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- /*
- * Copyright 2011 Red Hat, Inc.
- *
- * 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
- * on 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
- * THE AUTHORS 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 "qxl_drv.h"
- #include "qxl_object.h"
- static int alloc_clips(struct qxl_device *qdev,
- struct qxl_release *release,
- unsigned num_clips,
- struct qxl_bo **clips_bo)
- {
- int size = sizeof(struct qxl_clip_rects) + sizeof(struct qxl_rect) * num_clips;
- return qxl_alloc_bo_reserved(qdev, release, size, clips_bo);
- }
- /* returns a pointer to the already allocated qxl_rect array inside
- * the qxl_clip_rects. This is *not* the same as the memory allocated
- * on the device, it is offset to qxl_clip_rects.chunk.data */
- static struct qxl_rect *drawable_set_clipping(struct qxl_device *qdev,
- struct qxl_drawable *drawable,
- unsigned num_clips,
- struct qxl_bo *clips_bo)
- {
- struct qxl_clip_rects *dev_clips;
- int ret;
- ret = qxl_bo_kmap(clips_bo, (void **)&dev_clips);
- if (ret) {
- return NULL;
- }
- dev_clips->num_rects = num_clips;
- dev_clips->chunk.next_chunk = 0;
- dev_clips->chunk.prev_chunk = 0;
- dev_clips->chunk.data_size = sizeof(struct qxl_rect) * num_clips;
- return (struct qxl_rect *)dev_clips->chunk.data;
- }
- static int
- alloc_drawable(struct qxl_device *qdev, struct qxl_release **release)
- {
- int ret;
- ret = qxl_alloc_release_reserved(qdev, sizeof(struct qxl_drawable),
- QXL_RELEASE_DRAWABLE, release,
- NULL);
- return ret;
- }
- static void
- free_drawable(struct qxl_device *qdev, struct qxl_release *release)
- {
- qxl_release_free(qdev, release);
- }
- /* release needs to be reserved at this point */
- static int
- make_drawable(struct qxl_device *qdev, int surface, uint8_t type,
- const struct qxl_rect *rect,
- struct qxl_release *release)
- {
- struct qxl_drawable *drawable;
- int i;
- drawable = (struct qxl_drawable *)qxl_release_map(qdev, release);
- if (!drawable)
- return -ENOMEM;
- drawable->type = type;
- drawable->surface_id = surface; /* Only primary for now */
- drawable->effect = QXL_EFFECT_OPAQUE;
- drawable->self_bitmap = 0;
- drawable->self_bitmap_area.top = 0;
- drawable->self_bitmap_area.left = 0;
- drawable->self_bitmap_area.bottom = 0;
- drawable->self_bitmap_area.right = 0;
- /* FIXME: add clipping */
- drawable->clip.type = SPICE_CLIP_TYPE_NONE;
- /*
- * surfaces_dest[i] should apparently be filled out with the
- * surfaces that we depend on, and surface_rects should be
- * filled with the rectangles of those surfaces that we
- * are going to use.
- */
- for (i = 0; i < 3; ++i)
- drawable->surfaces_dest[i] = -1;
- if (rect)
- drawable->bbox = *rect;
- drawable->mm_time = qdev->rom->mm_clock;
- qxl_release_unmap(qdev, release, &drawable->release_info);
- return 0;
- }
- static int alloc_palette_object(struct qxl_device *qdev,
- struct qxl_release *release,
- struct qxl_bo **palette_bo)
- {
- return qxl_alloc_bo_reserved(qdev, release,
- sizeof(struct qxl_palette) + sizeof(uint32_t) * 2,
- palette_bo);
- }
- static int qxl_palette_create_1bit(struct qxl_bo *palette_bo,
- struct qxl_release *release,
- const struct qxl_fb_image *qxl_fb_image)
- {
- const struct fb_image *fb_image = &qxl_fb_image->fb_image;
- uint32_t visual = qxl_fb_image->visual;
- const uint32_t *pseudo_palette = qxl_fb_image->pseudo_palette;
- struct qxl_palette *pal;
- int ret;
- uint32_t fgcolor, bgcolor;
- static uint64_t unique; /* we make no attempt to actually set this
- * correctly globaly, since that would require
- * tracking all of our palettes. */
- ret = qxl_bo_kmap(palette_bo, (void **)&pal);
- if (ret)
- return ret;
- pal->num_ents = 2;
- pal->unique = unique++;
- if (visual == FB_VISUAL_TRUECOLOR || visual == FB_VISUAL_DIRECTCOLOR) {
- /* NB: this is the only used branch currently. */
- fgcolor = pseudo_palette[fb_image->fg_color];
- bgcolor = pseudo_palette[fb_image->bg_color];
- } else {
- fgcolor = fb_image->fg_color;
- bgcolor = fb_image->bg_color;
- }
- pal->ents[0] = bgcolor;
- pal->ents[1] = fgcolor;
- qxl_bo_kunmap(palette_bo);
- return 0;
- }
- void qxl_draw_opaque_fb(const struct qxl_fb_image *qxl_fb_image,
- int stride /* filled in if 0 */)
- {
- struct qxl_device *qdev = qxl_fb_image->qdev;
- struct qxl_drawable *drawable;
- struct qxl_rect rect;
- const struct fb_image *fb_image = &qxl_fb_image->fb_image;
- int x = fb_image->dx;
- int y = fb_image->dy;
- int width = fb_image->width;
- int height = fb_image->height;
- const char *src = fb_image->data;
- int depth = fb_image->depth;
- struct qxl_release *release;
- struct qxl_image *image;
- int ret;
- struct qxl_drm_image *dimage;
- struct qxl_bo *palette_bo = NULL;
- if (stride == 0)
- stride = depth * width / 8;
- ret = alloc_drawable(qdev, &release);
- if (ret)
- return;
- ret = qxl_image_alloc_objects(qdev, release,
- &dimage,
- height, stride);
- if (ret)
- goto out_free_drawable;
- if (depth == 1) {
- ret = alloc_palette_object(qdev, release, &palette_bo);
- if (ret)
- goto out_free_image;
- }
- /* do a reservation run over all the objects we just allocated */
- ret = qxl_release_reserve_list(release, true);
- if (ret)
- goto out_free_palette;
- rect.left = x;
- rect.right = x + width;
- rect.top = y;
- rect.bottom = y + height;
- ret = make_drawable(qdev, 0, QXL_DRAW_COPY, &rect, release);
- if (ret) {
- qxl_release_backoff_reserve_list(release);
- goto out_free_palette;
- }
- ret = qxl_image_init(qdev, release, dimage,
- (const uint8_t *)src, 0, 0,
- width, height, depth, stride);
- if (ret) {
- qxl_release_backoff_reserve_list(release);
- qxl_release_free(qdev, release);
- return;
- }
- if (depth == 1) {
- void *ptr;
- ret = qxl_palette_create_1bit(palette_bo, release, qxl_fb_image);
- ptr = qxl_bo_kmap_atomic_page(qdev, dimage->bo, 0);
- image = ptr;
- image->u.bitmap.palette =
- qxl_bo_physical_address(qdev, palette_bo, 0);
- qxl_bo_kunmap_atomic_page(qdev, dimage->bo, ptr);
- }
- drawable = (struct qxl_drawable *)qxl_release_map(qdev, release);
- drawable->u.copy.src_area.top = 0;
- drawable->u.copy.src_area.bottom = height;
- drawable->u.copy.src_area.left = 0;
- drawable->u.copy.src_area.right = width;
- drawable->u.copy.rop_descriptor = SPICE_ROPD_OP_PUT;
- drawable->u.copy.scale_mode = 0;
- drawable->u.copy.mask.flags = 0;
- drawable->u.copy.mask.pos.x = 0;
- drawable->u.copy.mask.pos.y = 0;
- drawable->u.copy.mask.bitmap = 0;
- drawable->u.copy.src_bitmap =
- qxl_bo_physical_address(qdev, dimage->bo, 0);
- qxl_release_unmap(qdev, release, &drawable->release_info);
- qxl_push_command_ring_release(qdev, release, QXL_CMD_DRAW, false);
- qxl_release_fence_buffer_objects(release);
- out_free_palette:
- if (palette_bo)
- qxl_bo_unref(&palette_bo);
- out_free_image:
- qxl_image_free_objects(qdev, dimage);
- out_free_drawable:
- if (ret)
- free_drawable(qdev, release);
- }
- /* push a draw command using the given clipping rectangles as
- * the sources from the shadow framebuffer.
- *
- * Right now implementing with a single draw and a clip list. Clip
- * lists are known to be a problem performance wise, this can be solved
- * by treating them differently in the server.
- */
- void qxl_draw_dirty_fb(struct qxl_device *qdev,
- struct qxl_framebuffer *qxl_fb,
- struct qxl_bo *bo,
- unsigned flags, unsigned color,
- struct drm_clip_rect *clips,
- unsigned num_clips, int inc)
- {
- /*
- * TODO: if flags & DRM_MODE_FB_DIRTY_ANNOTATE_FILL then we should
- * send a fill command instead, much cheaper.
- *
- * See include/drm/drm_mode.h
- */
- struct drm_clip_rect *clips_ptr;
- int i;
- int left, right, top, bottom;
- int width, height;
- struct qxl_drawable *drawable;
- struct qxl_rect drawable_rect;
- struct qxl_rect *rects;
- int stride = qxl_fb->base.pitches[0];
- /* depth is not actually interesting, we don't mask with it */
- int depth = qxl_fb->base.bits_per_pixel;
- uint8_t *surface_base;
- struct qxl_release *release;
- struct qxl_bo *clips_bo;
- struct qxl_drm_image *dimage;
- int ret;
- ret = alloc_drawable(qdev, &release);
- if (ret)
- return;
- left = clips->x1;
- right = clips->x2;
- top = clips->y1;
- bottom = clips->y2;
- /* skip the first clip rect */
- for (i = 1, clips_ptr = clips + inc;
- i < num_clips; i++, clips_ptr += inc) {
- left = min_t(int, left, (int)clips_ptr->x1);
- right = max_t(int, right, (int)clips_ptr->x2);
- top = min_t(int, top, (int)clips_ptr->y1);
- bottom = max_t(int, bottom, (int)clips_ptr->y2);
- }
- width = right - left;
- height = bottom - top;
- ret = alloc_clips(qdev, release, num_clips, &clips_bo);
- if (ret)
- goto out_free_drawable;
- ret = qxl_image_alloc_objects(qdev, release,
- &dimage,
- height, stride);
- if (ret)
- goto out_free_clips;
- /* do a reservation run over all the objects we just allocated */
- ret = qxl_release_reserve_list(release, true);
- if (ret)
- goto out_free_image;
- drawable_rect.left = left;
- drawable_rect.right = right;
- drawable_rect.top = top;
- drawable_rect.bottom = bottom;
- ret = make_drawable(qdev, 0, QXL_DRAW_COPY, &drawable_rect,
- release);
- if (ret)
- goto out_release_backoff;
- ret = qxl_bo_kmap(bo, (void **)&surface_base);
- if (ret)
- goto out_release_backoff;
- ret = qxl_image_init(qdev, release, dimage, surface_base,
- left, top, width, height, depth, stride);
- qxl_bo_kunmap(bo);
- if (ret)
- goto out_release_backoff;
- rects = drawable_set_clipping(qdev, drawable, num_clips, clips_bo);
- if (!rects)
- goto out_release_backoff;
- drawable = (struct qxl_drawable *)qxl_release_map(qdev, release);
- drawable->clip.type = SPICE_CLIP_TYPE_RECTS;
- drawable->clip.data = qxl_bo_physical_address(qdev,
- clips_bo, 0);
- drawable->u.copy.src_area.top = 0;
- drawable->u.copy.src_area.bottom = height;
- drawable->u.copy.src_area.left = 0;
- drawable->u.copy.src_area.right = width;
- drawable->u.copy.rop_descriptor = SPICE_ROPD_OP_PUT;
- drawable->u.copy.scale_mode = 0;
- drawable->u.copy.mask.flags = 0;
- drawable->u.copy.mask.pos.x = 0;
- drawable->u.copy.mask.pos.y = 0;
- drawable->u.copy.mask.bitmap = 0;
- drawable->u.copy.src_bitmap = qxl_bo_physical_address(qdev, dimage->bo, 0);
- qxl_release_unmap(qdev, release, &drawable->release_info);
- clips_ptr = clips;
- for (i = 0; i < num_clips; i++, clips_ptr += inc) {
- rects[i].left = clips_ptr->x1;
- rects[i].right = clips_ptr->x2;
- rects[i].top = clips_ptr->y1;
- rects[i].bottom = clips_ptr->y2;
- }
- qxl_bo_kunmap(clips_bo);
- qxl_push_command_ring_release(qdev, release, QXL_CMD_DRAW, false);
- qxl_release_fence_buffer_objects(release);
- out_release_backoff:
- if (ret)
- qxl_release_backoff_reserve_list(release);
- out_free_image:
- qxl_image_free_objects(qdev, dimage);
- out_free_clips:
- qxl_bo_unref(&clips_bo);
- out_free_drawable:
- /* only free drawable on error */
- if (ret)
- free_drawable(qdev, release);
- }
- void qxl_draw_copyarea(struct qxl_device *qdev,
- u32 width, u32 height,
- u32 sx, u32 sy,
- u32 dx, u32 dy)
- {
- struct qxl_drawable *drawable;
- struct qxl_rect rect;
- struct qxl_release *release;
- int ret;
- ret = alloc_drawable(qdev, &release);
- if (ret)
- return;
- /* do a reservation run over all the objects we just allocated */
- ret = qxl_release_reserve_list(release, true);
- if (ret)
- goto out_free_release;
- rect.left = dx;
- rect.top = dy;
- rect.right = dx + width;
- rect.bottom = dy + height;
- ret = make_drawable(qdev, 0, QXL_COPY_BITS, &rect, release);
- if (ret) {
- qxl_release_backoff_reserve_list(release);
- goto out_free_release;
- }
- drawable = (struct qxl_drawable *)qxl_release_map(qdev, release);
- drawable->u.copy_bits.src_pos.x = sx;
- drawable->u.copy_bits.src_pos.y = sy;
- qxl_release_unmap(qdev, release, &drawable->release_info);
- qxl_push_command_ring_release(qdev, release, QXL_CMD_DRAW, false);
- qxl_release_fence_buffer_objects(release);
- out_free_release:
- if (ret)
- free_drawable(qdev, release);
- }
- void qxl_draw_fill(struct qxl_draw_fill *qxl_draw_fill_rec)
- {
- struct qxl_device *qdev = qxl_draw_fill_rec->qdev;
- struct qxl_rect rect = qxl_draw_fill_rec->rect;
- uint32_t color = qxl_draw_fill_rec->color;
- uint16_t rop = qxl_draw_fill_rec->rop;
- struct qxl_drawable *drawable;
- struct qxl_release *release;
- int ret;
- ret = alloc_drawable(qdev, &release);
- if (ret)
- return;
- /* do a reservation run over all the objects we just allocated */
- ret = qxl_release_reserve_list(release, true);
- if (ret)
- goto out_free_release;
- ret = make_drawable(qdev, 0, QXL_DRAW_FILL, &rect, release);
- if (ret) {
- qxl_release_backoff_reserve_list(release);
- goto out_free_release;
- }
- drawable = (struct qxl_drawable *)qxl_release_map(qdev, release);
- drawable->u.fill.brush.type = SPICE_BRUSH_TYPE_SOLID;
- drawable->u.fill.brush.u.color = color;
- drawable->u.fill.rop_descriptor = rop;
- drawable->u.fill.mask.flags = 0;
- drawable->u.fill.mask.pos.x = 0;
- drawable->u.fill.mask.pos.y = 0;
- drawable->u.fill.mask.bitmap = 0;
- qxl_release_unmap(qdev, release, &drawable->release_info);
- qxl_push_command_ring_release(qdev, release, QXL_CMD_DRAW, false);
- qxl_release_fence_buffer_objects(release);
- out_free_release:
- if (ret)
- free_drawable(qdev, release);
- }
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