651 lines
20 KiB
C
651 lines
20 KiB
C
/**************************************************************************
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*
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* Copyright 2009, VMware, Inc.
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* All Rights Reserved.
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* Copyright 2010 George Sapountzis <gsapountzis@gmail.com>
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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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#include "util/format/u_format.h"
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#include "util/u_memory.h"
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#include "util/u_inlines.h"
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#include "util/u_box.h"
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#include "pipe/p_context.h"
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#include "pipe-loader/pipe_loader.h"
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#include "frontend/drisw_api.h"
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#include "state_tracker/st_context.h"
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#include "dri_screen.h"
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#include "dri_context.h"
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#include "dri_drawable.h"
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#include "dri_helpers.h"
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#include "dri_query_renderer.h"
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DEBUG_GET_ONCE_BOOL_OPTION(swrast_no_present, "SWRAST_NO_PRESENT", FALSE);
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static inline void
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get_drawable_info(__DRIdrawable *dPriv, int *x, int *y, int *w, int *h)
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{
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__DRIscreen *sPriv = dPriv->driScreenPriv;
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const __DRIswrastLoaderExtension *loader = sPriv->swrast_loader;
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loader->getDrawableInfo(dPriv,
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x, y, w, h,
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dPriv->loaderPrivate);
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}
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static inline void
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put_image(__DRIdrawable *dPriv, void *data, unsigned width, unsigned height)
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{
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__DRIscreen *sPriv = dPriv->driScreenPriv;
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const __DRIswrastLoaderExtension *loader = sPriv->swrast_loader;
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loader->putImage(dPriv, __DRI_SWRAST_IMAGE_OP_SWAP,
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0, 0, width, height,
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data, dPriv->loaderPrivate);
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}
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static inline void
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put_image2(__DRIdrawable *dPriv, void *data, int x, int y,
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unsigned width, unsigned height, unsigned stride)
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{
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__DRIscreen *sPriv = dPriv->driScreenPriv;
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const __DRIswrastLoaderExtension *loader = sPriv->swrast_loader;
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loader->putImage2(dPriv, __DRI_SWRAST_IMAGE_OP_SWAP,
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x, y, width, height, stride,
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data, dPriv->loaderPrivate);
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}
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static inline void
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put_image_shm(__DRIdrawable *dPriv, int shmid, char *shmaddr,
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unsigned offset, unsigned offset_x, int x, int y,
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unsigned width, unsigned height, unsigned stride)
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{
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__DRIscreen *sPriv = dPriv->driScreenPriv;
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const __DRIswrastLoaderExtension *loader = sPriv->swrast_loader;
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/* if we have the newer interface, don't have to add the offset_x here. */
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if (loader->base.version > 4 && loader->putImageShm2)
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loader->putImageShm2(dPriv, __DRI_SWRAST_IMAGE_OP_SWAP,
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x, y, width, height, stride,
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shmid, shmaddr, offset, dPriv->loaderPrivate);
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else
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loader->putImageShm(dPriv, __DRI_SWRAST_IMAGE_OP_SWAP,
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x, y, width, height, stride,
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shmid, shmaddr, offset + offset_x, dPriv->loaderPrivate);
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}
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static inline void
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get_image(__DRIdrawable *dPriv, int x, int y, int width, int height, void *data)
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{
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__DRIscreen *sPriv = dPriv->driScreenPriv;
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const __DRIswrastLoaderExtension *loader = sPriv->swrast_loader;
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loader->getImage(dPriv,
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x, y, width, height,
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data, dPriv->loaderPrivate);
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}
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static inline void
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get_image2(__DRIdrawable *dPriv, int x, int y, int width, int height, int stride, void *data)
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{
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__DRIscreen *sPriv = dPriv->driScreenPriv;
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const __DRIswrastLoaderExtension *loader = sPriv->swrast_loader;
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/* getImage2 support is only in version 3 or newer */
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if (loader->base.version < 3)
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return;
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loader->getImage2(dPriv,
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x, y, width, height, stride,
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data, dPriv->loaderPrivate);
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}
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static inline bool
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get_image_shm(__DRIdrawable *dPriv, int x, int y, int width, int height,
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struct pipe_resource *res)
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{
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__DRIscreen *sPriv = dPriv->driScreenPriv;
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const __DRIswrastLoaderExtension *loader = sPriv->swrast_loader;
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struct winsys_handle whandle;
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whandle.type = WINSYS_HANDLE_TYPE_SHMID;
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if (loader->base.version < 4 || !loader->getImageShm)
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return FALSE;
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if (!res->screen->resource_get_handle(res->screen, NULL, res, &whandle, PIPE_HANDLE_USAGE_FRAMEBUFFER_WRITE))
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return FALSE;
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if (loader->base.version > 5 && loader->getImageShm2)
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return loader->getImageShm2(dPriv, x, y, width, height, whandle.handle, dPriv->loaderPrivate);
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loader->getImageShm(dPriv, x, y, width, height, whandle.handle, dPriv->loaderPrivate);
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return TRUE;
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}
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static void
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drisw_update_drawable_info(struct dri_drawable *drawable)
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{
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__DRIdrawable *dPriv = drawable->dPriv;
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int x, y;
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get_drawable_info(dPriv, &x, &y, &dPriv->w, &dPriv->h);
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}
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static void
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drisw_get_image(struct dri_drawable *drawable,
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int x, int y, unsigned width, unsigned height, unsigned stride,
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void *data)
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{
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__DRIdrawable *dPriv = drawable->dPriv;
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int draw_x, draw_y, draw_w, draw_h;
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get_drawable_info(dPriv, &draw_x, &draw_y, &draw_w, &draw_h);
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get_image2(dPriv, x, y, draw_w, draw_h, stride, data);
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}
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static void
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drisw_put_image(struct dri_drawable *drawable,
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void *data, unsigned width, unsigned height)
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{
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__DRIdrawable *dPriv = drawable->dPriv;
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put_image(dPriv, data, width, height);
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}
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static void
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drisw_put_image2(struct dri_drawable *drawable,
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void *data, int x, int y, unsigned width, unsigned height,
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unsigned stride)
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{
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__DRIdrawable *dPriv = drawable->dPriv;
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put_image2(dPriv, data, x, y, width, height, stride);
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}
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static inline void
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drisw_put_image_shm(struct dri_drawable *drawable,
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int shmid, char *shmaddr, unsigned offset,
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unsigned offset_x,
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int x, int y, unsigned width, unsigned height,
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unsigned stride)
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{
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__DRIdrawable *dPriv = drawable->dPriv;
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put_image_shm(dPriv, shmid, shmaddr, offset, offset_x, x, y, width, height, stride);
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}
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static inline void
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drisw_present_texture(struct pipe_context *pipe, __DRIdrawable *dPriv,
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struct pipe_resource *ptex, struct pipe_box *sub_box)
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{
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struct dri_drawable *drawable = dri_drawable(dPriv);
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struct dri_screen *screen = dri_screen(drawable->sPriv);
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if (screen->swrast_no_present)
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return;
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screen->base.screen->flush_frontbuffer(screen->base.screen, pipe, ptex, 0, 0, drawable, sub_box);
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}
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static inline void
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drisw_invalidate_drawable(__DRIdrawable *dPriv)
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{
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struct dri_drawable *drawable = dri_drawable(dPriv);
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drawable->texture_stamp = dPriv->lastStamp - 1;
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p_atomic_inc(&drawable->base.stamp);
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}
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static inline void
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drisw_copy_to_front(struct pipe_context *pipe,
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__DRIdrawable * dPriv,
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struct pipe_resource *ptex)
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{
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drisw_present_texture(pipe, dPriv, ptex, NULL);
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drisw_invalidate_drawable(dPriv);
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}
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/*
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* Backend functions for st_framebuffer interface and swap_buffers.
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*/
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static void
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drisw_swap_buffers(__DRIdrawable *dPriv)
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{
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struct dri_context *ctx = dri_get_current(dPriv->driScreenPriv);
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struct dri_drawable *drawable = dri_drawable(dPriv);
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struct dri_screen *screen = dri_screen(drawable->sPriv);
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struct pipe_resource *ptex;
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if (!ctx)
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return;
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ptex = drawable->textures[ST_ATTACHMENT_BACK_LEFT];
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if (ptex) {
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struct pipe_fence_handle *fence = NULL;
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if (ctx->pp)
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pp_run(ctx->pp, ptex, ptex, drawable->textures[ST_ATTACHMENT_DEPTH_STENCIL]);
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if (ctx->hud)
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hud_run(ctx->hud, ctx->st->cso_context, ptex);
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ctx->st->flush(ctx->st, ST_FLUSH_FRONT, &fence, NULL, NULL);
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if (drawable->stvis.samples > 1) {
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/* Resolve the back buffer. */
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dri_pipe_blit(ctx->st->pipe,
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drawable->textures[ST_ATTACHMENT_BACK_LEFT],
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drawable->msaa_textures[ST_ATTACHMENT_BACK_LEFT]);
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}
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screen->base.screen->fence_finish(screen->base.screen, ctx->st->pipe,
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fence, PIPE_TIMEOUT_INFINITE);
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screen->base.screen->fence_reference(screen->base.screen, &fence, NULL);
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drisw_copy_to_front(ctx->st->pipe, dPriv, ptex);
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}
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}
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static void
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drisw_copy_sub_buffer(__DRIdrawable *dPriv, int x, int y,
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int w, int h)
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{
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struct dri_context *ctx = dri_get_current(dPriv->driScreenPriv);
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struct dri_drawable *drawable = dri_drawable(dPriv);
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struct dri_screen *screen = dri_screen(drawable->sPriv);
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struct pipe_resource *ptex;
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struct pipe_box box;
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if (!ctx)
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return;
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ptex = drawable->textures[ST_ATTACHMENT_BACK_LEFT];
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if (ptex) {
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struct pipe_fence_handle *fence = NULL;
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if (ctx->pp && drawable->textures[ST_ATTACHMENT_DEPTH_STENCIL])
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pp_run(ctx->pp, ptex, ptex, drawable->textures[ST_ATTACHMENT_DEPTH_STENCIL]);
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ctx->st->flush(ctx->st, ST_FLUSH_FRONT, &fence, NULL, NULL);
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screen->base.screen->fence_finish(screen->base.screen, ctx->st->pipe,
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fence, PIPE_TIMEOUT_INFINITE);
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screen->base.screen->fence_reference(screen->base.screen, &fence, NULL);
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if (drawable->stvis.samples > 1) {
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/* Resolve the back buffer. */
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dri_pipe_blit(ctx->st->pipe,
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drawable->textures[ST_ATTACHMENT_BACK_LEFT],
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drawable->msaa_textures[ST_ATTACHMENT_BACK_LEFT]);
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}
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u_box_2d(x, dPriv->h - y - h, w, h, &box);
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drisw_present_texture(ctx->st->pipe, dPriv, ptex, &box);
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}
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}
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static bool
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drisw_flush_frontbuffer(struct dri_context *ctx,
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struct dri_drawable *drawable,
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enum st_attachment_type statt)
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{
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struct pipe_resource *ptex;
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if (!ctx || statt != ST_ATTACHMENT_FRONT_LEFT)
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return false;
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if (drawable->stvis.samples > 1) {
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/* Resolve the front buffer. */
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dri_pipe_blit(ctx->st->pipe,
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drawable->textures[ST_ATTACHMENT_FRONT_LEFT],
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drawable->msaa_textures[ST_ATTACHMENT_FRONT_LEFT]);
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}
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ptex = drawable->textures[statt];
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if (ptex) {
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drisw_copy_to_front(ctx->st->pipe, ctx->dPriv, ptex);
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}
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return true;
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}
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/**
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* Allocate framebuffer attachments.
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*
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* During fixed-size operation, the function keeps allocating new attachments
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* as they are requested. Unused attachments are not removed, not until the
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* framebuffer is resized or destroyed.
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*/
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static void
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drisw_allocate_textures(struct dri_context *stctx,
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struct dri_drawable *drawable,
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const enum st_attachment_type *statts,
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unsigned count)
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{
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struct dri_screen *screen = dri_screen(drawable->sPriv);
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const __DRIswrastLoaderExtension *loader = drawable->dPriv->driScreenPriv->swrast_loader;
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struct pipe_resource templ;
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unsigned width, height;
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boolean resized;
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unsigned i;
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width = drawable->dPriv->w;
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height = drawable->dPriv->h;
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resized = (drawable->old_w != width ||
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drawable->old_h != height);
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/* remove outdated textures */
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if (resized) {
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for (i = 0; i < ST_ATTACHMENT_COUNT; i++) {
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pipe_resource_reference(&drawable->textures[i], NULL);
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pipe_resource_reference(&drawable->msaa_textures[i], NULL);
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}
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}
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memset(&templ, 0, sizeof(templ));
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templ.target = screen->target;
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templ.width0 = width;
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templ.height0 = height;
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templ.depth0 = 1;
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templ.array_size = 1;
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templ.last_level = 0;
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for (i = 0; i < count; i++) {
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enum pipe_format format;
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unsigned bind;
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/* the texture already exists or not requested */
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if (drawable->textures[statts[i]])
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continue;
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dri_drawable_get_format(drawable, statts[i], &format, &bind);
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/* if we don't do any present, no need for display targets */
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if (statts[i] != ST_ATTACHMENT_DEPTH_STENCIL && !screen->swrast_no_present)
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bind |= PIPE_BIND_DISPLAY_TARGET;
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if (format == PIPE_FORMAT_NONE)
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continue;
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templ.format = format;
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templ.bind = bind;
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templ.nr_samples = 0;
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templ.nr_storage_samples = 0;
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if (statts[i] == ST_ATTACHMENT_FRONT_LEFT &&
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screen->base.screen->resource_create_front &&
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loader->base.version >= 3) {
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drawable->textures[statts[i]] =
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screen->base.screen->resource_create_front(screen->base.screen, &templ, (const void *)drawable);
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} else
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drawable->textures[statts[i]] =
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screen->base.screen->resource_create(screen->base.screen, &templ);
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if (drawable->stvis.samples > 1) {
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templ.bind = templ.bind &
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~(PIPE_BIND_SCANOUT | PIPE_BIND_SHARED | PIPE_BIND_DISPLAY_TARGET);
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templ.nr_samples = drawable->stvis.samples;
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templ.nr_storage_samples = drawable->stvis.samples;
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drawable->msaa_textures[statts[i]] =
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screen->base.screen->resource_create(screen->base.screen, &templ);
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dri_pipe_blit(stctx->st->pipe,
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drawable->msaa_textures[statts[i]],
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drawable->textures[statts[i]]);
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}
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}
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drawable->old_w = width;
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drawable->old_h = height;
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}
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static void
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drisw_update_tex_buffer(struct dri_drawable *drawable,
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struct dri_context *ctx,
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struct pipe_resource *res)
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{
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__DRIdrawable *dPriv = drawable->dPriv;
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struct st_context *st_ctx = (struct st_context *)ctx->st;
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struct pipe_context *pipe = st_ctx->pipe;
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struct pipe_transfer *transfer;
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char *map;
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int x, y, w, h;
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int ximage_stride, line;
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int cpp = util_format_get_blocksize(res->format);
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get_drawable_info(dPriv, &x, &y, &w, &h);
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map = pipe_texture_map(pipe, res,
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0, 0, // level, layer,
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PIPE_MAP_WRITE,
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x, y, w, h, &transfer);
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/* Copy the Drawable content to the mapped texture buffer */
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if (!get_image_shm(dPriv, x, y, w, h, res))
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get_image(dPriv, x, y, w, h, map);
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/* The pipe transfer has a pitch rounded up to the nearest 64 pixels.
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get_image() has a pitch rounded up to 4 bytes. */
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ximage_stride = ((w * cpp) + 3) & -4;
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for (line = h-1; line; --line) {
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memmove(&map[line * transfer->stride],
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&map[line * ximage_stride],
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ximage_stride);
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}
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pipe_texture_unmap(pipe, transfer);
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}
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static __DRIimageExtension driSWImageExtension = {
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.base = { __DRI_IMAGE, 6 },
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.createImageFromRenderbuffer = dri2_create_image_from_renderbuffer,
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.createImageFromTexture = dri2_create_from_texture,
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.destroyImage = dri2_destroy_image,
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};
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static const __DRIrobustnessExtension dri2Robustness = {
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.base = { __DRI2_ROBUSTNESS, 1 }
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};
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/*
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* Backend function for init_screen.
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*/
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static const __DRIextension *drisw_screen_extensions[] = {
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&driTexBufferExtension.base,
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&dri2RendererQueryExtension.base,
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&dri2ConfigQueryExtension.base,
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&dri2FenceExtension.base,
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&driSWImageExtension.base,
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&dri2FlushControlExtension.base,
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NULL
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};
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|
static const __DRIextension *drisw_robust_screen_extensions[] = {
|
|
&driTexBufferExtension.base,
|
|
&dri2RendererQueryExtension.base,
|
|
&dri2ConfigQueryExtension.base,
|
|
&dri2FenceExtension.base,
|
|
&dri2Robustness.base,
|
|
&driSWImageExtension.base,
|
|
&dri2FlushControlExtension.base,
|
|
NULL
|
|
};
|
|
|
|
static const struct drisw_loader_funcs drisw_lf = {
|
|
.get_image = drisw_get_image,
|
|
.put_image = drisw_put_image,
|
|
.put_image2 = drisw_put_image2
|
|
};
|
|
|
|
static const struct drisw_loader_funcs drisw_shm_lf = {
|
|
.get_image = drisw_get_image,
|
|
.put_image = drisw_put_image,
|
|
.put_image2 = drisw_put_image2,
|
|
.put_image_shm = drisw_put_image_shm
|
|
};
|
|
|
|
static const __DRIconfig **
|
|
drisw_init_screen(__DRIscreen * sPriv)
|
|
{
|
|
const __DRIswrastLoaderExtension *loader = sPriv->swrast_loader;
|
|
const __DRIconfig **configs;
|
|
struct dri_screen *screen;
|
|
struct pipe_screen *pscreen = NULL;
|
|
const struct drisw_loader_funcs *lf = &drisw_lf;
|
|
|
|
screen = CALLOC_STRUCT(dri_screen);
|
|
if (!screen)
|
|
return NULL;
|
|
|
|
screen->sPriv = sPriv;
|
|
screen->fd = sPriv->fd;
|
|
|
|
screen->swrast_no_present = debug_get_option_swrast_no_present();
|
|
|
|
sPriv->driverPrivate = (void *)screen;
|
|
|
|
if (loader->base.version >= 4) {
|
|
if (loader->putImageShm)
|
|
lf = &drisw_shm_lf;
|
|
}
|
|
|
|
bool success = false;
|
|
#ifdef HAVE_PIPE_LOADER_KMS
|
|
if (screen->fd != -1)
|
|
success = pipe_loader_sw_probe_kms(&screen->dev, screen->fd);
|
|
#endif
|
|
if (!success)
|
|
success = pipe_loader_sw_probe_dri(&screen->dev, lf);
|
|
if (success) {
|
|
pscreen = pipe_loader_create_screen(screen->dev);
|
|
dri_init_options(screen);
|
|
}
|
|
|
|
if (!pscreen)
|
|
goto fail;
|
|
|
|
configs = dri_init_screen_helper(screen, pscreen);
|
|
if (!configs)
|
|
goto fail;
|
|
|
|
if (pscreen->get_param(pscreen, PIPE_CAP_DEVICE_RESET_STATUS_QUERY)) {
|
|
sPriv->extensions = drisw_robust_screen_extensions;
|
|
screen->has_reset_status_query = true;
|
|
}
|
|
else
|
|
sPriv->extensions = drisw_screen_extensions;
|
|
screen->lookup_egl_image = dri2_lookup_egl_image;
|
|
|
|
const __DRIimageLookupExtension *image = sPriv->dri2.image;
|
|
if (image &&
|
|
image->base.version >= 2 &&
|
|
image->validateEGLImage &&
|
|
image->lookupEGLImageValidated) {
|
|
screen->validate_egl_image = dri2_validate_egl_image;
|
|
screen->lookup_egl_image_validated = dri2_lookup_egl_image_validated;
|
|
}
|
|
|
|
return configs;
|
|
fail:
|
|
dri_destroy_screen_helper(screen);
|
|
if (screen->dev)
|
|
pipe_loader_release(&screen->dev, 1);
|
|
FREE(screen);
|
|
return NULL;
|
|
}
|
|
|
|
static boolean
|
|
drisw_create_buffer(__DRIscreen * sPriv,
|
|
__DRIdrawable * dPriv,
|
|
const struct gl_config * visual, boolean isPixmap)
|
|
{
|
|
struct dri_drawable *drawable = NULL;
|
|
|
|
if (!dri_create_buffer(sPriv, dPriv, visual, isPixmap))
|
|
return FALSE;
|
|
|
|
drawable = dPriv->driverPrivate;
|
|
|
|
drawable->allocate_textures = drisw_allocate_textures;
|
|
drawable->update_drawable_info = drisw_update_drawable_info;
|
|
drawable->flush_frontbuffer = drisw_flush_frontbuffer;
|
|
drawable->update_tex_buffer = drisw_update_tex_buffer;
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/**
|
|
* DRI driver virtual function table.
|
|
*
|
|
* DRI versions differ in their implementation of init_screen and swap_buffers.
|
|
*/
|
|
const struct __DriverAPIRec galliumsw_driver_api = {
|
|
.InitScreen = drisw_init_screen,
|
|
.DestroyScreen = dri_destroy_screen,
|
|
.CreateBuffer = drisw_create_buffer,
|
|
.DestroyBuffer = dri_destroy_buffer,
|
|
.SwapBuffers = drisw_swap_buffers,
|
|
.CopySubBuffer = drisw_copy_sub_buffer,
|
|
};
|
|
|
|
static const struct __DRIDriverVtableExtensionRec galliumsw_vtable = {
|
|
.base = { __DRI_DRIVER_VTABLE, 1 },
|
|
.vtable = &galliumsw_driver_api,
|
|
};
|
|
|
|
/* swrast copy sub buffer entrypoint. */
|
|
static void driswCopySubBuffer(__DRIdrawable *pdp, int x, int y,
|
|
int w, int h)
|
|
{
|
|
assert(pdp->driScreenPriv->swrast_loader);
|
|
|
|
pdp->driScreenPriv->driver->CopySubBuffer(pdp, x, y, w, h);
|
|
}
|
|
|
|
/* for swrast only */
|
|
const __DRIcopySubBufferExtension driSWCopySubBufferExtension = {
|
|
.base = { __DRI_COPY_SUB_BUFFER, 1 },
|
|
|
|
.copySubBuffer = driswCopySubBuffer,
|
|
};
|
|
|
|
/* This is the table of extensions that the loader will dlsym() for. */
|
|
const __DRIextension *galliumsw_driver_extensions[] = {
|
|
&driCoreExtension.base,
|
|
&driSWRastExtension.base,
|
|
&driSWCopySubBufferExtension.base,
|
|
&gallium_config_options.base,
|
|
&galliumsw_vtable.base,
|
|
NULL
|
|
};
|
|
|
|
/* vim: set sw=3 ts=8 sts=3 expandtab: */
|