android: Add new classic EGL driver for Android.

1 files changed, 327 insertions, 0 deletions

diff --git a/src/egl/drivers/android/droid_core.c b/src/egl/drivers/android/droid_core.c
new file mode 100644
index 0000000000..82c21d4aa9
--- /dev/null
+++ b/src/egl/drivers/android/droid_core.c
@@ -0,0 +1,327 @@
+/*
+ * 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:
+ *    Kristian Høgsberg <krh@bitplanet.net>
+ */
+
+#include "droid.h"
+
+static _EGLContext *
+droid_create_context(_EGLDriver *drv, _EGLDisplay *disp, _EGLConfig *conf,
+		    _EGLContext *share_list, const EGLint *attrib_list)
+{
+   struct droid_egl_context *dctx;
+   struct droid_egl_display *ddpy = droid_egl_display(disp);
+   struct droid_egl_context *dctx_shared = droid_egl_context(share_list);
+   struct droid_egl_config *dconf = droid_egl_config(conf);
+   const __DRIconfig *dri_config;
+   int api;
+
+   (void) drv;
+
+   dctx = calloc(1, sizeof *dctx);
+   if (!dctx) {
+      _eglError(EGL_BAD_ALLOC, "eglCreateContext");
+      return NULL;
+   }
+
+   if (!_eglInitContext(&dctx->base, disp, conf, attrib_list))
+      goto cleanup;
+
+   switch (dctx->base.ClientAPI) {
+   case EGL_OPENGL_ES_API:
+      switch (dctx->base.ClientVersion) {
+      case 1:
+         api = __DRI_API_GLES;
+         break;
+      case 2:
+         api = __DRI_API_GLES2;
+         break;
+      default:
+	 _eglError(EGL_BAD_PARAMETER, "eglCreateContext");
+	 return NULL;
+      }
+      break;
+   case EGL_OPENGL_API:
+      api = __DRI_API_OPENGL;
+      break;
+   default:
+      _eglError(EGL_BAD_PARAMETER, "eglCreateContext");
+      return NULL;
+   }
+
+   if (conf != NULL)
+      dri_config = dconf->dri_config;
+   else
+      dri_config = NULL;
+
+   if (ddpy->dri2->base.version >= 2) {
+      dctx->dri_context =
+	 ddpy->dri2->createNewContextForAPI(ddpy->dri_screen,
+						api,
+						dri_config,
+						dctx_shared ? 
+						dctx_shared->dri_context : NULL,
+						dctx);
+   } else if (api == __DRI_API_OPENGL) {
+      dctx->dri_context =
+	 ddpy->dri2->createNewContext(ddpy->dri_screen,
+					  dconf->dri_config,
+					  dctx_shared ? 
+					  dctx_shared->dri_context : NULL,
+					  dctx);
+   } else {
+      /* fail */
+   }
+
+   if (!dctx->dri_context)
+      goto cleanup;
+
+   return &dctx->base;
+
+ cleanup:
+   free(dctx);
+   return NULL;
+}
+
+static _EGLSurface *
+droid_create_surface(_EGLDriver *drv, _EGLDisplay *disp, EGLint type,
+		    _EGLConfig *conf, EGLNativeWindowType window,
+		    const EGLint *attrib_list)
+{
+   struct droid_egl_display *ddpy = droid_egl_display(disp);
+   struct droid_egl_config *dconf = droid_egl_config(conf);
+   struct droid_egl_surface *dsurf;
+   int format, vis_type;
+
+   (void) drv;
+
+   if (!window || window->common.magic != ANDROID_NATIVE_WINDOW_MAGIC) {
+      _eglError(EGL_BAD_NATIVE_WINDOW, "droid_create_surface");
+      return NULL;
+   }
+   if (window->query(window, NATIVE_WINDOW_FORMAT, &format)) {
+      _eglError(EGL_BAD_NATIVE_WINDOW, "droid_create_surface");
+      return NULL;
+   }
+
+   vis_type = _eglGetConfigKey(&dconf->base, EGL_NATIVE_VISUAL_TYPE);
+   if (format != vis_type) {
+      _eglLog(_EGL_WARNING, "Native format mismatch: 0x%x != 0x%x",
+            format, vis_type);
+   }
+
+   dsurf = calloc(1, sizeof *dsurf);
+   if (!dsurf) {
+      _eglError(EGL_BAD_ALLOC, "droid_create_surface");
+      return NULL;
+   }
+
+   if (!_eglInitSurface(&dsurf->base, disp, type, conf, attrib_list))
+      goto cleanup_surf;
+
+   dsurf->dri_drawable =
+      (*ddpy->dri2->createNewDrawable) (ddpy->dri_screen,
+					    dconf->dri_config, dsurf);
+   if (dsurf->dri_drawable == NULL) {
+      _eglError(EGL_BAD_ALLOC, "dri2->createNewDrawable");
+      goto cleanup_pixmap;
+   }
+
+   window->common.incRef(&window->common);
+   window->query(window, NATIVE_WINDOW_WIDTH, &dsurf->base.Width);
+   window->query(window, NATIVE_WINDOW_HEIGHT, &dsurf->base.Height);
+
+   dsurf->window = window;
+
+   return &dsurf->base;
+
+ cleanup_dri_drawable:
+   ddpy->core->destroyDrawable(dsurf->dri_drawable);
+ cleanup_pixmap:
+ cleanup_surf:
+   free(dsurf);
+
+   return NULL;
+}
+
+static _EGLSurface *
+droid_create_window_surface(_EGLDriver *drv, _EGLDisplay *disp,
+			   _EGLConfig *conf, EGLNativeWindowType window,
+			   const EGLint *attrib_list)
+{
+   return droid_create_surface(drv, disp, EGL_WINDOW_BIT, conf,
+			      window, attrib_list);
+}
+
+static _EGLSurface *
+droid_create_pixmap_surface(_EGLDriver *drv, _EGLDisplay *disp,
+			   _EGLConfig *conf, EGLNativePixmapType pixmap,
+			   const EGLint *attrib_list)
+{
+   return NULL;
+}
+
+static _EGLSurface *
+droid_create_pbuffer_surface(_EGLDriver *drv, _EGLDisplay *disp,
+			    _EGLConfig *conf, const EGLint *attrib_list)
+{
+   return NULL;
+}
+
+static EGLBoolean
+droid_destroy_surface(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surf)
+{
+   struct droid_egl_display *ddpy = droid_egl_display(disp);
+   struct droid_egl_surface *dsurf = droid_egl_surface(surf);
+
+   (void) drv;
+
+   if (!_eglPutSurface(surf))
+      return EGL_TRUE;
+
+   (*ddpy->core->destroyDrawable)(dsurf->dri_drawable);
+
+   droid_enqueue_buffer(dsurf);
+   dsurf->window->common.decRef(&dsurf->window->common);
+
+   free(surf);
+
+   return EGL_TRUE;
+}
+
+static EGLBoolean
+droid_make_current(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *dsurf,
+		  _EGLSurface *rsurf, _EGLContext *ctx)
+{
+   struct droid_egl_driver *ddrv = droid_egl_driver(drv);
+   struct droid_egl_display *ddpy = droid_egl_display(disp);
+   struct droid_egl_surface *droid_dsurf = droid_egl_surface(dsurf);
+   struct droid_egl_surface *droid_rsurf = droid_egl_surface(rsurf);
+   struct droid_egl_context *dctx = droid_egl_context(ctx);
+   _EGLContext *old_ctx;
+   _EGLSurface *old_dsurf, *old_rsurf;
+   __DRIdrawable *ddraw, *rdraw;
+   __DRIcontext *cctx;
+
+   /* make new bindings */
+   if (!_eglBindContext(ctx, dsurf, rsurf, &old_ctx, &old_dsurf, &old_rsurf))
+      return EGL_FALSE;
+
+   /* flush before context switch */
+   if (old_ctx && ddrv->glFlush)
+      ddrv->glFlush();
+
+   ddraw = (droid_dsurf) ? droid_dsurf->dri_drawable : NULL;
+   rdraw = (droid_rsurf) ? droid_rsurf->dri_drawable : NULL;
+   cctx = (dctx) ? dctx->dri_context : NULL;
+
+   if ((cctx == NULL && ddraw == NULL && rdraw == NULL) ||
+       ddpy->core->bindContext(cctx, ddraw, rdraw)) {
+      droid_destroy_surface(drv, disp, old_dsurf);
+      droid_destroy_surface(drv, disp, old_rsurf);
+      if (old_ctx) {
+         /* unbind the old context only when there is no new context bound */
+         if (!ctx) {
+            __DRIcontext *old_cctx = droid_egl_context(old_ctx)->dri_context;
+            ddpy->core->unbindContext(old_cctx);
+         }
+         /* no destroy? */
+         _eglPutContext(old_ctx);
+      }
+
+      return EGL_TRUE;
+   } else {
+      /* undo the previous _eglBindContext */
+      _eglBindContext(old_ctx, old_dsurf, old_rsurf, &ctx, &dsurf, &rsurf);
+      assert(&dctx->base == ctx &&
+             &droid_dsurf->base == dsurf &&
+             &droid_rsurf->base == rsurf);
+
+      _eglPutSurface(dsurf);
+      _eglPutSurface(rsurf);
+      _eglPutContext(ctx);
+
+      _eglPutSurface(old_dsurf);
+      _eglPutSurface(old_rsurf);
+      _eglPutContext(old_ctx);
+
+      return EGL_FALSE;
+   }
+}
+
+static EGLBoolean
+droid_swap_buffers(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *draw)
+{
+   struct droid_egl_driver *ddrv = droid_egl_driver(drv);
+   struct droid_egl_display *ddpy = droid_egl_display(disp);
+   struct droid_egl_surface *dsurf = droid_egl_surface(draw);
+   _EGLContext *ctx;
+
+   if (ddrv->glFlush) {
+      ctx = _eglGetCurrentContext();
+      if (ctx && ctx->DrawSurface == &dsurf->base)
+         ddrv->glFlush();
+   }
+
+   (*ddpy->flush->flush)(dsurf->dri_drawable);
+
+   if (dsurf->buffer)
+      droid_enqueue_buffer(dsurf);
+
+   (*ddpy->flush->invalidate)(dsurf->dri_drawable);
+
+   return EGL_TRUE;
+}
+
+static EGLBoolean
+droid_wait_client(_EGLDriver *drv, _EGLDisplay *disp, _EGLContext *ctx)
+{
+   struct droid_egl_driver *ddrv = droid_egl_driver(drv);
+   struct droid_egl_display *ddpy = droid_egl_display(disp);
+   struct droid_egl_surface *dsurf = droid_egl_surface(ctx->DrawSurface);
+
+   if (ddrv->glFinish)
+      ddrv->glFinish();
+
+   if (dsurf)
+      (*ddpy->flush->flush)(dsurf->dri_drawable);
+
+   return EGL_TRUE;
+}
+
+void
+droid_init_core_functions(_EGLDriver *drv)
+{
+   struct droid_egl_driver *ddrv = droid_egl_driver(drv);
+
+   ddrv->base.API.CreateContext = droid_create_context;
+   ddrv->base.API.CreateWindowSurface = droid_create_window_surface;
+   ddrv->base.API.CreatePixmapSurface = droid_create_pixmap_surface;
+   ddrv->base.API.CreatePbufferSurface = droid_create_pbuffer_surface;
+   ddrv->base.API.DestroySurface = droid_destroy_surface;
+   ddrv->base.API.MakeCurrent = droid_make_current;
+   ddrv->base.API.SwapBuffers = droid_swap_buffers;
+   ddrv->base.API.WaitClient = droid_wait_client;
+}