From b7a8893a2413adfddf4dc836676a19463fb6ffd7 Mon Sep 17 00:00:00 2001 From: Kristian Høgsberg Date: Fri, 4 Jun 2010 14:28:59 -0400 Subject: egl: Add EGL_MESA_drm_image extension Create EGLImages from DRM buffer handles. --- src/egl/main/eglapi.c | 43 +++++++++++++++++++++++++++++++++++++++++++ src/egl/main/eglapi.h | 10 ++++++++++ src/egl/main/egldisplay.h | 1 + src/egl/main/eglmisc.c | 1 + 4 files changed, 55 insertions(+) (limited to 'src') diff --git a/src/egl/main/eglapi.c b/src/egl/main/eglapi.c index c62459ec6f..31c5419bbc 100644 --- a/src/egl/main/eglapi.c +++ b/src/egl/main/eglapi.c @@ -893,6 +893,10 @@ eglGetProcAddress(const char *procname) #endif /* EGL_KHR_image_base */ #ifdef EGL_NOK_swap_region { "eglSwapBuffersRegionNOK", (_EGLProc) eglSwapBuffersRegionNOK }, +#endif +#ifdef EGL_MESA_drm_image + { "eglCreateDRMImageMESA", (_EGLProc) eglCreateDRMImageMESA }, + { "eglExportDRMImageMESA", (_EGLProc) eglExportDRMImageMESA }, #endif { NULL, NULL } }; @@ -1416,3 +1420,42 @@ eglSwapBuffersRegionNOK(EGLDisplay dpy, EGLSurface surface, } #endif /* EGL_NOK_swap_region */ + + +#ifdef EGL_MESA_drm_image + +EGLImageKHR EGLAPIENTRY +eglCreateDRMImageMESA(EGLDisplay dpy, const EGLint *attr_list) +{ + _EGLDisplay *disp = _eglLockDisplay(dpy); + _EGLDriver *drv; + _EGLImage *img; + EGLImageKHR ret; + + _EGL_CHECK_DISPLAY(disp, EGL_NO_IMAGE_KHR, drv); + + img = drv->API.CreateDRMImageMESA(drv, disp, attr_list); + ret = (img) ? _eglLinkImage(img, disp) : EGL_NO_IMAGE_KHR; + + RETURN_EGL_EVAL(disp, ret); +} + +EGLBoolean EGLAPIENTRY +eglExportDRMImageMESA(EGLDisplay dpy, EGLImageKHR image, + EGLint *name, EGLint *handle, EGLint *stride) +{ + _EGLDisplay *disp = _eglLockDisplay(dpy); + _EGLImage *img = _eglLookupImage(image, disp); + _EGLDriver *drv; + EGLBoolean ret; + + _EGL_CHECK_DISPLAY(disp, EGL_FALSE, drv); + if (!img) + RETURN_EGL_ERROR(disp, EGL_BAD_PARAMETER, EGL_FALSE); + + ret = drv->API.ExportDRMImageMESA(drv, disp, img, name, handle, stride); + + RETURN_EGL_EVAL(disp, ret); +} + +#endif diff --git a/src/egl/main/eglapi.h b/src/egl/main/eglapi.h index 5045a9a272..127becc9ac 100644 --- a/src/egl/main/eglapi.h +++ b/src/egl/main/eglapi.h @@ -90,6 +90,11 @@ typedef EGLBoolean (*GetSyncAttribKHR_t)(_EGLDriver *drv, _EGLDisplay *dpy, _EGL typedef EGLBoolean (*SwapBuffersRegionNOK_t)(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surf, EGLint numRects, const EGLint *rects); #endif +#ifdef EGL_MESA_drm_image +typedef _EGLImage *(*CreateDRMImageMESA_t)(_EGLDriver *drv, _EGLDisplay *disp, const EGLint *attr_list); +typedef EGLBoolean (*ExportDRMImageMESA_t)(_EGLDriver *drv, _EGLDisplay *disp, _EGLImage *img, EGLint *name, EGLint *handle, EGLint *stride); +#endif + /** * The API dispatcher jumps through these functions */ @@ -159,6 +164,11 @@ struct _egl_api #ifdef EGL_NOK_swap_region SwapBuffersRegionNOK_t SwapBuffersRegionNOK; #endif + +#ifdef EGL_MESA_drm_image + CreateDRMImageMESA_t CreateDRMImageMESA; + ExportDRMImageMESA_t ExportDRMImageMESA; +#endif }; #endif /* EGLAPI_INCLUDED */ diff --git a/src/egl/main/egldisplay.h b/src/egl/main/egldisplay.h index 97c9d196ec..3863cce010 100644 --- a/src/egl/main/egldisplay.h +++ b/src/egl/main/egldisplay.h @@ -54,6 +54,7 @@ struct _egl_extensions EGLBoolean MESA_screen_surface; EGLBoolean MESA_copy_context; EGLBoolean MESA_drm_display; + EGLBoolean MESA_drm_image; EGLBoolean KHR_image_base; EGLBoolean KHR_image_pixmap; diff --git a/src/egl/main/eglmisc.c b/src/egl/main/eglmisc.c index b10783bcb9..eb3dde1fb4 100644 --- a/src/egl/main/eglmisc.c +++ b/src/egl/main/eglmisc.c @@ -85,6 +85,7 @@ _eglUpdateExtensionsString(_EGLDisplay *dpy) _EGL_CHECK_EXTENSION(MESA_screen_surface); _EGL_CHECK_EXTENSION(MESA_copy_context); _EGL_CHECK_EXTENSION(MESA_drm_display); + _EGL_CHECK_EXTENSION(MESA_drm_image); _EGL_CHECK_EXTENSION(KHR_image_base); _EGL_CHECK_EXTENSION(KHR_image_pixmap); -- cgit v1.2.3