/**
* Accept a connection from a client.
* \param protocol the protocol to use (such as "tcpip" or "gm")
* \param hostname optional hostname of the expected client (may be NULL)
* \param port number of the port to accept on
* \param mtu maximum transmission unit
* \param broker either 1 or 0 to indicate if connection is brokered through
* the mothership
* \return new CRConnection object, or NULL
*/
CRConnection *
crNetAcceptClient( const char *protocol, const char *hostname,
unsigned short port, unsigned int mtu, int broker )
{
CRConnection *conn;
CRASSERT( cr_net.initialized );
conn = (CRConnection *) crCalloc( sizeof( *conn ) );
if (!conn)
return NULL;
/* init the non-zero fields */
conn->type = CR_NO_CONNECTION; /* we don't know yet */
conn->recv_credits = CR_INITIAL_RECV_CREDITS;
conn->port = port;
conn->mtu = mtu;
conn->buffer_size = mtu;
conn->broker = broker;
conn->endianness = crDetermineEndianness();
conn->teac_id = -1;
conn->teac_rank = -1;
conn->tcscomm_id = -1;
conn->tcscomm_rank = -1;
/* now, just dispatch to the appropriate protocol's initialization functions. */
crDebug("In crNetAcceptClient( protocol=\"%s\" port=%d mtu=%d )",
protocol, (int) port, (int) mtu);
/* special case */
if ( !crStrncmp( protocol, "file", crStrlen( "file" ) ) ||
!crStrncmp( protocol, "swapfile", crStrlen( "swapfile" ) ) )
{
char filename[4096];
char protocol_only[4096];
cr_net.use_file++;
if (!crParseURL(protocol, protocol_only, filename, NULL, 0))
{
crError( "Malformed URL: \"%s\"", protocol );
}
conn->hostname = crStrdup( filename );
/* call the protocol-specific init routines */ // ktd (add)
InitConnection(conn, protocol_only, mtu); // ktd (add)
}
else {
/* call the protocol-specific init routines */
InitConnection(conn, protocol, mtu);
}
crNetAccept( conn, hostname, port );
return conn;
}
char *crStrjoin( const char *str1, const char *str2 )
{
const int len1 = crStrlen(str1), len2 = crStrlen(str2);
char *s = crAlloc(len1 + len2 + 1);
if (s)
{
crMemcpy( s, str1, len1 );
crMemcpy( s + len1, str2, len2 );
s[len1 + len2] = '\0';
}
return s;
}
/* Intersect two strings on a word-by-word basis (separated by spaces).
* We typically use this to intersect OpenGL extension strings.
* Example: if s1 = "apple banana plum pear"
* and s2 = "plum banana orange"
* then return "banana plum" (or "plum banana").
*/
char *crStrIntersect( const char *s1, const char *s2 )
{
int len1, len2;
int resultLen;
char *result;
char **exten1, **exten2;
int i, j;
if (!s1 || !s2) {
/* null strings, no intersection */
return NULL;
}
len1 = crStrlen(s1);
len2 = crStrlen(s2);
/* allocate storage for result (a conservative estimate) */
resultLen = ((len1 > len2) ? len1 : len2) + 2;
result = (char *) crAlloc(resultLen);
if (!result)
{
return NULL;
}
result[0] = 0;
/* split s1 and s2 at space chars */
exten1 = crStrSplit(s1, " ");
exten2 = crStrSplit(s2, " ");
for (i = 0; exten1[i]; i++)
{
for (j = 0; exten2[j]; j++)
{
if (crStrcmp(exten1[i], exten2[j]) == 0)
{
/* found an intersection, append to result */
crStrcat(result, exten1[i]);
crStrcat(result, " ");
break;
}
}
}
/* free split strings */
crFreeStrings( exten1 );
crFreeStrings( exten2 );
/*CRASSERT(crStrlen(result) < resultLen);*/
/* all done! */
return result;
}
char *crStrstr( const char *str, const char *pat )
{
int pat_len = crStrlen( pat );
const char *end = str + crStrlen(str) - pat_len;
char first_char = *pat;
if (!str) return NULL;
for (; str <= end ; str++)
{
if (*str == first_char && !crMemcmp( str, pat, pat_len ))
return (char *) str;
}
return NULL;
}
GLint renderspuWindowCreateEx( const char *dpyName, GLint visBits, GLint id )
{
WindowInfo *window;
VisualInfo *visual;
GLboolean showIt;
if (id <= 0)
{
id = (GLint)crHashtableAllocKeys(render_spu.windowTable, 1);
if (id <= 0)
{
crWarning("failed to allocate window id");
return -1;
}
}
else
{
if (crHashtableIsKeyUsed(render_spu.windowTable, id))
{
crWarning("the specified window key %d is in use", id);
return -1;
}
}
if (!dpyName || crStrlen(render_spu.display_string) > 0)
dpyName = render_spu.display_string;
visual = renderspuFindVisual( dpyName, visBits );
if (!visual)
{
crWarning( "Render SPU: Couldn't create a window, renderspuFindVisual returned NULL" );
return -1;
}
/* Allocate WindowInfo */
window = (WindowInfo *) crCalloc(sizeof(WindowInfo));
if (!window)
{
crWarning( "Render SPU: Couldn't create a window" );
return -1;
}
crHashtableAdd(render_spu.windowTable, id, window);
showIt = 0;
/*
crDebug("Render SPU: Creating window (visBits=0x%x, id=%d)", visBits, window->BltInfo.Base.id);
*/
/* Have GLX/WGL/AGL create the window */
if (!renderspuWindowInit( window, visual, showIt, id ))
{
crFree(window);
crWarning( "Render SPU: Couldn't create a window, renderspu_SystemCreateWindow failed" );
return -1;
}
return window->BltInfo.Base.id;
}
static int validate_one_option( const SPUOptions *opt,
const char *response,
const char *min,
const char *max )
{
switch (opt->type) {
case CR_BOOL:
return validate_int( response, "0", "1" );
case CR_INT:
return validate_int( response, min, max );
case CR_FLOAT:
return validate_float( response, min, max );
case CR_ENUM:
/* Make sure response string is present in the min string.
* For enums, the min string is a comma-separated list of valid values.
*/
CRASSERT(opt->numValues == 1); /* an enum limitation for now */
{
const char *p = crStrstr(min, response);
if (!p)
return 0; /* invalid value! */
if (p[-1] != '\'')
return 0; /* right substring */
if (p[crStrlen(response)] != '\'')
return 0; /* left substring */
return 1;
}
default:
return 0;
}
}
int crdlm_pointers_TexSubImage3D( struct instanceTexSubImage3D *instance, GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type, const GLvoid *pixels, CRClientState *c )
{
unsigned int size;
int is_distrib = ((type == GL_TRUE) || (type == GL_FALSE));
if (pixels == NULL) {
size = 0;
}
else if (is_distrib) {
size = crStrlen(pixels) + 1 + (type==GL_TRUE?width*height*3:0);
}
else {
size = crTextureSize(format, type, width, height, depth);
}
if (instance && size > 0) {
if (is_distrib) {
crMemcpy(instance->pixels, pixels, size);
}
else {
crPixelCopy3D(width, height, depth,
instance->pixels, format, type, NULL,
pixels, format, type, &c->unpack);
}
}
return size;
}
static int
ParseVisString( const char *visString )
{
int mask = 0;
if (crStrlen(visString) > 0) {
if (crStrstr(visString, "rgb"))
mask |= CR_RGB_BIT;
if (crStrstr(visString, "alpha"))
mask |= CR_ALPHA_BIT;
if (crStrstr(visString, "z") || crStrstr(visString, "depth"))
mask |= CR_DEPTH_BIT;
if (crStrstr(visString, "stencil"))
mask |= CR_STENCIL_BIT;
if (crStrstr(visString, "accum"))
mask |= CR_ACCUM_BIT;
if (crStrstr(visString, "stereo"))
mask |= CR_STEREO_BIT;
if (crStrstr(visString, "multisample"))
mask |= CR_MULTISAMPLE_BIT;
if (crStrstr(visString, "double"))
mask |= CR_DOUBLE_BIT;
if (crStrstr(visString, "pbuffer"))
mask |= CR_PBUFFER_BIT;
}
return mask;
}
void
CRUT_APIENTRY
crutGetMenuXML( CRUTAPI *crut_api )
{
char response[8096];
if (!crut_api->mothershipConn)
crError("Checking for Menu XML but no connection!");
crMothershipGetParam( crut_api->mothershipConn, "crut_menu_xml", response );
if (crStrlen(response) < MENU_MAX_SIZE)
crMemcpy(crut_api->menuBuffer, response, crStrlen(response));
else
crError("Menu XML is too long for buffer");
}
/**
* Search str for pattern. Pattern may include leading and trailing
* wildcard (*) characters.
* \return pointer to match in s, or NULL.
*/
char *
crStrPatternMatch(const char *s, const char *pattern)
{
const int patLen = crStrlen(pattern);
const int leadingWildcard = pattern[0] == '*';
const int trailingWildcard = pattern[patLen-1] == '*';
if (!leadingWildcard) {
if (!trailingWildcard) {
/* total match */
return crStrstr(s, pattern);
}
else {
/* match at head */
char *p = crStrstr(s, pattern);
if (p == s)
return p;
else
return NULL;
}
}
else {
if (!trailingWildcard) {
/* match at tail */
const char *pPtr = pattern + patLen - 1;
const char *sPtr = s + crStrlen(s) - 1;
while (pPtr >= pattern && sPtr >= s) {
if (*pPtr == *sPtr) {
pPtr--;
sPtr--;
}
else {
break;
}
}
if (pPtr == pattern && sPtr >= s)
return (char *) sPtr;
else
return NULL;
}
else {
/* match anywhere */
return crStrstr(s, pattern);
}
}
}
void PACK_APIENTRY crPackShaderSource(GLuint shader, GLsizei count, const char **string, const GLint *length)
{
CR_GET_PACKER_CONTEXT(pc);
unsigned char *data_ptr;
GLint *pLocalLength;
int packet_length = sizeof(int)+sizeof(GLenum)+sizeof(shader)+sizeof(count)+sizeof(GLint)+count*sizeof(*pLocalLength);
GLsizei i;
if ((0==count) || (!string)) return;
pLocalLength = crAlloc(count*sizeof(*length));
if (!pLocalLength) return;
for (i=0; i<count; ++i)
{
pLocalLength[i] = (length && (length[i]>=0)) ? length[i] : crStrlen(string[i])+1;
packet_length += pLocalLength[i];
}
if (length)
{
packet_length += count*sizeof(*length);
}
CR_GET_BUFFERED_POINTER(pc, packet_length);
WRITE_DATA_AI(int, packet_length);
WRITE_DATA_AI(GLenum, CR_SHADERSOURCE_EXTEND_OPCODE);
WRITE_DATA_AI(GLuint, shader);
WRITE_DATA_AI(GLsizei, count);
WRITE_DATA_AI(GLint, (GLint)(length ? 1:0));
crMemcpy(data_ptr, pLocalLength, count*sizeof(*pLocalLength));
data_ptr += count*sizeof(*pLocalLength);
if (length)
{
crMemcpy(data_ptr, length, count*sizeof(*length));
data_ptr += count*sizeof(*length);
}
for (i=0; i<count; ++i)
{
if (string[i])
{
crMemcpy(data_ptr, string[i], pLocalLength[i]);
}
else
{
CRASSERT(pLocalLength[i]==1);
*data_ptr = 0;
}
data_ptr += pLocalLength[i];
}
WRITE_OPCODE(pc, CR_EXTEND_OPCODE);
CR_UNLOCK_PACKER_CONTEXT(pc);
crFree(pLocalLength);
}
void crStrncpy( char *dest, const char *src, unsigned int len )
{
const unsigned int str_len = crStrlen(src);
if (str_len > len - 1) {
crMemcpy( dest, src, len ); /* NOTE: not null-terminated! */
}
else {
crMemcpy( dest, src, str_len + 1 ); /* includes null terminator */
}
}
char *crStrrchr( const char *str, char c )
{
const char *temp = str + crStrlen( str );
for ( ; temp >= str ; temp-- )
{
if (*temp == c)
return (char *) temp;
}
return NULL;
}
static int __numOccurrences( const char *str, const char *substr )
{
int ret = 0;
char *temp = (char *) str;
while ((temp = crStrstr( temp, substr )) != NULL )
{
temp += crStrlen(substr);
ret++;
}
return ret;
}
static void
set_basename(void *foo, const char *response)
{
int rl = crStrlen(response);
if (rl)
{
saveframe_spu.spec = crAlloc(rl + 7);
/* This relies on saveframe_spu.format being initialized first! */
sprintf(saveframe_spu.spec, "%s%%d.%s", response, saveframe_spu.format);
}
}
static ContextInfo * renderspuCreateContextInternal(const char *dpyName, GLint visBits, GLint idCtx, ContextInfo * sharedContext)
{
ContextInfo *context;
VisualInfo *visual;
if (idCtx <= 0)
{
idCtx = (GLint)crHashtableAllocKeys(render_spu.contextTable, 1);
if (idCtx <= 0)
{
crWarning("failed to allocate context id");
return NULL;
}
}
else
{
if (crHashtableIsKeyUsed(render_spu.contextTable, idCtx))
{
crWarning("the specified ctx key %d is in use", idCtx);
return NULL;
}
}
if (!dpyName || crStrlen(render_spu.display_string)>0)
dpyName = render_spu.display_string;
visual = renderspuFindVisual(dpyName, visBits);
if (!visual)
return NULL;
context = (ContextInfo *) crCalloc(sizeof(ContextInfo));
if (!context)
return NULL;
context->BltInfo.Base.id = idCtx;
context->shared = sharedContext;
if (!renderspu_SystemCreateContext(visual, context, sharedContext))
return NULL;
crHashtableAdd(render_spu.contextTable, idCtx, context);
context->BltInfo.Base.visualBits = visual->visAttribs;
/*
crDebug("Render SPU: CreateContext(%s, 0x%x) returning %d",
dpyName, visBits, context->BltInfo.Base.id);
*/
if (sharedContext)
ASMAtomicIncU32(&sharedContext->cRefs);
context->cRefs = 1;
return context;
}
GLboolean renderspuWindowInit( WindowInfo *window, VisualInfo *visual, GLboolean showIt, GLint id )
{
crMemset(window, 0, sizeof (*window));
RTCritSectInit(&window->CompositorLock);
window->fCompositorPresentEmpty = GL_FALSE;
window->pCompositor = NULL;
window->BltInfo.Base.id = id;
window->x = render_spu.defaultX;
window->y = render_spu.defaultY;
window->BltInfo.width = render_spu.defaultWidth;
window->BltInfo.height = render_spu.defaultHeight;
/* Set window->title, replacing %i with the window ID number */
{
const char *s = crStrstr(render_spu.window_title, "%i");
if (s) {
int i, j, k;
window->title = crAlloc(crStrlen(render_spu.window_title) + 10);
for (i = 0; render_spu.window_title[i] != '%'; i++)
window->title[i] = render_spu.window_title[i];
k = sprintf(window->title + i, "%d", window->BltInfo.Base.id);
CRASSERT(k < 10);
i++; /* skip the 'i' after the '%' */
j = i + k;
for (; (window->title[j] = s[i]) != 0; i++, j++)
;
}
else {
window->title = crStrdup(render_spu.window_title);
}
}
window->BltInfo.Base.visualBits = visual->visAttribs;
/*
crDebug("Render SPU: Creating window (visBits=0x%x, id=%d)", visBits, window->BltInfo.Base.id);
*/
/* Have GLX/WGL/AGL create the window */
if (!renderspu_SystemVBoxCreateWindow( visual, showIt, window ))
{
crWarning( "Render SPU: Couldn't create a window, renderspu_SystemCreateWindow failed" );
return GL_FALSE;
}
window->visible = !!showIt;
CRASSERT(window->visual == visual);
return GL_TRUE;
}
static GLboolean hasExtension(const char *haystack, const char *needle)
{
const int needleLen = crStrlen(needle);
const char *s;
while (1) {
s = crStrstr(haystack, needle);
if (!s)
return GL_FALSE;
if (s && (s[needleLen] == ' ' || s[needleLen] == 0))
return GL_TRUE;
haystack += needleLen;
}
}
static const GLubyte *
GetExtensions(void)
{
static GLboolean fInitialized = GL_FALSE;
if (!fInitialized)
{
GLubyte return_value[10*1000];
const GLubyte *extensions, *ext;
GET_THREAD(thread);
int writeback = 1;
if (pack_spu.swap)
{
crPackGetStringSWAP( GL_EXTENSIONS, return_value, &writeback );
}
else
{
crPackGetString( GL_EXTENSIONS, return_value, &writeback );
}
packspuFlush( (void *) thread );
CRPACKSPU_WRITEBACK_WAIT(thread, writeback);
CRASSERT(crStrlen((char *)return_value) < 10*1000);
/* OK, we got the result from the server. Now we have to
* intersect is with the set of extensions that Chromium understands
* and tack on the Chromium-specific extensions.
*/
extensions = return_value;
ext = crStateMergeExtensions(1, &extensions);
#ifdef Linux
/*@todo
*That's a hack to allow running Unity, it uses libnux which is calling extension functions
*without checking if it's being supported/exported.
*glActiveStencilFaceEXT seems to be actually supported but the extension string isn't exported (for ex. on ATI HD4870),
*which leads to libglew setting function pointer to NULL and crashing Unity.
*/
sprintf((char*)gpszExtensions, "%s GL_EXT_stencil_two_side", ext);
#else
sprintf((char*)gpszExtensions, "%s", ext);
#endif
fInitialized = GL_TRUE;
}
return gpszExtensions;
}
char *crStrdup( const char *str )
{
int len;
char *ret;
/* Allow strdup'ing of NULL strings -- this makes the __fillin functions
* much cleaner. */
if (str == NULL) return NULL;
len = crStrlen(str);
ret = (char*)crAlloc( len+1 );
crMemcpy( ret, str, len );
ret[len] = '\0';
return ret;
}
void PACK_APIENTRY crPackBindAttribLocation(GLuint program, GLuint index, const char *name)
{
CR_GET_PACKER_CONTEXT(pc);
unsigned char *data_ptr;
int cbName = crStrlen(name)+1;
int packet_length = sizeof(int)+sizeof(GLenum)+sizeof(program)+sizeof(index) + cbName*sizeof(*name);
CR_GET_BUFFERED_POINTER(pc, packet_length);
WRITE_DATA_AI(int, packet_length);
WRITE_DATA_AI(GLenum, CR_BINDATTRIBLOCATION_EXTEND_OPCODE);
WRITE_DATA_AI(GLuint, program);
WRITE_DATA_AI(GLuint, index);
crMemcpy(data_ptr, name, cbName*sizeof(*name));
WRITE_OPCODE(pc, CR_EXTEND_OPCODE);
CR_UNLOCK_PACKER_CONTEXT(pc);
}
void PACK_APIENTRY crPackGetUniformLocation(GLuint program, const char * name, GLint * return_value, int * writeback)
{
CR_GET_PACKER_CONTEXT(pc);
unsigned char *data_ptr;
int cbName = crStrlen(name)+1;
int packet_length = sizeof(int)+sizeof(GLenum)+sizeof(program)+cbName*sizeof(*name)+16;
CR_GET_BUFFERED_POINTER(pc, packet_length);
WRITE_DATA_AI(int, packet_length);
WRITE_DATA_AI(GLenum, CR_GETUNIFORMLOCATION_EXTEND_OPCODE);
WRITE_DATA_AI(GLuint, program);
crMemcpy(data_ptr, name, cbName*sizeof(*name));
data_ptr += cbName*sizeof(*name);
WRITE_NETWORK_POINTER(0, (void *) return_value);
WRITE_NETWORK_POINTER(8, (void *) writeback);
WRITE_OPCODE(pc, CR_EXTEND_OPCODE);
CR_UNLOCK_PACKER_CONTEXT(pc);
}
static GLfloat
GetVersionString(void)
{
static GLboolean fInitialized = GL_FALSE;
static GLfloat version = 0.;
if (!fInitialized)
{
GLubyte return_value[100];
GetString(GL_VERSION, return_value);
CRASSERT(crStrlen((char *)return_value) < 100);
version = crStrToFloat((char *) return_value);
version = crStateComputeVersion(version);
fInitialized = GL_TRUE;
}
return version;
}
/**
* Send a mesage to the mothership and get a response.
* \return 1 if OK, 0 if error
*/
int crMothershipSendString( CRConnection *conn, char *response_buf, const char *str, ... )
{
va_list args;
static char txt[8092];
va_start(args, str);
vsprintf( txt, str, args );
va_end(args);
crStrcat( txt, "\n" );
crNetSendExact( conn, txt, crStrlen(txt) );
if (response_buf)
{
return crMothershipReadResponse( conn, response_buf );
}
else
{
char devnull[1024];
return crMothershipReadResponse( conn, devnull );
}
}
/**
* Find the index of the given enum value in the SPUOption's list of
* possible enum values.
* Return the enum index, or -1 if not found.
*/
int crSPUGetEnumIndex( const SPUOptions *options, const char *optName, const char *value )
{
const SPUOptions *opt;
const int valueLen = crStrlen(value);
/* first, find the right option */
for (opt = options; opt->option; opt++) {
if (crStrcmp(opt->option, optName) == 0) {
char **values;
int i;
CRASSERT(opt->type == CR_ENUM);
/* break into array of strings */
/* min string should be of form "'enum1', 'enum2', 'enum3', etc" */
values = crStrSplit(opt->min, ",");
/* search the array */
for (i = 0; values[i]; i++) {
/* find leading quote */
const char *e = crStrchr(values[i], '\'');
CRASSERT(e);
if (e) {
/* test for match */
if (crStrncmp(value, e + 1, valueLen) == 0 && e[valueLen + 1] == '\'') {
crFreeStrings(values);
return i;
}
}
}
/* enum value not found! */
crFreeStrings(values);
return -1;
}
}
return -1;
}
static char *
crSDPErrorString( int err )
{
static char buf[512], *temp;
sprintf( buf, "err=%d", err );
#define X(x) crStrcpy(buf,x); break
switch ( err )
{
case WSAECONNREFUSED:
X( "connection refused" );
case WSAECONNRESET:
X( "connection reset" );
default:
FormatMessage( FORMAT_MESSAGE_ALLOCATE_BUFFER |
FORMAT_MESSAGE_FROM_SYSTEM |
FORMAT_MESSAGE_MAX_WIDTH_MASK, NULL, err,
MAKELANGID( LANG_NEUTRAL, SUBLANG_DEFAULT ),
(LPTSTR) &temp, 0, NULL );
if ( temp )
{
crStrncpy( buf, temp, sizeof(buf)-1 );
buf[sizeof(buf)-1] = 0;
}
}
#undef X
temp = buf + crStrlen(buf) - 1;
while ( temp > buf && isspace( *temp ) )
{
*temp = '\0';
temp--;
}
return buf;
}
static void set_default_visual( RenderSPU *render_spu, const char *response )
{
if (crStrlen(response) > 0) {
if (crStrstr(response, "rgb"))
render_spu->default_visual |= CR_RGB_BIT;
if (crStrstr(response, "alpha"))
render_spu->default_visual |= CR_ALPHA_BIT;
if (crStrstr(response, "z") || crStrstr(response, "depth"))
render_spu->default_visual |= CR_DEPTH_BIT;
if (crStrstr(response, "stencil"))
render_spu->default_visual |= CR_STENCIL_BIT;
if (crStrstr(response, "accum"))
render_spu->default_visual |= CR_ACCUM_BIT;
if (crStrstr(response, "stereo"))
render_spu->default_visual |= CR_STEREO_BIT;
if (crStrstr(response, "multisample"))
render_spu->default_visual |= CR_MULTISAMPLE_BIT;
if (crStrstr(response, "double"))
render_spu->default_visual |= CR_DOUBLE_BIT;
if (crStrstr(response, "pbuffer"))
render_spu->default_visual |= CR_PBUFFER_BIT;
}
}
GLint RENDER_APIENTRY
renderspuCreateContext(const char *dpyName, GLint visBits, GLint shareCtx)
{
ContextInfo *context, *sharedContext = NULL;
VisualInfo *visual;
if (shareCtx > 0) {
sharedContext
= (ContextInfo *) crHashtableSearch(render_spu.contextTable, shareCtx);
}
if (!dpyName || crStrlen(render_spu.display_string)>0)
dpyName = render_spu.display_string;
visual = renderspuFindVisual(dpyName, visBits);
if (!visual)
return -1;
context = (ContextInfo *) crCalloc(sizeof(ContextInfo));
if (!context)
return -1;
context->id = render_spu.context_id;
context->shared = sharedContext;
if (!renderspu_SystemCreateContext(visual, context, sharedContext))
return -1;
crHashtableAdd(render_spu.contextTable, render_spu.context_id, context);
render_spu.context_id++;
/*
crDebug("Render SPU: CreateContext(%s, 0x%x) returning %d",
dpyName, visBits, context->id);
*/
return context->id;
}
DECLEXPORT(void) STATE_APIENTRY
crStateGLSLProgramCacheUniforms(GLuint program, GLsizei maxcbData, GLsizei *cbData, GLvoid *pData)
{
CRGLSLProgram *pProgram = crStateGetProgramObj(program);
GLint maxUniformLen, activeUniforms=0, fakeUniformsCount, i, j;
char *pCurrent = pData;
GLsizei cbWritten;
if (!pProgram)
{
crWarning("Unknown program %d", program);
return;
}
diff_api.GetProgramiv(pProgram->hwid, GL_ACTIVE_UNIFORM_MAX_LENGTH, &maxUniformLen);
diff_api.GetProgramiv(pProgram->hwid, GL_ACTIVE_UNIFORMS, &activeUniforms);
*cbData = 0;
cbWritten = sizeof(GLsizei);
if (cbWritten>maxcbData)
{
crWarning("crStateGLSLProgramCacheUniforms: buffer too small");
return;
}
((GLsizei*)pCurrent)[0] = activeUniforms;
fakeUniformsCount = activeUniforms;
pCurrent += sizeof(GLsizei);
crDebug("crStateGLSLProgramCacheUniforms: %i active uniforms", activeUniforms);
if (activeUniforms>0)
{
/*+8 to make sure our array uniforms with higher indices and [] will fit in as well*/
GLchar *name = (GLchar *) crAlloc(maxUniformLen+8);
GLenum type;
GLint size;
GLsizei cbName;
GLint location;
if (!name)
{
crWarning("crStateGLSLProgramCacheUniforms: no memory");
return;
}
for (i=0; i<activeUniforms; ++i)
{
diff_api.GetActiveUniform(pProgram->hwid, i, maxUniformLen, &cbName, &size, &type, name);
location = diff_api.GetUniformLocation(pProgram->hwid, name);
if (!crStateGLSLProgramCacheOneUniform(location, cbName, name, &pCurrent, &cbWritten, maxcbData))
return;
/* Only one active uniform variable will be reported for a uniform array by glGetActiveUniform,
* so we insert fake elements for other array elements.
*/
if (size!=1)
{
char *pIndexStr = crStrchr(name, '[');
GLint firstIndex=1;
fakeUniformsCount += size;
crDebug("crStateGLSLProgramCacheUniforms: expanding array uniform, size=%i", size);
/*For array uniforms it's valid to query location of 1st element as both uniform and uniform[0].
*The name returned by glGetActiveUniform is driver dependent,
*atleast it's with [0] on win/ati and without [0] on linux/nvidia.
*/
if (!pIndexStr)
{
pIndexStr = name+cbName;
firstIndex=0;
}
else
{
cbName = pIndexStr-name;
if (!crStateGLSLProgramCacheOneUniform(location, cbName, name, &pCurrent, &cbWritten, maxcbData))
return;
}
for (j=firstIndex; j<size; ++j)
{
sprintf(pIndexStr, "[%i]", j);
cbName = crStrlen(name);
location = diff_api.GetUniformLocation(pProgram->hwid, name);
if (!crStateGLSLProgramCacheOneUniform(location, cbName, name, &pCurrent, &cbWritten, maxcbData))
return;
}
}
}
crFree(name);
}
if (fakeUniformsCount!=activeUniforms)
{
((GLsizei*)pData)[0] = fakeUniformsCount;
crDebug("FakeCount %i", fakeUniformsCount);
}
*cbData = cbWritten;
CRASSERT((pCurrent-((char*)pData))==cbWritten);
}
/**
* This function is called by MakeCurrent() and determines whether or
* not a new rendering context should be bound to Chromium or the native
* OpenGL.
* \return GL_FALSE if native OpenGL should be used, or GL_TRUE if Chromium
* should be used.
*/
static GLboolean
stubCheckUseChromium( WindowInfo *window )
{
int x, y;
unsigned int w, h;
/* If the provided window is CHROMIUM, we're clearly intended
* to create a CHROMIUM context.
*/
if (window->type == CHROMIUM)
return GL_TRUE;
if (stub.ignoreFreeglutMenus) {
const char *glutMenuTitle = "freeglut menu";
char title[1000];
GetWindowTitle(window, title);
if (crStrcmp(title, glutMenuTitle) == 0) {
crDebug("GL faker: Ignoring freeglut menu window");
return GL_FALSE;
}
}
/* If the user's specified a window count for Chromium, see if
* this window satisfies that criterium.
*/
stub.matchChromiumWindowCounter++;
if (stub.matchChromiumWindowCount > 0) {
if (stub.matchChromiumWindowCounter != stub.matchChromiumWindowCount) {
crDebug("Using native GL, app window doesn't meet match_window_count");
return GL_FALSE;
}
}
/* If the user's specified a window list to ignore, see if this
* window satisfies that criterium.
*/
if (stub.matchChromiumWindowID) {
GLuint i;
for (i = 0; i <= stub.numIgnoreWindowID; i++) {
if (stub.matchChromiumWindowID[i] == stub.matchChromiumWindowCounter) {
crDebug("Ignore window ID %d, using native GL", stub.matchChromiumWindowID[i]);
return GL_FALSE;
}
}
}
/* If the user's specified a minimum window size for Chromium, see if
* this window satisfies that criterium.
*/
if (stub.minChromiumWindowWidth > 0 &&
stub.minChromiumWindowHeight > 0) {
stubGetWindowGeometry( window, &x, &y, &w, &h );
if (w >= stub.minChromiumWindowWidth &&
h >= stub.minChromiumWindowHeight) {
/* Check for maximum sized window now too */
if (stub.maxChromiumWindowWidth &&
stub.maxChromiumWindowHeight) {
if (w < stub.maxChromiumWindowWidth &&
h < stub.maxChromiumWindowHeight)
return GL_TRUE;
else
return GL_FALSE;
}
return GL_TRUE;
}
crDebug("Using native GL, app window doesn't meet minimum_window_size");
return GL_FALSE;
}
else if (stub.matchWindowTitle) {
/* If the user's specified a window title for Chromium, see if this
* window satisfies that criterium.
*/
GLboolean wildcard = GL_FALSE;
char title[1000];
char *titlePattern;
int len;
/* check for leading '*' wildcard */
if (stub.matchWindowTitle[0] == '*') {
titlePattern = crStrdup( stub.matchWindowTitle + 1 );
wildcard = GL_TRUE;
}
else {
titlePattern = crStrdup( stub.matchWindowTitle );
}
/* check for trailing '*' wildcard */
len = crStrlen(titlePattern);
if (len > 0 && titlePattern[len - 1] == '*') {
titlePattern[len - 1] = '\0'; /* terminate here */
wildcard = GL_TRUE;
}
GetWindowTitle( window, title );
if (title[0]) {
if (wildcard) {
if (crStrstr(title, titlePattern)) {
crFree(titlePattern);
return GL_TRUE;
}
}
else if (crStrcmp(title, titlePattern) == 0) {
crFree(titlePattern);
return GL_TRUE;
}
}
crFree(titlePattern);
crDebug("Using native GL, app window title doesn't match match_window_title string (\"%s\" != \"%s\")", title, stub.matchWindowTitle);
return GL_FALSE;
}
/* Window title and size don't matter */
CRASSERT(stub.minChromiumWindowWidth == 0);
CRASSERT(stub.minChromiumWindowHeight == 0);
CRASSERT(stub.matchWindowTitle == NULL);
/* User hasn't specified a width/height or window title.
* We'll use chromium for this window (and context) if no other is.
*/
return GL_TRUE; /* use Chromium! */
}
