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xenocara/xserver/glamor/glamor_egl.c

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/*
* Copyright © 2010 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:
* Zhigang Gong <zhigang.gong@linux.intel.com>
*
*/
#include "dix-config.h"
#define GLAMOR_FOR_XORG
#include <unistd.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include <errno.h>
#include <xf86.h>
#include <xf86drm.h>
#define EGL_DISPLAY_NO_X_MESA
#ifdef GLAMOR_HAS_GBM
#include <gbm.h>
#include <drm_fourcc.h>
#endif
#define MESA_EGL_NO_X11_HEADERS
#include <epoxy/gl.h>
#include <epoxy/egl.h>
#include "glamor.h"
#include "glamor_priv.h"
#include "dri3.h"
static const char glamor_name[] = "glamor";
static void
glamor_identify(int flags)
{
xf86Msg(X_INFO, "%s: OpenGL accelerated X.org driver based.\n",
glamor_name);
}
struct glamor_egl_screen_private {
EGLDisplay display;
EGLContext context;
EGLint major, minor;
char *device_path;
CreateScreenResourcesProcPtr CreateScreenResources;
CloseScreenProcPtr CloseScreen;
int fd;
int cpp;
#ifdef GLAMOR_HAS_GBM
struct gbm_device *gbm;
#endif
int has_gem;
int gl_context_depth;
int dri3_capable;
CloseScreenProcPtr saved_close_screen;
xf86FreeScreenProc *saved_free_screen;
};
int xf86GlamorEGLPrivateIndex = -1;
static struct glamor_egl_screen_private *
glamor_egl_get_screen_private(ScrnInfoPtr scrn)
{
return (struct glamor_egl_screen_private *)
scrn->privates[xf86GlamorEGLPrivateIndex].ptr;
}
static void
glamor_egl_make_current(struct glamor_context *glamor_ctx)
{
/* There's only a single global dispatch table in Mesa. EGL, GLX,
* and AIGLX's direct dispatch table manipulation don't talk to
* each other. We need to set the context to NULL first to avoid
* EGL's no-op context change fast path when switching back to
* EGL.
*/
eglMakeCurrent(glamor_ctx->display, EGL_NO_SURFACE,
EGL_NO_SURFACE, EGL_NO_CONTEXT);
if (!eglMakeCurrent(glamor_ctx->display,
EGL_NO_SURFACE, EGL_NO_SURFACE,
glamor_ctx->ctx)) {
FatalError("Failed to make EGL context current\n");
}
}
static EGLImageKHR
_glamor_egl_create_image(struct glamor_egl_screen_private *glamor_egl,
int width, int height, int stride, int name, int depth)
{
EGLImageKHR image;
EGLint attribs[] = {
EGL_WIDTH, 0,
EGL_HEIGHT, 0,
EGL_DRM_BUFFER_STRIDE_MESA, 0,
EGL_DRM_BUFFER_FORMAT_MESA,
EGL_DRM_BUFFER_FORMAT_ARGB32_MESA,
EGL_DRM_BUFFER_USE_MESA,
EGL_DRM_BUFFER_USE_SHARE_MESA | EGL_DRM_BUFFER_USE_SCANOUT_MESA,
EGL_NONE
};
attribs[1] = width;
attribs[3] = height;
attribs[5] = stride;
if (depth != 32 && depth != 24)
return EGL_NO_IMAGE_KHR;
image = eglCreateImageKHR(glamor_egl->display,
glamor_egl->context,
EGL_DRM_BUFFER_MESA,
(void *) (uintptr_t) name,
attribs);
if (image == EGL_NO_IMAGE_KHR)
return EGL_NO_IMAGE_KHR;
return image;
}
static int
glamor_get_flink_name(int fd, int handle, int *name)
{
struct drm_gem_flink flink;
flink.handle = handle;
if (ioctl(fd, DRM_IOCTL_GEM_FLINK, &flink) < 0)
return FALSE;
*name = flink.name;
return TRUE;
}
static Bool
glamor_create_texture_from_image(ScreenPtr screen,
EGLImageKHR image, GLuint * texture)
{
struct glamor_screen_private *glamor_priv =
glamor_get_screen_private(screen);
glamor_make_current(glamor_priv);
glGenTextures(1, texture);
glBindTexture(GL_TEXTURE_2D, *texture);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glEGLImageTargetTexture2DOES(GL_TEXTURE_2D, image);
glBindTexture(GL_TEXTURE_2D, 0);
return TRUE;
}
void *
glamor_egl_get_gbm_device(ScreenPtr screen)
{
#ifdef GLAMOR_HAS_GBM
struct glamor_egl_screen_private *glamor_egl =
glamor_egl_get_screen_private(xf86ScreenToScrn(screen));
return glamor_egl->gbm;
#else
return NULL;
#endif
}
unsigned int
glamor_egl_create_argb8888_based_texture(ScreenPtr screen, int w, int h)
{
ScrnInfoPtr scrn = xf86ScreenToScrn(screen);
struct glamor_egl_screen_private *glamor_egl;
EGLImageKHR image;
GLuint texture;
#ifdef GLAMOR_HAS_GBM
struct gbm_bo *bo;
EGLNativePixmapType native_pixmap;
glamor_egl = glamor_egl_get_screen_private(scrn);
bo = gbm_bo_create(glamor_egl->gbm, w, h, GBM_FORMAT_ARGB8888,
GBM_BO_USE_RENDERING | GBM_BO_USE_SCANOUT);
if (!bo)
return 0;
/* If the following assignment raises an error or a warning
* then that means EGLNativePixmapType is not struct gbm_bo *
* on your platform: This code won't work and you should not
* compile with dri3 support enabled */
native_pixmap = bo;
image = eglCreateImageKHR(glamor_egl->display,
EGL_NO_CONTEXT,
EGL_NATIVE_PIXMAP_KHR,
native_pixmap, NULL);
gbm_bo_destroy(bo);
if (image == EGL_NO_IMAGE_KHR)
return 0;
glamor_create_texture_from_image(screen, image, &texture);
eglDestroyImageKHR(glamor_egl->display, image);
return texture;
#else
return 0; /* this path should never happen */
#endif
}
Bool
glamor_egl_create_textured_screen(ScreenPtr screen, int handle, int stride)
{
ScrnInfoPtr scrn = xf86ScreenToScrn(screen);
PixmapPtr screen_pixmap;
screen_pixmap = screen->GetScreenPixmap(screen);
if (!glamor_egl_create_textured_pixmap(screen_pixmap, handle, stride)) {
xf86DrvMsg(scrn->scrnIndex, X_ERROR,
"Failed to create textured screen.");
return FALSE;
}
glamor_set_screen_pixmap(screen_pixmap, NULL);
return TRUE;
}
Bool
glamor_egl_create_textured_screen_ext(ScreenPtr screen,
int handle,
int stride, PixmapPtr *back_pixmap)
{
return glamor_egl_create_textured_screen(screen, handle, stride);
}
static Bool
glamor_egl_check_has_gem(int fd)
{
struct drm_gem_flink flink;
flink.handle = 0;
ioctl(fd, DRM_IOCTL_GEM_FLINK, &flink);
if (errno == ENOENT || errno == EINVAL)
return TRUE;
return FALSE;
}
static void
glamor_egl_set_pixmap_image(PixmapPtr pixmap, EGLImageKHR image)
{
struct glamor_pixmap_private *pixmap_priv =
glamor_get_pixmap_private(pixmap);
EGLImageKHR old;
old = pixmap_priv->base.image;
if (old) {
ScreenPtr screen = pixmap->drawable.pScreen;
ScrnInfoPtr scrn = xf86ScreenToScrn(screen);
struct glamor_egl_screen_private *glamor_egl = glamor_egl_get_screen_private(scrn);
eglDestroyImageKHR(glamor_egl->display, old);
}
pixmap_priv->base.image = image;
}
Bool
glamor_egl_create_textured_pixmap(PixmapPtr pixmap, int handle, int stride)
{
ScreenPtr screen = pixmap->drawable.pScreen;
ScrnInfoPtr scrn = xf86ScreenToScrn(screen);
struct glamor_screen_private *glamor_priv =
glamor_get_screen_private(screen);
struct glamor_egl_screen_private *glamor_egl;
EGLImageKHR image;
GLuint texture;
int name;
Bool ret = FALSE;
glamor_egl = glamor_egl_get_screen_private(scrn);
glamor_make_current(glamor_priv);
if (glamor_egl->has_gem) {
if (!glamor_get_flink_name(glamor_egl->fd, handle, &name)) {
xf86DrvMsg(scrn->scrnIndex, X_ERROR,
"Couldn't flink pixmap handle\n");
glamor_set_pixmap_type(pixmap, GLAMOR_DRM_ONLY);
assert(0);
return FALSE;
}
}
else
name = handle;
image = _glamor_egl_create_image(glamor_egl,
pixmap->drawable.width,
pixmap->drawable.height,
((stride * 8 +
7) / pixmap->drawable.bitsPerPixel),
name, pixmap->drawable.depth);
if (image == EGL_NO_IMAGE_KHR) {
glamor_set_pixmap_type(pixmap, GLAMOR_DRM_ONLY);
goto done;
}
glamor_create_texture_from_image(screen, image, &texture);
glamor_set_pixmap_type(pixmap, GLAMOR_TEXTURE_DRM);
glamor_set_pixmap_texture(pixmap, texture);
glamor_egl_set_pixmap_image(pixmap, image);
ret = TRUE;
done:
return ret;
}
Bool
glamor_egl_create_textured_pixmap_from_gbm_bo(PixmapPtr pixmap, void *bo)
{
ScreenPtr screen = pixmap->drawable.pScreen;
ScrnInfoPtr scrn = xf86ScreenToScrn(screen);
struct glamor_screen_private *glamor_priv =
glamor_get_screen_private(screen);
struct glamor_egl_screen_private *glamor_egl;
EGLImageKHR image;
GLuint texture;
Bool ret = FALSE;
glamor_egl = glamor_egl_get_screen_private(scrn);
glamor_make_current(glamor_priv);
image = eglCreateImageKHR(glamor_egl->display,
glamor_egl->context,
EGL_NATIVE_PIXMAP_KHR, bo, NULL);
if (image == EGL_NO_IMAGE_KHR) {
glamor_set_pixmap_type(pixmap, GLAMOR_DRM_ONLY);
goto done;
}
glamor_create_texture_from_image(screen, image, &texture);
glamor_set_pixmap_type(pixmap, GLAMOR_TEXTURE_DRM);
glamor_set_pixmap_texture(pixmap, texture);
glamor_egl_set_pixmap_image(pixmap, image);
ret = TRUE;
done:
return ret;
}
#ifdef GLAMOR_HAS_GBM
int glamor_get_fd_from_bo(int gbm_fd, struct gbm_bo *bo, int *fd);
void glamor_get_name_from_bo(int gbm_fd, struct gbm_bo *bo, int *name);
int
glamor_get_fd_from_bo(int gbm_fd, struct gbm_bo *bo, int *fd)
{
union gbm_bo_handle handle;
struct drm_prime_handle args;
handle = gbm_bo_get_handle(bo);
args.handle = handle.u32;
args.flags = DRM_CLOEXEC;
if (ioctl(gbm_fd, DRM_IOCTL_PRIME_HANDLE_TO_FD, &args))
return FALSE;
*fd = args.fd;
return TRUE;
}
void
glamor_get_name_from_bo(int gbm_fd, struct gbm_bo *bo, int *name)
{
union gbm_bo_handle handle;
handle = gbm_bo_get_handle(bo);
if (!glamor_get_flink_name(gbm_fd, handle.u32, name))
*name = -1;
}
#endif
int
glamor_egl_dri3_fd_name_from_tex(ScreenPtr screen,
PixmapPtr pixmap,
unsigned int tex,
Bool want_name, CARD16 *stride, CARD32 *size)
{
#ifdef GLAMOR_HAS_GBM
ScrnInfoPtr scrn = xf86ScreenToScrn(screen);
struct glamor_pixmap_private *pixmap_priv =
glamor_get_pixmap_private(pixmap);
struct glamor_screen_private *glamor_priv =
glamor_get_screen_private(screen);
struct glamor_egl_screen_private *glamor_egl;
EGLImageKHR image;
struct gbm_bo *bo;
int fd = -1;
EGLint attribs[] = {
EGL_IMAGE_PRESERVED_KHR, EGL_TRUE,
EGL_GL_TEXTURE_LEVEL_KHR, 0,
EGL_NONE
};
glamor_egl = glamor_egl_get_screen_private(scrn);
glamor_make_current(glamor_priv);
image = pixmap_priv->base.image;
if (!image) {
image = eglCreateImageKHR(glamor_egl->display,
glamor_egl->context,
EGL_GL_TEXTURE_2D_KHR,
(EGLClientBuffer) (uintptr_t)
tex, attribs);
if (image == EGL_NO_IMAGE_KHR)
goto failure;
glamor_set_pixmap_type(pixmap, GLAMOR_TEXTURE_DRM);
glamor_egl_set_pixmap_image(pixmap, image);
}
bo = gbm_bo_import(glamor_egl->gbm, GBM_BO_IMPORT_EGL_IMAGE, image, 0);
if (!bo)
goto failure;
pixmap->devKind = gbm_bo_get_stride(bo);
if (want_name) {
if (glamor_egl->has_gem)
glamor_get_name_from_bo(glamor_egl->fd, bo, &fd);
}
else {
if (glamor_get_fd_from_bo(glamor_egl->fd, bo, &fd)) {
}
}
*stride = pixmap->devKind;
*size = pixmap->devKind * gbm_bo_get_height(bo);
gbm_bo_destroy(bo);
failure:
return fd;
#else
return -1;
#endif
}
_X_EXPORT PixmapPtr
glamor_pixmap_from_fd(ScreenPtr screen,
int fd,
CARD16 width,
CARD16 height,
CARD16 stride, CARD8 depth, CARD8 bpp)
{
#ifdef GLAMOR_HAS_GBM
ScrnInfoPtr scrn = xf86ScreenToScrn(screen);
struct glamor_egl_screen_private *glamor_egl;
struct gbm_bo *bo;
EGLImageKHR image;
PixmapPtr pixmap;
Bool ret = FALSE;
EGLint attribs[] = {
EGL_WIDTH, 0,
EGL_HEIGHT, 0,
EGL_LINUX_DRM_FOURCC_EXT, DRM_FORMAT_ARGB8888,
EGL_DMA_BUF_PLANE0_FD_EXT, 0,
EGL_DMA_BUF_PLANE0_OFFSET_EXT, 0,
EGL_DMA_BUF_PLANE0_PITCH_EXT, 0,
EGL_NONE
};
glamor_egl = glamor_egl_get_screen_private(scrn);
if (!glamor_egl->dri3_capable)
return NULL;
if (bpp != 32 || !(depth == 24 || depth == 32) || width == 0 || height == 0)
return NULL;
attribs[1] = width;
attribs[3] = height;
attribs[7] = fd;
attribs[11] = stride;
image = eglCreateImageKHR(glamor_egl->display,
EGL_NO_CONTEXT,
EGL_LINUX_DMA_BUF_EXT,
NULL, attribs);
if (image == EGL_NO_IMAGE_KHR)
return NULL;
/* EGL_EXT_image_dma_buf_import can impose restrictions on the
* usage of the image. Use gbm_bo to bypass the limitations. */
bo = gbm_bo_import(glamor_egl->gbm, GBM_BO_IMPORT_EGL_IMAGE, image, 0);
eglDestroyImageKHR(glamor_egl->display, image);
if (!bo)
return NULL;
pixmap = screen->CreatePixmap(screen, 0, 0, depth, 0);
screen->ModifyPixmapHeader(pixmap, width, height, 0, 0, stride, NULL);
ret = glamor_egl_create_textured_pixmap_from_gbm_bo(pixmap, bo);
gbm_bo_destroy(bo);
if (ret)
return pixmap;
else {
screen->DestroyPixmap(pixmap);
return NULL;
}
#else
return NULL;
#endif
}
void
glamor_egl_destroy_pixmap_image(PixmapPtr pixmap)
{
struct glamor_pixmap_private *pixmap_priv =
glamor_get_pixmap_private(pixmap);
if (pixmap_priv && pixmap_priv->base.image) {
ScrnInfoPtr scrn = xf86ScreenToScrn(pixmap->drawable.pScreen);
struct glamor_egl_screen_private *glamor_egl =
glamor_egl_get_screen_private(scrn);
/* Before destroy an image which was attached to
* a texture. we must call glFlush to make sure the
* operation on that texture has been done.*/
glamor_block_handler(pixmap->drawable.pScreen);
eglDestroyImageKHR(glamor_egl->display, pixmap_priv->base.image);
pixmap_priv->base.image = NULL;
}
}
_X_EXPORT void
glamor_egl_exchange_buffers(PixmapPtr front, PixmapPtr back)
{
EGLImageKHR temp;
struct glamor_pixmap_private *front_priv =
glamor_get_pixmap_private(front);
struct glamor_pixmap_private *back_priv =
glamor_get_pixmap_private(back);
glamor_pixmap_exchange_fbos(front, back);
temp = back_priv->base.image;
back_priv->base.image = front_priv->base.image;
front_priv->base.image = temp;
glamor_set_pixmap_type(front, GLAMOR_TEXTURE_DRM);
glamor_set_pixmap_type(back, GLAMOR_TEXTURE_DRM);
}
void
glamor_egl_destroy_textured_pixmap(PixmapPtr pixmap)
{
glamor_destroy_textured_pixmap(pixmap);
}
static Bool
glamor_egl_close_screen(ScreenPtr screen)
{
ScrnInfoPtr scrn;
struct glamor_egl_screen_private *glamor_egl;
struct glamor_pixmap_private *pixmap_priv;
PixmapPtr screen_pixmap;
scrn = xf86ScreenToScrn(screen);
glamor_egl = glamor_egl_get_screen_private(scrn);
screen_pixmap = screen->GetScreenPixmap(screen);
pixmap_priv = glamor_get_pixmap_private(screen_pixmap);
eglDestroyImageKHR(glamor_egl->display, pixmap_priv->base.image);
pixmap_priv->base.image = NULL;
screen->CloseScreen = glamor_egl->saved_close_screen;
return screen->CloseScreen(screen);
}
#ifdef DRI3
static int
glamor_dri3_open_client(ClientPtr client,
ScreenPtr screen,
RRProviderPtr provider,
int *fdp)
{
ScrnInfoPtr scrn = xf86ScreenToScrn(screen);
struct glamor_egl_screen_private *glamor_egl =
glamor_egl_get_screen_private(scrn);
int fd;
drm_magic_t magic;
fd = open(glamor_egl->device_path, O_RDWR|O_CLOEXEC);
if (fd < 0)
return BadAlloc;
/* Before FD passing in the X protocol with DRI3 (and increased
* security of rendering with per-process address spaces on the
* GPU), the kernel had to come up with a way to have the server
* decide which clients got to access the GPU, which was done by
* each client getting a unique (magic) number from the kernel,
* passing it to the server, and the server then telling the
* kernel which clients were authenticated for using the device.
*
* Now that we have FD passing, the server can just set up the
* authentication on its own and hand the prepared FD off to the
* client.
*/
if (drmGetMagic(fd, &magic) < 0) {
if (errno == EACCES) {
/* Assume that we're on a render node, and the fd is
* already as authenticated as it should be.
*/
*fdp = fd;
return Success;
} else {
close(fd);
return BadMatch;
}
}
if (drmAuthMagic(glamor_egl->fd, magic) < 0) {
close(fd);
return BadMatch;
}
*fdp = fd;
return Success;
}
static dri3_screen_info_rec glamor_dri3_info = {
.version = 1,
.open_client = glamor_dri3_open_client,
.pixmap_from_fd = glamor_pixmap_from_fd,
.fd_from_pixmap = glamor_fd_from_pixmap,
};
#endif /* DRI3 */
void
glamor_egl_screen_init(ScreenPtr screen, struct glamor_context *glamor_ctx)
{
ScrnInfoPtr scrn = xf86ScreenToScrn(screen);
struct glamor_egl_screen_private *glamor_egl =
glamor_egl_get_screen_private(scrn);
glamor_egl->saved_close_screen = screen->CloseScreen;
screen->CloseScreen = glamor_egl_close_screen;
glamor_ctx->ctx = glamor_egl->context;
glamor_ctx->display = glamor_egl->display;
glamor_ctx->make_current = glamor_egl_make_current;
#ifdef DRI3
if (glamor_egl->dri3_capable) {
glamor_screen_private *glamor_priv = glamor_get_screen_private(screen);
/* Tell the core that we have the interfaces for import/export
* of pixmaps.
*/
glamor_enable_dri3(screen);
/* If the driver wants to do its own auth dance (e.g. Xwayland
* on pre-3.15 kernels that don't have render nodes and thus
* has the wayland compositor as a master), then it needs us
* to stay out of the way and let it init DRI3 on its own.
*/
if (!(glamor_priv->flags & GLAMOR_NO_DRI3)) {
/* To do DRI3 device FD generation, we need to open a new fd
* to the same device we were handed in originally.
*/
glamor_egl->device_path = drmGetDeviceNameFromFd(glamor_egl->fd);
if (!dri3_screen_init(screen, &glamor_dri3_info)) {
xf86DrvMsg(scrn->scrnIndex, X_ERROR,
"Failed to initialize DRI3.\n");
}
}
}
#endif
}
static void
glamor_egl_free_screen(ScrnInfoPtr scrn)
{
struct glamor_egl_screen_private *glamor_egl;
glamor_egl = glamor_egl_get_screen_private(scrn);
if (glamor_egl != NULL) {
eglMakeCurrent(glamor_egl->display,
EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
#ifdef GLAMOR_HAS_GBM
if (glamor_egl->gbm)
gbm_device_destroy(glamor_egl->gbm);
#endif
free(glamor_egl->device_path);
scrn->FreeScreen = glamor_egl->saved_free_screen;
free(glamor_egl);
scrn->FreeScreen(scrn);
}
}
Bool
glamor_egl_init(ScrnInfoPtr scrn, int fd)
{
struct glamor_egl_screen_private *glamor_egl;
const char *version;
EGLint config_attribs[] = {
#ifdef GLAMOR_GLES2
EGL_CONTEXT_CLIENT_VERSION, 2,
#endif
EGL_NONE
};
glamor_identify(0);
glamor_egl = calloc(sizeof(*glamor_egl), 1);
if (glamor_egl == NULL)
return FALSE;
if (xf86GlamorEGLPrivateIndex == -1)
xf86GlamorEGLPrivateIndex = xf86AllocateScrnInfoPrivateIndex();
scrn->privates[xf86GlamorEGLPrivateIndex].ptr = glamor_egl;
glamor_egl->fd = fd;
#ifdef GLAMOR_HAS_GBM
glamor_egl->gbm = gbm_create_device(glamor_egl->fd);
if (glamor_egl->gbm == NULL) {
ErrorF("couldn't get display device\n");
return FALSE;
}
glamor_egl->display = eglGetDisplay(glamor_egl->gbm);
#else
glamor_egl->display = eglGetDisplay((EGLNativeDisplayType) (intptr_t) fd);
#endif
glamor_egl->has_gem = glamor_egl_check_has_gem(fd);
#ifndef GLAMOR_GLES2
eglBindAPI(EGL_OPENGL_API);
#else
eglBindAPI(EGL_OPENGL_ES_API);
#endif
if (!eglInitialize
(glamor_egl->display, &glamor_egl->major, &glamor_egl->minor)) {
xf86DrvMsg(scrn->scrnIndex, X_ERROR, "eglInitialize() failed\n");
return FALSE;
}
version = eglQueryString(glamor_egl->display, EGL_VERSION);
xf86Msg(X_INFO, "%s: EGL version %s:\n", glamor_name, version);
#define GLAMOR_CHECK_EGL_EXTENSION(EXT) \
if (!epoxy_has_egl_extension(glamor_egl->display, "EGL_" #EXT)) { \
ErrorF("EGL_" #EXT " required.\n"); \
return FALSE; \
}
#define GLAMOR_CHECK_EGL_EXTENSIONS(EXT1, EXT2) \
if (!epoxy_has_egl_extension(glamor_egl->display, "EGL_" #EXT1) && \
!epoxy_has_egl_extension(glamor_egl->display, "EGL_" #EXT2)) { \
ErrorF("EGL_" #EXT1 " or EGL_" #EXT2 " required.\n"); \
return FALSE; \
}
GLAMOR_CHECK_EGL_EXTENSION(MESA_drm_image);
GLAMOR_CHECK_EGL_EXTENSION(KHR_gl_renderbuffer_image);
#ifdef GLAMOR_GLES2
GLAMOR_CHECK_EGL_EXTENSIONS(KHR_surfaceless_context, KHR_surfaceless_gles2);
#else
GLAMOR_CHECK_EGL_EXTENSIONS(KHR_surfaceless_context,
KHR_surfaceless_opengl);
#endif
#ifdef GLAMOR_HAS_GBM
if (epoxy_has_egl_extension(glamor_egl->display,
"EGL_KHR_gl_texture_2D_image") &&
epoxy_has_egl_extension(glamor_egl->display,
"EGL_EXT_image_dma_buf_import"))
glamor_egl->dri3_capable = TRUE;
#endif
glamor_egl->context = eglCreateContext(glamor_egl->display,
NULL, EGL_NO_CONTEXT,
config_attribs);
if (glamor_egl->context == EGL_NO_CONTEXT) {
xf86DrvMsg(scrn->scrnIndex, X_ERROR, "Failed to create EGL context\n");
return FALSE;
}
if (!eglMakeCurrent(glamor_egl->display,
EGL_NO_SURFACE, EGL_NO_SURFACE, glamor_egl->context)) {
xf86DrvMsg(scrn->scrnIndex, X_ERROR,
"Failed to make EGL context current\n");
return FALSE;
}
glamor_egl->saved_free_screen = scrn->FreeScreen;
scrn->FreeScreen = glamor_egl_free_screen;
#ifdef GLAMOR_GLES2
xf86DrvMsg(scrn->scrnIndex, X_INFO, "Using GLES2.\n");
xf86DrvMsg(scrn->scrnIndex, X_WARNING,
"Glamor is using GLES2 but GLX needs GL. "
"Indirect GLX may not work correctly.\n");
#endif
return TRUE;
}
/** Stub to retain compatibility with pre-server-1.16 ABI. */
Bool
glamor_egl_init_textured_pixmap(ScreenPtr screen)
{
return TRUE;
}
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