/**
* Called via glArrayElement() and glDrawArrays().
* Issue the glNormal, glVertex, glColor, glVertexAttrib, etc functions
* for all enabled vertex arrays (for elt-th element).
* Note: this may be called during display list construction.
*/
void GLAPIENTRY _ae_loopback_array_elt( GLint elt )
{
GET_CURRENT_CONTEXT(ctx);
const AEcontext *actx = AE_CONTEXT(ctx);
const AEarray *aa;
const AEattrib *at;
if (actx->NewState)
_ae_update_state( ctx );
/* generic attributes */
for (at = actx->attribs; at->func; at++) {
const GLubyte *src = at->array->BufferObj->Data
+ (unsigned long) at->array->Ptr
+ elt * at->array->StrideB;
at->func( at->index, src );
}
/* conventional arrays */
for (aa = actx->arrays; aa->func ; aa++) {
const GLubyte *src = aa->array->BufferObj->Data
+ (unsigned long) aa->array->Ptr
+ elt * aa->array->StrideB;
aa->func( src );
}
}
/**
* Called via glArrayElement() and glDrawArrays().
* Issue the glNormal, glVertex, glColor, glVertexAttrib, etc functions
* for all enabled vertex arrays (for elt-th element).
* Note: this may be called during display list construction.
*/
void GLAPIENTRY _ae_loopback_array_elt( GLint elt )
{
GET_CURRENT_CONTEXT(ctx);
const AEcontext *actx = AE_CONTEXT(ctx);
const AEarray *aa;
const AEattrib *at;
const struct _glapi_table * const disp = GET_DISPATCH();
if (actx->NewState)
_ae_update_state( ctx );
/* generic attributes */
for (at = actx->attribs; at->func; at++) {
const GLubyte *src
= ADD_POINTERS(at->array->BufferObj->Data, at->array->Ptr)
+ elt * at->array->StrideB;
at->func( at->index, src );
}
/* conventional arrays */
for (aa = actx->arrays; aa->offset != -1 ; aa++) {
const GLubyte *src
= ADD_POINTERS(aa->array->BufferObj->Data, aa->array->Ptr)
+ elt * aa->array->StrideB;
CALL_by_offset( disp, (array_func), aa->offset,
((const void *) src) );
}
}
void _ae_map_vbos( GLcontext *ctx )
{
AEcontext *actx = AE_CONTEXT(ctx);
GLuint i;
if (actx->mapped_vbos)
return;
if (actx->NewState)
_ae_update_state(ctx);
for (i = 0; i < actx->nr_vbos; i++)
ctx->Driver.MapBuffer(ctx,
GL_ARRAY_BUFFER_ARB,
GL_DYNAMIC_DRAW_ARB,
actx->vbo[i]);
if (actx->nr_vbos)
actx->mapped_vbos = GL_TRUE;
}
/**
* Before replaying glArrayElements calls we need to map (for reading) any
* VBOs referenced by the enabled vertex arrays.
*/
void
_ae_map_vbos(struct gl_context *ctx)
{
AEcontext *actx = AE_CONTEXT(ctx);
GLuint i;
if (actx->mapped_vbos)
return;
if (actx->NewState)
_ae_update_state(ctx);
for (i = 0; i < actx->nr_vbos; i++)
ctx->Driver.MapBufferRange(ctx, 0,
actx->vbo[i]->Size,
GL_MAP_READ_BIT,
actx->vbo[i]);
if (actx->nr_vbos)
actx->mapped_vbos = GL_TRUE;
}
/**
* Called via glArrayElement() and glDrawArrays().
* Issue the glNormal, glVertex, glColor, glVertexAttrib, etc functions
* for all enabled vertex arrays (for elt-th element).
* Note: this may be called during display list construction.
*/
void GLAPIENTRY _ae_ArrayElement( GLint elt )
{
GET_CURRENT_CONTEXT(ctx);
const AEcontext *actx = AE_CONTEXT(ctx);
const AEarray *aa;
const AEattrib *at;
const struct _glapi_table * const disp = GET_DISPATCH();
GLboolean do_map;
if (actx->NewState) {
assert(!actx->mapped_vbos);
_ae_update_state( ctx );
}
/* Determine if w need to map/unmap VBOs */
do_map = actx->nr_vbos && !actx->mapped_vbos;
if (do_map)
_ae_map_vbos(ctx);
/* emit generic attribute elements */
for (at = actx->attribs; at->func; at++) {
const GLubyte *src
= ADD_POINTERS(at->array->BufferObj->Pointer, at->array->Ptr)
+ elt * at->array->StrideB;
at->func( at->index, src );
}
/* emit conventional arrays elements */
for (aa = actx->arrays; aa->offset != -1 ; aa++) {
const GLubyte *src
= ADD_POINTERS(aa->array->BufferObj->Pointer, aa->array->Ptr)
+ elt * aa->array->StrideB;
CALL_by_offset( disp, (array_func), aa->offset,
((const void *) src) );
}
if (do_map)
_ae_unmap_vbos(ctx);
}