diff options
Diffstat (limited to 'nx-X11/programs/Xserver/GL/glx/render2swap.c')
| -rw-r--r-- | nx-X11/programs/Xserver/GL/glx/render2swap.c | 391 |
1 files changed, 391 insertions, 0 deletions
diff --git a/nx-X11/programs/Xserver/GL/glx/render2swap.c b/nx-X11/programs/Xserver/GL/glx/render2swap.c new file mode 100644 index 000000000..ea35d514d --- /dev/null +++ b/nx-X11/programs/Xserver/GL/glx/render2swap.c @@ -0,0 +1,391 @@ +/* +** 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 1.1 (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) 1991-2000 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. +** +*/ + +#ifdef HAVE_DIX_CONFIG_H +#include <dix-config.h> +#endif + +#include "glxserver.h" +#include "unpack.h" +#include "g_disptab.h" +#include "g_disptab_EXT.h" +#include "indirect_size.h" + +void __glXDispSwap_Map1f(GLbyte *pc) +{ + GLint order, k; + GLfloat u1, u2, *points; + GLenum target; + GLint compsize; + __GLX_DECLARE_SWAP_VARIABLES; + __GLX_DECLARE_SWAP_ARRAY_VARIABLES; + + __GLX_SWAP_INT(pc + 0); + __GLX_SWAP_INT(pc + 12); + __GLX_SWAP_FLOAT(pc + 4); + __GLX_SWAP_FLOAT(pc + 8); + + target = *(GLenum *)(pc + 0); + order = *(GLint *)(pc + 12); + u1 = *(GLfloat *)(pc + 4); + u2 = *(GLfloat *)(pc + 8); + points = (GLfloat *)(pc + 16); + k = __glMap1f_size(target); + + if (order <= 0 || k < 0) { + /* Erroneous command. */ + compsize = 0; + } else { + compsize = order * k; + } + __GLX_SWAP_FLOAT_ARRAY(points, compsize); + + glMap1f(target, u1, u2, k, order, points); +} + +void __glXDispSwap_Map2f(GLbyte *pc) +{ + GLint uorder, vorder, ustride, vstride, k; + GLfloat u1, u2, v1, v2, *points; + GLenum target; + GLint compsize; + __GLX_DECLARE_SWAP_VARIABLES; + __GLX_DECLARE_SWAP_ARRAY_VARIABLES; + + __GLX_SWAP_INT(pc + 0); + __GLX_SWAP_INT(pc + 12); + __GLX_SWAP_INT(pc + 24); + __GLX_SWAP_FLOAT(pc + 4); + __GLX_SWAP_FLOAT(pc + 8); + __GLX_SWAP_FLOAT(pc + 16); + __GLX_SWAP_FLOAT(pc + 20); + + target = *(GLenum *)(pc + 0); + uorder = *(GLint *)(pc + 12); + vorder = *(GLint *)(pc + 24); + u1 = *(GLfloat *)(pc + 4); + u2 = *(GLfloat *)(pc + 8); + v1 = *(GLfloat *)(pc + 16); + v2 = *(GLfloat *)(pc + 20); + points = (GLfloat *)(pc + 28); + + k = __glMap2f_size(target); + ustride = vorder * k; + vstride = k; + + if (vorder <= 0 || uorder <= 0 || k < 0) { + /* Erroneous command. */ + compsize = 0; + } else { + compsize = uorder * vorder * k; + } + __GLX_SWAP_FLOAT_ARRAY(points, compsize); + + glMap2f(target, u1, u2, ustride, uorder, v1, v2, vstride, vorder, points); +} + +void __glXDispSwap_Map1d(GLbyte *pc) +{ + GLint order, k, compsize; + GLenum target; + GLdouble u1, u2, *points; + __GLX_DECLARE_SWAP_VARIABLES; + __GLX_DECLARE_SWAP_ARRAY_VARIABLES; + + __GLX_SWAP_DOUBLE(pc + 0); + __GLX_SWAP_DOUBLE(pc + 8); + __GLX_SWAP_INT(pc + 16); + __GLX_SWAP_INT(pc + 20); + + target = *(GLenum*) (pc + 16); + order = *(GLint*) (pc + 20); + k = __glMap1d_size(target); + if (order <= 0 || k < 0) { + /* Erroneous command. */ + compsize = 0; + } else { + compsize = order * k; + } + __GLX_GET_DOUBLE(u1,pc); + __GLX_GET_DOUBLE(u2,pc+8); + __GLX_SWAP_DOUBLE_ARRAY(pc+24, compsize); + pc += 24; + +#ifdef __GLX_ALIGN64 + if (((unsigned long)pc) & 7) { + /* + ** Copy the doubles up 4 bytes, trashing the command but aligning + ** the data in the process + */ + __GLX_MEM_COPY(pc-4, pc, compsize*8); + points = (GLdouble*) (pc - 4); + } else { + points = (GLdouble*) pc; + } +#else + points = (GLdouble*) pc; +#endif + glMap1d(target, u1, u2, k, order, points); +} + +void __glXDispSwap_Map2d(GLbyte *pc) +{ + GLdouble u1, u2, v1, v2, *points; + GLint uorder, vorder, ustride, vstride, k, compsize; + GLenum target; + __GLX_DECLARE_SWAP_VARIABLES; + __GLX_DECLARE_SWAP_ARRAY_VARIABLES; + + __GLX_SWAP_DOUBLE(pc + 0); + __GLX_SWAP_DOUBLE(pc + 8); + __GLX_SWAP_DOUBLE(pc + 16); + __GLX_SWAP_DOUBLE(pc + 24); + __GLX_SWAP_INT(pc + 32); + __GLX_SWAP_INT(pc + 36); + __GLX_SWAP_INT(pc + 40); + + target = *(GLenum *)(pc + 32); + uorder = *(GLint *)(pc + 36); + vorder = *(GLint *)(pc + 40); + k = __glMap2d_size(target); + if (vorder <= 0 || uorder <= 0 || k < 0) { + /* Erroneous command. */ + compsize = 0; + } else { + compsize = uorder * vorder * k; + } + __GLX_GET_DOUBLE(u1,pc); + __GLX_GET_DOUBLE(u2,pc+8); + __GLX_GET_DOUBLE(v1,pc+16); + __GLX_GET_DOUBLE(v2,pc+24); + __GLX_SWAP_DOUBLE_ARRAY(pc+44, compsize); + pc += 44; + ustride = vorder * k; + vstride = k; + +#ifdef __GLX_ALIGN64 + if (((unsigned long)pc) & 7) { + /* + ** Copy the doubles up 4 bytes, trashing the command but aligning + ** the data in the process + */ + __GLX_MEM_COPY(pc-4, pc, compsize*8); + points = (GLdouble*) (pc - 4); + } else { + points = (GLdouble*) pc; + } +#else + points = (GLdouble*) pc; +#endif + glMap2d(target, u1, u2, ustride, uorder, v1, v2, vstride, vorder, points); +} + +void __glXDispSwap_CallLists(GLbyte *pc) +{ + GLenum type; + GLsizei n; + __GLX_DECLARE_SWAP_VARIABLES; + __GLX_DECLARE_SWAP_ARRAY_VARIABLES; + + __GLX_SWAP_INT(pc + 4); + __GLX_SWAP_INT(pc + 0); + type = *(GLenum *)(pc + 4); + n = *(GLsizei *)(pc + 0); + + switch (type) { + case GL_BYTE: + case GL_UNSIGNED_BYTE: + case GL_2_BYTES: + case GL_3_BYTES: + case GL_4_BYTES: + break; + case GL_SHORT: + case GL_UNSIGNED_SHORT: + __GLX_SWAP_SHORT_ARRAY(pc+8, n); + break; + case GL_INT: + case GL_UNSIGNED_INT: + __GLX_SWAP_INT_ARRAY(pc+8, n); + break; + case GL_FLOAT: + __GLX_SWAP_FLOAT_ARRAY(pc+8, n); + break; + } + + glCallLists(n, type, pc+8); +} + +static void swapArray(GLint numVals, GLenum datatype, + GLint stride, GLint numVertexes, GLbyte *pc) +{ + int i,j; + __GLX_DECLARE_SWAP_VARIABLES; + + switch (datatype) { + case GL_BYTE: + case GL_UNSIGNED_BYTE: + /* don't need to swap */ + return; + case GL_SHORT: + case GL_UNSIGNED_SHORT: + for (i=0; i<numVertexes; i++) { + GLshort *pVal = (GLshort *) pc; + for (j=0; j<numVals; j++) { + __GLX_SWAP_SHORT(&pVal[j]); + } + pc += stride; + } + break; + case GL_INT: + case GL_UNSIGNED_INT: + for (i=0; i<numVertexes; i++) { + GLint *pVal = (GLint *) pc; + for (j=0; j<numVals; j++) { + __GLX_SWAP_INT(&pVal[j]); + } + pc += stride; + } + break; + case GL_FLOAT: + for (i=0; i<numVertexes; i++) { + GLfloat *pVal = (GLfloat *) pc; + for (j=0; j<numVals; j++) { + __GLX_SWAP_FLOAT(&pVal[j]); + } + pc += stride; + } + break; + case GL_DOUBLE: + for (i=0; i<numVertexes; i++) { + GLdouble *pVal = (GLdouble *) pc; + for (j=0; j<numVals; j++) { + __GLX_SWAP_DOUBLE(&pVal[j]); + } + pc += stride; + } + break; + default: + return; + } +} + +void __glXDispSwap_DrawArrays(GLbyte *pc) +{ + __GLXdispatchDrawArraysHeader *hdr = (__GLXdispatchDrawArraysHeader *)pc; + __GLXdispatchDrawArraysComponentHeader *compHeader; + GLint numVertexes = hdr->numVertexes; + GLint numComponents = hdr->numComponents; + GLenum primType = hdr->primType; + GLint stride = 0; + int i; + __GLX_DECLARE_SWAP_VARIABLES; + + __GLX_SWAP_INT(&numVertexes); + __GLX_SWAP_INT(&numComponents); + __GLX_SWAP_INT(&primType); + + pc += sizeof(__GLXdispatchDrawArraysHeader); + compHeader = (__GLXdispatchDrawArraysComponentHeader *) pc; + + /* compute stride (same for all component arrays) */ + for (i=0; i<numComponents; i++) { + GLenum datatype = compHeader[i].datatype; + GLint numVals = compHeader[i].numVals; + GLenum component = compHeader[i].component; + + __GLX_SWAP_INT(&datatype); + __GLX_SWAP_INT(&numVals); + __GLX_SWAP_INT(&component); + + stride += __GLX_PAD(numVals * __glXTypeSize(datatype)); + } + + pc += numComponents * sizeof(__GLXdispatchDrawArraysComponentHeader); + + /* set up component arrays */ + for (i=0; i<numComponents; i++) { + GLenum datatype = compHeader[i].datatype; + GLint numVals = compHeader[i].numVals; + GLenum component = compHeader[i].component; + + swapArray(numVals, datatype, stride, numVertexes, pc); + + switch (component) { + case GL_VERTEX_ARRAY: + glEnableClientState(GL_VERTEX_ARRAY); + glVertexPointer(numVals, datatype, stride, pc); + break; + case GL_NORMAL_ARRAY: + glEnableClientState(GL_NORMAL_ARRAY); + glNormalPointer(datatype, stride, pc); + break; + case GL_COLOR_ARRAY: + glEnableClientState(GL_COLOR_ARRAY); + glColorPointer(numVals, datatype, stride, pc); + break; + case GL_INDEX_ARRAY: + glEnableClientState(GL_INDEX_ARRAY); + glIndexPointer(datatype, stride, pc); + break; + case GL_TEXTURE_COORD_ARRAY: + glEnableClientState(GL_TEXTURE_COORD_ARRAY); + glTexCoordPointer(numVals, datatype, stride, pc); + break; + case GL_EDGE_FLAG_ARRAY: + glEnableClientState(GL_EDGE_FLAG_ARRAY); + glEdgeFlagPointer(stride, (const GLboolean *)pc); + break; + default: + break; + } + + pc += __GLX_PAD(numVals * __glXTypeSize(datatype)); + } + + glDrawArrays(primType, 0, numVertexes); + + /* turn off anything we might have turned on */ + glDisableClientState(GL_VERTEX_ARRAY); + glDisableClientState(GL_NORMAL_ARRAY); + glDisableClientState(GL_COLOR_ARRAY); + glDisableClientState(GL_INDEX_ARRAY); + glDisableClientState(GL_TEXTURE_COORD_ARRAY); + glDisableClientState(GL_EDGE_FLAG_ARRAY); +} + +void __glXDispSwap_DrawArraysEXT(GLbyte *pc) +{ + __glXDispSwap_DrawArrays(pc); +} |