Add preliminary EGL headers.

2 files changed, 280 insertions, 0 deletions

diff --git a/include/GLES/egl.h b/include/GLES/egl.h
new file mode 100644
index 0000000..6edb954
--- /dev/null
+++ b/include/GLES/egl.h
@@ -0,0 +1,232 @@
+#ifndef _EGL_H
+#define _EGL_H
+
+/*
+** License Applicability. Except to the extent portions of this file are
+** made subject to an alternative license as permitted in the SGI Free
+** Software License B, Version 1.0 (the "License"), the contents of this
+** file are subject only to the provisions of the License. You may not use
+** this file except in compliance with the License. You may obtain a copy
+** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600
+** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at:
+**
+** http://oss.sgi.com/projects/FreeB
+**
+** Note that, as provided in the License, the Software is distributed on an
+** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS
+** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND
+** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A
+** PARTICULAR PURPOSE, AND NON-INFRINGEMENT.
+**
+** Original Code. The Original Code is: OpenGL Sample Implementation,
+** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics,
+** Inc. The Original Code is Copyright (c) 1991-2004 Silicon Graphics, Inc.
+** Copyright in any portions created by third parties is as indicated
+** elsewhere herein. All Rights Reserved.
+**
+** Additional Notice Provisions: The application programming interfaces
+** established by SGI in conjunction with the Original Code are The
+** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released
+** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version
+** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X
+** Window System(R) (Version 1.3), released October 19, 1998. This software
+** was created using the OpenGL(R) version 1.2.1 Sample Implementation
+** published by SGI, but has not been independently verified as being
+** compliant with the OpenGL(R) version 1.2.1 Specification.
+*/
+
+#include <GL/gl.h>
+#include <GLES/egltypes.h>
+
+/* XXX should go in eglext.h */
+#define GL_OES_VERSION_1_0  1
+#define GL_OES_read_format  1
+#define GL_OES_compressed_paletted_texture 1
+#define GL_IMPLEMENTATION_COLOR_READ_TYPE_OES 0x8B9A
+#define GL_IMPLEMENTATION_COLOR_READ_FORMAT_OES 0x8B9B
+#define GL_PALETTE4_RGB8_OES        0x8B90
+#define GL_PALETTE4_RGBA8_OES       0x8B91
+#define GL_PALETTE4_R5_G6_B5_OES    0x8B92
+#define GL_PALETTE4_RGBA4_OES       0x8B93
+#define GL_PALETTE4_RGB5_A1_OES     0x8B94
+#define GL_PALETTE8_RGB8_OES        0x8B95
+#define GL_PALETTE8_RGBA8_OES       0x8B96
+#define GL_PALETTE8_R5_G6_B5_OES    0x8B97
+#define GL_PALETTE8_RGBA4_OES       0x8B98
+#define GL_PALETTE8_RGB5_A1_OES     0x8B99
+/* XXX */
+
+/*
+** Versioning and extensions
+*/
+#define EGL_VERSION_1_0		       1
+#if 0
+#define EGL_VERSION_1_1		       1
+#endif
+
+/*
+** Boolean
+*/
+#define EGL_FALSE		       0
+#define EGL_TRUE		       1
+
+/*
+** Errors
+*/
+#define EGL_SUCCESS		       0x3000
+#define EGL_NOT_INITIALIZED	       0x3001
+#define EGL_BAD_ACCESS		       0x3002
+#define EGL_BAD_ALLOC		       0x3003
+#define EGL_BAD_ATTRIBUTE	       0x3004
+#define EGL_BAD_CONFIG		       0x3005
+#define EGL_BAD_CONTEXT		       0x3006
+#define EGL_BAD_CURRENT_SURFACE        0x3007
+#define EGL_BAD_DISPLAY		       0x3008
+#define EGL_BAD_MATCH		       0x3009
+#define EGL_BAD_NATIVE_PIXMAP	       0x300A
+#define EGL_BAD_NATIVE_WINDOW	       0x300B
+#define EGL_BAD_PARAMETER	       0x300C
+#define EGL_BAD_SURFACE		       0x300D
+#define EGL_CONTEXT_LOST	       0x300E
+/* 0x300F - 0x301F reserved for additional errors. */
+
+/*
+** Config attributes
+*/
+#define EGL_BUFFER_SIZE		       0x3020
+#define EGL_ALPHA_SIZE		       0x3021
+#define EGL_BLUE_SIZE		       0x3022
+#define EGL_GREEN_SIZE		       0x3023
+#define EGL_RED_SIZE		       0x3024
+#define EGL_DEPTH_SIZE		       0x3025
+#define EGL_STENCIL_SIZE	       0x3026
+#define EGL_CONFIG_CAVEAT	       0x3027
+#define EGL_CONFIG_ID		       0x3028
+#define EGL_LEVEL		       0x3029
+#define EGL_MAX_PBUFFER_HEIGHT	       0x302A
+#define EGL_MAX_PBUFFER_PIXELS	       0x302B
+#define EGL_MAX_PBUFFER_WIDTH	       0x302C
+#define EGL_NATIVE_RENDERABLE	       0x302D
+#define EGL_NATIVE_VISUAL_ID	       0x302E
+#define EGL_NATIVE_VISUAL_TYPE	       0x302F
+/*#define EGL_PRESERVED_RESOURCES	 0x3030*/
+#define EGL_SAMPLES		       0x3031
+#define EGL_SAMPLE_BUFFERS	       0x3032
+#define EGL_SURFACE_TYPE	       0x3033
+#define EGL_TRANSPARENT_TYPE	       0x3034
+#define EGL_TRANSPARENT_BLUE_VALUE     0x3035
+#define EGL_TRANSPARENT_GREEN_VALUE    0x3036
+#define EGL_TRANSPARENT_RED_VALUE      0x3037
+#define EGL_NONE		       0x3038	/* Also a config value */
+#define EGL_BIND_TO_TEXTURE_RGB        0x3039
+#define EGL_BIND_TO_TEXTURE_RGBA       0x303A
+#define EGL_MIN_SWAP_INTERVAL	       0x303B
+#define EGL_MAX_SWAP_INTERVAL	       0x303C
+
+/*
+** Config values
+*/
+#define EGL_DONT_CARE		       ((EGLint) -1)
+
+#define EGL_SLOW_CONFIG		       0x3050	/* EGL_CONFIG_CAVEAT value */
+#define EGL_NON_CONFORMANT_CONFIG      0x3051	/* " */
+#define EGL_TRANSPARENT_RGB	       0x3052	/* EGL_TRANSPARENT_TYPE value */
+#define EGL_NO_TEXTURE		       0x305C	/* EGL_TEXTURE_FORMAT/TARGET value */
+#define EGL_TEXTURE_RGB		       0x305D	/* EGL_TEXTURE_FORMAT value */
+#define EGL_TEXTURE_RGBA	       0x305E	/* " */
+#define EGL_TEXTURE_2D		       0x305F	/* EGL_TEXTURE_TARGET value */
+
+/*
+** Config attribute mask bits
+*/
+#define EGL_PBUFFER_BIT		       0x01	/* EGL_SURFACE_TYPE mask bit */
+#define EGL_PIXMAP_BIT		       0x02	/* " */
+#define EGL_WINDOW_BIT		       0x04	/* " */
+
+/*
+** String names
+*/
+#define EGL_VENDOR		       0x3053	/* eglQueryString target */
+#define EGL_VERSION		       0x3054	/* " */
+#define EGL_EXTENSIONS		       0x3055	/* " */
+
+/*
+** Surface attributes
+*/
+#define EGL_HEIGHT		       0x3056
+#define EGL_WIDTH		       0x3057
+#define EGL_LARGEST_PBUFFER	       0x3058
+#define EGL_TEXTURE_FORMAT	       0x3080	/* For pbuffers bound as textures */
+#define EGL_TEXTURE_TARGET	       0x3081	/* " */
+#define EGL_MIPMAP_TEXTURE	       0x3082	/* " */
+#define EGL_MIPMAP_LEVEL	       0x3083	/* " */
+
+/*
+** BindTexImage / ReleaseTexImage buffer target
+*/
+#define EGL_BACK_BUFFER		       0x3084
+
+/*
+** Current surfaces
+*/
+#define EGL_DRAW		       0x3059
+#define EGL_READ		       0x305A
+
+/*
+** Engines
+*/
+#define EGL_CORE_NATIVE_ENGINE	       0x305B
+
+/* 0x305C-0x3FFFF reserved for future use */
+
+/*
+** Functions
+*/
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+GLAPI EGLint APIENTRY eglGetError (void);
+
+GLAPI EGLDisplay APIENTRY eglGetDisplay (NativeDisplayType display);
+GLAPI EGLBoolean APIENTRY eglInitialize (EGLDisplay dpy, EGLint *major, EGLint *minor);
+GLAPI EGLBoolean APIENTRY eglTerminate (EGLDisplay dpy);
+GLAPI const char * APIENTRY eglQueryString (EGLDisplay dpy, EGLint name);
+GLAPI void (* APIENTRY eglGetProcAddress (const char *procname))();
+
+GLAPI EGLBoolean APIENTRY eglGetConfigs (EGLDisplay dpy, EGLConfig *configs, EGLint config_size, EGLint *num_config);
+GLAPI EGLBoolean APIENTRY eglChooseConfig (EGLDisplay dpy, const EGLint *attrib_list, EGLConfig *configs, EGLint config_size, EGLint *num_config);
+GLAPI EGLBoolean APIENTRY eglGetConfigAttrib (EGLDisplay dpy, EGLConfig config, EGLint attribute, EGLint *value);
+
+GLAPI EGLSurface APIENTRY eglCreateWindowSurface (EGLDisplay dpy, EGLConfig config, NativeWindowType window, const EGLint *attrib_list);
+GLAPI EGLSurface APIENTRY eglCreatePixmapSurface (EGLDisplay dpy, EGLConfig config, NativePixmapType pixmap, const EGLint *attrib_list);
+GLAPI EGLSurface APIENTRY eglCreatePbufferSurface (EGLDisplay dpy, EGLConfig config, const EGLint *attrib_list);
+GLAPI EGLBoolean APIENTRY eglDestroySurface (EGLDisplay dpy, EGLSurface surface);
+GLAPI EGLBoolean APIENTRY eglQuerySurface (EGLDisplay dpy, EGLSurface surface, EGLint attribute, EGLint *value);
+
+/* EGL 1.1 render-to-texture APIs */
+GLAPI EGLBoolean APIENTRY eglSurfaceAttrib (EGLDisplay dpy, EGLSurface surface, EGLint attribute, EGLint value);
+GLAPI EGLBoolean APIENTRY eglBindTexImage(EGLDisplay dpy, EGLSurface surface, EGLint buffer);
+GLAPI EGLBoolean APIENTRY eglReleaseTexImage(EGLDisplay dpy, EGLSurface surface, EGLint buffer);
+
+/* EGL 1.1 swap control API */
+GLAPI EGLBoolean APIENTRY eglSwapInterval(EGLDisplay dpy, EGLint interval);
+
+GLAPI EGLContext APIENTRY eglCreateContext (EGLDisplay dpy, EGLConfig config, EGLContext share_list, const EGLint *attrib_list);
+GLAPI EGLBoolean APIENTRY eglDestroyContext (EGLDisplay dpy, EGLContext ctx);
+GLAPI EGLBoolean APIENTRY eglMakeCurrent (EGLDisplay dpy, EGLSurface draw, EGLSurface read, EGLContext ctx);
+GLAPI EGLContext APIENTRY eglGetCurrentContext (void);
+GLAPI EGLSurface APIENTRY eglGetCurrentSurface (EGLint readdraw);
+GLAPI EGLDisplay APIENTRY eglGetCurrentDisplay (void);
+GLAPI EGLBoolean APIENTRY eglQueryContext (EGLDisplay dpy, EGLContext ctx, EGLint attribute, EGLint *value);
+
+GLAPI EGLBoolean APIENTRY eglWaitGL (void);
+GLAPI EGLBoolean APIENTRY eglWaitNative (EGLint engine);
+GLAPI EGLBoolean APIENTRY eglSwapBuffers (EGLDisplay dpy, EGLSurface draw);
+GLAPI EGLBoolean APIENTRY eglCopyBuffers (EGLDisplay dpy, EGLSurface surface, NativePixmapType target);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _EGL_H */
diff --git a/include/GLES/egltypes.h b/include/GLES/egltypes.h
new file mode 100644
index 0000000..873a845
--- /dev/null
+++ b/include/GLES/egltypes.h
@@ -0,0 +1,48 @@
+/*
+ * egltypes.h - EGL API compatibility
+ *
+ * The intention here is to support multiple EGL implementations for the
+ * various backends - GLX, AGL, WGL, Solo - so we define the EGL types as
+ * opaque handles.  We also define the Native types as opaque handles for
+ * now, which should be fine for GLX and Solo but the others who knows.
+ * They can extend this later.
+ *
+ * We require that 'int' be 32 bits.  Other than that this should be pretty
+ * portable.
+ *
+ * Derived from the OpenGL|ES 1.1 egl.h on the Khronos website:
+ * http://www.khronos.org/opengles/spec_headers/opengles1_1/egl.h
+ *
+ */
+
+#ifndef _EGLTYPES_H
+#define _EGLTYPES_H
+
+#include <sys/types.h>
+
+/*
+ * Native types
+ */
+typedef void    *NativeDisplayType;
+typedef void    *NativePixmapType;
+typedef void    *NativeWindowType;
+
+/*
+ * Types and resources
+ */
+typedef GLboolean   EGLBoolean;
+typedef GLint       EGLint;
+typedef void        *EGLDisplay;
+typedef void        *EGLConfig;
+typedef void        *EGLSurface;
+typedef void        *EGLContext;
+
+/*
+ * EGL and native handle values
+ */
+#define EGL_DEFAULT_DISPLAY ((NativeDisplayType)0)
+#define EGL_NO_CONTEXT      ((EGLContext)0)
+#define EGL_NO_DISPLAY      ((EGLDisplay)0)
+#define EGL_NO_SURFACE      ((EGLSurface)0)
+
+#endif /* _EGLTYPES_H */