diff options
author | Keith Whitwell <keith@tungstengraphics.com> | 2008-09-11 16:05:15 +0100 |
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committer | Keith Whitwell <keith@tungstengraphics.com> | 2008-09-11 16:05:15 +0100 |
commit | 0397b2bb41b0f337af2949a15bcd7d0e7e8a7dc1 (patch) | |
tree | 732c93d74ed806942a13bf15575a61aa4f001253 /src/gallium/auxiliary/tgsi/tgsi_transform.c | |
parent | 80af50b35b5a4e8890e15b28940576f8a1ac1476 (diff) | |
parent | e6887a5752774c18cf527477fdd3e57e4893ff3b (diff) |
Merge branch 'gallium-0.1' into gallium-0.2
A first attempt at moving gallium onto a branch directly off master...
It will be interesting to see how much work this takes to get running.
Have resolved the conflicts semi-arbitarily, not compiled or tested.
Conflicts:
.gitignore
Makefile
configs/config.mgw
configs/darwin
configs/darwin-x86ppc
configs/default
configs/freebsd-dri
configs/linux-dri
configs/linux-dri-xcb
configs/linux-fbdev
configs/linux-static
configs/linux-x86-64-static
configs/linux-x86-static
doxygen/Makefile
include/GL/gl.h
progs/demos/Makefile
progs/demos/descrip.mms
progs/demos/texenv.c
progs/egl/.gitignore
progs/egl/Makefile
progs/glsl/.gitignore
progs/glsl/Makefile
progs/glsl/convolutions.c
progs/samples/Makefile.mgw
progs/tests/.gitignore
progs/trivial/.gitignore
progs/trivial/point-param.c
progs/trivial/tri.c
progs/xdemos/.gitignore
progs/xdemos/glthreads.c
src/egl/drivers/demo/Makefile
src/egl/drivers/dri/Makefile
src/egl/main/Makefile
src/glu/Makefile
src/glu/sgi/Makefile
src/glu/sgi/Makefile.mgw
src/glut/glx/Makefile.mgw
src/glut/os2/WarpWin.cpp
src/glut/os2/glut_cindex.cpp
src/glut/os2/glut_gamemode.cpp
src/glut/os2/glut_win.cpp
src/glut/os2/glut_winmisc.cpp
src/glut/os2/os2_glx.cpp
src/glut/os2/os2_menu.cpp
src/glut/os2/os2_winproc.cpp
src/glw/Makefile
src/glx/x11/dri_glx.c
src/glx/x11/glxext.c
src/mesa/Makefile
src/mesa/Makefile.mgw
src/mesa/descrip.mms
src/mesa/drivers/beos/Makefile
src/mesa/drivers/common/descrip.mms
src/mesa/drivers/common/driverfuncs.c
src/mesa/drivers/directfb/Makefile
src/mesa/drivers/dri/Makefile.template
src/mesa/drivers/dri/common/dri_bufmgr.c
src/mesa/drivers/dri/common/dri_bufmgr.h
src/mesa/drivers/dri/common/dri_util.c
src/mesa/drivers/dri/common/extension_helper.h
src/mesa/drivers/dri/common/mmio.h
src/mesa/drivers/dri/common/utils.c
src/mesa/drivers/dri/common/utils.h
src/mesa/drivers/dri/glcore/Makefile
src/mesa/drivers/dri/i810/i810screen.c
src/mesa/drivers/dri/i915/intel_ioctl.c
src/mesa/drivers/dri/i915/intel_ioctl.h
src/mesa/drivers/dri/i915/intel_screen.c
src/mesa/drivers/dri/i915/server/i830_common.h
src/mesa/drivers/dri/i915/server/i830_dri.h
src/mesa/drivers/dri/i965/intel_screen.c
src/mesa/drivers/dri/i965/server/i830_common.h
src/mesa/drivers/dri/i965/server/i830_dri.h
src/mesa/drivers/dri/mach64/mach64_screen.c
src/mesa/drivers/dri/nouveau/nouveau_context.h
src/mesa/drivers/dri/nouveau/nouveau_fifo.c
src/mesa/drivers/dri/nouveau/nouveau_fifo.h
src/mesa/drivers/dri/nouveau/nouveau_screen.c
src/mesa/drivers/dri/nouveau/nouveau_screen.h
src/mesa/drivers/dri/r128/r128_tex.h
src/mesa/drivers/dri/savage/savageioctl.h
src/mesa/drivers/fbdev/Makefile
src/mesa/drivers/osmesa/Makefile
src/mesa/drivers/osmesa/descrip.mms
src/mesa/drivers/x11/Makefile
src/mesa/drivers/x11/descrip.mms
src/mesa/drivers/x11/xm_dd.c
src/mesa/glapi/glapi.c
src/mesa/glapi/glthread.c
src/mesa/main/api_validate.c
src/mesa/main/attrib.c
src/mesa/main/bufferobj.c
src/mesa/main/bufferobj.h
src/mesa/main/buffers.c
src/mesa/main/config.h
src/mesa/main/context.c
src/mesa/main/descrip.mms
src/mesa/main/drawpix.c
src/mesa/main/enums.c
src/mesa/main/fbobject.c
src/mesa/main/glheader.h
src/mesa/main/imports.c
src/mesa/main/mipmap.c
src/mesa/main/mm.c
src/mesa/main/mm.h
src/mesa/main/mtypes.h
src/mesa/main/points.c
src/mesa/main/sources
src/mesa/main/state.c
src/mesa/main/texcompress_fxt1.c
src/mesa/main/texenvprogram.c
src/mesa/main/texobj.c
src/mesa/main/texstate.c
src/mesa/main/texstore.c
src/mesa/math/descrip.mms
src/mesa/shader/arbprogram.c
src/mesa/shader/descrip.mms
src/mesa/shader/prog_execute.c
src/mesa/shader/prog_statevars.c
src/mesa/shader/prog_statevars.h
src/mesa/shader/prog_uniform.c
src/mesa/shader/program.c
src/mesa/shader/program.h
src/mesa/shader/shader_api.c
src/mesa/shader/slang/descrip.mms
src/mesa/shader/slang/library/slang_vertex_builtin_gc.h
src/mesa/sources
src/mesa/swrast/descrip.mms
src/mesa/swrast/s_drawpix.c
src/mesa/swrast/s_fragprog.c
src/mesa/swrast/s_readpix.c
src/mesa/swrast/s_span.c
src/mesa/swrast_setup/descrip.mms
src/mesa/tnl/descrip.mms
src/mesa/tnl/t_context.h
src/mesa/tnl/t_vp_build.c
src/mesa/tnl/tnl.h
src/mesa/vbo/descrip.mms
src/mesa/vbo/vbo_context.c
src/mesa/vbo/vbo_exec_array.c
src/mesa/x86-64/xform4.S
src/mesa/x86/rtasm/x86sse.c
src/mesa/x86/rtasm/x86sse.h
windows/VC6/progs/glut/glut.dsp
windows/VC7/mesa/gdi/gdi.vcproj
windows/VC7/mesa/glu/glu.vcproj
windows/VC7/mesa/mesa.sln
windows/VC7/mesa/mesa/mesa.vcproj
windows/VC7/mesa/osmesa/osmesa.vcproj
windows/VC7/progs/glut/glut.vcproj
windows/VC8/mesa/gdi/gdi.vcproj
windows/VC8/mesa/glu/glu.vcproj
windows/VC8/mesa/mesa.sln
windows/VC8/mesa/mesa/mesa.vcproj
windows/VC8/progs/glut/glut.vcproj
Diffstat (limited to 'src/gallium/auxiliary/tgsi/tgsi_transform.c')
-rw-r--r-- | src/gallium/auxiliary/tgsi/tgsi_transform.c | 200 |
1 files changed, 200 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/tgsi/tgsi_transform.c b/src/gallium/auxiliary/tgsi/tgsi_transform.c new file mode 100644 index 0000000000..ea87da31e5 --- /dev/null +++ b/src/gallium/auxiliary/tgsi/tgsi_transform.c @@ -0,0 +1,200 @@ +/************************************************************************** + * + * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas. + * 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, 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 TUNGSTEN GRAPHICS 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. + * + **************************************************************************/ + +/** + * TGSI program transformation utility. + * + * Authors: Brian Paul + */ + +#include "pipe/p_debug.h" + +#include "tgsi_transform.h" + + + +static void +emit_instruction(struct tgsi_transform_context *ctx, + const struct tgsi_full_instruction *inst) +{ + uint ti = ctx->ti; + + ti += tgsi_build_full_instruction(inst, + ctx->tokens_out + ti, + ctx->header, + ctx->max_tokens_out - ti); + ctx->ti = ti; +} + + +static void +emit_declaration(struct tgsi_transform_context *ctx, + const struct tgsi_full_declaration *decl) +{ + uint ti = ctx->ti; + + ti += tgsi_build_full_declaration(decl, + ctx->tokens_out + ti, + ctx->header, + ctx->max_tokens_out - ti); + ctx->ti = ti; +} + + +static void +emit_immediate(struct tgsi_transform_context *ctx, + const struct tgsi_full_immediate *imm) +{ + uint ti = ctx->ti; + + ti += tgsi_build_full_immediate(imm, + ctx->tokens_out + ti, + ctx->header, + ctx->max_tokens_out - ti); + ctx->ti = ti; +} + + + +/** + * Apply user-defined transformations to the input shader to produce + * the output shader. + * For example, a register search-and-replace operation could be applied + * by defining a transform_instruction() callback that examined and changed + * the instruction src/dest regs. + * + * \return number of tokens emitted + */ +int +tgsi_transform_shader(const struct tgsi_token *tokens_in, + struct tgsi_token *tokens_out, + uint max_tokens_out, + struct tgsi_transform_context *ctx) +{ + uint procType; + + /* input shader */ + struct tgsi_parse_context parse; + + /* output shader */ + struct tgsi_processor *processor; + + + /** + ** callback context init + **/ + ctx->emit_instruction = emit_instruction; + ctx->emit_declaration = emit_declaration; + ctx->emit_immediate = emit_immediate; + ctx->tokens_out = tokens_out; + ctx->max_tokens_out = max_tokens_out; + + + /** + ** Setup to begin parsing input shader + **/ + if (tgsi_parse_init( &parse, tokens_in ) != TGSI_PARSE_OK) { + debug_printf("tgsi_parse_init() failed in tgsi_transform_shader()!\n"); + return -1; + } + procType = parse.FullHeader.Processor.Processor; + assert(procType == TGSI_PROCESSOR_FRAGMENT || + procType == TGSI_PROCESSOR_VERTEX || + procType == TGSI_PROCESSOR_GEOMETRY); + + + /** + ** Setup output shader + **/ + *(struct tgsi_version *) &tokens_out[0] = tgsi_build_version(); + + ctx->header = (struct tgsi_header *) (tokens_out + 1); + *ctx->header = tgsi_build_header(); + + processor = (struct tgsi_processor *) (tokens_out + 2); + *processor = tgsi_build_processor( procType, ctx->header ); + + ctx->ti = 3; + + + /** + ** Loop over incoming program tokens/instructions + */ + while( !tgsi_parse_end_of_tokens( &parse ) ) { + + tgsi_parse_token( &parse ); + + switch( parse.FullToken.Token.Type ) { + case TGSI_TOKEN_TYPE_INSTRUCTION: + { + struct tgsi_full_instruction *fullinst + = &parse.FullToken.FullInstruction; + + if (ctx->transform_instruction) + ctx->transform_instruction(ctx, fullinst); + else + ctx->emit_instruction(ctx, fullinst); + } + break; + + case TGSI_TOKEN_TYPE_DECLARATION: + { + struct tgsi_full_declaration *fulldecl + = &parse.FullToken.FullDeclaration; + + if (ctx->transform_declaration) + ctx->transform_declaration(ctx, fulldecl); + else + ctx->emit_declaration(ctx, fulldecl); + } + break; + + case TGSI_TOKEN_TYPE_IMMEDIATE: + { + struct tgsi_full_immediate *fullimm + = &parse.FullToken.FullImmediate; + + if (ctx->transform_immediate) + ctx->transform_immediate(ctx, fullimm); + else + ctx->emit_immediate(ctx, fullimm); + } + break; + + default: + assert( 0 ); + } + } + + if (ctx->epilog) { + ctx->epilog(ctx); + } + + tgsi_parse_free (&parse); + + return ctx->ti; +} |