gallium: move framebuffer utility functions into a new file
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d8306c9caf
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1fc5a318a6
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@ -113,6 +113,7 @@ C_SOURCES = \
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util/u_format_tests.c \
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util/u_format_yuv.c \
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util/u_format_zs.c \
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util/u_framebuffer.c \
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util/u_gen_mipmap.c \
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util/u_half.c \
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util/u_handle_table.c \
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@ -162,6 +162,7 @@ source = [
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'util/u_format_tests.c',
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'util/u_format_yuv.c',
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'util/u_format_zs.c',
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'util/u_framebuffer.c',
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'util/u_gen_mipmap.c',
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'util/u_half.c',
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'util/u_handle_table.c',
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@ -0,0 +1,111 @@
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/**************************************************************************
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*
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* Copyright 2009-2010 VMware, Inc. All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* 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, sub license, 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 portions
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* of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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* IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
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* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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**************************************************************************/
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/**
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* @file
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* Framebuffer utility functions.
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*
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* @author Brian Paul
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*/
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#include "pipe/p_screen.h"
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#include "pipe/p_state.h"
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#include "pipe/p_defines.h"
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#include "util/u_inlines.h"
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#include "util/u_memory.h"
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#include "util/u_framebuffer.h"
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/**
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* Compare pipe_framebuffer_state objects.
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* \return TRUE if same, FALSE if different
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*/
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boolean
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util_framebuffer_state_equal(const struct pipe_framebuffer_state *dst,
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const struct pipe_framebuffer_state *src)
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{
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unsigned i;
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if (dst->width != src->width ||
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dst->height != src->height)
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return FALSE;
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for (i = 0; i < Elements(src->cbufs); i++) {
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if (dst->cbufs[i] != src->cbufs[i]) {
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return FALSE;
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}
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}
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if (dst->nr_cbufs != src->nr_cbufs) {
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return FALSE;
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}
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if (dst->zsbuf != src->zsbuf) {
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return FALSE;
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}
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return TRUE;
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}
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/**
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* Copy framebuffer state from src to dst, updating refcounts.
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*/
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void
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util_copy_framebuffer_state(struct pipe_framebuffer_state *dst,
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const struct pipe_framebuffer_state *src)
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{
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unsigned i;
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dst->width = src->width;
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dst->height = src->height;
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for (i = 0; i < Elements(src->cbufs); i++) {
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pipe_surface_reference(&dst->cbufs[i], src->cbufs[i]);
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}
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dst->nr_cbufs = src->nr_cbufs;
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pipe_surface_reference(&dst->zsbuf, src->zsbuf);
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}
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void
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util_unreference_framebuffer_state(struct pipe_framebuffer_state *fb)
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{
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unsigned i;
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for (i = 0; i < fb->nr_cbufs; i++) {
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pipe_surface_reference(&fb->cbufs[i], NULL);
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}
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pipe_surface_reference(&fb->zsbuf, NULL);
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fb->width = fb->height = 0;
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fb->nr_cbufs = 0;
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}
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@ -0,0 +1,49 @@
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/**************************************************************************
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*
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* Copyright 2009-2010 VMware, Inc. All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* 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, sub license, 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 portions
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* of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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* IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
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* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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**************************************************************************/
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#ifndef U_FRAMEBUFFER_H
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#define U_FRAMEBUFFER_H
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#include "pipe/p_compiler.h"
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#include "pipe/p_state.h"
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extern boolean
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util_framebuffer_state_equal(const struct pipe_framebuffer_state *dst,
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const struct pipe_framebuffer_state *src);
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extern void
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util_copy_framebuffer_state(struct pipe_framebuffer_state *dst,
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const struct pipe_framebuffer_state *src);
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extern void
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util_unreference_framebuffer_state(struct pipe_framebuffer_state *fb);
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#endif /* U_FRAMEBUFFER_H */
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@ -114,74 +114,3 @@ util_destroy_rgba_surface(struct pipe_resource *texture,
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pipe_surface_reference(&surface, NULL);
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pipe_resource_reference(&texture, NULL);
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}
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/**
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* Compare pipe_framebuffer_state objects.
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* \return TRUE if same, FALSE if different
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*/
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boolean
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util_framebuffer_state_equal(const struct pipe_framebuffer_state *dst,
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const struct pipe_framebuffer_state *src)
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{
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unsigned i;
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if (dst->width != src->width ||
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dst->height != src->height)
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return FALSE;
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for (i = 0; i < Elements(src->cbufs); i++) {
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if (dst->cbufs[i] != src->cbufs[i]) {
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return FALSE;
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}
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}
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if (dst->nr_cbufs != src->nr_cbufs) {
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return FALSE;
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}
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if (dst->zsbuf != src->zsbuf) {
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return FALSE;
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}
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return TRUE;
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}
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/**
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* Copy framebuffer state from src to dst, updating refcounts.
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*/
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void
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util_copy_framebuffer_state(struct pipe_framebuffer_state *dst,
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const struct pipe_framebuffer_state *src)
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{
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unsigned i;
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dst->width = src->width;
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dst->height = src->height;
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for (i = 0; i < Elements(src->cbufs); i++) {
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pipe_surface_reference(&dst->cbufs[i], src->cbufs[i]);
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}
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dst->nr_cbufs = src->nr_cbufs;
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pipe_surface_reference(&dst->zsbuf, src->zsbuf);
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}
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void
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util_unreference_framebuffer_state(struct pipe_framebuffer_state *fb)
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{
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unsigned i;
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for (i = 0; i < fb->nr_cbufs; i++) {
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pipe_surface_reference(&fb->cbufs[i], NULL);
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}
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pipe_surface_reference(&fb->zsbuf, NULL);
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fb->width = fb->height = 0;
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fb->nr_cbufs = 0;
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}
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@ -62,17 +62,4 @@ util_destroy_rgba_surface(struct pipe_resource *texture,
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struct pipe_surface *surface);
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extern boolean
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util_framebuffer_state_equal(const struct pipe_framebuffer_state *dst,
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const struct pipe_framebuffer_state *src);
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extern void
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util_copy_framebuffer_state(struct pipe_framebuffer_state *dst,
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const struct pipe_framebuffer_state *src);
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extern void
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util_unreference_framebuffer_state(struct pipe_framebuffer_state *fb);
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#endif /* U_SURFACE_H */
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@ -25,6 +25,7 @@
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*
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**************************************************************************/
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#include "util/u_framebuffer.h"
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#include "util/u_math.h"
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#include "util/u_memory.h"
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#include "util/u_inlines.h"
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@ -33,6 +33,7 @@
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*/
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#include "pipe/p_defines.h"
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#include "util/u_framebuffer.h"
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#include "util/u_inlines.h"
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#include "util/u_memory.h"
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#include "util/u_pack_color.h"
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@ -30,6 +30,7 @@
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#include "pipe/p_state.h"
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#include "util/u_inlines.h"
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#include "util/u_framebuffer.h"
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#include "util/u_surface.h"
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#include "lp_context.h"
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#include "lp_scene.h"
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