93 lines
2.6 KiB
C
93 lines
2.6 KiB
C
/*
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* Copyright (C) 2009 Francisco Jerez.
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial
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* portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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*/
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#include "nouveau_driver.h"
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#include "nouveau_context.h"
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#include "nouveau_util.h"
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#include "main/formats.h"
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void
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nouveau_surface_alloc(struct gl_context *ctx, struct nouveau_surface *s,
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enum nouveau_surface_layout layout,
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unsigned flags, unsigned format,
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unsigned width, unsigned height)
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{
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union nouveau_bo_config config = {};
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int ret, cpp = _mesa_get_format_bytes(format);
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nouveau_bo_ref(NULL, &s->bo);
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*s = (struct nouveau_surface) {
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.layout = layout,
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.format = format,
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.width = width,
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.height = height,
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.cpp = cpp,
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.pitch = _mesa_format_row_stride(format, width),
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};
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if (layout == TILED) {
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s->pitch = align(s->pitch, 256);
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config.nv04.surf_pitch = s->pitch;
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if (cpp == 4)
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config.nv04.surf_flags = NV04_BO_32BPP;
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else if (cpp == 2)
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config.nv04.surf_flags = NV04_BO_16BPP;
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if (_mesa_get_format_bits(format, GL_DEPTH_BITS))
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config.nv04.surf_flags |= NV04_BO_ZETA;
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} else {
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s->pitch = align(s->pitch, 64);
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}
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ret = nouveau_bo_new(context_dev(ctx), flags, 0,
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get_format_blocksy(format, height) * s->pitch,
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&config, &s->bo);
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assert(!ret);
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}
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void
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nouveau_surface_ref(struct nouveau_surface *src,
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struct nouveau_surface *dst)
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{
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if (src) {
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dst->offset = src->offset;
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dst->layout = src->layout;
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dst->format = src->format;
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dst->width = src->width;
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dst->height = src->height;
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dst->cpp = src->cpp;
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dst->pitch = src->pitch;
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nouveau_bo_ref(src->bo, &dst->bo);
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} else {
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nouveau_bo_ref(NULL, &dst->bo);
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}
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}
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