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author | marha <marha@users.sourceforge.net> | 2014-01-26 20:19:23 +0100 |
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committer | marha <marha@users.sourceforge.net> | 2014-01-26 20:19:23 +0100 |
commit | 5f455179ae4b279a82d99a7a3dabe61f58c42ad6 (patch) | |
tree | fdecec022cf1b8b782b90a64c14e374fa6d400cb /xorg-server/glamor/glamor_fbo.c | |
parent | 78d84bd03c744b0ed420c450dd2807904ccaef21 (diff) | |
parent | 30af30b78075159fce477ae99cc72540133714d0 (diff) | |
download | vcxsrv-5f455179ae4b279a82d99a7a3dabe61f58c42ad6.tar.gz vcxsrv-5f455179ae4b279a82d99a7a3dabe61f58c42ad6.tar.bz2 vcxsrv-5f455179ae4b279a82d99a7a3dabe61f58c42ad6.zip |
Merge remote-tracking branch 'origin/released'
* origin/released:
xserver randrproto libxtrans fontconfig libxcb xcb-proto mesa git update 26 Jan 2014
Conflicts:
X11/xtrans/Xtrans.c
xorg-server/dix/dispatch.c
xorg-server/os/xdmcp.c
Diffstat (limited to 'xorg-server/glamor/glamor_fbo.c')
-rw-r--r-- | xorg-server/glamor/glamor_fbo.c | 590 |
1 files changed, 590 insertions, 0 deletions
diff --git a/xorg-server/glamor/glamor_fbo.c b/xorg-server/glamor/glamor_fbo.c new file mode 100644 index 000000000..d1b087ebe --- /dev/null +++ b/xorg-server/glamor/glamor_fbo.c @@ -0,0 +1,590 @@ +/* + * Copyright © 2009 Intel Corporation + * Copyright © 1998 Keith Packard + * + * 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, sublicense, + * 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 NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS 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. + * + * Authors: + * Zhigang Gong <zhigang.gong@gmail.com> + * + */ + +#include <stdlib.h> + +#include "glamor_priv.h" + +#define GLAMOR_CACHE_EXPIRE_MAX 100 + +#define GLAMOR_CACHE_DEFAULT 0 +#define GLAMOR_CACHE_EXACT_SIZE 1 + +//#define NO_FBO_CACHE 1 +#define FBO_CACHE_THRESHOLD (256*1024*1024) + +/* Loop from the tail to the head. */ +#define xorg_list_for_each_entry_reverse(pos, head, member) \ + for (pos = __container_of((head)->prev, pos, member); \ + &pos->member != (head); \ + pos = __container_of(pos->member.prev, pos, member)) + + +#define xorg_list_for_each_entry_safe_reverse(pos, tmp, head, member) \ + for (pos = __container_of((head)->prev, pos, member), \ + tmp = __container_of(pos->member.prev, pos, member); \ + &pos->member != (head); \ + pos = tmp, tmp = __container_of(pos->member.prev, tmp, member)) + +inline static int cache_wbucket(int size) +{ + int order = __fls(size / 32); + if (order >= CACHE_BUCKET_WCOUNT) + order = CACHE_BUCKET_WCOUNT - 1; + return order; +} + +inline static int cache_hbucket(int size) +{ + int order = __fls(size / 32); + if (order >= CACHE_BUCKET_HCOUNT) + order = CACHE_BUCKET_HCOUNT - 1; + return order; +} + +static glamor_pixmap_fbo * +glamor_pixmap_fbo_cache_get(glamor_screen_private *glamor_priv, + int w, int h, GLenum format, int flag) +{ + struct xorg_list *cache; + glamor_pixmap_fbo *fbo_entry, *ret_fbo = NULL; + int n_format; +#ifdef NO_FBO_CACHE + return NULL; +#else + n_format = cache_format(format); + if (n_format == -1) + return NULL; + cache = &glamor_priv->fbo_cache[n_format] + [cache_wbucket(w)] + [cache_hbucket(h)]; + if (!(flag & GLAMOR_CACHE_EXACT_SIZE)) { + xorg_list_for_each_entry(fbo_entry, cache, list) { + if (fbo_entry->width >= w && fbo_entry->height >= h) { + + DEBUGF("Request w %d h %d format %x \n", w, h, format); + DEBUGF("got cache entry %p w %d h %d fbo %d tex %d format %x\n", + fbo_entry, fbo_entry->width, fbo_entry->height, + fbo_entry->fb, fbo_entry->tex); + xorg_list_del(&fbo_entry->list); + ret_fbo = fbo_entry; + break; + } + } + } + else { + xorg_list_for_each_entry(fbo_entry, cache, list) { + if (fbo_entry->width == w && fbo_entry->height == h) { + + DEBUGF("Request w %d h %d format %x \n", w, h, format); + DEBUGF("got cache entry %p w %d h %d fbo %d tex %d format %x\n", + fbo_entry, fbo_entry->width, fbo_entry->height, + fbo_entry->fb, fbo_entry->tex, fbo_entry->format); + assert(format == fbo_entry->format); + xorg_list_del(&fbo_entry->list); + ret_fbo = fbo_entry; + break; + } + } + } + + if (ret_fbo) + glamor_priv->fbo_cache_watermark -= ret_fbo->width * ret_fbo->height; + + assert(glamor_priv->fbo_cache_watermark >= 0); + + return ret_fbo; +#endif +} + +void +glamor_purge_fbo(glamor_pixmap_fbo *fbo) +{ + glamor_gl_dispatch *dispatch = glamor_get_dispatch(fbo->glamor_priv); + if (fbo->fb) + dispatch->glDeleteFramebuffers(1, &fbo->fb); + if (fbo->tex) + dispatch->glDeleteTextures(1, &fbo->tex); + if (fbo->pbo) + dispatch->glDeleteBuffers(1, &fbo->pbo); + glamor_put_dispatch(fbo->glamor_priv); + + free(fbo); +} + +static void +glamor_pixmap_fbo_cache_put(glamor_pixmap_fbo *fbo) +{ + struct xorg_list *cache; + int n_format; + +#ifdef NO_FBO_CACHE + glamor_purge_fbo(fbo); + return; +#else + n_format = cache_format(fbo->format); + + if (fbo->fb == 0 || n_format == -1 + || fbo->glamor_priv->fbo_cache_watermark >= FBO_CACHE_THRESHOLD) { + fbo->glamor_priv->tick += GLAMOR_CACHE_EXPIRE_MAX; + glamor_fbo_expire(fbo->glamor_priv); + glamor_purge_fbo(fbo); + return; + } + + cache = &fbo->glamor_priv->fbo_cache[n_format] + [cache_wbucket(fbo->width)] + [cache_hbucket(fbo->height)]; + DEBUGF("Put cache entry %p to cache %p w %d h %d format %x fbo %d tex %d \n", fbo, cache, + fbo->width, fbo->height, fbo->format, fbo->fb, fbo->tex); + + fbo->glamor_priv->fbo_cache_watermark += fbo->width * fbo->height; + xorg_list_add(&fbo->list, cache); + fbo->expire = fbo->glamor_priv->tick + GLAMOR_CACHE_EXPIRE_MAX; +#endif +} + +static void +glamor_pixmap_ensure_fb(glamor_pixmap_fbo *fbo) +{ + glamor_gl_dispatch *dispatch; + int status; + + dispatch = glamor_get_dispatch(fbo->glamor_priv); + + if (fbo->fb == 0) + dispatch->glGenFramebuffers(1, &fbo->fb); + assert(fbo->tex != 0); + dispatch->glBindFramebuffer(GL_FRAMEBUFFER, fbo->fb); + dispatch->glFramebufferTexture2D(GL_FRAMEBUFFER, + GL_COLOR_ATTACHMENT0, + GL_TEXTURE_2D, fbo->tex, + 0); + status = dispatch->glCheckFramebufferStatus(GL_FRAMEBUFFER); + if (status != GL_FRAMEBUFFER_COMPLETE) { + const char *str; + switch (status) { + case GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT: + str = "incomplete attachment"; + break; + case GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT: + str = "incomplete/missing attachment"; + break; + case GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER: + str = "incomplete draw buffer"; + break; + case GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER: + str = "incomplete read buffer"; + break; + case GL_FRAMEBUFFER_UNSUPPORTED: + str = "unsupported"; + break; + case GL_FRAMEBUFFER_INCOMPLETE_MULTISAMPLE: + str = "incomplete multiple"; + break; + default: + str = "unknown error"; + break; + } + + FatalError("destination is framebuffer incomplete: %s [%x]\n", + str, status); + } + glamor_put_dispatch(fbo->glamor_priv); +} + +glamor_pixmap_fbo * +glamor_create_fbo_from_tex(glamor_screen_private *glamor_priv, + int w, int h, GLenum format, GLint tex, int flag) +{ + glamor_pixmap_fbo *fbo; + + fbo = calloc(1, sizeof(*fbo)); + if (fbo == NULL) + return NULL; + + xorg_list_init(&fbo->list); + + fbo->tex = tex; + fbo->width = w; + fbo->height = h; + fbo->format = format; + fbo->glamor_priv = glamor_priv; + + if (flag == GLAMOR_CREATE_PIXMAP_MAP) { + glamor_gl_dispatch *dispatch; + dispatch = glamor_get_dispatch(glamor_priv); + dispatch->glGenBuffers(1, &fbo->pbo); + glamor_put_dispatch(glamor_priv); + goto done; + } + + if (flag != GLAMOR_CREATE_FBO_NO_FBO) + glamor_pixmap_ensure_fb(fbo); + +done: + return fbo; +} + + +void +glamor_fbo_expire(glamor_screen_private *glamor_priv) +{ + struct xorg_list *cache; + glamor_pixmap_fbo *fbo_entry, *tmp; + int i,j,k; + + for(i = 0; i < CACHE_FORMAT_COUNT; i++) + for(j = 0; j < CACHE_BUCKET_WCOUNT; j++) + for(k = 0; k < CACHE_BUCKET_HCOUNT; k++) { + cache = &glamor_priv->fbo_cache[i][j][k]; + xorg_list_for_each_entry_safe_reverse(fbo_entry, tmp, cache, list) { + if (GLAMOR_TICK_AFTER(fbo_entry->expire, glamor_priv->tick)) { + break; + } + + glamor_priv->fbo_cache_watermark -= fbo_entry->width * fbo_entry->height; + xorg_list_del(&fbo_entry->list); + DEBUGF("cache %p fbo %p expired %d current %d \n", cache, fbo_entry, + fbo_entry->expire, glamor_priv->tick); + glamor_purge_fbo(fbo_entry); + } + } + +} + +void +glamor_init_pixmap_fbo(ScreenPtr screen) +{ + glamor_screen_private *glamor_priv; + int i,j,k; + + glamor_priv = glamor_get_screen_private(screen); + for(i = 0; i < CACHE_FORMAT_COUNT; i++) + for(j = 0; j < CACHE_BUCKET_WCOUNT; j++) + for(k = 0; k < CACHE_BUCKET_HCOUNT; k++) + { + xorg_list_init(&glamor_priv->fbo_cache[i][j][k]); + } + glamor_priv->fbo_cache_watermark = 0; +} + +void +glamor_fini_pixmap_fbo(ScreenPtr screen) +{ + struct xorg_list *cache; + glamor_screen_private *glamor_priv; + glamor_pixmap_fbo *fbo_entry, *tmp; + int i,j,k; + + glamor_priv = glamor_get_screen_private(screen); + for(i = 0; i < CACHE_FORMAT_COUNT; i++) + for(j = 0; j < CACHE_BUCKET_WCOUNT; j++) + for(k = 0; k < CACHE_BUCKET_HCOUNT; k++) + { + cache = &glamor_priv->fbo_cache[i][j][k]; + xorg_list_for_each_entry_safe_reverse(fbo_entry, tmp, cache, list) { + xorg_list_del(&fbo_entry->list); + glamor_purge_fbo(fbo_entry); + } + } +} + +void +glamor_destroy_fbo(glamor_pixmap_fbo *fbo) +{ + xorg_list_del(&fbo->list); + glamor_pixmap_fbo_cache_put(fbo); + +} + +static int +_glamor_create_tex(glamor_screen_private *glamor_priv, + int w, int h, GLenum format) +{ + glamor_gl_dispatch *dispatch; + unsigned int tex = 0; + + /* With dri3, we want to allocate ARGB8888 pixmaps only. + * Depending on the implementation, GL_RGBA might not + * give us ARGB8888. We ask glamor_egl to use get + * an ARGB8888 based texture for us. */ + if (glamor_priv->dri3_enabled && format == GL_RGBA) + { + tex = glamor_egl_create_argb8888_based_texture(glamor_priv->screen, + w, h); + } + if (!tex) + { + dispatch = glamor_get_dispatch(glamor_priv); + dispatch->glGenTextures(1, &tex); + dispatch->glBindTexture(GL_TEXTURE_2D, tex); + dispatch->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, + GL_NEAREST); + dispatch->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, + GL_NEAREST); + dispatch->glTexImage2D(GL_TEXTURE_2D, 0, format, w, h, 0, + format, GL_UNSIGNED_BYTE, NULL); + glamor_put_dispatch(glamor_priv); + } + return tex; +} + +glamor_pixmap_fbo * +glamor_create_fbo(glamor_screen_private *glamor_priv, + int w, int h, + GLenum format, + int flag) +{ + glamor_pixmap_fbo *fbo; + GLint tex = 0; + int cache_flag; + + if (!glamor_check_fbo_size(glamor_priv, w, h)) + return NULL; + + if (flag == GLAMOR_CREATE_FBO_NO_FBO) + goto new_fbo; + + if (flag == GLAMOR_CREATE_PIXMAP_MAP) + goto no_tex; + + if (flag == GLAMOR_CREATE_PIXMAP_FIXUP) + cache_flag = GLAMOR_CACHE_EXACT_SIZE; + else + cache_flag = 0; + + fbo = glamor_pixmap_fbo_cache_get(glamor_priv, w, h, + format, cache_flag); + if (fbo) + return fbo; +new_fbo: + tex = _glamor_create_tex(glamor_priv, w, h, format); +no_tex: + fbo = glamor_create_fbo_from_tex(glamor_priv, w, h, format, tex, flag); + + return fbo; +} + +static glamor_pixmap_fbo * +_glamor_create_fbo_array(glamor_screen_private *glamor_priv, + int w, int h, GLenum format, int flag, + int block_w, int block_h, + glamor_pixmap_private *pixmap_priv, + int has_fbo) +{ + int block_wcnt; + int block_hcnt; + glamor_pixmap_fbo **fbo_array; + BoxPtr box_array; + int i,j; + glamor_pixmap_private_large_t *priv; + + priv = &pixmap_priv->large; + + block_wcnt = (w + block_w - 1) / block_w; + block_hcnt = (h + block_h - 1) / block_h; + + box_array = calloc(block_wcnt * block_hcnt, sizeof(box_array[0])); + if (box_array == NULL) + return NULL; + + fbo_array = calloc(block_wcnt * block_hcnt, sizeof(glamor_pixmap_fbo*)); + if (fbo_array == NULL) { + free(box_array); + return FALSE; + } + for(i = 0; i < block_hcnt; i++) + { + int block_y1, block_y2; + int fbo_w, fbo_h; + + block_y1 = i * block_h; + block_y2 = (block_y1 + block_h) > h ? h : (block_y1 + block_h); + fbo_h = block_y2 - block_y1; + + for (j = 0; j < block_wcnt; j++) + { + box_array[i * block_wcnt + j].x1 = j * block_w; + box_array[i * block_wcnt + j].y1 = block_y1; + box_array[i * block_wcnt + j].x2 = (j + 1) * block_w > w ? w : (j + 1) * block_w; + box_array[i * block_wcnt + j].y2 = block_y2; + fbo_w = box_array[i * block_wcnt + j].x2 - box_array[i * block_wcnt + j].x1; + if (!has_fbo) + fbo_array[i * block_wcnt + j] = glamor_create_fbo(glamor_priv, + fbo_w, fbo_h, format, + GLAMOR_CREATE_PIXMAP_FIXUP); + else + fbo_array[i * block_wcnt + j] = priv->base.fbo; + if (fbo_array[i * block_wcnt + j] == NULL) + goto cleanup; + } + } + + priv->box = box_array[0]; + priv->box_array = box_array; + priv->fbo_array = fbo_array; + priv->block_wcnt = block_wcnt; + priv->block_hcnt = block_hcnt; + return fbo_array[0]; + +cleanup: + for(i = 0; i < block_wcnt * block_hcnt; i++) + if ((fbo_array)[i]) + glamor_destroy_fbo((fbo_array)[i]); + free(box_array); + free(fbo_array); + return NULL; +} + + +/* Create a fbo array to cover the w*h region, by using block_w*block_h + * block.*/ +glamor_pixmap_fbo * +glamor_create_fbo_array(glamor_screen_private *glamor_priv, + int w, int h, GLenum format, int flag, + int block_w, int block_h, + glamor_pixmap_private *pixmap_priv) +{ + pixmap_priv->large.block_w = block_w; + pixmap_priv->large.block_h = block_h; + return _glamor_create_fbo_array(glamor_priv, w, h, format, flag, + block_w, block_h, pixmap_priv, 0); +} + +glamor_pixmap_fbo * +glamor_pixmap_detach_fbo(glamor_pixmap_private *pixmap_priv) +{ + glamor_pixmap_fbo *fbo; + + if (pixmap_priv == NULL) + return NULL; + + fbo = pixmap_priv->base.fbo; + if (fbo == NULL) + return NULL; + + pixmap_priv->base.fbo = NULL; + return fbo; +} + +/* The pixmap must not be attached to another fbo. */ +void +glamor_pixmap_attach_fbo(PixmapPtr pixmap, glamor_pixmap_fbo *fbo) +{ + glamor_pixmap_private *pixmap_priv; + + pixmap_priv = glamor_get_pixmap_private(pixmap); + + if (pixmap_priv->base.fbo) + return; + + pixmap_priv->base.fbo = fbo; + + switch (pixmap_priv->type) { + case GLAMOR_TEXTURE_LARGE: + case GLAMOR_TEXTURE_ONLY: + case GLAMOR_TEXTURE_DRM: + pixmap_priv->base.gl_fbo = 1; + if (fbo->tex != 0) + pixmap_priv->base.gl_tex = 1; + else { + /* XXX For the Xephyr only, may be broken now.*/ + pixmap_priv->base.gl_tex = 0; + } + case GLAMOR_MEMORY_MAP: + pixmap->devPrivate.ptr = NULL; + break; + default: + break; + } +} + +void +glamor_pixmap_destroy_fbo(glamor_pixmap_private *priv) +{ + glamor_pixmap_fbo *fbo; + if (priv->type == GLAMOR_TEXTURE_LARGE) { + int i; + glamor_pixmap_private_large_t *large = &priv->large; + for(i = 0; i < large->block_wcnt * large->block_hcnt; i++) + glamor_destroy_fbo(large->fbo_array[i]); + free(large->fbo_array); + } else { + fbo = glamor_pixmap_detach_fbo(priv); + if (fbo) + glamor_destroy_fbo(fbo); + } + + free(priv); +} + +Bool +glamor_pixmap_ensure_fbo(PixmapPtr pixmap, GLenum format, int flag) +{ + glamor_screen_private *glamor_priv; + glamor_pixmap_private *pixmap_priv; + glamor_pixmap_fbo *fbo; + + glamor_priv = glamor_get_screen_private(pixmap->drawable.pScreen); + pixmap_priv = glamor_get_pixmap_private(pixmap); + if (pixmap_priv->base.fbo == NULL) { + + fbo = glamor_create_fbo(glamor_priv, pixmap->drawable.width, + pixmap->drawable.height, + format, + flag); + if (fbo == NULL) + return FALSE; + + glamor_pixmap_attach_fbo(pixmap, fbo); + } else { + /* We do have a fbo, but it may lack of fb or tex. */ + if (!pixmap_priv->base.fbo->tex) + pixmap_priv->base.fbo->tex = _glamor_create_tex(glamor_priv, pixmap->drawable.width, + pixmap->drawable.height, format); + + if (flag != GLAMOR_CREATE_FBO_NO_FBO && pixmap_priv->base.fbo->fb == 0) + glamor_pixmap_ensure_fb(pixmap_priv->base.fbo); + } + + return TRUE; +} + +_X_EXPORT void +glamor_pixmap_exchange_fbos(PixmapPtr front, PixmapPtr back) +{ + glamor_pixmap_private *front_priv, *back_priv; + glamor_pixmap_fbo *temp_fbo; + + front_priv = glamor_get_pixmap_private(front); + back_priv = glamor_get_pixmap_private(back); + temp_fbo = front_priv->base.fbo; + front_priv->base.fbo = back_priv->base.fbo; + back_priv->base.fbo = temp_fbo; +} |