1/*
2 * Mesa 3-D graphics library
3 *
4 * Copyright (C) 1999-2004  Brian Paul   All Rights Reserved.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included
14 * in all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
17 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 * OTHER DEALINGS IN THE SOFTWARE.
23 */
24
25
26/**
27 * \file glapi_dispatch.c
28 *
29 * This file generates all the gl* function entrypoints.  This code is not
30 * used if optimized assembly stubs are available (e.g., using
31 * glapi/glapi_x86.S on IA32 or glapi/glapi_sparc.S on SPARC).
32 *
33 * \note
34 * This file is also used to build the client-side libGL that loads DRI-based
35 * device drivers.  At build-time it is symlinked to src/glx.
36 *
37 * \author Brian Paul <brian@precisioninsight.com>
38 */
39
40#include "glapi/glapi_priv.h"
41#include "glapitable.h"
42
43
44#if !(defined(USE_X86_ASM) || defined(USE_X86_64_ASM) || defined(USE_SPARC_ASM))
45
46#if defined(_WIN32)
47#define KEYWORD1 GLAPI
48#else
49#define KEYWORD1 PUBLIC
50#endif
51
52#define KEYWORD2 GLAPIENTRY
53
54#define NAME(func)  gl##func
55
56#if 0  /* Use this to log GL calls to stdout (for DEBUG only!) */
57
58#define F stdout
59#define DISPATCH(FUNC, ARGS, MESSAGE)		\
60   fprintf MESSAGE;				\
61   GET_DISPATCH()->FUNC ARGS
62
63#define RETURN_DISPATCH(FUNC, ARGS, MESSAGE) 	\
64   fprintf MESSAGE;				\
65   return GET_DISPATCH()->FUNC ARGS
66
67#else
68
69#define DISPATCH(FUNC, ARGS, MESSAGE)		\
70   GET_DISPATCH()->FUNC ARGS
71
72#define RETURN_DISPATCH(FUNC, ARGS, MESSAGE) 	\
73   return GET_DISPATCH()->FUNC ARGS
74
75#endif /* logging */
76
77
78#ifndef GLAPIENTRY
79#define GLAPIENTRY
80#endif
81
82#ifdef GLX_INDIRECT_RENDERING
83/* those link to libglapi.a should provide the entry points */
84#define _GLAPI_SKIP_PROTO_ENTRY_POINTS
85#endif
86
87/* These prototypes are necessary because GLES1 library builds will create
88 * dispatch functions for them.  We can't directly include GLES/gl.h because
89 * it would conflict the previously-included GL/gl.h.  Since GLES1 ABI is not
90 * expected to every add more functions, the path of least resistance is to
91 * just duplicate the prototypes for the functions that aren't already in
92 * desktop OpenGL.
93 */
94#include <GLES/glplatform.h>
95
96
97/* Redefine GL_API to avoid MSVC/MinGW warnings about different dllimport
98 * attributes for these prototypes vs those in the GLES/gl.h header.
99 */
100#undef GL_API
101#define GL_API KEYWORD1
102
103GL_API void GL_APIENTRY glClearDepthf (GLclampf depth);
104GL_API void GL_APIENTRY glClipPlanef (GLenum plane, const GLfloat *equation);
105GL_API void GL_APIENTRY glFrustumf (GLfloat left, GLfloat right, GLfloat bottom, GLfloat top, GLfloat zNear, GLfloat zFar);
106GL_API void GL_APIENTRY glGetClipPlanef (GLenum pname, GLfloat *equation);
107GL_API void GL_APIENTRY glOrthof (GLfloat left, GLfloat right, GLfloat bottom, GLfloat top, GLfloat zNear, GLfloat zFar);
108
109GL_API void GL_APIENTRY glAlphaFuncx (GLenum func, GLclampx ref);
110GL_API void GL_APIENTRY glClearColorx (GLclampx red, GLclampx green, GLclampx blue, GLclampx alpha);
111GL_API void GL_APIENTRY glClearDepthx (GLclampx depth);
112GL_API void GL_APIENTRY glClipPlanex (GLenum plane, const GLfixed *equation);
113GL_API void GL_APIENTRY glColor4x (GLfixed red, GLfixed green, GLfixed blue, GLfixed alpha);
114GL_API void GL_APIENTRY glDepthRangex (GLclampx zNear, GLclampx zFar);
115GL_API void GL_APIENTRY glFogx (GLenum pname, GLfixed param);
116GL_API void GL_APIENTRY glFogxv (GLenum pname, const GLfixed *params);
117GL_API void GL_APIENTRY glFrustumx (GLfixed left, GLfixed right, GLfixed bottom, GLfixed top, GLfixed zNear, GLfixed zFar);
118GL_API void GL_APIENTRY glGetClipPlanex (GLenum pname, GLfixed *equation);
119GL_API void GL_APIENTRY glGetFixedv (GLenum pname, GLfixed *params);
120GL_API void GL_APIENTRY glGetLightxv (GLenum light, GLenum pname, GLfixed *params);
121GL_API void GL_APIENTRY glGetMaterialxv (GLenum face, GLenum pname, GLfixed *params);
122GL_API void GL_APIENTRY glGetTexEnvxv (GLenum env, GLenum pname, GLfixed *params);
123GL_API void GL_APIENTRY glGetTexParameterxv (GLenum target, GLenum pname, GLfixed *params);
124GL_API void GL_APIENTRY glLightModelx (GLenum pname, GLfixed param);
125GL_API void GL_APIENTRY glLightModelxv (GLenum pname, const GLfixed *params);
126GL_API void GL_APIENTRY glLightx (GLenum light, GLenum pname, GLfixed param);
127GL_API void GL_APIENTRY glLightxv (GLenum light, GLenum pname, const GLfixed *params);
128GL_API void GL_APIENTRY glLineWidthx (GLfixed width);
129GL_API void GL_APIENTRY glLoadMatrixx (const GLfixed *m);
130GL_API void GL_APIENTRY glMaterialx (GLenum face, GLenum pname, GLfixed param);
131GL_API void GL_APIENTRY glMaterialxv (GLenum face, GLenum pname, const GLfixed *params);
132GL_API void GL_APIENTRY glMultMatrixx (const GLfixed *m);
133GL_API void GL_APIENTRY glMultiTexCoord4x (GLenum target, GLfixed s, GLfixed t, GLfixed r, GLfixed q);
134GL_API void GL_APIENTRY glNormal3x (GLfixed nx, GLfixed ny, GLfixed nz);
135GL_API void GL_APIENTRY glOrthox (GLfixed left, GLfixed right, GLfixed bottom, GLfixed top, GLfixed zNear, GLfixed zFar);
136GL_API void GL_APIENTRY glPointParameterx (GLenum pname, GLfixed param);
137GL_API void GL_APIENTRY glPointParameterxv (GLenum pname, const GLfixed *params);
138GL_API void GL_APIENTRY glPointSizex (GLfixed size);
139GL_API void GL_APIENTRY glPolygonOffsetx (GLfixed factor, GLfixed units);
140GL_API void GL_APIENTRY glRotatex (GLfixed angle, GLfixed x, GLfixed y, GLfixed z);
141GL_API void GL_APIENTRY glSampleCoveragex (GLclampx value, GLboolean invert);
142GL_API void GL_APIENTRY glScalex (GLfixed x, GLfixed y, GLfixed z);
143GL_API void GL_APIENTRY glTexEnvx (GLenum target, GLenum pname, GLfixed param);
144GL_API void GL_APIENTRY glTexEnvxv (GLenum target, GLenum pname, const GLfixed *params);
145GL_API void GL_APIENTRY glTexParameterx (GLenum target, GLenum pname, GLfixed param);
146GL_API void GL_APIENTRY glTexParameterxv (GLenum target, GLenum pname, const GLfixed *params);
147GL_API void GL_APIENTRY glTranslatex (GLfixed x, GLfixed y, GLfixed z);
148GL_API void GL_APIENTRY glPointSizePointerOES (GLenum type, GLsizei stride, const GLvoid *pointer);
149GL_API void GL_APIENTRY glBlendBarrier (void);
150GL_API void GL_APIENTRY glPrimitiveBoundingBox (GLfloat minX, GLfloat minY, GLfloat minZ, GLfloat minW, GLfloat maxX, GLfloat maxY, GLfloat maxZ, GLfloat maxW);
151
152/* Enable frame pointer elimination on Windows, otherwise forgetting to add
153 * APIENTRY to _mesa_* entrypoints will not cause crashes on debug builds, as
154 * the initial ESP value is saved in the EBP in the function prologue, then
155 * restored on the epilogue, clobbering any corruption in the ESP pointer due
156 * to mismatch in the callee calling convention.
157 *
158 * On MSVC it's not sufficient to enable /Oy -- other optimizations must be
159 * enabled or frame pointer will be used regardless.
160 *
161 * We don't do this when NDEBUG is defined since, frame pointer omission
162 * optimization compiler flag are already specified on release builds, and
163 * because on profile builds we must have frame pointers or certain profilers
164 * might fail to unwind the stack.
165 */
166#if defined(_WIN32) && !defined(NDEBUG)
167#  if defined(_MSC_VER)
168#    pragma optimize( "gty", on )
169#  elif defined(__GNUC__)
170#    pragma GCC optimize ("omit-frame-pointer")
171#  endif
172#endif
173
174#include "glapitemp.h"
175
176#endif /* USE_X86_ASM */
177