- 根目录:
- drivers
- gpu
- drm
- qxl
- qxl_draw.c
/*
* 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);
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);
}