diff options
Diffstat (limited to 'src/mesa/drivers/dri/r300/r200_ioctl.h')
| -rw-r--r-- | src/mesa/drivers/dri/r300/r200_ioctl.h | 204 |
1 files changed, 204 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/r300/r200_ioctl.h b/src/mesa/drivers/dri/r300/r200_ioctl.h new file mode 100644 index 0000000000..db7bd7697f --- /dev/null +++ b/src/mesa/drivers/dri/r300/r200_ioctl.h @@ -0,0 +1,204 @@ +/* +Copyright (C) The Weather Channel, Inc. 2002. All Rights Reserved. + +The Weather Channel (TM) funded Tungsten Graphics to develop the +initial release of the Radeon 8500 driver under the XFree86 license. +This notice must be preserved. + +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 THE COPYRIGHT OWNER(S) 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: + * Keith Whitwell <keith@tungstengraphics.com> + */ + +#ifndef __R200_IOCTL_H__ +#define __R200_IOCTL_H__ + +#include "simple_list.h" +#include "radeon_dri.h" +#include "radeon_lock.h" + +#include "xf86drm.h" +#include "drm.h" +#include "r200_context.h" +#include "radeon_drm.h" + +extern void r200EmitState(r200ContextPtr rmesa); +extern void r200EmitVertexAOS(r200ContextPtr rmesa, + GLuint vertex_size, GLuint offset); + +extern void r200EmitVbufPrim(r200ContextPtr rmesa, + GLuint primitive, GLuint vertex_nr); + +extern void r200FlushElts(r200ContextPtr rmesa); + +extern GLushort *r200AllocEltsOpenEnded(r200ContextPtr rmesa, + GLuint primitive, GLuint min_nr); + +extern void r200EmitAOS(r200ContextPtr rmesa, + struct r200_dma_region **regions, + GLuint n, GLuint offset); + +extern void r200EmitBlit(r200ContextPtr rmesa, + GLuint color_fmt, + GLuint src_pitch, + GLuint src_offset, + GLuint dst_pitch, + GLuint dst_offset, + GLint srcx, GLint srcy, + GLint dstx, GLint dsty, GLuint w, GLuint h); + +extern void r200EmitWait(r200ContextPtr rmesa, GLuint flags); + +extern void r200FlushCmdBuf(r200ContextPtr rmesa, const char *); +extern int r200FlushCmdBufLocked(r200ContextPtr rmesa, const char *caller); +extern void r200Flush(GLcontext * ctx); + +extern void r200RefillCurrentDmaRegion(r200ContextPtr rmesa); + +extern void r200AllocDmaRegion(r200ContextPtr rmesa, + struct r200_dma_region *region, + int bytes, int alignment); + +extern void r200AllocDmaRegionVerts(r200ContextPtr rmesa, + struct r200_dma_region *region, + int numverts, int vertsize, int alignment); + +extern void r200ReleaseDmaRegion(r200ContextPtr rmesa, + struct r200_dma_region *region, + const char *caller); + +extern void r200WaitForVBlank(r200ContextPtr rmesa); +extern void r200InitIoctlFuncs(struct dd_function_table *functions); + +extern void *r200AllocateMemoryMESA(__DRInativeDisplay * dpy, int scrn, + GLsizei size, GLfloat readfreq, + GLfloat writefreq, GLfloat priority); +extern void r200FreeMemoryMESA(__DRInativeDisplay * dpy, int scrn, + GLvoid * pointer); +extern GLuint r200GetMemoryOffsetMESA(__DRInativeDisplay * dpy, int scrn, + const GLvoid * pointer); + +extern GLboolean r200IsGartMemory(r200ContextPtr rmesa, const GLvoid * pointer, + GLint size); + +extern GLuint r200GartOffsetFromVirtual(r200ContextPtr rmesa, + const GLvoid * pointer); + +void r200SaveHwState(r200ContextPtr radeon); +void r200SetUpAtomList(r200ContextPtr rmesa); + +/* ================================================================ + * Helper macros: + */ + +/* Close off the last primitive, if it exists. + */ +#define R200_NEWPRIM( rmesa ) \ +do { \ + if ( rmesa->dma.flush ) \ + rmesa->dma.flush( rmesa ); \ +} while (0) + +/* Can accomodate several state changes and primitive changes without + * actually firing the buffer. + */ +#define R200_STATECHANGE( rmesa, ATOM ) \ +do { \ + R200_NEWPRIM( rmesa ); \ + rmesa->hw.ATOM.dirty = GL_TRUE; \ + rmesa->hw.is_dirty = GL_TRUE; \ +} while (0) + +#define R200_DB_STATE( ATOM ) \ + memcpy( rmesa->hw.ATOM.lastcmd, rmesa->hw.ATOM.cmd, \ + rmesa->hw.ATOM.cmd_size * 4) + +static __inline int R200_DB_STATECHANGE(r200ContextPtr rmesa, + struct r200_state_atom *atom) +{ + if (memcmp(atom->cmd, atom->lastcmd, atom->cmd_size * 4)) { + int *tmp; + R200_NEWPRIM(rmesa); + atom->dirty = GL_TRUE; + rmesa->hw.is_dirty = GL_TRUE; + tmp = atom->cmd; + atom->cmd = atom->lastcmd; + atom->lastcmd = tmp; + return 1; + } else + return 0; +} + +/* Fire the buffered vertices no matter what. + */ +#define R200_FIREVERTICES( r200 ) \ +do { \ + if ( (r200)->store.cmd_used || (r200)->dma.flush ) { \ + radeonFlush( (r200)->radeon.glCtx ); \ + } \ +} while (0) + +/* Command lengths. Note that any time you ensure ELTS_BUFSZ or VBUF_BUFSZ + * are available, you will also be adding an rmesa->state.max_state_size because + * r200EmitState is called from within r200EmitVbufPrim and r200FlushElts. + */ +#define AOS_BUFSZ(nr) ((3 + ((nr / 2) * 3) + ((nr & 1) * 2)) * sizeof(int)) +#define VERT_AOS_BUFSZ (5 * sizeof(int)) +#define ELTS_BUFSZ(nr) (12 + nr * 2) +#define VBUF_BUFSZ (3 * sizeof(int)) + +/* Ensure that a minimum amount of space is available in the command buffer. + * This is used to ensure atomicity of state updates with the rendering requests + * that rely on them. + * + * An alternative would be to implement a "soft lock" such that when the buffer + * wraps at an inopportune time, we grab the lock, flush the current buffer, + * and hang on to the lock until the critical section is finished and we flush + * the buffer again and unlock. + */ +static __inline void r200EnsureCmdBufSpace(r200ContextPtr rmesa, int bytes) +{ + if (rmesa->store.cmd_used + bytes > R200_CMD_BUF_SZ) + r200FlushCmdBuf(rmesa, __FUNCTION__); + assert(bytes <= R200_CMD_BUF_SZ); +} + +/* Alloc space in the command buffer + */ +static __inline char *r200AllocCmdBuf(r200ContextPtr rmesa, + int bytes, const char *where) +{ + char *head; + + if (rmesa->store.cmd_used + bytes > R200_CMD_BUF_SZ) + r200FlushCmdBuf(rmesa, where); + + head = rmesa->store.cmd_buf + rmesa->store.cmd_used; + rmesa->store.cmd_used += bytes; + assert(rmesa->store.cmd_used <= R200_CMD_BUF_SZ); + return head; +} + +#endif /* __R200_IOCTL_H__ */ |