r128_drm.h
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上传日期:2013-02-24
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- /* r128_drm.h -- Public header for the r128 driver -*- linux-c -*-
- * Created: Wed Apr 5 19:24:19 2000 by kevin@precisioninsight.com
- *
- * Copyright 2000 Precision Insight, Inc., Cedar Park, Texas.
- * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, 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
- * 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 NONINFRINGEMENT. IN NO EVENT SHALL
- * PRECISION INSIGHT 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.
- *
- * Authors:
- * Kevin E. Martin <martin@valinux.com>
- * Gareth Hughes <gareth@valinux.com>
- *
- */
- #ifndef _R128_DRM_H_
- #define _R128_DRM_H_
- /* WARNING: If you change any of these defines, make sure to change the
- * defines in the X server file (r128_sarea.h)
- */
- #ifndef __R128_SAREA_DEFINES__
- #define __R128_SAREA_DEFINES__
- /* What needs to be changed for the current vertex buffer?
- */
- #define R128_UPLOAD_CONTEXT 0x001
- #define R128_UPLOAD_SETUP 0x002
- #define R128_UPLOAD_TEX0 0x004
- #define R128_UPLOAD_TEX1 0x008
- #define R128_UPLOAD_TEX0IMAGES 0x010
- #define R128_UPLOAD_TEX1IMAGES 0x020
- #define R128_UPLOAD_CORE 0x040
- #define R128_UPLOAD_MASKS 0x080
- #define R128_UPLOAD_WINDOW 0x100
- #define R128_UPLOAD_CLIPRECTS 0x200 /* handled client-side */
- #define R128_REQUIRE_QUIESCENCE 0x400
- #define R128_UPLOAD_ALL 0x7ff
- #define R128_FRONT 0x1
- #define R128_BACK 0x2
- #define R128_DEPTH 0x4
- /* Primitive types
- */
- #define R128_POINTS 0x1
- #define R128_LINES 0x2
- #define R128_LINE_STRIP 0x3
- #define R128_TRIANGLES 0x4
- #define R128_TRIANGLE_FAN 0x5
- #define R128_TRIANGLE_STRIP 0x6
- /* Vertex/indirect buffer size
- */
- #if 1
- #define R128_BUFFER_SIZE 16384
- #else
- #define R128_BUFFER_SIZE (128 * 1024)
- #endif
- /* Byte offsets for indirect buffer data
- */
- #define R128_INDEX_PRIM_OFFSET 20
- #define R128_HOSTDATA_BLIT_OFFSET 32
- /* 2048x2048 @ 32bpp texture requires this many indirect buffers
- */
- #define R128_MAX_BLIT_BUFFERS ((2048 * 2048 * 4) / R128_BUFFER_SIZE)
- /* Keep these small for testing.
- */
- #define R128_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 R128_LOCAL_TEX_HEAP 0
- #define R128_AGP_TEX_HEAP 1
- #define R128_NR_TEX_HEAPS 2
- #define R128_NR_TEX_REGIONS 64
- #define R128_LOG_TEX_GRANULARITY 16
- #define R128_NR_CONTEXT_REGS 12
- #define R128_TEX_MAXLEVELS 11
- #endif /* __R128_SAREA_DEFINES__ */
- typedef struct {
- /* Context state - can be written in one large chunk */
- unsigned int dst_pitch_offset_c;
- unsigned int dp_gui_master_cntl_c;
- unsigned int sc_top_left_c;
- unsigned int sc_bottom_right_c;
- unsigned int z_offset_c;
- unsigned int z_pitch_c;
- unsigned int z_sten_cntl_c;
- unsigned int tex_cntl_c;
- unsigned int misc_3d_state_cntl_reg;
- unsigned int texture_clr_cmp_clr_c;
- unsigned int texture_clr_cmp_msk_c;
- unsigned int fog_color_c;
- /* Texture state */
- unsigned int tex_size_pitch_c;
- unsigned int constant_color_c;
- /* Setup state */
- unsigned int pm4_vc_fpu_setup;
- unsigned int setup_cntl;
- /* Mask state */
- unsigned int dp_write_mask;
- unsigned int sten_ref_mask_c;
- unsigned int plane_3d_mask_c;
- /* Window state */
- unsigned int window_xy_offset;
- /* Core state */
- unsigned int scale_3d_cntl;
- } drm_r128_context_regs_t;
- /* Setup registers for each texture unit */
- typedef struct {
- unsigned int tex_cntl;
- unsigned int tex_combine_cntl;
- unsigned int tex_size_pitch;
- unsigned int tex_offset[R128_TEX_MAXLEVELS];
- unsigned int tex_border_color;
- } drm_r128_texture_regs_t;
- typedef struct drm_tex_region {
- unsigned char next, prev;
- unsigned char in_use;
- int age;
- } drm_tex_region_t;
- typedef struct drm_r128_sarea {
- /* The channel for communication of state information to the kernel
- * on firing a vertex buffer.
- */
- drm_r128_context_regs_t context_state;
- drm_r128_texture_regs_t tex_state[R128_NR_TEX_HEAPS];
- unsigned int dirty;
- unsigned int vertsize;
- unsigned int vc_format;
- /* The current cliprects, or a subset thereof.
- */
- drm_clip_rect_t boxes[R128_NR_SAREA_CLIPRECTS];
- unsigned int nbox;
- /* Counters for client-side throttling of rendering clients.
- */
- unsigned int last_frame;
- unsigned int last_dispatch;
- drm_tex_region_t tex_list[R128_NR_TEX_HEAPS][R128_NR_TEX_REGIONS+1];
- int tex_age[R128_NR_TEX_HEAPS];
- int ctx_owner;
- } drm_r128_sarea_t;
- /* WARNING: If you change any of these defines, make sure to change the
- * defines in the Xserver file (xf86drmR128.h)
- */
- typedef struct drm_r128_init {
- enum {
- R128_INIT_CCE = 0x01,
- R128_CLEANUP_CCE = 0x02
- } func;
- int sarea_priv_offset;
- int is_pci;
- int cce_mode;
- int cce_secure;
- int ring_size;
- int usec_timeout;
- unsigned int fb_bpp;
- unsigned int front_offset, front_pitch;
- unsigned int back_offset, back_pitch;
- unsigned int depth_bpp;
- unsigned int depth_offset, depth_pitch;
- unsigned int span_offset;
- unsigned int fb_offset;
- unsigned int mmio_offset;
- unsigned int ring_offset;
- unsigned int ring_rptr_offset;
- unsigned int buffers_offset;
- unsigned int agp_textures_offset;
- } drm_r128_init_t;
- typedef struct drm_r128_cce_stop {
- int flush;
- int idle;
- } drm_r128_cce_stop_t;
- typedef struct drm_r128_clear {
- unsigned int flags;
- int x, y, w, h;
- unsigned int clear_color;
- unsigned int clear_depth;
- } drm_r128_clear_t;
- typedef struct drm_r128_vertex {
- int prim;
- int idx; /* Index of vertex buffer */
- int count; /* Number of vertices in buffer */
- int discard; /* Client finished with buffer? */
- } drm_r128_vertex_t;
- typedef struct drm_r128_indices {
- int prim;
- int idx;
- int start;
- int end;
- int discard; /* Client finished with buffer? */
- } drm_r128_indices_t;
- typedef struct drm_r128_blit {
- int idx;
- int pitch;
- int offset;
- int format;
- unsigned short x, y;
- unsigned short width, height;
- } drm_r128_blit_t;
- typedef struct drm_r128_depth {
- enum {
- R128_WRITE_SPAN = 0x01,
- R128_WRITE_PIXELS = 0x02,
- R128_READ_SPAN = 0x03,
- R128_READ_PIXELS = 0x04
- } func;
- int n;
- int *x;
- int *y;
- unsigned int *buffer;
- unsigned char *mask;
- } drm_r128_depth_t;
- typedef struct drm_r128_stipple {
- unsigned int *mask;
- } drm_r128_stipple_t;
- typedef struct drm_r128_packet {
- unsigned int *buffer;
- int count;
- int flags;
- } drm_r128_packet_t;
- #endif