/**
* 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 );
}
}
void _ae_destroy_context( GLcontext *ctx )
{
if ( AE_CONTEXT( ctx ) ) {
FREE( ctx->aelt_context );
ctx->aelt_context = 0;
}
}
GLboolean
_ae_create_context(struct gl_context *ctx)
{
if (ctx->aelt_context)
return GL_TRUE;
/* These _gloffset_* values may not be compile-time constants */
SecondaryColorFuncs[0] = _gloffset_SecondaryColor3bv;
SecondaryColorFuncs[1] = _gloffset_SecondaryColor3ubv;
SecondaryColorFuncs[2] = _gloffset_SecondaryColor3sv;
SecondaryColorFuncs[3] = _gloffset_SecondaryColor3usv;
SecondaryColorFuncs[4] = _gloffset_SecondaryColor3iv;
SecondaryColorFuncs[5] = _gloffset_SecondaryColor3uiv;
SecondaryColorFuncs[6] = _gloffset_SecondaryColor3fvEXT;
SecondaryColorFuncs[7] = _gloffset_SecondaryColor3dv;
FogCoordFuncs[0] = -1;
FogCoordFuncs[1] = -1;
FogCoordFuncs[2] = -1;
FogCoordFuncs[3] = -1;
FogCoordFuncs[4] = -1;
FogCoordFuncs[5] = -1;
FogCoordFuncs[6] = _gloffset_FogCoordfvEXT;
FogCoordFuncs[7] = _gloffset_FogCoorddv;
ctx->aelt_context = calloc(1, sizeof(AEcontext));
if (!ctx->aelt_context)
return GL_FALSE;
AE_CONTEXT(ctx)->NewState = ~0;
return GL_TRUE;
}
void _ae_destroy_context( struct gl_context *ctx )
{
if ( AE_CONTEXT( ctx ) ) {
FREE( ctx->aelt_context );
ctx->aelt_context = NULL;
}
}
/**
* 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) );
}
}
GLboolean _ae_create_context( GLcontext *ctx )
{
if (ctx->aelt_context)
return GL_TRUE;
ctx->aelt_context = MALLOC( sizeof(AEcontext) );
if (!ctx->aelt_context)
return GL_FALSE;
AE_CONTEXT(ctx)->NewState = ~0;
return GL_TRUE;
}
/**
* Unmap VBOs
*/
void
_ae_unmap_vbos(struct gl_context *ctx)
{
AEcontext *actx = AE_CONTEXT(ctx);
GLuint i;
if (!actx->mapped_vbos)
return;
assert (!actx->NewState);
for (i = 0; i < actx->nr_vbos; i++)
ctx->Driver.UnmapBuffer(ctx, actx->vbo[i], MAP_INTERNAL);
actx->mapped_vbos = GL_FALSE;
}
void _ae_unmap_vbos( GLcontext *ctx )
{
AEcontext *actx = AE_CONTEXT(ctx);
GLuint i;
if (!actx->mapped_vbos)
return;
assert (!actx->NewState);
for (i = 0; i < actx->nr_vbos; i++)
ctx->Driver.UnmapBuffer(ctx,
GL_ARRAY_BUFFER_ARB,
actx->vbo[i]);
actx->mapped_vbos = GL_FALSE;
}
/**
* 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 PrimitiveRestart is enabled and the index is the RestartIndex
* then we call PrimitiveRestartNV and return.
*/
if (ctx->Array.PrimitiveRestart && (elt == ctx->Array.RestartIndex)) {
CALL_PrimitiveRestartNV((struct _glapi_table *)disp, ());
return;
}
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;
}
void _ae_invalidate_state( GLcontext *ctx, GLuint new_state )
{
AEcontext *actx = AE_CONTEXT(ctx);
/* Only interested in this subset of mesa state. Need to prune
* this down as both tnl/ and the drivers can raise statechanges
* for arcane reasons in the middle of seemingly atomic operations
* like DrawElements, over which we'd like to keep a known set of
* arrays and vbo's mapped.
*
* Luckily, neither the drivers nor tnl muck with the state that
* concerns us here:
*/
new_state &= _NEW_ARRAY | _NEW_PROGRAM;
if (new_state) {
assert(!actx->mapped_vbos);
actx->NewState |= new_state;
}
}
/**
* 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);
}
void _ae_invalidate_state( GLcontext *ctx, GLuint new_state )
{
AE_CONTEXT(ctx)->NewState |= new_state;
}
/**
* Make a list of per-vertex functions to call for each glArrayElement call.
* These functions access the array data (i.e. glVertex, glColor, glNormal,
* etc).
* Note: this may be called during display list construction.
*/
static void
_ae_update_state(struct gl_context *ctx)
{
AEcontext *actx = AE_CONTEXT(ctx);
AEarray *aa = actx->arrays; /* non-indexed arrays (ex: glNormal) */
AEattrib *at = actx->attribs; /* indexed arrays (ex: glMultiTexCoord) */
GLuint i;
struct gl_vertex_array_object *vao = ctx->Array.VAO;
actx->nr_vbos = 0;
/* conventional vertex arrays */
if (vao->VertexAttrib[VERT_ATTRIB_COLOR_INDEX].Enabled) {
aa->array = &vao->VertexAttrib[VERT_ATTRIB_COLOR_INDEX];
aa->binding = &vao->VertexBinding[aa->array->VertexBinding];
aa->offset = IndexFuncs[TYPE_IDX(aa->array->Type)];
check_vbo(actx, aa->binding->BufferObj);
aa++;
}
if (vao->VertexAttrib[VERT_ATTRIB_EDGEFLAG].Enabled) {
aa->array = &vao->VertexAttrib[VERT_ATTRIB_EDGEFLAG];
aa->binding = &vao->VertexBinding[aa->array->VertexBinding];
aa->offset = _gloffset_EdgeFlagv;
check_vbo(actx, aa->binding->BufferObj);
aa++;
}
if (vao->VertexAttrib[VERT_ATTRIB_NORMAL].Enabled) {
aa->array = &vao->VertexAttrib[VERT_ATTRIB_NORMAL];
aa->binding = &vao->VertexBinding[aa->array->VertexBinding];
aa->offset = NormalFuncs[TYPE_IDX(aa->array->Type)];
check_vbo(actx, aa->binding->BufferObj);
aa++;
}
if (vao->VertexAttrib[VERT_ATTRIB_COLOR0].Enabled) {
aa->array = &vao->VertexAttrib[VERT_ATTRIB_COLOR0];
aa->binding = &vao->VertexBinding[aa->array->VertexBinding];
aa->offset = ColorFuncs[aa->array->Size-3][TYPE_IDX(aa->array->Type)];
check_vbo(actx, aa->binding->BufferObj);
aa++;
}
if (vao->VertexAttrib[VERT_ATTRIB_COLOR1].Enabled) {
aa->array = &vao->VertexAttrib[VERT_ATTRIB_COLOR1];
aa->binding = &vao->VertexBinding[aa->array->VertexBinding];
aa->offset = SecondaryColorFuncs[TYPE_IDX(aa->array->Type)];
check_vbo(actx, aa->binding->BufferObj);
aa++;
}
if (vao->VertexAttrib[VERT_ATTRIB_FOG].Enabled) {
aa->array = &vao->VertexAttrib[VERT_ATTRIB_FOG];
aa->binding = &vao->VertexBinding[aa->array->VertexBinding];
aa->offset = FogCoordFuncs[TYPE_IDX(aa->array->Type)];
check_vbo(actx, aa->binding->BufferObj);
aa++;
}
for (i = 0; i < ctx->Const.MaxTextureCoordUnits; i++) {
struct gl_vertex_attrib_array *attribArray =
&vao->VertexAttrib[VERT_ATTRIB_TEX(i)];
if (attribArray->Enabled) {
/* NOTE: we use generic glVertexAttribNV functions here.
* If we ever remove GL_NV_vertex_program this will have to change.
*/
at->array = attribArray;
at->binding = &vao->VertexBinding[attribArray->VertexBinding];
ASSERT(!at->array->Normalized);
at->func = AttribFuncsNV[at->array->Normalized]
[at->array->Size-1]
[TYPE_IDX(at->array->Type)];
at->index = VERT_ATTRIB_TEX0 + i;
check_vbo(actx, at->binding->BufferObj);
at++;
}
}
/* generic vertex attribute arrays */
for (i = 1; i < VERT_ATTRIB_GENERIC_MAX; i++) { /* skip zero! */
struct gl_vertex_attrib_array *attribArray =
&vao->VertexAttrib[VERT_ATTRIB_GENERIC(i)];
if (attribArray->Enabled) {
GLint intOrNorm;
at->array = attribArray;
at->binding = &vao->VertexBinding[attribArray->VertexBinding];
/* Note: we can't grab the _glapi_Dispatch->VertexAttrib1fvNV
* function pointer here (for float arrays) since the pointer may
* change from one execution of _ae_ArrayElement() to
* the next. Doing so caused UT to break.
*/
if (at->array->Integer)
intOrNorm = 2;
else if (at->array->Normalized)
intOrNorm = 1;
else
intOrNorm = 0;
at->func = AttribFuncsARB[intOrNorm]
[at->array->Size-1]
[TYPE_IDX(at->array->Type)];
at->index = i;
check_vbo(actx, at->binding->BufferObj);
at++;
}
}
/* finally, vertex position */
if (vao->VertexAttrib[VERT_ATTRIB_GENERIC0].Enabled) {
/* Use glVertex(v) instead of glVertexAttrib(0, v) to be sure it's
* issued as the last (provoking) attribute).
*/
aa->array = &vao->VertexAttrib[VERT_ATTRIB_GENERIC0];
aa->binding = &vao->VertexBinding[aa->array->VertexBinding];
assert(aa->array->Size >= 2); /* XXX fix someday? */
aa->offset = VertexFuncs[aa->array->Size-2][TYPE_IDX(aa->array->Type)];
check_vbo(actx, aa->binding->BufferObj);
aa++;
}
else if (vao->VertexAttrib[VERT_ATTRIB_POS].Enabled) {
aa->array = &vao->VertexAttrib[VERT_ATTRIB_POS];
aa->binding = &vao->VertexBinding[aa->array->VertexBinding];
aa->offset = VertexFuncs[aa->array->Size-2][TYPE_IDX(aa->array->Type)];
check_vbo(actx, aa->binding->BufferObj);
aa++;
}
check_vbo(actx, vao->IndexBufferObj);
ASSERT(at - actx->attribs <= VERT_ATTRIB_MAX);
ASSERT(aa - actx->arrays < 32);
at->func = NULL; /* terminate the list */
aa->offset = -1; /* terminate the list */
actx->NewState = 0;
}
/**
* Make a list of per-vertex functions to call for each glArrayElement call.
* These functions access the array data (i.e. glVertex, glColor, glNormal,
* etc).
* Note: this may be called during display list construction.
*/
static void _ae_update_state( GLcontext *ctx )
{
AEcontext *actx = AE_CONTEXT(ctx);
AEarray *aa = actx->arrays;
AEattrib *at = actx->attribs;
GLuint i;
actx->nr_vbos = 0;
/* conventional vertex arrays */
if (ctx->Array.ArrayObj->Index.Enabled) {
aa->array = &ctx->Array.ArrayObj->Index;
aa->offset = IndexFuncs[TYPE_IDX(aa->array->Type)];
check_vbo(actx, aa->array->BufferObj);
aa++;
}
if (ctx->Array.ArrayObj->EdgeFlag.Enabled) {
aa->array = &ctx->Array.ArrayObj->EdgeFlag;
aa->offset = _gloffset_EdgeFlagv;
check_vbo(actx, aa->array->BufferObj);
aa++;
}
if (ctx->Array.ArrayObj->Normal.Enabled) {
aa->array = &ctx->Array.ArrayObj->Normal;
aa->offset = NormalFuncs[TYPE_IDX(aa->array->Type)];
check_vbo(actx, aa->array->BufferObj);
aa++;
}
if (ctx->Array.ArrayObj->Color.Enabled) {
aa->array = &ctx->Array.ArrayObj->Color;
aa->offset = ColorFuncs[aa->array->Size-3][TYPE_IDX(aa->array->Type)];
check_vbo(actx, aa->array->BufferObj);
aa++;
}
if (ctx->Array.ArrayObj->SecondaryColor.Enabled) {
aa->array = &ctx->Array.ArrayObj->SecondaryColor;
aa->offset = SecondaryColorFuncs[TYPE_IDX(aa->array->Type)];
check_vbo(actx, aa->array->BufferObj);
aa++;
}
if (ctx->Array.ArrayObj->FogCoord.Enabled) {
aa->array = &ctx->Array.ArrayObj->FogCoord;
aa->offset = FogCoordFuncs[TYPE_IDX(aa->array->Type)];
check_vbo(actx, aa->array->BufferObj);
aa++;
}
for (i = 0; i < ctx->Const.MaxTextureCoordUnits; i++) {
struct gl_client_array *attribArray = &ctx->Array.ArrayObj->TexCoord[i];
if (attribArray->Enabled) {
/* NOTE: we use generic glVertexAttribNV functions here.
* If we ever remove GL_NV_vertex_program this will have to change.
*/
at->array = attribArray;
ASSERT(!at->array->Normalized);
at->func = AttribFuncsNV[at->array->Normalized]
[at->array->Size-1]
[TYPE_IDX(at->array->Type)];
at->index = VERT_ATTRIB_TEX0 + i;
check_vbo(actx, at->array->BufferObj);
at++;
}
}
/* generic vertex attribute arrays */
for (i = 1; i < VERT_ATTRIB_MAX; i++) { /* skip zero! */
struct gl_client_array *attribArray = &ctx->Array.ArrayObj->VertexAttrib[i];
if (attribArray->Enabled) {
at->array = attribArray;
/* Note: we can't grab the _glapi_Dispatch->VertexAttrib1fvNV
* function pointer here (for float arrays) since the pointer may
* change from one execution of _ae_loopback_array_elt() to
* the next. Doing so caused UT to break.
*/
if (ctx->VertexProgram._Enabled
&& ctx->VertexProgram.Current->IsNVProgram) {
at->func = AttribFuncsNV[at->array->Normalized]
[at->array->Size-1]
[TYPE_IDX(at->array->Type)];
}
else {
at->func = AttribFuncsARB[at->array->Normalized]
[at->array->Size-1]
[TYPE_IDX(at->array->Type)];
}
at->index = i;
check_vbo(actx, at->array->BufferObj);
at++;
}
}
/* finally, vertex position */
if (ctx->Array.ArrayObj->VertexAttrib[0].Enabled) {
/* Use glVertex(v) instead of glVertexAttrib(0, v) to be sure it's
* issued as the last (provoking) attribute).
*/
aa->array = &ctx->Array.ArrayObj->VertexAttrib[0];
assert(aa->array->Size >= 2); /* XXX fix someday? */
aa->offset = VertexFuncs[aa->array->Size-2][TYPE_IDX(aa->array->Type)];
check_vbo(actx, aa->array->BufferObj);
aa++;
}
else if (ctx->Array.ArrayObj->Vertex.Enabled) {
aa->array = &ctx->Array.ArrayObj->Vertex;
aa->offset = VertexFuncs[aa->array->Size-2][TYPE_IDX(aa->array->Type)];
check_vbo(actx, aa->array->BufferObj);
aa++;
}
check_vbo(actx, ctx->Array.ElementArrayBufferObj);
ASSERT(at - actx->attribs <= VERT_ATTRIB_MAX);
ASSERT(aa - actx->arrays < 32);
at->func = NULL; /* terminate the list */
aa->offset = -1; /* terminate the list */
actx->NewState = 0;
}
/**
* Make a list of per-vertex functions to call for each glArrayElement call.
* These functions access the array data (i.e. glVertex, glColor, glNormal,
* etc).
* Note: this may be called during display list construction.
*/
static void _ae_update_state( GLcontext *ctx )
{
AEcontext *actx = AE_CONTEXT(ctx);
AEarray *aa = actx->arrays;
AEattrib *at = actx->attribs;
GLuint i;
/* conventional vertex arrays */
if (ctx->Array.Index.Enabled) {
aa->array = &ctx->Array.Index;
aa->func = IndexFuncs[TYPE_IDX(aa->array->Type)];
aa++;
}
if (ctx->Array.EdgeFlag.Enabled) {
aa->array = &ctx->Array.EdgeFlag;
aa->func = (array_func) EdgeFlagv;
aa++;
}
if (ctx->Array.Normal.Enabled) {
aa->array = &ctx->Array.Normal;
aa->func = NormalFuncs[TYPE_IDX(aa->array->Type)];
aa++;
}
if (ctx->Array.Color.Enabled) {
aa->array = &ctx->Array.Color;
aa->func = ColorFuncs[aa->array->Size-3][TYPE_IDX(aa->array->Type)];
aa++;
}
if (ctx->Array.SecondaryColor.Enabled) {
aa->array = &ctx->Array.SecondaryColor;
aa->func = SecondaryColorFuncs[TYPE_IDX(aa->array->Type)];
aa++;
}
if (ctx->Array.FogCoord.Enabled) {
aa->array = &ctx->Array.FogCoord;
aa->func = FogCoordFuncs[TYPE_IDX(aa->array->Type)];
aa++;
}
for (i = 0; i < ctx->Const.MaxTextureCoordUnits; i++) {
if (ctx->Array.TexCoord[i].Enabled) {
/* NOTE: we use generic glVertexAttrib functions here.
* If we ever de-alias conventional/generic vertex attribs this
* will have to change.
*/
struct gl_client_array *attribArray = &ctx->Array.TexCoord[i];
at->array = attribArray;
at->func = AttribFuncsNV[at->array->Normalized][at->array->Size-1][TYPE_IDX(at->array->Type)];
at->index = VERT_ATTRIB_TEX0 + i;
at++;
}
}
/* generic vertex attribute arrays */
for (i = 1; i < VERT_ATTRIB_MAX; i++) { /* skip zero! */
if (ctx->Array.VertexAttrib[i].Enabled) {
struct gl_client_array *attribArray = &ctx->Array.VertexAttrib[i];
at->array = attribArray;
/* Note: we can't grab the _glapi_Dispatch->VertexAttrib1fvNV
* function pointer here (for float arrays) since the pointer may
* change from one execution of _ae_loopback_array_elt() to
* the next. Doing so caused UT to break.
*/
at->func = AttribFuncsNV[at->array->Normalized][at->array->Size-1][TYPE_IDX(at->array->Type)];
at->index = i;
at++;
}
}
/* finally, vertex position */
if (ctx->Array.VertexAttrib[0].Enabled) {
/* Use glVertex(v) instead of glVertexAttrib(0, v) to be sure it's
* issued as the last (proviking) attribute).
*/
aa->array = &ctx->Array.VertexAttrib[0];
assert(aa->array->Size >= 2); /* XXX fix someday? */
aa->func = VertexFuncs[aa->array->Size-2][TYPE_IDX(aa->array->Type)];
aa++;
}
else if (ctx->Array.Vertex.Enabled) {
aa->array = &ctx->Array.Vertex;
aa->func = VertexFuncs[aa->array->Size-2][TYPE_IDX(aa->array->Type)];
aa++;
}
ASSERT(at - actx->attribs <= VERT_ATTRIB_MAX);
ASSERT(aa - actx->arrays < 32);
at->func = NULL; /* terminate the list */
aa->func = NULL; /* terminate the list */
actx->NewState = 0;
}
/**
* Make a list of per-vertex functions to call for each glArrayElement call.
* These functions access the array data (i.e. glVertex, glColor, glNormal, etc);
*/
static void _ae_update_state( GLcontext *ctx )
{
AEcontext *actx = AE_CONTEXT(ctx);
AEarray *aa = actx->arrays;
AEattrib *at = actx->attribs;
GLuint i;
/* yuck, no generic array to correspond to color index or edge flag */
if (ctx->Array.Index.Enabled) {
aa->array = &ctx->Array.Index;
aa->func = indexfuncs[TYPE_IDX(aa->array->Type)];
aa++;
}
if (ctx->Array.EdgeFlag.Enabled) {
aa->array = &ctx->Array.EdgeFlag;
aa->func = (array_func) glEdgeFlagv;
aa++;
}
/* all other arrays handled here */
for (i = 0; i < VERT_ATTRIB_MAX; i++) {
/* Note: we count down to zero so glVertex (attrib 0) is last!!! */
const GLuint index = VERT_ATTRIB_MAX - i - 1;
struct gl_client_array *attribArray = NULL;
/* Generic arrays take priority over conventional arrays if vertex program
* mode is enabled.
*/
if (ctx->VertexProgram.Enabled
&& ctx->Array.VertexAttrib[index].Enabled) {
if (index == 0) {
/* Special case: use glVertex() for vertex position so
* that it's always executed last.
*/
aa->array = &ctx->Array.VertexAttrib[0];
aa->func = vertexfuncs[aa->array->Size-2][TYPE_IDX(aa->array->Type)];
aa++;
}
else {
attribArray = &ctx->Array.VertexAttrib[index];
}
}
else {
switch (index) {
case VERT_ATTRIB_POS:
if (ctx->Array.Vertex.Enabled) {
aa->array = &ctx->Array.Vertex;
aa->func = vertexfuncs[aa->array->Size-2][TYPE_IDX(aa->array->Type)];
aa++;
}
break;
case VERT_ATTRIB_NORMAL:
if (ctx->Array.Normal.Enabled) {
aa->array = &ctx->Array.Normal;
aa->func = normalfuncs[TYPE_IDX(aa->array->Type)];
aa++;
}
break;
case VERT_ATTRIB_COLOR0:
if (ctx->Array.Color.Enabled) {
aa->array = &ctx->Array.Color;
aa->func = colorfuncs[aa->array->Size-3][TYPE_IDX(aa->array->Type)];
aa++;
}
break;
case VERT_ATTRIB_COLOR1:
if (ctx->Array.SecondaryColor.Enabled) {
aa->array = &ctx->Array.SecondaryColor;
aa->func = secondarycolorfuncs[TYPE_IDX(aa->array->Type)];
aa++;
}
break;
case VERT_ATTRIB_FOG:
if (ctx->Array.FogCoord.Enabled) {
aa->array = &ctx->Array.FogCoord;
aa->func = fogcoordfuncs[TYPE_IDX(aa->array->Type)];
aa++;
}
break;
case VERT_ATTRIB_TEX0:
case VERT_ATTRIB_TEX1:
case VERT_ATTRIB_TEX2:
case VERT_ATTRIB_TEX3:
case VERT_ATTRIB_TEX4:
case VERT_ATTRIB_TEX5:
case VERT_ATTRIB_TEX6:
case VERT_ATTRIB_TEX7:
/* use generic vertex attribs for texcoords */
if (ctx->Array.TexCoord[index - VERT_ATTRIB_TEX0].Enabled) {
attribArray = &ctx->Array.TexCoord[index - VERT_ATTRIB_TEX0];
}
default:
/* nothing */;
}
}
/* Save glVertexAttrib call (may be for glMultiTexCoord) */
if (attribArray) {
at->array = attribArray;
/* Note: we can't grab the _glapi_Dispatch->VertexAttrib1fvNV
* function pointer here (for float arrays) since the pointer may
* change from one execution of _ae_loopback_array_elt() to
* the next. Doing so caused UT to break.
*/
at->func = attribfuncs[at->array->Normalized][at->array->Size-1][TYPE_IDX(at->array->Type)];
at->index = index;
at++;
}
}
ASSERT(at - actx->attribs <= VERT_ATTRIB_MAX);
ASSERT(aa - actx->arrays < 32);
at->func = NULL; /* terminate the list */
aa->func = NULL; /* terminate the list */
actx->NewState = 0;
}
