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/*
* Copyright 2008 Corbin Simpson <MostAwesomeDude@gmail.com>
*
* 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. */
#include "radeon_drm_buffer.h"
#include "util/u_memory.h"
#include "pipebuffer/pb_bufmgr.h"
#include "state_tracker/drm_driver.h"
static unsigned get_pb_usage_from_create_flags(unsigned bind, unsigned usage,
enum r300_buffer_domain domain)
{
unsigned res = 0;
if (bind & (PIPE_BIND_DEPTH_STENCIL | PIPE_BIND_RENDER_TARGET |
PIPE_BIND_DISPLAY_TARGET | PIPE_BIND_SCANOUT))
res |= PB_USAGE_GPU_WRITE;
if (bind & PIPE_BIND_SAMPLER_VIEW)
res |= PB_USAGE_GPU_READ | PB_USAGE_GPU_WRITE;
if (bind & (PIPE_BIND_VERTEX_BUFFER | PIPE_BIND_INDEX_BUFFER))
res |= PB_USAGE_GPU_READ;
if (bind & PIPE_BIND_TRANSFER_WRITE)
res |= PB_USAGE_CPU_WRITE;
if (bind & PIPE_BIND_TRANSFER_READ)
res |= PB_USAGE_CPU_READ;
/* Is usage of any use for us? Probably not. */
/* Now add driver-specific usage flags. */
if (bind & (PIPE_BIND_VERTEX_BUFFER | PIPE_BIND_INDEX_BUFFER))
res |= RADEON_PB_USAGE_VERTEX;
if (domain & R300_DOMAIN_GTT)
res |= RADEON_PB_USAGE_DOMAIN_GTT;
if (domain & R300_DOMAIN_VRAM)
res |= RADEON_PB_USAGE_DOMAIN_VRAM;
return res;
}
static struct r300_winsys_buffer *
radeon_r300_winsys_buffer_create(struct r300_winsys_screen *rws,
unsigned size,
unsigned alignment,
unsigned bind,
unsigned usage,
enum r300_buffer_domain domain)
{
struct radeon_drm_winsys *ws = radeon_drm_winsys(rws);
struct pb_desc desc;
struct pb_manager *provider;
struct pb_buffer *buffer;
memset(&desc, 0, sizeof(desc));
desc.alignment = alignment;
desc.usage = get_pb_usage_from_create_flags(bind, usage, domain);
/* Assign a buffer manager. */
if (bind & (PIPE_BIND_VERTEX_BUFFER | PIPE_BIND_INDEX_BUFFER))
provider = ws->cman;
else
provider = ws->kman;
buffer = provider->create_buffer(provider, size, &desc);
if (!buffer)
return NULL;
return (struct r300_winsys_buffer*)buffer;
}
static void radeon_r300_winsys_buffer_reference(struct r300_winsys_screen *rws,
struct r300_winsys_buffer **pdst,
struct r300_winsys_buffer *src)
{
struct pb_buffer *_src = radeon_pb_buffer(src);
struct pb_buffer *_dst = radeon_pb_buffer(*pdst);
pb_reference(&_dst, _src);
*pdst = (struct r300_winsys_buffer*)_dst;
}
static struct r300_winsys_buffer *radeon_r300_winsys_buffer_from_handle(struct r300_winsys_screen *rws,
struct winsys_handle *whandle,
unsigned *stride,
unsigned *size)
{
struct radeon_drm_winsys *ws = radeon_drm_winsys(rws);
struct pb_buffer *_buf;
_buf = radeon_drm_bufmgr_create_buffer_from_handle(ws->kman, whandle->handle);
if (stride)
*stride = whandle->stride;
if (size)
*size = _buf->base.size;
return (struct r300_winsys_buffer*)_buf;
}
static boolean radeon_r300_winsys_buffer_get_handle(struct r300_winsys_screen *rws,
struct r300_winsys_buffer *buffer,
unsigned stride,
struct winsys_handle *whandle)
{
struct pb_buffer *_buf = radeon_pb_buffer(buffer);
whandle->stride = stride;
return radeon_drm_bufmgr_get_handle(_buf, whandle);
}
static uint32_t radeon_get_value(struct r300_winsys_screen *rws,
enum r300_value_id id)
{
struct radeon_drm_winsys *ws = (struct radeon_drm_winsys *)rws;
switch(id) {
case R300_VID_PCI_ID:
return ws->pci_id;
case R300_VID_GB_PIPES:
return ws->gb_pipes;
case R300_VID_Z_PIPES:
return ws->z_pipes;
case R300_VID_SQUARE_TILING_SUPPORT:
return ws->squaretiling;
case R300_VID_DRM_2_3_0:
return ws->drm_2_3_0;
case R300_VID_DRM_2_6_0:
return ws->drm_2_6_0;
case R300_VID_DRM_2_8_0:
return ws->drm_2_8_0;
case R300_CAN_HYPERZ:
return ws->hyperz;
}
return 0;
}
void radeon_winsys_init_functions(struct radeon_drm_winsys *ws)
{
ws->base.get_value = radeon_get_value;
ws->base.buffer_create = radeon_r300_winsys_buffer_create;
ws->base.buffer_reference = radeon_r300_winsys_buffer_reference;
ws->base.buffer_from_handle = radeon_r300_winsys_buffer_from_handle;
ws->base.buffer_get_handle = radeon_r300_winsys_buffer_get_handle;
}
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