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#include <stdio.h>
#include "util/u_inlines.h"
#include "util/u_format.h"
#include "util/u_memory.h"
#include "util/u_upload_mgr.h"
#include "r300_screen_buffer.h"
#include "r300_winsys.h"
int r300_upload_index_buffer(struct r300_context *r300,
struct pipe_buffer **index_buffer,
unsigned index_size,
unsigned start,
unsigned count)
{
struct pipe_buffer *upload_buffer = NULL;
unsigned index_offset = start * index_size;
int ret = 0;
if (r300_buffer_is_user_buffer(*index_buffer)) {
ret = u_upload_buffer(r300->upload_ib,
index_offset,
count * index_size,
*index_buffer,
&index_offset,
&upload_buffer);
if (ret) {
goto done;
}
*index_buffer = upload_buffer;
}
done:
// if (upload_buffer)
// pipe_buffer_reference(&upload_buffer, NULL);
return ret;
}
int r300_upload_user_buffers(struct r300_context *r300)
{
enum pipe_error ret = PIPE_OK;
int i, nr;
nr = r300->vertex_buffer_count;
for (i = 0; i < nr; i++) {
if (r300_buffer_is_user_buffer(r300->vertex_buffer[i].buffer)) {
struct pipe_buffer *upload_buffer = NULL;
unsigned offset = 0;
unsigned size = r300->vertex_buffer[i].buffer->size;
unsigned upload_offset;
ret = u_upload_buffer(r300->upload_vb,
offset, size,
r300->vertex_buffer[i].buffer,
&upload_offset, &upload_buffer);
if (ret)
return ret;
pipe_buffer_reference(&r300->vertex_buffer[i].buffer, NULL);
r300->vertex_buffer[i].buffer = upload_buffer;
r300->vertex_buffer[i].buffer_offset = upload_offset;
}
}
return ret;
}
static struct r300_winsys_buffer *
r300_winsys_buffer_create(struct r300_screen *r300screen,
unsigned alignment,
unsigned usage,
unsigned size)
{
struct r300_winsys_screen *rws = r300screen->rws;
struct r300_winsys_buffer *buf;
buf = rws->buffer_create(rws, alignment, usage, size);
return buf;
}
static void r300_winsys_buffer_destroy(struct r300_screen *r300screen,
struct r300_buffer *rbuf)
{
struct r300_winsys_screen *rws = r300screen->rws;
if (rbuf->buf) {
rws->buffer_destroy(rbuf->buf);
rbuf->buf = NULL;
}
}
static struct pipe_buffer *r300_buffer_create(struct pipe_screen *screen,
unsigned alignment,
unsigned usage,
unsigned size)
{
struct r300_screen *r300screen = r300_screen(screen);
struct r300_buffer *rbuf;
rbuf = CALLOC_STRUCT(r300_buffer);
if (!rbuf)
goto error1;
rbuf->magic = R300_BUFFER_MAGIC;
pipe_reference_init(&rbuf->base.reference, 1);
rbuf->base.screen = screen;
rbuf->base.alignment = alignment;
rbuf->base.usage = usage;
rbuf->base.size = size;
rbuf->buf = r300_winsys_buffer_create(r300screen,
alignment,
usage,
size);
if (!rbuf->buf)
goto error2;
return &rbuf->base;
error2:
FREE(rbuf);
error1:
return NULL;
}
static struct pipe_buffer *r300_user_buffer_create(struct pipe_screen *screen,
void *ptr,
unsigned bytes)
{
struct r300_buffer *rbuf;
rbuf = CALLOC_STRUCT(r300_buffer);
if (!rbuf)
goto no_rbuf;
rbuf->magic = R300_BUFFER_MAGIC;
pipe_reference_init(&rbuf->base.reference, 1);
rbuf->base.screen = screen;
rbuf->base.alignment = 1;
rbuf->base.usage = 0;
rbuf->base.size = bytes;
rbuf->user_buffer = ptr;
return &rbuf->base;
no_rbuf:
return NULL;
}
static void r300_buffer_destroy(struct pipe_buffer *buf)
{
struct r300_screen *r300screen = r300_screen(buf->screen);
struct r300_buffer *rbuf = r300_buffer(buf);
r300_winsys_buffer_destroy(r300screen, rbuf);
FREE(rbuf);
}
static void *
r300_buffer_map_range(struct pipe_screen *screen,
struct pipe_buffer *buf,
unsigned offset, unsigned length,
unsigned usage )
{
struct r300_screen *r300screen = r300_screen(screen);
struct r300_winsys_screen *rws = r300screen->rws;
struct r300_buffer *rbuf = r300_buffer(buf);
void *map;
if (rbuf->user_buffer)
return rbuf->user_buffer;
map = rws->buffer_map(rws, rbuf->buf, usage);
return map;
}
static void *
r300_buffer_map(struct pipe_screen *screen,
struct pipe_buffer *buf,
unsigned usage)
{
struct r300_screen *r300screen = r300_screen(screen);
struct r300_winsys_screen *rws = r300screen->rws;
struct r300_buffer *rbuf = r300_buffer(buf);
void *map;
if (rbuf->user_buffer)
return rbuf->user_buffer;
map = rws->buffer_map(rws, rbuf->buf, usage);
return map;
}
static void
r300_buffer_unmap(struct pipe_screen *screen,
struct pipe_buffer *buf)
{
struct r300_screen *r300screen = r300_screen(screen);
struct r300_winsys_screen *rws = r300screen->rws;
struct r300_buffer *rbuf = r300_buffer(buf);
if (rbuf->buf)
rws->buffer_unmap(rws, rbuf->buf);
}
void r300_screen_init_buffer_functions(struct r300_screen *r300screen)
{
r300screen->screen.buffer_create = r300_buffer_create;
r300screen->screen.user_buffer_create = r300_user_buffer_create;
r300screen->screen.buffer_map = r300_buffer_map;
r300screen->screen.buffer_map_range = r300_buffer_map_range;
// r300screen->screen.buffer_flush_mapped_range = r300_buffer_flush_mapped_range;
r300screen->screen.buffer_unmap = r300_buffer_unmap;
r300screen->screen.buffer_destroy = r300_buffer_destroy;
}
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