/************************************************************************** * * Copyright 2009, VMware, Inc. * All Rights Reserved. * Copyright 2010 George Sapountzis * * 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. * **************************************************************************/ #include "mesa_interface.h" #include "git_sha1.h" #include "util/format/u_format.h" #include "util/u_memory.h" #include "util/u_inlines.h" #include "util/box.h" #include "pipe/p_context.h" #include "pipe-loader/pipe_loader.h" #include "frontend/drisw_api.h" #include "state_tracker/st_context.h" #include "dri_screen.h" #include "dri_context.h" #include "dri_drawable.h" #include "dri_helpers.h" #include "dri_query_renderer.h" #include "util/libsync.h" #ifdef HAVE_LIBDRM #include #endif DEBUG_GET_ONCE_BOOL_OPTION(swrast_no_present, "SWRAST_NO_PRESENT", false); static inline void get_drawable_info(struct dri_drawable *drawable, int *x, int *y, int *w, int *h) { const __DRIswrastLoaderExtension *loader = drawable->screen->swrast_loader; loader->getDrawableInfo(opaque_dri_drawable(drawable), x, y, w, h, drawable->loaderPrivate); } static inline void put_image(struct dri_drawable *drawable, void *data, unsigned width, unsigned height) { const __DRIswrastLoaderExtension *loader = drawable->screen->swrast_loader; loader->putImage(opaque_dri_drawable(drawable), __DRI_SWRAST_IMAGE_OP_SWAP, 0, 0, width, height, data, drawable->loaderPrivate); } static inline void put_image2(struct dri_drawable *drawable, void *data, int x, int y, unsigned width, unsigned height, unsigned stride) { const __DRIswrastLoaderExtension *loader = drawable->screen->swrast_loader; loader->putImage2(opaque_dri_drawable(drawable), __DRI_SWRAST_IMAGE_OP_SWAP, x, y, width, height, stride, data, drawable->loaderPrivate); } static inline void put_image_shm(struct dri_drawable *drawable, int shmid, char *shmaddr, unsigned offset, unsigned offset_x, int x, int y, unsigned width, unsigned height, unsigned stride) { const __DRIswrastLoaderExtension *loader = drawable->screen->swrast_loader; /* if we have the newer interface, don't have to add the offset_x here. */ if (loader->base.version > 4 && loader->putImageShm2) loader->putImageShm2(opaque_dri_drawable(drawable), __DRI_SWRAST_IMAGE_OP_SWAP, x, y, width, height, stride, shmid, shmaddr, offset, drawable->loaderPrivate); else loader->putImageShm(opaque_dri_drawable(drawable), __DRI_SWRAST_IMAGE_OP_SWAP, x, y, width, height, stride, shmid, shmaddr, offset + offset_x, drawable->loaderPrivate); } static inline void get_image(struct dri_drawable *drawable, int x, int y, int width, int height, void *data) { const __DRIswrastLoaderExtension *loader = drawable->screen->swrast_loader; loader->getImage(opaque_dri_drawable(drawable), x, y, width, height, data, drawable->loaderPrivate); } static inline void get_image2(struct dri_drawable *drawable, int x, int y, int width, int height, int stride, void *data) { const __DRIswrastLoaderExtension *loader = drawable->screen->swrast_loader; /* getImage2 support is only in version 3 or newer */ if (loader->base.version < 3) return; loader->getImage2(opaque_dri_drawable(drawable), x, y, width, height, stride, data, drawable->loaderPrivate); } static inline bool get_image_shm(struct dri_drawable *drawable, int x, int y, int width, int height, struct pipe_resource *res) { const __DRIswrastLoaderExtension *loader = drawable->screen->swrast_loader; struct winsys_handle whandle; whandle.type = WINSYS_HANDLE_TYPE_SHMID; if (loader->base.version < 4 || !loader->getImageShm) return false; if (!res->screen->resource_get_handle(res->screen, NULL, res, &whandle, PIPE_HANDLE_USAGE_FRAMEBUFFER_WRITE)) return false; if (loader->base.version > 5 && loader->getImageShm2) return loader->getImageShm2(opaque_dri_drawable(drawable), x, y, width, height, whandle.handle, drawable->loaderPrivate); loader->getImageShm(opaque_dri_drawable(drawable), x, y, width, height, whandle.handle, drawable->loaderPrivate); return true; } static void drisw_update_drawable_info(struct dri_drawable *drawable) { int x, y; get_drawable_info(drawable, &x, &y, &drawable->w, &drawable->h); } static void drisw_get_image(struct dri_drawable *drawable, int x, int y, unsigned width, unsigned height, unsigned stride, void *data) { int draw_x, draw_y, draw_w, draw_h; get_drawable_info(drawable, &draw_x, &draw_y, &draw_w, &draw_h); get_image2(drawable, x, y, draw_w, draw_h, stride, data); } static void drisw_put_image(struct dri_drawable *drawable, void *data, unsigned width, unsigned height) { put_image(drawable, data, width, height); } static void drisw_put_image2(struct dri_drawable *drawable, void *data, int x, int y, unsigned width, unsigned height, unsigned stride) { put_image2(drawable, data, x, y, width, height, stride); } static inline void drisw_put_image_shm(struct dri_drawable *drawable, int shmid, char *shmaddr, unsigned offset, unsigned offset_x, int x, int y, unsigned width, unsigned height, unsigned stride) { put_image_shm(drawable, shmid, shmaddr, offset, offset_x, x, y, width, height, stride); } static inline void drisw_present_texture(struct pipe_context *pipe, struct dri_drawable *drawable, struct pipe_resource *ptex, unsigned nrects, struct pipe_box *sub_box) { struct dri_screen *screen = drawable->screen; if (screen->swrast_no_present) return; screen->base.screen->flush_frontbuffer(screen->base.screen, pipe, ptex, 0, 0, drawable, nrects, sub_box); } static inline void drisw_invalidate_drawable(struct dri_drawable *drawable) { drawable->texture_stamp = drawable->lastStamp - 1; p_atomic_inc(&drawable->base.stamp); } static inline void drisw_copy_to_front(struct pipe_context *pipe, struct dri_drawable *drawable, struct pipe_resource *ptex, int nboxes, struct pipe_box *boxes) { drisw_present_texture(pipe, drawable, ptex, nboxes, boxes); drisw_invalidate_drawable(drawable); } /* * Backend functions for pipe_frontend_drawable and swap_buffers. */ static void drisw_swap_buffers_with_damage(struct dri_drawable *drawable, int nrects, const int *rects) { struct dri_context *ctx = dri_get_current(); struct dri_screen *screen = drawable->screen; struct pipe_resource *ptex; if (!ctx) return; /* Wait for glthread to finish because we can't use pipe_context from * multiple threads. */ _mesa_glthread_finish(ctx->st->ctx); ptex = drawable->textures[ST_ATTACHMENT_BACK_LEFT]; if (ptex) { struct pipe_fence_handle *fence = NULL; struct pipe_box stack_boxes[64]; if (nrects > ARRAY_SIZE(stack_boxes)) nrects = 0; if (nrects) { for (unsigned int i = 0; i < nrects; i++) { const int *rect = &rects[i * 4]; int w = MIN2(rect[2], ptex->width0); int h = MIN2(rect[3], ptex->height0); int x = CLAMP(rect[0], 0, ptex->width0); int y = CLAMP(ptex->height0 - rect[1] - h, 0, ptex->height0); if (h > ptex->height0 - y) h = ptex->height0 - y; u_box_2d(x, y, w, h, &stack_boxes[i]); } } if (ctx->pp) pp_run(ctx->pp, ptex, ptex, drawable->textures[ST_ATTACHMENT_DEPTH_STENCIL]); if (ctx->hud) hud_run(ctx->hud, ctx->st->cso_context, ptex); st_context_flush(ctx->st, ST_FLUSH_FRONT, &fence, NULL, NULL); if (drawable->stvis.samples > 1) { /* Resolve the back buffer. */ dri_pipe_blit(ctx->st->pipe, drawable->textures[ST_ATTACHMENT_BACK_LEFT], drawable->msaa_textures[ST_ATTACHMENT_BACK_LEFT]); } screen->base.screen->fence_finish(screen->base.screen, ctx->st->pipe, fence, OS_TIMEOUT_INFINITE); screen->base.screen->fence_reference(screen->base.screen, &fence, NULL); drisw_copy_to_front(ctx->st->pipe, drawable, ptex, nrects, nrects ? stack_boxes : NULL); drawable->buffer_age = 1; /* TODO: remove this if the framebuffer state doesn't change. */ st_context_invalidate_state(ctx->st, ST_INVALIDATE_FB_STATE); } } static void drisw_swap_buffers(struct dri_drawable *drawable) { drisw_swap_buffers_with_damage(drawable, 0, NULL); } static void drisw_copy_sub_buffer(struct dri_drawable *drawable, int x, int y, int w, int h) { struct dri_context *ctx = dri_get_current(); struct dri_screen *screen = drawable->screen; struct pipe_resource *ptex; struct pipe_box box; if (!ctx) return; ptex = drawable->textures[ST_ATTACHMENT_BACK_LEFT]; if (ptex) { /* Wait for glthread to finish because we can't use pipe_context from * multiple threads. */ _mesa_glthread_finish(ctx->st->ctx); struct pipe_fence_handle *fence = NULL; if (ctx->pp && drawable->textures[ST_ATTACHMENT_DEPTH_STENCIL]) pp_run(ctx->pp, ptex, ptex, drawable->textures[ST_ATTACHMENT_DEPTH_STENCIL]); st_context_flush(ctx->st, ST_FLUSH_FRONT, &fence, NULL, NULL); screen->base.screen->fence_finish(screen->base.screen, ctx->st->pipe, fence, OS_TIMEOUT_INFINITE); screen->base.screen->fence_reference(screen->base.screen, &fence, NULL); if (drawable->stvis.samples > 1) { /* Resolve the back buffer. */ dri_pipe_blit(ctx->st->pipe, drawable->textures[ST_ATTACHMENT_BACK_LEFT], drawable->msaa_textures[ST_ATTACHMENT_BACK_LEFT]); } u_box_2d(x, drawable->h - y - h, w, h, &box); drisw_present_texture(ctx->st->pipe, drawable, ptex, 1, &box); } } static bool drisw_flush_frontbuffer(struct dri_context *ctx, struct dri_drawable *drawable, enum st_attachment_type statt) { struct pipe_resource *ptex; if (!ctx || statt != ST_ATTACHMENT_FRONT_LEFT) return false; /* Wait for glthread to finish because we can't use pipe_context from * multiple threads. */ _mesa_glthread_finish(ctx->st->ctx); if (drawable->stvis.samples > 1) { /* Resolve the front buffer. */ dri_pipe_blit(ctx->st->pipe, drawable->textures[ST_ATTACHMENT_FRONT_LEFT], drawable->msaa_textures[ST_ATTACHMENT_FRONT_LEFT]); } ptex = drawable->textures[statt]; if (ptex) { drisw_copy_to_front(ctx->st->pipe, ctx->draw, ptex, 0, NULL); } return true; } extern bool dri_image_drawable_get_buffers(struct dri_drawable *drawable, struct __DRIimageList *images, const enum st_attachment_type *statts, unsigned statts_count); static void handle_in_fence(struct dri_context *ctx, __DRIimage *img) { struct pipe_context *pipe = ctx->st->pipe; struct pipe_fence_handle *fence; int fd = img->in_fence_fd; if (fd == -1) return; validate_fence_fd(fd); img->in_fence_fd = -1; pipe->create_fence_fd(pipe, &fence, fd, PIPE_FD_TYPE_NATIVE_SYNC); pipe->fence_server_sync(pipe, fence); pipe->screen->fence_reference(pipe->screen, &fence, NULL); close(fd); } /** * Allocate framebuffer attachments. * * During fixed-size operation, the function keeps allocating new attachments * as they are requested. Unused attachments are not removed, not until the * framebuffer is resized or destroyed. */ static void drisw_allocate_textures(struct dri_context *stctx, struct dri_drawable *drawable, const enum st_attachment_type *statts, unsigned count) { struct dri_screen *screen = drawable->screen; const __DRIswrastLoaderExtension *loader = drawable->screen->swrast_loader; struct pipe_resource templ; unsigned width, height; bool resized; unsigned i; const __DRIimageLoaderExtension *image = screen->image.loader; struct __DRIimageList images; bool imported_buffers = true; /* Wait for glthread to finish because we can't use pipe_context from * multiple threads. */ _mesa_glthread_finish(stctx->st->ctx); /* First try to get the buffers from the loader */ if (image) { if (!dri_image_drawable_get_buffers(drawable, &images, statts, count)) imported_buffers = false; } width = drawable->w; height = drawable->h; resized = (drawable->old_w != width || drawable->old_h != height); /* remove outdated textures */ if (resized) { for (i = 0; i < ST_ATTACHMENT_COUNT; i++) { pipe_resource_reference(&drawable->textures[i], NULL); pipe_resource_reference(&drawable->msaa_textures[i], NULL); } drawable->buffer_age = 0; } memset(&templ, 0, sizeof(templ)); templ.target = screen->target; templ.width0 = width; templ.height0 = height; templ.depth0 = 1; templ.array_size = 1; templ.last_level = 0; if (imported_buffers && image) { if (images.image_mask & __DRI_IMAGE_BUFFER_FRONT) { struct pipe_resource **buf = &drawable->textures[ST_ATTACHMENT_FRONT_LEFT]; struct pipe_resource *texture = images.front->texture; drawable->w = texture->width0; drawable->h = texture->height0; pipe_resource_reference(buf, texture); handle_in_fence(stctx, images.front); } if (images.image_mask & __DRI_IMAGE_BUFFER_BACK) { struct pipe_resource **buf = &drawable->textures[ST_ATTACHMENT_BACK_LEFT]; struct pipe_resource *texture = images.back->texture; drawable->w = texture->width0; drawable->h = texture->height0; pipe_resource_reference(buf, texture); handle_in_fence(stctx, images.back); } if (images.image_mask & __DRI_IMAGE_BUFFER_SHARED) { struct pipe_resource **buf = &drawable->textures[ST_ATTACHMENT_BACK_LEFT]; struct pipe_resource *texture = images.back->texture; drawable->w = texture->width0; drawable->h = texture->height0; pipe_resource_reference(buf, texture); handle_in_fence(stctx, images.back); } /* Note: if there is both a back and a front buffer, * then they have the same size. */ templ.width0 = drawable->w; templ.height0 = drawable->h; } else { for (i = 0; i < count; i++) { enum pipe_format format; unsigned bind; /* the texture already exists or not requested */ if (drawable->textures[statts[i]]) continue; dri_drawable_get_format(drawable, statts[i], &format, &bind); /* if we don't do any present, no need for display targets */ if (statts[i] != ST_ATTACHMENT_DEPTH_STENCIL && !screen->swrast_no_present) bind |= PIPE_BIND_DISPLAY_TARGET; if (format == PIPE_FORMAT_NONE) continue; templ.format = format; templ.bind = bind; templ.nr_samples = 0; templ.nr_storage_samples = 0; if (statts[i] == ST_ATTACHMENT_FRONT_LEFT && screen->base.screen->resource_create_front && loader->base.version >= 3) { drawable->textures[statts[i]] = screen->base.screen->resource_create_front(screen->base.screen, &templ, (const void *)drawable); } else drawable->textures[statts[i]] = screen->base.screen->resource_create(screen->base.screen, &templ); if (drawable->stvis.samples > 1) { templ.bind = templ.bind & ~(PIPE_BIND_SCANOUT | PIPE_BIND_SHARED | PIPE_BIND_DISPLAY_TARGET); templ.nr_samples = drawable->stvis.samples; templ.nr_storage_samples = drawable->stvis.samples; drawable->msaa_textures[statts[i]] = screen->base.screen->resource_create(screen->base.screen, &templ); dri_pipe_blit(stctx->st->pipe, drawable->msaa_textures[statts[i]], drawable->textures[statts[i]]); } } } drawable->old_w = width; drawable->old_h = height; } void drisw_update_tex_buffer(struct dri_drawable *drawable, struct dri_context *ctx, struct pipe_resource *res) { struct st_context *st_ctx = (struct st_context *)ctx->st; struct pipe_context *pipe = st_ctx->pipe; struct pipe_transfer *transfer; char *map; int x, y, w, h; int ximage_stride, line; int cpp = util_format_get_blocksize(res->format); /* Wait for glthread to finish because we can't use pipe_context from * multiple threads. */ _mesa_glthread_finish(ctx->st->ctx); get_drawable_info(drawable, &x, &y, &w, &h); map = pipe_texture_map(pipe, res, 0, 0, // level, layer, PIPE_MAP_WRITE, x, y, w, h, &transfer); /* Copy the Drawable content to the mapped texture buffer */ if (!get_image_shm(drawable, x, y, w, h, res)) get_image(drawable, x, y, w, h, map); /* The pipe transfer has a pitch rounded up to the nearest 64 pixels. get_image() has a pitch rounded up to 4 bytes. */ ximage_stride = ((w * cpp) + 3) & -4; for (line = h-1; line; --line) { memmove(&map[line * transfer->stride], &map[line * ximage_stride], ximage_stride); } pipe_texture_unmap(pipe, transfer); } /* * Backend function for init_screen. */ 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 }; void drisw_init_drawable(struct dri_drawable *drawable, bool isPixmap, int alphaBits) { 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; drawable->swap_buffers = drisw_swap_buffers; drawable->swap_buffers_with_damage = drisw_swap_buffers_with_damage; } struct pipe_screen * drisw_init_screen(struct dri_screen *screen, bool driver_name_is_inferred) { const __DRIswrastLoaderExtension *loader = screen->swrast_loader; struct pipe_screen *pscreen = NULL; const struct drisw_loader_funcs *lf = &drisw_lf; screen->swrast_no_present = debug_get_option_swrast_no_present(); if (loader->base.version >= 4) { if (loader->putImageShm) lf = &drisw_shm_lf; } bool success = false; #ifdef HAVE_DRISW_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, driver_name_is_inferred); return pscreen; } /* swrast copy sub buffer entrypoint. */ void driswCopySubBuffer(__DRIdrawable *pdp, int x, int y, int w, int h) { struct dri_drawable *drawable = dri_drawable(pdp); assert(drawable->screen->swrast_loader); drisw_copy_sub_buffer(drawable, x, y, w, h); } /* vim: set sw=3 ts=8 sts=3 expandtab: */