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/* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */
/*
* Copyright (C) 2013 Rob Clark <robclark@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
* 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 (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 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:
* Rob Clark <robclark@freedesktop.org>
*/
#include "pipe/p_screen.h"
#include "util/u_format.h"
#include "fd2_screen.h"
#include "fd2_context.h"
#include "fd2_util.h"
static boolean
fd2_screen_is_format_supported(struct pipe_screen *pscreen,
enum pipe_format format,
enum pipe_texture_target target,
unsigned sample_count,
unsigned usage)
{
unsigned retval = 0;
if ((target >= PIPE_MAX_TEXTURE_TYPES) ||
(sample_count > 1) || /* TODO add MSAA */
!util_format_is_supported(format, usage)) {
DBG("not supported: format=%s, target=%d, sample_count=%d, usage=%x",
util_format_name(format), target, sample_count, usage);
return FALSE;
}
/* TODO figure out how to render to other formats.. */
if ((usage & PIPE_BIND_RENDER_TARGET) &&
((format != PIPE_FORMAT_B8G8R8A8_UNORM) &&
(format != PIPE_FORMAT_B8G8R8X8_UNORM))) {
DBG("not supported render target: format=%s, target=%d, sample_count=%d, usage=%x",
util_format_name(format), target, sample_count, usage);
return FALSE;
}
if ((usage & (PIPE_BIND_SAMPLER_VIEW |
PIPE_BIND_VERTEX_BUFFER)) &&
(fd2_pipe2surface(format) != ~0)) {
retval |= usage & (PIPE_BIND_SAMPLER_VIEW |
PIPE_BIND_VERTEX_BUFFER);
}
if ((usage & (PIPE_BIND_RENDER_TARGET |
PIPE_BIND_DISPLAY_TARGET |
PIPE_BIND_SCANOUT |
PIPE_BIND_SHARED)) &&
(fd2_pipe2color(format) != ~0)) {
retval |= usage & (PIPE_BIND_RENDER_TARGET |
PIPE_BIND_DISPLAY_TARGET |
PIPE_BIND_SCANOUT |
PIPE_BIND_SHARED);
}
if ((usage & PIPE_BIND_DEPTH_STENCIL) &&
(fd_pipe2depth(format) != ~0)) {
retval |= PIPE_BIND_DEPTH_STENCIL;
}
if ((usage & PIPE_BIND_INDEX_BUFFER) &&
(fd_pipe2index(format) != ~0)) {
retval |= PIPE_BIND_INDEX_BUFFER;
}
if (usage & PIPE_BIND_TRANSFER_READ)
retval |= PIPE_BIND_TRANSFER_READ;
if (usage & PIPE_BIND_TRANSFER_WRITE)
retval |= PIPE_BIND_TRANSFER_WRITE;
if (retval != usage) {
DBG("not supported: format=%s, target=%d, sample_count=%d, "
"usage=%x, retval=%x", util_format_name(format),
target, sample_count, usage, retval);
}
return retval == usage;
}
void
fd2_screen_init(struct pipe_screen *pscreen)
{
pscreen->context_create = fd2_context_create;
pscreen->is_format_supported = fd2_screen_is_format_supported;
}
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