diff options
Diffstat (limited to 'glamor/glamor_egl.c')
| -rw-r--r-- | glamor/glamor_egl.c | 860 |
1 files changed, 860 insertions, 0 deletions
diff --git a/glamor/glamor_egl.c b/glamor/glamor_egl.c new file mode 100644 index 000000000..ff4c0bdd9 --- /dev/null +++ b/glamor/glamor_egl.c @@ -0,0 +1,860 @@ +/* + * 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> + * + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#define GLAMOR_FOR_XORG +#include <xorg-server.h> +#include <unistd.h> +#include <fcntl.h> +#include <sys/ioctl.h> +#include <errno.h> +#include <xf86.h> +#include <xf86drm.h> +#define GL_GLEXT_PROTOTYPES +#define EGL_EGLEXT_PROTOTYPES +#define EGL_DISPLAY_NO_X_MESA + +#ifdef GLAMOR_HAS_GBM +#include <gbm.h> +#include <drm_fourcc.h> +#endif + +#if GLAMOR_GLES2 +#include <GLES2/gl2.h> +#include <GLES2/gl2ext.h> +#else +#include <GL/gl.h> +#endif + +#define MESA_EGL_NO_X11_HEADERS +#include <EGL/egl.h> +#include <EGL/eglext.h> + +#include "glamor.h" +#include "compat-api.h" +#include "glamor_gl_dispatch.h" +#ifdef GLX_USE_SHARED_DISPATCH +#include "glapi.h" +#endif + +static const char glamor_name[] = "glamor"; + +static DevPrivateKeyRec glamor_egl_pixmap_private_key_index; +DevPrivateKey glamor_egl_pixmap_private_key = &glamor_egl_pixmap_private_key_index; + +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; + + CreateScreenResourcesProcPtr CreateScreenResources; + CloseScreenProcPtr CloseScreen; + int fd; + EGLImageKHR front_image; + PixmapPtr *back_pixmap; + int cpp; +#ifdef GLAMOR_HAS_GBM + struct gbm_device *gbm; +#endif + int has_gem; + void *glamor_context; + void *current_context; + int gl_context_depth; + int dri3_capable; + + PFNEGLCREATEIMAGEKHRPROC egl_create_image_khr; + PFNEGLDESTROYIMAGEKHRPROC egl_destroy_image_khr; + PFNGLEGLIMAGETARGETTEXTURE2DOESPROC egl_image_target_texture2d_oes; + struct glamor_gl_dispatch *dispatch; + 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; +} +#ifdef GLX_USE_SHARED_DISPATCH +_X_EXPORT void +glamor_egl_make_current(ScreenPtr screen) +{ + ScrnInfoPtr scrn = xf86ScreenToScrn(screen); + struct glamor_egl_screen_private *glamor_egl = + glamor_egl_get_screen_private(scrn); + + if (glamor_egl->gl_context_depth++) + return; + + GET_CURRENT_CONTEXT(glamor_egl->current_context); + + if (glamor_egl->glamor_context != glamor_egl->current_context) { + eglMakeCurrent(glamor_egl->display, EGL_NO_SURFACE, + EGL_NO_SURFACE, EGL_NO_CONTEXT); + if (!eglMakeCurrent(glamor_egl->display, + EGL_NO_SURFACE, EGL_NO_SURFACE, + glamor_egl->context)) { + FatalError("Failed to make EGL context current\n"); + } + } +} + +_X_EXPORT void +glamor_egl_restore_context(ScreenPtr screen) +{ + ScrnInfoPtr scrn = xf86ScreenToScrn(screen); + struct glamor_egl_screen_private *glamor_egl = + glamor_egl_get_screen_private(scrn); + + if (--glamor_egl->gl_context_depth) + return; + + if (glamor_egl->current_context && + glamor_egl->glamor_context != glamor_egl->current_context) + SET_CURRENT_CONTEXT(glamor_egl->current_context); +} +#else +#define glamor_egl_make_current(x) +#define glamor_egl_restore_context(s) +#endif + +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 = glamor_egl->egl_create_image_khr(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(struct glamor_egl_screen_private + *glamor_egl, + EGLImageKHR image, GLuint * texture) +{ + glamor_egl->dispatch->glGenTextures(1, texture); + glamor_egl->dispatch->glBindTexture(GL_TEXTURE_2D, *texture); + glamor_egl->dispatch->glTexParameteri(GL_TEXTURE_2D, + GL_TEXTURE_MIN_FILTER, + GL_NEAREST); + glamor_egl->dispatch->glTexParameteri(GL_TEXTURE_2D, + GL_TEXTURE_MAG_FILTER, + GL_NEAREST); + + (glamor_egl->egl_image_target_texture2d_oes) (GL_TEXTURE_2D, + image); + glamor_egl->dispatch->glBindTexture(GL_TEXTURE_2D, 0); + return TRUE; +} + +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_DRI3_SUPPORT + 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 = glamor_egl->egl_create_image_khr(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(glamor_egl, image, &texture); + glamor_egl->egl_destroy_image_khr(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); + struct glamor_egl_screen_private *glamor_egl; + PixmapPtr screen_pixmap; + + glamor_egl = glamor_egl_get_screen_private(scrn); + 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_egl->front_image = dixLookupPrivate(&screen_pixmap->devPrivates, + glamor_egl_pixmap_private_key); + glamor_set_screen_pixmap(screen_pixmap, glamor_egl->back_pixmap); + return TRUE; +} + +Bool +glamor_egl_create_textured_screen_ext(ScreenPtr screen, + int handle, + int stride, + PixmapPtr *back_pixmap) +{ + ScrnInfoPtr scrn = xf86ScreenToScrn(screen); + struct glamor_egl_screen_private *glamor_egl; + + glamor_egl = glamor_egl_get_screen_private(scrn); + + glamor_egl->back_pixmap = back_pixmap; + if (!glamor_egl_create_textured_screen(screen, handle, stride)) + return FALSE; + return TRUE; +} + +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; +} + +Bool +glamor_egl_create_textured_pixmap(PixmapPtr pixmap, int handle, int stride) +{ + ScreenPtr screen = pixmap->drawable.pScreen; + ScrnInfoPtr scrn = xf86ScreenToScrn(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_egl_make_current(screen); + 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(glamor_egl, image, &texture); + glamor_set_pixmap_type(pixmap, GLAMOR_TEXTURE_DRM); + glamor_set_pixmap_texture(pixmap, texture); + dixSetPrivate(&pixmap->devPrivates, glamor_egl_pixmap_private_key, + image); + ret = TRUE; + +done: + glamor_egl_restore_context(screen); + 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_egl_screen_private *glamor_egl; + EGLImageKHR image; + GLuint texture; + Bool ret = FALSE; + + glamor_egl = glamor_egl_get_screen_private(scrn); + + glamor_egl_make_current(screen); + + image = glamor_egl->egl_create_image_khr(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(glamor_egl, image, &texture); + glamor_set_pixmap_type(pixmap, GLAMOR_TEXTURE_DRM); + glamor_set_pixmap_texture(pixmap, texture); + dixSetPrivate(&pixmap->devPrivates, glamor_egl_pixmap_private_key, + image); + ret = TRUE; + +done: + glamor_egl_restore_context(screen); + return ret; +} + +#ifdef GLAMOR_HAS_DRI3_SUPPORT +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_DRI3_SUPPORT + ScrnInfoPtr scrn = xf86ScreenToScrn(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_egl_make_current(screen); + + image = dixLookupPrivate(&pixmap->devPrivates, + glamor_egl_pixmap_private_key); + + if (image == EGL_NO_IMAGE_KHR || image == NULL) + { + image = glamor_egl->egl_create_image_khr(glamor_egl->display, + glamor_egl->context, + EGL_GL_TEXTURE_2D_KHR, + (EGLClientBuffer)(uintptr_t)tex, attribs); + if (image == EGL_NO_IMAGE_KHR) + goto failure; + + dixSetPrivate(&pixmap->devPrivates, + glamor_egl_pixmap_private_key, + image); + glamor_set_pixmap_type(pixmap, GLAMOR_TEXTURE_DRM); + } + + 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: + glamor_egl_restore_context(screen); + return fd; +#else + return -1; +#endif +} + +PixmapPtr glamor_egl_dri3_pixmap_from_fd (ScreenPtr screen, + int fd, + CARD16 width, + CARD16 height, + CARD16 stride, + CARD8 depth, + CARD8 bpp) +{ +#ifdef GLAMOR_HAS_DRI3_SUPPORT + 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 = glamor_egl->egl_create_image_khr(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); + glamor_egl->egl_destroy_image_khr(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 +} + +static void +_glamor_egl_destroy_pixmap_image(PixmapPtr pixmap) +{ + ScrnInfoPtr scrn = xf86ScreenToScrn(pixmap->drawable.pScreen); + EGLImageKHR image; + struct glamor_egl_screen_private *glamor_egl = + glamor_egl_get_screen_private(scrn); + + image = dixLookupPrivate(&pixmap->devPrivates, + glamor_egl_pixmap_private_key); + 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.*/ + glamor_block_handler(pixmap->drawable.pScreen); + glamor_egl->egl_destroy_image_khr(glamor_egl->display, image); + dixSetPrivate(&pixmap->devPrivates, glamor_egl_pixmap_private_key, NULL); + } +} + +_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; + + glamor_pixmap_exchange_fbos(front, back); + new_front_image = 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); + 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(CLOSE_SCREEN_ARGS_DECL) +{ + 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(CLOSE_SCREEN_ARGS); +} + +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(FREE_SCREEN_ARGS_DECL) +{ + ScrnInfoPtr scrn; + struct glamor_egl_screen_private *glamor_egl; +#ifndef XF86_SCRN_INTERFACE + scrn = xf86Screens[arg]; +#else + scrn = arg; +#endif + + 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(FREE_SCREEN_ARGS); + } +} + +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; + } +#ifdef GLX_USE_SHARED_DISPATCH + GET_CURRENT_CONTEXT(glamor_egl->glamor_context); +#endif + glamor_egl->saved_free_screen = scrn->FreeScreen; + scrn->FreeScreen = glamor_egl_free_screen; +#ifdef GLAMOR_GLES2 + xf86DrvMsg(scrn->scrnIndex, X_INFO, "Using GLES2.\n"); +#ifdef GLX_USE_SHARED_DISPATCH + xf86DrvMsg(scrn->scrnIndex, X_WARNING, "Glamor is using GLES2 but GLX needs GL. " + "Indirect GLX may not work correctly.\n"); +#endif +#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; +} |