Initial revision

1 files changed, 237 insertions, 0 deletions

diff --git a/src/radeon_sarea.h b/src/radeon_sarea.h
new file mode 100644
index 00000000..788c6f69
--- /dev/null
+++ b/src/radeon_sarea.h
@@ -0,0 +1,237 @@
+/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/ati/radeon_sarea.h,v 1.5 2002/10/30 12:52:14 alanh Exp $ */
+/*
+ * Copyright 2000 ATI Technologies Inc., Markham, Ontario,
+ *                VA Linux Systems Inc., Fremont, California.
+ *
+ * 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, 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 (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 ATI, VA LINUX SYSTEMS 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.
+ */
+
+/*
+ * Authors:
+ *   Kevin E. Martin <martin@xfree86.org>
+ *   Gareth Hughes <gareth@valinux.com>
+ *
+ */
+
+#ifndef _RADEON_SAREA_H_
+#define _RADEON_SAREA_H_
+
+/* WARNING: If you change any of these defines, make sure to change the
+ * defines in the kernel file (radeon_drm.h)
+ */
+#ifndef __RADEON_SAREA_DEFINES__
+#define __RADEON_SAREA_DEFINES__
+
+/* What needs to be changed for the current vertex buffer? */
+#define RADEON_UPLOAD_CONTEXT		0x00000001
+#define RADEON_UPLOAD_VERTFMT		0x00000002
+#define RADEON_UPLOAD_LINE		0x00000004
+#define RADEON_UPLOAD_BUMPMAP		0x00000008
+#define RADEON_UPLOAD_MASKS		0x00000010
+#define RADEON_UPLOAD_VIEWPORT		0x00000020
+#define RADEON_UPLOAD_SETUP		0x00000040
+#define RADEON_UPLOAD_TCL		0x00000080
+#define RADEON_UPLOAD_MISC		0x00000100
+#define RADEON_UPLOAD_TEX0		0x00000200
+#define RADEON_UPLOAD_TEX1		0x00000400
+#define RADEON_UPLOAD_TEX2		0x00000800
+#define RADEON_UPLOAD_TEX0IMAGES	0x00001000
+#define RADEON_UPLOAD_TEX1IMAGES	0x00002000
+#define RADEON_UPLOAD_TEX2IMAGES	0x00004000
+#define RADEON_UPLOAD_CLIPRECTS		0x00008000 /* handled client-side */
+#define RADEON_REQUIRE_QUIESCENCE	0x00010000
+#define RADEON_UPLOAD_ZBIAS		0x00020000
+#define RADEON_UPLOAD_ALL		0x0002ffff
+#define RADEON_UPLOAD_CONTEXT_ALL       0x000201ff
+
+#define RADEON_FRONT			0x1
+#define RADEON_BACK			0x2
+#define RADEON_DEPTH			0x4
+#define RADEON_STENCIL                  0x8
+
+/* Primitive types */
+#define RADEON_POINTS			0x1
+#define RADEON_LINES			0x2
+#define RADEON_LINE_STRIP		0x3
+#define RADEON_TRIANGLES		0x4
+#define RADEON_TRIANGLE_FAN		0x5
+#define RADEON_TRIANGLE_STRIP		0x6
+#define RADEON_3VTX_POINTS		0x9
+#define RADEON_3VTX_LINES		0xa
+
+/* Vertex/indirect buffer size */
+#define RADEON_BUFFER_SIZE		65536
+
+/* Byte offsets for indirect buffer data */
+#define RADEON_INDEX_PRIM_OFFSET	20
+#define RADEON_HOSTDATA_BLIT_OFFSET	32
+
+#define RADEON_SCRATCH_REG_OFFSET	32
+
+/* Keep these small for testing */
+#define RADEON_NR_SAREA_CLIPRECTS	12
+
+/* There are 2 heaps (local/AGP).  Each region within a heap is a
+ * minimum of 64k, and there are at most 64 of them per heap.
+ */
+#define RADEON_CARD_HEAP		0
+#define RADEON_AGP_HEAP			1
+#define RADEON_NR_TEX_HEAPS		2
+#define RADEON_NR_TEX_REGIONS		64
+#define RADEON_LOG_TEX_GRANULARITY	16
+
+#define RADEON_MAX_TEXTURE_LEVELS	12
+#define RADEON_MAX_TEXTURE_UNITS	3
+
+/* Blits have strict offset rules.  All blit offset must be aligned on
+ * a 1K-byte boundary.
+ */
+#define RADEON_OFFSET_SHIFT		10
+#define RADEON_OFFSET_ALIGN		(1 << RADEON_OFFSET_SHIFT)
+#define RADEON_OFFSET_MASK		(RADEON_OFFSET_ALIGN - 1)
+
+#endif /* __RADEON_SAREA_DEFINES__ */
+
+typedef struct {
+    unsigned int red;
+    unsigned int green;
+    unsigned int blue;
+    unsigned int alpha;
+} radeon_color_regs_t;
+
+typedef struct {
+    /* Context state */
+    unsigned int pp_misc;
+    unsigned int pp_fog_color;
+    unsigned int re_solid_color;
+    unsigned int rb3d_blendcntl;
+    unsigned int rb3d_depthoffset;
+    unsigned int rb3d_depthpitch;
+    unsigned int rb3d_zstencilcntl;
+
+    unsigned int pp_cntl;
+    unsigned int rb3d_cntl;
+    unsigned int rb3d_coloroffset;
+    unsigned int re_width_height;
+    unsigned int rb3d_colorpitch;
+    unsigned int se_cntl;
+
+    /* Vertex format state */
+    unsigned int se_coord_fmt;
+
+    /* Line state */
+    unsigned int re_line_pattern;
+    unsigned int re_line_state;
+
+    unsigned int se_line_width;
+
+    /* Bumpmap state */
+    unsigned int pp_lum_matrix;
+
+    unsigned int pp_rot_matrix_0;
+    unsigned int pp_rot_matrix_1;
+
+    /* Mask state */
+    unsigned int rb3d_stencilrefmask;
+    unsigned int rb3d_ropcntl;
+    unsigned int rb3d_planemask;
+
+    /* Viewport state */
+    unsigned int se_vport_xscale;
+    unsigned int se_vport_xoffset;
+    unsigned int se_vport_yscale;
+    unsigned int se_vport_yoffset;
+    unsigned int se_vport_zscale;
+    unsigned int se_vport_zoffset;
+
+    /* Setup state */
+    unsigned int se_cntl_status;
+
+    /* Misc state */
+    unsigned int re_top_left;
+    unsigned int re_misc;
+} radeon_context_regs_t;
+
+/* Setup registers for each texture unit */
+typedef struct {
+    unsigned int pp_txfilter;
+    unsigned int pp_txformat;
+    unsigned int pp_txoffset;
+    unsigned int pp_txcblend;
+    unsigned int pp_txablend;
+    unsigned int pp_tfactor;
+    unsigned int pp_border_color;
+} radeon_texture_regs_t;
+
+typedef struct {
+    unsigned char next, prev;	/* indices to form a circular LRU  */
+    unsigned char in_use;	/* owned by a client, or free? */
+    int age;			/* tracked by clients to update local LRU's */
+} radeon_tex_region_t;
+
+typedef struct {
+    /* The channel for communication of state information to the kernel
+     * on firing a vertex buffer.
+     */
+    radeon_context_regs_t ContextState;
+    radeon_texture_regs_t TexState[RADEON_MAX_TEXTURE_UNITS];
+    unsigned int dirty;
+    unsigned int vertsize;
+    unsigned int vc_format;
+
+    /* The current cliprects, or a subset thereof */
+    XF86DRIClipRectRec boxes[RADEON_NR_SAREA_CLIPRECTS];
+    unsigned int nbox;
+
+    /* Counters for throttling of rendering clients */
+    unsigned int last_frame;
+    unsigned int last_dispatch;
+    unsigned int last_clear;
+
+    /* Maintain an LRU of contiguous regions of texture space.  If you
+     * think you own a region of texture memory, and it has an age
+     * different to the one you set, then you are mistaken and it has
+     * been stolen by another client.  If global texAge hasn't changed,
+     * there is no need to walk the list.
+     *
+     * These regions can be used as a proxy for the fine-grained texture
+     * information of other clients - by maintaining them in the same
+     * lru which is used to age their own textures, clients have an
+     * approximate lru for the whole of global texture space, and can
+     * make informed decisions as to which areas to kick out.  There is
+     * no need to choose whether to kick out your own texture or someone
+     * else's - simply eject them all in LRU order.
+     */
+				/* Last elt is sentinal */
+    radeon_tex_region_t texList[RADEON_NR_TEX_HEAPS][RADEON_NR_TEX_REGIONS+1];
+				/* last time texture was uploaded */
+    int texAge[RADEON_NR_TEX_HEAPS];
+
+    int ctxOwner;		/* last context to upload state */
+    int pfAllowPageFlip;	/* set by the 2d driver, read by the client */
+    int pfCurrentPage;		/* set by kernel, read by others */
+    int crtc2_base;		/* for pageflipping with CloneMode */
+} RADEONSAREAPriv, *RADEONSAREAPrivPtr;
+
+#endif