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Diffstat (limited to 'jwxyz/jwzglesI.h')
| -rw-r--r-- | jwxyz/jwzglesI.h | 355 |
1 files changed, 355 insertions, 0 deletions
diff --git a/jwxyz/jwzglesI.h b/jwxyz/jwzglesI.h new file mode 100644 index 0000000..8f09208 --- /dev/null +++ b/jwxyz/jwzglesI.h @@ -0,0 +1,355 @@ +/* xscreensaver, Copyright (c) 2012-2018 Jamie Zawinski <jwz@jwz.org> + * + * Permission to use, copy, modify, distribute, and sell this software and its + * documentation for any purpose is hereby granted without fee, provided that + * the above copyright notice appear in all copies and that both that + * copyright notice and this permission notice appear in supporting + * documentation. No representations are made about the suitability of this + * software for any purpose. It is provided "as is" without express or + * implied warranty. + */ + +/* A compatibility shim to allow OpenGL 1.3 source code to work in an + OpenGLES environment, where almost every OpenGL 1.3 function has + been "deprecated". See jwzgles.c for details. + */ + +#ifndef __JWZGLES_I_H__ +#define __JWZGLES_I_H__ + +#ifdef GL_VERSION_ES_CM_1_0 /* compiling against OpenGLES 1.x */ + +/* These OpenGL 1.3 constants are not present in OpenGLES 1. + Fortunately, it looks like they didn't re-use any of the numbers, + so we can just keep using the OpenGL 1.3 values. I'm actually + kind of shocked that the GLES folks passed up that opportunity + for further clusterfuckery. + */ +# define GLdouble double + +# define GL_ACCUM_BUFFER_BIT 0x00000200 +# define GL_ALL_ATTRIB_BITS 0x000FFFFF +# define GL_AUTO_NORMAL 0x0D80 +# define GL_BLEND_SRC_ALPHA 0x80CB +# define GL_C3F_V3F 0x2A24 +# define GL_C4F_N3F_V3F 0x2A26 +# define GL_C4UB_V2F 0x2A22 +# define GL_C4UB_V3F 0x2A23 +# define GL_CLAMP 0x2900 +# define GL_COLOR_BUFFER_BIT 0x00004000 +# define GL_COLOR_MATERIAL_FACE 0x0B55 +# define GL_COLOR_MATERIAL_PARAMETER 0x0B56 +# define GL_COMPILE 0x1300 +# define GL_CURRENT_BIT 0x00000001 +# define GL_DEPTH_BUFFER_BIT 0x00000100 +# define GL_DOUBLEBUFFER 0x0C32 +# define GL_ENABLE_BIT 0x00002000 +# define GL_EVAL_BIT 0x00010000 +# define GL_EYE_LINEAR 0x2400 +# define GL_EYE_PLANE 0x2502 +# define GL_FEEDBACK 0x1C01 +# define GL_FILL 0x1B02 +# define GL_FOG_BIT 0x00000080 +# define GL_HINT_BIT 0x00008000 +# define GL_INTENSITY 0x8049 +# define GL_LIGHTING_BIT 0x00000040 +# define GL_LIGHT_MODEL_COLOR_CONTROL 0x81F8 +# define GL_LIGHT_MODEL_LOCAL_VIEWER 0x0B51 +# define GL_LINE 0x1B01 +# define GL_LINE_BIT 0x00000004 +# define GL_LIST_BIT 0x00020000 +# define GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT 0x84FF +# define GL_N3F_V3F 0x2A25 +# define GL_OBJECT_LINEAR 0x2401 +# define GL_OBJECT_PLANE 0x2501 +# define GL_PIXEL_MODE_BIT 0x00000020 +# define GL_POINT_BIT 0x00000002 +# define GL_POLYGON 0x0009 +# define GL_POLYGON_BIT 0x00000008 +# define GL_POLYGON_MODE 0x0B40 +# define GL_POLYGON_SMOOTH 0x0B41 +# define GL_POLYGON_STIPPLE 0x0B42 +# define GL_POLYGON_STIPPLE_BIT 0x00000010 +# define GL_Q 0x2003 +# define GL_QUADS 0x0007 +# define GL_QUAD_STRIP 0x0008 +# define GL_R 0x2002 +# define GL_RENDER 0x1C00 +# define GL_RGBA_MODE 0x0C31 +# define GL_S 0x2000 +# define GL_SCISSOR_BIT 0x00080000 +# define GL_SELECT 0x1C02 +# define GL_SEPARATE_SPECULAR_COLOR 0x81FA +# define GL_SINGLE_COLOR 0x81F9 +# define GL_SPHERE_MAP 0x2402 +# define GL_STENCIL_BUFFER_BIT 0x00000400 +# define GL_T 0x2001 +# define GL_T2F_C3F_V3F 0x2A2A +# define GL_T2F_C4F_N3F_V3F 0x2A2C +# define GL_T2F_C4UB_V3F 0x2A29 +# define GL_T2F_N3F_V3F 0x2A2B +# define GL_T2F_V3F 0x2A27 +# define GL_T4F_C4F_N3F_V4F 0x2A2D +# define GL_T4F_V4F 0x2A28 +# define GL_TEXTURE_1D 0x0DE0 +# define GL_TEXTURE_ALPHA_SIZE 0x805F +# define GL_TEXTURE_BIT 0x00040000 +# define GL_TEXTURE_BLUE_SIZE 0x805E +# define GL_TEXTURE_BORDER 0x1005 +# define GL_TEXTURE_BORDER_COLOR 0x1004 +# define GL_TEXTURE_COMPONENTS 0x1003 +# define GL_TEXTURE_GEN_MODE 0x2500 +# define GL_TEXTURE_GEN_Q 0x0C63 +# define GL_TEXTURE_GEN_R 0x0C62 +# define GL_TEXTURE_GEN_S 0x0C60 +# define GL_TEXTURE_GEN_T 0x0C61 +# define GL_TEXTURE_GREEN_SIZE 0x805D +# define GL_TEXTURE_HEIGHT 0x1001 +# define GL_TEXTURE_INTENSITY_SIZE 0x8061 +# define GL_TEXTURE_LUMINANCE_SIZE 0x8060 +# define GL_TEXTURE_MAX_ANISOTROPY_EXT 0x84FE +# define GL_TEXTURE_RED_SIZE 0x805C +# define GL_TEXTURE_WIDTH 0x1000 +# define GL_TRANSFORM_BIT 0x00001000 +# define GL_UNPACK_ROW_LENGTH 0x0CF2 +# define GL_UNSIGNED_INT_8_8_8_8_REV 0x8367 +# define GL_V2F 0x2A20 +# define GL_V3F 0x2A21 +# define GL_VIEWPORT_BIT 0x00000800 +# define GL_INT 0x1404 +# define GL_DOUBLE 0x140A + +#endif + + +typedef struct jwzgles_state jwzgles_state; + +extern jwzgles_state *jwzgles_make_state (void); +extern void jwzgles_free_state (void); +extern void jwzgles_make_current (jwzgles_state *); + + +/* Prototypes for the things re-implemented in jwzgles.c + */ + +extern int jwzgles_glGenLists (int n); +extern void jwzgles_glNewList (int id, int mode); +extern void jwzgles_glEndList (void); +extern void jwzgles_glDeleteLists (int list, int range); +extern void jwzgles_glBegin (int mode); +extern void jwzgles_glNormal3fv (const GLfloat *); +extern void jwzgles_glNormal3f (GLfloat x, GLfloat y, GLfloat z); +extern void jwzgles_glTexCoord1f (GLfloat s); +extern void jwzgles_glTexCoord2fv (const GLfloat *); +extern void jwzgles_glTexCoord2f (GLfloat s, GLfloat t); +extern void jwzgles_glTexCoord3fv (const GLfloat *); +extern void jwzgles_glTexCoord3f (GLfloat s, GLfloat t, GLfloat r); +extern void jwzgles_glTexCoord4fv (const GLfloat *); +extern void jwzgles_glTexCoord4f (GLfloat s, GLfloat t, GLfloat r, GLfloat q); +extern void jwzgles_glVertex2f (GLfloat x, GLfloat y); +extern void jwzgles_glVertex2dv (const GLdouble *); +extern void jwzgles_glVertex2fv (const GLfloat *); +extern void jwzgles_glVertex2i (GLint x, GLint y); +extern void jwzgles_glVertex3f (GLfloat x, GLfloat y, GLfloat z); +extern void jwzgles_glVertex3dv (const GLdouble *); +extern void jwzgles_glVertex3fv (const GLfloat *); +extern void jwzgles_glVertex3i (GLint x, GLint y, GLint z); +extern void jwzgles_glVertex4f (GLfloat x, GLfloat y, GLfloat z, GLfloat w); +extern void jwzgles_glVertex4fv (const GLfloat *); +extern void jwzgles_glVertex4i (GLint x, GLint y, GLint z, GLint w); +extern void jwzgles_glEnd (void); +extern void jwzgles_glCallList (int id); +extern void jwzgles_glClearIndex(GLfloat c); +extern void jwzgles_glBitmap (GLsizei, GLsizei, GLfloat, GLfloat, GLfloat, + GLfloat, const GLubyte *); +extern void jwzgles_glPushAttrib(int); +extern void jwzgles_glPopAttrib(void); + + +/* These functions are present in both OpenGL 1.3 and in OpenGLES 1, + but are allowed within glNewList/glEndList, so we must wrap them + to allow them to be recorded. + */ +extern void jwzgles_glActiveTexture (GLuint); +extern void jwzgles_glBindTexture (GLuint, GLuint); +extern void jwzgles_glBlendFunc (GLuint, GLuint); +extern void jwzgles_glClear (GLuint); +extern void jwzgles_glClearColor (GLclampf, GLclampf, GLclampf, GLclampf); +extern void jwzgles_glClearStencil (GLuint); +extern void jwzgles_glColorMask (GLuint, GLuint, GLuint, GLuint); +extern void jwzgles_glCullFace (GLuint); +extern void jwzgles_glDepthFunc (GLuint); +extern void jwzgles_glDepthMask (GLuint); +extern void jwzgles_glDisable (GLuint); +extern void jwzgles_glDrawArrays (GLuint, GLuint, GLuint); +extern GLboolean jwzgles_glIsEnabled (GLuint); +extern void jwzgles_glEnable (GLuint); +extern void jwzgles_glFrontFace (GLuint); +extern void jwzgles_glHint (GLuint, GLuint); +extern void jwzgles_glLineWidth (GLfloat); +extern void jwzgles_glLoadIdentity (void); +extern void jwzgles_glLogicOp (GLuint); +extern void jwzgles_glMatrixMode (GLuint); +extern void jwzgles_glMultMatrixf (const GLfloat *); +extern void jwzgles_glPointSize (GLfloat); +extern void jwzgles_glPolygonOffset (GLfloat, GLfloat); +extern void jwzgles_glPopMatrix (void); +extern void jwzgles_glPushMatrix (void); +extern void jwzgles_glScissor (GLuint, GLuint, GLuint, GLuint); +extern void jwzgles_glShadeModel (GLuint); +extern void jwzgles_glStencilFunc (GLuint, GLuint, GLuint); +extern void jwzgles_glStencilMask (GLuint); +extern void jwzgles_glStencilOp (GLuint, GLuint, GLuint); +extern void jwzgles_glViewport (GLuint, GLuint, GLuint, GLuint); +extern void jwzgles_glTranslatef (GLfloat, GLfloat, GLfloat); +extern void jwzgles_glRotatef (GLfloat, GLfloat, GLfloat, GLfloat); +extern void jwzgles_glRotated (GLdouble, GLdouble x, GLdouble y, GLdouble z); +extern void jwzgles_glReadBuffer (GLuint); +extern void jwzgles_glScalef (GLfloat, GLfloat, GLfloat); +extern void jwzgles_glColor3f (GLfloat, GLfloat, GLfloat); +extern void jwzgles_glColor4f (GLfloat, GLfloat, GLfloat, GLfloat); +extern void jwzgles_glColor3fv (const GLfloat *); +extern void jwzgles_glColor4fv (const GLfloat *); +extern void jwzgles_glColor3s (GLshort, GLshort, GLshort); +extern void jwzgles_glColor4s (GLshort, GLshort, GLshort, GLshort); +extern void jwzgles_glColor3sv (const GLshort *); +extern void jwzgles_glColor4sv (const GLshort *); +extern void jwzgles_glColor3us (GLushort, GLushort, GLushort); +extern void jwzgles_glColor4us (GLushort, GLushort, GLushort, GLushort); +extern void jwzgles_glColor3usv (const GLushort *); +extern void jwzgles_glColor4usv (const GLushort *); +extern void jwzgles_glColor3d (GLdouble, GLdouble, GLdouble); +extern void jwzgles_glColor4d (GLdouble, GLdouble, GLdouble, GLdouble); +extern void jwzgles_glColor3dv (const GLdouble *); +extern void jwzgles_glColor4dv (const GLdouble *); +extern void jwzgles_glColor4i (GLint, GLint, GLint, GLint); +extern void jwzgles_glColor3i (GLint, GLint, GLint); +extern void jwzgles_glColor3iv (const GLint *); +extern void jwzgles_glColor4iv (const GLint *); +extern void jwzgles_glColor4ui (GLuint, GLuint, GLuint, GLuint); +extern void jwzgles_glColor3ui (GLuint, GLuint, GLuint); +extern void jwzgles_glColor3uiv (const GLuint *); +extern void jwzgles_glColor4uiv (const GLuint *); +extern void jwzgles_glColor4b (GLbyte, GLbyte, GLbyte, GLbyte); +extern void jwzgles_glColor3b (GLbyte, GLbyte, GLbyte); +extern void jwzgles_glColor4bv (const GLbyte *); +extern void jwzgles_glColor3bv (const GLbyte *); +extern void jwzgles_glColor4ub (GLubyte, GLubyte, GLubyte, GLubyte); +extern void jwzgles_glColor3ub (GLubyte, GLubyte, GLubyte); +extern void jwzgles_glColor4ubv (const GLubyte *); +extern void jwzgles_glColor3ubv (const GLubyte *); +extern void jwzgles_glMaterialf (GLuint, GLuint, GLfloat); +extern void jwzgles_glMateriali (GLuint, GLuint, GLuint); +extern void jwzgles_glMaterialfv (GLuint, GLuint, const GLfloat *); +extern void jwzgles_glMaterialiv (GLuint, GLuint, const GLint *); +extern void jwzgles_glFinish (void); +extern void jwzgles_glFlush (void); +extern void jwzgles_glPixelStorei (GLuint, GLuint); +extern void jwzgles_glEnableClientState (GLuint); +extern void jwzgles_glDisableClientState (GLuint); + +extern void jwzgles_glInitNames (void); +extern void jwzgles_glPushName (GLuint); +extern GLuint jwzgles_glPopName (void); +extern GLuint jwzgles_glRenderMode (GLuint); +extern void jwzgles_glSelectBuffer (GLsizei, GLuint *); +extern void jwzgles_glLightf (GLenum, GLenum, GLfloat); +extern void jwzgles_glLighti (GLenum, GLenum, GLint); +extern void jwzgles_glLightfv (GLenum, GLenum, const GLfloat *); +extern void jwzgles_glLightiv (GLenum, GLenum, const GLint *); +extern void jwzgles_glLightModelf (GLenum, GLfloat); +extern void jwzgles_glLightModeli (GLenum, GLint); +extern void jwzgles_glLightModelfv (GLenum, const GLfloat *); +extern void jwzgles_glLightModeliv (GLenum, const GLint *); +extern void jwzgles_glGenTextures (GLuint, GLuint *); +extern void jwzgles_glFrustum (GLfloat, GLfloat, GLfloat, GLfloat, + GLfloat, GLfloat); +extern void jwzgles_glOrtho (GLfloat, GLfloat, GLfloat, GLfloat, + GLfloat, GLfloat); +extern void jwzgles_glTexImage1D (GLenum target, GLint level, + GLint internalFormat, + GLsizei width, GLint border, + GLenum format, GLenum type, + const GLvoid *pixels); +extern void jwzgles_glTexImage2D (GLenum target, + GLint level, + GLint internalFormat, + GLsizei width, + GLsizei height, + GLint border, + GLenum format, + GLenum type, + const GLvoid *data); +extern void jwzgles_glTexSubImage2D (GLenum target, GLint level, + GLint xoffset, GLint yoffset, + GLsizei width, GLsizei height, + GLenum format, GLenum type, + const GLvoid *pixels); +extern void jwzgles_glCopyTexImage2D (GLenum target, GLint level, + GLenum internalformat, + GLint x, GLint y, + GLsizei width, GLsizei height, + GLint border); +extern void jwzgles_glCopyTexSubImage2D (GLenum target, GLint level, + GLint xoff, GLint yoff, + GLint x, GLint y, + GLsizei width, GLsizei height); +extern void jwzgles_glInterleavedArrays (GLenum, GLsizei, const GLvoid *); +extern void jwzgles_glTexEnvf (GLuint, GLuint, GLfloat); +extern void jwzgles_glTexEnvi (GLuint, GLuint, GLuint); +extern void jwzgles_glTexParameterf (GLuint, GLuint, GLfloat); +extern void jwzgles_glTexParameteri (GLuint, GLuint, GLuint); +extern void jwzgles_glTexGeni (GLenum, GLenum, GLint); +extern void jwzgles_glTexGenfv (GLenum, GLenum, const GLfloat *); +extern void jwzgles_glGetTexGenfv (GLenum, GLenum, GLfloat *); +extern void jwzgles_glRectf (GLfloat, GLfloat, GLfloat, GLfloat); +extern void jwzgles_glRecti (GLint, GLint, GLint, GLint); +extern void jwzgles_glLightModelfv (GLenum, const GLfloat *); +extern void jwzgles_glClearDepth (GLfloat); +extern GLboolean jwzgles_glIsList (GLuint); +extern void jwzgles_glColorMaterial (GLenum, GLenum); +extern void jwzgles_glPolygonMode (GLenum, GLenum); +extern void jwzgles_glFogf (GLenum, GLfloat); +extern void jwzgles_glFogi (GLenum, GLint); +extern void jwzgles_glFogfv (GLenum, const GLfloat *); +extern void jwzgles_glFogiv (GLenum, const GLint *); +extern void jwzgles_glAlphaFunc (GLenum, GLfloat); +extern void jwzgles_glClipPlane (GLenum, const GLdouble *); +extern void jwzgles_glDrawBuffer (GLenum); +extern void jwzgles_glDeleteTextures (GLuint, const GLuint *); + +extern void jwzgles_gluPerspective (GLdouble fovy, GLdouble aspect, + GLdouble near, GLdouble far); +extern void jwzgles_gluLookAt (GLfloat eyex, GLfloat eyey, GLfloat eyez, + GLfloat centerx, GLfloat centery, + GLfloat centerz, + GLfloat upx, GLfloat upy, GLfloat upz); +extern GLint jwzgles_gluProject (GLdouble objx, GLdouble objy, GLdouble objz, + const GLdouble modelMatrix[16], + const GLdouble projMatrix[16], + const GLint viewport[4], + GLdouble *winx, GLdouble *winy, + GLdouble *winz); +extern int jwzgles_gluBuild2DMipmaps (GLenum target, + GLint internalFormat, + GLsizei width, + GLsizei height, + GLenum format, + GLenum type, + const GLvoid *data); +extern GLboolean jwzgles_gluCheckExtension (const GLubyte *ext_name, + const GLubyte *ext_string); +extern void jwzgles_glGetFloatv (GLenum pname, GLfloat *params); +extern void jwzgles_glGetPointerv (GLenum pname, GLvoid **params); +extern void jwzgles_glGetDoublev (GLenum pname, GLdouble *params); +extern void jwzgles_glGetIntegerv (GLenum pname, GLint *params); +extern void jwzgles_glGetBooleanv (GLenum pname, GLboolean *params); +extern void jwzgles_glVertexPointer (GLuint, GLuint, GLuint, const void *); +extern void jwzgles_glNormalPointer (GLenum, GLuint, const void *); +extern void jwzgles_glColorPointer (GLuint, GLuint, GLuint, const void *); +extern void jwzgles_glTexCoordPointer (GLuint, GLuint, GLuint, const void *); +extern void jwzgles_glBindBuffer (GLuint, GLuint); +extern void jwzgles_glBufferData (GLenum, GLsizeiptr, const void *, GLenum); +extern const char *jwzgles_gluErrorString (GLenum error); + +#endif /* __JWZGLES_I_H__ */ |