diff options
Diffstat (limited to 'drivers/gpu/drm/qxl/qxl_draw.c')
| -rw-r--r-- | drivers/gpu/drm/qxl/qxl_draw.c | 468 |
1 files changed, 468 insertions, 0 deletions
diff --git a/drivers/gpu/drm/qxl/qxl_draw.c b/drivers/gpu/drm/qxl/qxl_draw.c new file mode 100644 index 00000000000..3971e94e8a2 --- /dev/null +++ b/drivers/gpu/drm/qxl/qxl_draw.c @@ -0,0 +1,468 @@ +/* + * 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" + +/* 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 drm_qxl_release *release) +{ + struct qxl_clip_rects *dev_clips; + + dev_clips = qxl_allocnf(qdev, sizeof(*dev_clips) + + sizeof(struct qxl_rect) * num_clips, release); + 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; + drawable->clip.type = SPICE_CLIP_TYPE_RECTS; + drawable->clip.data = qxl_fb_physical_address(qdev, + release->bos[release->bo_count - 1]); + return (struct qxl_rect *)dev_clips->chunk.data; +} + +uint64_t +qxl_release_alloc(struct qxl_device *qdev, int type, + struct drm_qxl_release **ret) +{ + struct drm_qxl_release *release; + int handle = 0; + size_t size = sizeof(*release); + int idr_ret; + + release = kmalloc(size, GFP_KERNEL); + if (!release) { + DRM_ERROR("Out of memory\n"); + return 0; + } + memset(release, 0, size); + release->type = type; + release->bo_count = 0; +again: + mutex_lock(&qdev->release_idr_mutex); + if (idr_pre_get(&qdev->release_idr, GFP_KERNEL) == 0) { + DRM_ERROR("Out of memory for release idr\n"); + kfree(release); + goto release_fail; + } + idr_ret = idr_get_new_above(&qdev->release_idr, release, 1, &handle); + if (idr_ret == -EAGAIN) { + goto again; + } + if (ret) { + *ret = release; + } + QXL_INFO(qdev, "allocated release %lld\n", handle); + release->id = handle; +release_fail: + mutex_unlock(&qdev->release_idr_mutex); + return handle; +} + +void +qxl_release_free_locked(struct qxl_device *qdev, + struct drm_qxl_release *release) +{ + int i; + + QXL_INFO(qdev, "release %d, type %d, %d bos\n", release->id, + release->type, release->bo_count); + for (i = 0 ; i < release->bo_count; ++i) { + QXL_INFO(qdev, "release %llx\n", + release->bos[i]->tbo.addr_space_offset - DRM_FILE_OFFSET); + qxl_bo_free(release->bos[i]); + } + idr_remove(&qdev->release_idr, release->id); + kfree(release); +} + +void +qxl_release_add_res(struct qxl_device *qdev, struct drm_qxl_release *release, + struct qxl_bo *bo) +{ + if (release->bo_count >= QXL_MAX_RES) { + DRM_ERROR("exceeded max resource on a drm_qxl_release item\n"); + return; + } + release->bos[release->bo_count++] = bo; +} + +void *qxl_alloc_releasable(struct qxl_device *qdev, unsigned long size, + int type, struct drm_qxl_release **release, + struct qxl_bo **bo) +{ + int idr_ret; + void *ret; + + idr_ret = qxl_release_alloc(qdev, type, release); + //QXL_INFO(qdev, "allocating release_info id = %lld\n", idr_ret); + ret = qxl_allocnf(qdev, size, *release); + ((union qxl_release_info *)ret)->id = idr_ret; + *bo = (*release)->bos[(*release)->bo_count - 1]; + return ret; +} + +static struct qxl_drawable * +make_drawable(struct qxl_device *qdev, int surface, uint8_t type, + const struct qxl_rect *rect/* , pRegion clip */, + struct drm_qxl_release **release, + struct qxl_bo **drawable_bo) +{ + struct qxl_drawable *drawable; + int i; + + drawable = qxl_alloc_releasable(qdev, sizeof(*drawable), + QXL_RELEASE_DRAWABLE, release, + drawable_bo); + + 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; + + return drawable; +} + +/* TODO: bo per command is wasteful. add an offset */ +void +qxl_push_command_ring(struct qxl_device *qdev, struct qxl_bo *bo, uint32_t type) +{ + struct qxl_command cmd; + + cmd.type = type; + cmd.data = qxl_fb_physical_address(qdev, bo); + + qxl_ring_push(qdev->command_ring, &cmd); +} + +void +qxl_push_cursor_ring(struct qxl_device *qdev, struct qxl_bo *bo, uint32_t type) +{ + struct qxl_command cmd; + + cmd.type = type; + cmd.data = qxl_fb_physical_address(qdev, bo); + + qxl_ring_push(qdev->cursor_ring, &cmd); +} + +static void +push_drawable(struct qxl_device *qdev, struct qxl_bo *drawable_bo) +{ + qxl_push_command_ring(qdev, drawable_bo, QXL_CMD_DRAW); +} + +static struct qxl_palette *qxl_palette_create_1bit(struct drm_qxl_release *release, + const struct qxl_fb_image *qxl_fb_image) +{ + struct qxl_device *qdev = qxl_fb_image->qdev; + 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 *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_allocnf(qdev, sizeof(struct qxl_palette) + sizeof(uint32_t) * 2, + release); + ret->num_ents = 2; + ret->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; + } + ret->ents[0] = bgcolor; + ret->ents[1] = fgcolor; + return ret; +} + +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; + struct qxl_image *image; + struct qxl_palette *palette; + 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 drm_qxl_release *release; + struct qxl_bo *image_bo; + struct qxl_bo *drawable_bo; + + //qxl_io_log(qdev, "%s: depth %d, bpp %d, width %d, height %d\n", __func__, fb_image->depth, + // fb_info ? fb_info->var.bits_per_pixel : -1, + // fb_image->width, fb_image->height); + + if (stride == 0) { + stride = depth * width / 8; + } + + rect.left = x; + rect.right = x + width; + rect.top = y; + rect.bottom = y + height; + + drawable = make_drawable(qdev, 0, QXL_DRAW_COPY, &rect, &release, &drawable_bo); + QXL_INFO(qdev, "drawable off %llx, release id %lld\n", + drawable_bo->tbo.addr_space_offset - DRM_FILE_OFFSET, + drawable->release_info.id); + + 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; + + image = qxl_image_create( + qdev, release, &image_bo, + (const uint8_t *)src, 0, 0, width, height, depth, stride); + QXL_INFO(qdev, "image_bo offset %llx\n", + image_bo->tbo.addr_space_offset - DRM_FILE_OFFSET); + if (depth == 1) { + struct qxl_bo *palette_bo; + + palette = qxl_palette_create_1bit(release, qxl_fb_image); + palette_bo = release->bos[release->bo_count - 1]; + image->u.bitmap.palette = qxl_fb_physical_address(qdev, palette_bo); + } + drawable->u.copy.src_bitmap = + qxl_fb_physical_address(qdev, image_bo); + + //qxl_io_log(qdev, "%s: 0x%llX\n", __func__, qxl_bo_gpu_offset(drawable_bo)); + push_drawable(qdev, drawable_bo); +} + +#if 0 +static void debug_fill_image(uint8_t *data, long width, long height, long stride) +{ + int x, y; + static int c = 1; + + DRM_INFO("%s: data %p, w %ld, h %ld, stride %ld\n", __func__, data, + width, height, stride); + for (y = height; y > 0; y--) { + //DRM_INFO("%s: %d, data %p\n", __func__, y, data); + for (x = 0; x < width*4; x+=4) + data[x] += c; + data += stride; + } + c += 127; +} +#else +#define debug_fill_image(...) +#endif + +/* 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: only a single monitor (stole this code from vmwgfx_kms.c) + * vmwgfx command created a blit command for each crt that any of + * the clip rects targeted. + */ + /* + * 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; + struct qxl_image *image; + 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 = bo->kptr; + struct drm_qxl_release *release; + struct qxl_bo *image_bo; + struct qxl_bo *drawable_bo; + + 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; + drawable_rect.left = left; + drawable_rect.right = right; + drawable_rect.top = top; + drawable_rect.bottom = bottom; + //drawable_rect.left = 0; + //drawable_rect.right = width; + //drawable_rect.top = 0; + //drawable_rect.bottom = height; + drawable = make_drawable(qdev, 0, QXL_DRAW_COPY, &drawable_rect, &release, &drawable_bo); + rects = drawable_set_clipping(qdev, drawable, num_clips, 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.src_area.top = top; + //drawable->u.copy.src_area.bottom = bottom; + //drawable->u.copy.src_area.left = left; + //drawable->u.copy.src_area.right = right; + + 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; + + //DRM_INFO("%s: left %d, stride %d, top %d, width %d, height %d, depth %d", + // __func__, left, stride, top, width, height, depth); + debug_fill_image((surface_base + (left * 4) + (stride * top)), + width, height, stride); + //DRM_INFO("%s: before qxl_image_create", __func__); + image = qxl_image_create( + qdev, release, &image_bo, surface_base, + left, top, width, height, depth, stride); + //DRM_INFO("%s: image %p", __func__, image); + drawable->u.copy.src_bitmap = qxl_fb_physical_address(qdev, image_bo); + + 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; + //DRM_INFO("%s: clip %d: [%d,%d,%d,%d]", __func__, i, clips_ptr->x1, + // clips_ptr->x2, clips_ptr->y1, clips_ptr->y2); + } + + push_drawable(qdev, drawable_bo); +} + + +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 drm_qxl_release *release; + struct qxl_bo *drawable_bo; + + rect.left = dx; + rect.top = dy; + rect.right = dx + width; + rect.bottom = dy + height; + drawable = make_drawable(qdev, 0, QXL_COPY_BITS, &rect, &release, &drawable_bo); + drawable->u.copy_bits.src_pos.x = sx; + drawable->u.copy_bits.src_pos.y = sy; + + push_drawable(qdev, drawable_bo); +} + +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 drm_qxl_release *release; + struct qxl_bo *drawable_bo; + + drawable = make_drawable(qdev, 0, QXL_DRAW_FILL, &rect, &release, &drawable_bo); + + 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; + + push_drawable(qdev, drawable_bo); +} |