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path: root/drivers/gpu/drm/qxl/qxl_draw.c
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Diffstat (limited to 'drivers/gpu/drm/qxl/qxl_draw.c')
-rw-r--r--drivers/gpu/drm/qxl/qxl_draw.c390
1 files changed, 390 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 000000000000..3c8c3dbf9378
--- /dev/null
+++ b/drivers/gpu/drm/qxl/qxl_draw.c
@@ -0,0 +1,390 @@
+/*
+ * 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 qxl_bo **clips_bo,
+ struct qxl_release *release)
+{
+ struct qxl_clip_rects *dev_clips;
+ int ret;
+ int size = sizeof(*dev_clips) + sizeof(struct qxl_rect) * num_clips;
+ ret = qxl_alloc_bo_reserved(qdev, size, clips_bo);
+ if (ret)
+ return NULL;
+
+ ret = qxl_bo_kmap(*clips_bo, (void **)&dev_clips);
+ if (ret) {
+ qxl_bo_unref(clips_bo);
+ 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
+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, ret;
+
+ ret = qxl_alloc_release_reserved(qdev, sizeof(*drawable),
+ QXL_RELEASE_DRAWABLE, release,
+ NULL);
+ if (ret)
+ return ret;
+
+ drawable = (struct qxl_drawable *)qxl_release_map(qdev, *release);
+ 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 qxl_palette_create_1bit(struct qxl_bo **palette_bo,
+ 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 *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_alloc_bo_reserved(qdev,
+ sizeof(struct qxl_palette) + sizeof(uint32_t) * 2,
+ palette_bo);
+
+ ret = qxl_bo_kmap(*palette_bo, (void **)&pal);
+ 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_bo *image_bo;
+ struct qxl_image *image;
+ int ret;
+
+ if (stride == 0)
+ stride = depth * width / 8;
+
+ 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)
+ return;
+
+ ret = qxl_image_create(qdev, release, &image_bo,
+ (const uint8_t *)src, 0, 0,
+ width, height, depth, stride);
+ if (ret) {
+ qxl_release_unreserve(qdev, release);
+ qxl_release_free(qdev, release);
+ return;
+ }
+
+ if (depth == 1) {
+ struct qxl_bo *palette_bo;
+ void *ptr;
+ ret = qxl_palette_create_1bit(&palette_bo, qxl_fb_image);
+ qxl_release_add_res(qdev, release, palette_bo);
+
+ ptr = qxl_bo_kmap_atomic_page(qdev, image_bo, 0);
+ image = ptr;
+ image->u.bitmap.palette =
+ qxl_bo_physical_address(qdev, palette_bo, 0);
+ qxl_bo_kunmap_atomic_page(qdev, image_bo, ptr);
+ qxl_bo_unreserve(palette_bo);
+ qxl_bo_unref(&palette_bo);
+ }
+
+ 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, image_bo, 0);
+ qxl_release_unmap(qdev, release, &drawable->release_info);
+
+ qxl_release_add_res(qdev, release, image_bo);
+ qxl_bo_unreserve(image_bo);
+ qxl_bo_unref(&image_bo);
+
+ qxl_fence_releaseable(qdev, release);
+ qxl_push_command_ring_release(qdev, release, QXL_CMD_DRAW, false);
+ qxl_release_unreserve(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 *image_bo;
+ struct qxl_bo *clips_bo;
+ int ret;
+
+ 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;
+ ret = make_drawable(qdev, 0, QXL_DRAW_COPY, &drawable_rect,
+ &release);
+ if (ret)
+ return;
+
+ ret = qxl_bo_kmap(bo, (void **)&surface_base);
+ if (ret)
+ goto out_unref;
+
+ ret = qxl_image_create(qdev, release, &image_bo, surface_base,
+ left, top, width, height, depth, stride);
+ qxl_bo_kunmap(bo);
+ if (ret)
+ goto out_unref;
+
+ rects = drawable_set_clipping(qdev, drawable, num_clips, &clips_bo, release);
+ if (!rects) {
+ qxl_bo_unref(&image_bo);
+ goto out_unref;
+ }
+ 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);
+ qxl_release_add_res(qdev, release, clips_bo);
+
+ 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, image_bo, 0);
+ qxl_release_unmap(qdev, release, &drawable->release_info);
+ qxl_release_add_res(qdev, release, image_bo);
+ qxl_bo_unreserve(image_bo);
+ qxl_bo_unref(&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;
+ }
+ qxl_bo_kunmap(clips_bo);
+ qxl_bo_unreserve(clips_bo);
+ qxl_bo_unref(&clips_bo);
+
+ qxl_fence_releaseable(qdev, release);
+ qxl_push_command_ring_release(qdev, release, QXL_CMD_DRAW, false);
+ qxl_release_unreserve(qdev, release);
+ return;
+
+out_unref:
+ qxl_release_unreserve(qdev, release);
+ qxl_release_free(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;
+
+ 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)
+ return;
+
+ 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_fence_releaseable(qdev, release);
+ qxl_push_command_ring_release(qdev, release, QXL_CMD_DRAW, false);
+ qxl_release_unreserve(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 = make_drawable(qdev, 0, QXL_DRAW_FILL, &rect, &release);
+ if (ret)
+ return;
+
+ 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_fence_releaseable(qdev, release);
+ qxl_push_command_ring_release(qdev, release, QXL_CMD_DRAW, false);
+ qxl_release_unreserve(qdev, release);
+}