diff options
Diffstat (limited to 'xorg-server/glamor/glamor.c')
| -rw-r--r-- | xorg-server/glamor/glamor.c | 628 |
1 files changed, 628 insertions, 0 deletions
diff --git a/xorg-server/glamor/glamor.c b/xorg-server/glamor/glamor.c new file mode 100644 index 000000000..93d3c5e72 --- /dev/null +++ b/xorg-server/glamor/glamor.c @@ -0,0 +1,628 @@ +/* + * Copyright © 2008 Intel Corporation + * + * 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: + * Eric Anholt <eric@anholt.net> + * Zhigang Gong <zhigang.gong@linux.intel.com> + * + */ + +/** @file glamor.c + * This file covers the initialization and teardown of glamor, and has various + * functions not responsible for performing rendering. + */ + +#include <stdlib.h> + +#include "glamor_priv.h" + +static DevPrivateKeyRec glamor_screen_private_key_index; +DevPrivateKey glamor_screen_private_key = &glamor_screen_private_key_index; +static DevPrivateKeyRec glamor_pixmap_private_key_index; +DevPrivateKey glamor_pixmap_private_key = &glamor_pixmap_private_key_index; + +/** + * glamor_get_drawable_pixmap() returns a backing pixmap for a given drawable. + * + * @param drawable the drawable being requested. + * + * This function returns the backing pixmap for a drawable, whether it is a + * redirected window, unredirected window, or already a pixmap. Note that + * coordinate translation is needed when drawing to the backing pixmap of a + * redirected window, and the translation coordinates are provided by calling + * exaGetOffscreenPixmap() on the drawable. + */ +PixmapPtr +glamor_get_drawable_pixmap(DrawablePtr drawable) +{ + if (drawable->type == DRAWABLE_WINDOW) + return drawable-> + pScreen->GetWindowPixmap((WindowPtr) drawable); + else + return (PixmapPtr) drawable; +} + +_X_EXPORT void +glamor_set_pixmap_type(PixmapPtr pixmap, glamor_pixmap_type_t type) +{ + glamor_pixmap_private *pixmap_priv; + glamor_screen_private *glamor_priv = + glamor_get_screen_private(pixmap->drawable.pScreen); + + pixmap_priv = dixLookupPrivate(&pixmap->devPrivates, + glamor_pixmap_private_key); + if (pixmap_priv == NULL) { + pixmap_priv = calloc(sizeof(*pixmap_priv), 1); + glamor_set_pixmap_private(pixmap, pixmap_priv); + pixmap_priv->base.pixmap = pixmap; + pixmap_priv->base.glamor_priv = glamor_priv; + } + pixmap_priv->type = type; +} + +_X_EXPORT void +glamor_set_pixmap_texture(PixmapPtr pixmap, unsigned int tex) +{ + ScreenPtr screen = pixmap->drawable.pScreen; + glamor_pixmap_private *pixmap_priv; + glamor_screen_private *glamor_priv; + glamor_pixmap_fbo *fbo; + GLenum format; + + glamor_priv = glamor_get_screen_private(screen); + pixmap_priv = glamor_get_pixmap_private(pixmap); + + if (pixmap_priv->base.fbo) { + fbo = glamor_pixmap_detach_fbo(pixmap_priv); + glamor_destroy_fbo(fbo); + } + + gl_iformat_for_depth(pixmap->drawable.depth, &format); + fbo = glamor_create_fbo_from_tex(glamor_priv, pixmap->drawable.width, + pixmap->drawable.height, + format, tex, 0); + + if (fbo == NULL) { + ErrorF("XXX fail to create fbo.\n"); + return; + } + + glamor_pixmap_attach_fbo(pixmap, fbo); +} + +void +glamor_set_screen_pixmap(PixmapPtr screen_pixmap, PixmapPtr *back_pixmap) +{ + glamor_pixmap_private *pixmap_priv; + glamor_screen_private *glamor_priv; + + glamor_priv = glamor_get_screen_private(screen_pixmap->drawable.pScreen); + pixmap_priv = glamor_get_pixmap_private(screen_pixmap); + glamor_priv->screen_fbo = pixmap_priv->base.fbo->fb; + + pixmap_priv->base.fbo->width = screen_pixmap->drawable.width; + pixmap_priv->base.fbo->height = screen_pixmap->drawable.height; + + glamor_priv->back_pixmap = back_pixmap; +} + +PixmapPtr +glamor_create_pixmap(ScreenPtr screen, int w, int h, int depth, + unsigned int usage) +{ + PixmapPtr pixmap; + glamor_pixmap_type_t type = GLAMOR_TEXTURE_ONLY; + glamor_pixmap_private *pixmap_priv; + glamor_screen_private *glamor_priv = + glamor_get_screen_private(screen); + glamor_pixmap_fbo *fbo; + int pitch; + GLenum format; + + if (w > 32767 || h > 32767) + return NullPixmap; + + if ((usage == GLAMOR_CREATE_PIXMAP_CPU + || (usage == CREATE_PIXMAP_USAGE_GLYPH_PICTURE && w <= 64 && h <= 64) + || (w == 0 && h == 0) + || !glamor_check_pixmap_fbo_depth(depth)) + || (!GLAMOR_TEXTURED_LARGE_PIXMAP && + !glamor_check_fbo_size(glamor_priv, w, h))) + return fbCreatePixmap(screen, w, h, depth, usage); + else + pixmap = fbCreatePixmap(screen, 0, 0, depth, usage); + + pixmap_priv = calloc(1, sizeof(*pixmap_priv)); + + if (!pixmap_priv) { + fbDestroyPixmap(pixmap); + return fbCreatePixmap(screen, w, h, depth, usage); + } + glamor_set_pixmap_private(pixmap, pixmap_priv); + + if (usage == GLAMOR_CREATE_PIXMAP_MAP) + type = GLAMOR_MEMORY_MAP; + + pixmap_priv->base.pixmap = pixmap; + pixmap_priv->base.glamor_priv = glamor_priv; + + gl_iformat_for_depth(depth, &format); + + pitch = (((w * pixmap->drawable.bitsPerPixel + 7) / 8) + 3) & ~3; + screen->ModifyPixmapHeader(pixmap, w, h, 0, 0, pitch, NULL); + + if (type == GLAMOR_MEMORY_MAP || glamor_check_fbo_size(glamor_priv, w, h)) { + pixmap_priv->type = type; + fbo = glamor_create_fbo(glamor_priv, w, h, format, usage); + } + else { + DEBUGF("Create LARGE pixmap %p width %d height %d\n", pixmap, w, h); + pixmap_priv->type = GLAMOR_TEXTURE_LARGE; + fbo = glamor_create_fbo_array(glamor_priv, w, h, format, usage, + glamor_priv->max_fbo_size, + glamor_priv->max_fbo_size, + pixmap_priv); + } + + if (fbo == NULL) { + fbDestroyPixmap(pixmap); + free(pixmap_priv); + return fbCreatePixmap(screen, w, h, depth, usage); + } + + glamor_pixmap_attach_fbo(pixmap, fbo); + + return pixmap; +} + +void +glamor_destroy_textured_pixmap(PixmapPtr pixmap) +{ + if (pixmap->refcnt == 1) { + glamor_pixmap_private *pixmap_priv; + + pixmap_priv = glamor_get_pixmap_private(pixmap); + if (pixmap_priv != NULL) + glamor_pixmap_destroy_fbo(pixmap_priv); + } +} + +Bool +glamor_destroy_pixmap(PixmapPtr pixmap) +{ + glamor_screen_private + *glamor_priv = glamor_get_screen_private(pixmap->drawable.pScreen); + if (glamor_priv->dri3_enabled) + glamor_egl_destroy_textured_pixmap(pixmap); + else + glamor_destroy_textured_pixmap(pixmap); + return fbDestroyPixmap(pixmap); +} + +void +glamor_block_handler(ScreenPtr screen) +{ + glamor_screen_private *glamor_priv = + glamor_get_screen_private(screen); + glamor_gl_dispatch *dispatch; + + dispatch = glamor_get_dispatch(glamor_priv); + glamor_priv->tick++; + dispatch->glFlush(); + glamor_fbo_expire(glamor_priv); + glamor_put_dispatch(glamor_priv); + if (glamor_priv->state == RENDER_STATE + && glamor_priv->render_idle_cnt++ > RENDER_IDEL_MAX) { + glamor_priv->state = IDLE_STATE; + glamor_priv->render_idle_cnt = 0; + } +} + +static void +_glamor_block_handler(void *data, OSTimePtr timeout, + void *last_select_mask) +{ + glamor_screen_private *glamor_priv = data; + glamor_gl_dispatch *dispatch = glamor_get_dispatch(glamor_priv); + dispatch->glFlush(); + glamor_put_dispatch(glamor_priv); +} + +static void +_glamor_wakeup_handler(void *data, int result, void *last_select_mask) +{ +} + +static void +glamor_set_debug_level(int *debug_level) +{ + char *debug_level_string; + debug_level_string = getenv("GLAMOR_DEBUG"); + if (debug_level_string + && sscanf(debug_level_string, "%d", debug_level) == 1) + return; + *debug_level = 0; +} + +int glamor_debug_level; + +/** Set up glamor for an already-configured GL context. */ +Bool +glamor_init(ScreenPtr screen, unsigned int flags) +{ + glamor_screen_private *glamor_priv; + int gl_version; + +#ifdef RENDER + PictureScreenPtr ps = GetPictureScreenIfSet(screen); +#endif + if (flags & ~GLAMOR_VALID_FLAGS) { + ErrorF("glamor_init: Invalid flags %x\n", flags); + return FALSE; + } + glamor_priv = calloc(1, sizeof(*glamor_priv)); + if (glamor_priv == NULL) + return FALSE; + + if (flags & GLAMOR_INVERTED_Y_AXIS) { + glamor_priv->yInverted = 1; + } else + glamor_priv->yInverted = 0; + + if (!dixRegisterPrivateKey + (glamor_screen_private_key, PRIVATE_SCREEN, 0)) { + LogMessage(X_WARNING, + "glamor%d: Failed to allocate screen private\n", + screen->myNum); + goto fail; + } + + glamor_set_screen_private(screen, glamor_priv); + + if (!dixRegisterPrivateKey + (glamor_pixmap_private_key, PRIVATE_PIXMAP, 0)) { + LogMessage(X_WARNING, + "glamor%d: Failed to allocate pixmap private\n", + screen->myNum); + goto fail;; + } + + gl_version = glamor_gl_get_version(); + +#ifndef GLAMOR_GLES2 + if (gl_version < GLAMOR_GL_VERSION_ENCODE(1, 3)) { + ErrorF("Require OpenGL version 1.3 or latter.\n"); + goto fail; + } +#else + if (gl_version < GLAMOR_GL_VERSION_ENCODE(2, 0)) { + ErrorF("Require Open GLES2.0 or latter.\n"); + goto fail; + } +#endif + + glamor_gl_dispatch_init(screen, &glamor_priv->_dispatch, gl_version); + +#ifdef GLAMOR_GLES2 + if (!glamor_gl_has_extension("GL_EXT_texture_format_BGRA8888")) { + ErrorF("GL_EXT_texture_format_BGRA8888 required\n"); + goto fail; + } +#endif + + glamor_priv->has_pack_invert = + glamor_gl_has_extension("GL_MESA_pack_invert"); + glamor_priv->has_fbo_blit = + glamor_gl_has_extension("GL_EXT_framebuffer_blit"); + glamor_priv->_dispatch.glGetIntegerv(GL_MAX_RENDERBUFFER_SIZE, + &glamor_priv->max_fbo_size); +#ifdef MAX_FBO_SIZE + glamor_priv->max_fbo_size = MAX_FBO_SIZE; +#endif + + glamor_set_debug_level(&glamor_debug_level); + +#ifdef GLAMOR_GLES2 + glamor_priv->gl_flavor = GLAMOR_GL_ES2; +#else + glamor_priv->gl_flavor = GLAMOR_GL_DESKTOP; +#endif + /* If we are using egl screen, call egl screen init to + * register correct close screen function. */ + if (flags & GLAMOR_USE_EGL_SCREEN) + glamor_egl_screen_init(screen); + + glamor_priv->saved_procs.close_screen = screen->CloseScreen; + screen->CloseScreen = glamor_close_screen; + + if (flags & GLAMOR_USE_SCREEN) { + if (!RegisterBlockAndWakeupHandlers(_glamor_block_handler, + _glamor_wakeup_handler, + glamor_priv)) { + goto fail; + } + + glamor_priv->saved_procs.create_gc = screen->CreateGC; + screen->CreateGC = glamor_create_gc; + + glamor_priv->saved_procs.create_pixmap = screen->CreatePixmap; + screen->CreatePixmap = glamor_create_pixmap; + + glamor_priv->saved_procs.destroy_pixmap = screen->DestroyPixmap; + screen->DestroyPixmap = glamor_destroy_pixmap; + + glamor_priv->saved_procs.get_spans = screen->GetSpans; + screen->GetSpans = glamor_get_spans; + + glamor_priv->saved_procs.get_image = screen->GetImage; + screen->GetImage = glamor_get_image; + + glamor_priv->saved_procs.change_window_attributes = + screen->ChangeWindowAttributes; + screen->ChangeWindowAttributes = + glamor_change_window_attributes; + + glamor_priv->saved_procs.copy_window = screen->CopyWindow; + screen->CopyWindow = glamor_copy_window; + + glamor_priv->saved_procs.bitmap_to_region = + screen->BitmapToRegion; + screen->BitmapToRegion = glamor_bitmap_to_region; + } +#ifdef RENDER + if (flags & GLAMOR_USE_PICTURE_SCREEN) { + glamor_priv->saved_procs.composite = ps->Composite; + ps->Composite = glamor_composite; + + + glamor_priv->saved_procs.trapezoids = ps->Trapezoids; + ps->Trapezoids = glamor_trapezoids; + + + glamor_priv->saved_procs.triangles = ps->Triangles; + ps->Triangles = glamor_triangles; + + glamor_priv->saved_procs.addtraps = ps->AddTraps; + ps->AddTraps = glamor_add_traps; + + } + + glamor_priv->saved_procs.composite_rects = ps->CompositeRects; + ps->CompositeRects = glamor_composite_rectangles; + + glamor_priv->saved_procs.glyphs = ps->Glyphs; + ps->Glyphs = glamor_glyphs; + + glamor_priv->saved_procs.unrealize_glyph = ps->UnrealizeGlyph; + ps->UnrealizeGlyph = glamor_glyph_unrealize; + + glamor_priv->saved_procs.create_picture = ps->CreatePicture; + ps->CreatePicture = glamor_create_picture; + + glamor_priv->saved_procs.set_window_pixmap = screen->SetWindowPixmap; + screen->SetWindowPixmap = glamor_set_window_pixmap; + + glamor_priv->saved_procs.destroy_picture = ps->DestroyPicture; + ps->DestroyPicture = glamor_destroy_picture; + glamor_init_composite_shaders(screen); +#endif + glamor_init_pixmap_fbo(screen); + glamor_init_solid_shader(screen); + glamor_init_tile_shader(screen); +#ifdef GLAMOR_TRAPEZOID_SHADER + glamor_init_trapezoid_shader(screen); +#endif + glamor_init_putimage_shaders(screen); + glamor_init_finish_access_shaders(screen); +#ifdef GLAMOR_GRADIENT_SHADER + glamor_init_gradient_shader(screen); +#endif +#ifdef GLAMOR_XV + glamor_init_xv_shader(screen); +#endif + glamor_pixmap_init(screen); + + glamor_priv->flags = flags; + glamor_priv->screen = screen; + + return TRUE; + + fail: + free(glamor_priv); + glamor_set_screen_private(screen, NULL); + return FALSE; +} + +static void +glamor_release_screen_priv(ScreenPtr screen) +{ + glamor_screen_private *glamor_priv; + + glamor_priv = glamor_get_screen_private(screen); +#ifdef GLAMOR_XV + glamor_fini_xv_shader(screen); +#endif +#ifdef RENDER + glamor_fini_composite_shaders(screen); +#endif + glamor_fini_pixmap_fbo(screen); + glamor_fini_solid_shader(screen); + glamor_fini_tile_shader(screen); +#ifdef GLAMOR_TRAPEZOID_SHADER + glamor_fini_trapezoid_shader(screen); +#endif + glamor_fini_putimage_shaders(screen); + glamor_fini_finish_access_shaders(screen); +#ifdef GLAMOR_GRADIENT_SHADER + glamor_fini_gradient_shader(screen); +#endif + glamor_pixmap_fini(screen); + free(glamor_priv); + + glamor_set_screen_private(screen, NULL); +} + +_X_EXPORT void +glamor_set_pixmap_private(PixmapPtr pixmap, glamor_pixmap_private *priv) +{ + glamor_pixmap_private *old_priv; + glamor_pixmap_fbo *fbo; + + old_priv = dixGetPrivate(&pixmap->devPrivates, glamor_pixmap_private_key); + + if (priv) { + assert(old_priv == NULL); + } else { + if (old_priv == NULL) + return; + fbo = glamor_pixmap_detach_fbo(old_priv); + glamor_purge_fbo(fbo); + free(old_priv); + } + + dixSetPrivate(&pixmap->devPrivates, + glamor_pixmap_private_key, + priv); +} + +Bool +glamor_close_screen(CLOSE_SCREEN_ARGS_DECL) +{ + glamor_screen_private *glamor_priv; + PixmapPtr screen_pixmap; + int flags; +#ifdef RENDER + PictureScreenPtr ps = GetPictureScreenIfSet(screen); +#endif + glamor_priv = glamor_get_screen_private(screen); + flags = glamor_priv->flags; + glamor_glyphs_fini(screen); + screen->CloseScreen = glamor_priv->saved_procs.close_screen; + if (flags & GLAMOR_USE_SCREEN) { + + screen->CreateGC = glamor_priv->saved_procs.create_gc; + screen->CreatePixmap = glamor_priv->saved_procs.create_pixmap; + screen->DestroyPixmap = glamor_priv->saved_procs.destroy_pixmap; + screen->GetSpans = glamor_priv->saved_procs.get_spans; + screen->ChangeWindowAttributes = + glamor_priv->saved_procs.change_window_attributes; + screen->CopyWindow = glamor_priv->saved_procs.copy_window; + screen->BitmapToRegion = glamor_priv->saved_procs.bitmap_to_region; + } +#ifdef RENDER + if (ps && (flags & GLAMOR_USE_PICTURE_SCREEN)) { + + ps->Composite = glamor_priv->saved_procs.composite; + ps->Trapezoids = glamor_priv->saved_procs.trapezoids; + ps->Triangles = glamor_priv->saved_procs.triangles; + ps->CreatePicture = glamor_priv->saved_procs.create_picture; + } + ps->CompositeRects = glamor_priv->saved_procs.composite_rects; + ps->Glyphs = glamor_priv->saved_procs.glyphs; + ps->UnrealizeGlyph = glamor_priv->saved_procs.unrealize_glyph; + screen->SetWindowPixmap = glamor_priv->saved_procs.set_window_pixmap; +#endif + screen_pixmap = screen->GetScreenPixmap(screen); + glamor_set_pixmap_private(screen_pixmap, NULL); + if (glamor_priv->back_pixmap && *glamor_priv->back_pixmap) + glamor_set_pixmap_private(*glamor_priv->back_pixmap, NULL); + + glamor_release_screen_priv(screen); + + return screen->CloseScreen(CLOSE_SCREEN_ARGS); +} + + +void +glamor_fini(ScreenPtr screen) +{ + /* Do nothing currently. */ +} + +void glamor_enable_dri3(ScreenPtr screen) +{ + glamor_screen_private *glamor_priv = + glamor_get_screen_private(screen); + glamor_priv->dri3_enabled = TRUE; +} + +Bool glamor_is_dri3_support_enabled(ScreenPtr screen) +{ + glamor_screen_private *glamor_priv = + glamor_get_screen_private(screen); + return glamor_priv->dri3_enabled; +} + +int +glamor_dri3_fd_from_pixmap (ScreenPtr screen, + PixmapPtr pixmap, + CARD16 *stride, + CARD32 *size) +{ + glamor_pixmap_private *pixmap_priv; + glamor_screen_private *glamor_priv = + glamor_get_screen_private(pixmap->drawable.pScreen); + + pixmap_priv = glamor_get_pixmap_private(pixmap); + if (pixmap_priv == NULL || !glamor_priv->dri3_enabled) + return -1; + switch (pixmap_priv->type) + { + case GLAMOR_TEXTURE_DRM: + case GLAMOR_TEXTURE_ONLY: + glamor_pixmap_ensure_fbo(pixmap, GL_RGBA, 0); + return glamor_egl_dri3_fd_name_from_tex(screen, + pixmap, + pixmap_priv->base.fbo->tex, + FALSE, + stride, + size); + default: break; + } + return -1; +} + +int +glamor_dri3_name_from_pixmap (PixmapPtr pixmap) +{ + glamor_pixmap_private *pixmap_priv; + glamor_screen_private *glamor_priv = + glamor_get_screen_private(pixmap->drawable.pScreen); + + pixmap_priv = glamor_get_pixmap_private(pixmap); + if (pixmap_priv == NULL || !glamor_priv->dri3_enabled) + return -1; + switch (pixmap_priv->type) + { + case GLAMOR_TEXTURE_DRM: + case GLAMOR_TEXTURE_ONLY: + glamor_pixmap_ensure_fbo(pixmap, GL_RGBA, 0); + return glamor_egl_dri3_fd_name_from_tex(pixmap->drawable.pScreen, + pixmap, + pixmap_priv->base.fbo->tex, + TRUE, + NULL, + NULL); + default: break; + } + return -1; +} |