egl: Add support for more EGLImage extensions to EGL core.

[mesa.git] / src / egl / main / eglmisc.c

diff --git a/src/egl/main/eglmisc.c b/src/egl/main/eglmisc.c
index b5bdc3ea4bfe48fc181ab68110dae12967930471..984e426686e4119d38a3a75d5050a56b3eb900cd 100644 (file)
--- a/src/egl/main/eglmisc.c
+++ b/src/egl/main/eglmisc.c
@@ -33,8 +33,33 @@
 
 #include <assert.h>
 #include <string.h>
-#include "eglglobals.h"
+#include "eglcurrent.h"
 #include "eglmisc.h"
+#include "egldisplay.h"
+
+
+/**
+ * Copy the extension into the string and update the string pointer.
+ */
+static EGLint
+_eglAppendExtension(char **str, const char *ext)
+{
+   char *s = *str;
+   EGLint len = strlen(ext);
+
+   if (s) {
+      memcpy(s, ext, len);
+      s[len++] = ' ';
+      s[len] = '\0';
+
+      *str += len;
+   }
+   else {
+      len++;
+   }
+
+   return len;
+}
 
 
 /**
@@ -42,42 +67,65 @@
  * the driver's Extensions string.
  */
 static void
-_eglUpdateExtensionsString(_EGLDriver *drv)
+_eglUpdateExtensionsString(_EGLDisplay *dpy)
 {
-   drv->Extensions.String[0] = 0;
-
-   if (drv->Extensions.MESA_screen_surface)
-      strcat(drv->Extensions.String, "EGL_MESA_screen_surface ");
-   if (drv->Extensions.MESA_copy_context)
-      strcat(drv->Extensions.String, "EGL_MESA_copy_context ");
-   assert(strlen(drv->Extensions.String) < _EGL_MAX_EXTENSIONS_LEN);
+#define _EGL_CHECK_EXTENSION(ext)                                          \
+   do {                                                                    \
+      if (dpy->Extensions.ext) {                                           \
+         _eglAppendExtension(&exts, "EGL_" #ext);                          \
+         assert(exts <= dpy->Extensions.String + _EGL_MAX_EXTENSIONS_LEN); \
+      }                                                                    \
+   } while (0)
+
+   char *exts = dpy->Extensions.String;
+
+   if (exts[0])
+      return;
+
+   _EGL_CHECK_EXTENSION(MESA_screen_surface);
+   _EGL_CHECK_EXTENSION(MESA_copy_context);
+
+   _EGL_CHECK_EXTENSION(KHR_image_base);
+   _EGL_CHECK_EXTENSION(KHR_image_pixmap);
+   if (dpy->Extensions.KHR_image_base && dpy->Extensions.KHR_image_pixmap)
+      _eglAppendExtension(&exts, "EGL_KHR_image");
+
+   _EGL_CHECK_EXTENSION(KHR_vg_parent_image);
+   _EGL_CHECK_EXTENSION(KHR_gl_texture_2D_image);
+   _EGL_CHECK_EXTENSION(KHR_gl_texture_cubemap_image);
+   _EGL_CHECK_EXTENSION(KHR_gl_texture_3D_image);
+   _EGL_CHECK_EXTENSION(KHR_gl_renderbuffer_image);
+
+#undef _EGL_CHECK_EXTENSION
 }
 
 
 static void
-_eglUpdateAPIsString(_EGLDriver *drv)
+_eglUpdateAPIsString(_EGLDisplay *dpy)
 {
-   _eglGlobal.ClientAPIs[0] = 0;
+   char *apis = dpy->ClientAPIs;
 
-   if (_eglGlobal.ClientAPIsMask & EGL_OPENGL_BIT)
-      strcat(_eglGlobal.ClientAPIs, "OpenGL ");
+   if (apis[0] || !dpy->ClientAPIsMask)
+      return;
 
-   if (_eglGlobal.ClientAPIsMask & EGL_OPENGL_ES_BIT)
-      strcat(_eglGlobal.ClientAPIs, "OpenGL_ES ");
+   if (dpy->ClientAPIsMask & EGL_OPENGL_BIT)
+      strcat(apis, "OpenGL ");
 
-   if (_eglGlobal.ClientAPIsMask & EGL_OPENGL_ES2_BIT)
-      strcat(_eglGlobal.ClientAPIs, "OpenGL_ES2 ");
+   if (dpy->ClientAPIsMask & EGL_OPENGL_ES_BIT)
+      strcat(apis, "OpenGL_ES ");
 
-   if (_eglGlobal.ClientAPIsMask & EGL_OPENVG_BIT)
-      strcat(_eglGlobal.ClientAPIs, "OpenVG ");
+   if (dpy->ClientAPIsMask & EGL_OPENGL_ES2_BIT)
+      strcat(apis, "OpenGL_ES2 ");
 
-   assert(strlen(_eglGlobal.ClientAPIs) < sizeof(_eglGlobal.ClientAPIs));
-}
+   if (dpy->ClientAPIsMask & EGL_OPENVG_BIT)
+      strcat(apis, "OpenVG ");
 
+   assert(strlen(apis) < sizeof(dpy->ClientAPIs));
+}
 
 
 const char *
-_eglQueryString(_EGLDriver *drv, EGLDisplay dpy, EGLint name)
+_eglQueryString(_EGLDriver *drv, _EGLDisplay *dpy, EGLint name)
 {
    (void) drv;
    (void) dpy;
@@ -85,14 +133,14 @@ _eglQueryString(_EGLDriver *drv, EGLDisplay dpy, EGLint name)
    case EGL_VENDOR:
       return _EGL_VENDOR_STRING;
    case EGL_VERSION:
-      return drv->Version;
+      return dpy->Version;
    case EGL_EXTENSIONS:
-      _eglUpdateExtensionsString(drv);
-      return drv->Extensions.String;
+      _eglUpdateExtensionsString(dpy);
+      return dpy->Extensions.String;
 #ifdef EGL_VERSION_1_2
    case EGL_CLIENT_APIS:
-      _eglUpdateAPIsString(drv);
-      return _eglGlobal.ClientAPIs;
+      _eglUpdateAPIsString(dpy);
+      return dpy->ClientAPIs;
 #endif
    default:
       _eglError(EGL_BAD_PARAMETER, "eglQueryString");
@@ -102,17 +150,18 @@ _eglQueryString(_EGLDriver *drv, EGLDisplay dpy, EGLint name)
 
 
 EGLBoolean
-_eglWaitGL(_EGLDriver *drv, EGLDisplay dpy)
+_eglWaitClient(_EGLDriver *drv, _EGLDisplay *dpy, _EGLContext *ctx)
 {
    /* just a placeholder */
    (void) drv;
    (void) dpy;
+   (void) ctx;
    return EGL_TRUE;
 }
 
 
 EGLBoolean
-_eglWaitNative(_EGLDriver *drv, EGLDisplay dpy, EGLint engine)
+_eglWaitNative(_EGLDriver *drv, _EGLDisplay *dpy, EGLint engine)
 {
    /* just a placeholder */
    (void) drv;