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authorAlan Hourihane <alanh@tungstengraphics.com>2008-06-11 15:25:35 +0100
committerAlan Hourihane <alanh@tungstengraphics.com>2008-06-11 15:25:35 +0100
commit5e9fe62c7090768b82a3cc905d1da6b623304b50 (patch)
tree513b59c63455de9f79eee08e8b6ef8ba5ce0bdb5 /include
parent1bcb817167773d6a148dd4b2cd63777d0f072c08 (diff)
add missed files for DRI2 merge
Diffstat (limited to 'include')
-rw-r--r--include/GL/internal/dri_sarea.h134
1 files changed, 134 insertions, 0 deletions
diff --git a/include/GL/internal/dri_sarea.h b/include/GL/internal/dri_sarea.h
new file mode 100644
index 0000000000..849161fbc1
--- /dev/null
+++ b/include/GL/internal/dri_sarea.h
@@ -0,0 +1,134 @@
+/*
+ * Copyright 2007 Red Hat, 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
+ * on 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
+ * THE COPYRIGHT HOLDERS AND/OR THEIR 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.
+ */
+
+#ifndef DRI_SAREA_H
+#define DRI_SAREA_H
+
+#include <drm.h>
+
+/* The DRI2 SAREA holds a list of self-describing blocks. Each block
+ * is 8 byte aligned and has a common 32-bit header word. The upper
+ * 16 bits describe the type of the block and the lower 16 bits the
+ * size. DRI2 only defines a couple of blocks and allows drivers to
+ * define driver specific blocks using type codes from 0x8000 and up.
+ * The type code 0x0000 defines the end of the sarea. */
+
+#define DRI2_SAREA_BLOCK_HEADER(type, size) (((type) << 16) | (size))
+#define DRI2_SAREA_BLOCK_TYPE(b) ((b) >> 16)
+#define DRI2_SAREA_BLOCK_SIZE(b) ((b) & 0xffff)
+#define DRI2_SAREA_BLOCK_NEXT(p) \
+ ((void *) ((unsigned char *) (p) + \
+ DRI2_SAREA_BLOCK_SIZE(*(unsigned int *) p)))
+
+#define DRI2_SAREA_BLOCK_END 0x0000
+#define DRI2_SAREA_BLOCK_LOCK 0x0001
+#define DRI2_SAREA_BLOCK_EVENT_BUFFER 0x0002
+
+/* Chipset specific blocks start at 0x8000, 0xffff is reserved. */
+
+typedef struct __DRILock __DRILock;
+typedef struct __DRIEventBuffer __DRIEventBuffer;
+typedef struct __DRIDrawableBuffer __DRIDrawableBuffer;
+typedef struct __DRIDrawableConfigEvent __DRIDrawableConfigEvent;
+typedef struct __DRIBufferAttachEvent __DRIBufferAttachEvent;
+
+struct __DRILock {
+ unsigned int block_header;
+ drm_hw_lock_t lock;
+
+ /* We use this with DRM_CAS to allocate lock IDs for the real lock.*/
+ unsigned int next_id;
+};
+
+struct __DRIEventBuffer {
+ unsigned int block_header;
+ unsigned int head; /* last valid event */
+ unsigned int prealloc; /* event currently being written */
+ unsigned int size; /* size of data */
+ unsigned char data[0];
+};
+
+enum {
+ /* the four standard color buffers */
+ DRI_DRAWABLE_BUFFER_FRONT_LEFT = 0,
+ DRI_DRAWABLE_BUFFER_BACK_LEFT = 1,
+ DRI_DRAWABLE_BUFFER_FRONT_RIGHT = 2,
+ DRI_DRAWABLE_BUFFER_BACK_RIGHT = 3,
+ /* optional aux buffer */
+ DRI_DRAWABLE_BUFFER_AUX0 = 4,
+ DRI_DRAWABLE_BUFFER_AUX1 = 5,
+ DRI_DRAWABLE_BUFFER_AUX2 = 6,
+ DRI_DRAWABLE_BUFFER_AUX3 = 7,
+ DRI_DRAWABLE_BUFFER_DEPTH = 8,
+ DRI_DRAWABLE_BUFFER_STENCIL = 9,
+ DRI_DRAWABLE_BUFFER_ACCUM = 10,
+ /* generic renderbuffers */
+ DRI_DRAWABLE_BUFFER_COLOR0 = 11,
+ DRI_DRAWABLE_BUFFER_COLOR1 = 12,
+ DRI_DRAWABLE_BUFFER_COLOR2 = 13,
+ DRI_DRAWABLE_BUFFER_COLOR3 = 14,
+ DRI_DRAWABLE_BUFFER_COLOR4 = 15,
+ DRI_DRAWABLE_BUFFER_COLOR5 = 16,
+ DRI_DRAWABLE_BUFFER_COLOR6 = 17,
+ DRI_DRAWABLE_BUFFER_COLOR7 = 18,
+ DRI_DRAWABLE_BUFFER_COUNT = 19
+};
+
+struct __DRIDrawableBuffer {
+ unsigned int attachment;
+ unsigned int handle;
+ unsigned int pitch;
+ unsigned short cpp;
+
+ /* Upper 8 bits are driver specific, lower 8 bits generic. The
+ * bits can inidicate buffer properties such as tiled, swizzled etc. */
+ unsigned short flags;
+};
+
+#define DRI2_EVENT_HEADER(type, size) (((type) << 16) | (size))
+#define DRI2_EVENT_TYPE(b) ((b) >> 16)
+#define DRI2_EVENT_SIZE(b) ((b) & 0xffff)
+
+#define DRI2_EVENT_PAD 0x0000
+#define DRI2_EVENT_DRAWABLE_CONFIG 0x0001
+#define DRI2_EVENT_BUFFER_ATTACH 0x0002
+
+struct __DRIDrawableConfigEvent {
+ unsigned int event_header;
+ unsigned int drawable;
+ short x;
+ short y;
+ unsigned int width;
+ unsigned int height;
+ unsigned int num_rects;
+ struct drm_clip_rect rects[0];
+};
+
+struct __DRIBufferAttachEvent {
+ unsigned int event_header;
+ unsigned int drawable;
+ __DRIDrawableBuffer buffer;
+};
+
+#endif /* DRI_SAREA_H */