diff options
Diffstat (limited to 'src/mesa/drivers/dri/i915tex/intel_batchbuffer.c')
-rw-r--r-- | src/mesa/drivers/dri/i915tex/intel_batchbuffer.c | 180 |
1 files changed, 68 insertions, 112 deletions
diff --git a/src/mesa/drivers/dri/i915tex/intel_batchbuffer.c b/src/mesa/drivers/dri/i915tex/intel_batchbuffer.c index c92b83bcb3..67fca371a7 100644 --- a/src/mesa/drivers/dri/i915tex/intel_batchbuffer.c +++ b/src/mesa/drivers/dri/i915tex/intel_batchbuffer.c @@ -77,65 +77,38 @@ intel_dump_batchbuffer(GLuint offset, GLuint * ptr, GLuint count) fprintf(stderr, "END BATCH\n\n\n"); } +/*====================================================================== + * Public functions + */ void intel_batchbuffer_reset(struct intel_batchbuffer *batch) { + struct intel_context *intel = batch->intel; - int i; - - /* - * Get a new, free batchbuffer. - */ - - batch->size = batch->intel->intelScreen->maxBatchSize; - driBOData(batch->buffer, batch->size, NULL, 0); - - driBOResetList(&batch->list); - - /* - * Unreference buffers previously on the relocation list. - */ - - for (i = 0; i < batch->nr_relocs; i++) { - struct buffer_reloc *r = &batch->reloc[i]; - driBOUnReference(r->buf); + if (batch->buf != NULL) { + dri_bo_unreference(batch->buf); + batch->buf = NULL; } - batch->list_count = 0; - batch->nr_relocs = 0; - batch->flags = 0; - - /* - * We don't refcount the batchbuffer itself since we can't destroy it - * while it's on the list. - */ - - - driBOAddListItem(&batch->list, batch->buffer, - DRM_BO_FLAG_MEM_TT | DRM_BO_FLAG_EXE, - DRM_BO_MASK_MEM | DRM_BO_FLAG_EXE); - - - batch->map = driBOMap(batch->buffer, DRM_BO_FLAG_WRITE, 0); + batch->buf = dri_bo_alloc(intel->intelScreen->bufmgr, "batchbuffer", + intel->intelScreen->maxBatchSize, 4096, + DRM_BO_FLAG_MEM_TT | + DRM_BO_FLAG_EXE, 0); + dri_bo_map(batch->buf, GL_TRUE); + batch->map = batch->buf->virtual; + batch->size = intel->intelScreen->maxBatchSize; batch->ptr = batch->map; } -/*====================================================================== - * Public functions - */ struct intel_batchbuffer * intel_batchbuffer_alloc(struct intel_context *intel) { struct intel_batchbuffer *batch = calloc(sizeof(*batch), 1); batch->intel = intel; - - driGenBuffers(intel->intelScreen->batchPool, "batchbuffer", 1, - &batch->buffer, 4096, - DRM_BO_FLAG_MEM_TT | DRM_BO_FLAG_EXE, 0); batch->last_fence = NULL; - driBOCreateList(20, &batch->list); intel_batchbuffer_reset(batch); + return batch; } @@ -143,17 +116,16 @@ void intel_batchbuffer_free(struct intel_batchbuffer *batch) { if (batch->last_fence) { - driFenceFinish(batch->last_fence, - DRM_FENCE_TYPE_EXE | DRM_I915_FENCE_TYPE_RW, GL_FALSE); - driFenceUnReference(batch->last_fence); + dri_fence_wait(batch->last_fence); + dri_fence_unreference(batch->last_fence); batch->last_fence = NULL; } if (batch->map) { - driBOUnmap(batch->buffer); + dri_bo_unmap(batch->buf); batch->map = NULL; } - driBOUnReference(batch->buffer); - batch->buffer = NULL; + dri_bo_unreference(batch->buf); + batch->buf = NULL; free(batch); } @@ -167,30 +139,35 @@ do_flush_locked(struct intel_batchbuffer *batch, GLuint *ptr; GLuint i; struct intel_context *intel = batch->intel; - unsigned fenceFlags; - struct _DriFenceObject *fo; - - driBOValidateList(batch->intel->driFd, &batch->list); - - /* Apply the relocations. This nasty map indicates to me that the - * whole task should be done internally by the memory manager, and - * that dma buffers probably need to be pinned within agp space. - */ - ptr = (GLuint *) driBOMap(batch->buffer, DRM_BO_FLAG_WRITE, - DRM_BO_HINT_ALLOW_UNFENCED_MAP); + dri_fence *fo; + GLboolean performed_rendering = GL_FALSE; + assert(batch->buf->virtual != NULL); + ptr = batch->buf->virtual; for (i = 0; i < batch->nr_relocs; i++) { struct buffer_reloc *r = &batch->reloc[i]; - ptr[r->offset / 4] = driBOOffset(r->buf) + r->delta; + if (r->validate_flags & DRM_BO_FLAG_WRITE) + performed_rendering = GL_TRUE; + + dri_bo_validate(r->buf, r->validate_flags); + ptr[r->offset / 4] = r->buf->offset + r->delta; + dri_bo_unreference(r->buf); } if (INTEL_DEBUG & DEBUG_BATCH) intel_dump_batchbuffer(0, ptr, used); - driBOUnmap(batch->buffer); + dri_bo_unmap(batch->buf); batch->map = NULL; + batch->ptr = NULL; + + dri_bo_validate(batch->buf, DRM_BO_FLAG_MEM_TT | DRM_BO_FLAG_EXE); + + batch->list_count = 0; + batch->nr_relocs = 0; + batch->flags = 0; /* Throw away non-effective packets. Won't work once we have * hardware contexts which would preserve statechanges beyond a @@ -199,45 +176,32 @@ do_flush_locked(struct intel_batchbuffer *batch, if (!(intel->numClipRects == 0 && !ignore_cliprects)) { intel_batch_ioctl(batch->intel, - driBOOffset(batch->buffer), + batch->buf->offset, used, ignore_cliprects, allow_unlock); } - - /* - * Kernel fencing. The flags tells the kernel that we've - * programmed an MI_FLUSH. - */ - - fenceFlags = DRM_I915_FENCE_FLAG_FLUSHED; - fo = driFenceBuffers(batch->intel->driFd, - "Batch fence", fenceFlags); - - /* - * User space fencing. + /* Associate a fence with the validated buffers, and note that we included + * a flush at the end. */ + fo = dri_fence_validated(intel->intelScreen->bufmgr, + "Batch fence", GL_TRUE); - driBOFence(batch->buffer, fo); - - if (driFenceType(fo) == DRM_FENCE_TYPE_EXE) { - - /* - * Oops. We only validated a batch buffer. This means we - * didn't do any proper rendering. Discard this fence object. - */ - - driFenceUnReference(fo); - } else { - driFenceUnReference(batch->last_fence); + if (performed_rendering) { + dri_fence_unreference(batch->last_fence); batch->last_fence = fo; - for (i = 0; i < batch->nr_relocs; i++) { - struct buffer_reloc *r = &batch->reloc[i]; - driBOFence(r->buf, fo); - } + } else { + /* If we didn't validate any buffers for writing by the card, we don't + * need to track the fence for glFinish(). + */ + dri_fence_unreference(fo); } if (intel->numClipRects == 0 && !ignore_cliprects) { if (allow_unlock) { + /* If we are not doing any actual user-visible rendering, + * do a sched_yield to keep the app from pegging the cpu while + * achieving nothing. + */ UNLOCK_HARDWARE(intel); sched_yield(); LOCK_HARDWARE(intel); @@ -247,7 +211,7 @@ do_flush_locked(struct intel_batchbuffer *batch, } -struct _DriFenceObject * +void intel_batchbuffer_flush(struct intel_batchbuffer *batch) { struct intel_context *intel = batch->intel; @@ -255,7 +219,7 @@ intel_batchbuffer_flush(struct intel_batchbuffer *batch) GLboolean was_locked = intel->locked; if (used == 0) - return batch->last_fence; + return; /* Add the MI_BATCH_BUFFER_END. Always add an MI_FLUSH - this is a * performance drain that we would like to avoid. @@ -272,10 +236,6 @@ intel_batchbuffer_flush(struct intel_batchbuffer *batch) used += 8; } - driBOUnmap(batch->buffer); - batch->ptr = NULL; - batch->map = NULL; - /* TODO: Just pass the relocation list and dma buffer up to the * kernel. */ @@ -291,16 +251,14 @@ intel_batchbuffer_flush(struct intel_batchbuffer *batch) /* Reset the buffer: */ intel_batchbuffer_reset(batch); - return batch->last_fence; } void intel_batchbuffer_finish(struct intel_batchbuffer *batch) { - struct _DriFenceObject *fence = intel_batchbuffer_flush(batch); - driFenceReference(fence); - driFenceFinish(fence, 3, GL_FALSE); - driFenceUnReference(fence); + intel_batchbuffer_flush(batch); + if (batch->last_fence != NULL) + dri_fence_wait(batch->last_fence); } @@ -308,20 +266,18 @@ intel_batchbuffer_finish(struct intel_batchbuffer *batch) */ GLboolean intel_batchbuffer_emit_reloc(struct intel_batchbuffer *batch, - struct _DriBufferObject *buffer, - GLuint flags, GLuint mask, GLuint delta) + dri_bo *buffer, + GLuint flags, GLuint delta) { - assert(batch->nr_relocs < MAX_RELOCS); + struct buffer_reloc *r = &batch->reloc[batch->nr_relocs++]; - driBOAddListItem(&batch->list, buffer, flags, mask); + assert(batch->nr_relocs <= MAX_RELOCS); - { - struct buffer_reloc *r = &batch->reloc[batch->nr_relocs++]; - driBOReference(buffer); - r->buf = buffer; - r->offset = batch->ptr - batch->map; - r->delta = delta; - } + dri_bo_reference(buffer); + r->buf = buffer; + r->offset = batch->ptr - batch->map; + r->delta = delta; + r->validate_flags = flags; batch->ptr += 4; return GL_TRUE; |