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/*
* Copyright © 2008 Jérôme Glisse
* All Rights Reserved.
*
* 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 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 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 COPYRIGHT HOLDERS, AUTHORS
* AND/OR ITS 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.
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*/
/*
* Authors:
* Jérôme Glisse <glisse@freedesktop.org>
*/
#include <stdio.h>
#include "dri_util.h"
#include "state_tracker/st_public.h"
#include "pipe/p_defines.h"
#include "pipe/p_inlines.h"
#include "amd_buffer.h"
#include "amd_screen.h"
#include "amd_context.h"
#include "radeon_bo.h"
#include "radeon_drm.h"
static const char *amd_get_name(struct pipe_winsys *ws)
{
return "AMD/DRI2";
}
static struct pipe_buffer *amd_buffer_create(struct pipe_winsys *ws,
unsigned alignment,
unsigned usage,
unsigned size)
{
struct amd_pipe_winsys *amd_ws = (struct amd_pipe_winsys *)ws;
struct amd_pipe_buffer *amd_buffer;
uint32_t domain;
amd_buffer = calloc(1, sizeof(*amd_buffer));
if (amd_buffer == NULL) {
return NULL;
}
amd_buffer->base.refcount = 1;
amd_buffer->base.alignment = alignment;
amd_buffer->base.usage = usage;
amd_buffer->base.size = size;
domain = 0;
if (usage & PIPE_BUFFER_USAGE_PIXEL) {
domain |= RADEON_GEM_DOMAIN_VRAM;
}
if (usage & PIPE_BUFFER_USAGE_VERTEX) {
domain |= RADEON_GEM_DOMAIN_GTT;
}
if (usage & PIPE_BUFFER_USAGE_INDEX) {
domain |= RADEON_GEM_DOMAIN_GTT;
}
amd_buffer->bo = radeon_bo_open(amd_ws->amd_screen->bom, 0,
size, alignment, domain, 0);
if (amd_buffer->bo == NULL) {
free(amd_buffer);
}
return &amd_buffer->base;
}
static struct pipe_buffer *amd_buffer_user_create(struct pipe_winsys *ws,
void *ptr,
unsigned bytes)
{
struct amd_pipe_buffer *amd_buffer;
amd_buffer = (struct amd_pipe_buffer*)amd_buffer_create(ws, 0, 0, bytes);
if (amd_buffer == NULL) {
return NULL;
}
radeon_bo_map(amd_buffer->bo, 1);
memcpy(amd_buffer->bo->ptr, ptr, bytes);
radeon_bo_unmap(amd_buffer->bo);
return &amd_buffer->base;
}
static void amd_buffer_del(struct pipe_winsys *ws, struct pipe_buffer *buffer)
{
struct amd_pipe_buffer *amd_buffer = (struct amd_pipe_buffer*)buffer;
radeon_bo_unref(amd_buffer->bo);
free(amd_buffer);
}
static void *amd_buffer_map(struct pipe_winsys *ws,
struct pipe_buffer *buffer,
unsigned flags)
{
struct amd_pipe_buffer *amd_buffer = (struct amd_pipe_buffer*)buffer;
int write = 0;
if (flags & PIPE_BUFFER_USAGE_CPU_WRITE) {
write = 1;
}
if (radeon_bo_map(amd_buffer->bo, write))
return NULL;
return amd_buffer->bo->ptr;
}
static void amd_buffer_unmap(struct pipe_winsys *ws, struct pipe_buffer *buffer)
{
struct amd_pipe_buffer *amd_buffer = (struct amd_pipe_buffer*)buffer;
radeon_bo_unmap(amd_buffer->bo);
}
static void amd_fence_reference(struct pipe_winsys *ws,
struct pipe_fence_handle **ptr,
struct pipe_fence_handle *pfence)
{
}
static int amd_fence_signalled(struct pipe_winsys *ws,
struct pipe_fence_handle *pfence,
unsigned flag)
{
return 1;
}
static int amd_fence_finish(struct pipe_winsys *ws,
struct pipe_fence_handle *pfence,
unsigned flag)
{
return 0;
}
static void amd_flush_frontbuffer(struct pipe_winsys *pipe_winsys,
struct pipe_surface *pipe_surface,
void *context_private)
{
/* TODO: call dri2CopyRegion */
}
struct pipe_winsys *amd_pipe_winsys(struct amd_screen *amd_screen)
{
struct amd_pipe_winsys *amd_ws;
amd_ws = calloc(1, sizeof(struct amd_pipe_winsys));
if (amd_ws == NULL) {
return NULL;
}
amd_ws->amd_screen = amd_screen;
amd_ws->winsys.flush_frontbuffer = amd_flush_frontbuffer;
amd_ws->winsys.buffer_create = amd_buffer_create;
amd_ws->winsys.buffer_destroy = amd_buffer_del;
amd_ws->winsys.user_buffer_create = amd_buffer_user_create;
amd_ws->winsys.buffer_map = amd_buffer_map;
amd_ws->winsys.buffer_unmap = amd_buffer_unmap;
amd_ws->winsys.fence_reference = amd_fence_reference;
amd_ws->winsys.fence_signalled = amd_fence_signalled;
amd_ws->winsys.fence_finish = amd_fence_finish;
amd_ws->winsys.get_name = amd_get_name;
return &amd_ws->winsys;
}
static struct pipe_buffer *amd_buffer_from_handle(struct amd_screen *amd_screen,
uint32_t handle)
{
struct amd_pipe_buffer *amd_buffer;
struct radeon_bo *bo = NULL;
bo = radeon_bo_open(amd_screen->bom, handle, 0, 0, 0, 0);
if (bo == NULL) {
return NULL;
}
amd_buffer = calloc(1, sizeof(struct amd_pipe_buffer));
if (amd_buffer == NULL) {
radeon_bo_unref(bo);
return NULL;
}
amd_buffer->base.refcount = 1;
amd_buffer->base.usage = PIPE_BUFFER_USAGE_PIXEL;
amd_buffer->bo = bo;
return &amd_buffer->base;
}
struct pipe_surface *amd_surface_from_handle(struct amd_context *amd_context,
uint32_t handle,
enum pipe_format format,
int w, int h, int pitch)
{
struct pipe_screen *pipe_screen = amd_context->pipe_screen;
struct pipe_winsys *pipe_winsys = amd_context->pipe_winsys;
struct pipe_texture tmpl;
struct pipe_surface *ps;
struct pipe_texture *pt;
struct pipe_buffer *pb;
pb = amd_buffer_from_handle(amd_context->amd_screen, handle);
if (pb == NULL) {
return NULL;
}
memset(&tmpl, 0, sizeof(tmpl));
tmpl.tex_usage = PIPE_TEXTURE_USAGE_DISPLAY_TARGET;
tmpl.target = PIPE_TEXTURE_2D;
tmpl.width[0] = w;
tmpl.height[0] = h;
tmpl.depth[0] = 1;
tmpl.format = format;
pf_get_block(tmpl.format, &tmpl.block);
tmpl.nblocksx[0] = pf_get_nblocksx(&tmpl.block, w);
tmpl.nblocksy[0] = pf_get_nblocksy(&tmpl.block, h);
pt = pipe_screen->texture_blanket(pipe_screen, &tmpl, &pitch, pb);
if (pt == NULL) {
winsys_buffer_reference(pipe_winsys, &pb, NULL);
}
ps = pipe_screen->get_tex_surface(pipe_screen, pt, 0, 0, 0,
PIPE_BUFFER_USAGE_GPU_WRITE);
return ps;
}
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