diff options
Diffstat (limited to 'xorg-server/glx/unpack.h')
-rw-r--r-- | xorg-server/glx/unpack.h | 461 |
1 files changed, 227 insertions, 234 deletions
diff --git a/xorg-server/glx/unpack.h b/xorg-server/glx/unpack.h index a5f211555..0a088fc33 100644 --- a/xorg-server/glx/unpack.h +++ b/xorg-server/glx/unpack.h @@ -1,234 +1,227 @@ -#ifdef HAVE_DIX_CONFIG_H
-#include <dix-config.h>
-#endif
-
-#ifndef __GLX_unpack_h__
-#define __GLX_unpack_h__
-
-/*
- * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)
- * Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice including the dates of first publication and
- * either this permission notice or a reference to
- * http://oss.sgi.com/projects/FreeB/
- * shall be included in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
- * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
- * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- *
- * Except as contained in this notice, the name of Silicon Graphics, Inc.
- * shall not be used in advertising or otherwise to promote the sale, use or
- * other dealings in this Software without prior written authorization from
- * Silicon Graphics, Inc.
- */
-
-#define __GLX_PAD(s) (((s)+3) & (GLuint)~3)
-
-/*
-** Fetch the context-id out of a SingleReq request pointed to by pc.
-*/
-#define __GLX_GET_SINGLE_CONTEXT_TAG(pc) (((xGLXSingleReq*)pc)->contextTag)
-#define __GLX_GET_VENDPRIV_CONTEXT_TAG(pc) (((xGLXVendorPrivateReq*)pc)->contextTag)
-
-/*
-** Fetch a double from potentially unaligned memory.
-*/
-#ifdef __GLX_ALIGN64
-#define __GLX_MEM_COPY(dst,src,n) memmove(dst,src,n)
-#define __GLX_GET_DOUBLE(dst,src) __GLX_MEM_COPY(&dst,src,8)
-#else
-#define __GLX_GET_DOUBLE(dst,src) (dst) = *((GLdouble*)(src))
-#endif
-
-extern void __glXMemInit(void);
-
-extern xGLXSingleReply __glXReply;
-
-#define __GLX_BEGIN_REPLY(size) \
- __glXReply.length = __GLX_PAD(size) >> 2; \
- __glXReply.type = X_Reply; \
- __glXReply.sequenceNumber = client->sequence;
-
-#define __GLX_SEND_HEADER() \
- WriteToClient( client, sz_xGLXSingleReply, (char *)&__glXReply);
-
-#define __GLX_PUT_RETVAL(a) \
- __glXReply.retval = (a);
-
-#define __GLX_PUT_SIZE(a) \
- __glXReply.size = (a);
-
-#define __GLX_PUT_RENDERMODE(m) \
- __glXReply.pad3 = (m)
-
-/*
-** Get a buffer to hold returned data, with the given alignment. If we have
-** to realloc, allocate size+align, in case the pointer has to be bumped for
-** alignment. The answerBuffer should already be aligned.
-**
-** NOTE: the cast (long)res below assumes a long is large enough to hold a
-** pointer.
-*/
-#define __GLX_GET_ANSWER_BUFFER(res,cl,size,align) \
- if ((size) > sizeof(answerBuffer)) { \
- int bump; \
- if ((cl)->returnBufSize < (size)+(align)) { \
- (cl)->returnBuf = (GLbyte*)realloc((cl)->returnBuf, \
- (size)+(align)); \
- if (!(cl)->returnBuf) { \
- return BadAlloc; \
- } \
- (cl)->returnBufSize = (size)+(align); \
- } \
- res = (char*)cl->returnBuf; \
- bump = (long)(res) % (align); \
- if (bump) res += (align) - (bump); \
- } else { \
- res = (char *)answerBuffer; \
- }
-
-#define __GLX_PUT_BYTE() \
- *(GLbyte *)&__glXReply.pad3 = *(GLbyte *)answer
-
-#define __GLX_PUT_SHORT() \
- *(GLshort *)&__glXReply.pad3 = *(GLshort *)answer
-
-#define __GLX_PUT_INT() \
- *(GLint *)&__glXReply.pad3 = *(GLint *)answer
-
-#define __GLX_PUT_FLOAT() \
- *(GLfloat *)&__glXReply.pad3 = *(GLfloat *)answer
-
-#define __GLX_PUT_DOUBLE() \
- *(GLdouble *)&__glXReply.pad3 = *(GLdouble *)answer
-
-#define __GLX_SEND_BYTE_ARRAY(len) \
- WriteToClient(client, __GLX_PAD((len)*__GLX_SIZE_INT8), (char *)answer)
-
-#define __GLX_SEND_SHORT_ARRAY(len) \
- WriteToClient(client, __GLX_PAD((len)*__GLX_SIZE_INT16), (char *)answer)
-
-#define __GLX_SEND_INT_ARRAY(len) \
- WriteToClient(client, (len)*__GLX_SIZE_INT32, (char *)answer)
-
-#define __GLX_SEND_FLOAT_ARRAY(len) \
- WriteToClient(client, (len)*__GLX_SIZE_FLOAT32, (char *)answer)
-
-#define __GLX_SEND_DOUBLE_ARRAY(len) \
- WriteToClient(client, (len)*__GLX_SIZE_FLOAT64, (char *)answer)
-
-
-#define __GLX_SEND_VOID_ARRAY(len) __GLX_SEND_BYTE_ARRAY(len)
-#define __GLX_SEND_UBYTE_ARRAY(len) __GLX_SEND_BYTE_ARRAY(len)
-#define __GLX_SEND_USHORT_ARRAY(len) __GLX_SEND_SHORT_ARRAY(len)
-#define __GLX_SEND_UINT_ARRAY(len) __GLX_SEND_INT_ARRAY(len)
-
-/*
-** PERFORMANCE NOTE:
-** Machine dependent optimizations abound here; these swapping macros can
-** conceivably be replaced with routines that do the job faster.
-*/
-#define __GLX_DECLARE_SWAP_VARIABLES \
- GLbyte sw
-
-#define __GLX_DECLARE_SWAP_ARRAY_VARIABLES \
- GLbyte *swapPC; \
- GLbyte *swapEnd
-
-
-#define __GLX_SWAP_INT(pc) \
- sw = ((GLbyte *)(pc))[0]; \
- ((GLbyte *)(pc))[0] = ((GLbyte *)(pc))[3]; \
- ((GLbyte *)(pc))[3] = sw; \
- sw = ((GLbyte *)(pc))[1]; \
- ((GLbyte *)(pc))[1] = ((GLbyte *)(pc))[2]; \
- ((GLbyte *)(pc))[2] = sw;
-
-#define __GLX_SWAP_SHORT(pc) \
- sw = ((GLbyte *)(pc))[0]; \
- ((GLbyte *)(pc))[0] = ((GLbyte *)(pc))[1]; \
- ((GLbyte *)(pc))[1] = sw;
-
-#define __GLX_SWAP_DOUBLE(pc) \
- sw = ((GLbyte *)(pc))[0]; \
- ((GLbyte *)(pc))[0] = ((GLbyte *)(pc))[7]; \
- ((GLbyte *)(pc))[7] = sw; \
- sw = ((GLbyte *)(pc))[1]; \
- ((GLbyte *)(pc))[1] = ((GLbyte *)(pc))[6]; \
- ((GLbyte *)(pc))[6] = sw; \
- sw = ((GLbyte *)(pc))[2]; \
- ((GLbyte *)(pc))[2] = ((GLbyte *)(pc))[5]; \
- ((GLbyte *)(pc))[5] = sw; \
- sw = ((GLbyte *)(pc))[3]; \
- ((GLbyte *)(pc))[3] = ((GLbyte *)(pc))[4]; \
- ((GLbyte *)(pc))[4] = sw;
-
-#define __GLX_SWAP_FLOAT(pc) \
- sw = ((GLbyte *)(pc))[0]; \
- ((GLbyte *)(pc))[0] = ((GLbyte *)(pc))[3]; \
- ((GLbyte *)(pc))[3] = sw; \
- sw = ((GLbyte *)(pc))[1]; \
- ((GLbyte *)(pc))[1] = ((GLbyte *)(pc))[2]; \
- ((GLbyte *)(pc))[2] = sw;
-
-#define __GLX_SWAP_INT_ARRAY(pc, count) \
- swapPC = ((GLbyte *)(pc)); \
- swapEnd = ((GLbyte *)(pc)) + (count)*__GLX_SIZE_INT32;\
- while (swapPC < swapEnd) { \
- __GLX_SWAP_INT(swapPC); \
- swapPC += __GLX_SIZE_INT32; \
- }
-
-#define __GLX_SWAP_SHORT_ARRAY(pc, count) \
- swapPC = ((GLbyte *)(pc)); \
- swapEnd = ((GLbyte *)(pc)) + (count)*__GLX_SIZE_INT16;\
- while (swapPC < swapEnd) { \
- __GLX_SWAP_SHORT(swapPC); \
- swapPC += __GLX_SIZE_INT16; \
- }
-
-#define __GLX_SWAP_DOUBLE_ARRAY(pc, count) \
- swapPC = ((GLbyte *)(pc)); \
- swapEnd = ((GLbyte *)(pc)) + (count)*__GLX_SIZE_FLOAT64;\
- while (swapPC < swapEnd) { \
- __GLX_SWAP_DOUBLE(swapPC); \
- swapPC += __GLX_SIZE_FLOAT64; \
- }
-
-#define __GLX_SWAP_FLOAT_ARRAY(pc, count) \
- swapPC = ((GLbyte *)(pc)); \
- swapEnd = ((GLbyte *)(pc)) + (count)*__GLX_SIZE_FLOAT32;\
- while (swapPC < swapEnd) { \
- __GLX_SWAP_FLOAT(swapPC); \
- swapPC += __GLX_SIZE_FLOAT32; \
- }
-
-#define __GLX_SWAP_REPLY_HEADER() \
- __GLX_SWAP_SHORT(&__glXReply.sequenceNumber); \
- __GLX_SWAP_INT(&__glXReply.length);
-
-#define __GLX_SWAP_REPLY_RETVAL() \
- __GLX_SWAP_INT(&__glXReply.retval)
-
-#define __GLX_SWAP_REPLY_SIZE() \
- __GLX_SWAP_INT(&__glXReply.size)
-
-#endif /* !__GLX_unpack_h__ */
-
-
-
-
-
+#ifdef HAVE_DIX_CONFIG_H +#include <dix-config.h> +#endif + +#ifndef __GLX_unpack_h__ +#define __GLX_unpack_h__ + +/* + * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008) + * Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice including the dates of first publication and + * either this permission notice or a reference to + * http://oss.sgi.com/projects/FreeB/ + * shall be included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF + * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Except as contained in this notice, the name of Silicon Graphics, Inc. + * shall not be used in advertising or otherwise to promote the sale, use or + * other dealings in this Software without prior written authorization from + * Silicon Graphics, Inc. + */ + +#define __GLX_PAD(s) (((s)+3) & (GLuint)~3) + +/* +** Fetch the context-id out of a SingleReq request pointed to by pc. +*/ +#define __GLX_GET_SINGLE_CONTEXT_TAG(pc) (((xGLXSingleReq*)pc)->contextTag) +#define __GLX_GET_VENDPRIV_CONTEXT_TAG(pc) (((xGLXVendorPrivateReq*)pc)->contextTag) + +/* +** Fetch a double from potentially unaligned memory. +*/ +#ifdef __GLX_ALIGN64 +#define __GLX_MEM_COPY(dst,src,n) memmove(dst,src,n) +#define __GLX_GET_DOUBLE(dst,src) __GLX_MEM_COPY(&dst,src,8) +#else +#define __GLX_GET_DOUBLE(dst,src) (dst) = *((GLdouble*)(src)) +#endif + +extern void __glXMemInit(void); + +extern xGLXSingleReply __glXReply; + +#define __GLX_BEGIN_REPLY(size) \ + __glXReply.length = __GLX_PAD(size) >> 2; \ + __glXReply.type = X_Reply; \ + __glXReply.sequenceNumber = client->sequence; + +#define __GLX_SEND_HEADER() \ + WriteToClient( client, sz_xGLXSingleReply, (char *)&__glXReply); + +#define __GLX_PUT_RETVAL(a) \ + __glXReply.retval = (a); + +#define __GLX_PUT_SIZE(a) \ + __glXReply.size = (a); + +#define __GLX_PUT_RENDERMODE(m) \ + __glXReply.pad3 = (m) + +/* +** Get a buffer to hold returned data, with the given alignment. If we have +** to realloc, allocate size+align, in case the pointer has to be bumped for +** alignment. The answerBuffer should already be aligned. +** +** NOTE: the cast (long)res below assumes a long is large enough to hold a +** pointer. +*/ +#define __GLX_GET_ANSWER_BUFFER(res,cl,size,align) \ + if ((size) > sizeof(answerBuffer)) { \ + int bump; \ + if ((cl)->returnBufSize < (size)+(align)) { \ + (cl)->returnBuf = (GLbyte*)realloc((cl)->returnBuf, \ + (size)+(align)); \ + if (!(cl)->returnBuf) { \ + return BadAlloc; \ + } \ + (cl)->returnBufSize = (size)+(align); \ + } \ + res = (char*)cl->returnBuf; \ + bump = (long)(res) % (align); \ + if (bump) res += (align) - (bump); \ + } else { \ + res = (char *)answerBuffer; \ + } + +#define __GLX_PUT_BYTE() \ + *(GLbyte *)&__glXReply.pad3 = *(GLbyte *)answer + +#define __GLX_PUT_SHORT() \ + *(GLshort *)&__glXReply.pad3 = *(GLshort *)answer + +#define __GLX_PUT_INT() \ + *(GLint *)&__glXReply.pad3 = *(GLint *)answer + +#define __GLX_PUT_FLOAT() \ + *(GLfloat *)&__glXReply.pad3 = *(GLfloat *)answer + +#define __GLX_PUT_DOUBLE() \ + *(GLdouble *)&__glXReply.pad3 = *(GLdouble *)answer + +#define __GLX_SEND_BYTE_ARRAY(len) \ + WriteToClient(client, __GLX_PAD((len)*__GLX_SIZE_INT8), (char *)answer) + +#define __GLX_SEND_SHORT_ARRAY(len) \ + WriteToClient(client, __GLX_PAD((len)*__GLX_SIZE_INT16), (char *)answer) + +#define __GLX_SEND_INT_ARRAY(len) \ + WriteToClient(client, (len)*__GLX_SIZE_INT32, (char *)answer) + +#define __GLX_SEND_FLOAT_ARRAY(len) \ + WriteToClient(client, (len)*__GLX_SIZE_FLOAT32, (char *)answer) + +#define __GLX_SEND_DOUBLE_ARRAY(len) \ + WriteToClient(client, (len)*__GLX_SIZE_FLOAT64, (char *)answer) + +#define __GLX_SEND_VOID_ARRAY(len) __GLX_SEND_BYTE_ARRAY(len) +#define __GLX_SEND_UBYTE_ARRAY(len) __GLX_SEND_BYTE_ARRAY(len) +#define __GLX_SEND_USHORT_ARRAY(len) __GLX_SEND_SHORT_ARRAY(len) +#define __GLX_SEND_UINT_ARRAY(len) __GLX_SEND_INT_ARRAY(len) + +/* +** PERFORMANCE NOTE: +** Machine dependent optimizations abound here; these swapping macros can +** conceivably be replaced with routines that do the job faster. +*/ +#define __GLX_DECLARE_SWAP_VARIABLES \ + GLbyte sw + +#define __GLX_DECLARE_SWAP_ARRAY_VARIABLES \ + GLbyte *swapPC; \ + GLbyte *swapEnd + +#define __GLX_SWAP_INT(pc) \ + sw = ((GLbyte *)(pc))[0]; \ + ((GLbyte *)(pc))[0] = ((GLbyte *)(pc))[3]; \ + ((GLbyte *)(pc))[3] = sw; \ + sw = ((GLbyte *)(pc))[1]; \ + ((GLbyte *)(pc))[1] = ((GLbyte *)(pc))[2]; \ + ((GLbyte *)(pc))[2] = sw; + +#define __GLX_SWAP_SHORT(pc) \ + sw = ((GLbyte *)(pc))[0]; \ + ((GLbyte *)(pc))[0] = ((GLbyte *)(pc))[1]; \ + ((GLbyte *)(pc))[1] = sw; + +#define __GLX_SWAP_DOUBLE(pc) \ + sw = ((GLbyte *)(pc))[0]; \ + ((GLbyte *)(pc))[0] = ((GLbyte *)(pc))[7]; \ + ((GLbyte *)(pc))[7] = sw; \ + sw = ((GLbyte *)(pc))[1]; \ + ((GLbyte *)(pc))[1] = ((GLbyte *)(pc))[6]; \ + ((GLbyte *)(pc))[6] = sw; \ + sw = ((GLbyte *)(pc))[2]; \ + ((GLbyte *)(pc))[2] = ((GLbyte *)(pc))[5]; \ + ((GLbyte *)(pc))[5] = sw; \ + sw = ((GLbyte *)(pc))[3]; \ + ((GLbyte *)(pc))[3] = ((GLbyte *)(pc))[4]; \ + ((GLbyte *)(pc))[4] = sw; + +#define __GLX_SWAP_FLOAT(pc) \ + sw = ((GLbyte *)(pc))[0]; \ + ((GLbyte *)(pc))[0] = ((GLbyte *)(pc))[3]; \ + ((GLbyte *)(pc))[3] = sw; \ + sw = ((GLbyte *)(pc))[1]; \ + ((GLbyte *)(pc))[1] = ((GLbyte *)(pc))[2]; \ + ((GLbyte *)(pc))[2] = sw; + +#define __GLX_SWAP_INT_ARRAY(pc, count) \ + swapPC = ((GLbyte *)(pc)); \ + swapEnd = ((GLbyte *)(pc)) + (count)*__GLX_SIZE_INT32;\ + while (swapPC < swapEnd) { \ + __GLX_SWAP_INT(swapPC); \ + swapPC += __GLX_SIZE_INT32; \ + } + +#define __GLX_SWAP_SHORT_ARRAY(pc, count) \ + swapPC = ((GLbyte *)(pc)); \ + swapEnd = ((GLbyte *)(pc)) + (count)*__GLX_SIZE_INT16;\ + while (swapPC < swapEnd) { \ + __GLX_SWAP_SHORT(swapPC); \ + swapPC += __GLX_SIZE_INT16; \ + } + +#define __GLX_SWAP_DOUBLE_ARRAY(pc, count) \ + swapPC = ((GLbyte *)(pc)); \ + swapEnd = ((GLbyte *)(pc)) + (count)*__GLX_SIZE_FLOAT64;\ + while (swapPC < swapEnd) { \ + __GLX_SWAP_DOUBLE(swapPC); \ + swapPC += __GLX_SIZE_FLOAT64; \ + } + +#define __GLX_SWAP_FLOAT_ARRAY(pc, count) \ + swapPC = ((GLbyte *)(pc)); \ + swapEnd = ((GLbyte *)(pc)) + (count)*__GLX_SIZE_FLOAT32;\ + while (swapPC < swapEnd) { \ + __GLX_SWAP_FLOAT(swapPC); \ + swapPC += __GLX_SIZE_FLOAT32; \ + } + +#define __GLX_SWAP_REPLY_HEADER() \ + __GLX_SWAP_SHORT(&__glXReply.sequenceNumber); \ + __GLX_SWAP_INT(&__glXReply.length); + +#define __GLX_SWAP_REPLY_RETVAL() \ + __GLX_SWAP_INT(&__glXReply.retval) + +#define __GLX_SWAP_REPLY_SIZE() \ + __GLX_SWAP_INT(&__glXReply.size) + +#endif /* !__GLX_unpack_h__ */ |