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authorMichal Krol <michal@vmware.com>2009-12-12 16:48:32 +0100
committerMichal Krol <michal@vmware.com>2009-12-12 16:48:32 +0100
commita3eb0f718e19653a2ad8e49396c904183be456f3 (patch)
tree0092574c469ea586a6cab8b8ebb7ac62b8221a2a /src/gallium/drivers/svga/include/svga3d_caps.h
parent491f384c3958067e6c4c994041f5d8d413b806bc (diff)
parent784cca9fa527de771754d76545970f78094b9adf (diff)
Merge branch 'master' into glsl-pp-rework-2
Conflicts: progs/perf/drawoverhead.c progs/perf/teximage.c progs/perf/vbo.c progs/perf/vertexrate.c src/mesa/shader/slang/library/slang_common_builtin_gc.h
Diffstat (limited to 'src/gallium/drivers/svga/include/svga3d_caps.h')
-rw-r--r--src/gallium/drivers/svga/include/svga3d_caps.h139
1 files changed, 139 insertions, 0 deletions
diff --git a/src/gallium/drivers/svga/include/svga3d_caps.h b/src/gallium/drivers/svga/include/svga3d_caps.h
new file mode 100644
index 0000000000..714ce9f45f
--- /dev/null
+++ b/src/gallium/drivers/svga/include/svga3d_caps.h
@@ -0,0 +1,139 @@
+/**********************************************************
+ * Copyright 2007-2009 VMware, Inc. 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, sublicense, 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 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
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * 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.
+ *
+ **********************************************************/
+
+/*
+ * svga3d_caps.h --
+ *
+ * Definitions for SVGA3D hardware capabilities. Capabilities
+ * are used to query for optional rendering features during
+ * driver initialization. The capability data is stored as very
+ * basic key/value dictionary within the "FIFO register" memory
+ * area at the beginning of BAR2.
+ *
+ * Note that these definitions are only for 3D capabilities.
+ * The SVGA device also has "device capabilities" and "FIFO
+ * capabilities", which are non-3D-specific and are stored as
+ * bitfields rather than key/value pairs.
+ */
+
+#ifndef _SVGA3D_CAPS_H_
+#define _SVGA3D_CAPS_H_
+
+#define SVGA_FIFO_3D_CAPS_SIZE (SVGA_FIFO_3D_CAPS_LAST - \
+ SVGA_FIFO_3D_CAPS + 1)
+
+
+/*
+ * SVGA3dCapsRecordType
+ *
+ * Record types that can be found in the caps block.
+ * Related record types are grouped together numerically so that
+ * SVGA3dCaps_FindRecord() can be applied on a range of record
+ * types.
+ */
+
+typedef enum {
+ SVGA3DCAPS_RECORD_UNKNOWN = 0,
+ SVGA3DCAPS_RECORD_DEVCAPS_MIN = 0x100,
+ SVGA3DCAPS_RECORD_DEVCAPS = 0x100,
+ SVGA3DCAPS_RECORD_DEVCAPS_MAX = 0x1ff,
+} SVGA3dCapsRecordType;
+
+
+/*
+ * SVGA3dCapsRecordHeader
+ *
+ * Header field leading each caps block record. Contains the offset (in
+ * register words, NOT bytes) to the next caps block record (or the end
+ * of caps block records which will be a zero word) and the record type
+ * as defined above.
+ */
+
+typedef
+struct SVGA3dCapsRecordHeader {
+ uint32 length;
+ SVGA3dCapsRecordType type;
+}
+SVGA3dCapsRecordHeader;
+
+
+/*
+ * SVGA3dCapsRecord
+ *
+ * Caps block record; "data" is a placeholder for the actual data structure
+ * contained within the record; for example a record containing a FOOBAR
+ * structure would be of size "sizeof(SVGA3dCapsRecordHeader) +
+ * sizeof(FOOBAR)".
+ */
+
+typedef
+struct SVGA3dCapsRecord {
+ SVGA3dCapsRecordHeader header;
+ uint32 data[1];
+}
+SVGA3dCapsRecord;
+
+
+typedef uint32 SVGA3dCapPair[2];
+
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * SVGA3dCaps_FindRecord
+ *
+ * Finds the record with the highest-valued type within the given range
+ * in the caps block.
+ *
+ * Result: pointer to found record, or NULL if not found.
+ *
+ *----------------------------------------------------------------------
+ */
+
+static INLINE SVGA3dCapsRecord *
+SVGA3dCaps_FindRecord(const uint32 *capsBlock,
+ SVGA3dCapsRecordType recordTypeMin,
+ SVGA3dCapsRecordType recordTypeMax)
+{
+ SVGA3dCapsRecord *record, *found = NULL;
+ uint32 offset;
+
+ /*
+ * Search linearly through the caps block records for the specified type.
+ */
+ for (offset = 0; capsBlock[offset] != 0; offset += capsBlock[offset]) {
+ record = (SVGA3dCapsRecord *) (capsBlock + offset);
+ if ((record->header.type >= recordTypeMin) &&
+ (record->header.type <= recordTypeMax) &&
+ (!found || (record->header.type > found->header.type))) {
+ found = record;
+ }
+ }
+
+ return found;
+}
+
+
+#endif // _SVGA3D_CAPS_H_