From 78b599fb4cac469f4208ae3057b2a33e3e9913c6 Mon Sep 17 00:00:00 2001 From: Corbin Simpson Date: Fri, 9 Jan 2009 14:54:08 -0800 Subject: gallium-r300: Add primitive CS. Enough to get us up and running, I suppose. This needs to be pushed down into winsys! --- src/gallium/drivers/r300/r300_cs.h | 70 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 70 insertions(+) create mode 100644 src/gallium/drivers/r300/r300_cs.h (limited to 'src/gallium/drivers/r300/r300_cs.h') diff --git a/src/gallium/drivers/r300/r300_cs.h b/src/gallium/drivers/r300/r300_cs.h new file mode 100644 index 0000000000..ebd5324119 --- /dev/null +++ b/src/gallium/drivers/r300/r300_cs.h @@ -0,0 +1,70 @@ +/* + * Copyright 2008 Corbin Simpson + * + * 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, sub + * license, 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 + * THE AUTHOR(S) 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. */ + +#ifndef R300_CS_H +#define R300_CS_H + +#include "radeon_cs.h" +#include "radeon_reg.h" + +/* Yes, I know macros are ugly. However, they are much prettier than the code + * that they neatly hide away, and don't have the cost of function setup,so + * we're going to use them. */ + +#define MAX_CS_SIZE 64 * 1024 / 4 + +#define CP_PACKET0(register, count) \ + (RADEON_CP_PACKET0 | ((count) << 16) | ((register) >> 2)) + +#define CS_LOCALS(context) \ + struct radeon_cs* cs = context->cs + + +#define CHECK_CS(size) do { \ + if ((cs->cdw + (size) + 128) > MAX_CS_SIZE || radeon_cs_need_flush(cs)) { \ + /* XXX flush the CS */ \ + } } while (0) + +/* XXX radeon_cs_begin is currently unimplemented on the backend, but let's + * be future-proof, yeah? */ +#define BEGIN_CS(size) do { \ + CHECK_CS(size); \ + radeon_cs_begin(cs, (size), __FILE__, __FUNCTION__, __LINE__); \ +} while (0) + +#define OUT_CS(value) \ + radeon_cs_write_dword(cs, value) + +#define OUT_CS_REG(register, value) do { \ + OUT_CS(CP_PACKET0(register, 0)); \ + OUT_CS(value); } while (0) + +#define OUT_CS_RELOC(bo, offset, rd, wd, flags) do { \ + radeon_cs_write_dword(cs, offset); \ + radeon_cs_write_reloc(cs, bo, rd, wd, flags); \ +} while (0) + +/* XXX more future-proofing */ +#define END_CS \ + radeon_cs_end(cs, __FILE__, __FUNCTION__, __LINE__) + +#endif /* R300_CS_H */ \ No newline at end of file -- cgit v1.2.3