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/*
* Copyright (C) 2009 Francisco Jerez.
* 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 (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 COPYRIGHT OWNER(S) 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.
*
*/
#include "nouveau_driver.h"
#include "nouveau_context.h"
#include "nouveau_util.h"
#include "main/formats.h"
void
nouveau_surface_alloc(struct gl_context *ctx, struct nouveau_surface *s,
enum nouveau_surface_layout layout,
unsigned flags, unsigned format,
unsigned width, unsigned height)
{
union nouveau_bo_config config = {};
int ret, cpp = _mesa_get_format_bytes(format);
nouveau_bo_ref(NULL, &s->bo);
*s = (struct nouveau_surface) {
.layout = layout,
.format = format,
.width = width,
.height = height,
.cpp = cpp,
.pitch = _mesa_format_row_stride(format, width),
};
if (layout == TILED) {
s->pitch = align(s->pitch, 256);
config.nv04.surf_pitch = s->pitch;
if (cpp == 4)
config.nv04.surf_flags = NV04_BO_32BPP;
else if (cpp == 2)
config.nv04.surf_flags = NV04_BO_16BPP;
if (_mesa_get_format_bits(format, GL_DEPTH_BITS))
config.nv04.surf_flags |= NV04_BO_ZETA;
} else {
s->pitch = align(s->pitch, 64);
}
ret = nouveau_bo_new(context_dev(ctx), flags, 0,
get_format_blocksy(format, height) * s->pitch,
&config, &s->bo);
assert(!ret);
}
void
nouveau_surface_ref(struct nouveau_surface *src,
struct nouveau_surface *dst)
{
if (src) {
dst->offset = src->offset;
dst->layout = src->layout;
dst->format = src->format;
dst->width = src->width;
dst->height = src->height;
dst->cpp = src->cpp;
dst->pitch = src->pitch;
nouveau_bo_ref(src->bo, &dst->bo);
} else {
nouveau_bo_ref(NULL, &dst->bo);
}
}
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