b3acb47e98
v2: Also edit the one in glamor_egl.c (by anholt) v3: Also edit the one in glamor_eglmodule.c (by anholt) Signed-off-by: Adam Jackson <ajax@redhat.com> Signed-off-by: Eric Anholt <eric@anholt.net> Reviewed-by: Eric Anholt <eric@anholt.net> Reviewed-by: Zhigang Gong <zhigang.gong@linux.intel.com> Reviewed-by: Keith Packard <keithp@keithp.com>
826 lines
26 KiB
C
826 lines
26 KiB
C
/*
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* Copyright © 2010 Intel Corporation.
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*
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use, copy,
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* modify, merge, publish, distribute, sublicense, and/or sell copies
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* of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including
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* the next paragraph) shall be included in all copies or substantial
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* portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*
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* Authors:
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* Zhigang Gong <zhigang.gong@linux.intel.com>
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*
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*/
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#include "dix-config.h"
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#define GLAMOR_FOR_XORG
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#include <xorg-server.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <sys/ioctl.h>
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#include <errno.h>
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#include <xf86.h>
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#include <xf86drm.h>
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#define GL_GLEXT_PROTOTYPES
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#define EGL_EGLEXT_PROTOTYPES
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#define EGL_DISPLAY_NO_X_MESA
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#ifdef GLAMOR_HAS_GBM
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#include <gbm.h>
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#include <drm_fourcc.h>
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#endif
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#if GLAMOR_GLES2
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#include <GLES2/gl2.h>
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#include <GLES2/gl2ext.h>
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#else
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#include <GL/gl.h>
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#endif
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#define MESA_EGL_NO_X11_HEADERS
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#include <EGL/egl.h>
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#include <EGL/eglext.h>
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#include "glamor.h"
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#include "glamor_gl_dispatch.h"
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static const char glamor_name[] = "glamor";
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static DevPrivateKeyRec glamor_egl_pixmap_private_key_index;
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DevPrivateKey glamor_egl_pixmap_private_key =
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&glamor_egl_pixmap_private_key_index;
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static void
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glamor_identify(int flags)
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{
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xf86Msg(X_INFO, "%s: OpenGL accelerated X.org driver based.\n",
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glamor_name);
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}
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struct glamor_egl_screen_private {
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EGLDisplay display;
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EGLContext context;
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EGLint major, minor;
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CreateScreenResourcesProcPtr CreateScreenResources;
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CloseScreenProcPtr CloseScreen;
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int fd;
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EGLImageKHR front_image;
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PixmapPtr *back_pixmap;
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int cpp;
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#ifdef GLAMOR_HAS_GBM
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struct gbm_device *gbm;
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#endif
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int has_gem;
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int gl_context_depth;
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int dri3_capable;
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PFNEGLCREATEIMAGEKHRPROC egl_create_image_khr;
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PFNEGLDESTROYIMAGEKHRPROC egl_destroy_image_khr;
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PFNGLEGLIMAGETARGETTEXTURE2DOESPROC egl_image_target_texture2d_oes;
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struct glamor_gl_dispatch *dispatch;
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CloseScreenProcPtr saved_close_screen;
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xf86FreeScreenProc *saved_free_screen;
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};
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int xf86GlamorEGLPrivateIndex = -1;
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static struct glamor_egl_screen_private *
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glamor_egl_get_screen_private(ScrnInfoPtr scrn)
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{
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return (struct glamor_egl_screen_private *)
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scrn->privates[xf86GlamorEGLPrivateIndex].ptr;
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}
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_X_EXPORT void
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glamor_egl_make_current(ScreenPtr screen)
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{
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ScrnInfoPtr scrn = xf86ScreenToScrn(screen);
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struct glamor_egl_screen_private *glamor_egl =
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glamor_egl_get_screen_private(scrn);
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if (glamor_egl->gl_context_depth++)
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return;
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if (glamor_egl->context != eglGetCurrentContext()) {
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eglMakeCurrent(glamor_egl->display, EGL_NO_SURFACE,
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EGL_NO_SURFACE, EGL_NO_CONTEXT);
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if (!eglMakeCurrent(glamor_egl->display,
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EGL_NO_SURFACE, EGL_NO_SURFACE,
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glamor_egl->context)) {
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FatalError("Failed to make EGL context current\n");
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}
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}
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}
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_X_EXPORT void
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glamor_egl_restore_context(ScreenPtr screen)
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{
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ScrnInfoPtr scrn = xf86ScreenToScrn(screen);
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struct glamor_egl_screen_private *glamor_egl =
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glamor_egl_get_screen_private(scrn);
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if (--glamor_egl->gl_context_depth)
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return;
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eglMakeCurrent(glamor_egl->display, EGL_NO_SURFACE,
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EGL_NO_SURFACE, EGL_NO_CONTEXT);
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}
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static EGLImageKHR
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_glamor_egl_create_image(struct glamor_egl_screen_private *glamor_egl,
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int width, int height, int stride, int name, int depth)
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{
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EGLImageKHR image;
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EGLint attribs[] = {
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EGL_WIDTH, 0,
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EGL_HEIGHT, 0,
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EGL_DRM_BUFFER_STRIDE_MESA, 0,
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EGL_DRM_BUFFER_FORMAT_MESA,
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EGL_DRM_BUFFER_FORMAT_ARGB32_MESA,
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EGL_DRM_BUFFER_USE_MESA,
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EGL_DRM_BUFFER_USE_SHARE_MESA | EGL_DRM_BUFFER_USE_SCANOUT_MESA,
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EGL_NONE
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};
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attribs[1] = width;
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attribs[3] = height;
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attribs[5] = stride;
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if (depth != 32 && depth != 24)
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return EGL_NO_IMAGE_KHR;
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image = glamor_egl->egl_create_image_khr(glamor_egl->display,
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glamor_egl->context,
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EGL_DRM_BUFFER_MESA,
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(void *) (uintptr_t) name,
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attribs);
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if (image == EGL_NO_IMAGE_KHR)
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return EGL_NO_IMAGE_KHR;
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return image;
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}
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static int
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glamor_get_flink_name(int fd, int handle, int *name)
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{
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struct drm_gem_flink flink;
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flink.handle = handle;
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if (ioctl(fd, DRM_IOCTL_GEM_FLINK, &flink) < 0)
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return FALSE;
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*name = flink.name;
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return TRUE;
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}
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static Bool
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glamor_create_texture_from_image(struct glamor_egl_screen_private
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*glamor_egl,
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EGLImageKHR image, GLuint * texture)
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{
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glamor_egl->dispatch->glGenTextures(1, texture);
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glamor_egl->dispatch->glBindTexture(GL_TEXTURE_2D, *texture);
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glamor_egl->dispatch->glTexParameteri(GL_TEXTURE_2D,
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GL_TEXTURE_MIN_FILTER, GL_NEAREST);
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glamor_egl->dispatch->glTexParameteri(GL_TEXTURE_2D,
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GL_TEXTURE_MAG_FILTER, GL_NEAREST);
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(glamor_egl->egl_image_target_texture2d_oes) (GL_TEXTURE_2D, image);
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glamor_egl->dispatch->glBindTexture(GL_TEXTURE_2D, 0);
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return TRUE;
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}
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unsigned int
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glamor_egl_create_argb8888_based_texture(ScreenPtr screen, int w, int h)
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{
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ScrnInfoPtr scrn = xf86ScreenToScrn(screen);
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struct glamor_egl_screen_private *glamor_egl;
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EGLImageKHR image;
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GLuint texture;
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#ifdef GLAMOR_HAS_DRI3_SUPPORT
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struct gbm_bo *bo;
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EGLNativePixmapType native_pixmap;
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glamor_egl = glamor_egl_get_screen_private(scrn);
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bo = gbm_bo_create(glamor_egl->gbm, w, h, GBM_FORMAT_ARGB8888,
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GBM_BO_USE_RENDERING | GBM_BO_USE_SCANOUT);
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if (!bo)
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return 0;
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/* If the following assignment raises an error or a warning
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* then that means EGLNativePixmapType is not struct gbm_bo *
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* on your platform: This code won't work and you should not
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* compile with dri3 support enabled */
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native_pixmap = bo;
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image = glamor_egl->egl_create_image_khr(glamor_egl->display,
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EGL_NO_CONTEXT,
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EGL_NATIVE_PIXMAP_KHR,
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native_pixmap, NULL);
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gbm_bo_destroy(bo);
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if (image == EGL_NO_IMAGE_KHR)
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return 0;
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glamor_create_texture_from_image(glamor_egl, image, &texture);
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glamor_egl->egl_destroy_image_khr(glamor_egl->display, image);
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return texture;
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#else
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return 0; /* this path should never happen */
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#endif
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}
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Bool
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glamor_egl_create_textured_screen(ScreenPtr screen, int handle, int stride)
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{
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ScrnInfoPtr scrn = xf86ScreenToScrn(screen);
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struct glamor_egl_screen_private *glamor_egl;
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PixmapPtr screen_pixmap;
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glamor_egl = glamor_egl_get_screen_private(scrn);
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screen_pixmap = screen->GetScreenPixmap(screen);
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if (!glamor_egl_create_textured_pixmap(screen_pixmap, handle, stride)) {
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xf86DrvMsg(scrn->scrnIndex, X_ERROR,
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"Failed to create textured screen.");
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return FALSE;
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}
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glamor_egl->front_image = dixLookupPrivate(&screen_pixmap->devPrivates,
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glamor_egl_pixmap_private_key);
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glamor_set_screen_pixmap(screen_pixmap, glamor_egl->back_pixmap);
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return TRUE;
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}
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Bool
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glamor_egl_create_textured_screen_ext(ScreenPtr screen,
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int handle,
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int stride, PixmapPtr *back_pixmap)
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{
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ScrnInfoPtr scrn = xf86ScreenToScrn(screen);
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struct glamor_egl_screen_private *glamor_egl;
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glamor_egl = glamor_egl_get_screen_private(scrn);
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glamor_egl->back_pixmap = back_pixmap;
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if (!glamor_egl_create_textured_screen(screen, handle, stride))
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return FALSE;
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return TRUE;
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}
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static Bool
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glamor_egl_check_has_gem(int fd)
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{
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struct drm_gem_flink flink;
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flink.handle = 0;
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ioctl(fd, DRM_IOCTL_GEM_FLINK, &flink);
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if (errno == ENOENT || errno == EINVAL)
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return TRUE;
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return FALSE;
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}
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Bool
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glamor_egl_create_textured_pixmap(PixmapPtr pixmap, int handle, int stride)
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{
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ScreenPtr screen = pixmap->drawable.pScreen;
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ScrnInfoPtr scrn = xf86ScreenToScrn(screen);
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struct glamor_egl_screen_private *glamor_egl;
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EGLImageKHR image;
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GLuint texture;
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int name;
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Bool ret = FALSE;
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glamor_egl = glamor_egl_get_screen_private(scrn);
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glamor_egl_make_current(screen);
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if (glamor_egl->has_gem) {
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if (!glamor_get_flink_name(glamor_egl->fd, handle, &name)) {
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xf86DrvMsg(scrn->scrnIndex, X_ERROR,
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"Couldn't flink pixmap handle\n");
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glamor_set_pixmap_type(pixmap, GLAMOR_DRM_ONLY);
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assert(0);
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return FALSE;
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}
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}
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else
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name = handle;
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image = _glamor_egl_create_image(glamor_egl,
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pixmap->drawable.width,
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pixmap->drawable.height,
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((stride * 8 +
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7) / pixmap->drawable.bitsPerPixel),
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name, pixmap->drawable.depth);
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if (image == EGL_NO_IMAGE_KHR) {
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glamor_set_pixmap_type(pixmap, GLAMOR_DRM_ONLY);
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goto done;
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}
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glamor_create_texture_from_image(glamor_egl, image, &texture);
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glamor_set_pixmap_type(pixmap, GLAMOR_TEXTURE_DRM);
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glamor_set_pixmap_texture(pixmap, texture);
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dixSetPrivate(&pixmap->devPrivates, glamor_egl_pixmap_private_key, image);
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ret = TRUE;
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done:
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glamor_egl_restore_context(screen);
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return ret;
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}
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Bool
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glamor_egl_create_textured_pixmap_from_gbm_bo(PixmapPtr pixmap, void *bo)
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{
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ScreenPtr screen = pixmap->drawable.pScreen;
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ScrnInfoPtr scrn = xf86ScreenToScrn(screen);
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struct glamor_egl_screen_private *glamor_egl;
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EGLImageKHR image;
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GLuint texture;
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Bool ret = FALSE;
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glamor_egl = glamor_egl_get_screen_private(scrn);
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glamor_egl_make_current(screen);
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image = glamor_egl->egl_create_image_khr(glamor_egl->display,
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glamor_egl->context,
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EGL_NATIVE_PIXMAP_KHR, bo, NULL);
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if (image == EGL_NO_IMAGE_KHR) {
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glamor_set_pixmap_type(pixmap, GLAMOR_DRM_ONLY);
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goto done;
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}
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glamor_create_texture_from_image(glamor_egl, image, &texture);
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glamor_set_pixmap_type(pixmap, GLAMOR_TEXTURE_DRM);
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glamor_set_pixmap_texture(pixmap, texture);
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dixSetPrivate(&pixmap->devPrivates, glamor_egl_pixmap_private_key, image);
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ret = TRUE;
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done:
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glamor_egl_restore_context(screen);
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return ret;
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}
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#ifdef GLAMOR_HAS_DRI3_SUPPORT
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int glamor_get_fd_from_bo(int gbm_fd, struct gbm_bo *bo, int *fd);
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void glamor_get_name_from_bo(int gbm_fd, struct gbm_bo *bo, int *name);
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int
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glamor_get_fd_from_bo(int gbm_fd, struct gbm_bo *bo, int *fd)
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{
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union gbm_bo_handle handle;
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struct drm_prime_handle args;
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handle = gbm_bo_get_handle(bo);
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args.handle = handle.u32;
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args.flags = DRM_CLOEXEC;
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if (ioctl(gbm_fd, DRM_IOCTL_PRIME_HANDLE_TO_FD, &args))
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return FALSE;
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*fd = args.fd;
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return TRUE;
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}
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void
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glamor_get_name_from_bo(int gbm_fd, struct gbm_bo *bo, int *name)
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{
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union gbm_bo_handle handle;
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handle = gbm_bo_get_handle(bo);
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if (!glamor_get_flink_name(gbm_fd, handle.u32, name))
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*name = -1;
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}
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#endif
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int
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glamor_egl_dri3_fd_name_from_tex(ScreenPtr screen,
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PixmapPtr pixmap,
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unsigned int tex,
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Bool want_name, CARD16 *stride, CARD32 *size)
|
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{
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#ifdef GLAMOR_HAS_DRI3_SUPPORT
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ScrnInfoPtr scrn = xf86ScreenToScrn(screen);
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struct glamor_egl_screen_private *glamor_egl;
|
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EGLImageKHR image;
|
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struct gbm_bo *bo;
|
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int fd = -1;
|
|
|
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EGLint attribs[] = {
|
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EGL_IMAGE_PRESERVED_KHR, EGL_TRUE,
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EGL_GL_TEXTURE_LEVEL_KHR, 0,
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EGL_NONE
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};
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glamor_egl = glamor_egl_get_screen_private(scrn);
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glamor_egl_make_current(screen);
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image = dixLookupPrivate(&pixmap->devPrivates,
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glamor_egl_pixmap_private_key);
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|
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if (image == EGL_NO_IMAGE_KHR || image == NULL) {
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image = glamor_egl->egl_create_image_khr(glamor_egl->display,
|
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glamor_egl->context,
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EGL_GL_TEXTURE_2D_KHR,
|
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(EGLClientBuffer) (uintptr_t)
|
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tex, attribs);
|
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if (image == EGL_NO_IMAGE_KHR)
|
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goto failure;
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dixSetPrivate(&pixmap->devPrivates,
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glamor_egl_pixmap_private_key, image);
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glamor_set_pixmap_type(pixmap, GLAMOR_TEXTURE_DRM);
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}
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bo = gbm_bo_import(glamor_egl->gbm, GBM_BO_IMPORT_EGL_IMAGE, image, 0);
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if (!bo)
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goto failure;
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pixmap->devKind = gbm_bo_get_stride(bo);
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|
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if (want_name) {
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if (glamor_egl->has_gem)
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glamor_get_name_from_bo(glamor_egl->fd, bo, &fd);
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}
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else {
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if (glamor_get_fd_from_bo(glamor_egl->fd, bo, &fd)) {
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*stride = pixmap->devKind;
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*size = pixmap->devKind * gbm_bo_get_height(bo);
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}
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}
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|
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gbm_bo_destroy(bo);
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failure:
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glamor_egl_restore_context(screen);
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return fd;
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#else
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return -1;
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#endif
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}
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|
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PixmapPtr
|
|
glamor_egl_dri3_pixmap_from_fd(ScreenPtr screen,
|
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int fd,
|
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CARD16 width,
|
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CARD16 height,
|
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CARD16 stride, CARD8 depth, CARD8 bpp)
|
|
{
|
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#ifdef GLAMOR_HAS_DRI3_SUPPORT
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ScrnInfoPtr scrn = xf86ScreenToScrn(screen);
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struct glamor_egl_screen_private *glamor_egl;
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struct gbm_bo *bo;
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EGLImageKHR image;
|
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PixmapPtr pixmap;
|
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Bool ret = FALSE;
|
|
|
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EGLint attribs[] = {
|
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EGL_WIDTH, 0,
|
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EGL_HEIGHT, 0,
|
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EGL_LINUX_DRM_FOURCC_EXT, DRM_FORMAT_ARGB8888,
|
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EGL_DMA_BUF_PLANE0_FD_EXT, 0,
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EGL_DMA_BUF_PLANE0_OFFSET_EXT, 0,
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EGL_DMA_BUF_PLANE0_PITCH_EXT, 0,
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EGL_NONE
|
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};
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glamor_egl = glamor_egl_get_screen_private(scrn);
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if (!glamor_egl->dri3_capable)
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return NULL;
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if (bpp != 32 || !(depth == 24 || depth == 32) || width == 0 || height == 0)
|
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return NULL;
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|
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attribs[1] = width;
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attribs[3] = height;
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attribs[7] = fd;
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attribs[11] = stride;
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image = glamor_egl->egl_create_image_khr(glamor_egl->display,
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EGL_NO_CONTEXT,
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EGL_LINUX_DMA_BUF_EXT,
|
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NULL, attribs);
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|
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if (image == EGL_NO_IMAGE_KHR)
|
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return NULL;
|
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|
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/* EGL_EXT_image_dma_buf_import can impose restrictions on the
|
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* usage of the image. Use gbm_bo to bypass the limitations. */
|
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|
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bo = gbm_bo_import(glamor_egl->gbm, GBM_BO_IMPORT_EGL_IMAGE, image, 0);
|
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glamor_egl->egl_destroy_image_khr(glamor_egl->display, image);
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if (!bo)
|
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return NULL;
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|
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pixmap = screen->CreatePixmap(screen, 0, 0, depth, 0);
|
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screen->ModifyPixmapHeader(pixmap, width, height, 0, 0, stride, NULL);
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|
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ret = glamor_egl_create_textured_pixmap_from_gbm_bo(pixmap, bo);
|
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gbm_bo_destroy(bo);
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|
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if (ret)
|
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return pixmap;
|
|
else {
|
|
screen->DestroyPixmap(pixmap);
|
|
return NULL;
|
|
}
|
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#else
|
|
return NULL;
|
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#endif
|
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}
|
|
|
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static void
|
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_glamor_egl_destroy_pixmap_image(PixmapPtr pixmap)
|
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{
|
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ScrnInfoPtr scrn = xf86ScreenToScrn(pixmap->drawable.pScreen);
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EGLImageKHR image;
|
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struct glamor_egl_screen_private *glamor_egl =
|
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glamor_egl_get_screen_private(scrn);
|
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|
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image = dixLookupPrivate(&pixmap->devPrivates,
|
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glamor_egl_pixmap_private_key);
|
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if (image != EGL_NO_IMAGE_KHR && image != NULL) {
|
|
/* 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.*/
|
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glamor_block_handler(pixmap->drawable.pScreen);
|
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glamor_egl->egl_destroy_image_khr(glamor_egl->display, image);
|
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dixSetPrivate(&pixmap->devPrivates, glamor_egl_pixmap_private_key,
|
|
NULL);
|
|
}
|
|
}
|
|
|
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_X_EXPORT void
|
|
glamor_egl_exchange_buffers(PixmapPtr front, PixmapPtr back)
|
|
{
|
|
ScrnInfoPtr scrn = xf86ScreenToScrn(front->drawable.pScreen);
|
|
struct glamor_egl_screen_private *glamor_egl =
|
|
glamor_egl_get_screen_private(scrn);
|
|
EGLImageKHR old_front_image;
|
|
EGLImageKHR new_front_image;
|
|
|
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glamor_pixmap_exchange_fbos(front, back);
|
|
new_front_image =
|
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dixLookupPrivate(&back->devPrivates, glamor_egl_pixmap_private_key);
|
|
old_front_image =
|
|
dixLookupPrivate(&front->devPrivates, glamor_egl_pixmap_private_key);
|
|
dixSetPrivate(&front->devPrivates, glamor_egl_pixmap_private_key,
|
|
new_front_image);
|
|
dixSetPrivate(&back->devPrivates, glamor_egl_pixmap_private_key,
|
|
old_front_image);
|
|
glamor_set_pixmap_type(front, GLAMOR_TEXTURE_DRM);
|
|
glamor_set_pixmap_type(back, GLAMOR_TEXTURE_DRM);
|
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glamor_egl->front_image = new_front_image;
|
|
|
|
}
|
|
|
|
void
|
|
glamor_egl_destroy_textured_pixmap(PixmapPtr pixmap)
|
|
{
|
|
if (pixmap->refcnt == 1)
|
|
_glamor_egl_destroy_pixmap_image(pixmap);
|
|
glamor_destroy_textured_pixmap(pixmap);
|
|
}
|
|
|
|
static Bool
|
|
glamor_egl_close_screen(ScreenPtr screen)
|
|
{
|
|
ScrnInfoPtr scrn;
|
|
struct glamor_egl_screen_private *glamor_egl;
|
|
PixmapPtr screen_pixmap;
|
|
EGLImageKHR back_image;
|
|
|
|
scrn = xf86ScreenToScrn(screen);
|
|
glamor_egl = glamor_egl_get_screen_private(scrn);
|
|
screen_pixmap = screen->GetScreenPixmap(screen);
|
|
|
|
glamor_egl->egl_destroy_image_khr(glamor_egl->display,
|
|
glamor_egl->front_image);
|
|
dixSetPrivate(&screen_pixmap->devPrivates, glamor_egl_pixmap_private_key,
|
|
NULL);
|
|
glamor_egl->front_image = NULL;
|
|
if (glamor_egl->back_pixmap && *glamor_egl->back_pixmap) {
|
|
back_image = dixLookupPrivate(&(*glamor_egl->back_pixmap)->devPrivates,
|
|
glamor_egl_pixmap_private_key);
|
|
if (back_image != NULL && back_image != EGL_NO_IMAGE_KHR) {
|
|
glamor_egl->egl_destroy_image_khr(glamor_egl->display, back_image);
|
|
dixSetPrivate(&(*glamor_egl->back_pixmap)->devPrivates,
|
|
glamor_egl_pixmap_private_key, NULL);
|
|
}
|
|
}
|
|
|
|
screen->CloseScreen = glamor_egl->saved_close_screen;
|
|
|
|
return screen->CloseScreen(screen);
|
|
}
|
|
|
|
static Bool
|
|
glamor_egl_has_extension(struct glamor_egl_screen_private *glamor_egl,
|
|
const char *extension)
|
|
{
|
|
const char *pext;
|
|
int ext_len;
|
|
|
|
ext_len = strlen(extension);
|
|
pext = (const char *) eglQueryString(glamor_egl->display, EGL_EXTENSIONS);
|
|
if (pext == NULL || extension == NULL)
|
|
return FALSE;
|
|
while ((pext = strstr(pext, extension)) != NULL) {
|
|
if (pext[ext_len] == ' ' || pext[ext_len] == '\0')
|
|
return TRUE;
|
|
pext += ext_len;
|
|
}
|
|
return FALSE;
|
|
}
|
|
|
|
void
|
|
glamor_egl_screen_init(ScreenPtr screen)
|
|
{
|
|
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;
|
|
}
|
|
|
|
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
|
|
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 (!glamor_egl_has_extension(glamor_egl, "EGL_" #EXT)) { \
|
|
ErrorF("EGL_" #EXT " required.\n"); \
|
|
return FALSE; \
|
|
}
|
|
|
|
#define GLAMOR_CHECK_EGL_EXTENSIONS(EXT1, EXT2) \
|
|
if (!glamor_egl_has_extension(glamor_egl, "EGL_" #EXT1) && \
|
|
!glamor_egl_has_extension(glamor_egl, "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_DRI3_SUPPORT
|
|
if (glamor_egl_has_extension(glamor_egl, "EGL_KHR_gl_texture_2D_image") &&
|
|
glamor_egl_has_extension(glamor_egl, "EGL_EXT_image_dma_buf_import"))
|
|
glamor_egl->dri3_capable = TRUE;
|
|
#endif
|
|
glamor_egl->egl_create_image_khr = (PFNEGLCREATEIMAGEKHRPROC)
|
|
eglGetProcAddress("eglCreateImageKHR");
|
|
|
|
glamor_egl->egl_destroy_image_khr = (PFNEGLDESTROYIMAGEKHRPROC)
|
|
eglGetProcAddress("eglDestroyImageKHR");
|
|
|
|
glamor_egl->egl_image_target_texture2d_oes =
|
|
(PFNGLEGLIMAGETARGETTEXTURE2DOESPROC)
|
|
eglGetProcAddress("glEGLImageTargetTexture2DOES");
|
|
|
|
if (!glamor_egl->egl_create_image_khr
|
|
|| !glamor_egl->egl_image_target_texture2d_oes) {
|
|
xf86DrvMsg(scrn->scrnIndex, X_ERROR, "eglGetProcAddress() failed\n");
|
|
return FALSE;
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
Bool
|
|
glamor_egl_init_textured_pixmap(ScreenPtr screen)
|
|
{
|
|
ScrnInfoPtr scrn = xf86ScreenToScrn(screen);
|
|
struct glamor_egl_screen_private *glamor_egl =
|
|
glamor_egl_get_screen_private(scrn);
|
|
if (!dixRegisterPrivateKey
|
|
(glamor_egl_pixmap_private_key, PRIVATE_PIXMAP, 0)) {
|
|
LogMessage(X_WARNING,
|
|
"glamor%d: Failed to allocate egl pixmap private\n",
|
|
screen->myNum);
|
|
return FALSE;
|
|
}
|
|
if (glamor_egl->dri3_capable)
|
|
glamor_enable_dri3(screen);
|
|
return TRUE;
|
|
}
|
|
|
|
Bool
|
|
glamor_gl_dispatch_init(ScreenPtr screen,
|
|
struct glamor_gl_dispatch *dispatch, int gl_version)
|
|
{
|
|
ScrnInfoPtr scrn = xf86ScreenToScrn(screen);
|
|
struct glamor_egl_screen_private *glamor_egl =
|
|
glamor_egl_get_screen_private(scrn);
|
|
if (!glamor_gl_dispatch_init_impl
|
|
(dispatch, gl_version, (get_proc_address_t) eglGetProcAddress))
|
|
return FALSE;
|
|
glamor_egl->dispatch = dispatch;
|
|
return TRUE;
|
|
}
|