0,0 → 1,1236 |
/* |
* Copyright © 2011 Intel Corporation |
* |
* 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 (including the next |
* paragraph) 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. |
* |
* Authors: |
* Kristian Høgsberg <krh@bitplanet.net> |
*/ |
|
#include <stdlib.h> |
#include <string.h> |
#include <stdio.h> |
#include <limits.h> |
#include <dlfcn.h> |
#include <fcntl.h> |
#include <errno.h> |
#include <unistd.h> |
#include <xf86drm.h> |
#include <sys/types.h> |
#include <sys/stat.h> |
|
#include "egl_dri2.h" |
|
/* From xmlpool/options.h, user exposed so should be stable */ |
#define DRI_CONF_VBLANK_NEVER 0 |
#define DRI_CONF_VBLANK_DEF_INTERVAL_0 1 |
#define DRI_CONF_VBLANK_DEF_INTERVAL_1 2 |
#define DRI_CONF_VBLANK_ALWAYS_SYNC 3 |
|
static void |
swrastCreateDrawable(struct dri2_egl_display * dri2_dpy, |
struct dri2_egl_surface * dri2_surf, |
int depth) |
{ |
uint32_t mask; |
const uint32_t function = GXcopy; |
uint32_t valgc[2]; |
|
/* create GC's */ |
dri2_surf->gc = xcb_generate_id(dri2_dpy->conn); |
mask = XCB_GC_FUNCTION; |
xcb_create_gc(dri2_dpy->conn, dri2_surf->gc, dri2_surf->drawable, mask, &function); |
|
dri2_surf->swapgc = xcb_generate_id(dri2_dpy->conn); |
mask = XCB_GC_FUNCTION | XCB_GC_GRAPHICS_EXPOSURES; |
valgc[0] = function; |
valgc[1] = False; |
xcb_create_gc(dri2_dpy->conn, dri2_surf->swapgc, dri2_surf->drawable, mask, valgc); |
dri2_surf->depth = depth; |
switch (depth) { |
case 32: |
case 24: |
dri2_surf->bytes_per_pixel = 4; |
break; |
case 16: |
dri2_surf->bytes_per_pixel = 2; |
break; |
case 8: |
dri2_surf->bytes_per_pixel = 1; |
break; |
case 0: |
dri2_surf->bytes_per_pixel = 0; |
break; |
default: |
_eglLog(_EGL_WARNING, "unsupported depth %d", depth); |
} |
} |
|
static void |
swrastDestroyDrawable(struct dri2_egl_display * dri2_dpy, |
struct dri2_egl_surface * dri2_surf) |
{ |
xcb_free_gc(dri2_dpy->conn, dri2_surf->gc); |
xcb_free_gc(dri2_dpy->conn, dri2_surf->swapgc); |
} |
|
static void |
swrastGetDrawableInfo(__DRIdrawable * draw, |
int *x, int *y, int *w, int *h, |
void *loaderPrivate) |
{ |
struct dri2_egl_surface *dri2_surf = loaderPrivate; |
struct dri2_egl_display *dri2_dpy = dri2_egl_display(dri2_surf->base.Resource.Display); |
|
xcb_get_geometry_cookie_t cookie; |
xcb_get_geometry_reply_t *reply; |
xcb_generic_error_t *error; |
|
*w = *h = 0; |
cookie = xcb_get_geometry (dri2_dpy->conn, dri2_surf->drawable); |
reply = xcb_get_geometry_reply (dri2_dpy->conn, cookie, &error); |
if (reply == NULL) |
return; |
|
if (error != NULL) { |
_eglLog(_EGL_WARNING, "error in xcb_get_geometry"); |
free(error); |
} else { |
*w = reply->width; |
*h = reply->height; |
} |
free(reply); |
} |
|
static void |
swrastPutImage(__DRIdrawable * draw, int op, |
int x, int y, int w, int h, |
char *data, void *loaderPrivate) |
{ |
struct dri2_egl_surface *dri2_surf = loaderPrivate; |
struct dri2_egl_display *dri2_dpy = dri2_egl_display(dri2_surf->base.Resource.Display); |
|
xcb_gcontext_t gc; |
|
switch (op) { |
case __DRI_SWRAST_IMAGE_OP_DRAW: |
gc = dri2_surf->gc; |
break; |
case __DRI_SWRAST_IMAGE_OP_SWAP: |
gc = dri2_surf->swapgc; |
break; |
default: |
return; |
} |
|
xcb_put_image(dri2_dpy->conn, XCB_IMAGE_FORMAT_Z_PIXMAP, dri2_surf->drawable, |
gc, w, h, x, y, 0, dri2_surf->depth, |
w*h*dri2_surf->bytes_per_pixel, (const uint8_t *)data); |
} |
|
static void |
swrastGetImage(__DRIdrawable * read, |
int x, int y, int w, int h, |
char *data, void *loaderPrivate) |
{ |
struct dri2_egl_surface *dri2_surf = loaderPrivate; |
struct dri2_egl_display *dri2_dpy = dri2_egl_display(dri2_surf->base.Resource.Display); |
|
xcb_get_image_cookie_t cookie; |
xcb_get_image_reply_t *reply; |
xcb_generic_error_t *error; |
|
cookie = xcb_get_image (dri2_dpy->conn, XCB_IMAGE_FORMAT_Z_PIXMAP, |
dri2_surf->drawable, x, y, w, h, ~0); |
reply = xcb_get_image_reply (dri2_dpy->conn, cookie, &error); |
if (reply == NULL) |
return; |
|
if (error != NULL) { |
_eglLog(_EGL_WARNING, "error in xcb_get_image"); |
free(error); |
} else { |
uint32_t bytes = xcb_get_image_data_length(reply); |
uint8_t *idata = xcb_get_image_data(reply); |
memcpy(data, idata, bytes); |
} |
free(reply); |
} |
|
|
/** |
* Called via eglCreateWindowSurface(), drv->API.CreateWindowSurface(). |
*/ |
static _EGLSurface * |
dri2_create_surface(_EGLDriver *drv, _EGLDisplay *disp, EGLint type, |
_EGLConfig *conf, EGLNativeWindowType native_window, |
const EGLint *attrib_list) |
{ |
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); |
struct dri2_egl_config *dri2_conf = dri2_egl_config(conf); |
struct dri2_egl_surface *dri2_surf; |
xcb_get_geometry_cookie_t cookie; |
xcb_get_geometry_reply_t *reply; |
xcb_screen_iterator_t s; |
xcb_generic_error_t *error; |
xcb_drawable_t window = (uintptr_t )native_window; |
|
(void) drv; |
|
dri2_surf = malloc(sizeof *dri2_surf); |
if (!dri2_surf) { |
_eglError(EGL_BAD_ALLOC, "dri2_create_surface"); |
return NULL; |
} |
|
if (!_eglInitSurface(&dri2_surf->base, disp, type, conf, attrib_list)) |
goto cleanup_surf; |
|
dri2_surf->region = XCB_NONE; |
if (type == EGL_PBUFFER_BIT) { |
dri2_surf->drawable = xcb_generate_id(dri2_dpy->conn); |
s = xcb_setup_roots_iterator(xcb_get_setup(dri2_dpy->conn)); |
xcb_create_pixmap(dri2_dpy->conn, conf->BufferSize, |
dri2_surf->drawable, s.data->root, |
dri2_surf->base.Width, dri2_surf->base.Height); |
} else { |
dri2_surf->drawable = window; |
} |
|
if (dri2_dpy->dri2) { |
dri2_surf->dri_drawable = |
(*dri2_dpy->dri2->createNewDrawable) (dri2_dpy->dri_screen, |
type == EGL_WINDOW_BIT ? |
dri2_conf->dri_double_config : |
dri2_conf->dri_single_config, |
dri2_surf); |
} else { |
assert(dri2_dpy->swrast); |
dri2_surf->dri_drawable = |
(*dri2_dpy->swrast->createNewDrawable) (dri2_dpy->dri_screen, |
dri2_conf->dri_double_config, |
dri2_surf); |
} |
|
if (dri2_surf->dri_drawable == NULL) { |
_eglError(EGL_BAD_ALLOC, "dri2->createNewDrawable"); |
goto cleanup_pixmap; |
} |
|
if (dri2_dpy->dri2) { |
xcb_dri2_create_drawable (dri2_dpy->conn, dri2_surf->drawable); |
} else { |
swrastCreateDrawable(dri2_dpy, dri2_surf, _eglGetConfigKey(conf, EGL_BUFFER_SIZE)); |
} |
|
if (type != EGL_PBUFFER_BIT) { |
cookie = xcb_get_geometry (dri2_dpy->conn, dri2_surf->drawable); |
reply = xcb_get_geometry_reply (dri2_dpy->conn, cookie, &error); |
if (reply == NULL || error != NULL) { |
_eglError(EGL_BAD_ALLOC, "xcb_get_geometry"); |
free(error); |
goto cleanup_dri_drawable; |
} |
|
dri2_surf->base.Width = reply->width; |
dri2_surf->base.Height = reply->height; |
free(reply); |
} |
|
/* we always copy the back buffer to front */ |
dri2_surf->base.PostSubBufferSupportedNV = EGL_TRUE; |
|
return &dri2_surf->base; |
|
cleanup_dri_drawable: |
dri2_dpy->core->destroyDrawable(dri2_surf->dri_drawable); |
cleanup_pixmap: |
if (type == EGL_PBUFFER_BIT) |
xcb_free_pixmap(dri2_dpy->conn, dri2_surf->drawable); |
cleanup_surf: |
free(dri2_surf); |
|
return NULL; |
} |
|
/** |
* Called via eglCreateWindowSurface(), drv->API.CreateWindowSurface(). |
*/ |
static _EGLSurface * |
dri2_create_window_surface(_EGLDriver *drv, _EGLDisplay *disp, |
_EGLConfig *conf, EGLNativeWindowType window, |
const EGLint *attrib_list) |
{ |
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); |
_EGLSurface *surf; |
|
surf = dri2_create_surface(drv, disp, EGL_WINDOW_BIT, conf, |
window, attrib_list); |
if (surf != NULL) { |
/* When we first create the DRI2 drawable, its swap interval on the |
* server side is 1. |
*/ |
surf->SwapInterval = 1; |
|
/* Override that with a driconf-set value. */ |
drv->API.SwapInterval(drv, disp, surf, dri2_dpy->default_swap_interval); |
} |
|
return surf; |
} |
|
static _EGLSurface * |
dri2_create_pixmap_surface(_EGLDriver *drv, _EGLDisplay *disp, |
_EGLConfig *conf, EGLNativePixmapType pixmap, |
const EGLint *attrib_list) |
{ |
return dri2_create_surface(drv, disp, EGL_PIXMAP_BIT, conf, |
pixmap, attrib_list); |
} |
|
static _EGLSurface * |
dri2_create_pbuffer_surface(_EGLDriver *drv, _EGLDisplay *disp, |
_EGLConfig *conf, const EGLint *attrib_list) |
{ |
return dri2_create_surface(drv, disp, EGL_PBUFFER_BIT, conf, |
XCB_WINDOW_NONE, attrib_list); |
} |
|
static EGLBoolean |
dri2_destroy_surface(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surf) |
{ |
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); |
struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surf); |
|
(void) drv; |
|
if (!_eglPutSurface(surf)) |
return EGL_TRUE; |
|
(*dri2_dpy->core->destroyDrawable)(dri2_surf->dri_drawable); |
|
if (dri2_dpy->dri2) { |
xcb_dri2_destroy_drawable (dri2_dpy->conn, dri2_surf->drawable); |
} else { |
assert(dri2_dpy->swrast); |
swrastDestroyDrawable(dri2_dpy, dri2_surf); |
} |
|
if (surf->Type == EGL_PBUFFER_BIT) |
xcb_free_pixmap (dri2_dpy->conn, dri2_surf->drawable); |
|
free(surf); |
|
return EGL_TRUE; |
} |
|
/** |
* Process list of buffer received from the server |
* |
* Processes the list of buffers received in a reply from the server to either |
* \c DRI2GetBuffers or \c DRI2GetBuffersWithFormat. |
*/ |
static void |
dri2_process_buffers(struct dri2_egl_surface *dri2_surf, |
xcb_dri2_dri2_buffer_t *buffers, unsigned count) |
{ |
struct dri2_egl_display *dri2_dpy = |
dri2_egl_display(dri2_surf->base.Resource.Display); |
xcb_rectangle_t rectangle; |
unsigned i; |
|
dri2_surf->buffer_count = count; |
dri2_surf->have_fake_front = 0; |
|
/* This assumes the DRI2 buffer attachment tokens matches the |
* __DRIbuffer tokens. */ |
for (i = 0; i < count; i++) { |
dri2_surf->buffers[i].attachment = buffers[i].attachment; |
dri2_surf->buffers[i].name = buffers[i].name; |
dri2_surf->buffers[i].pitch = buffers[i].pitch; |
dri2_surf->buffers[i].cpp = buffers[i].cpp; |
dri2_surf->buffers[i].flags = buffers[i].flags; |
|
/* We only use the DRI drivers single buffer configs. This |
* means that if we try to render to a window, DRI2 will give us |
* the fake front buffer, which we'll use as a back buffer. |
* Note that EGL doesn't require that several clients rendering |
* to the same window must see the same aux buffers. */ |
if (dri2_surf->buffers[i].attachment == __DRI_BUFFER_FAKE_FRONT_LEFT) |
dri2_surf->have_fake_front = 1; |
} |
|
if (dri2_surf->region != XCB_NONE) |
xcb_xfixes_destroy_region(dri2_dpy->conn, dri2_surf->region); |
|
rectangle.x = 0; |
rectangle.y = 0; |
rectangle.width = dri2_surf->base.Width; |
rectangle.height = dri2_surf->base.Height; |
dri2_surf->region = xcb_generate_id(dri2_dpy->conn); |
xcb_xfixes_create_region(dri2_dpy->conn, dri2_surf->region, 1, &rectangle); |
} |
|
static __DRIbuffer * |
dri2_get_buffers(__DRIdrawable * driDrawable, |
int *width, int *height, |
unsigned int *attachments, int count, |
int *out_count, void *loaderPrivate) |
{ |
struct dri2_egl_surface *dri2_surf = loaderPrivate; |
struct dri2_egl_display *dri2_dpy = |
dri2_egl_display(dri2_surf->base.Resource.Display); |
xcb_dri2_dri2_buffer_t *buffers; |
xcb_dri2_get_buffers_reply_t *reply; |
xcb_dri2_get_buffers_cookie_t cookie; |
|
(void) driDrawable; |
|
cookie = xcb_dri2_get_buffers_unchecked (dri2_dpy->conn, |
dri2_surf->drawable, |
count, count, attachments); |
reply = xcb_dri2_get_buffers_reply (dri2_dpy->conn, cookie, NULL); |
buffers = xcb_dri2_get_buffers_buffers (reply); |
if (buffers == NULL) |
return NULL; |
|
*out_count = reply->count; |
dri2_surf->base.Width = *width = reply->width; |
dri2_surf->base.Height = *height = reply->height; |
dri2_process_buffers(dri2_surf, buffers, *out_count); |
|
free(reply); |
|
return dri2_surf->buffers; |
} |
|
static __DRIbuffer * |
dri2_get_buffers_with_format(__DRIdrawable * driDrawable, |
int *width, int *height, |
unsigned int *attachments, int count, |
int *out_count, void *loaderPrivate) |
{ |
struct dri2_egl_surface *dri2_surf = loaderPrivate; |
struct dri2_egl_display *dri2_dpy = |
dri2_egl_display(dri2_surf->base.Resource.Display); |
xcb_dri2_dri2_buffer_t *buffers; |
xcb_dri2_get_buffers_with_format_reply_t *reply; |
xcb_dri2_get_buffers_with_format_cookie_t cookie; |
xcb_dri2_attach_format_t *format_attachments; |
|
(void) driDrawable; |
|
format_attachments = (xcb_dri2_attach_format_t *) attachments; |
cookie = xcb_dri2_get_buffers_with_format_unchecked (dri2_dpy->conn, |
dri2_surf->drawable, |
count, count, |
format_attachments); |
|
reply = xcb_dri2_get_buffers_with_format_reply (dri2_dpy->conn, |
cookie, NULL); |
if (reply == NULL) |
return NULL; |
|
buffers = xcb_dri2_get_buffers_with_format_buffers (reply); |
dri2_surf->base.Width = *width = reply->width; |
dri2_surf->base.Height = *height = reply->height; |
*out_count = reply->count; |
dri2_process_buffers(dri2_surf, buffers, *out_count); |
|
free(reply); |
|
return dri2_surf->buffers; |
} |
|
static void |
dri2_flush_front_buffer(__DRIdrawable * driDrawable, void *loaderPrivate) |
{ |
(void) driDrawable; |
|
/* FIXME: Does EGL support front buffer rendering at all? */ |
|
#if 0 |
struct dri2_egl_surface *dri2_surf = loaderPrivate; |
|
dri2WaitGL(dri2_surf); |
#else |
(void) loaderPrivate; |
#endif |
} |
|
static char * |
dri2_strndup(const char *s, int length) |
{ |
char *d; |
|
d = malloc(length + 1); |
if (d == NULL) |
return NULL; |
|
memcpy(d, s, length); |
d[length] = '\0'; |
|
return d; |
} |
|
static EGLBoolean |
dri2_connect(struct dri2_egl_display *dri2_dpy) |
{ |
xcb_xfixes_query_version_reply_t *xfixes_query; |
xcb_xfixes_query_version_cookie_t xfixes_query_cookie; |
xcb_dri2_query_version_reply_t *dri2_query; |
xcb_dri2_query_version_cookie_t dri2_query_cookie; |
xcb_dri2_connect_reply_t *connect; |
xcb_dri2_connect_cookie_t connect_cookie; |
xcb_generic_error_t *error; |
xcb_screen_iterator_t s; |
char *driver_name, *device_name; |
const xcb_query_extension_reply_t *extension; |
|
xcb_prefetch_extension_data (dri2_dpy->conn, &xcb_xfixes_id); |
xcb_prefetch_extension_data (dri2_dpy->conn, &xcb_dri2_id); |
|
extension = xcb_get_extension_data(dri2_dpy->conn, &xcb_xfixes_id); |
if (!(extension && extension->present)) |
return EGL_FALSE; |
|
extension = xcb_get_extension_data(dri2_dpy->conn, &xcb_dri2_id); |
if (!(extension && extension->present)) |
return EGL_FALSE; |
|
xfixes_query_cookie = xcb_xfixes_query_version(dri2_dpy->conn, |
XCB_XFIXES_MAJOR_VERSION, |
XCB_XFIXES_MINOR_VERSION); |
|
dri2_query_cookie = xcb_dri2_query_version (dri2_dpy->conn, |
XCB_DRI2_MAJOR_VERSION, |
XCB_DRI2_MINOR_VERSION); |
|
s = xcb_setup_roots_iterator(xcb_get_setup(dri2_dpy->conn)); |
connect_cookie = xcb_dri2_connect_unchecked (dri2_dpy->conn, |
s.data->root, |
XCB_DRI2_DRIVER_TYPE_DRI); |
|
xfixes_query = |
xcb_xfixes_query_version_reply (dri2_dpy->conn, |
xfixes_query_cookie, &error); |
if (xfixes_query == NULL || |
error != NULL || xfixes_query->major_version < 2) { |
_eglLog(_EGL_WARNING, "DRI2: failed to query xfixes version"); |
free(error); |
return EGL_FALSE; |
} |
free(xfixes_query); |
|
dri2_query = |
xcb_dri2_query_version_reply (dri2_dpy->conn, dri2_query_cookie, &error); |
if (dri2_query == NULL || error != NULL) { |
_eglLog(_EGL_WARNING, "DRI2: failed to query version"); |
free(error); |
return EGL_FALSE; |
} |
dri2_dpy->dri2_major = dri2_query->major_version; |
dri2_dpy->dri2_minor = dri2_query->minor_version; |
free(dri2_query); |
|
connect = xcb_dri2_connect_reply (dri2_dpy->conn, connect_cookie, NULL); |
if (connect == NULL || |
connect->driver_name_length + connect->device_name_length == 0) { |
_eglLog(_EGL_WARNING, "DRI2: failed to authenticate"); |
return EGL_FALSE; |
} |
|
driver_name = xcb_dri2_connect_driver_name (connect); |
dri2_dpy->driver_name = |
dri2_strndup(driver_name, |
xcb_dri2_connect_driver_name_length (connect)); |
|
device_name = xcb_dri2_connect_device_name (connect); |
|
dri2_dpy->device_name = |
dri2_strndup(device_name, |
xcb_dri2_connect_device_name_length (connect)); |
|
if (dri2_dpy->device_name == NULL || dri2_dpy->driver_name == NULL) { |
free(dri2_dpy->device_name); |
free(dri2_dpy->driver_name); |
free(connect); |
return EGL_FALSE; |
} |
free(connect); |
|
return EGL_TRUE; |
} |
|
static int |
dri2_x11_authenticate(_EGLDisplay *disp, uint32_t id) |
{ |
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); |
xcb_dri2_authenticate_reply_t *authenticate; |
xcb_dri2_authenticate_cookie_t authenticate_cookie; |
xcb_screen_iterator_t s; |
int ret = 0; |
|
s = xcb_setup_roots_iterator(xcb_get_setup(dri2_dpy->conn)); |
authenticate_cookie = |
xcb_dri2_authenticate_unchecked(dri2_dpy->conn, s.data->root, id); |
authenticate = |
xcb_dri2_authenticate_reply(dri2_dpy->conn, authenticate_cookie, NULL); |
|
if (authenticate == NULL || !authenticate->authenticated) |
ret = -1; |
|
free(authenticate); |
|
return ret; |
} |
|
static EGLBoolean |
dri2_authenticate(_EGLDisplay *disp) |
{ |
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); |
drm_magic_t magic; |
|
if (drmGetMagic(dri2_dpy->fd, &magic)) { |
_eglLog(_EGL_WARNING, "DRI2: failed to get drm magic"); |
return EGL_FALSE; |
} |
|
if (dri2_x11_authenticate(disp, magic) < 0) { |
_eglLog(_EGL_WARNING, "DRI2: failed to authenticate"); |
return EGL_FALSE; |
} |
|
return EGL_TRUE; |
} |
|
static EGLBoolean |
dri2_add_configs_for_visuals(struct dri2_egl_display *dri2_dpy, |
_EGLDisplay *disp) |
{ |
xcb_screen_iterator_t s; |
xcb_depth_iterator_t d; |
xcb_visualtype_t *visuals; |
int i, j, id; |
EGLint surface_type; |
EGLint config_attrs[] = { |
EGL_NATIVE_VISUAL_ID, 0, |
EGL_NATIVE_VISUAL_TYPE, 0, |
EGL_NONE |
}; |
|
s = xcb_setup_roots_iterator(xcb_get_setup(dri2_dpy->conn)); |
d = xcb_screen_allowed_depths_iterator(s.data); |
id = 1; |
|
surface_type = |
EGL_WINDOW_BIT | |
EGL_PIXMAP_BIT | |
EGL_PBUFFER_BIT | |
EGL_SWAP_BEHAVIOR_PRESERVED_BIT; |
|
while (d.rem > 0) { |
EGLBoolean class_added[6] = { 0, }; |
|
visuals = xcb_depth_visuals(d.data); |
for (i = 0; i < xcb_depth_visuals_length(d.data); i++) { |
if (class_added[visuals[i]._class]) |
continue; |
|
class_added[visuals[i]._class] = EGL_TRUE; |
for (j = 0; dri2_dpy->driver_configs[j]; j++) { |
config_attrs[1] = visuals[i].visual_id; |
config_attrs[3] = visuals[i]._class; |
|
dri2_add_config(disp, dri2_dpy->driver_configs[j], id++, |
d.data->depth, surface_type, config_attrs, NULL); |
} |
} |
|
xcb_depth_next(&d); |
} |
|
if (!_eglGetArraySize(disp->Configs)) { |
_eglLog(_EGL_WARNING, "DRI2: failed to create any config"); |
return EGL_FALSE; |
} |
|
return EGL_TRUE; |
} |
|
static EGLBoolean |
dri2_copy_region(_EGLDriver *drv, _EGLDisplay *disp, |
_EGLSurface *draw, xcb_xfixes_region_t region) |
{ |
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); |
struct dri2_egl_surface *dri2_surf = dri2_egl_surface(draw); |
enum xcb_dri2_attachment_t render_attachment; |
xcb_dri2_copy_region_cookie_t cookie; |
|
/* No-op for a pixmap or pbuffer surface */ |
if (draw->Type == EGL_PIXMAP_BIT || draw->Type == EGL_PBUFFER_BIT) |
return EGL_TRUE; |
|
if (dri2_dpy->flush) |
(*dri2_dpy->flush->flush)(dri2_surf->dri_drawable); |
|
if (dri2_surf->have_fake_front) |
render_attachment = XCB_DRI2_ATTACHMENT_BUFFER_FAKE_FRONT_LEFT; |
else |
render_attachment = XCB_DRI2_ATTACHMENT_BUFFER_BACK_LEFT; |
|
cookie = xcb_dri2_copy_region_unchecked(dri2_dpy->conn, |
dri2_surf->drawable, |
region, |
XCB_DRI2_ATTACHMENT_BUFFER_FRONT_LEFT, |
render_attachment); |
free(xcb_dri2_copy_region_reply(dri2_dpy->conn, cookie, NULL)); |
|
return EGL_TRUE; |
} |
|
static int64_t |
dri2_swap_buffers_msc(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *draw, |
int64_t msc, int64_t divisor, int64_t remainder) |
{ |
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); |
struct dri2_egl_surface *dri2_surf = dri2_egl_surface(draw); |
uint32_t msc_hi = msc >> 32; |
uint32_t msc_lo = msc & 0xffffffff; |
uint32_t divisor_hi = divisor >> 32; |
uint32_t divisor_lo = divisor & 0xffffffff; |
uint32_t remainder_hi = remainder >> 32; |
uint32_t remainder_lo = remainder & 0xffffffff; |
xcb_dri2_swap_buffers_cookie_t cookie; |
xcb_dri2_swap_buffers_reply_t *reply; |
int64_t swap_count = -1; |
|
/* No-op for a pixmap or pbuffer surface */ |
if (draw->Type == EGL_PIXMAP_BIT || draw->Type == EGL_PBUFFER_BIT) |
return 0; |
|
if (draw->SwapBehavior == EGL_BUFFER_PRESERVED || !dri2_dpy->swap_available) |
return dri2_copy_region(drv, disp, draw, dri2_surf->region) ? 0 : -1; |
|
if (dri2_dpy->flush) |
(*dri2_dpy->flush->flush)(dri2_surf->dri_drawable); |
|
cookie = xcb_dri2_swap_buffers_unchecked(dri2_dpy->conn, dri2_surf->drawable, |
msc_hi, msc_lo, divisor_hi, divisor_lo, remainder_hi, remainder_lo); |
|
reply = xcb_dri2_swap_buffers_reply(dri2_dpy->conn, cookie, NULL); |
|
if (reply) { |
swap_count = (((int64_t)reply->swap_hi) << 32) | reply->swap_lo; |
free(reply); |
} |
|
/* Since we aren't watching for the server's invalidate events like we're |
* supposed to (due to XCB providing no mechanism for filtering the events |
* the way xlib does), and SwapBuffers is a common cause of invalidate |
* events, just shove one down to the driver, even though we haven't told |
* the driver that we're the kind of loader that provides reliable |
* invalidate events. This causes the driver to request buffers again at |
* its next draw, so that we get the correct buffers if a pageflip |
* happened. The driver should still be using the viewport hack to catch |
* window resizes. |
*/ |
if (dri2_dpy->flush && |
dri2_dpy->flush->base.version >= 3 && dri2_dpy->flush->invalidate) |
(*dri2_dpy->flush->invalidate)(dri2_surf->dri_drawable); |
|
return swap_count; |
} |
|
static EGLBoolean |
dri2_swap_buffers(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *draw) |
{ |
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); |
struct dri2_egl_surface *dri2_surf = dri2_egl_surface(draw); |
|
if (dri2_dpy->dri2) { |
return dri2_swap_buffers_msc(drv, disp, draw, 0, 0, 0) != -1; |
} else { |
assert(dri2_dpy->swrast); |
|
dri2_dpy->core->swapBuffers(dri2_surf->dri_drawable); |
return EGL_TRUE; |
} |
} |
|
static EGLBoolean |
dri2_swap_buffers_region(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *draw, |
EGLint numRects, const EGLint *rects) |
{ |
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); |
struct dri2_egl_surface *dri2_surf = dri2_egl_surface(draw); |
EGLBoolean ret; |
xcb_xfixes_region_t region; |
xcb_rectangle_t rectangles[16]; |
int i; |
|
if (numRects > (int)ARRAY_SIZE(rectangles)) |
return dri2_copy_region(drv, disp, draw, dri2_surf->region); |
|
for (i = 0; i < numRects; i++) { |
rectangles[i].x = rects[i * 4]; |
rectangles[i].y = dri2_surf->base.Height - rects[i * 4 + 1] - rects[i * 4 + 3]; |
rectangles[i].width = rects[i * 4 + 2]; |
rectangles[i].height = rects[i * 4 + 3]; |
} |
|
region = xcb_generate_id(dri2_dpy->conn); |
xcb_xfixes_create_region(dri2_dpy->conn, region, numRects, rectangles); |
ret = dri2_copy_region(drv, disp, draw, region); |
xcb_xfixes_destroy_region(dri2_dpy->conn, region); |
|
return ret; |
} |
|
static EGLBoolean |
dri2_post_sub_buffer(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *draw, |
EGLint x, EGLint y, EGLint width, EGLint height) |
{ |
const EGLint rect[4] = { x, y, width, height }; |
|
if (x < 0 || y < 0 || width < 0 || height < 0) |
_eglError(EGL_BAD_PARAMETER, "eglPostSubBufferNV"); |
|
return dri2_swap_buffers_region(drv, disp, draw, 1, rect); |
} |
|
static EGLBoolean |
dri2_swap_interval(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surf, EGLint interval) |
{ |
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); |
struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surf); |
|
if (interval > surf->Config->MaxSwapInterval) |
interval = surf->Config->MaxSwapInterval; |
else if (interval < surf->Config->MinSwapInterval) |
interval = surf->Config->MinSwapInterval; |
|
if (interval != surf->SwapInterval && dri2_dpy->swap_available) |
xcb_dri2_swap_interval(dri2_dpy->conn, dri2_surf->drawable, interval); |
|
surf->SwapInterval = interval; |
|
return EGL_TRUE; |
} |
|
static EGLBoolean |
dri2_copy_buffers(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surf, |
EGLNativePixmapType native_target) |
{ |
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); |
struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surf); |
xcb_gcontext_t gc; |
xcb_pixmap_t target = (uintptr_t )native_target; |
|
(void) drv; |
|
(*dri2_dpy->flush->flush)(dri2_surf->dri_drawable); |
|
gc = xcb_generate_id(dri2_dpy->conn); |
xcb_create_gc(dri2_dpy->conn, gc, target, 0, NULL); |
xcb_copy_area(dri2_dpy->conn, |
dri2_surf->drawable, |
target, |
gc, |
0, 0, |
0, 0, |
dri2_surf->base.Width, |
dri2_surf->base.Height); |
xcb_free_gc(dri2_dpy->conn, gc); |
|
return EGL_TRUE; |
} |
|
static _EGLImage * |
dri2_create_image_khr_pixmap(_EGLDisplay *disp, _EGLContext *ctx, |
EGLClientBuffer buffer, const EGLint *attr_list) |
{ |
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); |
struct dri2_egl_image *dri2_img; |
unsigned int attachments[1]; |
xcb_drawable_t drawable; |
xcb_dri2_get_buffers_cookie_t buffers_cookie; |
xcb_dri2_get_buffers_reply_t *buffers_reply; |
xcb_dri2_dri2_buffer_t *buffers; |
xcb_get_geometry_cookie_t geometry_cookie; |
xcb_get_geometry_reply_t *geometry_reply; |
xcb_generic_error_t *error; |
int stride, format; |
|
(void) ctx; |
|
drawable = (xcb_drawable_t) (uintptr_t) buffer; |
xcb_dri2_create_drawable (dri2_dpy->conn, drawable); |
attachments[0] = XCB_DRI2_ATTACHMENT_BUFFER_FRONT_LEFT; |
buffers_cookie = |
xcb_dri2_get_buffers_unchecked (dri2_dpy->conn, |
drawable, 1, 1, attachments); |
geometry_cookie = xcb_get_geometry (dri2_dpy->conn, drawable); |
buffers_reply = xcb_dri2_get_buffers_reply (dri2_dpy->conn, |
buffers_cookie, NULL); |
buffers = xcb_dri2_get_buffers_buffers (buffers_reply); |
if (buffers == NULL) { |
return NULL; |
} |
|
geometry_reply = xcb_get_geometry_reply (dri2_dpy->conn, |
geometry_cookie, &error); |
if (geometry_reply == NULL || error != NULL) { |
_eglError(EGL_BAD_ALLOC, "xcb_get_geometry"); |
free(error); |
free(buffers_reply); |
return NULL; |
} |
|
switch (geometry_reply->depth) { |
case 16: |
format = __DRI_IMAGE_FORMAT_RGB565; |
break; |
case 24: |
format = __DRI_IMAGE_FORMAT_XRGB8888; |
break; |
case 32: |
format = __DRI_IMAGE_FORMAT_ARGB8888; |
break; |
default: |
_eglError(EGL_BAD_PARAMETER, |
"dri2_create_image_khr: unsupported pixmap depth"); |
free(buffers_reply); |
free(geometry_reply); |
return NULL; |
} |
|
dri2_img = malloc(sizeof *dri2_img); |
if (!dri2_img) { |
free(buffers_reply); |
free(geometry_reply); |
_eglError(EGL_BAD_ALLOC, "dri2_create_image_khr"); |
return EGL_NO_IMAGE_KHR; |
} |
|
if (!_eglInitImage(&dri2_img->base, disp)) { |
free(buffers_reply); |
free(geometry_reply); |
free(dri2_img); |
return EGL_NO_IMAGE_KHR; |
} |
|
stride = buffers[0].pitch / buffers[0].cpp; |
dri2_img->dri_image = |
dri2_dpy->image->createImageFromName(dri2_dpy->dri_screen, |
buffers_reply->width, |
buffers_reply->height, |
format, |
buffers[0].name, |
stride, |
dri2_img); |
|
free(buffers_reply); |
free(geometry_reply); |
|
return &dri2_img->base; |
} |
|
static _EGLImage * |
dri2_x11_create_image_khr(_EGLDriver *drv, _EGLDisplay *disp, |
_EGLContext *ctx, EGLenum target, |
EGLClientBuffer buffer, const EGLint *attr_list) |
{ |
(void) drv; |
|
switch (target) { |
case EGL_NATIVE_PIXMAP_KHR: |
return dri2_create_image_khr_pixmap(disp, ctx, buffer, attr_list); |
default: |
return dri2_create_image_khr(drv, disp, ctx, target, buffer, attr_list); |
} |
} |
|
static EGLBoolean |
dri2_initialize_x11_swrast(_EGLDriver *drv, _EGLDisplay *disp) |
{ |
struct dri2_egl_display *dri2_dpy; |
|
drv->API.CreateWindowSurface = dri2_create_window_surface; |
drv->API.CreatePixmapSurface = dri2_create_pixmap_surface; |
drv->API.CreatePbufferSurface = dri2_create_pbuffer_surface; |
drv->API.DestroySurface = dri2_destroy_surface; |
drv->API.SwapBuffers = dri2_swap_buffers; |
drv->API.CopyBuffers = dri2_copy_buffers; |
|
drv->API.SwapBuffersRegionNOK = NULL; |
drv->API.CreateImageKHR = NULL; |
drv->API.DestroyImageKHR = NULL; |
drv->API.CreateDRMImageMESA = NULL; |
drv->API.ExportDRMImageMESA = NULL; |
|
dri2_dpy = calloc(1, sizeof *dri2_dpy); |
if (!dri2_dpy) |
return _eglError(EGL_BAD_ALLOC, "eglInitialize"); |
|
disp->DriverData = (void *) dri2_dpy; |
if (disp->PlatformDisplay == NULL) { |
dri2_dpy->conn = xcb_connect(0, 0); |
} else { |
dri2_dpy->conn = XGetXCBConnection((Display *) disp->PlatformDisplay); |
} |
|
if (xcb_connection_has_error(dri2_dpy->conn)) { |
_eglLog(_EGL_WARNING, "DRI2: xcb_connect failed"); |
goto cleanup_dpy; |
} |
|
if (!dri2_load_driver_swrast(disp)) |
goto cleanup_conn; |
|
dri2_dpy->swrast_loader_extension.base.name = __DRI_SWRAST_LOADER; |
dri2_dpy->swrast_loader_extension.base.version = __DRI_SWRAST_LOADER_VERSION; |
dri2_dpy->swrast_loader_extension.getDrawableInfo = swrastGetDrawableInfo; |
dri2_dpy->swrast_loader_extension.putImage = swrastPutImage; |
dri2_dpy->swrast_loader_extension.getImage = swrastGetImage; |
|
dri2_dpy->extensions[0] = &dri2_dpy->swrast_loader_extension.base; |
dri2_dpy->extensions[1] = NULL; |
dri2_dpy->extensions[2] = NULL; |
|
if (!dri2_create_screen(disp)) |
goto cleanup_driver; |
|
if (dri2_dpy->conn) { |
if (!dri2_add_configs_for_visuals(dri2_dpy, disp)) |
goto cleanup_configs; |
} |
|
/* we're supporting EGL 1.4 */ |
disp->VersionMajor = 1; |
disp->VersionMinor = 4; |
|
return EGL_TRUE; |
|
cleanup_configs: |
_eglCleanupDisplay(disp); |
dri2_dpy->core->destroyScreen(dri2_dpy->dri_screen); |
cleanup_driver: |
dlclose(dri2_dpy->driver); |
cleanup_conn: |
if (disp->PlatformDisplay == NULL) |
xcb_disconnect(dri2_dpy->conn); |
cleanup_dpy: |
free(dri2_dpy); |
|
return EGL_FALSE; |
} |
|
static void |
dri2_setup_swap_interval(struct dri2_egl_display *dri2_dpy) |
{ |
GLint vblank_mode = DRI_CONF_VBLANK_DEF_INTERVAL_1; |
int arbitrary_max_interval = 1000; |
|
/* default behavior for no SwapBuffers support: no vblank syncing |
* either. |
*/ |
dri2_dpy->min_swap_interval = 0; |
dri2_dpy->max_swap_interval = 0; |
|
if (!dri2_dpy->swap_available) |
return; |
|
/* If we do have swapbuffers, then we can support pretty much any swap |
* interval, but we allow driconf to override applications. |
*/ |
if (dri2_dpy->config) |
dri2_dpy->config->configQueryi(dri2_dpy->dri_screen, |
"vblank_mode", &vblank_mode); |
switch (vblank_mode) { |
case DRI_CONF_VBLANK_NEVER: |
dri2_dpy->min_swap_interval = 0; |
dri2_dpy->max_swap_interval = 0; |
dri2_dpy->default_swap_interval = 0; |
break; |
case DRI_CONF_VBLANK_ALWAYS_SYNC: |
dri2_dpy->min_swap_interval = 1; |
dri2_dpy->max_swap_interval = arbitrary_max_interval; |
dri2_dpy->default_swap_interval = 1; |
break; |
case DRI_CONF_VBLANK_DEF_INTERVAL_0: |
dri2_dpy->min_swap_interval = 0; |
dri2_dpy->max_swap_interval = arbitrary_max_interval; |
dri2_dpy->default_swap_interval = 0; |
break; |
default: |
case DRI_CONF_VBLANK_DEF_INTERVAL_1: |
dri2_dpy->min_swap_interval = 0; |
dri2_dpy->max_swap_interval = arbitrary_max_interval; |
dri2_dpy->default_swap_interval = 1; |
break; |
} |
} |
|
static EGLBoolean |
dri2_initialize_x11_dri2(_EGLDriver *drv, _EGLDisplay *disp) |
{ |
struct dri2_egl_display *dri2_dpy; |
|
drv->API.CreateWindowSurface = dri2_create_window_surface; |
drv->API.CreatePixmapSurface = dri2_create_pixmap_surface; |
drv->API.CreatePbufferSurface = dri2_create_pbuffer_surface; |
drv->API.DestroySurface = dri2_destroy_surface; |
drv->API.SwapBuffers = dri2_swap_buffers; |
drv->API.CopyBuffers = dri2_copy_buffers; |
drv->API.CreateImageKHR = dri2_x11_create_image_khr; |
drv->API.SwapBuffersRegionNOK = dri2_swap_buffers_region; |
drv->API.PostSubBufferNV = dri2_post_sub_buffer; |
drv->API.SwapInterval = dri2_swap_interval; |
|
dri2_dpy = calloc(1, sizeof *dri2_dpy); |
if (!dri2_dpy) |
return _eglError(EGL_BAD_ALLOC, "eglInitialize"); |
|
disp->DriverData = (void *) dri2_dpy; |
if (disp->PlatformDisplay == NULL) { |
dri2_dpy->conn = xcb_connect(0, 0); |
} else { |
dri2_dpy->conn = XGetXCBConnection((Display *) disp->PlatformDisplay); |
} |
|
if (xcb_connection_has_error(dri2_dpy->conn)) { |
_eglLog(_EGL_WARNING, "DRI2: xcb_connect failed"); |
goto cleanup_dpy; |
} |
|
if (dri2_dpy->conn) { |
if (!dri2_connect(dri2_dpy)) |
goto cleanup_conn; |
} |
|
if (!dri2_load_driver(disp)) |
goto cleanup_conn; |
|
#ifdef O_CLOEXEC |
dri2_dpy->fd = open(dri2_dpy->device_name, O_RDWR | O_CLOEXEC); |
if (dri2_dpy->fd == -1 && errno == EINVAL) |
#endif |
{ |
dri2_dpy->fd = open(dri2_dpy->device_name, O_RDWR); |
if (dri2_dpy->fd != -1) |
fcntl(dri2_dpy->fd, F_SETFD, fcntl(dri2_dpy->fd, F_GETFD) | |
FD_CLOEXEC); |
} |
if (dri2_dpy->fd == -1) { |
_eglLog(_EGL_WARNING, |
"DRI2: could not open %s (%s)", dri2_dpy->device_name, |
strerror(errno)); |
goto cleanup_driver; |
} |
|
if (dri2_dpy->conn) { |
if (!dri2_authenticate(disp)) |
goto cleanup_fd; |
} |
|
if (dri2_dpy->dri2_minor >= 1) { |
dri2_dpy->dri2_loader_extension.base.name = __DRI_DRI2_LOADER; |
dri2_dpy->dri2_loader_extension.base.version = 3; |
dri2_dpy->dri2_loader_extension.getBuffers = dri2_get_buffers; |
dri2_dpy->dri2_loader_extension.flushFrontBuffer = dri2_flush_front_buffer; |
dri2_dpy->dri2_loader_extension.getBuffersWithFormat = |
dri2_get_buffers_with_format; |
} else { |
dri2_dpy->dri2_loader_extension.base.name = __DRI_DRI2_LOADER; |
dri2_dpy->dri2_loader_extension.base.version = 2; |
dri2_dpy->dri2_loader_extension.getBuffers = dri2_get_buffers; |
dri2_dpy->dri2_loader_extension.flushFrontBuffer = dri2_flush_front_buffer; |
dri2_dpy->dri2_loader_extension.getBuffersWithFormat = NULL; |
} |
|
dri2_dpy->extensions[0] = &dri2_dpy->dri2_loader_extension.base; |
dri2_dpy->extensions[1] = &image_lookup_extension.base; |
dri2_dpy->extensions[2] = NULL; |
|
dri2_dpy->swap_available = (dri2_dpy->dri2_minor >= 2); |
dri2_dpy->invalidate_available = (dri2_dpy->dri2_minor >= 3); |
|
if (!dri2_create_screen(disp)) |
goto cleanup_fd; |
|
dri2_setup_swap_interval(dri2_dpy); |
|
if (dri2_dpy->conn) { |
if (!dri2_add_configs_for_visuals(dri2_dpy, disp)) |
goto cleanup_configs; |
} |
|
disp->Extensions.KHR_image_pixmap = EGL_TRUE; |
disp->Extensions.NOK_swap_region = EGL_TRUE; |
disp->Extensions.NOK_texture_from_pixmap = EGL_TRUE; |
disp->Extensions.NV_post_sub_buffer = EGL_TRUE; |
|
#ifdef HAVE_WAYLAND_PLATFORM |
disp->Extensions.WL_bind_wayland_display = EGL_TRUE; |
#endif |
dri2_dpy->authenticate = dri2_x11_authenticate; |
|
/* we're supporting EGL 1.4 */ |
disp->VersionMajor = 1; |
disp->VersionMinor = 4; |
|
return EGL_TRUE; |
|
cleanup_configs: |
_eglCleanupDisplay(disp); |
dri2_dpy->core->destroyScreen(dri2_dpy->dri_screen); |
cleanup_fd: |
close(dri2_dpy->fd); |
cleanup_driver: |
dlclose(dri2_dpy->driver); |
cleanup_conn: |
if (disp->PlatformDisplay == NULL) |
xcb_disconnect(dri2_dpy->conn); |
cleanup_dpy: |
free(dri2_dpy); |
|
return EGL_FALSE; |
} |
|
EGLBoolean |
dri2_initialize_x11(_EGLDriver *drv, _EGLDisplay *disp) |
{ |
EGLBoolean initialized = EGL_TRUE; |
|
int x11_dri2_accel = (getenv("LIBGL_ALWAYS_SOFTWARE") == NULL); |
|
if (x11_dri2_accel) { |
if (!dri2_initialize_x11_dri2(drv, disp)) { |
initialized = dri2_initialize_x11_swrast(drv, disp); |
} |
} else { |
initialized = dri2_initialize_x11_swrast(drv, disp); |
} |
|
return initialized; |
} |
|