X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=simgear%2Fscreen%2Fextensions.hxx;h=e1871068faa0cb1aa736d9ff7d9a542a874f3f8d;hb=bbd61977f14c30ce93a2bcf5a3551708d36a29c8;hp=13f6faabbe7e3747089a0a8376e503278fded785;hpb=0cd4d44bd3836622d33c8c13740b250d1bd38f28;p=simgear.git

diff --git a/simgear/screen/extensions.hxx b/simgear/screen/extensions.hxx
index 13f6faab..e1871068 100644
--- a/simgear/screen/extensions.hxx
+++ b/simgear/screen/extensions.hxx
@@ -24,22 +24,17 @@
 #ifndef __SG_EXTENSIONS_HXX
 #define __SG_EXTENSIONS_HXX 1
 
-#if defined(__CYGWIN__) && !defined(WIN32) /* && !defined(USING_X) */
-#define WIN32
-#endif
-
-#if defined(WIN32)  /* MINGW and MSC predefine WIN32 */
+#ifdef WIN32
 # include <windows.h>
 #endif
 
-#if !defined(WIN32)
-# include <dlfcn.h>
-#endif
-
 #include <simgear/compiler.h>
 
-#include SG_GL_H
+#include <osg/GL>
 
+#if !defined(__APPLE__) && !defined(WIN32)
+#  include <GL/glx.h>
+#endif
 
 #if defined(__cplusplus)
 extern "C" {
@@ -50,7 +45,7 @@ extern "C" {
 #endif
 
 bool SGSearchExtensionsString(const char *extString, const char *extName);
-bool SGIsOpenGLExtensionSupported(char *extName);
+bool SGIsOpenGLExtensionSupported(const char *extName);
 
 #ifdef __APPLE__
   // don't use an inline function for symbol lookup, since it is too big
@@ -70,8 +65,7 @@ inline void (*SGLookupFunction(const char *func))()
 #elif defined( __APPLE__ )
     return (void (*)()) macosxGetGLProcAddress(func);
 
-#else // UNIX
-
+#else // UNIX, default
     return (void (*)()) SGGetGLProcAddress(func);
 #endif
 }
@@ -208,7 +202,7 @@ typedef void (APIENTRY * glClientActiveTextureProc)(GLenum texture);
 #define GL_RGB_SCALE_ARB					0x8573
 #define GL_ADD_SIGNED_ARB					0x8574
 #define GL_INTERPOLATE_ARB					0x8575
-#define GL_SUBTRACT_ARB                       0x84E7
+#define GL_SUBTRACT_ARB						0x84E7
 #define GL_CONSTANT_ARB						0x8576
 #define GL_PRIMARY_COLOR_ARB					0x8577
 #define GL_PREVIOUS_ARB						0x8578
@@ -465,6 +459,18 @@ typedef void (*glXQueryDrawableProc) (Display *, GLXDrawable, int, unsigned int
 #define GL_MAX_RECTANGLE_TEXTURE_SIZE_NV			0x84F8
 #endif
 
+/*
+ * NV_texture_rectangle
+ */
+
+#ifndef GL_EXT_texture_rectangle
+#define GL_EXT_texture_rectangle 1
+#define GL_TEXTURE_RECTANGLE_EXT				0x84F5
+#define GL_TEXTURE_BINDING_RECTANGLE_EXT			0x84F6
+#define GL_PROXY_TEXTURE_RECTANGLE_EXT				0x84F7
+#define GL_MAX_RECTANGLE_TEXTURE_SIZE_EXT			0x84F8
+#endif
+
 /*
  * WGL_NV_texture_rectangle
  */
@@ -760,6 +766,62 @@ typedef void (APIENTRY * glGetVertexAttribivProc) (GLuint index, GLenum pname, G
 typedef void (APIENTRY * glGetVertexAttribPointervProc) (GLuint index, GLenum pname, GLvoid* *pointer);
 typedef GLboolean (APIENTRY * glIsProgramProc) (GLuint program);
 
+/*
+ * EXT_framebuffer_objects
+ */
+#ifndef GL_EXT_framebuffer_object
+#define GL_EXT_framebuffer_object 1
+#define GL_NONE_EXT						0
+#define GL_FRAMEBUFFER_EXT					0x8D40
+#define GL_RENDERBUFFER_EXT					0x8D41
+#define GL_RGBA4_EXT						0x8056
+#define GL_RGB5_A1_EXT						0x8057
+#define GL_RGB565_EXT						0x8D62
+#define GL_DEPTH_COMPONENT16_EXT				0x81A5
+#define GL_RENDERBUFFER_WIDTH_EXT				0x8D42
+#define GL_RENDERBUFFER_HEIGHT_EXT				0x8D43
+#define GL_RENDERBUFFER_INTERNAL_FORMAT_EXT			0x8D44
+#define GL_RENDERBUFFER_RED_SIZE_EXT				0x8D50
+#define GL_RENDERBUFFER_GREEN_SIZE_EXT				0x8D51
+#define GL_RENDERBUFFER_BLUE_SIZE_EXT				0x8D52
+#define GL_RENDERBUFFER_ALPHA_SIZE_EXT				0x8D53
+#define GL_RENDERBUFFER_DEPTH_SIZE_EXT				0x8D54
+#define GL_RENDERBUFFER_STENCIL_SIZE_EXT			0x8D55
+#define GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE_EXT		0x8CD0
+#define GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME_EXT		0x8CD1
+#define GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL_EXT		0x8CD2
+#define GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_CUBE_MAP_FACE_EXT	0x8CD3
+#define GL_COLOR_ATTACHMENT0_EXT				0x8CE0
+#define GL_DEPTH_ATTACHMENT_EXT					0x8D00
+#define GL_STENCIL_ATTACHMENT_EXT				0x8D20
+#define GL_FRAMEBUFFER_COMPLETE_EXT				0x8CD5
+#define GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_EXT		0x8CD6
+#define GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT_EXT	0x8CD7
+#define GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS_EXT		0x8CD9
+#define GL_FRAMEBUFFER_INCOMPLETE_FORMATS_EXT			0x8CDA
+#define GL_FRAMEBUFFER_UNSUPPORTED_EXT				0x8CDD
+#define GL_FRAMEBUFFER_BINDING_EXT				0x8CA6
+#define GL_RENDERBUFFER_BINDING_EXT				0x8CA7
+#define GL_MAX_RENDERBUFFER_SIZE_EXT				0x84E8
+#define GL_INVALID_FRAMEBUFFER_OPERATION_EXT			0x0506
+#endif
+
+typedef GLboolean (APIENTRY * glIsRenderbufferProc) (GLuint renderbuffer);
+typedef void (APIENTRY * glBindRenderbufferProc) (GLenum target, GLuint renderbuffer);
+typedef void (APIENTRY * glDeleteRenderbuffersProc) (GLsizei n, const GLuint* renderbuffers);
+typedef void (APIENTRY * glGenRenderbuffersProc) (GLsizei n, GLuint* renderbuffers);
+typedef void (APIENTRY * glRenderbufferStorageProc) (GLenum target, GLenum internalformat, GLsizei width, GLsizei height);
+typedef void (APIENTRY * glGetRenderbufferParameterivProc) (GLenum target, GLenum pname, GLint* params);
+typedef GLboolean (APIENTRY * glIsFramebufferProc) (GLuint framebuffer);
+typedef void (APIENTRY * glBindFramebufferProc) (GLenum target, GLuint framebuffer);
+typedef void (APIENTRY * glDeleteFramebuffersProc) (GLsizei n, const GLuint* framebuffers);
+typedef void (APIENTRY * glGenFramebuffersProc) (GLsizei n, GLuint* framebuffers);
+typedef GLenum (APIENTRY * glCheckFramebufferStatusProc) (GLenum target);
+typedef void (APIENTRY * glFramebufferRenderbufferProc) (GLenum target, GLenum attachment, GLenum renderbuffertarget, GLuint renderbuffer);
+typedef void (APIENTRY * glFramebufferTexture2DProc) (GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level);
+typedef void (APIENTRY * glGetFramebufferAttachmentParameterivProc) (GLenum target, GLenum attachment, GLenum pname, GLint* params);
+typedef void (APIENTRY * glGenerateMipmapProc) (GLenum target);
+
 /*
  * ARB_shader_objects
  */