diff options
Diffstat (limited to 'xc/lib/GL/mesa/src/drv/r128/r128_fasttmp.h')
| -rw-r--r-- | xc/lib/GL/mesa/src/drv/r128/r128_fasttmp.h | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/xc/lib/GL/mesa/src/drv/r128/r128_fasttmp.h b/xc/lib/GL/mesa/src/drv/r128/r128_fasttmp.h new file mode 100644 index 000000000..e76dd52b4 --- /dev/null +++ b/xc/lib/GL/mesa/src/drv/r128/r128_fasttmp.h @@ -0,0 +1,155 @@ +/* $XFree86$ */ +/************************************************************************** + +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> + * + */ + +/* FIXME: These routines were copied from the i810 driver, and were only + slightly modified for the Rage 128. They still need to be optmizied + and cleaned up. Also, support for USE_RHW2 needs to be added. */ + +/* The first part of setup is applied to all vertices, clipped or + * unclipped. This data w!ill be used for clipping, and then all + * vertices with a zero clipmask will be projected to device space. + * + * This could be split into several loops, but - it seems that the + * large stride of the fxVertices makes cache issues the big + * performance factor, and that multiple loops mean multiple cache + * misses.... + */ +static void TAG(r128_setup_full)(struct vertex_buffer *VB, GLuint do_cliptest) +{ + GLcontext *ctx = VB->ctx; + r128VertexBufferPtr r128VB = R128_DRIVER_DATA(VB); + const GLfloat *m = ctx->ModelProjectMatrix.m; + GLuint start = VB->CopyStart; + GLuint count = VB->Count; + GLuint i; + + gl_xform_points3_v16_general(r128VB->verts[start].f, + m, + VB->ObjPtr->start, + VB->ObjPtr->stride, + count - start); + + if (do_cliptest) { + VB->ClipAndMask = ~0; + VB->ClipOrMask = 0; + gl_cliptest_points4_v16(r128VB->verts[start].f, + r128VB->verts[count].f, + &(VB->ClipOrMask), + &(VB->ClipAndMask), + VB->ClipMask + start); + } + + /* These branches are all resolved at compile time. Hopefully all + * the pointers are valid addresses even when not enabled. + */ + if (TYPE) { + GLubyte *color = VB->ColorPtr->start; + GLfloat *tex0_data = VB->TexCoordPtr[0]->start; + GLfloat *tex1_data = VB->TexCoordPtr[1]->start; + + GLuint color_stride = VB->ColorPtr->stride; + GLuint tex0_stride = VB->TexCoordPtr[0]->stride; + GLuint tex1_stride = VB->TexCoordPtr[1]->stride; + + GLfloat *f = r128VB->verts[start].f; + + for (i = start ; i < count ; i++, f += 16) { + if (TYPE & R128_RGBA_BIT) { + GLubyte *b = (GLubyte *)&f[CLIP_UBYTE_COLOR]; + GLubyte *col = color; color += color_stride; + b[CLIP_UBYTE_R] = col[0]; + b[CLIP_UBYTE_G] = col[1]; + b[CLIP_UBYTE_B] = col[2]; + b[CLIP_UBYTE_A] = col[3]; + } + if (TYPE & R128_TEX0_BIT) { + f[CLIP_S0] = tex0_data[0]; + f[CLIP_T0] = tex0_data[1]; + STRIDE_F(tex0_data, tex0_stride); + } + if (TYPE & R128_TEX1_BIT) { + f[CLIP_S1] = tex1_data[0]; + f[CLIP_T1] = tex1_data[1]; + STRIDE_F(tex1_data, tex1_stride); + } + } + } + + r128VB->clipped_elements.count = start; + r128VB->last_vert = count; +} + + +/* Changed to just put the interp func instead of the whole clip + * routine into the header. Less code and better chance of doing some + * of this stuff in assembly. + */ +static void TAG(r128_interp_vert)(GLfloat t, + GLfloat *O, + const GLfloat *I, + const GLfloat *J) +{ + O[0] = LINTERP(t, I[0], J[0]); + O[1] = LINTERP(t, I[1], J[1]); + O[2] = LINTERP(t, I[2], J[2]); + O[3] = LINTERP(t, I[3], J[3]); + + if (TYPE & R128_RGBA_BIT) { + INTERP_RGBA(t, + ((GLubyte *)&(O[4])), + ((GLubyte *)&(I[4])), + ((GLubyte *)&(J[4]))); + } + + if (TYPE & R128_TEX0_BIT) { + O[6] = LINTERP(t, I[6], J[6]); + O[7] = LINTERP(t, I[7], J[7]); + } + + if (TYPE & R128_TEX1_BIT) { + O[8] = LINTERP(t, I[8], J[8]); + O[9] = LINTERP(t, I[9], J[9]); + } +} + + +static void TAG(r128_init_fastpath)(r128FastPathTable *tab) +{ + tab->build_vertices = TAG(r128_setup_full); + tab->interp = TAG(r128_interp_vert); +} + +#undef TYPE +#undef TAG +#undef SIZE |