| /************************************************************************** |
| * |
| * 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 VMWARE 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. |
| * |
| **************************************************************************/ |
| /* |
| * Author: Keith Whitwell <keithw@vmware.com> |
| * Author: Jakob Bornecrantz <wallbraker@gmail.com> |
| */ |
| |
| #include "dri_screen.h" |
| #include "dri_context.h" |
| #include "dri_drawable.h" |
| |
| #include "pipe/p_context.h" |
| #include "pipe/p_screen.h" |
| #include "pipe/p_inlines.h" |
| #include "main/mtypes.h" |
| #include "main/renderbuffer.h" |
| #include "state_tracker/drm_api.h" |
| #include "state_tracker/dri1_api.h" |
| #include "state_tracker/st_public.h" |
| #include "state_tracker/st_context.h" |
| #include "state_tracker/st_cb_fbo.h" |
| |
| #include "util/u_memory.h" |
| #include "util/u_rect.h" |
| |
| static struct pipe_surface * |
| dri_surface_from_handle(struct drm_api *api, |
| struct pipe_screen *screen, |
| unsigned handle, |
| enum pipe_format format, |
| unsigned width, unsigned height, unsigned pitch) |
| { |
| struct pipe_surface *surface = NULL; |
| struct pipe_texture *texture = NULL; |
| struct pipe_texture templat; |
| |
| memset(&templat, 0, sizeof(templat)); |
| templat.tex_usage |= PIPE_TEXTURE_USAGE_RENDER_TARGET; |
| templat.target = PIPE_TEXTURE_2D; |
| templat.last_level = 0; |
| templat.depth[0] = 1; |
| templat.format = format; |
| templat.width[0] = width; |
| templat.height[0] = height; |
| pf_get_block(templat.format, &templat.block); |
| |
| texture = api->texture_from_shared_handle(api, screen, &templat, |
| "dri2 buffer", pitch, handle); |
| |
| if (!texture) { |
| debug_printf("%s: Failed to blanket the buffer with a texture\n", __func__); |
| return NULL; |
| } |
| |
| surface = screen->get_tex_surface(screen, texture, 0, 0, 0, |
| PIPE_BUFFER_USAGE_GPU_READ | |
| PIPE_BUFFER_USAGE_GPU_WRITE); |
| |
| /* we don't need the texture from this point on */ |
| pipe_texture_reference(&texture, NULL); |
| return surface; |
| } |
| |
| /** |
| * Pixmaps have will have the same name of fake front and front. |
| */ |
| static boolean |
| dri2_check_if_pixmap(__DRIbuffer *buffers, int count) |
| { |
| boolean found = FALSE; |
| boolean is_pixmap = FALSE; |
| unsigned name; |
| int i; |
| |
| for (i = 0; i < count; i++) { |
| switch (buffers[i].attachment) { |
| case __DRI_BUFFER_FRONT_LEFT: |
| case __DRI_BUFFER_FAKE_FRONT_LEFT: |
| if (found) { |
| is_pixmap = buffers[i].name == name; |
| } else { |
| name = buffers[i].name; |
| found = TRUE; |
| } |
| default: |
| continue; |
| } |
| } |
| |
| return is_pixmap; |
| } |
| |
| /** |
| * This will be called a drawable is known to have been resized. |
| */ |
| void |
| dri_get_buffers(__DRIdrawablePrivate * dPriv) |
| { |
| |
| struct dri_drawable *drawable = dri_drawable(dPriv); |
| struct pipe_surface *surface = NULL; |
| struct pipe_screen *screen = dri_screen(drawable->sPriv)->pipe_screen; |
| __DRIbuffer *buffers = NULL; |
| __DRIscreen *dri_screen = drawable->sPriv; |
| __DRIdrawable *dri_drawable = drawable->dPriv; |
| struct drm_api *api = ((struct dri_screen*)(dri_screen->private))->api; |
| boolean have_depth = FALSE; |
| int i, count; |
| |
| buffers = (*dri_screen->dri2.loader->getBuffers) (dri_drawable, |
| &dri_drawable->w, |
| &dri_drawable->h, |
| drawable->attachments, |
| drawable-> |
| num_attachments, &count, |
| dri_drawable-> |
| loaderPrivate); |
| |
| if (buffers == NULL) { |
| return; |
| } |
| |
| /* set one cliprect to cover the whole dri_drawable */ |
| dri_drawable->x = 0; |
| dri_drawable->y = 0; |
| dri_drawable->backX = 0; |
| dri_drawable->backY = 0; |
| dri_drawable->numClipRects = 1; |
| dri_drawable->pClipRects[0].x1 = 0; |
| dri_drawable->pClipRects[0].y1 = 0; |
| dri_drawable->pClipRects[0].x2 = dri_drawable->w; |
| dri_drawable->pClipRects[0].y2 = dri_drawable->h; |
| dri_drawable->numBackClipRects = 1; |
| dri_drawable->pBackClipRects[0].x1 = 0; |
| dri_drawable->pBackClipRects[0].y1 = 0; |
| dri_drawable->pBackClipRects[0].x2 = dri_drawable->w; |
| dri_drawable->pBackClipRects[0].y2 = dri_drawable->h; |
| |
| if (drawable->old_num == count && |
| drawable->old_w == dri_drawable->w && |
| drawable->old_h == dri_drawable->h && |
| memcmp(drawable->old, buffers, sizeof(__DRIbuffer) * count) == 0) { |
| return; |
| } else { |
| drawable->old_num = count; |
| drawable->old_w = dri_drawable->w; |
| drawable->old_h = dri_drawable->h; |
| memcpy(drawable->old, buffers, sizeof(__DRIbuffer) * count); |
| } |
| |
| drawable->is_pixmap = dri2_check_if_pixmap(buffers, count); |
| |
| for (i = 0; i < count; i++) { |
| enum pipe_format format = 0; |
| int index = 0; |
| |
| switch (buffers[i].attachment) { |
| case __DRI_BUFFER_FRONT_LEFT: |
| case __DRI_BUFFER_FAKE_FRONT_LEFT: |
| index = ST_SURFACE_FRONT_LEFT; |
| format = drawable->color_format; |
| break; |
| case __DRI_BUFFER_BACK_LEFT: |
| index = ST_SURFACE_BACK_LEFT; |
| format = drawable->color_format; |
| break; |
| case __DRI_BUFFER_DEPTH: |
| case __DRI_BUFFER_DEPTH_STENCIL: |
| case __DRI_BUFFER_STENCIL: |
| index = ST_SURFACE_DEPTH; |
| format = drawable->depth_stencil_format; |
| break; |
| case __DRI_BUFFER_ACCUM: |
| default: |
| assert(0); |
| } |
| |
| if (index == ST_SURFACE_DEPTH) { |
| if (have_depth) |
| continue; |
| else |
| have_depth = TRUE; |
| } |
| |
| surface = dri_surface_from_handle(api, |
| screen, |
| buffers[i].name, |
| format, |
| dri_drawable->w, |
| dri_drawable->h, buffers[i].pitch); |
| |
| switch (buffers[i].attachment) { |
| case __DRI_BUFFER_FRONT_LEFT: |
| case __DRI_BUFFER_FAKE_FRONT_LEFT: |
| case __DRI_BUFFER_BACK_LEFT: |
| drawable->color_format = surface->format; |
| break; |
| case __DRI_BUFFER_DEPTH: |
| case __DRI_BUFFER_DEPTH_STENCIL: |
| case __DRI_BUFFER_STENCIL: |
| drawable->depth_stencil_format = surface->format; |
| break; |
| case __DRI_BUFFER_ACCUM: |
| default: |
| assert(0); |
| } |
| |
| st_set_framebuffer_surface(drawable->stfb, index, surface); |
| pipe_surface_reference(&surface, NULL); |
| } |
| /* this needed, or else the state tracker fails to pick the new buffers */ |
| st_resize_framebuffer(drawable->stfb, dri_drawable->w, dri_drawable->h); |
| } |
| |
| /** |
| * These are used for GLX_EXT_texture_from_pixmap |
| */ |
| void dri2_set_tex_buffer2(__DRIcontext *pDRICtx, GLint target, |
| GLint format, __DRIdrawable *dPriv) |
| { |
| struct dri_drawable *drawable = dri_drawable(dPriv); |
| struct pipe_surface *ps; |
| |
| if (!drawable->stfb->Base.Attachment[BUFFER_FRONT_LEFT].Renderbuffer) { |
| struct gl_renderbuffer *rb = |
| st_new_renderbuffer_fb(drawable->color_format, 0 /*XXX*/, FALSE); |
| _mesa_add_renderbuffer(&drawable->stfb->Base, BUFFER_FRONT_LEFT, rb); |
| } |
| |
| dri_get_buffers(drawable->dPriv); |
| st_get_framebuffer_surface(drawable->stfb, ST_SURFACE_FRONT_LEFT, &ps); |
| |
| if (!ps) |
| return; |
| |
| st_bind_texture_surface(ps, target == GL_TEXTURE_2D ? ST_TEXTURE_2D : |
| ST_TEXTURE_RECT, 0, drawable->color_format); |
| } |
| |
| void dri2_set_tex_buffer(__DRIcontext *pDRICtx, GLint target, |
| __DRIdrawable *dPriv) |
| { |
| dri2_set_tex_buffer2(pDRICtx, target, GLX_TEXTURE_FORMAT_RGBA_EXT, dPriv); |
| } |
| |
| void |
| dri_flush_frontbuffer(struct pipe_screen *screen, |
| struct pipe_surface *surf, void *context_private) |
| { |
| struct dri_context *ctx = (struct dri_context *)context_private; |
| struct dri_drawable *drawable = dri_drawable(ctx->dPriv); |
| __DRIdrawable *dri_drawable = ctx->dPriv; |
| __DRIscreen *dri_screen = ctx->sPriv; |
| |
| /* XXX Does this function get called with DRI1? */ |
| |
| if (ctx->dPriv == NULL) { |
| debug_printf("%s: no drawable bound to context\n", __func__); |
| return; |
| } |
| |
| #if 0 |
| /* TODO if rendering to pixmaps is slow enable this code. */ |
| if (drawable->is_pixmap) |
| return; |
| #else |
| (void)drawable; |
| #endif |
| |
| (*dri_screen->dri2.loader->flushFrontBuffer)(dri_drawable, |
| dri_drawable->loaderPrivate); |
| } |
| |
| /** |
| * This is called when we need to set up GL rendering to a new X window. |
| */ |
| boolean |
| dri_create_buffer(__DRIscreenPrivate * sPriv, |
| __DRIdrawablePrivate * dPriv, |
| const __GLcontextModes * visual, boolean isPixmap) |
| { |
| struct dri_screen *screen = sPriv->private; |
| struct dri_drawable *drawable = NULL; |
| int i; |
| |
| if (isPixmap) |
| goto fail; /* not implemented */ |
| |
| drawable = CALLOC_STRUCT(dri_drawable); |
| if (drawable == NULL) |
| goto fail; |
| |
| if (visual->redBits == 8) { |
| if (visual->alphaBits == 8) |
| drawable->color_format = PIPE_FORMAT_A8R8G8B8_UNORM; |
| else |
| drawable->color_format = PIPE_FORMAT_X8R8G8B8_UNORM; |
| } else { |
| drawable->color_format = PIPE_FORMAT_R5G6B5_UNORM; |
| } |
| |
| switch(visual->depthBits) { |
| default: |
| case 0: |
| drawable->depth_stencil_format = PIPE_FORMAT_NONE; |
| break; |
| case 16: |
| drawable->depth_stencil_format = PIPE_FORMAT_Z16_UNORM; |
| break; |
| case 24: |
| if (visual->stencilBits == 0) { |
| drawable->depth_stencil_format = (screen->d_depth_bits_last) ? |
| PIPE_FORMAT_X8Z24_UNORM: |
| PIPE_FORMAT_Z24X8_UNORM; |
| } else { |
| drawable->depth_stencil_format = (screen->sd_depth_bits_last) ? |
| PIPE_FORMAT_S8Z24_UNORM: |
| PIPE_FORMAT_Z24S8_UNORM; |
| } |
| break; |
| case 32: |
| drawable->depth_stencil_format = PIPE_FORMAT_Z32_UNORM; |
| break; |
| } |
| |
| drawable->stfb = st_create_framebuffer(visual, |
| drawable->color_format, |
| drawable->depth_stencil_format, |
| drawable->depth_stencil_format, |
| dPriv->w, |
| dPriv->h, (void *)drawable); |
| if (drawable->stfb == NULL) |
| goto fail; |
| |
| drawable->sPriv = sPriv; |
| drawable->dPriv = dPriv; |
| dPriv->driverPrivate = (void *)drawable; |
| |
| /* setup dri2 buffers information */ |
| /* TODO incase of double buffer visual, delay fake creation */ |
| i = 0; |
| drawable->attachments[i++] = __DRI_BUFFER_FRONT_LEFT; |
| |
| if (visual->doubleBufferMode) |
| drawable->attachments[i++] = __DRI_BUFFER_BACK_LEFT; |
| if (visual->depthBits && visual->stencilBits) |
| drawable->attachments[i++] = __DRI_BUFFER_DEPTH_STENCIL; |
| else if (visual->depthBits) |
| drawable->attachments[i++] = __DRI_BUFFER_DEPTH; |
| else if (visual->stencilBits) |
| drawable->attachments[i++] = __DRI_BUFFER_STENCIL; |
| drawable->num_attachments = i; |
| |
| drawable->desired_fences = 2; |
| |
| return GL_TRUE; |
| fail: |
| FREE(drawable); |
| return GL_FALSE; |
| } |
| |
| static struct pipe_fence_handle * |
| dri_swap_fences_pop_front(struct dri_drawable *draw) |
| { |
| struct pipe_screen *screen = dri_screen(draw->sPriv)->pipe_screen; |
| struct pipe_fence_handle *fence = NULL; |
| |
| if (draw->cur_fences >= draw->desired_fences) { |
| screen->fence_reference(screen, &fence, draw->swap_fences[draw->tail]); |
| screen->fence_reference(screen, &draw->swap_fences[draw->tail++], NULL); |
| --draw->cur_fences; |
| draw->tail &= DRI_SWAP_FENCES_MASK; |
| } |
| return fence; |
| } |
| |
| static void |
| dri_swap_fences_push_back(struct dri_drawable *draw, |
| struct pipe_fence_handle *fence) |
| { |
| struct pipe_screen *screen = dri_screen(draw->sPriv)->pipe_screen; |
| |
| if (!fence) |
| return; |
| |
| if (draw->cur_fences < DRI_SWAP_FENCES_MAX) { |
| draw->cur_fences++; |
| screen->fence_reference(screen, &draw->swap_fences[draw->head++], |
| fence); |
| draw->head &= DRI_SWAP_FENCES_MASK; |
| } |
| } |
| |
| void |
| dri_destroy_buffer(__DRIdrawablePrivate * dPriv) |
| { |
| struct dri_drawable *drawable = dri_drawable(dPriv); |
| struct pipe_fence_handle *fence; |
| struct pipe_screen *screen = dri_screen(drawable->sPriv)->pipe_screen; |
| |
| st_unreference_framebuffer(drawable->stfb); |
| drawable->desired_fences = 0; |
| while (drawable->cur_fences) { |
| fence = dri_swap_fences_pop_front(drawable); |
| screen->fence_reference(screen, &fence, NULL); |
| } |
| |
| FREE(drawable); |
| } |
| |
| static void |
| dri1_update_drawables_locked(struct dri_context *ctx, |
| __DRIdrawablePrivate * driDrawPriv, |
| __DRIdrawablePrivate * driReadPriv) |
| { |
| if (ctx->stLostLock) { |
| ctx->stLostLock = FALSE; |
| if (driDrawPriv == driReadPriv) |
| DRI_VALIDATE_DRAWABLE_INFO(ctx->sPriv, driDrawPriv); |
| else |
| DRI_VALIDATE_TWO_DRAWABLES_INFO(ctx->sPriv, driDrawPriv, |
| driReadPriv); |
| } |
| } |
| |
| /** |
| * This ensures all contexts which bind to a drawable pick up the |
| * drawable change and signal new buffer state. |
| * Calling st_resize_framebuffer for each context may seem like overkill, |
| * but no new buffers will actually be allocated if the dimensions don't |
| * change. |
| */ |
| |
| static void |
| dri1_propagate_drawable_change(struct dri_context *ctx) |
| { |
| __DRIdrawablePrivate *dPriv = ctx->dPriv; |
| __DRIdrawablePrivate *rPriv = ctx->rPriv; |
| boolean flushed = FALSE; |
| |
| if (dPriv && ctx->d_stamp != dPriv->lastStamp) { |
| |
| st_flush(ctx->st, PIPE_FLUSH_RENDER_CACHE, NULL); |
| flushed = TRUE; |
| ctx->d_stamp = dPriv->lastStamp; |
| st_resize_framebuffer(dri_drawable(dPriv)->stfb, dPriv->w, dPriv->h); |
| |
| } |
| |
| if (rPriv && dPriv != rPriv && ctx->r_stamp != rPriv->lastStamp) { |
| |
| if (!flushed) |
| st_flush(ctx->st, PIPE_FLUSH_RENDER_CACHE, NULL); |
| ctx->r_stamp = rPriv->lastStamp; |
| st_resize_framebuffer(dri_drawable(rPriv)->stfb, rPriv->w, rPriv->h); |
| |
| } else if (rPriv && dPriv == rPriv) { |
| |
| ctx->r_stamp = ctx->d_stamp; |
| |
| } |
| } |
| |
| void |
| dri1_update_drawables(struct dri_context *ctx, |
| struct dri_drawable *draw, struct dri_drawable *read) |
| { |
| dri_lock(ctx); |
| dri1_update_drawables_locked(ctx, draw->dPriv, read->dPriv); |
| dri_unlock(ctx); |
| |
| dri1_propagate_drawable_change(ctx); |
| } |
| |
| static INLINE boolean |
| dri1_intersect_src_bbox(struct drm_clip_rect *dst, |
| int dst_x, |
| int dst_y, |
| const struct drm_clip_rect *src, |
| const struct drm_clip_rect *bbox) |
| { |
| int xy1; |
| int xy2; |
| |
| xy1 = ((int)src->x1 > (int)bbox->x1 + dst_x) ? src->x1 : |
| (int)bbox->x1 + dst_x; |
| xy2 = ((int)src->x2 < (int)bbox->x2 + dst_x) ? src->x2 : |
| (int)bbox->x2 + dst_x; |
| if (xy1 >= xy2 || xy1 < 0) |
| return FALSE; |
| |
| dst->x1 = xy1; |
| dst->x2 = xy2; |
| |
| xy1 = ((int)src->y1 > (int)bbox->y1 + dst_y) ? src->y1 : |
| (int)bbox->y1 + dst_y; |
| xy2 = ((int)src->y2 < (int)bbox->y2 + dst_y) ? src->y2 : |
| (int)bbox->y2 + dst_y; |
| if (xy1 >= xy2 || xy1 < 0) |
| return FALSE; |
| |
| dst->y1 = xy1; |
| dst->y2 = xy2; |
| return TRUE; |
| } |
| |
| static void |
| dri1_swap_copy(struct dri_context *ctx, |
| struct pipe_surface *dst, |
| struct pipe_surface *src, |
| __DRIdrawablePrivate * dPriv, const struct drm_clip_rect *bbox) |
| { |
| struct pipe_context *pipe = ctx->pipe; |
| struct drm_clip_rect clip; |
| struct drm_clip_rect *cur; |
| int i; |
| |
| cur = dPriv->pClipRects; |
| |
| for (i = 0; i < dPriv->numClipRects; ++i) { |
| if (dri1_intersect_src_bbox(&clip, dPriv->x, dPriv->y, cur++, bbox)) { |
| if (pipe->surface_copy) { |
| pipe->surface_copy(pipe, dst, clip.x1, clip.y1, |
| src, |
| (int)clip.x1 - dPriv->x, |
| (int)clip.y1 - dPriv->y, |
| clip.x2 - clip.x1, clip.y2 - clip.y1); |
| } else { |
| util_surface_copy(pipe, FALSE, dst, clip.x1, clip.y1, |
| src, |
| (int)clip.x1 - dPriv->x, |
| (int)clip.y1 - dPriv->y, |
| clip.x2 - clip.x1, clip.y2 - clip.y1); |
| } |
| } |
| } |
| } |
| |
| static void |
| dri1_copy_to_front(struct dri_context *ctx, |
| struct pipe_surface *surf, |
| __DRIdrawablePrivate * dPriv, |
| const struct drm_clip_rect *sub_box, |
| struct pipe_fence_handle **fence) |
| { |
| struct pipe_context *pipe = ctx->pipe; |
| boolean save_lost_lock; |
| uint cur_w; |
| uint cur_h; |
| struct drm_clip_rect bbox; |
| boolean visible = TRUE; |
| |
| *fence = NULL; |
| |
| dri_lock(ctx); |
| save_lost_lock = ctx->stLostLock; |
| dri1_update_drawables_locked(ctx, dPriv, dPriv); |
| st_get_framebuffer_dimensions(dri_drawable(dPriv)->stfb, &cur_w, &cur_h); |
| |
| bbox.x1 = 0; |
| bbox.x2 = cur_w; |
| bbox.y1 = 0; |
| bbox.y2 = cur_h; |
| |
| if (sub_box) |
| visible = dri1_intersect_src_bbox(&bbox, 0, 0, &bbox, sub_box); |
| |
| if (visible && __dri1_api_hooks->present_locked) { |
| |
| __dri1_api_hooks->present_locked(pipe, |
| surf, |
| dPriv->pClipRects, |
| dPriv->numClipRects, |
| dPriv->x, dPriv->y, &bbox, fence); |
| |
| } else if (visible && __dri1_api_hooks->front_srf_locked) { |
| |
| struct pipe_surface *front = __dri1_api_hooks->front_srf_locked(pipe); |
| |
| if (front) |
| dri1_swap_copy(ctx, front, surf, dPriv, &bbox); |
| |
| st_flush(ctx->st, PIPE_FLUSH_RENDER_CACHE, fence); |
| } |
| |
| ctx->stLostLock = save_lost_lock; |
| |
| /** |
| * FIXME: Revisit this: Update drawables on copy_sub_buffer ? |
| */ |
| |
| if (!sub_box) |
| dri1_update_drawables_locked(ctx, ctx->dPriv, ctx->rPriv); |
| |
| dri_unlock(ctx); |
| dri1_propagate_drawable_change(ctx); |
| } |
| |
| void |
| dri1_flush_frontbuffer(struct pipe_screen *screen, |
| struct pipe_surface *surf, void *context_private) |
| { |
| struct dri_context *ctx = (struct dri_context *)context_private; |
| struct pipe_fence_handle *dummy_fence; |
| |
| dri1_copy_to_front(ctx, surf, ctx->dPriv, NULL, &dummy_fence); |
| screen->fence_reference(screen, &dummy_fence, NULL); |
| |
| /** |
| * FIXME: Do we need swap throttling here? |
| */ |
| } |
| |
| void |
| dri_swap_buffers(__DRIdrawablePrivate * dPriv) |
| { |
| struct dri_context *ctx; |
| struct pipe_surface *back_surf; |
| struct dri_drawable *draw = dri_drawable(dPriv); |
| struct pipe_screen *screen = dri_screen(draw->sPriv)->pipe_screen; |
| struct pipe_fence_handle *fence; |
| struct st_context *st = st_get_current(); |
| |
| assert(__dri1_api_hooks != NULL); |
| |
| if (!st) |
| return; /* For now */ |
| |
| ctx = (struct dri_context *)st->pipe->priv; |
| |
| st_get_framebuffer_surface(draw->stfb, ST_SURFACE_BACK_LEFT, &back_surf); |
| if (back_surf) { |
| st_notify_swapbuffers(draw->stfb); |
| st_flush(ctx->st, PIPE_FLUSH_RENDER_CACHE, NULL); |
| fence = dri_swap_fences_pop_front(draw); |
| if (fence) { |
| (void)screen->fence_finish(screen, fence, 0); |
| screen->fence_reference(screen, &fence, NULL); |
| } |
| dri1_copy_to_front(ctx, back_surf, dPriv, NULL, &fence); |
| dri_swap_fences_push_back(draw, fence); |
| screen->fence_reference(screen, &fence, NULL); |
| } |
| } |
| |
| void |
| dri_copy_sub_buffer(__DRIdrawablePrivate * dPriv, int x, int y, int w, int h) |
| { |
| struct pipe_screen *screen = dri_screen(dPriv->driScreenPriv)->pipe_screen; |
| struct drm_clip_rect sub_bbox; |
| struct dri_context *ctx; |
| struct pipe_surface *back_surf; |
| struct dri_drawable *draw = dri_drawable(dPriv); |
| struct pipe_fence_handle *dummy_fence; |
| struct st_context *st = st_get_current(); |
| |
| assert(__dri1_api_hooks != NULL); |
| |
| if (!st) |
| return; |
| |
| ctx = (struct dri_context *)st->pipe->priv; |
| |
| sub_bbox.x1 = x; |
| sub_bbox.x2 = x + w; |
| sub_bbox.y1 = y; |
| sub_bbox.y2 = y + h; |
| |
| st_get_framebuffer_surface(draw->stfb, ST_SURFACE_BACK_LEFT, &back_surf); |
| if (back_surf) { |
| st_flush(ctx->st, PIPE_FLUSH_RENDER_CACHE, NULL); |
| dri1_copy_to_front(ctx, back_surf, dPriv, &sub_bbox, &dummy_fence); |
| screen->fence_reference(screen, &dummy_fence, NULL); |
| } |
| } |
| |
| /* vim: set sw=3 ts=8 sts=3 expandtab: */ |