void * PACKSPU_APIENTRY
packspu_MapBufferARB( GLenum target, GLenum access )
{
GET_CONTEXT(ctx);
void *buffer;
CRBufferObject *pBufObj;
CRASSERT(GL_TRUE == ctx->clientState->bufferobject.retainBufferData);
buffer = crStateMapBufferARB(target, access);
#ifdef CR_ARB_pixel_buffer_object
if (buffer)
{
pBufObj = crStateGetBoundBufferObject(target, &ctx->clientState->bufferobject);
CRASSERT(pBufObj);
if (pBufObj->bResyncOnRead &&
access != GL_WRITE_ONLY_ARB)
{
/*fetch data from host side*/
packspu_GetHostBufferSubDataARB(target, 0, pBufObj->size, buffer);
}
}
#endif
return buffer;
}
void STATE_APIENTRY
crStateGetBufferPointervARB(GLenum target, GLenum pname, GLvoid **params)
{
CRContext *g = GetCurrentContext();
CRBufferObjectState *b = &g->bufferobject;
CRBufferObject *obj;
FLUSH();
if (g->current.inBeginEnd) {
crStateError(__LINE__, __FILE__, GL_INVALID_OPERATION,
"glGetBufferPointervARB called in begin/end");
return;
}
obj = crStateGetBoundBufferObject(target, b);
if (!obj)
{
crStateError(__LINE__, __FILE__, GL_INVALID_ENUM, "glGetBufferPointervARB(target)");
return;
}
if (pname != GL_BUFFER_MAP_POINTER_ARB) {
crStateError(__LINE__, __FILE__, GL_INVALID_ENUM, "glGetBufferPointervARB(pname)");
return;
}
*params = obj->pointer;
}
void STATE_APIENTRY
crStateBufferSubDataARB(GLenum target, GLintptrARB offset, GLsizeiptrARB size, const GLvoid * data)
{
CRContext *g = GetCurrentContext();
CRBufferObjectState *b = &g->bufferobject;
CRBufferObject *obj;
CRStateBits *sb = GetCurrentBits();
CRBufferObjectBits *bb = &sb->bufferobject;
FLUSH();
if (g->current.inBeginEnd) {
crStateError(__LINE__, __FILE__, GL_INVALID_OPERATION,
"glBufferSubDataARB called in begin/end");
return;
}
obj = crStateGetBoundBufferObject(target, b);
if (!obj)
{
crStateError(__LINE__, __FILE__, GL_INVALID_ENUM, "glBufferSubDataARB(target)");
return;
}
if (obj->id == 0) {
crStateError(__LINE__, __FILE__, GL_INVALID_OPERATION,
"glBufferSubDataARB");
return;
}
if (obj->pointer) {
crStateError(__LINE__, __FILE__, GL_INVALID_OPERATION,
"glBufferSubDataARB(buffer is mapped)");
return;
}
if (size < 0 || offset < 0 || (unsigned int)offset + size > obj->size) {
crStateError(__LINE__, __FILE__, GL_INVALID_OPERATION,
"glBufferSubDataARB(bad offset and/or size)");
return;
}
if (b->retainBufferData && obj->data) {
crMemcpy((char *) obj->data + offset, data, size);
}
DIRTY(bb->dirty, g->neg_bitid);
DIRTY(obj->dirty, g->neg_bitid);
/* grow dirty region */
if (offset + size > obj->dirtyStart + obj->dirtyLength)
obj->dirtyLength = offset + size;
if (offset < obj->dirtyStart)
obj->dirtyStart = offset;
}
GLboolean STATE_APIENTRY
crStateUnmapBufferARB(GLenum target)
{
CRContext *g = GetCurrentContext();
CRBufferObjectState *b = &g->bufferobject;
CRBufferObject *obj;
CRStateBits *sb = GetCurrentBits();
CRBufferObjectBits *bb = &sb->bufferobject;
FLUSH();
if (g->current.inBeginEnd) {
crStateError(__LINE__, __FILE__, GL_INVALID_OPERATION,
"glUnmapBufferARB called in begin/end");
return GL_FALSE;
}
obj = crStateGetBoundBufferObject(target, b);
if (!obj)
{
crStateError(__LINE__, __FILE__, GL_INVALID_ENUM, "glUnmapBufferARB(target)");
return GL_FALSE;
}
if (obj->id == 0) {
crStateError(__LINE__, __FILE__, GL_INVALID_OPERATION, "glUnmapBufferARB");
return GL_FALSE;
}
if (!obj->pointer) {
crStateError(__LINE__, __FILE__, GL_INVALID_OPERATION, "glUnmapBufferARB");
return GL_FALSE;
}
obj->pointer = NULL;
if (obj->access != GL_READ_ONLY_ARB) {
/* the data was most likely modified */
DIRTY(bb->dirty, g->neg_bitid);
DIRTY(obj->dirty, g->neg_bitid);
obj->dirtyStart = 0;
obj->dirtyLength = obj->size;
}
return GL_TRUE;
}
void PACKSPU_APIENTRY packspu_GetBufferSubDataARB( GLenum target, GLintptrARB offset, GLsizeiptrARB size, void * data )
{
GET_CONTEXT(ctx);
#ifdef CR_ARB_pixel_buffer_object
CRBufferObject *pBufObj;
pBufObj = crStateGetBoundBufferObject(target, &ctx->clientState->bufferobject);
if (pBufObj && pBufObj->bResyncOnRead)
{
packspu_GetHostBufferSubDataARB(target, offset, size, data);
return;
}
#endif
crStateGetBufferSubDataARB(target, offset, size, data);
}
void * STATE_APIENTRY
crStateMapBufferARB(GLenum target, GLenum access)
{
CRContext *g = GetCurrentContext();
CRBufferObjectState *b = &g->bufferobject;
CRBufferObject *obj;
FLUSH();
if (g->current.inBeginEnd) {
crStateError(__LINE__, __FILE__, GL_INVALID_OPERATION,
"glMapBufferARB called in begin/end");
return NULL;
}
obj = crStateGetBoundBufferObject(target, b);
if (!obj)
{
crStateError(__LINE__, __FILE__, GL_INVALID_ENUM, "glMapBufferARB(target)");
return NULL;
}
if (obj->id == 0) {
crStateError(__LINE__, __FILE__, GL_INVALID_OPERATION, "glMapBufferARB");
return GL_FALSE;
}
switch (access) {
case GL_READ_ONLY_ARB:
case GL_WRITE_ONLY_ARB:
case GL_READ_WRITE_ARB:
obj->access = access;
break;
default:
crStateError(__LINE__, __FILE__, GL_INVALID_ENUM,
"glMapBufferARB(access)");
return NULL;
}
if (b->retainBufferData && obj->data)
obj->pointer = obj->data;
return obj->pointer;
}
void STATE_APIENTRY
crStateGetBufferSubDataARB(GLenum target, GLintptrARB offset, GLsizeiptrARB size, void * data)
{
CRContext *g = GetCurrentContext();
CRBufferObjectState *b = &g->bufferobject;
CRBufferObject *obj;
FLUSH();
if (g->current.inBeginEnd) {
crStateError(__LINE__, __FILE__, GL_INVALID_OPERATION,
"glGetBufferSubDataARB called in begin/end");
return;
}
obj = crStateGetBoundBufferObject(target, b);
if (!obj)
{
crStateError(__LINE__, __FILE__, GL_INVALID_ENUM, "glGetBufferSubDataARB(target)");
return;
}
if (obj->id == 0) {
crStateError(__LINE__, __FILE__, GL_INVALID_OPERATION,
"glGetBufferSubDataARB");
return;
}
if (obj->pointer) {
crStateError(__LINE__, __FILE__, GL_INVALID_OPERATION,
"glGetBufferSubDataARB(buffer is mapped)");
return;
}
if (size < 0 || offset < 0 || (unsigned int)offset + size > obj->size) {
crStateError(__LINE__, __FILE__, GL_INVALID_OPERATION,
"glGetBufferSubDataARB(bad offset and/or size)");
return;
}
if (b->retainBufferData && obj->data) {
crMemcpy(data, (char *) obj->data + offset, size);
}
}
GLboolean PACKSPU_APIENTRY
packspu_UnmapBufferARB( GLenum target )
{
GET_CONTEXT(ctx);
#if CR_ARB_vertex_buffer_object
CRBufferObject *bufObj;
bufObj = crStateGetBoundBufferObject(target, &ctx->clientState->bufferobject);
/* send new buffer contents to server */
crPackBufferDataARB( target, bufObj->size, bufObj->pointer, bufObj->usage );
#endif
CRASSERT(GL_TRUE == ctx->clientState->bufferobject.retainBufferData);
crStateUnmapBufferARB( target );
return GL_TRUE;
}
void STATE_APIENTRY
crStateGetBufferParameterivARB(GLenum target, GLenum pname, GLint *params)
{
CRContext *g = GetCurrentContext();
CRBufferObjectState *b = &g->bufferobject;
CRBufferObject *obj;
FLUSH();
if (g->current.inBeginEnd) {
crStateError(__LINE__, __FILE__, GL_INVALID_OPERATION,
"glGetBufferParameterivARB called in begin/end");
return;
}
obj = crStateGetBoundBufferObject(target, b);
if (!obj)
{
crStateError(__LINE__, __FILE__, GL_INVALID_ENUM, "glGetBufferParameterivARB(target)");
return;
}
switch (pname) {
case GL_BUFFER_SIZE_ARB:
*params = obj->size;
break;
case GL_BUFFER_USAGE_ARB:
*params = obj->usage;
break;
case GL_BUFFER_ACCESS_ARB:
*params = obj->access;
break;
case GL_BUFFER_MAPPED_ARB:
*params = (obj->pointer != NULL);
break;
default:
crStateError(__LINE__, __FILE__, GL_INVALID_ENUM,
"glGetBufferParameterivARB(pname)");
return;
}
}
void STATE_APIENTRY
crStateBindBufferARB (GLenum target, GLuint buffer)
{
CRContext *g = GetCurrentContext();
CRBufferObjectState *b = &(g->bufferobject);
CRStateBits *sb = GetCurrentBits();
CRBufferObjectBits *bb = &(sb->bufferobject);
CRBufferObject *oldObj, *newObj;
if (g->current.inBeginEnd) {
crStateError(__LINE__, __FILE__, GL_INVALID_OPERATION,
"glBindBufferARB called in begin/end");
return;
}
FLUSH();
oldObj = crStateGetBoundBufferObject(target, b);
if (!oldObj)
{
crStateError(__LINE__, __FILE__, GL_INVALID_ENUM, "glBindBufferARB(target)");
return;
}
if (buffer == 0) {
newObj = b->nullBuffer;
}
else {
newObj = (CRBufferObject *) crHashtableSearch(g->shared->buffersTable, buffer);
if (!newObj) {
CRSTATE_CHECKERR(!crHashtableIsKeyUsed(g->shared->buffersTable, buffer), GL_INVALID_OPERATION, "name is not a buffer object");
newObj = AllocBufferObject(buffer);
CRSTATE_CHECKERR(!newObj, GL_OUT_OF_MEMORY, "glBindBuffer");
#ifndef IN_GUEST
diff_api.GenBuffersARB(1, &newObj->hwid);
if (!newObj->hwid)
{
crWarning("GenBuffersARB failed!");
crFree(newObj);
return;
}
#endif
crHashtableAdd( g->shared->buffersTable, buffer, newObj );
}
CR_STATE_SHAREDOBJ_USAGE_SET(newObj, g);
}
newObj->refCount++;
oldObj->refCount--;
switch (target)
{
case GL_ARRAY_BUFFER_ARB:
b->arrayBuffer = newObj;
DIRTY(bb->dirty, g->neg_bitid);
DIRTY(bb->arrayBinding, g->neg_bitid);
break;
case GL_ELEMENT_ARRAY_BUFFER_ARB:
b->elementsBuffer = newObj;
DIRTY(bb->dirty, g->neg_bitid);
DIRTY(bb->elementsBinding, g->neg_bitid);
break;
#ifdef CR_ARB_pixel_buffer_object
case GL_PIXEL_PACK_BUFFER_ARB:
b->packBuffer = newObj;
DIRTY(bb->dirty, g->neg_bitid);
DIRTY(bb->packBinding, g->neg_bitid);
break;
case GL_PIXEL_UNPACK_BUFFER_ARB:
b->unpackBuffer = newObj;
DIRTY(bb->dirty, g->neg_bitid);
DIRTY(bb->unpackBinding, g->neg_bitid);
break;
#endif
default: /*can't get here*/
CRASSERT(false);
return;
}
if (oldObj->refCount <= 0) {
/*we shouldn't reach this point*/
CRASSERT(false);
crHashtableDelete(g->shared->buffersTable, (unsigned long) oldObj->id, crStateFreeBufferObject);
}
#ifdef IN_GUEST
if (target == GL_PIXEL_PACK_BUFFER_ARB)
{
newObj->bResyncOnRead = GL_TRUE;
}
#endif
}
void STATE_APIENTRY
crStateBufferDataARB(GLenum target, GLsizeiptrARB size, const GLvoid * data, GLenum usage)
{
CRContext *g = GetCurrentContext();
CRBufferObjectState *b = &g->bufferobject;
CRBufferObject *obj;
CRStateBits *sb = GetCurrentBits();
CRBufferObjectBits *bb = &sb->bufferobject;
FLUSH();
if (g->current.inBeginEnd) {
crStateError(__LINE__, __FILE__, GL_INVALID_OPERATION,
"glBufferDataARB called in begin/end");
return;
}
if (size < 0) {
crStateError(__LINE__, __FILE__, GL_INVALID_VALUE,
"glBufferDataARB(size < 0)");
return;
}
switch (usage) {
case GL_STREAM_DRAW_ARB:
case GL_STREAM_READ_ARB:
case GL_STREAM_COPY_ARB:
case GL_STATIC_DRAW_ARB:
case GL_STATIC_READ_ARB:
case GL_STATIC_COPY_ARB:
case GL_DYNAMIC_DRAW_ARB:
case GL_DYNAMIC_READ_ARB:
case GL_DYNAMIC_COPY_ARB:
/* OK */
break;
default:
crStateError(__LINE__, __FILE__, GL_INVALID_ENUM,
"glBufferDataARB(usage)");
return;
}
obj = crStateGetBoundBufferObject(target, b);
if (!obj)
{
crStateError(__LINE__, __FILE__, GL_INVALID_ENUM, "glBufferDataARB(target)");
return;
}
if (obj->id == 0) {
crStateError(__LINE__, __FILE__, GL_INVALID_OPERATION, "glBufferDataARB");
return;
}
if (obj->pointer) {
crStateError(__LINE__, __FILE__, GL_INVALID_OPERATION,
"glBufferDataARB(buffer is mapped)");
return;
}
obj->usage = usage;
obj->size = size;
/* The user of the state tracker should set the retainBufferData field
* during context initialization, if needed.
*/
if (b->retainBufferData) {
if (obj->data) {
crFree(obj->data);
}
obj->data = crAlloc(size);
if (!obj->data) {
crStateError(__LINE__, __FILE__, GL_OUT_OF_MEMORY, "glBufferDataARB");
return;
}
if (data)
crMemcpy(obj->data, data, size);
}
DIRTY(bb->dirty, g->neg_bitid);
DIRTY(obj->dirty, g->neg_bitid);
obj->dirtyStart = 0;
obj->dirtyLength = size;
}