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/*
* Copyright 2010 Jerome Glisse <glisse@freedesktop.org>
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* on the rights to use, copy, modify, merge, publish, distribute, sub
* license, and/or sell copies of the Software, and to permit persons to whom
* the Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
* THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
* USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* Authors:
* Jerome Glisse
* Corbin Simpson <MostAwesomeDude@gmail.com>
*/
#include <pipe/p_screen.h>
#include <util/u_format.h>
#include <util/u_math.h>
#include <util/u_inlines.h>
#include <util/u_memory.h>
#include "state_tracker/drm_driver.h"
#include <xf86drm.h>
#include "radeon_drm.h"
#include "r600.h"
#include "r600_pipe.h"
extern struct u_resource_vtbl r600_buffer_vtbl;
struct pipe_resource *r600_buffer_create(struct pipe_screen *screen,
const struct pipe_resource *templ)
{
struct r600_resource_buffer *rbuffer;
struct r600_bo *bo;
/* XXX We probably want a different alignment for buffers and textures. */
unsigned alignment = 4096;
rbuffer = CALLOC_STRUCT(r600_resource_buffer);
if (rbuffer == NULL)
return NULL;
rbuffer->magic = R600_BUFFER_MAGIC;
rbuffer->user_buffer = NULL;
rbuffer->r.base.b = *templ;
pipe_reference_init(&rbuffer->r.base.b.reference, 1);
rbuffer->r.base.b.screen = screen;
rbuffer->r.base.vtbl = &r600_buffer_vtbl;
rbuffer->r.size = rbuffer->r.base.b.width0;
rbuffer->r.bo_size = rbuffer->r.size;
rbuffer->uploaded = FALSE;
bo = r600_bo((struct radeon*)screen->winsys, rbuffer->r.base.b.width0, alignment, rbuffer->r.base.b.bind, rbuffer->r.base.b.usage);
if (bo == NULL) {
FREE(rbuffer);
return NULL;
}
rbuffer->r.bo = bo;
return &rbuffer->r.base.b;
}
struct pipe_resource *r600_user_buffer_create(struct pipe_screen *screen,
void *ptr, unsigned bytes,
unsigned bind)
{
struct r600_resource_buffer *rbuffer;
rbuffer = CALLOC_STRUCT(r600_resource_buffer);
if (rbuffer == NULL)
return NULL;
rbuffer->magic = R600_BUFFER_MAGIC;
pipe_reference_init(&rbuffer->r.base.b.reference, 1);
rbuffer->r.base.vtbl = &r600_buffer_vtbl;
rbuffer->r.base.b.screen = screen;
rbuffer->r.base.b.target = PIPE_BUFFER;
rbuffer->r.base.b.format = PIPE_FORMAT_R8_UNORM;
rbuffer->r.base.b.usage = PIPE_USAGE_IMMUTABLE;
rbuffer->r.base.b.bind = bind;
rbuffer->r.base.b.width0 = bytes;
rbuffer->r.base.b.height0 = 1;
rbuffer->r.base.b.depth0 = 1;
rbuffer->r.base.b.array_size = 1;
rbuffer->r.base.b.flags = 0;
rbuffer->r.bo = NULL;
rbuffer->r.bo_size = 0;
rbuffer->user_buffer = ptr;
rbuffer->uploaded = FALSE;
return &rbuffer->r.base.b;
}
static void r600_buffer_destroy(struct pipe_screen *screen,
struct pipe_resource *buf)
{
struct r600_resource_buffer *rbuffer = r600_buffer(buf);
if (rbuffer->r.bo) {
r600_bo_reference((struct radeon*)screen->winsys, &rbuffer->r.bo, NULL);
}
rbuffer->r.bo = NULL;
FREE(rbuffer);
}
static void *r600_buffer_transfer_map(struct pipe_context *pipe,
struct pipe_transfer *transfer)
{
struct r600_resource_buffer *rbuffer = r600_buffer(transfer->resource);
int write = 0;
uint8_t *data;
if (rbuffer->user_buffer)
return (uint8_t*)rbuffer->user_buffer + transfer->box.x;
if (transfer->usage & PIPE_TRANSFER_DONTBLOCK) {
/* FIXME */
}
if (transfer->usage & PIPE_TRANSFER_WRITE) {
write = 1;
}
data = r600_bo_map((struct radeon*)pipe->winsys, rbuffer->r.bo, transfer->usage, pipe);
if (!data)
return NULL;
return (uint8_t*)data + transfer->box.x;
}
static void r600_buffer_transfer_unmap(struct pipe_context *pipe,
struct pipe_transfer *transfer)
{
struct r600_resource_buffer *rbuffer = r600_buffer(transfer->resource);
if (rbuffer->user_buffer)
return;
if (rbuffer->r.bo)
r600_bo_unmap((struct radeon*)pipe->winsys, rbuffer->r.bo);
}
static void r600_buffer_transfer_flush_region(struct pipe_context *pipe,
struct pipe_transfer *transfer,
const struct pipe_box *box)
{
}
unsigned r600_buffer_is_referenced_by_cs(struct pipe_context *context,
struct pipe_resource *buf,
unsigned level, int layer)
{
/* FIXME */
return PIPE_REFERENCED_FOR_READ | PIPE_REFERENCED_FOR_WRITE;
}
struct pipe_resource *r600_buffer_from_handle(struct pipe_screen *screen,
struct winsys_handle *whandle)
{
struct radeon *rw = (struct radeon*)screen->winsys;
struct r600_resource *rbuffer;
struct r600_bo *bo = NULL;
bo = r600_bo_handle(rw, whandle->handle, NULL);
if (bo == NULL) {
return NULL;
}
rbuffer = CALLOC_STRUCT(r600_resource);
if (rbuffer == NULL) {
r600_bo_reference(rw, &bo, NULL);
return NULL;
}
pipe_reference_init(&rbuffer->base.b.reference, 1);
rbuffer->base.b.target = PIPE_BUFFER;
rbuffer->base.b.screen = screen;
rbuffer->base.vtbl = &r600_buffer_vtbl;
rbuffer->bo = bo;
return &rbuffer->base.b;
}
struct u_resource_vtbl r600_buffer_vtbl =
{
u_default_resource_get_handle, /* get_handle */
r600_buffer_destroy, /* resource_destroy */
r600_buffer_is_referenced_by_cs, /* is_buffer_referenced */
u_default_get_transfer, /* get_transfer */
u_default_transfer_destroy, /* transfer_destroy */
r600_buffer_transfer_map, /* transfer_map */
r600_buffer_transfer_flush_region, /* transfer_flush_region */
r600_buffer_transfer_unmap, /* transfer_unmap */
u_default_transfer_inline_write /* transfer_inline_write */
};
int r600_upload_index_buffer(struct r600_pipe_context *rctx, struct r600_drawl *draw)
{
if (r600_buffer_is_user_buffer(draw->index_buffer)) {
struct r600_resource_buffer *rbuffer = r600_buffer(draw->index_buffer);
unsigned upload_offset;
int ret = 0;
ret = r600_upload_buffer(rctx->rupload_vb,
draw->index_buffer_offset,
draw->count * draw->index_size,
rbuffer,
&upload_offset,
&rbuffer->r.bo_size,
&rbuffer->r.bo);
if (ret)
return ret;
rbuffer->uploaded = TRUE;
draw->index_buffer_offset = upload_offset;
}
return 0;
}
int r600_upload_user_buffers(struct r600_pipe_context *rctx)
{
enum pipe_error ret = PIPE_OK;
int i, nr;
nr = rctx->vertex_elements->count;
nr = rctx->nvertex_buffer;
for (i = 0; i < nr; i++) {
struct pipe_vertex_buffer *vb = &rctx->vertex_buffer[i];
if (r600_buffer_is_user_buffer(vb->buffer)) {
struct r600_resource_buffer *rbuffer = r600_buffer(vb->buffer);
unsigned upload_offset;
ret = r600_upload_buffer(rctx->rupload_vb,
0, vb->buffer->width0,
rbuffer,
&upload_offset,
&rbuffer->r.bo_size,
&rbuffer->r.bo);
if (ret)
return ret;
rbuffer->uploaded = TRUE;
vb->buffer_offset = upload_offset;
}
}
return ret;
}
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