void
crStateClientSwitch(CRClientBits *cb, CRbitvalue *bitID,
CRContext *fromCtx, CRContext *toCtx)
{
const CRClientState *from = &(fromCtx->client);
const CRClientState *to = &(toCtx->client);
int i;
if (CHECKDIRTY(cb->clientPointer, bitID)) {
/* one or more vertex pointers is dirty */
if (CHECKDIRTY(cb->v, bitID)) {
if (from->array.v.size != to->array.v.size ||
from->array.v.type != to->array.v.type ||
from->array.v.stride != to->array.v.stride ||
from->array.v.buffer != to->array.v.buffer) {
diff_api.VertexPointer(to->array.v.size, to->array.v.type,
to->array.v.stride, to->array.v.p);
FILLDIRTY(cb->v);
FILLDIRTY(cb->clientPointer);
}
CLEARDIRTY2(cb->v, bitID);
}
/* normal */
if (CHECKDIRTY(cb->n, bitID)) {
if (from->array.n.type != to->array.n.type ||
from->array.n.stride != to->array.n.stride ||
from->array.n.buffer != to->array.n.buffer) {
diff_api.NormalPointer(to->array.n.type,
to->array.n.stride, to->array.n.p);
FILLDIRTY(cb->n);
FILLDIRTY(cb->clientPointer);
}
CLEARDIRTY2(cb->n, bitID);
}
/* color */
if (CHECKDIRTY(cb->c, bitID)) {
if (from->array.c.size != to->array.c.size ||
from->array.c.type != to->array.c.type ||
from->array.c.stride != to->array.c.stride ||
from->array.c.buffer != to->array.c.buffer) {
diff_api.ColorPointer(to->array.c.size, to->array.c.type,
to->array.c.stride, to->array.c.p);
FILLDIRTY(cb->c);
FILLDIRTY(cb->clientPointer);
}
CLEARDIRTY2(cb->c, bitID);
}
/* index */
if (CHECKDIRTY(cb->i, bitID)) {
if (from->array.i.type != to->array.i.type ||
from->array.i.stride != to->array.i.stride ||
from->array.i.buffer != to->array.i.buffer) {
diff_api.IndexPointer(to->array.i.type,
to->array.i.stride, to->array.i.p);
FILLDIRTY(cb->i);
FILLDIRTY(cb->clientPointer);
}
CLEARDIRTY2(cb->i, bitID);
}
/* texcoords */
for (i = 0; (unsigned int)i < toCtx->limits.maxTextureUnits; i++) {
if (CHECKDIRTY(cb->t[i], bitID)) {
if (from->array.t[i].size != to->array.t[i].size ||
from->array.t[i].type != to->array.t[i].type ||
from->array.t[i].stride != to->array.t[i].stride ||
from->array.t[i].buffer != to->array.t[i].buffer) {
diff_api.ClientActiveTextureARB(GL_TEXTURE0_ARB + i);
diff_api.TexCoordPointer(to->array.t[i].size, to->array.t[i].type,
to->array.t[i].stride, to->array.t[i].p);
FILLDIRTY(cb->t[i]);
FILLDIRTY(cb->clientPointer);
}
CLEARDIRTY2(cb->t[i], bitID);
}
}
/* edge flag */
if (CHECKDIRTY(cb->e, bitID)) {
if (from->array.e.stride != to->array.e.stride ||
from->array.e.buffer != to->array.e.buffer) {
diff_api.EdgeFlagPointer(to->array.e.stride, to->array.e.p);
FILLDIRTY(cb->e);
FILLDIRTY(cb->clientPointer);
}
CLEARDIRTY2(cb->e, bitID);
}
/* secondary color */
if (CHECKDIRTY(cb->s, bitID)) {
if (from->array.s.size != to->array.s.size ||
from->array.s.type != to->array.s.type ||
from->array.s.stride != to->array.s.stride ||
from->array.s.buffer != to->array.s.buffer) {
diff_api.SecondaryColorPointerEXT(to->array.s.size, to->array.s.type,
to->array.s.stride, to->array.s.p);
FILLDIRTY(cb->s);
FILLDIRTY(cb->clientPointer);
}
CLEARDIRTY2(cb->s, bitID);
}
/* fog coord */
if (CHECKDIRTY(cb->f, bitID)) {
if (from->array.f.type != to->array.f.type ||
from->array.f.stride != to->array.f.stride ||
from->array.f.buffer != to->array.f.buffer) {
diff_api.FogCoordPointerEXT(to->array.f.type,
to->array.f.stride, to->array.f.p);
FILLDIRTY(cb->f);
FILLDIRTY(cb->clientPointer);
}
CLEARDIRTY2(cb->f, bitID);
}
#if defined(CR_NV_vertex_program) || defined(CR_ARB_vertex_program)
/* vertex attributes */
for (i = 0; (unsigned int)i < toCtx->limits.maxVertexProgramAttribs; i++) {
if (CHECKDIRTY(cb->a[i], bitID)) {
if (from->array.a[i].size != to->array.a[i].size ||
from->array.a[i].type != to->array.a[i].type ||
from->array.a[i].stride != to->array.a[i].stride ||
from->array.a[i].normalized != to->array.a[i].normalized ||
from->array.a[i].buffer != to->array.a[i].buffer) {
diff_api.VertexAttribPointerARB(i, to->array.a[i].size,
to->array.a[i].type,
to->array.a[i].normalized,
to->array.a[i].stride,
to->array.a[i].p);
FILLDIRTY(cb->a[i]);
FILLDIRTY(cb->clientPointer);
}
CLEARDIRTY2(cb->a[i], bitID);
}
}
#endif
}
if (CHECKDIRTY(cb->enableClientState, bitID)) {
/* update vertex array enable/disable flags */
glAble able[2];
able[0] = diff_api.Disable;
able[1] = diff_api.Enable;
if (from->array.v.enabled != to->array.v.enabled) {
able[to->array.v.enabled](GL_VERTEX_ARRAY);
FILLDIRTY(cb->enableClientState);
}
if (from->array.n.enabled != to->array.n.enabled) {
able[to->array.n.enabled](GL_NORMAL_ARRAY);
FILLDIRTY(cb->enableClientState);
}
if (from->array.c.enabled != to->array.c.enabled) {
able[to->array.c.enabled](GL_COLOR_ARRAY);
FILLDIRTY(cb->enableClientState);
}
if (from->array.i.enabled != to->array.i.enabled) {
able[to->array.i.enabled](GL_INDEX_ARRAY);
FILLDIRTY(cb->enableClientState);
}
for (i = 0; (unsigned int)i < toCtx->limits.maxTextureUnits; i++) {
if (from->array.t[i].enabled != to->array.t[i].enabled) {
diff_api.ClientActiveTextureARB(GL_TEXTURE0_ARB + i);
able[to->array.t[i].enabled](GL_TEXTURE_COORD_ARRAY);
FILLDIRTY(cb->enableClientState);
}
}
if (from->array.e.enabled != to->array.e.enabled) {
able[to->array.e.enabled](GL_EDGE_FLAG_ARRAY);
FILLDIRTY(cb->enableClientState);
}
if (from->array.s.enabled != to->array.s.enabled) {
able[to->array.s.enabled](GL_SECONDARY_COLOR_ARRAY_EXT);
FILLDIRTY(cb->enableClientState);
}
if (from->array.f.enabled != to->array.f.enabled) {
able[to->array.f.enabled](GL_FOG_COORDINATE_ARRAY_EXT);
FILLDIRTY(cb->enableClientState);
}
for (i = 0; (unsigned int)i < toCtx->limits.maxVertexProgramAttribs; i++) {
if (from->array.a[i].enabled != to->array.a[i].enabled) {
able[to->array.a[i].enabled](GL_VERTEX_ATTRIB_ARRAY0_NV + i);
FILLDIRTY(cb->enableClientState);
}
}
CLEARDIRTY2(cb->enableClientState, bitID);
}
}
static void crStateBufferObjectIntCmp(CRBufferObjectBits *bb, CRbitvalue *bitID,
CRContext *fromCtx, CRContext *toCtx,
GLboolean bSwitch)
{
CRBufferObjectState *from = &(fromCtx->bufferobject);
const CRBufferObjectState *to = &(toCtx->bufferobject);
/* ARRAY_BUFFER */
if (CHECKDIRTY(bb->arrayBinding, bitID))
{
if (from->arrayBuffer != to->arrayBuffer)
{
GLuint bufferID = to->arrayBuffer ? to->arrayBuffer->hwid : 0;
diff_api.BindBufferARB(GL_ARRAY_BUFFER_ARB, bufferID);
if (bSwitch)
{
FILLDIRTY(bb->arrayBinding);
FILLDIRTY(bb->dirty);
}
else
{
CLEARDIRTY2(bb->arrayBinding, bitID);
from->arrayBuffer = to->arrayBuffer;
}
}
if (bSwitch) CLEARDIRTY2(bb->arrayBinding, bitID);
}
if (to->arrayBuffer && CHECKDIRTY(to->arrayBuffer->dirty, bitID))
{
/* update array buffer data */
CRBufferObject *bufObj = to->arrayBuffer;
CRASSERT(bufObj);
if (bufObj->dirtyStart == 0 && bufObj->dirtyLength == (int) bufObj->size)
{
/* update whole buffer */
diff_api.BufferDataARB(GL_ARRAY_BUFFER_ARB, bufObj->size,
bufObj->data, bufObj->usage);
}
else
{
/* update sub buffer */
diff_api.BufferSubDataARB(GL_ARRAY_BUFFER_ARB,
bufObj->dirtyStart, bufObj->dirtyLength,
(char *) bufObj->data + bufObj->dirtyStart);
}
if (bSwitch) FILLDIRTY(bufObj->dirty);
CLEARDIRTY2(bufObj->dirty, bitID);
}
/* ELEMENTS_BUFFER */
if (CHECKDIRTY(bb->elementsBinding, bitID))
{
if (from->elementsBuffer != to->elementsBuffer)
{
GLuint bufferID = to->elementsBuffer ? to->elementsBuffer->hwid : 0;
diff_api.BindBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, bufferID);
if (bSwitch)
{
FILLDIRTY(bb->elementsBinding);
FILLDIRTY(bb->dirty);
}
else
{
CLEARDIRTY2(bb->elementsBinding, bitID);
from->elementsBuffer = to->elementsBuffer;
}
}
if (bSwitch) CLEARDIRTY2(bb->elementsBinding, bitID);
}
if (to->elementsBuffer && CHECKDIRTY(to->elementsBuffer->dirty, bitID))
{
/* update array buffer data */
CRBufferObject *bufObj = to->elementsBuffer;
CRASSERT(bufObj);
if (bufObj->dirtyStart == 0 && bufObj->dirtyLength == (int) bufObj->size)
{
/* update whole buffer */
diff_api.BufferDataARB(GL_ELEMENT_ARRAY_BUFFER_ARB, bufObj->size,
bufObj->data, bufObj->usage);
}
else
{
/* update sub buffer */
diff_api.BufferSubDataARB(GL_ELEMENT_ARRAY_BUFFER_ARB,
bufObj->dirtyStart, bufObj->dirtyLength,
(char *) bufObj->data + bufObj->dirtyStart);
}
if (bSwitch) FILLDIRTY(bufObj->dirty);
CLEARDIRTY2(bufObj->dirty, bitID);
}
#ifdef CR_ARB_pixel_buffer_object
/* PIXEL_PACK_BUFFER */
if (CHECKDIRTY(bb->packBinding, bitID))
{
if (from->packBuffer != to->packBuffer)
{
GLuint bufferID = to->packBuffer ? to->packBuffer->hwid : 0;
diff_api.BindBufferARB(GL_PIXEL_PACK_BUFFER_ARB, bufferID);
if (bSwitch)
{
FILLDIRTY(bb->packBinding);
FILLDIRTY(bb->dirty);
}
else
{
CLEARDIRTY2(bb->packBinding, bitID);
from->packBuffer = to->packBuffer;
}
}
if (bSwitch) CLEARDIRTY2(bb->packBinding, bitID);
}
if (to->packBuffer && CHECKDIRTY(to->packBuffer->dirty, bitID))
{
/* update array buffer data */
CRBufferObject *bufObj = to->packBuffer;
CRASSERT(bufObj);
if (bufObj->dirtyStart == 0 && bufObj->dirtyLength == (int) bufObj->size)
{
/* update whole buffer */
diff_api.BufferDataARB(GL_PIXEL_PACK_BUFFER_ARB, bufObj->size,
bufObj->data, bufObj->usage);
}
else
{
/* update sub buffer */
diff_api.BufferSubDataARB(GL_PIXEL_PACK_BUFFER_ARB,
bufObj->dirtyStart, bufObj->dirtyLength,
(char *) bufObj->data + bufObj->dirtyStart);
}
if (bSwitch) FILLDIRTY(bufObj->dirty);
CLEARDIRTY2(bufObj->dirty, bitID);
}
/* PIXEL_UNPACK_BUFFER */
if (CHECKDIRTY(bb->unpackBinding, bitID))
{
if (from->unpackBuffer != to->unpackBuffer)
{
GLuint bufferID = to->unpackBuffer ? to->unpackBuffer->hwid : 0;
diff_api.BindBufferARB(GL_PIXEL_UNPACK_BUFFER_ARB, bufferID);
if (bSwitch)
{
FILLDIRTY(bb->unpackBinding);
FILLDIRTY(bb->dirty);
}
else
{
CLEARDIRTY2(bb->unpackBinding, bitID);
from->unpackBuffer = to->unpackBuffer;
}
}
if (bSwitch) CLEARDIRTY2(bb->unpackBinding, bitID);
}
if (to->unpackBuffer && CHECKDIRTY(to->unpackBuffer->dirty, bitID))
{
/* update array buffer data */
CRBufferObject *bufObj = to->unpackBuffer;
CRASSERT(bufObj);
if (bufObj->dirtyStart == 0 && bufObj->dirtyLength == (int) bufObj->size)
{
/* update whole buffer */
diff_api.BufferDataARB(GL_PIXEL_UNPACK_BUFFER_ARB, bufObj->size,
bufObj->data, bufObj->usage);
}
else
{
/* update sub buffer */
diff_api.BufferSubDataARB(GL_PIXEL_UNPACK_BUFFER_ARB,
bufObj->dirtyStart, bufObj->dirtyLength,
(char *) bufObj->data + bufObj->dirtyStart);
}
if (bSwitch) FILLDIRTY(bufObj->dirty);
CLEARDIRTY2(bufObj->dirty, bitID);
}
#endif /*ifdef CR_ARB_pixel_buffer_object*/
}