diff options
Diffstat (limited to 'libdrm/intel/intel_bufmgr_fake.c')
| -rw-r--r-- | libdrm/intel/intel_bufmgr_fake.c | 1610 |
1 files changed, 0 insertions, 1610 deletions
diff --git a/libdrm/intel/intel_bufmgr_fake.c b/libdrm/intel/intel_bufmgr_fake.c deleted file mode 100644 index 54b3cb80..00000000 --- a/libdrm/intel/intel_bufmgr_fake.c +++ /dev/null @@ -1,1610 +0,0 @@ -/************************************************************************** - * - * Copyright 2006 Tungsten Graphics, Inc., Cedar Park, Texas. - * All Rights Reserved. - * - * 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, 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 TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS 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. - * - **************************************************************************/ - -/* Originally a fake version of the buffer manager so that we can - * prototype the changes in a driver fairly quickly, has been fleshed - * out to a fully functional interim solution. - * - * Basically wraps the old style memory management in the new - * programming interface, but is more expressive and avoids many of - * the bugs in the old texture manager. - */ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include <stdlib.h> -#include <string.h> -#include <assert.h> -#include <errno.h> -#include <xf86drm.h> -#include <pthread.h> -#include "intel_bufmgr.h" -#include "intel_bufmgr_priv.h" -#include "drm.h" -#include "i915_drm.h" -#include "mm.h" -#include "libdrm_lists.h" - -#define DBG(...) do { \ - if (bufmgr_fake->bufmgr.debug) \ - drmMsg(__VA_ARGS__); \ -} while (0) - -/* Internal flags: - */ -#define BM_NO_BACKING_STORE 0x00000001 -#define BM_NO_FENCE_SUBDATA 0x00000002 -#define BM_PINNED 0x00000004 - -/* Wrapper around mm.c's mem_block, which understands that you must - * wait for fences to expire before memory can be freed. This is - * specific to our use of memcpy for uploads - an upload that was - * processed through the command queue wouldn't need to care about - * fences. - */ -#define MAX_RELOCS 4096 - -struct fake_buffer_reloc { - /** Buffer object that the relocation points at. */ - drm_intel_bo *target_buf; - /** Offset of the relocation entry within reloc_buf. */ - uint32_t offset; - /** - * Cached value of the offset when we last performed this relocation. - */ - uint32_t last_target_offset; - /** Value added to target_buf's offset to get the relocation entry. */ - uint32_t delta; - /** Cache domains the target buffer is read into. */ - uint32_t read_domains; - /** Cache domain the target buffer will have dirty cachelines in. */ - uint32_t write_domain; -}; - -struct block { - struct block *next, *prev; - struct mem_block *mem; /* BM_MEM_AGP */ - - /** - * Marks that the block is currently in the aperture and has yet to be - * fenced. - */ - unsigned on_hardware:1; - /** - * Marks that the block is currently fenced (being used by rendering) - * and can't be freed until @fence is passed. - */ - unsigned fenced:1; - - /** Fence cookie for the block. */ - unsigned fence; /* Split to read_fence, write_fence */ - - drm_intel_bo *bo; - void *virtual; -}; - -typedef struct _bufmgr_fake { - drm_intel_bufmgr bufmgr; - - pthread_mutex_t lock; - - unsigned long low_offset; - unsigned long size; - void *virtual; - - struct mem_block *heap; - - unsigned buf_nr; /* for generating ids */ - - /** - * List of blocks which are currently in the GART but haven't been - * fenced yet. - */ - struct block on_hardware; - /** - * List of blocks which are in the GART and have an active fence on - * them. - */ - struct block fenced; - /** - * List of blocks which have an expired fence and are ready to be - * evicted. - */ - struct block lru; - - unsigned int last_fence; - - unsigned fail:1; - unsigned need_fence:1; - int thrashing; - - /** - * Driver callback to emit a fence, returning the cookie. - * - * This allows the driver to hook in a replacement for the DRM usage in - * bufmgr_fake. - * - * Currently, this also requires that a write flush be emitted before - * emitting the fence, but this should change. - */ - unsigned int (*fence_emit) (void *private); - /** Driver callback to wait for a fence cookie to have passed. */ - void (*fence_wait) (unsigned int fence, void *private); - void *fence_priv; - - /** - * Driver callback to execute a buffer. - * - * This allows the driver to hook in a replacement for the DRM usage in - * bufmgr_fake. - */ - int (*exec) (drm_intel_bo *bo, unsigned int used, void *priv); - void *exec_priv; - - /** Driver-supplied argument to driver callbacks */ - void *driver_priv; - /** - * Pointer to kernel-updated sarea data for the last completed user irq - */ - volatile int *last_dispatch; - - int fd; - - int debug; - - int performed_rendering; -} drm_intel_bufmgr_fake; - -typedef struct _drm_intel_bo_fake { - drm_intel_bo bo; - - unsigned id; /* debug only */ - const char *name; - - unsigned dirty:1; - /** - * has the card written to this buffer - we make need to copy it back - */ - unsigned card_dirty:1; - unsigned int refcount; - /* Flags may consist of any of the DRM_BO flags, plus - * DRM_BO_NO_BACKING_STORE and BM_NO_FENCE_SUBDATA, which are the - * first two driver private flags. - */ - uint64_t flags; - /** Cache domains the target buffer is read into. */ - uint32_t read_domains; - /** Cache domain the target buffer will have dirty cachelines in. */ - uint32_t write_domain; - - unsigned int alignment; - int is_static, validated; - unsigned int map_count; - - /** relocation list */ - struct fake_buffer_reloc *relocs; - int nr_relocs; - /** - * Total size of the target_bos of this buffer. - * - * Used for estimation in check_aperture. - */ - unsigned int child_size; - - struct block *block; - void *backing_store; - void (*invalidate_cb) (drm_intel_bo *bo, void *ptr); - void *invalidate_ptr; -} drm_intel_bo_fake; - -static int clear_fenced(drm_intel_bufmgr_fake *bufmgr_fake, - unsigned int fence_cookie); - -#define MAXFENCE 0x7fffffff - -static int -FENCE_LTE(unsigned a, unsigned b) -{ - if (a == b) - return 1; - - if (a < b && b - a < (1 << 24)) - return 1; - - if (a > b && MAXFENCE - a + b < (1 << 24)) - return 1; - - return 0; -} - -void -drm_intel_bufmgr_fake_set_fence_callback(drm_intel_bufmgr *bufmgr, - unsigned int (*emit) (void *priv), - void (*wait) (unsigned int fence, - void *priv), - void *priv) -{ - drm_intel_bufmgr_fake *bufmgr_fake = (drm_intel_bufmgr_fake *) bufmgr; - - bufmgr_fake->fence_emit = emit; - bufmgr_fake->fence_wait = wait; - bufmgr_fake->fence_priv = priv; -} - -static unsigned int -_fence_emit_internal(drm_intel_bufmgr_fake *bufmgr_fake) -{ - struct drm_i915_irq_emit ie; - int ret, seq = 1; - - if (bufmgr_fake->fence_emit != NULL) { - seq = bufmgr_fake->fence_emit(bufmgr_fake->fence_priv); - return seq; - } - - ie.irq_seq = &seq; - ret = drmCommandWriteRead(bufmgr_fake->fd, DRM_I915_IRQ_EMIT, - &ie, sizeof(ie)); - if (ret) { - drmMsg("%s: drm_i915_irq_emit: %d\n", __FUNCTION__, ret); - abort(); - } - - DBG("emit 0x%08x\n", seq); - return seq; -} - -static void -_fence_wait_internal(drm_intel_bufmgr_fake *bufmgr_fake, int seq) -{ - struct drm_i915_irq_wait iw; - int hw_seq, busy_count = 0; - int ret; - int kernel_lied; - - if (bufmgr_fake->fence_wait != NULL) { - bufmgr_fake->fence_wait(seq, bufmgr_fake->fence_priv); - clear_fenced(bufmgr_fake, seq); - return; - } - - DBG("wait 0x%08x\n", iw.irq_seq); - - iw.irq_seq = seq; - - /* The kernel IRQ_WAIT implementation is all sorts of broken. - * 1) It returns 1 to 0x7fffffff instead of using the full 32-bit - * unsigned range. - * 2) It returns 0 if hw_seq >= seq, not seq - hw_seq < 0 on the 32-bit - * signed range. - * 3) It waits if seq < hw_seq, not seq - hw_seq > 0 on the 32-bit - * signed range. - * 4) It returns -EBUSY in 3 seconds even if the hardware is still - * successfully chewing through buffers. - * - * Assume that in userland we treat sequence numbers as ints, which - * makes some of the comparisons convenient, since the sequence - * numbers are all postive signed integers. - * - * From this we get several cases we need to handle. Here's a timeline. - * 0x2 0x7 0x7ffffff8 0x7ffffffd - * | | | | - * ------------------------------------------------------------ - * - * A) Normal wait for hw to catch up - * hw_seq seq - * | | - * ------------------------------------------------------------ - * seq - hw_seq = 5. If we call IRQ_WAIT, it will wait for hw to - * catch up. - * - * B) Normal wait for a sequence number that's already passed. - * seq hw_seq - * | | - * ------------------------------------------------------------ - * seq - hw_seq = -5. If we call IRQ_WAIT, it returns 0 quickly. - * - * C) Hardware has already wrapped around ahead of us - * hw_seq seq - * | | - * ------------------------------------------------------------ - * seq - hw_seq = 0x80000000 - 5. If we called IRQ_WAIT, it would wait - * for hw_seq >= seq, which may never occur. Thus, we want to catch - * this in userland and return 0. - * - * D) We've wrapped around ahead of the hardware. - * seq hw_seq - * | | - * ------------------------------------------------------------ - * seq - hw_seq = -(0x80000000 - 5). If we called IRQ_WAIT, it would - * return 0 quickly because hw_seq >= seq, even though the hardware - * isn't caught up. Thus, we need to catch this early return in - * userland and bother the kernel until the hardware really does - * catch up. - * - * E) Hardware might wrap after we test in userland. - * hw_seq seq - * | | - * ------------------------------------------------------------ - * seq - hw_seq = 5. If we call IRQ_WAIT, it will likely see seq >= - * hw_seq and wait. However, suppose hw_seq wraps before we make it - * into the kernel. The kernel sees hw_seq >= seq and waits for 3 - * seconds then returns -EBUSY. This is case C). We should catch - * this and then return successfully. - * - * F) Hardware might take a long time on a buffer. - * hw_seq seq - * | | - * ------------------------------------------------------------------- - * seq - hw_seq = 5. If we call IRQ_WAIT, if sequence 2 through 5 - * take too long, it will return -EBUSY. Batchbuffers in the - * gltestperf demo were seen to take up to 7 seconds. We should - * catch early -EBUSY return and keep trying. - */ - - do { - /* Keep a copy of last_dispatch so that if the wait -EBUSYs - * because the hardware didn't catch up in 3 seconds, we can - * see if it at least made progress and retry. - */ - hw_seq = *bufmgr_fake->last_dispatch; - - /* Catch case C */ - if (seq - hw_seq > 0x40000000) - return; - - ret = drmCommandWrite(bufmgr_fake->fd, DRM_I915_IRQ_WAIT, - &iw, sizeof(iw)); - /* Catch case D */ - kernel_lied = (ret == 0) && (seq - *bufmgr_fake->last_dispatch < - -0x40000000); - - /* Catch case E */ - if (ret == -EBUSY - && (seq - *bufmgr_fake->last_dispatch > 0x40000000)) - ret = 0; - - /* Catch case F: Allow up to 15 seconds chewing on one buffer. */ - if ((ret == -EBUSY) && (hw_seq != *bufmgr_fake->last_dispatch)) - busy_count = 0; - else - busy_count++; - } while (kernel_lied || ret == -EAGAIN || ret == -EINTR || - (ret == -EBUSY && busy_count < 5)); - - if (ret != 0) { - drmMsg("%s:%d: Error waiting for fence: %s.\n", __FILE__, - __LINE__, strerror(-ret)); - abort(); - } - clear_fenced(bufmgr_fake, seq); -} - -static int -_fence_test(drm_intel_bufmgr_fake *bufmgr_fake, unsigned fence) -{ - /* Slight problem with wrap-around: - */ - return fence == 0 || FENCE_LTE(fence, bufmgr_fake->last_fence); -} - -/** - * Allocate a memory manager block for the buffer. - */ -static int -alloc_block(drm_intel_bo *bo) -{ - drm_intel_bo_fake *bo_fake = (drm_intel_bo_fake *) bo; - drm_intel_bufmgr_fake *bufmgr_fake = - (drm_intel_bufmgr_fake *) bo->bufmgr; - struct block *block = (struct block *)calloc(sizeof *block, 1); - unsigned int align_log2 = ffs(bo_fake->alignment) - 1; - unsigned int sz; - - if (!block) - return 1; - - sz = (bo->size + bo_fake->alignment - 1) & ~(bo_fake->alignment - 1); - - block->mem = mmAllocMem(bufmgr_fake->heap, sz, align_log2, 0); - if (!block->mem) { - free(block); - return 0; - } - - DRMINITLISTHEAD(block); - - /* Insert at head or at tail??? */ - DRMLISTADDTAIL(block, &bufmgr_fake->lru); - - block->virtual = (uint8_t *) bufmgr_fake->virtual + - block->mem->ofs - bufmgr_fake->low_offset; - block->bo = bo; - - bo_fake->block = block; - - return 1; -} - -/* Release the card storage associated with buf: - */ -static void -free_block(drm_intel_bufmgr_fake *bufmgr_fake, struct block *block, - int skip_dirty_copy) -{ - drm_intel_bo_fake *bo_fake; - DBG("free block %p %08x %d %d\n", block, block->mem->ofs, - block->on_hardware, block->fenced); - - if (!block) - return; - - bo_fake = (drm_intel_bo_fake *) block->bo; - - if (bo_fake->flags & (BM_PINNED | BM_NO_BACKING_STORE)) - skip_dirty_copy = 1; - - if (!skip_dirty_copy && (bo_fake->card_dirty == 1)) { - memcpy(bo_fake->backing_store, block->virtual, block->bo->size); - bo_fake->card_dirty = 0; - bo_fake->dirty = 1; - } - - if (block->on_hardware) { - block->bo = NULL; - } else if (block->fenced) { - block->bo = NULL; - } else { - DBG(" - free immediately\n"); - DRMLISTDEL(block); - - mmFreeMem(block->mem); - free(block); - } -} - -static void -alloc_backing_store(drm_intel_bo *bo) -{ - drm_intel_bufmgr_fake *bufmgr_fake = - (drm_intel_bufmgr_fake *) bo->bufmgr; - drm_intel_bo_fake *bo_fake = (drm_intel_bo_fake *) bo; - assert(!bo_fake->backing_store); - assert(!(bo_fake->flags & (BM_PINNED | BM_NO_BACKING_STORE))); - - bo_fake->backing_store = malloc(bo->size); - - DBG("alloc_backing - buf %d %p %d\n", bo_fake->id, - bo_fake->backing_store, bo->size); - assert(bo_fake->backing_store); -} - -static void -free_backing_store(drm_intel_bo *bo) -{ - drm_intel_bo_fake *bo_fake = (drm_intel_bo_fake *) bo; - - if (bo_fake->backing_store) { - assert(!(bo_fake->flags & (BM_PINNED | BM_NO_BACKING_STORE))); - free(bo_fake->backing_store); - bo_fake->backing_store = NULL; - } -} - -static void -set_dirty(drm_intel_bo *bo) -{ - drm_intel_bufmgr_fake *bufmgr_fake = - (drm_intel_bufmgr_fake *) bo->bufmgr; - drm_intel_bo_fake *bo_fake = (drm_intel_bo_fake *) bo; - - if (bo_fake->flags & BM_NO_BACKING_STORE - && bo_fake->invalidate_cb != NULL) - bo_fake->invalidate_cb(bo, bo_fake->invalidate_ptr); - - assert(!(bo_fake->flags & BM_PINNED)); - - DBG("set_dirty - buf %d\n", bo_fake->id); - bo_fake->dirty = 1; -} - -static int -evict_lru(drm_intel_bufmgr_fake *bufmgr_fake, unsigned int max_fence) -{ - struct block *block, *tmp; - - DBG("%s\n", __FUNCTION__); - - DRMLISTFOREACHSAFE(block, tmp, &bufmgr_fake->lru) { - drm_intel_bo_fake *bo_fake = (drm_intel_bo_fake *) block->bo; - - if (bo_fake != NULL && (bo_fake->flags & BM_NO_FENCE_SUBDATA)) - continue; - - if (block->fence && max_fence && !FENCE_LTE(block->fence, - max_fence)) - return 0; - - set_dirty(&bo_fake->bo); - bo_fake->block = NULL; - - free_block(bufmgr_fake, block, 0); - return 1; - } - - return 0; -} - -static int -evict_mru(drm_intel_bufmgr_fake *bufmgr_fake) -{ - struct block *block, *tmp; - - DBG("%s\n", __FUNCTION__); - - DRMLISTFOREACHSAFEREVERSE(block, tmp, &bufmgr_fake->lru) { - drm_intel_bo_fake *bo_fake = (drm_intel_bo_fake *) block->bo; - - if (bo_fake && (bo_fake->flags & BM_NO_FENCE_SUBDATA)) - continue; - - set_dirty(&bo_fake->bo); - bo_fake->block = NULL; - - free_block(bufmgr_fake, block, 0); - return 1; - } - - return 0; -} - -/** - * Removes all objects from the fenced list older than the given fence. - */ -static int -clear_fenced(drm_intel_bufmgr_fake *bufmgr_fake, unsigned int fence_cookie) -{ - struct block *block, *tmp; - int ret = 0; - - bufmgr_fake->last_fence = fence_cookie; - DRMLISTFOREACHSAFE(block, tmp, &bufmgr_fake->fenced) { - assert(block->fenced); - - if (_fence_test(bufmgr_fake, block->fence)) { - - block->fenced = 0; - - if (!block->bo) { - DBG("delayed free: offset %x sz %x\n", - block->mem->ofs, block->mem->size); - DRMLISTDEL(block); - mmFreeMem(block->mem); - free(block); - } else { - DBG("return to lru: offset %x sz %x\n", - block->mem->ofs, block->mem->size); - DRMLISTDEL(block); - DRMLISTADDTAIL(block, &bufmgr_fake->lru); - } - - ret = 1; - } else { - /* Blocks are ordered by fence, so if one fails, all - * from here will fail also: - */ - DBG("fence not passed: offset %x sz %x %d %d \n", - block->mem->ofs, block->mem->size, block->fence, - bufmgr_fake->last_fence); - break; - } - } - - DBG("%s: %d\n", __FUNCTION__, ret); - return ret; -} - -static void -fence_blocks(drm_intel_bufmgr_fake *bufmgr_fake, unsigned fence) -{ - struct block *block, *tmp; - - DRMLISTFOREACHSAFE(block, tmp, &bufmgr_fake->on_hardware) { - DBG("Fence block %p (sz 0x%x ofs %x buf %p) with fence %d\n", - block, block->mem->size, block->mem->ofs, block->bo, fence); - block->fence = fence; - - block->on_hardware = 0; - block->fenced = 1; - - /* Move to tail of pending list here - */ - DRMLISTDEL(block); - DRMLISTADDTAIL(block, &bufmgr_fake->fenced); - } - - assert(DRMLISTEMPTY(&bufmgr_fake->on_hardware)); -} - -static int -evict_and_alloc_block(drm_intel_bo *bo) -{ - drm_intel_bufmgr_fake *bufmgr_fake = - (drm_intel_bufmgr_fake *) bo->bufmgr; - drm_intel_bo_fake *bo_fake = (drm_intel_bo_fake *) bo; - - assert(bo_fake->block == NULL); - - /* Search for already free memory: - */ - if (alloc_block(bo)) - return 1; - - /* If we're not thrashing, allow lru eviction to dig deeper into - * recently used textures. We'll probably be thrashing soon: - */ - if (!bufmgr_fake->thrashing) { - while (evict_lru(bufmgr_fake, 0)) - if (alloc_block(bo)) - return 1; - } - - /* Keep thrashing counter alive? - */ - if (bufmgr_fake->thrashing) - bufmgr_fake->thrashing = 20; - - /* Wait on any already pending fences - here we are waiting for any - * freed memory that has been submitted to hardware and fenced to - * become available: - */ - while (!DRMLISTEMPTY(&bufmgr_fake->fenced)) { - uint32_t fence = bufmgr_fake->fenced.next->fence; - _fence_wait_internal(bufmgr_fake, fence); - - if (alloc_block(bo)) - return 1; - } - - if (!DRMLISTEMPTY(&bufmgr_fake->on_hardware)) { - while (!DRMLISTEMPTY(&bufmgr_fake->fenced)) { - uint32_t fence = bufmgr_fake->fenced.next->fence; - _fence_wait_internal(bufmgr_fake, fence); - } - - if (!bufmgr_fake->thrashing) { - DBG("thrashing\n"); - } - bufmgr_fake->thrashing = 20; - - if (alloc_block(bo)) - return 1; - } - - while (evict_mru(bufmgr_fake)) - if (alloc_block(bo)) - return 1; - - DBG("%s 0x%x bytes failed\n", __FUNCTION__, bo->size); - - return 0; -} - -/*********************************************************************** - * Public functions - */ - -/** - * Wait for hardware idle by emitting a fence and waiting for it. - */ -static void -drm_intel_bufmgr_fake_wait_idle(drm_intel_bufmgr_fake *bufmgr_fake) -{ - unsigned int cookie; - - cookie = _fence_emit_internal(bufmgr_fake); - _fence_wait_internal(bufmgr_fake, cookie); -} - -/** - * Wait for rendering to a buffer to complete. - * - * It is assumed that the bathcbuffer which performed the rendering included - * the necessary flushing. - */ -static void -drm_intel_fake_bo_wait_rendering_locked(drm_intel_bo *bo) -{ - drm_intel_bufmgr_fake *bufmgr_fake = - (drm_intel_bufmgr_fake *) bo->bufmgr; - drm_intel_bo_fake *bo_fake = (drm_intel_bo_fake *) bo; - - if (bo_fake->block == NULL || !bo_fake->block->fenced) - return; - - _fence_wait_internal(bufmgr_fake, bo_fake->block->fence); -} - -static void -drm_intel_fake_bo_wait_rendering(drm_intel_bo *bo) -{ - drm_intel_bufmgr_fake *bufmgr_fake = - (drm_intel_bufmgr_fake *) bo->bufmgr; - - pthread_mutex_lock(&bufmgr_fake->lock); - drm_intel_fake_bo_wait_rendering_locked(bo); - pthread_mutex_unlock(&bufmgr_fake->lock); -} - -/* Specifically ignore texture memory sharing. - * -- just evict everything - * -- and wait for idle - */ -void -drm_intel_bufmgr_fake_contended_lock_take(drm_intel_bufmgr *bufmgr) -{ - drm_intel_bufmgr_fake *bufmgr_fake = (drm_intel_bufmgr_fake *) bufmgr; - struct block *block, *tmp; - - pthread_mutex_lock(&bufmgr_fake->lock); - - bufmgr_fake->need_fence = 1; - bufmgr_fake->fail = 0; - - /* Wait for hardware idle. We don't know where acceleration has been - * happening, so we'll need to wait anyway before letting anything get - * put on the card again. - */ - drm_intel_bufmgr_fake_wait_idle(bufmgr_fake); - - /* Check that we hadn't released the lock without having fenced the last - * set of buffers. - */ - assert(DRMLISTEMPTY(&bufmgr_fake->fenced)); - assert(DRMLISTEMPTY(&bufmgr_fake->on_hardware)); - - DRMLISTFOREACHSAFE(block, tmp, &bufmgr_fake->lru) { - assert(_fence_test(bufmgr_fake, block->fence)); - set_dirty(block->bo); - } - - pthread_mutex_unlock(&bufmgr_fake->lock); -} - -static drm_intel_bo * -drm_intel_fake_bo_alloc(drm_intel_bufmgr *bufmgr, - const char *name, - unsigned long size, - unsigned int alignment) -{ - drm_intel_bufmgr_fake *bufmgr_fake; - drm_intel_bo_fake *bo_fake; - - bufmgr_fake = (drm_intel_bufmgr_fake *) bufmgr; - - assert(size != 0); - - bo_fake = calloc(1, sizeof(*bo_fake)); - if (!bo_fake) - return NULL; - - bo_fake->bo.size = size; - bo_fake->bo.offset = -1; - bo_fake->bo.virtual = NULL; - bo_fake->bo.bufmgr = bufmgr; - bo_fake->refcount = 1; - - /* Alignment must be a power of two */ - assert((alignment & (alignment - 1)) == 0); - if (alignment == 0) - alignment = 1; - bo_fake->alignment = alignment; - bo_fake->id = ++bufmgr_fake->buf_nr; - bo_fake->name = name; - bo_fake->flags = 0; - bo_fake->is_static = 0; - - DBG("drm_bo_alloc: (buf %d: %s, %d kb)\n", bo_fake->id, bo_fake->name, - bo_fake->bo.size / 1024); - - return &bo_fake->bo; -} - -static drm_intel_bo * -drm_intel_fake_bo_alloc_tiled(drm_intel_bufmgr * bufmgr, - const char *name, - int x, int y, int cpp, - uint32_t *tiling_mode, - unsigned long *pitch, - unsigned long flags) -{ - unsigned long stride, aligned_y; - - /* No runtime tiling support for fake. */ - *tiling_mode = I915_TILING_NONE; - - /* Align it for being a render target. Shouldn't need anything else. */ - stride = x * cpp; - stride = ROUND_UP_TO(stride, 64); - - /* 965 subspan loading alignment */ - aligned_y = ALIGN(y, 2); - - *pitch = stride; - - return drm_intel_fake_bo_alloc(bufmgr, name, stride * aligned_y, - 4096); -} - -drm_intel_bo * -drm_intel_bo_fake_alloc_static(drm_intel_bufmgr *bufmgr, - const char *name, - unsigned long offset, - unsigned long size, void *virtual) -{ - drm_intel_bufmgr_fake *bufmgr_fake; - drm_intel_bo_fake *bo_fake; - - bufmgr_fake = (drm_intel_bufmgr_fake *) bufmgr; - - assert(size != 0); - - bo_fake = calloc(1, sizeof(*bo_fake)); - if (!bo_fake) - return NULL; - - bo_fake->bo.size = size; - bo_fake->bo.offset = offset; - bo_fake->bo.virtual = virtual; - bo_fake->bo.bufmgr = bufmgr; - bo_fake->refcount = 1; - bo_fake->id = ++bufmgr_fake->buf_nr; - bo_fake->name = name; - bo_fake->flags = BM_PINNED; - bo_fake->is_static = 1; - - DBG("drm_bo_alloc_static: (buf %d: %s, %d kb)\n", bo_fake->id, - bo_fake->name, bo_fake->bo.size / 1024); - - return &bo_fake->bo; -} - -static void -drm_intel_fake_bo_reference(drm_intel_bo *bo) -{ - drm_intel_bufmgr_fake *bufmgr_fake = - (drm_intel_bufmgr_fake *) bo->bufmgr; - drm_intel_bo_fake *bo_fake = (drm_intel_bo_fake *) bo; - - pthread_mutex_lock(&bufmgr_fake->lock); - bo_fake->refcount++; - pthread_mutex_unlock(&bufmgr_fake->lock); -} - -static void -drm_intel_fake_bo_reference_locked(drm_intel_bo *bo) -{ - drm_intel_bo_fake *bo_fake = (drm_intel_bo_fake *) bo; - - bo_fake->refcount++; -} - -static void -drm_intel_fake_bo_unreference_locked(drm_intel_bo *bo) -{ - drm_intel_bufmgr_fake *bufmgr_fake = - (drm_intel_bufmgr_fake *) bo->bufmgr; - drm_intel_bo_fake *bo_fake = (drm_intel_bo_fake *) bo; - int i; - - if (--bo_fake->refcount == 0) { - assert(bo_fake->map_count == 0); - /* No remaining references, so free it */ - if (bo_fake->block) - free_block(bufmgr_fake, bo_fake->block, 1); - free_backing_store(bo); - - for (i = 0; i < bo_fake->nr_relocs; i++) - drm_intel_fake_bo_unreference_locked(bo_fake->relocs[i]. - target_buf); - - DBG("drm_bo_unreference: free buf %d %s\n", bo_fake->id, - bo_fake->name); - - free(bo_fake->relocs); - free(bo); - } -} - -static void -drm_intel_fake_bo_unreference(drm_intel_bo *bo) -{ - drm_intel_bufmgr_fake *bufmgr_fake = - (drm_intel_bufmgr_fake *) bo->bufmgr; - - pthread_mutex_lock(&bufmgr_fake->lock); - drm_intel_fake_bo_unreference_locked(bo); - pthread_mutex_unlock(&bufmgr_fake->lock); -} - -/** - * Set the buffer as not requiring backing store, and instead get the callback - * invoked whenever it would be set dirty. - */ -void -drm_intel_bo_fake_disable_backing_store(drm_intel_bo *bo, - void (*invalidate_cb) (drm_intel_bo *bo, - void *ptr), - void *ptr) -{ - drm_intel_bufmgr_fake *bufmgr_fake = - (drm_intel_bufmgr_fake *) bo->bufmgr; - drm_intel_bo_fake *bo_fake = (drm_intel_bo_fake *) bo; - - pthread_mutex_lock(&bufmgr_fake->lock); - - if (bo_fake->backing_store) - free_backing_store(bo); - - bo_fake->flags |= BM_NO_BACKING_STORE; - - DBG("disable_backing_store set buf %d dirty\n", bo_fake->id); - bo_fake->dirty = 1; - bo_fake->invalidate_cb = invalidate_cb; - bo_fake->invalidate_ptr = ptr; - - /* Note that it is invalid right from the start. Also note - * invalidate_cb is called with the bufmgr locked, so cannot - * itself make bufmgr calls. - */ - if (invalidate_cb != NULL) - invalidate_cb(bo, ptr); - - pthread_mutex_unlock(&bufmgr_fake->lock); -} - -/** - * Map a buffer into bo->virtual, allocating either card memory space (If - * BM_NO_BACKING_STORE or BM_PINNED) or backing store, as necessary. - */ -static int - drm_intel_fake_bo_map_locked(drm_intel_bo *bo, int write_enable) -{ - drm_intel_bufmgr_fake *bufmgr_fake = - (drm_intel_bufmgr_fake *) bo->bufmgr; - drm_intel_bo_fake *bo_fake = (drm_intel_bo_fake *) bo; - - /* Static buffers are always mapped. */ - if (bo_fake->is_static) { - if (bo_fake->card_dirty) { - drm_intel_bufmgr_fake_wait_idle(bufmgr_fake); - bo_fake->card_dirty = 0; - } - return 0; - } - - /* Allow recursive mapping. Mesa may recursively map buffers with - * nested display loops, and it is used internally in bufmgr_fake - * for relocation. - */ - if (bo_fake->map_count++ != 0) - return 0; - - { - DBG("drm_bo_map: (buf %d: %s, %d kb)\n", bo_fake->id, - bo_fake->name, bo_fake->bo.size / 1024); - - if (bo->virtual != NULL) { - drmMsg("%s: already mapped\n", __FUNCTION__); - abort(); - } else if (bo_fake->flags & (BM_NO_BACKING_STORE | BM_PINNED)) { - - if (!bo_fake->block && !evict_and_alloc_block(bo)) { - DBG("%s: alloc failed\n", __FUNCTION__); - bufmgr_fake->fail = 1; - return 1; - } else { - assert(bo_fake->block); - bo_fake->dirty = 0; - - if (!(bo_fake->flags & BM_NO_FENCE_SUBDATA) && - bo_fake->block->fenced) { - drm_intel_fake_bo_wait_rendering_locked - (bo); - } - - bo->virtual = bo_fake->block->virtual; - } - } else { - if (write_enable) - set_dirty(bo); - - if (bo_fake->backing_store == 0) - alloc_backing_store(bo); - - if ((bo_fake->card_dirty == 1) && bo_fake->block) { - if (bo_fake->block->fenced) - drm_intel_fake_bo_wait_rendering_locked - (bo); - - memcpy(bo_fake->backing_store, - bo_fake->block->virtual, - bo_fake->block->bo->size); - bo_fake->card_dirty = 0; - } - - bo->virtual = bo_fake->backing_store; - } - } - - return 0; -} - -static int - drm_intel_fake_bo_map(drm_intel_bo *bo, int write_enable) -{ - drm_intel_bufmgr_fake *bufmgr_fake = - (drm_intel_bufmgr_fake *) bo->bufmgr; - int ret; - - pthread_mutex_lock(&bufmgr_fake->lock); - ret = drm_intel_fake_bo_map_locked(bo, write_enable); - pthread_mutex_unlock(&bufmgr_fake->lock); - - return ret; -} - -static int - drm_intel_fake_bo_unmap_locked(drm_intel_bo *bo) -{ - drm_intel_bufmgr_fake *bufmgr_fake = - (drm_intel_bufmgr_fake *) bo->bufmgr; - drm_intel_bo_fake *bo_fake = (drm_intel_bo_fake *) bo; - - /* Static buffers are always mapped. */ - if (bo_fake->is_static) - return 0; - - assert(bo_fake->map_count != 0); - if (--bo_fake->map_count != 0) - return 0; - - DBG("drm_bo_unmap: (buf %d: %s, %d kb)\n", bo_fake->id, bo_fake->name, - bo_fake->bo.size / 1024); - - bo->virtual = NULL; - - return 0; -} - -static int drm_intel_fake_bo_unmap(drm_intel_bo *bo) -{ - drm_intel_bufmgr_fake *bufmgr_fake = - (drm_intel_bufmgr_fake *) bo->bufmgr; - int ret; - - pthread_mutex_lock(&bufmgr_fake->lock); - ret = drm_intel_fake_bo_unmap_locked(bo); - pthread_mutex_unlock(&bufmgr_fake->lock); - - return ret; -} - -static void - drm_intel_fake_kick_all_locked(drm_intel_bufmgr_fake *bufmgr_fake) -{ - struct block *block, *tmp; - - bufmgr_fake->performed_rendering = 0; - /* okay for ever BO that is on the HW kick it off. - seriously not afraid of the POLICE right now */ - DRMLISTFOREACHSAFE(block, tmp, &bufmgr_fake->on_hardware) { - drm_intel_bo_fake *bo_fake = (drm_intel_bo_fake *) block->bo; - - block->on_hardware = 0; - free_block(bufmgr_fake, block, 0); - bo_fake->block = NULL; - bo_fake->validated = 0; - if (!(bo_fake->flags & BM_NO_BACKING_STORE)) - bo_fake->dirty = 1; - } - -} - -static int - drm_intel_fake_bo_validate(drm_intel_bo *bo) -{ - drm_intel_bufmgr_fake *bufmgr_fake; - drm_intel_bo_fake *bo_fake = (drm_intel_bo_fake *) bo; - - bufmgr_fake = (drm_intel_bufmgr_fake *) bo->bufmgr; - - DBG("drm_bo_validate: (buf %d: %s, %d kb)\n", bo_fake->id, - bo_fake->name, bo_fake->bo.size / 1024); - - /* Sanity check: Buffers should be unmapped before being validated. - * This is not so much of a problem for bufmgr_fake, but TTM refuses, - * and the problem is harder to debug there. - */ - assert(bo_fake->map_count == 0); - - if (bo_fake->is_static) { - /* Add it to the needs-fence list */ - bufmgr_fake->need_fence = 1; - return 0; - } - - /* Allocate the card memory */ - if (!bo_fake->block && !evict_and_alloc_block(bo)) { - bufmgr_fake->fail = 1; - DBG("Failed to validate buf %d:%s\n", bo_fake->id, - bo_fake->name); - return -1; - } - - assert(bo_fake->block); - assert(bo_fake->block->bo == &bo_fake->bo); - - bo->offset = bo_fake->block->mem->ofs; - - /* Upload the buffer contents if necessary */ - if (bo_fake->dirty) { - DBG("Upload dirty buf %d:%s, sz %d offset 0x%x\n", bo_fake->id, - bo_fake->name, bo->size, bo_fake->block->mem->ofs); - - assert(!(bo_fake->flags & (BM_NO_BACKING_STORE | BM_PINNED))); - - /* Actually, should be able to just wait for a fence on the - * mmory, hich we would be tracking when we free it. Waiting - * for idle is a sufficiently large hammer for now. - */ - drm_intel_bufmgr_fake_wait_idle(bufmgr_fake); - - /* we may never have mapped this BO so it might not have any - * backing store if this happens it should be rare, but 0 the - * card memory in any case */ - if (bo_fake->backing_store) - memcpy(bo_fake->block->virtual, bo_fake->backing_store, - bo->size); - else - memset(bo_fake->block->virtual, 0, bo->size); - - bo_fake->dirty = 0; - } - - bo_fake->block->fenced = 0; - bo_fake->block->on_hardware = 1; - DRMLISTDEL(bo_fake->block); - DRMLISTADDTAIL(bo_fake->block, &bufmgr_fake->on_hardware); - - bo_fake->validated = 1; - bufmgr_fake->need_fence = 1; - - return 0; -} - -static void -drm_intel_fake_fence_validated(drm_intel_bufmgr *bufmgr) -{ - drm_intel_bufmgr_fake *bufmgr_fake = (drm_intel_bufmgr_fake *) bufmgr; - unsigned int cookie; - - cookie = _fence_emit_internal(bufmgr_fake); - fence_blocks(bufmgr_fake, cookie); - - DBG("drm_fence_validated: 0x%08x cookie\n", cookie); -} - -static void -drm_intel_fake_destroy(drm_intel_bufmgr *bufmgr) -{ - drm_intel_bufmgr_fake *bufmgr_fake = (drm_intel_bufmgr_fake *) bufmgr; - - pthread_mutex_destroy(&bufmgr_fake->lock); - mmDestroy(bufmgr_fake->heap); - free(bufmgr); -} - -static int -drm_intel_fake_emit_reloc(drm_intel_bo *bo, uint32_t offset, - drm_intel_bo *target_bo, uint32_t target_offset, - uint32_t read_domains, uint32_t write_domain) -{ - drm_intel_bufmgr_fake *bufmgr_fake = - (drm_intel_bufmgr_fake *) bo->bufmgr; - struct fake_buffer_reloc *r; - drm_intel_bo_fake *bo_fake = (drm_intel_bo_fake *) bo; - drm_intel_bo_fake *target_fake = (drm_intel_bo_fake *) target_bo; - int i; - - pthread_mutex_lock(&bufmgr_fake->lock); - - assert(bo); - assert(target_bo); - - if (bo_fake->relocs == NULL) { - bo_fake->relocs = - malloc(sizeof(struct fake_buffer_reloc) * MAX_RELOCS); - } - - r = &bo_fake->relocs[bo_fake->nr_relocs++]; - - assert(bo_fake->nr_relocs <= MAX_RELOCS); - - drm_intel_fake_bo_reference_locked(target_bo); - - if (!target_fake->is_static) { - bo_fake->child_size += - ALIGN(target_bo->size, target_fake->alignment); - bo_fake->child_size += target_fake->child_size; - } - r->target_buf = target_bo; - r->offset = offset; - r->last_target_offset = target_bo->offset; - r->delta = target_offset; - r->read_domains = read_domains; - r->write_domain = write_domain; - - if (bufmgr_fake->debug) { - /* Check that a conflicting relocation hasn't already been - * emitted. - */ - for (i = 0; i < bo_fake->nr_relocs - 1; i++) { - struct fake_buffer_reloc *r2 = &bo_fake->relocs[i]; - - assert(r->offset != r2->offset); - } - } - - pthread_mutex_unlock(&bufmgr_fake->lock); - - return 0; -} - -/** - * Incorporates the validation flags associated with each relocation into - * the combined validation flags for the buffer on this batchbuffer submission. - */ -static void -drm_intel_fake_calculate_domains(drm_intel_bo *bo) -{ - drm_intel_bo_fake *bo_fake = (drm_intel_bo_fake *) bo; - int i; - - for (i = 0; i < bo_fake->nr_relocs; i++) { - struct fake_buffer_reloc *r = &bo_fake->relocs[i]; - drm_intel_bo_fake *target_fake = - (drm_intel_bo_fake *) r->target_buf; - - /* Do the same for the tree of buffers we depend on */ - drm_intel_fake_calculate_domains(r->target_buf); - - target_fake->read_domains |= r->read_domains; - target_fake->write_domain |= r->write_domain; - } -} - -static int -drm_intel_fake_reloc_and_validate_buffer(drm_intel_bo *bo) -{ - drm_intel_bufmgr_fake *bufmgr_fake = - (drm_intel_bufmgr_fake *) bo->bufmgr; - drm_intel_bo_fake *bo_fake = (drm_intel_bo_fake *) bo; - int i, ret; - - assert(bo_fake->map_count == 0); - - for (i = 0; i < bo_fake->nr_relocs; i++) { - struct fake_buffer_reloc *r = &bo_fake->relocs[i]; - drm_intel_bo_fake *target_fake = - (drm_intel_bo_fake *) r->target_buf; - uint32_t reloc_data; - - /* Validate the target buffer if that hasn't been done. */ - if (!target_fake->validated) { - ret = - drm_intel_fake_reloc_and_validate_buffer(r->target_buf); - if (ret != 0) { - if (bo->virtual != NULL) - drm_intel_fake_bo_unmap_locked(bo); - return ret; - } - } - - /* Calculate the value of the relocation entry. */ - if (r->target_buf->offset != r->last_target_offset) { - reloc_data = r->target_buf->offset + r->delta; - - if (bo->virtual == NULL) - drm_intel_fake_bo_map_locked(bo, 1); - - *(uint32_t *) ((uint8_t *) bo->virtual + r->offset) = - reloc_data; - - r->last_target_offset = r->target_buf->offset; - } - } - - if (bo->virtual != NULL) - drm_intel_fake_bo_unmap_locked(bo); - - if (bo_fake->write_domain != 0) { - if (!(bo_fake->flags & (BM_NO_BACKING_STORE | BM_PINNED))) { - if (bo_fake->backing_store == 0) - alloc_backing_store(bo); - } - bo_fake->card_dirty = 1; - bufmgr_fake->performed_rendering = 1; - } - - return drm_intel_fake_bo_validate(bo); -} - -static void -drm_intel_bo_fake_post_submit(drm_intel_bo *bo) -{ - drm_intel_bufmgr_fake *bufmgr_fake = - (drm_intel_bufmgr_fake *) bo->bufmgr; - drm_intel_bo_fake *bo_fake = (drm_intel_bo_fake *) bo; - int i; - - for (i = 0; i < bo_fake->nr_relocs; i++) { - struct fake_buffer_reloc *r = &bo_fake->relocs[i]; - drm_intel_bo_fake *target_fake = - (drm_intel_bo_fake *) r->target_buf; - - if (target_fake->validated) - drm_intel_bo_fake_post_submit(r->target_buf); - - DBG("%s@0x%08x + 0x%08x -> %s@0x%08x + 0x%08x\n", - bo_fake->name, (uint32_t) bo->offset, r->offset, - target_fake->name, (uint32_t) r->target_buf->offset, - r->delta); - } - - assert(bo_fake->map_count == 0); - bo_fake->validated = 0; - bo_fake->read_domains = 0; - bo_fake->write_domain = 0; -} - -void -drm_intel_bufmgr_fake_set_exec_callback(drm_intel_bufmgr *bufmgr, - int (*exec) (drm_intel_bo *bo, - unsigned int used, - void *priv), - void *priv) -{ - drm_intel_bufmgr_fake *bufmgr_fake = (drm_intel_bufmgr_fake *) bufmgr; - - bufmgr_fake->exec = exec; - bufmgr_fake->exec_priv = priv; -} - -static int -drm_intel_fake_bo_exec(drm_intel_bo *bo, int used, - drm_clip_rect_t * cliprects, int num_cliprects, int DR4) -{ - drm_intel_bufmgr_fake *bufmgr_fake = - (drm_intel_bufmgr_fake *) bo->bufmgr; - drm_intel_bo_fake *batch_fake = (drm_intel_bo_fake *) bo; - struct drm_i915_batchbuffer batch; - int ret; - int retry_count = 0; - - pthread_mutex_lock(&bufmgr_fake->lock); - - bufmgr_fake->performed_rendering = 0; - - drm_intel_fake_calculate_domains(bo); - - batch_fake->read_domains = I915_GEM_DOMAIN_COMMAND; - - /* we've ran out of RAM so blow the whole lot away and retry */ -restart: - ret = drm_intel_fake_reloc_and_validate_buffer(bo); - if (bufmgr_fake->fail == 1) { - if (retry_count == 0) { - retry_count++; - drm_intel_fake_kick_all_locked(bufmgr_fake); - bufmgr_fake->fail = 0; - goto restart; - } else /* dump out the memory here */ - mmDumpMemInfo(bufmgr_fake->heap); - } - - assert(ret == 0); - - if (bufmgr_fake->exec != NULL) { - int ret = bufmgr_fake->exec(bo, used, bufmgr_fake->exec_priv); - if (ret != 0) { - pthread_mutex_unlock(&bufmgr_fake->lock); - return ret; - } - } else { - batch.start = bo->offset; - batch.used = used; - batch.cliprects = cliprects; - batch.num_cliprects = num_cliprects; - batch.DR1 = 0; - batch.DR4 = DR4; - - if (drmCommandWrite - (bufmgr_fake->fd, DRM_I915_BATCHBUFFER, &batch, - sizeof(batch))) { - drmMsg("DRM_I915_BATCHBUFFER: %d\n", -errno); - pthread_mutex_unlock(&bufmgr_fake->lock); - return -errno; - } - } - - drm_intel_fake_fence_validated(bo->bufmgr); - - drm_intel_bo_fake_post_submit(bo); - - pthread_mutex_unlock(&bufmgr_fake->lock); - - return 0; -} - -/** - * Return an error if the list of BOs will exceed the aperture size. - * - * This is a rough guess and likely to fail, as during the validate sequence we - * may place a buffer in an inopportune spot early on and then fail to fit - * a set smaller than the aperture. - */ -static int -drm_intel_fake_check_aperture_space(drm_intel_bo ** bo_array, int count) -{ - drm_intel_bufmgr_fake *bufmgr_fake = - (drm_intel_bufmgr_fake *) bo_array[0]->bufmgr; - unsigned int sz = 0; - int i; - - for (i = 0; i < count; i++) { - drm_intel_bo_fake *bo_fake = (drm_intel_bo_fake *) bo_array[i]; - - if (bo_fake == NULL) - continue; - - if (!bo_fake->is_static) - sz += ALIGN(bo_array[i]->size, bo_fake->alignment); - sz += bo_fake->child_size; - } - - if (sz > bufmgr_fake->size) { - DBG("check_space: overflowed bufmgr size, %dkb vs %dkb\n", - sz / 1024, bufmgr_fake->size / 1024); - return -1; - } - - DBG("drm_check_space: sz %dkb vs bufgr %dkb\n", sz / 1024, - bufmgr_fake->size / 1024); - return 0; -} - -/** - * Evicts all buffers, waiting for fences to pass and copying contents out - * as necessary. - * - * Used by the X Server on LeaveVT, when the card memory is no longer our - * own. - */ -void drm_intel_bufmgr_fake_evict_all(drm_intel_bufmgr *bufmgr) -{ - drm_intel_bufmgr_fake *bufmgr_fake = (drm_intel_bufmgr_fake *) bufmgr; - struct block *block, *tmp; - - pthread_mutex_lock(&bufmgr_fake->lock); - - bufmgr_fake->need_fence = 1; - bufmgr_fake->fail = 0; - - /* Wait for hardware idle. We don't know where acceleration has been - * happening, so we'll need to wait anyway before letting anything get - * put on the card again. - */ - drm_intel_bufmgr_fake_wait_idle(bufmgr_fake); - - /* Check that we hadn't released the lock without having fenced the last - * set of buffers. - */ - assert(DRMLISTEMPTY(&bufmgr_fake->fenced)); - assert(DRMLISTEMPTY(&bufmgr_fake->on_hardware)); - - DRMLISTFOREACHSAFE(block, tmp, &bufmgr_fake->lru) { - drm_intel_bo_fake *bo_fake = (drm_intel_bo_fake *) block->bo; - /* Releases the memory, and memcpys dirty contents out if - * necessary. - */ - free_block(bufmgr_fake, block, 0); - bo_fake->block = NULL; - } - - pthread_mutex_unlock(&bufmgr_fake->lock); -} - -void drm_intel_bufmgr_fake_set_last_dispatch(drm_intel_bufmgr *bufmgr, - volatile unsigned int - *last_dispatch) -{ - drm_intel_bufmgr_fake *bufmgr_fake = (drm_intel_bufmgr_fake *) bufmgr; - - bufmgr_fake->last_dispatch = (volatile int *)last_dispatch; -} - -drm_intel_bufmgr *drm_intel_bufmgr_fake_init(int fd, - unsigned long low_offset, - void *low_virtual, - unsigned long size, - volatile unsigned int - *last_dispatch) -{ - drm_intel_bufmgr_fake *bufmgr_fake; - - bufmgr_fake = calloc(1, sizeof(*bufmgr_fake)); - - if (pthread_mutex_init(&bufmgr_fake->lock, NULL) != 0) { - free(bufmgr_fake); - return NULL; - } - - /* Initialize allocator */ - DRMINITLISTHEAD(&bufmgr_fake->fenced); - DRMINITLISTHEAD(&bufmgr_fake->on_hardware); - DRMINITLISTHEAD(&bufmgr_fake->lru); - - bufmgr_fake->low_offset = low_offset; - bufmgr_fake->virtual = low_virtual; - bufmgr_fake->size = size; - bufmgr_fake->heap = mmInit(low_offset, size); - - /* Hook in methods */ - bufmgr_fake->bufmgr.bo_alloc = drm_intel_fake_bo_alloc; - bufmgr_fake->bufmgr.bo_alloc_for_render = drm_intel_fake_bo_alloc; - bufmgr_fake->bufmgr.bo_alloc_tiled = drm_intel_fake_bo_alloc_tiled; - bufmgr_fake->bufmgr.bo_reference = drm_intel_fake_bo_reference; - bufmgr_fake->bufmgr.bo_unreference = drm_intel_fake_bo_unreference; - bufmgr_fake->bufmgr.bo_map = drm_intel_fake_bo_map; - bufmgr_fake->bufmgr.bo_unmap = drm_intel_fake_bo_unmap; - bufmgr_fake->bufmgr.bo_wait_rendering = - drm_intel_fake_bo_wait_rendering; - bufmgr_fake->bufmgr.bo_emit_reloc = drm_intel_fake_emit_reloc; - bufmgr_fake->bufmgr.destroy = drm_intel_fake_destroy; - bufmgr_fake->bufmgr.bo_exec = drm_intel_fake_bo_exec; - bufmgr_fake->bufmgr.check_aperture_space = - drm_intel_fake_check_aperture_space; - bufmgr_fake->bufmgr.debug = 0; - - bufmgr_fake->fd = fd; - bufmgr_fake->last_dispatch = (volatile int *)last_dispatch; - - return &bufmgr_fake->bufmgr; -} |