+++ /dev/null
-/**************************************************************************
- *
- * 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 "imports.h"
-#include "intel_batchbuffer.h"
-#include "intel_ioctl.h"
-#include "bufmgr.h"
-
-
-static void intel_batchbuffer_reset( struct intel_batchbuffer *batch )
-{
- assert(batch->map == NULL);
-
- batch->offset = (unsigned long)batch->ptr;
- batch->offset = (batch->offset + 63) & ~63;
- batch->ptr = (unsigned char *) batch->offset;
-
- if (BATCH_SZ - batch->offset < BATCH_REFILL) {
- bmBufferData(batch->intel,
- batch->buffer,
- BATCH_SZ,
- NULL,
- 0);
- batch->offset = 0;
- batch->ptr = NULL;
- }
-
- batch->flags = 0;
-}
-
-static void intel_batchbuffer_reset_cb( struct intel_context *intel,
- void *ptr )
-{
- struct intel_batchbuffer *batch = (struct intel_batchbuffer *)ptr;
- assert(batch->map == NULL);
- batch->flags = 0;
- batch->offset = 0;
- batch->ptr = NULL;
-}
-
-GLubyte *intel_batchbuffer_map( struct intel_batchbuffer *batch )
-{
- if (!batch->map) {
- batch->map = bmMapBuffer(batch->intel, batch->buffer,
- BM_MEM_AGP|BM_MEM_LOCAL|BM_CLIENT|BM_WRITE);
- batch->ptr += (unsigned long)batch->map;
- }
-
- return batch->map;
-}
-
-void intel_batchbuffer_unmap( struct intel_batchbuffer *batch )
-{
- if (batch->map) {
- batch->ptr -= (unsigned long)batch->map;
- batch->map = NULL;
- bmUnmapBuffer(batch->intel, batch->buffer);
- }
-}
-
-
-
-/*======================================================================
- * Public functions
- */
-struct intel_batchbuffer *intel_batchbuffer_alloc( struct intel_context *intel )
-{
- struct intel_batchbuffer *batch = calloc(sizeof(*batch), 1);
-
- batch->intel = intel;
-
- bmGenBuffers(intel, "batch", 1, &batch->buffer, 12);
-
- bmBufferSetInvalidateCB(intel, batch->buffer,
- intel_batchbuffer_reset_cb,
- batch,
- GL_TRUE);
-
- bmBufferData(batch->intel,
- batch->buffer,
- BATCH_SZ,
- NULL,
- 0);
-
-
- return batch;
-}
-
-void intel_batchbuffer_free( struct intel_batchbuffer *batch )
-{
- if (batch->map)
- bmUnmapBuffer(batch->intel, batch->buffer);
-
- bmDeleteBuffers(batch->intel, 1, &batch->buffer);
- free(batch);
-}
-
-
-#define MI_BATCH_BUFFER_END (0xA<<23)
-
-
-GLboolean intel_batchbuffer_flush( struct intel_batchbuffer *batch )
-{
- struct intel_context *intel = batch->intel;
- GLuint used = batch->ptr - (batch->map + batch->offset);
- GLuint offset;
- GLint retval = GL_TRUE;
-
- assert(intel->locked);
-
- if (used == 0) {
- bmReleaseBuffers( batch->intel );
- return GL_TRUE;
- }
-
- /* Add the MI_BATCH_BUFFER_END. Always add an MI_FLUSH - this is a
- * performance drain that we would like to avoid.
- */
- if (used & 4) {
- ((int *)batch->ptr)[0] = MI_BATCH_BUFFER_END;
- batch->ptr += 4;
- used += 4;
- }
- else {
- ((int *)batch->ptr)[0] = 0;
- ((int *)batch->ptr)[1] = MI_BATCH_BUFFER_END;
-
- batch->ptr += 8;
- used += 8;
- }
-
- intel_batchbuffer_unmap(batch);
-
- /* Get the batch buffer offset: Must call bmBufferOffset() before
- * bmValidateBuffers(), otherwise the buffer won't be on the inuse
- * list.
- */
- offset = bmBufferOffset(batch->intel, batch->buffer);
-
- if (bmValidateBuffers( batch->intel ) != 0) {
- assert(intel->locked);
- bmReleaseBuffers( batch->intel );
- retval = GL_FALSE;
- goto out;
- }
-
-
- if (intel->aub_file) {
- /* Send buffered commands to aubfile as a single packet.
- */
- intel_batchbuffer_map(batch);
- ((int *)batch->ptr)[-1] = intel->vtbl.flush_cmd();
- intel->vtbl.aub_commands(intel,
- offset, /* Fulsim wierdness - don't adjust */
- batch->map + batch->offset,
- used);
- ((int *)batch->ptr)[-1] = MI_BATCH_BUFFER_END;
- intel_batchbuffer_unmap(batch);
- }
-
-
- /* Fire the batch buffer, which was uploaded above:
- */
- intel_batch_ioctl(batch->intel,
- offset + batch->offset,
- used);
-
- if (intel->aub_file &&
- intel->ctx.DrawBuffer->_ColorDrawBufferMask[0] == BUFFER_BIT_FRONT_LEFT)
- intel->vtbl.aub_dump_bmp( intel, 0 );
-
- /* Reset the buffer:
- */
- out:
- intel_batchbuffer_reset( batch );
- intel_batchbuffer_map( batch );
-
- if (!retval)
- DBG("%s failed\n", __FUNCTION__);
-
- return retval;
-}
-
-
-
-
-
-
-
-void intel_batchbuffer_align( struct intel_batchbuffer *batch,
- GLuint align,
- GLuint sz )
-{
- unsigned long ptr = (unsigned long) batch->ptr;
- unsigned long aptr = (ptr + align) & ~((unsigned long)align-1);
- GLuint fixup = aptr - ptr;
-
- if (intel_batchbuffer_space(batch) < fixup + sz)
- intel_batchbuffer_flush(batch);
- else {
- memset(batch->ptr, 0, fixup);
- batch->ptr += fixup;
- }
-}
-
-
-
-
-void intel_batchbuffer_data(struct intel_batchbuffer *batch,
- const void *data,
- GLuint bytes,
- GLuint flags)
-{
- assert((bytes & 3) == 0);
- intel_batchbuffer_require_space(batch, bytes, flags);
- __memcpy(batch->ptr, data, bytes);
- batch->ptr += bytes;
-}
-
projects / mesa.git / blobdiff