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authorKeith Whitwell <keithw@vmware.com>2009-10-25 00:02:16 +0100
committerKeith Whitwell <keithw@vmware.com>2009-10-25 00:02:16 +0100
commit4dd2f6640b70e2313f8771f7588aa49a861153aa (patch)
treed2cbc2b694839380de8e31a8a72f8c3d8f7c5eb1 /src/gallium/drivers/i965/brw_batchbuffer.c
parent4f7931bb3554cb1839adc2044e3abe6d4af8b0b5 (diff)
i965g: more work on compiling, particularly the brw_draw files
Diffstat (limited to 'src/gallium/drivers/i965/brw_batchbuffer.c')
-rw-r--r--src/gallium/drivers/i965/brw_batchbuffer.c198
1 files changed, 198 insertions, 0 deletions
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;
+}