/**********************************************************
* Copyright 2009-2011 VMware, Inc. 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, sublicense, 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 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
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* 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:
* Thomas Hellstrom <thellstrom-at-vmware-dot-com>
*/
#include "xa_tracker.h"
#include "xa_priv.h"
#include "pipe/p_state.h"
#include "pipe/p_format.h"
#include "state_tracker/drm_driver.h"
#include "util/u_inlines.h"
/*
* format_map [xa_surface_type][first..last in list].
* Needs to be updated when enum xa_formats is updated.
*/
static const enum xa_formats preferred_a[] = { xa_format_a8 };
static const enum xa_formats preferred_argb[] =
{ xa_format_a8r8g8b8, xa_format_x8r8g8b8, xa_format_r5g6b5,
xa_format_x1r5g5b5
};
static const enum xa_formats preferred_z[] =
{ xa_format_z32, xa_format_z24, xa_format_z16 };
static const enum xa_formats preferred_sz[] =
{ xa_format_x8z24, xa_format_s8z24 };
static const enum xa_formats preferred_zs[] =
{ xa_format_z24x8, xa_format_z24s8 };
static const enum xa_formats preferred_yuv[] = { xa_format_yuv8 };
static const enum xa_formats *preferred[] =
{ NULL, preferred_a, preferred_argb, NULL, NULL,
preferred_z, preferred_zs, preferred_sz, preferred_yuv
};
static const unsigned int num_preferred[] = { 0,
sizeof(preferred_a) / sizeof(enum xa_formats),
sizeof(preferred_argb) / sizeof(enum xa_formats),
0,
0,
sizeof(preferred_z) / sizeof(enum xa_formats),
sizeof(preferred_zs) / sizeof(enum xa_formats),
sizeof(preferred_sz) / sizeof(enum xa_formats),
sizeof(preferred_yuv) / sizeof(enum xa_formats)
};
static const unsigned int stype_bind[XA_LAST_SURFACE_TYPE] = { 0,
PIPE_BIND_SAMPLER_VIEW,
PIPE_BIND_SAMPLER_VIEW,
PIPE_BIND_SAMPLER_VIEW,
PIPE_BIND_SAMPLER_VIEW,
PIPE_BIND_DEPTH_STENCIL,
PIPE_BIND_DEPTH_STENCIL,
PIPE_BIND_DEPTH_STENCIL,
PIPE_BIND_SAMPLER_VIEW
};
static struct xa_format_descriptor
xa_get_pipe_format(enum xa_formats xa_format)
{
struct xa_format_descriptor fdesc;
fdesc.xa_format = xa_format;
switch (xa_format) {
case xa_format_a8r8g8b8:
fdesc.format = PIPE_FORMAT_B8G8R8A8_UNORM;
break;
case xa_format_x8r8g8b8:
fdesc.format = PIPE_FORMAT_B8G8R8X8_UNORM;
break;
case xa_format_r5g6b5:
fdesc.format = PIPE_FORMAT_B5G6R5_UNORM;
break;
case xa_format_x1r5g5b5:
fdesc.format = PIPE_FORMAT_B5G5R5A1_UNORM;
break;
case xa_format_a8:
fdesc.format = PIPE_FORMAT_L8_UNORM;
break;
case xa_format_z24:
fdesc.format = PIPE_FORMAT_Z24X8_UNORM;
break;
case xa_format_z16:
fdesc.format = PIPE_FORMAT_Z16_UNORM;
break;
case xa_format_z32:
fdesc.format = PIPE_FORMAT_Z32_UNORM;
break;
case xa_format_x8z24:
fdesc.format = PIPE_FORMAT_Z24X8_UNORM;
break;
case xa_format_z24x8:
fdesc.format = PIPE_FORMAT_X8Z24_UNORM;
break;
case xa_format_s8z24:
fdesc.format = PIPE_FORMAT_Z24_UNORM_S8_UINT;
break;
case xa_format_z24s8:
fdesc.format = PIPE_FORMAT_S8_UINT_Z24_UNORM;
break;
case xa_format_yuv8:
fdesc.format = PIPE_FORMAT_L8_UNORM;
break;
default:
fdesc.xa_format = xa_format_unknown;
break;
}
return fdesc;
}
XA_EXPORT struct xa_tracker *
xa_tracker_create(int drm_fd)
{
struct xa_tracker *xa = calloc(1, sizeof(struct xa_tracker));
enum xa_surface_type stype;
unsigned int num_formats;
if (!xa)
return NULL;
xa->screen = driver_descriptor.create_screen(drm_fd);
if (!xa->screen)
goto out_no_screen;
xa->default_ctx = xa_context_create(xa);
if (!xa->default_ctx)
goto out_no_pipe;
num_formats = 0;
for (stype = 0; stype < XA_LAST_SURFACE_TYPE; ++stype)
num_formats += num_preferred[stype];
num_formats += 1;
xa->supported_formats = calloc(num_formats, sizeof(*xa->supported_formats));
if (!xa->supported_formats)
goto out_sf_alloc_fail;
xa->supported_formats[0] = xa_format_unknown;
num_formats = 1;
memset(xa->format_map, 0, sizeof(xa->format_map));
for (stype = 0; stype < XA_LAST_SURFACE_TYPE; ++stype) {
unsigned int bind = stype_bind[stype];
enum xa_formats xa_format;
int i;
for (i = 0; i < num_preferred[stype]; ++i) {
xa_format = preferred[stype][i];
struct xa_format_descriptor fdesc = xa_get_pipe_format(xa_format);
if (xa->screen->is_format_supported(xa->screen, fdesc.format,
PIPE_TEXTURE_2D, 0, bind)) {
if (xa->format_map[stype][0] == 0)
xa->format_map[stype][0] = num_formats;
xa->format_map[stype][1] = num_formats;
xa->supported_formats[num_formats++] = xa_format;
}
}
}
return xa;
out_sf_alloc_fail:
xa_context_destroy(xa->default_ctx);
out_no_pipe:
xa->screen->destroy(xa->screen);
out_no_screen:
free(xa);
return NULL;
}
XA_EXPORT void
xa_tracker_destroy(struct xa_tracker *xa)
{
free(xa->supported_formats);
xa_context_destroy(xa->default_ctx);
xa->screen->destroy(xa->screen);
free(xa);
}
static int
xa_flags_compat(unsigned int old_flags, unsigned int new_flags)
{
unsigned int flag_diff = (old_flags ^ new_flags);
if (flag_diff == 0)
return 1;
if (flag_diff & XA_FLAG_SHARED)
return 0;
/*
* Don't recreate if we're dropping the render target flag.
*/
if (flag_diff & XA_FLAG_RENDER_TARGET)
return ((new_flags & XA_FLAG_RENDER_TARGET) == 0);
/*
* Don't recreate if we're dropping the scanout flag.
*/
if (flag_diff & XA_FLAG_SCANOUT)
return ((new_flags & XA_FLAG_SCANOUT) == 0);
/*
* Always recreate for unknown / unimplemented flags.
*/
return 0;
}
static struct xa_format_descriptor
xa_get_format_stype_depth(struct xa_tracker *xa,
enum xa_surface_type stype, unsigned int depth)
{
unsigned int i;
struct xa_format_descriptor fdesc;
int found = 0;
for (i = xa->format_map[stype][0]; i <= xa->format_map[stype][1]; ++i) {
fdesc = xa_get_pipe_format(xa->supported_formats[i]);
if (fdesc.xa_format != xa_format_unknown &&
xa_format_depth(fdesc.xa_format) == depth) {
found = 1;
break;
}
}
if (!found)
fdesc.xa_format = xa_format_unknown;
return fdesc;
}
XA_EXPORT int
xa_format_check_supported(struct xa_tracker *xa,
enum xa_formats xa_format, unsigned int flags)
{
struct xa_format_descriptor fdesc = xa_get_pipe_format(xa_format);
unsigned int bind;
if (fdesc.xa_format == xa_format_unknown)
return -XA_ERR_INVAL;
bind = stype_bind[xa_format_type(fdesc.xa_format)];
if (flags & XA_FLAG_SHARED)
bind |= PIPE_BIND_SHARED;
if (flags & XA_FLAG_RENDER_TARGET)
bind |= PIPE_BIND_RENDER_TARGET;
if (flags & XA_FLAG_SCANOUT)
bind |= PIPE_BIND_SCANOUT;
if (!xa->screen->is_format_supported(xa->screen, fdesc.format,
PIPE_TEXTURE_2D, 0, bind))
return -XA_ERR_INVAL;
return XA_ERR_NONE;
}
XA_EXPORT struct xa_surface *
xa_surface_create(struct xa_tracker *xa,
int width,
int height,
int depth,
enum xa_surface_type stype,
enum xa_formats xa_format, unsigned int flags)
{
struct pipe_resource *template;
struct xa_surface *srf;
struct xa_format_descriptor fdesc;
if (xa_format == xa_format_unknown)
fdesc = xa_get_format_stype_depth(xa, stype, depth);
else
fdesc = xa_get_pipe_format(xa_format);
if (fdesc.xa_format == xa_format_unknown)
return NULL;
srf = calloc(1, sizeof(*srf));
if (!srf)
return NULL;
template = &srf->template;
template->format = fdesc.format;
template->target = PIPE_TEXTURE_2D;
template->width0 = width;
template->height0 = height;
template->depth0 = 1;
template->array_size = 1;
template->last_level = 0;
template->bind = stype_bind[xa_format_type(fdesc.xa_format)];
if (flags & XA_FLAG_SHARED)
template->bind |= PIPE_BIND_SHARED;
if (flags & XA_FLAG_RENDER_TARGET)
template->bind |= PIPE_BIND_RENDER_TARGET;
if (flags & XA_FLAG_SCANOUT)
template->bind |= PIPE_BIND_SCANOUT;
srf->tex = xa->screen->resource_create(xa->screen, template);
if (!srf->tex)
goto out_no_tex;
srf->xa = xa;
srf->flags = flags;
srf->fdesc = fdesc;
return srf;
out_no_tex:
free(srf);
return NULL;
}
XA_EXPORT int
xa_surface_redefine(struct xa_surface *srf,
int width,
int height,
int depth,
enum xa_surface_type stype,
enum xa_formats xa_format,
unsigned int new_flags,
int copy_contents)
{
struct pipe_resource *template = &srf->template;
struct pipe_resource *texture;
struct pipe_box src_box;
struct xa_tracker *xa = srf->xa;
int save_width;
int save_height;
unsigned int save_format;
struct xa_format_descriptor fdesc;
if (xa_format == xa_format_unknown)
fdesc = xa_get_format_stype_depth(xa, stype, depth);
else
fdesc = xa_get_pipe_format(xa_format);
if (width == template->width0 && height == template->height0 &&
template->format == fdesc.format &&
xa_flags_compat(srf->flags, new_flags))
return XA_ERR_NONE;
template->bind = stype_bind[xa_format_type(fdesc.xa_format)];
if (new_flags & XA_FLAG_SHARED)
template->bind |= PIPE_BIND_SHARED;
if (new_flags & XA_FLAG_RENDER_TARGET)
template->bind |= PIPE_BIND_RENDER_TARGET;
if (new_flags & XA_FLAG_SCANOUT)
template->bind |= PIPE_BIND_SCANOUT;
if (copy_contents) {
if (!xa_format_type_is_color(fdesc.xa_format) ||
xa_format_type(fdesc.xa_format) == xa_type_a)
return -XA_ERR_INVAL;
if (!xa->screen->is_format_supported(xa->screen, fdesc.format,
PIPE_TEXTURE_2D, 0,
template->bind |
PIPE_BIND_RENDER_TARGET))
return -XA_ERR_INVAL;
}
save_width = template->width0;
save_height = template->height0;
save_format = template->format;
template->width0 = width;
template->height0 = height;
template->format = fdesc.format;
texture = xa->screen->resource_create(xa->screen, template);
if (!texture) {
template->width0 = save_width;
template->height0 = save_height;
template->format = save_format;
return -XA_ERR_NORES;
}
if (copy_contents) {
struct pipe_context *pipe = xa->default_ctx->pipe;
u_box_origin_2d(xa_min(save_width, template->width0),
xa_min(save_height, template->height0), &src_box);
pipe->resource_copy_region(pipe, texture,
0, 0, 0, 0, srf->tex, 0, &src_box);
pipe->flush(pipe, &xa->default_ctx->last_fence);
}
pipe_resource_reference(&srf->tex, texture);
pipe_resource_reference(&texture, NULL);
srf->fdesc = fdesc;
srf->flags = new_flags;
return XA_ERR_NONE;
}
XA_EXPORT void
xa_surface_destroy(struct xa_surface *srf)
{
pipe_resource_reference(&srf->tex, NULL);
free(srf);
}
XA_EXPORT void
xa_tracker_version(int *major, int *minor, int *patch)
{
*major = XA_TRACKER_VERSION_MAJOR;
*minor = XA_TRACKER_VERSION_MINOR;
*patch = XA_TRACKER_VERSION_PATCH;
}
XA_EXPORT int
xa_surface_handle(struct xa_surface *srf,
uint32_t * handle, unsigned int *stride)
{
struct winsys_handle whandle;
struct pipe_screen *screen = srf->xa->screen;
boolean res;
memset(&whandle, 0, sizeof(whandle));
whandle.type = DRM_API_HANDLE_TYPE_SHARED;
res = screen->resource_get_handle(screen, srf->tex, &whandle);
if (!res)
return -XA_ERR_INVAL;
*handle = whandle.handle;
*stride = whandle.stride;
return XA_ERR_NONE;
}
XA_EXPORT enum xa_formats
xa_surface_format(const struct xa_surface *srf)
{
return srf->fdesc.xa_format;
}