *nsurf)
{
struct dri2_surface *dri2surf = dri2_surface(nsurf);
struct dri2_display *dri2dpy = dri2surf->dri2dpy;
 
if (dri2surf->have_fake) {
x11_drawable_copy_buffers(dri2dpy->xscr, dri2surf->drawable,
0, 0, dri2surf->width, dri2surf->height,
DRI2BufferFrontLeft, DRI2BufferFakeFrontLeft);
}
}
 
static void
dri2_surface_destroy(struct native_surface *nsurf)
{
struct dri2_surface *dri2surf = dri2_surface(nsurf);
int i;
 
FREE(dri2surf->last_xbufs);
 
for (i = 0; i < NUM_NATIVE_ATTACHMENTS; i++) {
struct pipe_resource *ptex = dri2surf->textures[i];
pipe_resource_reference(&ptex, NULL);
}
 
if (dri2surf->drawable) {
x11_drawable_enable_dri2(dri2surf->dri2dpy->xscr,
dri2surf->drawable, FALSE);
 
util_hash_table_remove(dri2surf->dri2dpy->surfaces,
(void *) dri2surf->drawable);
}
FREE(dri2surf);
}
 
static struct dri2_surface *
dri2_display_create_surface(struct native_display *ndpy,
Drawable drawable,
enum pipe_format color_format)
{
struct dri2_display *dri2dpy = dri2_display(ndpy);
struct dri2_surface *dri2surf;
 
dri2surf = CALLOC_STRUCT(dri2_surface);
if (!dri2surf)
return NULL;
 
dri2surf->dri2dpy = dri2dpy;
dri2surf->drawable = drawable;
dri2surf->color_format = color_format;
 
dri2surf->base.destroy = dri2_surface_destroy;
dri2surf->base.present = dri2_surface_present;
dri2surf->base.validate = dri2_surface_validate;
dri2surf->base.wait = dri2_surface_wait;
 
if (drawable) {
x11_drawable_enable_dri2(dri2dpy->xscr, drawable, TRUE);
/* initialize the geometry */
dri2_surface_update_buffers(&dri2surf->base, 0x0);
 
util_hash_table_set(dri2surf->dri2dpy->surfaces,
(void *) dri2surf->drawable, (void *) &dri2surf->base);
}
 
return dri2surf;
}
 
static struct native_surface *
dri2_display_create_window_surface(struct native_display *ndpy,
EGLNativeWindowType win,
const struct native_config *nconf)
{
struct dri2_surface *dri2surf;
 
dri2surf = dri2_display_create_surface(ndpy,
(Drawable) win, nconf->color_format);
return (dri2surf) ? &dri2surf->base : NULL;
}
 
static struct native_surface *
dri2_display_create_pixmap_surface(struct native_display *ndpy,
EGLNativePixmapType pix,
const struct native_config *nconf)
{
struct dri2_surface *dri2surf;
 
if (!nconf) {
struct dri2_display *dri2dpy = dri2_display(ndpy);
uint depth, nconf_depth;
int i;
 
depth = x11_drawable_get_depth(dri2dpy->xscr, (Drawable) pix);
for (i = 0; i < dri2dpy->num_configs; i++) {
nconf_depth = util_format_get_blocksizebits(
dri2dpy->configs[i].base.color_format);
/* simple depth match for now */
if (depth == nconf_depth ||
(depth == 24 && depth + 8 == nconf_depth)) {
nconf = &dri2dpy->configs[i].base;
break;
}
}
 
if (!nconf)
return NULL;
}
 
dri2surf = dri2_display_create_surface(ndpy,
(Drawable) pix, nconf->color_format);
return (dri2surf) ? &dri2surf->base : NULL;
}
 
static int
choose_color_format(const __GLcontextModes *mode, enum pipe_format formats[32])
{
int count = 0;
 
switch (mode->rgbBits) {
case 32:
formats[count++] = PIPE_FORMAT_B8G8R8A8_UNORM;
formats[count++] = PIPE_FORMAT_A8R8G8B8_UNORM;
break;
case 24:
formats[count++] = PIPE_FORMAT_B8G8R8X8_UNORM;
formats[count++] = PIPE_FORMAT_X8R8G8B8_UNORM;
formats[count++] = PIPE_FORMAT_B8G8R8A8_UNORM;
formats[count++] = PIPE_FORMAT_A8R8G8B8_UNORM;
break;
case 16:
formats[count++] = PIPE_FORMAT_B5G6R5_UNORM;
break;
default:
break;
}
 
return count;
}
 
static boolean
is_format_supported(struct pipe_screen *screen,
enum pipe_format fmt, unsigned sample_count, boolean is_color)
{
return screen->is_format_supported(screen, fmt, PIPE_TEXTURE_2D, sample_count,
(is_color) ? PIPE_BIND_RENDER_TARGET :
PIPE_BIND_DEPTH_STENCIL);
}
 
static boolean
dri2_display_convert_config(struct native_display *ndpy,
const __GLcontextModes *mode,
struct native_config *nconf)
{
enum pipe_format formats[32];
int num_formats, i;
int sample_count = 0;
 
if (!(mode->renderType & GLX_RGBA_BIT) || !mode->rgbMode)
return FALSE;
 
/* only interested in native renderable configs */
if (!mode->xRenderable || !mode->drawableType)
return FALSE;
 
/* fast/slow configs are probably not relevant */
if (mode->visualRating == GLX_SLOW_CONFIG)
return FALSE;
 
nconf->buffer_mask = 1 << NATIVE_ATTACHMENT_FRONT_LEFT;
if (mode->doubleBufferMode)
nconf->buffer_mask |= 1 << NATIVE_ATTACHMENT_BACK_LEFT;
if (mode->stereoMode) {
nconf->buffer_mask |= 1 << NATIVE_ATTACHMENT_FRONT_RIGHT;
if (mode->doubleBufferMode)
nconf->buffer_mask |= 1 << NATIVE_ATTACHMENT_BACK_RIGHT;
}
 
/* choose color format */
num_formats = choose_color_format(mode, formats);
for (i = 0; i < num_formats; i++) {
if (is_format_supported(ndpy->screen, formats[i], sample_count, TRUE)) {
nconf->color_format = formats[i];
break;
}
}
if (nconf->color_format == PIPE_FORMAT_NONE)
return FALSE;
 
if ((mode->drawableType & GLX_WINDOW_BIT) && mode->visualID)
nconf->window_bit = TRUE;
if (mode->drawableType & GLX_PIXMAP_BIT)
nconf->pixmap_bit = TRUE;
 
nconf->native_visual_id = mode->visualID;
switch (mode->visualType) {
case GLX_TRUE_COLOR:
nconf->native_visual_type = TrueColor;
break;
case GLX_DIRECT_COLOR:
nconf->native_visual_type = DirectColor;
break;
case GLX_PSEUDO_COLOR:
nconf->native_visual_type = PseudoColor;
break;
case GLX_STATIC_COLOR:
nconf->native_visual_type = StaticColor;
break;
case GLX_GRAY_SCALE:
nconf->native_visual_type = GrayScale;
break;
case GLX_STATIC_GRAY:
nconf->native_visual_type = StaticGray;
break;
}
nconf->level = mode->level;
 
if (mode->transparentPixel == GLX_TRANSPARENT_RGB) {
nconf->transparent_rgb = TRUE;
nconf->transparent_rgb_values[0] = mode->transparentRed;
nconf->transparent_rgb_values[1] = mode->transparentGreen;
nconf->transparent_rgb_values[2] = mode->transparentBlue;
}
 
return TRUE;
}
 
static const struct native_config **
dri2_display_get_configs(struct native_display *ndpy, int *num_configs)
{
struct dri2_display *dri2dpy = dri2_display(ndpy);
const struct native_config **configs;
int i;
 
/* first time */
if (!dri2dpy->configs) {
const __GLcontextModes *modes;
int num_modes, count;
 
modes = x11_screen_get_glx_configs(dri2dpy->xscr);
if (!modes)
return NULL;
num_modes = x11_context_modes_count(modes);
 
dri2dpy->configs = CALLOC(num_modes, sizeof(*dri2dpy->configs));
if (!dri2dpy->configs)
return NULL;
 
count = 0;
for (i = 0; i < num_modes; i++) {
struct native_config *nconf = &dri2dpy->configs[count].base;
 
if (dri2_display_convert_config(&dri2dpy->base, modes, nconf)) {
int j;
/* look for duplicates */
for (j = 0; j < count; j++) {
if (memcmp(&dri2dpy->configs[j], nconf, sizeof(*nconf)) == 0)
break;
}
if (j == count)
count++;
}
modes = modes->next;
}
 
dri2dpy->num_configs = count;
}
 
configs = MALLOC(dri2dpy->num_configs * sizeof(*configs));
if (configs) {
for (i = 0; i < dri2dpy->num_configs; i++)
configs[i] = (const struct native_config *) &dri2dpy->configs[i];
if (num_configs)
*num_configs = dri2dpy->num_configs;
}
 
return configs;
}
 
static boolean
dri2_display_get_pixmap_format(struct native_display *ndpy,
EGLNativePixmapType pix,
enum pipe_format *format)
{
struct dri2_display *dri2dpy = dri2_display(ndpy);
boolean ret = EGL_TRUE;
uint depth;
 
depth = x11_drawable_get_depth(dri2dpy->xscr, (Drawable) pix);
switch (depth) {
case 32:
case 24:
*format = PIPE_FORMAT_B8G8R8A8_UNORM;
break;
case 16:
*format = PIPE_FORMAT_B5G6R5_UNORM;
break;
default:
*format = PIPE_FORMAT_NONE;
ret = EGL_FALSE;
break;
}
 
return ret;
}
 
static int
dri2_display_get_param(struct native_display *ndpy,
enum native_param_type param)
{
int val;
 
switch (param) {
case NATIVE_PARAM_USE_NATIVE_BUFFER:
/* DRI2GetBuffers uses the native buffers */
val = TRUE;
break;
case NATIVE_PARAM_PRESERVE_BUFFER:
/* DRI2CopyRegion is used */
val = TRUE;
break;
case NATIVE_PARAM_PRESENT_REGION:
val = TRUE;
break;
case NATIVE_PARAM_MAX_SWAP_INTERVAL:
default:
val = 0;
break;
}
 
return val;
}
 
static void
dri2_display_destroy(struct native_display *ndpy)
{
struct dri2_display *dri2dpy = dri2_display(ndpy);
 
FREE(dri2dpy->configs);
 
if (dri2dpy->base.screen)
dri2dpy->base.screen->destroy(dri2dpy->base.screen);
 
if (dri2dpy->surfaces)
util_hash_table_destroy(dri2dpy->surfaces);
 
if (dri2dpy->xscr)
x11_screen_destroy(dri2dpy->xscr);
if (dri2dpy->own_dpy)
XCloseDisplay(dri2dpy->dpy);
FREE(dri2dpy);
}
 
static void
dri2_display_invalidate_buffers(struct x11_screen *xscr, Drawable drawable,
void *user_data)
{
struct native_display *ndpy = (struct native_display* ) user_data;
struct dri2_display *dri2dpy = dri2_display(ndpy);
struct native_surface *nsurf;
struct dri2_surface *dri2surf;
 
nsurf = (struct native_surface *)
util_hash_table_get(dri2dpy->surfaces, (void *) drawable);
if (!nsurf)
return;
 
dri2surf = dri2_surface(nsurf);
 
dri2surf->server_stamp++;
dri2dpy->event_handler->invalid_surface(&dri2dpy->base,
&dri2surf->base, dri2surf->server_stamp);
}
 
/**
* Initialize DRI2 and pipe screen.
*/
static boolean
dri2_display_init_screen(struct native_display *ndpy)
{
struct dri2_display *dri2dpy = dri2_display(ndpy);
int fd;
 
if (!x11_screen_support(dri2dpy->xscr, X11_SCREEN_EXTENSION_DRI2) ||
!x11_screen_support(dri2dpy->xscr, X11_SCREEN_EXTENSION_GLX)) {
_eglLog(_EGL_WARNING, "GLX/DRI2 is not supported");
return FALSE;
}
 
dri2dpy->dri_driver = x11_screen_probe_dri2(dri2dpy->xscr,
&dri2dpy->dri_major, &dri2dpy->dri_minor);
 
fd = x11_screen_enable_dri2(dri2dpy->xscr,
dri2_display_invalidate_buffers, &dri2dpy->base);
if (fd < 0)
return FALSE;
 
dri2dpy->base.screen =
dri2dpy->event_handler->new_drm_screen(&dri2dpy->base,
dri2dpy->dri_driver, fd);
if (!dri2dpy->base.screen) {
_eglLog(_EGL_DEBUG, "failed to create DRM screen");
return FALSE;
}
 
return TRUE;
}
 
static unsigned
dri2_display_hash_table_hash(void *key)
{
XID drawable = pointer_to_uintptr(key);
return (unsigned) drawable;
}
 
static int
dri2_display_hash_table_compare(void *key1, void *key2)
{
return ((char *) key1 - (char *) key2);
}
 
#ifdef HAVE_WAYLAND_BACKEND
 
static int
dri2_display_authenticate(void *user_data, uint32_t magic)
{
struct native_display *ndpy = user_data;
struct dri2_display *dri2dpy = dri2_display(ndpy);
 
return x11_screen_authenticate(dri2dpy->xscr, magic);
}
 
static struct wayland_drm_callbacks wl_drm_callbacks = {
dri2_display_authenticate,
egl_g3d_wl_drm_helper_reference_buffer,
egl_g3d_wl_drm_helper_unreference_buffer
};
 
static boolean
dri2_display_bind_wayland_display(struct native_display *ndpy,
struct wl_display *wl_dpy)
{
struct dri2_display *dri2dpy = dri2_display(ndpy);
 
if (dri2dpy->wl_server_drm)
return FALSE;
 
dri2dpy->wl_server_drm = wayland_drm_init(wl_dpy,
x11_screen_get_device_name(dri2dpy->xscr),
&wl_drm_callbacks, ndpy, 0);
 
if (!dri2dpy->wl_server_drm)
return FALSE;
return TRUE;
}
 
static boolean
dri2_display_unbind_wayland_display(struct native_display *ndpy,
struct wl_display *wl_dpy)
{
struct dri2_display *dri2dpy = dri2_display(ndpy);
 
if (!dri2dpy->wl_server_drm)
return FALSE;
 
wayland_drm_uninit(dri2dpy->wl_server_drm);
dri2dpy->wl_server_drm = NULL;
 
return TRUE;
}
 
static struct native_display_wayland_bufmgr dri2_display_wayland_bufmgr = {
dri2_display_bind_wayland_display,
dri2_display_unbind_wayland_display,
egl_g3d_wl_drm_common_wl_buffer_get_resource,
egl_g3d_wl_drm_common_query_buffer
};
 
#endif /* HAVE_WAYLAND_BACKEND */
 
struct native_display *
x11_create_dri2_display(Display *dpy,
const struct native_event_handler *event_handler)
{
struct dri2_display *dri2dpy;
 
dri2dpy = CALLOC_STRUCT(dri2_display);
if (!dri2dpy)
return NULL;
 
dri2dpy->event_handler = event_handler;
 
dri2dpy->dpy = dpy;
if (!dri2dpy->dpy) {
dri2dpy->dpy = XOpenDisplay(NULL);
if (!dri2dpy->dpy) {
dri2_display_destroy(&dri2dpy->base);
return NULL;
}
dri2dpy->own_dpy = TRUE;
}
 
dri2dpy->xscr_number = DefaultScreen(dri2dpy->dpy);
dri2dpy->xscr = x11_screen_create(dri2dpy->dpy, dri2dpy->xscr_number);
if (!dri2dpy->xscr) {
dri2_display_destroy(&dri2dpy->base);
return NULL;
}
 
dri2dpy->surfaces = util_hash_table_create(dri2_display_hash_table_hash,
dri2_display_hash_table_compare);
if (!dri2dpy->surfaces) {
dri2_display_destroy(&dri2dpy->base);
return NULL;
}
 
dri2dpy->base.init_screen = dri2_display_init_screen;
dri2dpy->base.destroy = dri2_display_destroy;
dri2dpy->base.get_param = dri2_display_get_param;
dri2dpy->base.get_configs = dri2_display_get_configs;
dri2dpy->base.get_pixmap_format = dri2_display_get_pixmap_format;
dri2dpy->base.copy_to_pixmap = native_display_copy_to_pixmap;
dri2dpy->base.create_window_surface = dri2_display_create_window_surface;
dri2dpy->base.create_pixmap_surface = dri2_display_create_pixmap_surface;
#ifdef HAVE_WAYLAND_BACKEND
dri2dpy->base.wayland_bufmgr = &dri2_display_wayland_bufmgr;
#endif
 
return &dri2dpy->base;
}
 
#else /* GLX_DIRECT_RENDERING */
 
struct native_display *
x11_create_dri2_display(Display *dpy,
const struct native_event_handler *event_handler)
{
return NULL;
}
 
#endif /* GLX_DIRECT_RENDERING */