diff options
Diffstat (limited to 'xc/lib/GL/mesa/src/drv/r128/r128_pipeline.c')
| -rw-r--r-- | xc/lib/GL/mesa/src/drv/r128/r128_pipeline.c | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/xc/lib/GL/mesa/src/drv/r128/r128_pipeline.c b/xc/lib/GL/mesa/src/drv/r128/r128_pipeline.c new file mode 100644 index 000000000..55487ffcd --- /dev/null +++ b/xc/lib/GL/mesa/src/drv/r128/r128_pipeline.c @@ -0,0 +1,126 @@ +/* $XFree86$ */ +/************************************************************************** + +Copyright 1999, 2000 ATI Technologies Inc. and Precision Insight, 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 +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 +ATI, PRECISION INSIGHT 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. + +**************************************************************************/ + +/* + * Authors: + * Kevin E. Martin <kevin@precisioninsight.com> + * + */ + +#include "r128_init.h" +#include "r128_mesa.h" +#include "r128_vb.h" +#include "r128_fastpath.h" +#include "r128_pipeline.h" + +#include "types.h" + +static struct gl_pipeline_stage r128FastStage = { + "R128 Fast Path", + (PIPE_OP_VERT_XFORM | + PIPE_OP_RAST_SETUP_0 | + PIPE_OP_RAST_SETUP_1 | + PIPE_OP_RENDER), + PIPE_PRECALC, + 0, 0, 0, 0, 0, 0, 0, 0, 0, + r128FastPath +}; + +/* Build the PRECALC pipeline with our stage, if possible. Otherwise, + return GL_FALSE */ +GLboolean r128DDBuildPrecalcPipeline(GLcontext *ctx) +{ +#if USE_FAST_PATH + r128ContextPtr r128ctx = R128_CONTEXT(ctx); + struct gl_pipeline *pipe = &ctx->CVA.pre; + + if (r128ctx->RenderIndex == 0 && + !(ctx->Enabled & (TEXTURE0_3D | + TEXTURE1_3D | + ENABLE_TEXMAT0 | + ENABLE_TEXMAT1 | + ENABLE_TEXGEN0 | + ENABLE_TEXGEN1 | + ENABLE_USERCLIP | + ENABLE_LIGHT | + ENABLE_FOG)) && + (ctx->Array.Flags & (VERT_OBJ_234 | + VERT_TEX0_4 | + VERT_TEX1_4 | + VERT_ELT)) == (VERT_OBJ_23 | + VERT_ELT)) { + pipe->stages[0] = &r128FastStage; + pipe->stages[1] = 0; + pipe->new_inputs = ctx->RenderFlags & VERT_DATA; + pipe->ops = pipe->stages[0]->ops; + + r128ctx->useFastPath = GL_TRUE; + return GL_TRUE; + } + + if (r128ctx->useFastPath) { + r128ctx->useFastPath = GL_FALSE; + + ctx->CVA.VB->ClipOrMask = 0; + ctx->CVA.VB->ClipAndMask = CLIP_ALL_BITS; + ctx->Array.NewArrayState |= ctx->Array.Summary; + } +#endif + + return GL_FALSE; +} + +/* Register the pipeline with our stages included */ +GLuint r128RegisterPipelineStages(struct gl_pipeline_stage *out, + const struct gl_pipeline_stage *in, + GLuint nr) +{ +#if USE_FAST_PATH + int i; + + for (i = 0; i < nr; i++) { + out[i] = in[i]; + switch (in[i].ops) { + case PIPE_OP_RAST_SETUP_0: + out[i].cva_state_change = (NEW_LIGHTING | + NEW_TEXTURING | + NEW_RASTER_OPS); + out[i].state_change = ~0; + out[i].check = r128CheckPartialRasterSetup; + out[i].run = r128PartialRasterSetup; + break; + + case PIPE_OP_RAST_SETUP_0|PIPE_OP_RAST_SETUP_1: + out[i].run = r128DoRasterSetup; + break; + } + } +#endif + + return nr; +} |