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/*
* Copyright © 2009 Corbin Simpson
* 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:
* Corbin Simpson <MostAwesomeDude@gmail.com>
*/
#include "radeon_drm.h"
/* Create a pipe_screen. */
struct pipe_screen* radeon_create_screen(int drmFB, int pciID)
{
struct radeon_context* radeon = CALLOC_STRUCT(radeon_context);
struct pipe_winsys* winsys = radeon_pipe_winsys(radeon);
if (getenv("RADEON_SOFTPIPE")) {
return softpipe_create_screen(winsys);
} else {
struct r300_winsys* r300 = radeon_create_r300_winsys(drmFB, winsys);
FREE(winsys);
return r300_create_screen(r300);
}
}
/* Create a pipe_context. */
struct pipe_context* radeon_create_context(struct pipe_screen* screen)
{
if (getenv("RADEON_SOFTPIPE")) {
return radeon_create_softpipe(screen->winsys);
} else {
return r300_create_context(screen, screen->winsys);
}
}
boolean radeon_buffer_from_texture(struct pipe_texture* texture,
struct pipe_buffer** buffer,
unsigned* stride)
{
return FALSE;
}
/* Create a buffer from a handle. */
/* XXX what's up with name? */
struct pipe_buffer* radeon_buffer_from_handle(struct pipe_screen* screen,
const char* name,
unsigned handle)
{
struct radeon_bo_manager* bom =
((struct radeon_winsys*)screen->winsys)->bom;
struct radeon_pipe_buffer* radeon_buffer;
struct radeon_bo* bo = NULL;
bo = radeon_bo_open(bom, handle, 0, 0, 0, 0);
if (bo == NULL) {
return NULL;
}
radeon_buffer = CALLOC_STRUCT(radeon_pipe_buffer);
if (radeon_buffer == NULL) {
radeon_bo_unref(bo);
return NULL;
}
radeon_buffer->base.refcount = 1;
radeon_buffer->base.usage = PIPE_BUFFER_USAGE_PIXEL;
radeon_buffer->bo = bo;
return &radeon_buffer->base;
}
boolean radeon_handle_from_buffer(struct pipe_screen* screen,
struct pipe_buffer* buffer,
unsigned* handle)
{
struct radeon_pipe_buffer* radeon_buffer =
(struct radeon_pipe_buffer*)buffer;
*handle = radeon_buffer->bo->handle;
return TRUE;
}
boolean radeon_global_handle_from_buffer(struct pipe_screen* screen,
struct pipe_buffer* buffer,
unsigned* handle)
{
/* XXX WTF is the difference here? global? */
struct radeon_pipe_buffer* radeon_buffer =
(struct radeon_pipe_buffer*)buffer;
*handle = radeon_buffer->bo->handle;
return TRUE;
}
struct drm_api drm_api_hooks = {
.create_screen = radeon_create_screen,
.create_context = radeon_create_context,
/* XXX fix this */
.buffer_from_texture = r300_get_texture_buffer,
.buffer_from_handle = radeon_buffer_from_handle,
.handle_from_buffer = radeon_handle_from_buffer,
.global_handle_from_buffer = radeon_global_handle_from_buffer,
};
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