st/egl_g3d: New EGL state tracker that uses Gallium.

This new (intermediate) EGL state tracker is the base work for EGL
drivers that uses Gallium.  It makes it easier to support new window
systems.

Currently, there is support only for X11.  This driver supports multiple
APIs (OpenVG, OpenGL, ...) and supports hardware acceleration through
winsys/drm.

Signed-off-by: Chia-I Wu <[email protected]>

1 files changed, 113 insertions, 0 deletions

diff --git a/src/gallium/state_trackers/egl_g3d/common/egl_g3d.h b/src/gallium/state_trackers/egl_g3d/common/egl_g3d.h
new file mode 100644
index 00000000000..525bb488e2d
--- /dev/null
+++ b/src/gallium/state_trackers/egl_g3d/common/egl_g3d.h
@@ -0,0 +1,113 @@
+/*
+ * Mesa 3-D graphics library
+ * Version:  7.8
+ *
+ * Copyright (C) 2009-2010 Chia-I Wu <[email protected]>
+ *
+ * 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 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
+ * BRIAN PAUL 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.
+ */
+
+#ifndef _EGL_G3D_H_
+#define _EGL_G3D_H_
+
+#include "pipe/p_compiler.h"
+#include "pipe/p_screen.h"
+#include "pipe/p_context.h"
+#include "pipe/p_format.h"
+#include "egldriver.h"
+#include "egldisplay.h"
+#include "eglcontext.h"
+#include "eglsurface.h"
+#include "eglconfig.h"
+
+#include "native.h"
+#include "egl_st.h"
+
+struct egl_g3d_driver {
+   _EGLDriver base;
+   const struct egl_g3d_st *stapis[NUM_EGL_G3D_STS];
+   EGLint api_mask;
+};
+
+struct egl_g3d_display {
+   struct native_display *native;
+};
+
+struct egl_g3d_buffer {
+   struct st_framebuffer *st_fb;
+   EGLint num_atts;
+   enum native_attachment native_atts[NUM_NATIVE_ATTACHMENTS];
+   uint st_atts[NUM_NATIVE_ATTACHMENTS];
+};
+
+struct egl_g3d_context {
+   _EGLContext base;
+
+   const struct egl_g3d_st *stapi;
+   struct pipe_context *pipe;
+
+   struct st_context *st_ctx;
+   EGLBoolean force_validate;
+   struct egl_g3d_buffer draw, read;
+};
+
+struct egl_g3d_surface {
+   _EGLSurface base;
+   struct native_surface *native;
+   enum native_attachment render_att;
+   struct pipe_surface *render_surface;
+};
+
+struct egl_g3d_config {
+   _EGLConfig base;
+   const struct native_config *native;
+};
+
+
+static INLINE struct egl_g3d_driver *
+egl_g3d_driver(_EGLDriver *drv)
+{
+   return (struct egl_g3d_driver *) drv;
+}
+
+static INLINE struct egl_g3d_display *
+egl_g3d_display(_EGLDisplay *dpy)
+{
+   /* note that it is not direct casting */
+   return (struct egl_g3d_display *) dpy->DriverData;
+}
+
+static INLINE struct egl_g3d_context *
+egl_g3d_context(_EGLContext *ctx)
+{
+   return (struct egl_g3d_context *) ctx;
+}
+
+static INLINE struct egl_g3d_surface *
+egl_g3d_surface(_EGLSurface *surf)
+{
+   return (struct egl_g3d_surface *) surf;
+}
+
+static INLINE struct egl_g3d_config *
+egl_g3d_config(_EGLConfig *conf)
+{
+   return (struct egl_g3d_config *) conf;
+}
+
+#endif /* _EGL_G3D_H_ */