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Convert protocol decode tabels for Render and RenderLarge to use nice,

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compact N-way search trees generated by scripts in Mesa.
This commit is contained in:
Ian Romanick 2006-08-23 16:05:37 -07:00
commit f6fd7d8f83
7 changed files with 1073 additions and 2652 deletions
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76
GL/glx/glxcmdsswap.c
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@ -669,9 +669,10 @@ int __glXDispSwap_Render(__GLXclientState *cl, GLbyte *pc)
pc += sz_xGLXRenderReq;
left = (req->length << 2) - sz_xGLXRenderReq;
while (left > 0) {
__GLXrenderSizeData *entry;
__GLXrenderSizeData entry;
int extra;
void (* proc)(GLbyte *);
__GLXdispatchRenderProcPtr proc;
int err;
/*
** Verify that the header length and the overall length agree.
@ -683,38 +684,27 @@ int __glXDispSwap_Render(__GLXclientState *cl, GLbyte *pc)
cmdlen = hdr->length;
opcode = hdr->opcode;
if ( (opcode >= __GLX_MIN_RENDER_OPCODE) &&
(opcode <= __GLX_MAX_RENDER_OPCODE) ) {
entry = &__glXRenderSizeTable[opcode];
proc = __glXSwapRenderTable[opcode];
#if __GLX_MAX_RENDER_OPCODE_EXT > __GLX_MIN_RENDER_OPCODE_EXT
} else if ( (opcode >= __GLX_MIN_RENDER_OPCODE_EXT) &&
(opcode <= __GLX_MAX_RENDER_OPCODE_EXT) ) {
int index = opcode - __GLX_MIN_RENDER_OPCODE_EXT;
entry = &__glXRenderSizeTable_EXT[index];
proc = __glXSwapRenderTable_EXT[index];
#endif /* __GLX_MAX_RENDER_OPCODE_EXT > __GLX_MIN_RENDER_OPCODE_EXT */
} else {
err = __glXGetProtocolSizeData(& Render_dispatch_info, opcode, & entry);
proc = (__GLXdispatchRenderProcPtr)
__glXGetProtocolDecodeFunction(& Render_dispatch_info, opcode, 1);
if ((err < 0) || (proc == NULL)) {
client->errorValue = commandsDone;
return __glXError(GLXBadRenderRequest);
}
if (!entry->bytes) {
/* unused opcode */
client->errorValue = commandsDone;
return __glXError(GLXBadRenderRequest);
}
if (entry->varsize) {
if (entry.varsize) {
/* variable size command */
extra = (*entry->varsize)(pc + __GLX_RENDER_HDR_SIZE, True);
extra = (*entry.varsize)(pc + __GLX_RENDER_HDR_SIZE, True);
if (extra < 0) {
extra = 0;
}
if (cmdlen != __GLX_PAD(entry->bytes + extra)) {
if (cmdlen != __GLX_PAD(entry.bytes + extra)) {
return BadLength;
}
} else {
/* constant size command */
if (cmdlen != __GLX_PAD(entry->bytes)) {
if (cmdlen != __GLX_PAD(entry.bytes)) {
return BadLength;
}
}
@ -746,7 +736,7 @@ int __glXDispSwap_RenderLarge(__GLXclientState *cl, GLbyte *pc)
xGLXRenderLargeReq *req;
ClientPtr client= cl->client;
size_t dataBytes;
void (*proc)(GLbyte *);
__GLXdispatchRenderProcPtr proc;
__GLXrenderLargeHeader *hdr;
__GLXcontext *cx;
int error;
@ -785,9 +775,11 @@ int __glXDispSwap_RenderLarge(__GLXclientState *cl, GLbyte *pc)
pc += sz_xGLXRenderLargeReq;
if (cl->largeCmdRequestsSoFar == 0) {
__GLXrenderSizeData *entry;
__GLXrenderSizeData entry;
int extra;
size_t cmdlen;
int err;
/*
** This is the first request of a multi request command.
** Make enough space in the buffer, then copy the entire request.
@ -802,44 +794,36 @@ int __glXDispSwap_RenderLarge(__GLXclientState *cl, GLbyte *pc)
cmdlen = hdr->length;
opcode = hdr->opcode;
if ( (opcode >= __GLX_MIN_RENDER_OPCODE) &&
(opcode <= __GLX_MAX_RENDER_OPCODE) ) {
entry = &__glXRenderSizeTable[opcode];
proc = __glXSwapRenderTable[opcode];
#if __GLX_MAX_RENDER_OPCODE_EXT > __GLX_MIN_RENDER_OPCODE_EXT
} else if ( (opcode >= __GLX_MIN_RENDER_OPCODE_EXT) &&
(opcode <= __GLX_MAX_RENDER_OPCODE_EXT) ) {
int index = opcode - __GLX_MIN_RENDER_OPCODE_EXT;
entry = &__glXRenderSizeTable_EXT[index];
proc = __glXSwapRenderTable_EXT[index];
#endif /* __GLX_MAX_RENDER_OPCODE_EXT > __GLX_MIN_RENDER_OPCODE_EXT */
} else {
err = __glXGetProtocolSizeData(& Render_dispatch_info, opcode, & entry);
if (err < 0) {
client->errorValue = opcode;
return __glXError(GLXBadLargeRequest);
}
if (!entry->bytes) {
/* unused opcode */
client->errorValue = opcode;
return __glXError(GLXBadLargeRequest);
}
if (entry->varsize) {
proc = (__GLXdispatchRenderProcPtr)
__glXGetProtocolDecodeFunction(& Render_dispatch_info, opcode, 0);
if (proc == NULL) {
client->errorValue = opcode;
return __glXError(GLXBadLargeRequest);
}
if (entry.varsize) {
/*
** If it's a variable-size command (a command whose length must
** be computed from its parameters), all the parameters needed
** will be in the 1st request, so it's okay to do this.
*/
extra = (*entry->varsize)(pc + __GLX_RENDER_LARGE_HDR_SIZE, True);
extra = (*entry.varsize)(pc + __GLX_RENDER_LARGE_HDR_SIZE, True);
if (extra < 0) {
extra = 0;
}
/* large command's header is 4 bytes longer, so add 4 */
if (cmdlen != __GLX_PAD(entry->bytes + 4 + extra)) {
if (cmdlen != __GLX_PAD(entry.bytes + 4 + extra)) {
return BadLength;
}
} else {
/* constant size command */
if (cmdlen != __GLX_PAD(entry->bytes + 4)) {
if (cmdlen != __GLX_PAD(entry.bytes + 4)) {
return BadLength;
}
}