From 9f344b3e7d6e23674dd4747faec253f103563b36 Mon Sep 17 00:00:00 2001 From: Eric Anholt Date: Wed, 9 Aug 2006 19:14:05 +0000 Subject: Add Intel i965G/Q DRI driver. This driver comes from Tungsten Graphics, with a few further modifications by Intel. --- src/mesa/drivers/dri/i965/brw_vs_constval.c | 224 ++++++++++++++++++++++++++++ 1 file changed, 224 insertions(+) create mode 100644 src/mesa/drivers/dri/i965/brw_vs_constval.c (limited to 'src/mesa/drivers/dri/i965/brw_vs_constval.c') diff --git a/src/mesa/drivers/dri/i965/brw_vs_constval.c b/src/mesa/drivers/dri/i965/brw_vs_constval.c new file mode 100644 index 0000000000..9407f9a1a8 --- /dev/null +++ b/src/mesa/drivers/dri/i965/brw_vs_constval.c @@ -0,0 +1,224 @@ +/* + Copyright (C) Intel Corp. 2006. All Rights Reserved. + Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to + develop this 3D driver. + + 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: + * Keith Whitwell + */ + + +#include "brw_context.h" +#include "program.h" +#include "program_instruction.h" +#include "macros.h" +#include "brw_vs.h" + +/* Component is active if it may diverge from [0,0,0,1]. Undef values + * are promoted to [0,0,0,1] for the purposes of this analysis. + */ +struct tracker { + GLboolean twoside; + GLubyte active[PROGRAM_OUTPUT+1][128]; + GLuint size_masks[4]; +}; + + +static void set_active_component( struct tracker *t, + GLuint file, + GLuint index, + GLubyte active ) +{ + switch (file) { + case PROGRAM_TEMPORARY: + case PROGRAM_INPUT: + case PROGRAM_OUTPUT: + t->active[file][index] |= active; + + default: + break; + } +} + +static void set_active( struct tracker *t, + struct prog_dst_register dst, + GLuint active ) +{ + set_active_component( t, dst.File, dst.Index, active & dst.WriteMask ); +} + + +static GLubyte get_active_component( struct tracker *t, + GLuint file, + GLuint index, + GLuint component, + GLubyte swz ) +{ + switch (swz) { + case SWIZZLE_ZERO: + return component < 3 ? 0 : (1<active[file][index] & (1<active[PROGRAM_OUTPUT][idx]; + if (active & (1<<3)) return 4; + if (active & (1<<2)) return 3; + if (active & (1<<1)) return 2; + if (active & (1<<0)) return 1; + return 0; +} + +/* Note the potential copying that occurs in the setup program: + */ +static void calc_sizes( struct tracker *t ) +{ + GLuint i; + + if (t->twoside) { + t->active[PROGRAM_OUTPUT][VERT_RESULT_COL0] |= + t->active[PROGRAM_OUTPUT][VERT_RESULT_BFC0]; + + t->active[PROGRAM_OUTPUT][VERT_RESULT_COL1] |= + t->active[PROGRAM_OUTPUT][VERT_RESULT_BFC1]; + } + + for (i = 0; i < FRAG_ATTRIB_MAX; i++) { + switch (get_output_size(t, i)) { + case 4: t->size_masks[4-1] |= 1<size_masks[3-1] |= 1<size_masks[2-1] |= 1<size_masks[1-1] |= 1<vb.info.sizes[attr/16]; + GLuint sizes_bits = (sizes_dword>>((attr%16)*2)) & 0x3; + return sizes_bits + 1; +} + +/* Calculate sizes of vertex program outputs. Size is the largest + * component index which might vary from [0,0,0,1] + */ +static void calc_wm_input_sizes( struct brw_context *brw ) +{ + /* BRW_NEW_VERTEX_PROGRAM */ + struct brw_vertex_program *vp = + (struct brw_vertex_program *)brw->vertex_program; + /* BRW_NEW_INPUT_DIMENSIONS */ + struct tracker t; + GLuint insn; + GLuint i; + + memset(&t, 0, sizeof(t)); + + /* _NEW_LIGHT */ + if (brw->attribs.Light->Model.TwoSide) + t.twoside = 1; + + for (i = 0; i < BRW_ATTRIB_MAX; i++) + if (vp->program.Base.InputsRead & (1<program.Base.NumInstructions; insn++) { + struct prog_instruction *inst = &vp->program.Base.Instructions[insn]; + + switch (inst->Opcode) { + case OPCODE_ARL: + break; + + case OPCODE_MOV: + set_active(&t, inst->DstReg, get_active(&t, inst->SrcReg[0])); + break; + + default: + set_active(&t, inst->DstReg, 0xf); + break; + } + } + + calc_sizes(&t); + + if (memcmp(brw->wm.input_size_masks, t.size_masks, sizeof(t.size_masks)) != 0) { + memcpy(brw->wm.input_size_masks, t.size_masks, sizeof(t.size_masks)); + brw->state.dirty.brw |= BRW_NEW_WM_INPUT_DIMENSIONS; + } +} + +const struct brw_tracked_state brw_wm_input_sizes = { + .dirty = { + .mesa = _NEW_LIGHT, + .brw = BRW_NEW_VERTEX_PROGRAM | BRW_NEW_INPUT_DIMENSIONS, + .cache = 0 + }, + .update = calc_wm_input_sizes +}; + -- cgit v1.2.3