diff options
Diffstat (limited to 'nx-X11/extras/Mesa/src/mesa/drivers/dri/r300/r300_cmdbuf.h')
| -rw-r--r-- | nx-X11/extras/Mesa/src/mesa/drivers/dri/r300/r300_cmdbuf.h | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/nx-X11/extras/Mesa/src/mesa/drivers/dri/r300/r300_cmdbuf.h b/nx-X11/extras/Mesa/src/mesa/drivers/dri/r300/r300_cmdbuf.h new file mode 100644 index 000000000..b471f2ac4 --- /dev/null +++ b/nx-X11/extras/Mesa/src/mesa/drivers/dri/r300/r300_cmdbuf.h @@ -0,0 +1,118 @@ +/* +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: + * Nicolai Haehnle <prefect_@gmx.net> + */ + +#ifndef __R300_CMDBUF_H__ +#define __R300_CMDBUF_H__ + +#include "r300_context.h" + + +extern int r300FlushCmdBufLocked(r300ContextPtr r300, const char* caller); +extern int r300FlushCmdBuf(r300ContextPtr r300, const char* caller); + +extern void r300EmitState(r300ContextPtr r300); + +extern void r300InitCmdBuf(r300ContextPtr r300); +extern void r300DestroyCmdBuf(r300ContextPtr r300); + +extern void r300EmitAOS(r300ContextPtr rmesa, GLuint nr, GLuint offset); + + +/** + * Make sure that enough space is available in the command buffer + * by flushing if necessary. + */ +static __inline__ void r300EnsureCmdBufSpace(r300ContextPtr r300, + int dwords, const char* caller) +{ + assert(dwords < r300->cmdbuf.size); + + if (r300->cmdbuf.count_used + dwords > r300->cmdbuf.size) + r300FlushCmdBuf(r300, caller); +} + + +/** + * Allocate the given number of dwords in the command buffer and return + * a pointer to the allocated area. + * When necessary, these functions cause a flush. r300AllocCmdBuf() also + * causes state reemission after a flush. This is necessary to ensure + * correct hardware state after an unlock. + */ +static __inline__ uint32_t* r300RawAllocCmdBuf(r300ContextPtr r300, + int dwords, const char* caller) +{ + uint32_t* ptr; + + r300EnsureCmdBufSpace(r300, dwords, caller); + + ptr = &r300->cmdbuf.cmd_buf[r300->cmdbuf.count_used]; + r300->cmdbuf.count_used += dwords; + return ptr; +} + +static __inline__ uint32_t* r300AllocCmdBuf(r300ContextPtr r300, + int dwords, const char* caller) +{ + uint32_t* ptr; + + r300EnsureCmdBufSpace(r300, dwords, caller); + + if (!r300->cmdbuf.count_used) { + if (RADEON_DEBUG & DEBUG_IOCTL) + fprintf(stderr, "Reemit state after flush (from %s)\n", + caller); + r300EmitState(r300); + } + + ptr = &r300->cmdbuf.cmd_buf[r300->cmdbuf.count_used]; + r300->cmdbuf.count_used += dwords; + return ptr; +} + +extern void r300EmitBlit(r300ContextPtr 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 r300EmitWait(r300ContextPtr rmesa, GLuint flags); +extern void r300EmitLOAD_VBPNTR(r300ContextPtr rmesa, int start); +extern void r300EmitVertexShader(r300ContextPtr rmesa); +extern void r300EmitPixelShader(r300ContextPtr rmesa); + +#endif /* __R300_CMDBUF_H__ */ |