1 files changed, 118 insertions, 0 deletions
diff --git a/xorg-server/glamor/glamor_gl_dispatch.c b/xorg-server/glamor/glamor_gl_dispatch.c
new file mode 100644
index 000000000..da99e2627
--- /dev/null
+++ b/xorg-server/glamor/glamor_gl_dispatch.c
@@ -0,0 +1,118 @@
+/*
+ * Copyright © 2009 Intel Corporation
+ * Copyright © 1998 Keith Packard
+ *
+ * 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@gmail.com>
+ *
+ */
+
+#include "glamor_priv.h"
+#include <dlfcn.h>
+
+#define INIT_FUNC(dst,func_name,get)			\
+  dst->func_name = get(#func_name);			\
+  if (dst->func_name == NULL) {				\
+    dst->func_name = (void *)dlsym(NULL, #func_name);	\
+    if (dst->func_name == NULL) {			\
+      ErrorF("Failed to get function %s\n", #func_name);\
+      goto fail;					\
+    }							\
+  }							\
+
+_X_EXPORT Bool
+glamor_gl_dispatch_init_impl(struct glamor_gl_dispatch *dispatch,
+			     int gl_version,
+			     void *(*get_proc_address) (const char *))
+{
+#ifndef GLAMOR_GLES2
+	INIT_FUNC(dispatch, glMatrixMode, get_proc_address);
+	INIT_FUNC(dispatch, glLoadIdentity, get_proc_address);
+	INIT_FUNC(dispatch, glRasterPos2i, get_proc_address);
+	INIT_FUNC(dispatch, glDrawPixels, get_proc_address);
+	INIT_FUNC(dispatch, glLogicOp, get_proc_address);
+	INIT_FUNC(dispatch, glMapBuffer, get_proc_address);
+	INIT_FUNC(dispatch, glMapBufferRange, get_proc_address);
+	INIT_FUNC(dispatch, glUnmapBuffer, get_proc_address);
+	INIT_FUNC(dispatch, glBlitFramebuffer, get_proc_address);
+	INIT_FUNC(dispatch, glDrawRangeElements, get_proc_address);
+#endif
+	INIT_FUNC(dispatch, glViewport, get_proc_address);
+	INIT_FUNC(dispatch, glDrawArrays, get_proc_address);
+	INIT_FUNC(dispatch, glDrawElements, get_proc_address);
+	INIT_FUNC(dispatch, glReadPixels, get_proc_address);
+	INIT_FUNC(dispatch, glPixelStorei, get_proc_address);
+	INIT_FUNC(dispatch, glTexParameteri, get_proc_address);
+	INIT_FUNC(dispatch, glTexImage2D, get_proc_address);
+	INIT_FUNC(dispatch, glGenTextures, get_proc_address);
+	INIT_FUNC(dispatch, glDeleteTextures, get_proc_address);
+	INIT_FUNC(dispatch, glBindTexture, get_proc_address);
+	INIT_FUNC(dispatch, glTexSubImage2D, get_proc_address);
+	INIT_FUNC(dispatch, glFlush, get_proc_address);
+	INIT_FUNC(dispatch, glFinish, get_proc_address);
+	INIT_FUNC(dispatch, glGetIntegerv, get_proc_address);
+	INIT_FUNC(dispatch, glGetString, get_proc_address);
+	INIT_FUNC(dispatch, glScissor, get_proc_address);
+	INIT_FUNC(dispatch, glEnable, get_proc_address);
+	INIT_FUNC(dispatch, glDisable, get_proc_address);
+	INIT_FUNC(dispatch, glBlendFunc, get_proc_address);
+	INIT_FUNC(dispatch, glActiveTexture, get_proc_address);
+	INIT_FUNC(dispatch, glGenBuffers, get_proc_address);
+	INIT_FUNC(dispatch, glBufferData, get_proc_address);
+	INIT_FUNC(dispatch, glBindBuffer, get_proc_address);
+	INIT_FUNC(dispatch, glDeleteBuffers, get_proc_address);
+	INIT_FUNC(dispatch, glFramebufferTexture2D, get_proc_address);
+	INIT_FUNC(dispatch, glBindFramebuffer, get_proc_address);
+	INIT_FUNC(dispatch, glDeleteFramebuffers, get_proc_address);
+	INIT_FUNC(dispatch, glGenFramebuffers, get_proc_address);
+	INIT_FUNC(dispatch, glCheckFramebufferStatus, get_proc_address);
+	INIT_FUNC(dispatch, glVertexAttribPointer, get_proc_address);
+	INIT_FUNC(dispatch, glDisableVertexAttribArray, get_proc_address);
+	INIT_FUNC(dispatch, glEnableVertexAttribArray, get_proc_address);
+	INIT_FUNC(dispatch, glBindAttribLocation, get_proc_address);
+	INIT_FUNC(dispatch, glLinkProgram, get_proc_address);
+	INIT_FUNC(dispatch, glShaderSource, get_proc_address);
+
+	INIT_FUNC(dispatch, glUseProgram, get_proc_address);
+	INIT_FUNC(dispatch, glUniform1i, get_proc_address);
+	INIT_FUNC(dispatch, glUniform1f, get_proc_address);
+	INIT_FUNC(dispatch, glUniform4f, get_proc_address);
+	INIT_FUNC(dispatch, glUniform4fv, get_proc_address);
+	INIT_FUNC(dispatch, glUniform1fv, get_proc_address);
+	INIT_FUNC(dispatch, glUniform2fv, get_proc_address);
+	INIT_FUNC(dispatch, glUniformMatrix3fv, get_proc_address);
+	INIT_FUNC(dispatch, glCreateProgram, get_proc_address);
+	INIT_FUNC(dispatch, glDeleteProgram, get_proc_address);
+	INIT_FUNC(dispatch, glCreateShader, get_proc_address);
+	INIT_FUNC(dispatch, glCompileShader, get_proc_address);
+	INIT_FUNC(dispatch, glAttachShader, get_proc_address);
+	INIT_FUNC(dispatch, glDeleteShader, get_proc_address);
+	INIT_FUNC(dispatch, glGetShaderiv, get_proc_address);
+	INIT_FUNC(dispatch, glGetShaderInfoLog, get_proc_address);
+	INIT_FUNC(dispatch, glGetProgramiv, get_proc_address);
+	INIT_FUNC(dispatch, glGetProgramInfoLog, get_proc_address);
+	INIT_FUNC(dispatch, glGetUniformLocation, get_proc_address);
+
+	return TRUE;
+      fail:
+	return FALSE;
+}