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- /*
- * (c) Copyright 1995, Silicon Graphics, Inc.
- * ALL RIGHTS RESERVED
- * Permission to use, copy, modify, and distribute this software for
- * any purpose and without fee is hereby granted, provided that the above
- * copyright notice appear in all copies and that both the copyright notice
- * and this permission notice appear in supporting documentation, and that
- * the name of Silicon Graphics, Inc. not be used in advertising
- * or publicity pertaining to distribution of the software without specific,
- * written prior permission.
- *
- * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
- * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
- * FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
- * GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
- * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
- * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
- * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
- * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC. HAS BEEN
- * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
- * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
- * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
- *
- * US Government Users Restricted Rights
- * Use, duplication, or disclosure by the Government is subject to
- * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
- * (c)(1)(ii) of the Rights in Technical Data and Computer Software
- * clause at DFARS 252.227-7013 and/or in similar or successor
- * clauses in the FAR or the DOD or NASA FAR Supplement.
- * Unpublished-- rights reserved under the copyright laws of the
- * United States. Contractor/manufacturer is Silicon Graphics,
- * Inc., 2011 N. Shoreline Blvd., Mountain View, CA 94039-7311.
- *
- * Author: John Spitzer, SGI Applied Engineering
- *
- */
-
- /* Define calls if using function pointers or not */
- #ifdef FUNCTION_PTRS
- #if (TEX_DIM == 1)
- #ifdef SUBTEXTURE
- #define TEXLOAD_CALL (*copytexsubimage1dext)(target, texLevel, x, srcx, srcy, width);
- #else
- #define TEXLOAD_CALL (*copyteximage1dext)(target, texLevel, comps, srcx, srcy, width, border);
- #endif
- #elif (TEX_DIM == 2)
- #ifdef SUBTEXTURE
- #define TEXLOAD_CALL (*copytexsubimage2dext)(target, texLevel, x, y, srcx, srcy, width, height);
- #else
- #define TEXLOAD_CALL (*copyteximage2dext)(target, texLevel, comps, srcx, srcy, width, height, border);
- #endif
- #elif (TEX_DIM == 3)
- #define TEXLOAD_CALL (*copytexsubimage3dext)(target, texLevel, x, y, z, srcx, srcy, width, height);
- #endif
- #if defined(POINT_DRAW)
- #define VERTEX_CALL \
- (*texcoord4fv)(point); \
- (*vertex3fv)(point+4);
- #define BEGIN_CALL (*begin)(GL_POINTS);
- #define END_CALL (*end)();
- #elif defined(TRI_DRAW)
- #define VERTEX_CALL \
- (*texcoord4fv)(point); \
- (*vertex3fv)(point+4); \
- (*texcoord4fv)(point+7); \
- (*vertex3fv)(point+11); \
- (*texcoord4fv)(point+14); \
- (*vertex3fv)(point+18);
- #define BEGIN_CALL (*begin)(GL_TRIANGLE_STRIP);
- #define END_CALL (*end)();
- #endif
- #else
- #if (TEX_DIM == 1)
- #ifdef SUBTEXTURE
- #define TEXLOAD_CALL glCopyTexSubImage1DEXT(target, texLevel, x, srcx, srcy, width);
- #else
- #define TEXLOAD_CALL glCopyTexImage1DEXT(target, texLevel, comps, srcx, srcy, width, border);
- #endif
- #elif (TEX_DIM == 2)
- #ifdef SUBTEXTURE
- #define TEXLOAD_CALL glCopyTexSubImage2DEXT(target, texLevel, x, y, srcx, srcy, width, height);
- #else
- #define TEXLOAD_CALL glCopyTexImage2DEXT(target, texLevel, comps, srcx, srcy, width, height, border);
- #endif
- #elif (TEX_DIM == 3)
- #define TEXLOAD_CALL glCopyTexSubImage3DEXT(target, texLevel, x, y, z, srcx, srcy, width, height);
- #endif
- #if defined(POINT_DRAW)
- #define VERTEX_CALL \
- glTexCoord4fv(point); \
- glVertex3fv(point+4);
- #define BEGIN_CALL glBegin(GL_POINTS);
- #define END_CALL glEnd();
- #elif defined(TRI_DRAW)
- #define VERTEX_CALL \
- glTexCoord4fv(point); \
- glVertex3fv(point+4); \
- glTexCoord4fv(point+7); \
- glVertex3fv(point+11); \
- glTexCoord4fv(point+14); \
- glVertex3fv(point+18);
- #define BEGIN_CALL glBegin(GL_TRIANGLE_STRIP);
- #define END_CALL glEnd();
- #endif
- #endif
-
- #if defined(POINT_DRAW) || defined(TRI_DRAW)
- #define DEFINE_TRI GLfloat* point = this->triangleData;
- #define DRAW_OBJ \
- BEGIN_CALL \
- VERTEX_CALL \
- END_CALL
- #else
- #define DEFINE_TRI
- #define DRAW_OBJ
- #endif
-
- #ifdef SUBTEXTURE
- #if (TEX_DIM == 1)
- #define SET_SUBTEXTURE x = *subTexPtr++;
- #elif (TEX_DIM == 2)
- #define SET_SUBTEXTURE x = *subTexPtr++; \
- y = *subTexPtr++;
- #elif (TEX_DIM == 3)
- #define SET_SUBTEXTURE x = *subTexPtr++; \
- y = *subTexPtr++; \
- z = *subTexPtr++;
- #endif
- #else
- #define SET_SUBTEXTURE
- #endif
-
- void FUNCTION (TestPtr thisTest)
- {
- TexImagePtr this = (TexImagePtr)thisTest;
- int iterations = this->iterations;
- int numDrawn = this->numDrawn;
- GLenum target = this->texTarget;
- GLenum border = this->texBorder;
- GLenum comps = this->texComps;
- GLint* copyTexData = this->copyTexData;
- GLint* copyTexPtr = copyTexData;
- GLint srcx, srcy;
- #ifdef SUBTEXTURE
- GLint* subTexData = this->subTexData;
- GLint* subTexPtr = subTexData;
- int x;
- int width = this->subTexWidth;
- #if (TEX_DIM >= 2)
- int y;
- int height = this->subTexHeight;
- #endif
- #if (TEX_DIM == 3)
- int z;
- #endif
- #else
- int width = this->texImageWidth;
- #if (TEX_DIM >= 2)
- int height = this->texImageHeight;
- #endif
- #endif
- int i, j;
- int texLevel = this->texLevel;
- #ifdef FUNCTION_PTRS
- #ifdef WIN32
- #define LINK_CONV APIENTRY
- #else
- #define LINK_CONV
- #endif
- #if (TEX_DIM == 1)
- #ifdef SUBTEXTURE
- void (LINK_CONV *copytexsubimage1dext)(GLenum, GLint, GLint, GLint, GLint, GLsizei) = glCopyTexSubImage1DEXT;
- #else
- void (LINK_CONV *copyteximage1dext)(GLenum, GLint, GLenum, GLint, GLint, GLsizei, GLint) = glCopyTexImage1DEXT;
- #endif
- #elif (TEX_DIM == 2)
- #ifdef SUBTEXTURE
- void (LINK_CONV *copytexsubimage2dext)(GLenum, GLint, GLint, GLint, GLint, GLint, GLsizei, GLsizei) = glCopyTexSubImage2DEXT;
- #else
- void (LINK_CONV *copyteximage2dext)(GLenum, GLint, GLenum, GLint, GLint, GLsizei, GLsizei, GLint) = glCopyTexImage2DEXT;
- #endif
- #elif (TEX_DIM == 3)
- void (LINK_CONV *copytexsubimage3dext)(GLenum, GLint, GLint, GLint, GLint, GLint, GLint, GLsizei, GLsizei) = glCopyTexSubImage3DEXT;
- #endif
- #if defined(POINT_DRAW) || defined(TRI_DRAW)
- void (LINK_CONV *texcoord4fv)(const GLfloat*) = glTexCoord4fv;
- void (LINK_CONV *vertex3fv)(const GLfloat*) = glVertex3fv;
- void (LINK_CONV *begin)(GLenum) = glBegin;
- void (LINK_CONV *end)(void) = glEnd;
- #endif
- #endif
- DEFINE_TRI
-
- for (i = iterations; i > 0; i--) {
- for (j = numDrawn; j > 0; j--) {
- SET_SUBTEXTURE
- srcx = *copyTexPtr++;
- srcy = *copyTexPtr++;
- TEXLOAD_CALL
- DRAW_OBJ
- }
- copyTexPtr = copyTexData;
- #ifdef SUBTEXTURE
- subTexPtr = subTexData;
- #endif
- }
- }
-
- #undef TEXLOAD_CALL
- #undef BEGIN_CALL
- #undef END_CALL
- #undef VERTEX_CALL
- #undef DEFINE_TRI
- #undef DRAW_OBJ
- #undef SET_SUBTEXTURE
-