From 4dd2f6640b70e2313f8771f7588aa49a861153aa Mon Sep 17 00:00:00 2001 From: Keith Whitwell Date: Sun, 25 Oct 2009 00:02:16 +0100 Subject: i965g: more work on compiling, particularly the brw_draw files --- src/gallium/drivers/i965/brw_batchbuffer.c | 198 +++++++++++++++++++++++++++++ 1 file changed, 198 insertions(+) create mode 100644 src/gallium/drivers/i965/brw_batchbuffer.c (limited to 'src/gallium/drivers/i965/brw_batchbuffer.c') diff --git a/src/gallium/drivers/i965/brw_batchbuffer.c b/src/gallium/drivers/i965/brw_batchbuffer.c new file mode 100644 index 0000000000..8bcac76ede --- /dev/null +++ b/src/gallium/drivers/i965/brw_batchbuffer.c @@ -0,0 +1,198 @@ +/************************************************************************** + * + * 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. + * + **************************************************************************/ + +#include "brw_batchbuffer.h" +#include "brw_decode.h" +#include "brw_reg.h" +#include "brw_winsys.h" + + +void +brw_batchbuffer_reset(struct brw_batchbuffer *batch) +{ + struct intel_context *intel = batch->intel; + + if (batch->buf != NULL) { + brw->sws->bo_unreference(batch->buf); + batch->buf = NULL; + } + + if (!batch->buffer && intel->ttm == GL_TRUE) + batch->buffer = malloc (intel->maxBatchSize); + + batch->buf = batch->sws->bo_alloc(batch->sws, + BRW_BUFFER_TYPE_BATCH, + intel->maxBatchSize, 4096); + if (batch->buffer) + batch->map = batch->buffer; + else { + batch->sws->bo_map(batch->buf, GL_TRUE); + batch->map = batch->buf->virtual; + } + batch->size = intel->maxBatchSize; + batch->ptr = batch->map; + batch->dirty_state = ~0; + batch->cliprect_mode = IGNORE_CLIPRECTS; +} + +struct brw_batchbuffer * +brw_batchbuffer_alloc(struct brw_winsys_screen *sws) +{ + struct brw_batchbuffer *batch = CALLOC_STRUCT(brw_batchbuffer); + + batch->sws = sws; + brw_batchbuffer_reset(batch); + + return batch; +} + +void +brw_batchbuffer_free(struct brw_batchbuffer *batch) +{ + if (batch->map) { + dri_bo_unmap(batch->buf); + batch->map = NULL; + } + + brw->sws->bo_unreference(batch->buf); + batch->buf = NULL; + FREE(batch); +} + + +void +_brw_batchbuffer_flush(struct brw_batchbuffer *batch, const char *file, + int line) +{ + struct intel_context *intel = batch->intel; + GLuint used = batch->ptr - batch->map; + + if (used == 0) + return; + + if (intel->first_post_swapbuffers_batch == NULL) { + intel->first_post_swapbuffers_batch = intel->batch->buf; + batch->sws->bo_reference(intel->first_post_swapbuffers_batch); + } + + if (intel->first_post_swapbuffers_batch == NULL) { + intel->first_post_swapbuffers_batch = intel->batch->buf; + batch->sws->bo_reference(intel->first_post_swapbuffers_batch); + } + + + if (INTEL_DEBUG & DEBUG_BATCH) + fprintf(stderr, "%s:%d: Batchbuffer flush with %db used\n", file, line, + used); + + /* Emit a flush if the bufmgr doesn't do it for us. */ + if (intel->always_flush_cache || !intel->ttm) { + *(GLuint *) (batch->ptr) = intel->vtbl.flush_cmd(); + batch->ptr += 4; + used = batch->ptr - batch->map; + } + + /* Round batchbuffer usage to 2 DWORDs. */ + + if ((used & 4) == 0) { + *(GLuint *) (batch->ptr) = 0; /* noop */ + batch->ptr += 4; + used = batch->ptr - batch->map; + } + + /* Mark the end of the buffer. */ + *(GLuint *) (batch->ptr) = MI_BATCH_BUFFER_END; /* noop */ + batch->ptr += 4; + used = batch->ptr - batch->map; + + batch->sws->bo_unmap(batch->buf); + + batch->map = NULL; + batch->ptr = NULL; + + batch->sws->bo_exec(batch->buf, used, NULL, 0, 0 ); + + if (INTEL_DEBUG & DEBUG_BATCH) { + dri_bo_map(batch->buf, GL_FALSE); + intel_decode(batch->buf->virtual, used / 4, batch->buf->offset, + brw->brw_screen->pci_id); + dri_bo_unmap(batch->buf); + } + + if (INTEL_DEBUG & DEBUG_SYNC) { + fprintf(stderr, "waiting for idle\n"); + dri_bo_map(batch->buf, GL_TRUE); + dri_bo_unmap(batch->buf); + } + + /* Reset the buffer: + */ + brw_batchbuffer_reset(batch); +} + + +/* This is the only way buffers get added to the validate list. + */ +GLboolean +brw_batchbuffer_emit_reloc(struct brw_batchbuffer *batch, + struct brw_winsys_buffer *buffer, + uint32_t read_domains, uint32_t write_domain, + uint32_t delta) +{ + int ret; + + if (batch->ptr - batch->map > batch->buf->size) + _mesa_printf ("bad relocation ptr %p map %p offset %d size %d\n", + batch->ptr, batch->map, batch->ptr - batch->map, batch->buf->size); + + ret = batch->sws->bo_emit_reloc(batch->buf, + read_domains, + write_domain, + delta, + batch->ptr - batch->map, + buffer); + + /* + * Using the old buffer offset, write in what the right data would be, in case + * the buffer doesn't move and we can short-circuit the relocation processing + * in the kernel + */ + brw_batchbuffer_emit_dword (batch, buffer->offset + delta); + + return GL_TRUE; +} + +void +brw_batchbuffer_data(struct brw_batchbuffer *batch, + const void *data, GLuint bytes, + enum cliprect_mode cliprect_mode) +{ + assert((bytes & 3) == 0); + brw_batchbuffer_require_space(batch, bytes); + __memcpy(batch->ptr, data, bytes); + batch->ptr += bytes; +} -- cgit v1.2.3