From 3e492acc579ba0a98d0388aa73605aba5bf9840c Mon Sep 17 00:00:00 2001 From: Keith Whitwell Date: Mon, 12 Jan 2009 19:33:44 +0000 Subject: [PATCH] dri: pull dri_swapbuffers.c into dri_drawable.c --- .../state_trackers/glx/dri/dri_context.h | 48 +-- .../state_trackers/glx/dri/dri_drawable.c | 303 +++++++++++++++++- .../dri/{dri_swapbuffers.h => dri_drawable.h} | 49 ++- src/gallium/state_trackers/glx/dri/dri_lock.c | 6 +- .../state_trackers/glx/dri/dri_screen.h | 15 - .../state_trackers/glx/dri/dri_swapbuffers.c | 295 ----------------- 6 files changed, 370 insertions(+), 346 deletions(-) rename src/gallium/state_trackers/glx/dri/{dri_swapbuffers.h => dri_drawable.h} (59%) delete mode 100644 src/gallium/state_trackers/glx/dri/dri_swapbuffers.c diff --git a/src/gallium/state_trackers/glx/dri/dri_context.h b/src/gallium/state_trackers/glx/dri/dri_context.h index 06b86d69a89..4e6a305abb0 100644 --- a/src/gallium/state_trackers/glx/dri/dri_context.h +++ b/src/gallium/state_trackers/glx/dri/dri_context.h @@ -27,12 +27,10 @@ #ifndef DRI_CONTEXT_H #define DRI_CONTEXT_H -#include +#include "pipe/p_compiler.h" #include "drm.h" +#include "dri_util.h" -#include "pipe/p_debug.h" - -#include "dri_screen.h" struct pipe_context; struct pipe_fence; @@ -56,35 +54,39 @@ struct dri_context }; - -struct dri_drawable -{ - __DRIdrawablePrivate *dPriv; - unsigned stamp; - - struct pipe_fence *last_swap_fence; - struct pipe_fence *first_swap_fence; - - struct st_framebuffer *stfb; -}; - - static INLINE struct dri_context * dri_context(__DRIcontextPrivate *driContextPriv) { return (struct dri_context *) driContextPriv->driverPrivate; } -static INLINE struct dri_drawable * -dri_drawable(__DRIdrawablePrivate * driDrawPriv) -{ - return (struct dri_drawable *) driDrawPriv->driverPrivate; -} +/*********************************************************************** + * dri_context.c + */ +void +dri_destroy_context(__DRIcontextPrivate * driContextPriv); + +boolean +dri_unbind_context(__DRIcontextPrivate * driContextPriv); + +boolean +dri_make_current(__DRIcontextPrivate * driContextPriv, + __DRIdrawablePrivate * driDrawPriv, + __DRIdrawablePrivate * driReadPriv); + +boolean +dri_create_context(const __GLcontextModes * visual, + __DRIcontextPrivate * driContextPriv, + void *sharedContextPrivate); + + /*********************************************************************** * dri_lock.c */ -void dri_lock_hardware( struct dri_context *dri, struct dri_drawable *drawable ); +void dri_lock_hardware( struct dri_context *context, + struct dri_drawable *drawable ); + void dri_unlock_hardware( struct dri_context *dri ); boolean dri_is_locked( struct dri_context *dri ); diff --git a/src/gallium/state_trackers/glx/dri/dri_drawable.c b/src/gallium/state_trackers/glx/dri/dri_drawable.c index 7503c40194e..53ac3dbb8c4 100644 --- a/src/gallium/state_trackers/glx/dri/dri_drawable.c +++ b/src/gallium/state_trackers/glx/dri/dri_drawable.c @@ -1,3 +1,298 @@ +/************************************************************************** + * + * Copyright 2009, VMware, Inc. + * 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, sub license, 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 NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS 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 "dri_screen.h" +#include "dri_context.h" +#include "dri_swapbuffers.h" + +#include "pipe/p_context.h" +#include "state_tracker/st_public.h" +#include "state_tracker/st_context.h" +#include "state_tracker/st_cb_fbo.h" + + +static void +blit_swapbuffers(__DRIdrawablePrivate *dPriv, + __DRIcontextPrivate *cPriv, + struct pipe_surface *src, + const drm_clip_rect_t *rect) +{ + struct dri_screen *screen = dri_screen(dPriv->driScreenPriv); + struct dri_drawable *fb = dri_drawable(dPriv); + struct dri_context *context = dri_context(cPriv); + + const int nbox = dPriv->numClipRects; + const drm_clip_rect_t *pbox = dPriv->pClipRects; + + struct pipe_surface *dest = fb->front_surface; + const int backWidth = fb->stfb->Base.Width; + const int backHeight = fb->stfb->Base.Height; + int i; + + for (i = 0; i < nbox; i++, pbox++) { + drm_clip_rect_t box; + drm_clip_rect_t sbox; + + if (pbox->x1 > pbox->x2 || + pbox->y1 > pbox->y2 || + (pbox->x2 - pbox->x1) > dest->width || + (pbox->y2 - pbox->y1) > dest->height) + continue; + + box = *pbox; + + if (rect) { + drm_clip_rect_t rrect; + + rrect.x1 = dPriv->x + rect->x1; + rrect.y1 = (dPriv->h - rect->y1 - rect->y2) + dPriv->y; + rrect.x2 = rect->x2 + rrect.x1; + rrect.y2 = rect->y2 + rrect.y1; + if (rrect.x1 > box.x1) + box.x1 = rrect.x1; + if (rrect.y1 > box.y1) + box.y1 = rrect.y1; + if (rrect.x2 < box.x2) + box.x2 = rrect.x2; + if (rrect.y2 < box.y2) + box.y2 = rrect.y2; + + if (box.x1 > box.x2 || box.y1 > box.y2) + continue; + } + + /* restrict blit to size of actually rendered area */ + if (box.x2 - box.x1 > backWidth) + box.x2 = backWidth + box.x1; + if (box.y2 - box.y1 > backHeight) + box.y2 = backHeight + box.y1; + + debug_printf("%s: box %d,%d-%d,%d\n", __FUNCTION__, + box.x1, box.y1, box.x2, box.y2); + + sbox.x1 = box.x1 - dPriv->x; + sbox.y1 = box.y1 - dPriv->y; + + ctx->st->pipe->surface_copy( ctx->st->pipe, + FALSE, + dest, + box.x1, box.y1, + src, + sbox.x1, sbox.y1, + box.x2 - box.x1, + box.y2 - box.y1 ); + } +} + +/** + * Display a colorbuffer surface in an X window. + * Used for SwapBuffers and flushing front buffer rendering. + * + * \param dPriv the window/drawable to display into + * \param surf the surface to display + * \param rect optional subrect of surface to display (may be NULL). + */ +void +dri_display_surface(__DRIdrawablePrivate *dPriv, + struct pipe_surface *source, + const drm_clip_rect_t *rect) +{ + struct dri_drawable *drawable = dri_drawable(dPriv); + struct dri_screen *screen = dri_screen(dPriv->driScreenPriv); + struct dri_context *context = screen->dummy_context; + struct pipe_winsys *winsys = screen->winsys; + + if (!context) + return; + + if (drawable->last_swap_fence) { + winsys->fence_finish( winsys, + drawable->last_swap_fence, + 0 ); + + winsys->fence_reference( winsys, + &drawable->last_swap_fence, + NULL ); + } + + drawable->last_swap_fence = drawable->first_swap_fence; + drawable->first_swap_fence = NULL; + + /* The lock_hardware is required for the cliprects. Buffer offsets + * should work regardless. + */ + dri_lock_hardware(context, drawable); + { + if (dPriv->numClipRects) { + blit_swapbuffers( context, dPriv, source, rect ); + } + } + dri_unlock_hardware(context); + + if (drawble->stamp != drawable->dPriv->lastStamp) { + dri_update_window_size( dpriv ); + } +} + + + +/** + * This will be called a drawable is known to have moved/resized. + */ +void +dri_update_window_size(__DRIdrawablePrivate *dPriv) +{ + struct dri_drawable *drawable = dri_drawable(dPriv); + st_resize_framebuffer(drawable->stfb, dPriv->w, dPriv->h); + drawable->stamp = dPriv->lastStamp; +} + + + +void +dri_swap_buffers(__DRIdrawablePrivate * dPriv) +{ + struct dri_drawable *drawable = dri_drawable(dPriv); + struct pipe_surface *back_surf; + + assert(drawable); + assert(drawable->stfb); + + back_surf = st_get_framebuffer_surface(drawable->stfb, + ST_SURFACE_BACK_LEFT); + if (back_surf) { + st_notify_swapbuffers(drawable->stfb); + dri_display_surface(dPriv, back_surf, NULL); + st_notify_swapbuffers_complete(drawable->stfb); + } +} + + +/** + * Called via glXCopySubBufferMESA() to copy a subrect of the back + * buffer to the front buffer/screen. + */ +void +dri_copy_sub_buffer(__DRIdrawablePrivate * dPriv, int x, int y, int w, int h) +{ + struct dri_drawable *drawable = dri_drawable(dPriv); + struct pipe_surface *back_surf; + + assert(drawable); + assert(drawable->stfb); + + back_surf = st_get_framebuffer_surface(drawable->stfb, + ST_SURFACE_BACK_LEFT); + if (back_surf) { + drm_clip_rect_t rect; + rect.x1 = x; + rect.y1 = y; + rect.x2 = w; + rect.y2 = h; + + st_notify_swapbuffers(drawable->stfb); + dri_display_surface(dPriv, back_surf, &rect); + } +} + + + +/* + * The state tracker keeps track of whether the fake frontbuffer has + * been touched by any rendering since the last time we copied its + * contents to the real frontbuffer. Our task is easy: + */ +static void +dri_flush_frontbuffer( struct pipe_winsys *winsys, + struct pipe_surface *surf, + void *context_private) +{ + struct dri_context *dri = (struct dri_context *) context_private; + __DRIdrawablePrivate *dPriv = dri->driDrawable; + + dri_display_surface(dPriv, surf, NULL); +} + + + +/* Need to create a surface which wraps the front surface to support + * client-side swapbuffers. + */ +static void +dri_create_front_surface(struct dri_screen *screen, + struct pipe_winsys *winsys, + unsigned handle) +{ + struct pipe_screen *pipe_screen = screen->pipe_screen; + struct pipe_texture *texture; + struct pipe_texture templat; + struct pipe_surface *surface; + struct pipe_buffer *buffer; + unsigned pitch; + + assert(screen->front.cpp == 4); + +// buffer = dri_buffer_from_handle(screen->winsys, +// "front", handle); + + if (!buffer) + return; + + screen->front.buffer = dri_bo(buffer); + + memset(&templat, 0, sizeof(templat)); + templat.tex_usage |= PIPE_TEXTURE_USAGE_DISPLAY_TARGET; + templat.target = PIPE_TEXTURE_2D; + templat.last_level = 0; + templat.depth[0] = 1; + templat.format = PIPE_FORMAT_A8R8G8B8_UNORM; + templat.width[0] = screen->front.width; + templat.height[0] = screen->front.height; + pf_get_block(templat.format, &templat.block); + pitch = screen->front.pitch; + + texture = pipe_screen->texture_blanket(pipe_screen, + &templat, + &pitch, + buffer); + + /* Unref the buffer we don't need it anyways */ + pipe_buffer_reference(screen, &buffer, NULL); + + surface = pipe_screen->get_tex_surface(pipe_screen, + texture, + 0, + 0, + 0, + PIPE_BUFFER_USAGE_GPU_WRITE); + + screen->front.texture = texture; + screen->front.surface = surface; +} /** * This is called when we need to set up GL rendering to a new X window. @@ -56,8 +351,14 @@ static void dri_destroy_buffer(__DRIdrawablePrivate *dPriv) { struct dri_drawable *drawable = dri_drawable(dPriv); - assert(drawable->stfb); + + /* No particular need to wait on fences before dereferencing them: + */ + winsys->fence_reference( winsys, &ctx->last_swap_fence, NULL ); + winsys->fence_reference( winsys, &ctx->first_swap_fence, NULL ); + st_unreference_framebuffer(drawable->stfb); + FREE(drawable); } diff --git a/src/gallium/state_trackers/glx/dri/dri_swapbuffers.h b/src/gallium/state_trackers/glx/dri/dri_drawable.h similarity index 59% rename from src/gallium/state_trackers/glx/dri/dri_swapbuffers.h rename to src/gallium/state_trackers/glx/dri/dri_drawable.h index 1b8cd857047..cf6b3c8964d 100644 --- a/src/gallium/state_trackers/glx/dri/dri_swapbuffers.h +++ b/src/gallium/state_trackers/glx/dri/dri_drawable.h @@ -25,23 +25,54 @@ * **************************************************************************/ -#ifndef DRI_SWAPBUFFERS_H -#define DRI_SWAPBUFFERS_H +#ifndef DRI_DRAWABLE_H +#define DRI_DRAWABLE_H +#include "pipe/p_compiler.h" struct pipe_surface; +struct pipe_fence; +struct st_framebuffer; -extern void dri_display_surface(__DRIdrawablePrivate * dPriv, - struct pipe_surface *surf, - const drm_clip_rect_t * rect); +struct dri_drawable +{ + __DRIdrawablePrivate *dPriv; + unsigned stamp; -extern void dri_swap_buffers(__DRIdrawablePrivate * dPriv); + struct pipe_fence *last_swap_fence; + struct pipe_fence *first_swap_fence; -extern void dri_copy_sub_buffer(__DRIdrawablePrivate * dPriv, - int x, int y, int w, int h); + struct st_framebuffer *stfb; +}; -extern void dri_update_window_size(__DRIdrawablePrivate *dPriv); + +static INLINE struct dri_drawable * +dri_drawable(__DRIdrawablePrivate * driDrawPriv) +{ + return (struct dri_drawable *) driDrawPriv->driverPrivate; +} + + +/*********************************************************************** + * dri_drawable.c + */ + +void +dri_display_surface(__DRIdrawablePrivate * dPriv, + struct pipe_surface *surf, + const drm_clip_rect_t * rect); + +void +dri_swap_buffers(__DRIdrawablePrivate * dPriv); + +void +dri_copy_sub_buffer(__DRIdrawablePrivate * dPriv, + int x, int y, + int w, int h); + +void +dri_update_window_size(__DRIdrawablePrivate *dPriv); #endif diff --git a/src/gallium/state_trackers/glx/dri/dri_lock.c b/src/gallium/state_trackers/glx/dri/dri_lock.c index 9d7bd61e282..b272ab55f34 100644 --- a/src/gallium/state_trackers/glx/dri/dri_lock.c +++ b/src/gallium/state_trackers/glx/dri/dri_lock.c @@ -37,7 +37,7 @@ dri_contended_lock(struct dri_context *ctx) { __DRIdrawablePrivate *dPriv = ctx->dPriv; __DRIcontextPrivate *cPriv = ctx->cPriv; - __DRIscreenPrivate *sPriv = ctx->sPriv; + __DRIscreenPrivate *sPriv = cPriv->driScreenPriv; drmGetLock(sPriv->fd, cPriv->hHWContext, 0); @@ -53,8 +53,8 @@ dri_contended_lock(struct dri_context *ctx) */ void dri_lock_hardware( struct dri_context *ctx ) { - __DRIscreenPrivate *sPriv = ctx->sPriv; __DRIcontextPrivate *cPriv = ctx->cPriv; + __DRIscreenPrivate *sPriv = cPriv->driScreenPriv; char __ret = 0; pipe_mutex_lock(lockMutex); @@ -76,8 +76,8 @@ void dri_lock_hardware( struct dri_context *ctx ) */ void dri_unlock_hardware( struct dri_context *ctx ) { - __DRIscreenPrivate *sPriv = ctx->sPriv; __DRIcontextPrivate *cPriv = ctx->cPriv; + __DRIscreenPrivate *sPriv = cPriv->driScreenPriv; assert(ctx->locked); ctx->locked = FALSE; diff --git a/src/gallium/state_trackers/glx/dri/dri_screen.h b/src/gallium/state_trackers/glx/dri/dri_screen.h index 8909c920e42..12ed86d22a9 100644 --- a/src/gallium/state_trackers/glx/dri/dri_screen.h +++ b/src/gallium/state_trackers/glx/dri/dri_screen.h @@ -79,20 +79,5 @@ dri_screen(__DRIscreenPrivate *sPriv) } -extern void dri_destroy_context(__DRIcontextPrivate * driContextPriv); - -extern boolean dri_unbind_context(__DRIcontextPrivate * driContextPriv); - -extern boolean -dri_make_current(__DRIcontextPrivate * driContextPriv, - __DRIdrawablePrivate * driDrawPriv, - __DRIdrawablePrivate * driReadPriv); - - -extern boolean -dri_create_context(const __GLcontextModes * visual, - __DRIcontextPrivate * driContextPriv, - void *sharedContextPrivate); - #endif diff --git a/src/gallium/state_trackers/glx/dri/dri_swapbuffers.c b/src/gallium/state_trackers/glx/dri/dri_swapbuffers.c deleted file mode 100644 index 6b2b9301344..00000000000 --- a/src/gallium/state_trackers/glx/dri/dri_swapbuffers.c +++ /dev/null @@ -1,295 +0,0 @@ -/************************************************************************** - * - * Copyright 2009, VMware, Inc. - * 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, sub license, 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 NON-INFRINGEMENT. - * IN NO EVENT SHALL TUNGSTEN GRAPHICS 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 "dri_screen.h" -#include "dri_context.h" -#include "dri_swapbuffers.h" - -#include "pipe/p_context.h" -#include "state_tracker/st_public.h" -#include "state_tracker/st_context.h" -#include "state_tracker/st_cb_fbo.h" - - -static void -blit_swapbuffers(__DRIdrawablePrivate *dPriv, - __DRIcontextPrivate *cPriv, - struct pipe_surface *src, - const drm_clip_rect_t *rect) -{ - struct dri_screen *screen = dri_screen(dPriv->driScreenPriv); - struct dri_drawable *fb = dri_drawable(dPriv); - struct dri_context *context = dri_context(cPriv); - - const int nbox = dPriv->numClipRects; - const drm_clip_rect_t *pbox = dPriv->pClipRects; - - struct pipe_surface *dest = fb->front_surface; - const int backWidth = fb->stfb->Base.Width; - const int backHeight = fb->stfb->Base.Height; - int i; - - for (i = 0; i < nbox; i++, pbox++) { - drm_clip_rect_t box; - drm_clip_rect_t sbox; - - if (pbox->x1 > pbox->x2 || - pbox->y1 > pbox->y2 || - (pbox->x2 - pbox->x1) > dest->width || - (pbox->y2 - pbox->y1) > dest->height) - continue; - - box = *pbox; - - if (rect) { - drm_clip_rect_t rrect; - - rrect.x1 = dPriv->x + rect->x1; - rrect.y1 = (dPriv->h - rect->y1 - rect->y2) + dPriv->y; - rrect.x2 = rect->x2 + rrect.x1; - rrect.y2 = rect->y2 + rrect.y1; - if (rrect.x1 > box.x1) - box.x1 = rrect.x1; - if (rrect.y1 > box.y1) - box.y1 = rrect.y1; - if (rrect.x2 < box.x2) - box.x2 = rrect.x2; - if (rrect.y2 < box.y2) - box.y2 = rrect.y2; - - if (box.x1 > box.x2 || box.y1 > box.y2) - continue; - } - - /* restrict blit to size of actually rendered area */ - if (box.x2 - box.x1 > backWidth) - box.x2 = backWidth + box.x1; - if (box.y2 - box.y1 > backHeight) - box.y2 = backHeight + box.y1; - - debug_printf("%s: box %d,%d-%d,%d\n", __FUNCTION__, - box.x1, box.y1, box.x2, box.y2); - - sbox.x1 = box.x1 - dPriv->x; - sbox.y1 = box.y1 - dPriv->y; - - ctx->st->pipe->surface_copy( ctx->st->pipe, - FALSE, - dest, - box.x1, box.y1, - src, - sbox.x1, sbox.y1, - box.x2 - box.x1, - box.y2 - box.y1 ); - } -} - -/** - * Display a colorbuffer surface in an X window. - * Used for SwapBuffers and flushing front buffer rendering. - * - * \param dPriv the window/drawable to display into - * \param surf the surface to display - * \param rect optional subrect of surface to display (may be NULL). - */ -void -dri_display_surface(__DRIdrawablePrivate *dPriv, - struct pipe_surface *source, - const drm_clip_rect_t *rect) -{ - struct dri_drawable *drawable = dri_drawable(dPriv); - struct dri_screen *screen = dri_screen(dPriv->driScreenPriv); - struct dri_context *context = screen->dummy_context; - struct pipe_winsys *winsys = screen->winsys; - - if (!context) - return; - - if (drawable->last_swap_fence) { - winsys->fence_finish( winsys, - drawable->last_swap_fence, - 0 ); - - winsys->fence_reference( winsys, - &drawable->last_swap_fence, - NULL ); - } - - drawable->last_swap_fence = drawable->first_swap_fence; - drawable->first_swap_fence = NULL; - - /* The lock_hardware is required for the cliprects. Buffer offsets - * should work regardless. - */ - dri_lock_hardware(context, drawable); - { - if (dPriv->numClipRects) { - blit_swapbuffers( context, dPriv, source, rect ); - } - } - dri_unlock_hardware(context); - - if (drawble->stamp != drawable->dPriv->lastStamp) { - dri_update_window_size( dpriv ); - } -} - - - -/** - * This will be called a drawable is known to have moved/resized. - */ -void -dri_update_window_size(__DRIdrawablePrivate *dPriv) -{ - struct dri_drawable *drawable = dri_drawable(dPriv); - st_resize_framebuffer(drawable->stfb, dPriv->w, dPriv->h); - drawable->stamp = dPriv->lastStamp; -} - - - -void -dri_swap_buffers(__DRIdrawablePrivate * dPriv) -{ - struct dri_drawable *drawable = dri_drawable(dPriv); - struct pipe_surface *back_surf; - - assert(drawable); - assert(drawable->stfb); - - back_surf = st_get_framebuffer_surface(drawable->stfb, - ST_SURFACE_BACK_LEFT); - if (back_surf) { - st_notify_swapbuffers(drawable->stfb); - dri_display_surface(dPriv, back_surf, NULL); - st_notify_swapbuffers_complete(drawable->stfb); - } -} - - -/** - * Called via glXCopySubBufferMESA() to copy a subrect of the back - * buffer to the front buffer/screen. - */ -void -dri_copy_sub_buffer(__DRIdrawablePrivate * dPriv, int x, int y, int w, int h) -{ - struct dri_drawable *drawable = dri_drawable(dPriv); - struct pipe_surface *back_surf; - - assert(drawable); - assert(drawable->stfb); - - back_surf = st_get_framebuffer_surface(drawable->stfb, - ST_SURFACE_BACK_LEFT); - if (back_surf) { - drm_clip_rect_t rect; - rect.x1 = x; - rect.y1 = y; - rect.x2 = w; - rect.y2 = h; - - st_notify_swapbuffers(drawable->stfb); - dri_display_surface(dPriv, back_surf, &rect); - } -} - - - -/* - * The state tracker keeps track of whether the fake frontbuffer has - * been touched by any rendering since the last time we copied its - * contents to the real frontbuffer. Our task is easy: - */ -static void -dri_flush_frontbuffer( struct pipe_winsys *winsys, - struct pipe_surface *surf, - void *context_private) -{ - struct dri_context *dri = (struct dri_context *) context_private; - __DRIdrawablePrivate *dPriv = dri->driDrawable; - - dri_display_surface(dPriv, surf, NULL); -} - - - -/* Need to create a surface which wraps the front surface to support - * client-side swapbuffers. - */ -static void -dri_create_front_surface(struct dri_screen *screen, - struct pipe_winsys *winsys, - unsigned handle) -{ - struct pipe_screen *pipe_screen = screen->pipe_screen; - struct pipe_texture *texture; - struct pipe_texture templat; - struct pipe_surface *surface; - struct pipe_buffer *buffer; - unsigned pitch; - - assert(screen->front.cpp == 4); - -// buffer = dri_buffer_from_handle(screen->winsys, -// "front", handle); - - if (!buffer) - return; - - screen->front.buffer = dri_bo(buffer); - - memset(&templat, 0, sizeof(templat)); - templat.tex_usage |= PIPE_TEXTURE_USAGE_DISPLAY_TARGET; - templat.target = PIPE_TEXTURE_2D; - templat.last_level = 0; - templat.depth[0] = 1; - templat.format = PIPE_FORMAT_A8R8G8B8_UNORM; - templat.width[0] = screen->front.width; - templat.height[0] = screen->front.height; - pf_get_block(templat.format, &templat.block); - pitch = screen->front.pitch; - - texture = pipe_screen->texture_blanket(pipe_screen, - &templat, - &pitch, - buffer); - - /* Unref the buffer we don't need it anyways */ - pipe_buffer_reference(screen, &buffer, NULL); - - surface = pipe_screen->get_tex_surface(pipe_screen, - texture, - 0, - 0, - 0, - PIPE_BUFFER_USAGE_GPU_WRITE); - - screen->front.texture = texture; - screen->front.surface = surface; -} -- 2.30.2