static void
vbo_bind_vertices(struct gl_context *ctx, const struct gl_client_array **arrays,
int base, unsigned min_index, unsigned max_index, int *pdelta)
{
struct nouveau_render_state *render = to_render_state(ctx);
struct nouveau_pushbuf *push = context_push(ctx);
struct nouveau_bo *bo[NUM_VERTEX_ATTRS];
unsigned offset[NUM_VERTEX_ATTRS];
GLboolean dirty = GL_FALSE;
int i, j, attr;
RENDER_LOCALS(ctx);
*pdelta = -1;
FOR_EACH_BOUND_ATTR(render, i, attr) {
const struct gl_client_array *array = arrays[attr];
struct gl_buffer_object *obj = array->BufferObj;
struct nouveau_array *a = &render->attrs[attr];
unsigned delta = (base + min_index) * array->StrideB;
bo[i] = NULL;
if (nouveau_bufferobj_hw(obj)) {
/* Array in a buffer obj. */
nouveau_bo_ref(to_nouveau_bufferobj(obj)->bo, &bo[i]);
offset[i] = delta + (intptr_t)array->Ptr;
} else {
int n = max_index - min_index + 1;
char *sp = (char *)ADD_POINTERS(
nouveau_bufferobj_sys(obj), array->Ptr) + delta;
char *dp = nouveau_get_scratch(ctx, n * a->stride,
&bo[i], &offset[i]);
/* Array in client memory, move it to a
* scratch buffer obj. */
for (j = 0; j < n; j++)
memcpy(dp + j * a->stride,
sp + j * array->StrideB,
a->stride);
}
dirty |= check_update_array(a, offset[i], bo[i], pdelta);
}
*pdelta -= min_index;
if (dirty) {
/* Buffers changed, update the attribute binding. */
FOR_EACH_BOUND_ATTR(render, i, attr) {
struct nouveau_array *a = &render->attrs[attr];
nouveau_bo_ref(NULL, &a->bo);
a->offset = offset[i];
a->bo = bo[i];
}
TAG(render_release_vertices)(ctx);
TAG(render_bind_vertices)(ctx);
} else {
static GLboolean
nouveau_bufferobj_data(struct gl_context *ctx, GLenum target, GLsizeiptrARB size,
const GLvoid *data, GLenum usage,
struct gl_buffer_object *obj)
{
struct nouveau_bufferobj *nbo = to_nouveau_bufferobj(obj);
int ret;
obj->Size = size;
obj->Usage = usage;
/* Free previous storage */
nouveau_bo_ref(NULL, &nbo->bo);
FREE(nbo->sys);
if (target == GL_ELEMENT_ARRAY_BUFFER_ARB ||
(size < 512 && usage == GL_DYNAMIC_DRAW_ARB) ||
context_chipset(ctx) < 0x10) {
/* Heuristic: keep it in system ram */
nbo->sys = MALLOC(size);
} else {
/* Get a hardware BO */
ret = nouveau_bo_new(context_dev(ctx),
NOUVEAU_BO_GART | NOUVEAU_BO_MAP, 0,
size, &nbo->bo);
assert(!ret);
}
if (data)
memcpy(get_bufferobj_map(obj, NOUVEAU_BO_WR), data, size);
return GL_TRUE;
}
static GLboolean
nouveau_bufferobj_data(GLcontext *ctx, GLenum target, GLsizeiptrARB size,
const GLvoid *data, GLenum usage,
struct gl_buffer_object *obj)
{
struct nouveau_bufferobj *nbo = to_nouveau_bufferobj(obj);
int ret;
obj->Size = size;
obj->Usage = usage;
nouveau_bo_ref(NULL, &nbo->bo);
ret = nouveau_bo_new(context_dev(ctx),
NOUVEAU_BO_GART | NOUVEAU_BO_MAP, 0,
size, &nbo->bo);
assert(!ret);
if (data) {
nouveau_bo_map(nbo->bo, NOUVEAU_BO_WR);
memcpy(nbo->bo->map, data, size);
nouveau_bo_unmap(nbo->bo);
}
return GL_TRUE;
}
static void *
nouveau_bufferobj_map_range(GLcontext *ctx, GLenum target, GLintptr offset,
GLsizeiptr length, GLenum access,
struct gl_buffer_object *obj)
{
struct nouveau_bufferobj *nbo = to_nouveau_bufferobj(obj);
uint32_t flags = 0;
assert(!obj->Pointer);
if (!nbo->bo)
return NULL;
if (access == GL_READ_ONLY_ARB ||
access == GL_READ_WRITE_ARB)
flags |= NOUVEAU_BO_RD;
if (access == GL_WRITE_ONLY_ARB ||
access == GL_READ_WRITE_ARB)
flags |= NOUVEAU_BO_WR;
nouveau_bo_map_range(nbo->bo, offset, length, flags);
obj->Pointer = nbo->bo->map;
obj->Offset = offset;
obj->Length = length;
obj->AccessFlags = access;
return obj->Pointer;
}
static void
nouveau_bufferobj_del(GLcontext *ctx, struct gl_buffer_object *obj)
{
struct nouveau_bufferobj *nbo = to_nouveau_bufferobj(obj);
nouveau_bo_ref(NULL, &nbo->bo);
FREE(nbo);
}
static void
nouveau_bufferobj_get_subdata(GLcontext *ctx, GLenum target, GLintptrARB offset,
GLsizeiptrARB size, GLvoid *data,
struct gl_buffer_object *obj)
{
struct nouveau_bufferobj *nbo = to_nouveau_bufferobj(obj);
nouveau_bo_map(nbo->bo, NOUVEAU_BO_RD);
memcpy(data, nbo->bo->map + offset, size);
nouveau_bo_unmap(nbo->bo);
}
static inline char *
get_bufferobj_map(struct gl_buffer_object *obj, unsigned flags)
{
struct nouveau_bufferobj *nbo = to_nouveau_bufferobj(obj);
void *map = NULL;
if (nbo->sys) {
map = nbo->sys;
} else if (nbo->bo) {
nouveau_bo_map(nbo->bo, flags);
map = nbo->bo->map;
nouveau_bo_unmap(nbo->bo);
}
return map;
}
static GLboolean
nouveau_bufferobj_unmap(GLcontext *ctx, GLenum target, struct gl_buffer_object *obj)
{
struct nouveau_bufferobj *nbo = to_nouveau_bufferobj(obj);
assert(obj->Pointer);
nouveau_bo_unmap(nbo->bo);
obj->Pointer = NULL;
obj->Offset = 0;
obj->Length = 0;
obj->AccessFlags = 0;
return GL_TRUE;
}
void
nouveau_init_array(struct nouveau_array *a, int attr, int stride,
int fields, int type, struct gl_buffer_object *obj,
const void *ptr, GLboolean map)
{
a->attr = attr;
a->stride = stride;
a->fields = fields;
a->type = type;
a->buf = NULL;
if (obj) {
if (nouveau_bufferobj_hw(obj)) {
struct nouveau_bufferobj *nbo =
to_nouveau_bufferobj(obj);
nouveau_bo_ref(nbo->bo, &a->bo);
a->offset = (intptr_t)ptr;
if (map) {
nouveau_bo_map(a->bo, NOUVEAU_BO_RD);
a->buf = a->bo->map + a->offset;
}
} else {
nouveau_bo_ref(NULL, &a->bo);
a->offset = 0;
if (map)
a->buf = ADD_POINTERS(
nouveau_bufferobj_sys(obj), ptr);
}
}
if (a->buf)
get_array_extract(a, &a->extract_u, &a->extract_f);
}
