mirror of
https://gitlab.freedesktop.org/mesa/drm.git
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3a83c18c24
done with the pattern registers which is not ideal, but works. There
are still lots of places where optimizing is needed. We need to do the
minimum required to sync with the X server on context switches, since
right now things slow down whenever the mouse is moved.
208 lines
5.6 KiB
C
208 lines
5.6 KiB
C
/* mach64_drm.h -- Public header for the mach64 driver -*- linux-c -*-
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* Created: Thu Nov 30 20:04:32 2000 by gareth@valinux.com
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*
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* Copyright 2000 Gareth Hughes
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* Copyright 2002 Frank C. Earl
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* GARETH HUGHES BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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* Authors:
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* Gareth Hughes <gareth@valinux.com>
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* Frank C. Earl <fearl@airmail.net>
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* Leif Delgass <ldelgass@retinalburn.net>
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*/
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#ifndef __MACH64_DRM_H__
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#define __MACH64_DRM_H__
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/* WARNING: If you change any of these defines, make sure to change the
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* defines in the Xserver file (xf86drmMach64.h)
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*/
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#ifndef __MACH64_DEFINES__
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#define __MACH64_DEFINES__
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/* What needs to be changed for the current vertex buffer?
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* GH: We're going to be pedantic about this. We want the card to do as
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* little as possible, so let's avoid having it fetch a whole bunch of
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* register values that don't change all that often, if at all.
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*/
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#define MACH64_UPLOAD_DST_OFF_PITCH 0x0001
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#define MACH64_UPLOAD_Z_OFF_PITCH 0x0002
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#define MACH64_UPLOAD_Z_ALPHA_CNTL 0x0004
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#define MACH64_UPLOAD_SCALE_3D_CNTL 0x0008
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#define MACH64_UPLOAD_DP_FOG_CLR 0x0010
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#define MACH64_UPLOAD_DP_WRITE_MASK 0x0020
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#define MACH64_UPLOAD_DP_PIX_WIDTH 0x0040
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#define MACH64_UPLOAD_SETUP_CNTL 0x0080
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#define MACH64_UPLOAD_MISC 0x0100
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#define MACH64_UPLOAD_TEXTURE 0x0200
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#define MACH64_UPLOAD_TEX0IMAGE 0x0400
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#define MACH64_UPLOAD_TEX1IMAGE 0x0800
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#define MACH64_UPLOAD_CLIPRECTS 0x1000 /* handled client-side */
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#define MACH64_UPLOAD_CONTEXT 0x00ff
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#define MACH64_UPLOAD_ALL 0x1fff
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#define MACH64_FRONT 0x1
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#define MACH64_BACK 0x2
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#define MACH64_DEPTH 0x4
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/* WARNING: If you change any of these defines, make sure to change the
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* defines in the Xserver file (mach64_sarea.h)
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*/
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/* DMA buffer size
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*/
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#define MACH64_BUFFER_SIZE 16384
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/* Byte offsets for host blit buffer data
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*/
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#define MACH64_HOSTDATA_BLIT_OFFSET 104
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/* Keep these small for testing.
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*/
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#define MACH64_NR_SAREA_CLIPRECTS 8
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#define MACH64_CARD_HEAP 0
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#define MACH64_AGP_HEAP 1
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#define MACH64_NR_TEX_HEAPS 2
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#define MACH64_NR_TEX_REGIONS 64
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#define MACH64_LOG_TEX_GRANULARITY 16
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#define MACH64_TEX_MAXLEVELS 1
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#define MACH64_NR_CONTEXT_REGS 15
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#define MACH64_NR_TEXTURE_REGS 4
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#endif /* __MACH64_SAREA_DEFINES__ */
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typedef struct {
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unsigned int dst_off_pitch;
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unsigned int z_off_pitch;
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unsigned int z_cntl;
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unsigned int alpha_tst_cntl;
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unsigned int scale_3d_cntl;
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unsigned int sc_left_right;
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unsigned int sc_top_bottom;
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unsigned int dp_fog_clr;
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unsigned int dp_write_mask;
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unsigned int dp_pix_width;
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unsigned int dp_mix;
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unsigned int dp_src;
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unsigned int clr_cmp_cntl;
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unsigned int gui_traj_cntl;
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unsigned int setup_cntl;
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unsigned int tex_size_pitch;
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unsigned int tex_cntl;
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unsigned int secondary_tex_off;
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unsigned int tex_offset;
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} drm_mach64_context_regs_t;
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typedef struct drm_mach64_tex_region {
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unsigned char next, prev;
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unsigned char in_use;
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int age;
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} drm_mach64_tex_region_t;
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typedef struct drm_mach64_sarea {
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/* The channel for communication of state information to the kernel
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* on firing a vertex dma buffer.
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*/
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drm_mach64_context_regs_t context_state;
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unsigned int dirty;
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unsigned int vertsize;
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/* The current cliprects, or a subset thereof.
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*/
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drm_clip_rect_t boxes[MACH64_NR_SAREA_CLIPRECTS];
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unsigned int nbox;
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/* Counters for client-side throttling of rendering clients.
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*/
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unsigned int last_frame;
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unsigned int last_dispatch;
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/* Texture memory LRU.
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*/
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drm_mach64_tex_region_t tex_list[MACH64_NR_TEX_HEAPS]
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[MACH64_NR_TEX_REGIONS+1];
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int tex_age[MACH64_NR_TEX_HEAPS];
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int ctx_owner;
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} drm_mach64_sarea_t;
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typedef struct drm_mach64_init {
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enum {
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MACH64_INIT_DMA = 0x01,
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MACH64_CLEANUP_DMA = 0x02
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} func;
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unsigned int sarea_priv_offset;
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int is_pci;
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int pseudo_dma;
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unsigned int fb_bpp;
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unsigned int front_offset, front_pitch;
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unsigned int back_offset, back_pitch;
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unsigned int depth_bpp;
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unsigned int depth_offset, depth_pitch;
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unsigned int span_offset;
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unsigned int fb_offset;
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unsigned int mmio_offset;
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unsigned int buffers_offset;
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unsigned int agp_textures_offset;
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} drm_mach64_init_t;
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typedef struct drm_mach64_clear {
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unsigned int flags;
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int x, y, w, h;
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unsigned int clear_color;
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unsigned int clear_depth;
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} drm_mach64_clear_t;
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typedef struct drm_mach64_vertex {
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int prim;
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int idx; /* Index of vertex buffer */
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int count; /* Number of vertices in buffer */
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int discard; /* Client finished with buffer? */
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} drm_mach64_vertex_t;
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typedef struct drm_mach64_blit {
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int idx;
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int pitch;
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int offset;
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int format;
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unsigned short x, y;
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unsigned short width, height;
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} drm_mach64_blit_t;
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#endif
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