/**
* Copy the active vertex's values to the ctx->Current fields.
*/
static void vbo_exec_copy_to_current( struct vbo_exec_context *exec )
{
struct gl_context *ctx = exec->ctx;
struct vbo_context *vbo = vbo_context(ctx);
GLuint i;
for (i = VBO_ATTRIB_POS+1 ; i < VBO_ATTRIB_MAX ; i++) {
if (exec->vtx.attrsz[i]) {
/* Note: the exec->vtx.current[i] pointers point into the
* ctx->Current.Attrib and ctx->Light.Material.Attrib arrays.
*/
GLfloat *current = (GLfloat *)vbo->currval[i].Ptr;
GLfloat tmp[4];
COPY_CLEAN_4V_TYPE_AS_FLOAT(tmp,
exec->vtx.attrsz[i],
exec->vtx.attrptr[i],
exec->vtx.attrtype[i]);
if (exec->vtx.attrtype[i] != vbo->currval[i].Type ||
memcmp(current, tmp, sizeof(tmp)) != 0) {
memcpy(current, tmp, sizeof(tmp));
/* Given that we explicitly state size here, there is no need
* for the COPY_CLEAN above, could just copy 16 bytes and be
* done. The only problem is when Mesa accesses ctx->Current
* directly.
*/
vbo->currval[i].Size = exec->vtx.attrsz[i];
vbo->currval[i]._ElementSize = vbo->currval[i].Size * sizeof(GLfloat);
vbo->currval[i].Type = exec->vtx.attrtype[i];
vbo->currval[i].Integer =
vbo_attrtype_to_integer_flag(exec->vtx.attrtype[i]);
/* This triggers rather too much recalculation of Mesa state
* that doesn't get used (eg light positions).
*/
if (i >= VBO_ATTRIB_MAT_FRONT_AMBIENT &&
i <= VBO_ATTRIB_MAT_BACK_INDEXES)
ctx->NewState |= _NEW_LIGHT;
ctx->NewState |= _NEW_CURRENT_ATTRIB;
}
}
}
/* Colormaterial -- this kindof sucks.
*/
if (ctx->Light.ColorMaterialEnabled &&
exec->vtx.attrsz[VBO_ATTRIB_COLOR0]) {
_mesa_update_color_material(ctx,
ctx->Current.Attrib[VBO_ATTRIB_COLOR0]);
}
}
/**
* Copy the active vertex's values to the ctx->Current fields.
*/
static void vbo_exec_copy_to_current( struct vbo_exec_context *exec )
{
struct gl_context *ctx = exec->ctx;
struct vbo_context *vbo = vbo_context(ctx);
GLbitfield64 enabled = exec->vtx.enabled & (~BITFIELD64_BIT(VBO_ATTRIB_POS));
while (enabled) {
const int i = u_bit_scan64(&enabled);
/* Note: the exec->vtx.current[i] pointers point into the
* ctx->Current.Attrib and ctx->Light.Material.Attrib arrays.
*/
GLfloat *current = (GLfloat *)vbo->currval[i].Ptr;
fi_type tmp[8]; /* space for doubles */
int dmul = exec->vtx.attrtype[i] == GL_DOUBLE ? 2 : 1;
assert(exec->vtx.attrsz[i]);
if (exec->vtx.attrtype[i] == GL_DOUBLE) {
memset(tmp, 0, sizeof(tmp));
memcpy(tmp, exec->vtx.attrptr[i], exec->vtx.attrsz[i] * sizeof(GLfloat));
} else {
COPY_CLEAN_4V_TYPE_AS_UNION(tmp,
exec->vtx.attrsz[i],
exec->vtx.attrptr[i],
exec->vtx.attrtype[i]);
}
if (exec->vtx.attrtype[i] != vbo->currval[i].Type ||
memcmp(current, tmp, 4 * sizeof(GLfloat) * dmul) != 0) {
memcpy(current, tmp, 4 * sizeof(GLfloat) * dmul);
/* Given that we explicitly state size here, there is no need
* for the COPY_CLEAN above, could just copy 16 bytes and be
* done. The only problem is when Mesa accesses ctx->Current
* directly.
*/
/* Size here is in components - not bytes */
vbo->currval[i].Size = exec->vtx.attrsz[i] / dmul;
vbo->currval[i]._ElementSize = vbo->currval[i].Size * sizeof(GLfloat) * dmul;
vbo->currval[i].Type = exec->vtx.attrtype[i];
vbo->currval[i].Integer =
vbo_attrtype_to_integer_flag(exec->vtx.attrtype[i]);
vbo->currval[i].Doubles =
vbo_attrtype_to_double_flag(exec->vtx.attrtype[i]);
/* This triggers rather too much recalculation of Mesa state
* that doesn't get used (eg light positions).
*/
if (i >= VBO_ATTRIB_MAT_FRONT_AMBIENT &&
i <= VBO_ATTRIB_MAT_BACK_INDEXES)
ctx->NewState |= _NEW_LIGHT;
ctx->NewState |= _NEW_CURRENT_ATTRIB;
}
}
/* Colormaterial -- this kindof sucks.
*/
if (ctx->Light.ColorMaterialEnabled &&
exec->vtx.attrsz[VBO_ATTRIB_COLOR0]) {
_mesa_update_color_material(ctx,
ctx->Current.Attrib[VBO_ATTRIB_COLOR0]);
}
}
/**
* After playback, copy everything but the position from the
* last vertex to the saved state
*/
static void
_playback_copy_to_current(struct gl_context *ctx,
const struct vbo_save_vertex_list *node)
{
struct vbo_context *vbo = vbo_context(ctx);
fi_type vertex[VBO_ATTRIB_MAX * 4];
fi_type *data;
GLbitfield64 mask;
GLuint offset;
if (node->current_size == 0)
return;
if (node->current_data) {
data = node->current_data;
}
else {
data = vertex;
if (node->count)
offset = (node->buffer_offset +
(node->count-1) * node->vertex_size * sizeof(GLfloat));
else
offset = node->buffer_offset;
ctx->Driver.GetBufferSubData( ctx, offset,
node->vertex_size * sizeof(GLfloat),
data, node->vertex_store->bufferobj );
data += node->attrsz[0]; /* skip vertex position */
}
mask = node->enabled & (~BITFIELD64_BIT(VBO_ATTRIB_POS));
while (mask) {
const int i = u_bit_scan64(&mask);
fi_type *current = (fi_type *)vbo->currval[i].Ptr;
fi_type tmp[4];
assert(node->attrsz[i]);
COPY_CLEAN_4V_TYPE_AS_UNION(tmp,
node->attrsz[i],
data,
node->attrtype[i]);
if (node->attrtype[i] != vbo->currval[i].Type ||
memcmp(current, tmp, 4 * sizeof(GLfloat)) != 0) {
memcpy(current, tmp, 4 * sizeof(GLfloat));
vbo->currval[i].Size = node->attrsz[i];
vbo->currval[i]._ElementSize = vbo->currval[i].Size * sizeof(GLfloat);
vbo->currval[i].Type = node->attrtype[i];
vbo->currval[i].Integer =
vbo_attrtype_to_integer_flag(node->attrtype[i]);
if (i >= VBO_ATTRIB_FIRST_MATERIAL &&
i <= VBO_ATTRIB_LAST_MATERIAL)
ctx->NewState |= _NEW_LIGHT;
ctx->NewState |= _NEW_CURRENT_ATTRIB;
}
data += node->attrsz[i];
}
/* Colormaterial -- this kindof sucks.
*/
if (ctx->Light.ColorMaterialEnabled) {
_mesa_update_color_material(ctx, ctx->Current.Attrib[VBO_ATTRIB_COLOR0]);
}
/* CurrentExecPrimitive
*/
if (node->prim_count) {
const struct _mesa_prim *prim = &node->prim[node->prim_count - 1];
if (prim->end)
ctx->Driver.CurrentExecPrimitive = PRIM_OUTSIDE_BEGIN_END;
else
ctx->Driver.CurrentExecPrimitive = prim->mode;
}
}
/**
* Treat the vertex storage as a VBO, define vertex arrays pointing
* into it:
*/
static void vbo_bind_vertex_list(struct gl_context *ctx,
const struct vbo_save_vertex_list *node)
{
struct vbo_context *vbo = vbo_context(ctx);
struct vbo_save_context *save = &vbo->save;
struct gl_client_array *arrays = save->arrays;
GLuint buffer_offset = node->buffer_offset;
const GLuint *map;
GLuint attr;
GLubyte node_attrsz[VBO_ATTRIB_MAX]; /* copy of node->attrsz[] */
GLenum node_attrtype[VBO_ATTRIB_MAX]; /* copy of node->attrtype[] */
GLbitfield64 varying_inputs = 0x0;
memcpy(node_attrsz, node->attrsz, sizeof(node->attrsz));
memcpy(node_attrtype, node->attrtype, sizeof(node->attrtype));
/* Install the default (ie Current) attributes first, then overlay
* all active ones.
*/
switch (get_program_mode(ctx)) {
case VP_NONE:
for (attr = 0; attr < VERT_ATTRIB_FF_MAX; attr++) {
save->inputs[attr] = &vbo->currval[VBO_ATTRIB_POS+attr];
}
for (attr = 0; attr < MAT_ATTRIB_MAX; attr++) {
save->inputs[VERT_ATTRIB_GENERIC(attr)] =
&vbo->currval[VBO_ATTRIB_MAT_FRONT_AMBIENT+attr];
}
map = vbo->map_vp_none;
break;
case VP_ARB:
for (attr = 0; attr < VERT_ATTRIB_FF_MAX; attr++) {
save->inputs[attr] = &vbo->currval[VBO_ATTRIB_POS+attr];
}
for (attr = 0; attr < VERT_ATTRIB_GENERIC_MAX; attr++) {
save->inputs[VERT_ATTRIB_GENERIC(attr)] =
&vbo->currval[VBO_ATTRIB_GENERIC0+attr];
}
map = vbo->map_vp_arb;
/* check if VERT_ATTRIB_POS is not read but VERT_BIT_GENERIC0 is read.
* In that case we effectively need to route the data from
* glVertexAttrib(0, val) calls to feed into the GENERIC0 input.
*/
if ((ctx->VertexProgram._Current->Base.InputsRead & VERT_BIT_POS) == 0 &&
(ctx->VertexProgram._Current->Base.InputsRead & VERT_BIT_GENERIC0)) {
save->inputs[VERT_ATTRIB_GENERIC0] = save->inputs[0];
node_attrsz[VERT_ATTRIB_GENERIC0] = node_attrsz[0];
node_attrtype[VERT_ATTRIB_GENERIC0] = node_attrtype[0];
node_attrsz[0] = 0;
}
break;
default:
assert(0);
}
for (attr = 0; attr < VERT_ATTRIB_MAX; attr++) {
const GLuint src = map[attr];
if (node_attrsz[src]) {
/* override the default array set above */
save->inputs[attr] = &arrays[attr];
arrays[attr].Ptr = (const GLubyte *) NULL + buffer_offset;
arrays[attr].Size = node_attrsz[src];
arrays[attr].StrideB = node->vertex_size * sizeof(GLfloat);
arrays[attr].Type = node_attrtype[src];
arrays[attr].Integer =
vbo_attrtype_to_integer_flag(node_attrtype[src]);
arrays[attr].Format = GL_RGBA;
arrays[attr]._ElementSize = arrays[attr].Size * sizeof(GLfloat);
_mesa_reference_buffer_object(ctx,
&arrays[attr].BufferObj,
node->vertex_store->bufferobj);
assert(arrays[attr].BufferObj->Name);
buffer_offset += node_attrsz[src] * sizeof(GLfloat);
varying_inputs |= VERT_BIT(attr);
}
}
_mesa_set_varying_vp_inputs( ctx, varying_inputs );
ctx->NewDriverState |= ctx->DriverFlags.NewArray;
}
/* TODO: populate these as the vertex is defined:
*/
static void
vbo_exec_bind_arrays( struct gl_context *ctx )
{
struct vbo_context *vbo = vbo_context(ctx);
struct vbo_exec_context *exec = &vbo->exec;
struct gl_client_array *arrays = exec->vtx.arrays;
const GLuint *map;
GLuint attr;
GLbitfield64 varying_inputs = 0x0;
/* Install the default (ie Current) attributes first, then overlay
* all active ones.
*/
switch (get_program_mode(exec->ctx)) {
case VP_NONE:
for (attr = 0; attr < VERT_ATTRIB_FF_MAX; attr++) {
exec->vtx.inputs[attr] = &vbo->currval[VBO_ATTRIB_POS+attr];
}
for (attr = 0; attr < MAT_ATTRIB_MAX; attr++) {
ASSERT(VERT_ATTRIB_GENERIC(attr) < Elements(exec->vtx.inputs));
exec->vtx.inputs[VERT_ATTRIB_GENERIC(attr)] =
&vbo->currval[VBO_ATTRIB_MAT_FRONT_AMBIENT+attr];
}
map = vbo->map_vp_none;
break;
case VP_ARB:
for (attr = 0; attr < VERT_ATTRIB_FF_MAX; attr++) {
exec->vtx.inputs[attr] = &vbo->currval[VBO_ATTRIB_POS+attr];
}
for (attr = 0; attr < VERT_ATTRIB_GENERIC_MAX; attr++) {
ASSERT(VERT_ATTRIB_GENERIC(attr) < Elements(exec->vtx.inputs));
exec->vtx.inputs[VERT_ATTRIB_GENERIC(attr)] =
&vbo->currval[VBO_ATTRIB_GENERIC0+attr];
}
map = vbo->map_vp_arb;
/* check if VERT_ATTRIB_POS is not read but VERT_BIT_GENERIC0 is read.
* In that case we effectively need to route the data from
* glVertexAttrib(0, val) calls to feed into the GENERIC0 input.
*/
if ((ctx->VertexProgram._Current->Base.InputsRead & VERT_BIT_POS) == 0 &&
(ctx->VertexProgram._Current->Base.InputsRead & VERT_BIT_GENERIC0)) {
exec->vtx.inputs[VERT_ATTRIB_GENERIC0] = exec->vtx.inputs[0];
exec->vtx.attrsz[VERT_ATTRIB_GENERIC0] = exec->vtx.attrsz[0];
exec->vtx.attrptr[VERT_ATTRIB_GENERIC0] = exec->vtx.attrptr[0];
exec->vtx.attrsz[0] = 0;
}
break;
default:
assert(0);
}
for (attr = 0; attr < VERT_ATTRIB_MAX ; attr++) {
const GLuint src = map[attr];
if (exec->vtx.attrsz[src]) {
GLsizeiptr offset = (GLbyte *)exec->vtx.attrptr[src] -
(GLbyte *)exec->vtx.vertex;
/* override the default array set above */
ASSERT(attr < Elements(exec->vtx.inputs));
ASSERT(attr < Elements(exec->vtx.arrays)); /* arrays[] */
exec->vtx.inputs[attr] = &arrays[attr];
if (_mesa_is_bufferobj(exec->vtx.bufferobj)) {
/* a real buffer obj: Ptr is an offset, not a pointer*/
assert(exec->vtx.bufferobj->Mappings[MAP_INTERNAL].Pointer);
assert(offset >= 0);
arrays[attr].Ptr = (GLubyte *)
exec->vtx.bufferobj->Mappings[MAP_INTERNAL].Offset + offset;
}
else {
/* Ptr into ordinary app memory */
arrays[attr].Ptr = (GLubyte *)exec->vtx.buffer_map + offset;
}
arrays[attr].Size = exec->vtx.attrsz[src];
arrays[attr].StrideB = exec->vtx.vertex_size * sizeof(GLfloat);
arrays[attr].Stride = exec->vtx.vertex_size * sizeof(GLfloat);
arrays[attr].Type = exec->vtx.attrtype[src];
arrays[attr].Integer =
vbo_attrtype_to_integer_flag(exec->vtx.attrtype[src]);
arrays[attr].Format = GL_RGBA;
arrays[attr].Enabled = 1;
arrays[attr]._ElementSize = arrays[attr].Size * sizeof(GLfloat);
_mesa_reference_buffer_object(ctx,
&arrays[attr].BufferObj,
exec->vtx.bufferobj);
varying_inputs |= VERT_BIT(attr);
}
}
_mesa_set_varying_vp_inputs( ctx, varying_inputs );
ctx->NewDriverState |= ctx->DriverFlags.NewArray;
}
