From a437bc50f2f8ff6e91fdf4dc9758b35cff35645a Mon Sep 17 00:00:00 2001 From: Chia-I Wu Date: Tue, 16 Mar 2010 10:25:50 +0800 Subject: st/dri: Move DRI1 bits in dri_drawable.c to dri1.c. --- src/gallium/state_trackers/dri/dri1.c | 314 ++++++++++++++++++++++++++++++++++ 1 file changed, 314 insertions(+) (limited to 'src/gallium/state_trackers/dri/dri1.c') diff --git a/src/gallium/state_trackers/dri/dri1.c b/src/gallium/state_trackers/dri/dri1.c index 1222f42e23..2d809459ca 100644 --- a/src/gallium/state_trackers/dri/dri1.c +++ b/src/gallium/state_trackers/dri/dri1.c @@ -30,12 +30,326 @@ */ #include "util/u_memory.h" +#include "util/u_rect.h" +#include "pipe/p_context.h" +#include "state_tracker/st_context.h" +#include "state_tracker/st_public.h" #include "dri_screen.h" #include "dri_context.h" #include "dri_drawable.h" #include "dri1.h" +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 +dri1_swap_fences_clear(struct dri_drawable *drawable) +{ + struct pipe_screen *screen = dri_screen(drawable->sPriv)->pipe_screen; + struct pipe_fence_handle *fence; + + while (drawable->cur_fences) { + fence = dri_swap_fences_pop_front(drawable); + screen->fence_reference(screen, &fence, NULL); + } +} + +static void +dri1_update_drawables_locked(struct dri_context *ctx, + __DRIdrawable * driDrawPriv, + __DRIdrawable * 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) +{ + __DRIdrawable *dPriv = ctx->dPriv; + __DRIdrawable *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, + __DRIdrawable * 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, + __DRIdrawable * 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 +dri1_swap_buffers(__DRIdrawable * 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 +dri1_copy_sub_buffer(__DRIdrawable * 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); + } +} + static const __DRIextension *dri1_screen_extensions[] = { &driReadDrawableExtension, &driCopySubBufferExtension.base, -- cgit v1.2.3