1360 lines
40 KiB
C
1360 lines
40 KiB
C
/**************************************************************************
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*
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* Copyright 2003 VMware, Inc.
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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* IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
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* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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**************************************************************************/
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#include "main/glheader.h"
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#include "main/macros.h"
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#include "main/enums.h"
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#include "program/prog_instruction.h"
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#include "program/prog_parameter.h"
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#include "program/program.h"
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#include "program/programopt.h"
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#include "program/prog_print.h"
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#include "tnl/tnl.h"
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#include "tnl/t_context.h"
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#include "intel_batchbuffer.h"
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#include "i915_reg.h"
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#include "i915_context.h"
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#include "i915_program.h"
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static const GLfloat sin_quad_constants[2][4] = {
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{
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2.0,
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-1.0,
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.5,
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.75
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},
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{
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4.0,
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-4.0,
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1.0 / (2.0 * M_PI),
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.2225
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}
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};
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static const GLfloat sin_constants[4] = { 1.0,
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-1.0 / (3 * 2 * 1),
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1.0 / (5 * 4 * 3 * 2 * 1),
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-1.0 / (7 * 6 * 5 * 4 * 3 * 2 * 1)
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};
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/* 1, -1/2!, 1/4!, -1/6! */
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static const GLfloat cos_constants[4] = { 1.0,
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-1.0 / (2 * 1),
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1.0 / (4 * 3 * 2 * 1),
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-1.0 / (6 * 5 * 4 * 3 * 2 * 1)
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};
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/* texcoord_mapping[unit] = index | TEXCOORD_{TEX,VAR} */
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#define TEXCOORD_TEX (0<<7)
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#define TEXCOORD_VAR (1<<7)
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static unsigned
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get_texcoord_mapping(struct i915_fragment_program *p, uint8_t texcoord)
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{
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for (unsigned i = 0; i < p->ctx->Const.MaxTextureCoordUnits; i++) {
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if (p->texcoord_mapping[i] == texcoord)
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return i;
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}
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/* blah */
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return p->ctx->Const.MaxTextureCoordUnits - 1;
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}
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/**
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* Retrieve a ureg for the given source register. Will emit
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* constants, apply swizzling and negation as needed.
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*/
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static GLuint
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src_vector(struct i915_fragment_program *p,
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const struct prog_src_register *source,
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const struct gl_program *program)
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{
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GLuint src;
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unsigned unit;
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switch (source->File) {
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/* Registers:
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*/
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case PROGRAM_TEMPORARY:
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if (source->Index >= I915_MAX_TEMPORARY) {
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i915_program_error(p, "Exceeded max temporary reg: %d/%d",
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source->Index, I915_MAX_TEMPORARY);
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return 0;
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}
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src = UREG(REG_TYPE_R, source->Index);
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break;
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case PROGRAM_INPUT:
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switch (source->Index) {
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case VARYING_SLOT_POS:
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src = i915_emit_decl(p, REG_TYPE_T, p->wpos_tex, D0_CHANNEL_ALL);
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break;
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case VARYING_SLOT_COL0:
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src = i915_emit_decl(p, REG_TYPE_T, T_DIFFUSE, D0_CHANNEL_ALL);
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break;
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case VARYING_SLOT_COL1:
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src = i915_emit_decl(p, REG_TYPE_T, T_SPECULAR, D0_CHANNEL_XYZ);
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src = swizzle(src, X, Y, Z, ONE);
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break;
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case VARYING_SLOT_FOGC:
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src = i915_emit_decl(p, REG_TYPE_T, T_FOG_W, D0_CHANNEL_W);
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src = swizzle(src, W, ZERO, ZERO, ONE);
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break;
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case VARYING_SLOT_TEX0:
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case VARYING_SLOT_TEX1:
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case VARYING_SLOT_TEX2:
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case VARYING_SLOT_TEX3:
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case VARYING_SLOT_TEX4:
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case VARYING_SLOT_TEX5:
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case VARYING_SLOT_TEX6:
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case VARYING_SLOT_TEX7:
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unit = get_texcoord_mapping(p, (source->Index -
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VARYING_SLOT_TEX0) | TEXCOORD_TEX);
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src = i915_emit_decl(p, REG_TYPE_T,
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T_TEX0 + unit,
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D0_CHANNEL_ALL);
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break;
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case VARYING_SLOT_VAR0:
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case VARYING_SLOT_VAR0 + 1:
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case VARYING_SLOT_VAR0 + 2:
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case VARYING_SLOT_VAR0 + 3:
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case VARYING_SLOT_VAR0 + 4:
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case VARYING_SLOT_VAR0 + 5:
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case VARYING_SLOT_VAR0 + 6:
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case VARYING_SLOT_VAR0 + 7:
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unit = get_texcoord_mapping(p, (source->Index -
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VARYING_SLOT_VAR0) | TEXCOORD_VAR);
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src = i915_emit_decl(p, REG_TYPE_T,
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T_TEX0 + unit,
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D0_CHANNEL_ALL);
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break;
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default:
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i915_program_error(p, "Bad source->Index: %d", source->Index);
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return 0;
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}
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break;
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case PROGRAM_OUTPUT:
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switch (source->Index) {
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case FRAG_RESULT_COLOR:
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case FRAG_RESULT_DATA0:
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src = UREG(REG_TYPE_OC, 0);
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break;
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case FRAG_RESULT_DEPTH:
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src = UREG(REG_TYPE_OD, 0);
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break;
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default:
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i915_program_error(p, "Bad source->Index: %d", source->Index);
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return 0;
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}
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break;
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/* Various paramters and env values. All emitted to
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* hardware as program constants.
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*/
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case PROGRAM_CONSTANT:
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case PROGRAM_STATE_VAR:
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case PROGRAM_UNIFORM: {
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struct gl_program_parameter_list *params = program->Parameters;
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unsigned offset = params->Parameters[source->Index].ValueOffset;
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src = i915_emit_param4fv(p, ¶ms->ParameterValues[offset].f);
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break;
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}
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default:
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i915_program_error(p, "Bad source->File: %d", source->File);
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return 0;
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}
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src = swizzle(src,
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GET_SWZ(source->Swizzle, 0),
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GET_SWZ(source->Swizzle, 1),
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GET_SWZ(source->Swizzle, 2), GET_SWZ(source->Swizzle, 3));
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if (source->Negate)
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src = negate(src,
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GET_BIT(source->Negate, 0),
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GET_BIT(source->Negate, 1),
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GET_BIT(source->Negate, 2),
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GET_BIT(source->Negate, 3));
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return src;
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}
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static GLuint
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get_result_vector(struct i915_fragment_program *p,
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const struct prog_instruction *inst)
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{
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switch (inst->DstReg.File) {
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case PROGRAM_OUTPUT:
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switch (inst->DstReg.Index) {
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case FRAG_RESULT_COLOR:
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case FRAG_RESULT_DATA0:
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return UREG(REG_TYPE_OC, 0);
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case FRAG_RESULT_DEPTH:
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p->depth_written = 1;
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return UREG(REG_TYPE_OD, 0);
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default:
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i915_program_error(p, "Bad inst->DstReg.Index: %d",
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inst->DstReg.Index);
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return 0;
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}
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case PROGRAM_TEMPORARY:
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return UREG(REG_TYPE_R, inst->DstReg.Index);
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default:
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i915_program_error(p, "Bad inst->DstReg.File: %d", inst->DstReg.File);
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return 0;
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}
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}
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static GLuint
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get_result_flags(const struct prog_instruction *inst)
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{
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GLuint flags = 0;
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if (inst->Saturate)
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flags |= A0_DEST_SATURATE;
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if (inst->DstReg.WriteMask & WRITEMASK_X)
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flags |= A0_DEST_CHANNEL_X;
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if (inst->DstReg.WriteMask & WRITEMASK_Y)
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flags |= A0_DEST_CHANNEL_Y;
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if (inst->DstReg.WriteMask & WRITEMASK_Z)
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flags |= A0_DEST_CHANNEL_Z;
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if (inst->DstReg.WriteMask & WRITEMASK_W)
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flags |= A0_DEST_CHANNEL_W;
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return flags;
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}
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static GLuint
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translate_tex_src_target(struct i915_fragment_program *p, GLubyte bit)
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{
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switch (bit) {
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case TEXTURE_1D_INDEX:
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return D0_SAMPLE_TYPE_2D;
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case TEXTURE_2D_INDEX:
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return D0_SAMPLE_TYPE_2D;
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case TEXTURE_RECT_INDEX:
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return D0_SAMPLE_TYPE_2D;
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case TEXTURE_3D_INDEX:
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return D0_SAMPLE_TYPE_VOLUME;
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case TEXTURE_CUBE_INDEX:
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return D0_SAMPLE_TYPE_CUBE;
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default:
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i915_program_error(p, "TexSrcBit: %d", bit);
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return 0;
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}
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}
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#define EMIT_TEX( OP ) \
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do { \
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GLuint dim = translate_tex_src_target( p, inst->TexSrcTarget ); \
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const struct gl_program *program = &p->FragProg; \
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GLuint unit = program->SamplerUnits[inst->TexSrcUnit]; \
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GLuint sampler = i915_emit_decl(p, REG_TYPE_S, \
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unit, dim); \
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GLuint coord = src_vector( p, &inst->SrcReg[0], program); \
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/* Texel lookup */ \
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\
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i915_emit_texld( p, get_live_regs(p, inst), \
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get_result_vector( p, inst ), \
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get_result_flags( inst ), \
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sampler, \
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coord, \
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OP); \
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} while (0)
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#define EMIT_ARITH( OP, N ) \
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do { \
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i915_emit_arith( p, \
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OP, \
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get_result_vector( p, inst ), \
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get_result_flags( inst ), 0, \
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(N<1)?0:src_vector( p, &inst->SrcReg[0], program), \
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(N<2)?0:src_vector( p, &inst->SrcReg[1], program), \
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(N<3)?0:src_vector( p, &inst->SrcReg[2], program)); \
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} while (0)
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#define EMIT_1ARG_ARITH( OP ) EMIT_ARITH( OP, 1 )
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#define EMIT_2ARG_ARITH( OP ) EMIT_ARITH( OP, 2 )
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#define EMIT_3ARG_ARITH( OP ) EMIT_ARITH( OP, 3 )
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/*
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* TODO: consider moving this into core
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*/
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static bool calc_live_regs( struct i915_fragment_program *p )
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{
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const struct gl_program *program = &p->FragProg;
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GLuint regsUsed = ~((1 << I915_MAX_TEMPORARY) - 1);
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uint8_t live_components[I915_MAX_TEMPORARY] = { 0, };
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GLint i;
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for (i = program->arb.NumInstructions - 1; i >= 0; i--) {
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struct prog_instruction *inst = &program->arb.Instructions[i];
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int opArgs = _mesa_num_inst_src_regs(inst->Opcode);
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int a;
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/* Register is written to: unmark as live for this and preceeding ops */
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if (inst->DstReg.File == PROGRAM_TEMPORARY) {
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if (inst->DstReg.Index >= I915_MAX_TEMPORARY)
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return false;
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live_components[inst->DstReg.Index] &= ~inst->DstReg.WriteMask;
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if (live_components[inst->DstReg.Index] == 0)
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regsUsed &= ~(1 << inst->DstReg.Index);
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}
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for (a = 0; a < opArgs; a++) {
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/* Register is read from: mark as live for this and preceeding ops */
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if (inst->SrcReg[a].File == PROGRAM_TEMPORARY) {
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unsigned c;
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if (inst->SrcReg[a].Index >= I915_MAX_TEMPORARY)
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return false;
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regsUsed |= 1 << inst->SrcReg[a].Index;
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for (c = 0; c < 4; c++) {
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const unsigned field = GET_SWZ(inst->SrcReg[a].Swizzle, c);
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if (field <= SWIZZLE_W)
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live_components[inst->SrcReg[a].Index] |= (1U << field);
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}
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}
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}
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p->usedRegs[i] = regsUsed;
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}
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return true;
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}
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static GLuint get_live_regs( struct i915_fragment_program *p,
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const struct prog_instruction *inst )
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{
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const struct gl_program *program = &p->FragProg;
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GLuint nr = inst - program->arb.Instructions;
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return p->usedRegs[nr];
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}
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/* Possible concerns:
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*
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* SIN, COS -- could use another taylor step?
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* LIT -- results seem a little different to sw mesa
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* LOG -- different to mesa on negative numbers, but this is conformant.
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*
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* Parse failures -- Mesa doesn't currently give a good indication
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* internally whether a particular program string parsed or not. This
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* can lead to confusion -- hopefully we cope with it ok now.
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*
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*/
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static void
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upload_program(struct i915_fragment_program *p)
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{
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const struct gl_program *program = &p->FragProg;
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const struct prog_instruction *inst = program->arb.Instructions;
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if (INTEL_DEBUG & DEBUG_WM)
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_mesa_print_program(program);
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/* Is this a parse-failed program? Ensure a valid program is
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* loaded, as the flagging of an error isn't sufficient to stop
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* this being uploaded to hardware.
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*/
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if (inst[0].Opcode == OPCODE_END) {
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GLuint tmp = i915_get_utemp(p);
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i915_emit_arith(p,
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A0_MOV,
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UREG(REG_TYPE_OC, 0),
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A0_DEST_CHANNEL_ALL, 0,
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swizzle(tmp, ONE, ZERO, ONE, ONE), 0, 0);
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return;
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}
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if (program->arb.NumInstructions > I915_MAX_INSN) {
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i915_program_error(p, "Exceeded max instructions (%d out of %d)",
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program->arb.NumInstructions, I915_MAX_INSN);
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return;
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}
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/* Not always needed:
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*/
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if (!calc_live_regs(p)) {
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i915_program_error(p, "Could not allocate registers");
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return;
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}
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while (1) {
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GLuint src0, src1, src2, flags;
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GLuint tmp = 0, dst, consts0 = 0, consts1 = 0;
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switch (inst->Opcode) {
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case OPCODE_ABS:
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src0 = src_vector(p, &inst->SrcReg[0], program);
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i915_emit_arith(p,
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A0_MAX,
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get_result_vector(p, inst),
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get_result_flags(inst), 0,
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src0, negate(src0, 1, 1, 1, 1), 0);
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break;
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case OPCODE_ADD:
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EMIT_2ARG_ARITH(A0_ADD);
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break;
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case OPCODE_CMP:
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src0 = src_vector(p, &inst->SrcReg[0], program);
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src1 = src_vector(p, &inst->SrcReg[1], program);
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src2 = src_vector(p, &inst->SrcReg[2], program);
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i915_emit_arith(p, A0_CMP, get_result_vector(p, inst), get_result_flags(inst), 0, src0, src2, src1); /* NOTE: order of src2, src1 */
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break;
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case OPCODE_COS:
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src0 = src_vector(p, &inst->SrcReg[0], program);
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tmp = i915_get_utemp(p);
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consts0 = i915_emit_const4fv(p, sin_quad_constants[0]);
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consts1 = i915_emit_const4fv(p, sin_quad_constants[1]);
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/* Reduce range from repeating about [-pi,pi] to [-1,1] */
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i915_emit_arith(p,
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A0_MAD,
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tmp, A0_DEST_CHANNEL_X, 0,
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src0,
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swizzle(consts1, Z, ZERO, ZERO, ZERO), /* 1/(2pi) */
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swizzle(consts0, W, ZERO, ZERO, ZERO)); /* .75 */
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i915_emit_arith(p, A0_FRC, tmp, A0_DEST_CHANNEL_X, 0, tmp, 0, 0);
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i915_emit_arith(p,
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A0_MAD,
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tmp, A0_DEST_CHANNEL_X, 0,
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tmp,
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swizzle(consts0, X, ZERO, ZERO, ZERO), /* 2 */
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swizzle(consts0, Y, ZERO, ZERO, ZERO)); /* -1 */
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|
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/* Compute COS with the same calculation used for SIN, but a
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* different source range has been mapped to [-1,1] this time.
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*/
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/* tmp.y = abs(tmp.x); {x, abs(x), 0, 0} */
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i915_emit_arith(p,
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A0_MAX,
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tmp, A0_DEST_CHANNEL_Y, 0,
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swizzle(tmp, ZERO, X, ZERO, ZERO),
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negate(swizzle(tmp, ZERO, X, ZERO, ZERO), 0, 1, 0, 0),
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0);
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/* tmp.y = tmp.y * tmp.x; {x, x * abs(x), 0, 0} */
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i915_emit_arith(p,
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A0_MUL,
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tmp, A0_DEST_CHANNEL_Y, 0,
|
|
swizzle(tmp, ZERO, X, ZERO, ZERO),
|
|
tmp,
|
|
0);
|
|
|
|
/* tmp.x = tmp.xy DP sin_quad_constants[2].xy */
|
|
i915_emit_arith(p,
|
|
A0_DP3,
|
|
tmp, A0_DEST_CHANNEL_X, 0,
|
|
tmp,
|
|
swizzle(consts1, X, Y, ZERO, ZERO),
|
|
0);
|
|
|
|
/* tmp.x now contains a first approximation (y). Now, weight it
|
|
* against tmp.y**2 to get closer.
|
|
*/
|
|
i915_emit_arith(p,
|
|
A0_MAX,
|
|
tmp, A0_DEST_CHANNEL_Y, 0,
|
|
swizzle(tmp, ZERO, X, ZERO, ZERO),
|
|
negate(swizzle(tmp, ZERO, X, ZERO, ZERO), 0, 1, 0, 0),
|
|
0);
|
|
|
|
/* tmp.y = tmp.x * tmp.y - tmp.x; {y, y * abs(y) - y, 0, 0} */
|
|
i915_emit_arith(p,
|
|
A0_MAD,
|
|
tmp, A0_DEST_CHANNEL_Y, 0,
|
|
swizzle(tmp, ZERO, X, ZERO, ZERO),
|
|
swizzle(tmp, ZERO, Y, ZERO, ZERO),
|
|
negate(swizzle(tmp, ZERO, X, ZERO, ZERO), 0, 1, 0, 0));
|
|
|
|
/* result = .2225 * tmp.y + tmp.x =.2225(y * abs(y) - y) + y= */
|
|
i915_emit_arith(p,
|
|
A0_MAD,
|
|
get_result_vector(p, inst),
|
|
get_result_flags(inst), 0,
|
|
swizzle(consts1, W, W, W, W),
|
|
swizzle(tmp, Y, Y, Y, Y),
|
|
swizzle(tmp, X, X, X, X));
|
|
break;
|
|
|
|
case OPCODE_DP2:
|
|
src0 = src_vector(p, &inst->SrcReg[0], program);
|
|
src1 = src_vector(p, &inst->SrcReg[1], program);
|
|
i915_emit_arith(p,
|
|
A0_DP3,
|
|
get_result_vector(p, inst),
|
|
get_result_flags(inst), 0,
|
|
swizzle(src0, X, Y, ZERO, ZERO),
|
|
swizzle(src1, X, Y, ZERO, ZERO),
|
|
0);
|
|
break;
|
|
|
|
case OPCODE_DP3:
|
|
EMIT_2ARG_ARITH(A0_DP3);
|
|
break;
|
|
|
|
case OPCODE_DP4:
|
|
EMIT_2ARG_ARITH(A0_DP4);
|
|
break;
|
|
|
|
case OPCODE_DPH:
|
|
src0 = src_vector(p, &inst->SrcReg[0], program);
|
|
src1 = src_vector(p, &inst->SrcReg[1], program);
|
|
|
|
i915_emit_arith(p,
|
|
A0_DP4,
|
|
get_result_vector(p, inst),
|
|
get_result_flags(inst), 0,
|
|
swizzle(src0, X, Y, Z, ONE), src1, 0);
|
|
break;
|
|
|
|
case OPCODE_DST:
|
|
src0 = src_vector(p, &inst->SrcReg[0], program);
|
|
src1 = src_vector(p, &inst->SrcReg[1], program);
|
|
|
|
/* result[0] = 1 * 1;
|
|
* result[1] = a[1] * b[1];
|
|
* result[2] = a[2] * 1;
|
|
* result[3] = 1 * b[3];
|
|
*/
|
|
i915_emit_arith(p,
|
|
A0_MUL,
|
|
get_result_vector(p, inst),
|
|
get_result_flags(inst), 0,
|
|
swizzle(src0, ONE, Y, Z, ONE),
|
|
swizzle(src1, ONE, Y, ONE, W), 0);
|
|
break;
|
|
|
|
case OPCODE_EX2:
|
|
src0 = src_vector(p, &inst->SrcReg[0], program);
|
|
|
|
i915_emit_arith(p,
|
|
A0_EXP,
|
|
get_result_vector(p, inst),
|
|
get_result_flags(inst), 0,
|
|
swizzle(src0, X, X, X, X), 0, 0);
|
|
break;
|
|
|
|
case OPCODE_FLR:
|
|
EMIT_1ARG_ARITH(A0_FLR);
|
|
break;
|
|
|
|
case OPCODE_TRUNC:
|
|
EMIT_1ARG_ARITH(A0_TRC);
|
|
break;
|
|
|
|
case OPCODE_FRC:
|
|
EMIT_1ARG_ARITH(A0_FRC);
|
|
break;
|
|
|
|
case OPCODE_KIL:
|
|
src0 = src_vector(p, &inst->SrcReg[0], program);
|
|
tmp = i915_get_utemp(p);
|
|
|
|
i915_emit_texld(p, get_live_regs(p, inst),
|
|
tmp, A0_DEST_CHANNEL_ALL, /* use a dummy dest reg */
|
|
0, src0, T0_TEXKILL);
|
|
break;
|
|
|
|
case OPCODE_LG2:
|
|
src0 = src_vector(p, &inst->SrcReg[0], program);
|
|
|
|
i915_emit_arith(p,
|
|
A0_LOG,
|
|
get_result_vector(p, inst),
|
|
get_result_flags(inst), 0,
|
|
swizzle(src0, X, X, X, X), 0, 0);
|
|
break;
|
|
|
|
case OPCODE_LIT:
|
|
src0 = src_vector(p, &inst->SrcReg[0], program);
|
|
tmp = i915_get_utemp(p);
|
|
|
|
/* tmp = max( a.xyzw, a.00zw )
|
|
* XXX: Clamp tmp.w to -128..128
|
|
* tmp.y = log(tmp.y)
|
|
* tmp.y = tmp.w * tmp.y
|
|
* tmp.y = exp(tmp.y)
|
|
* result = cmp (a.11-x1, a.1x01, a.1xy1 )
|
|
*/
|
|
i915_emit_arith(p, A0_MAX, tmp, A0_DEST_CHANNEL_ALL, 0,
|
|
src0, swizzle(src0, ZERO, ZERO, Z, W), 0);
|
|
|
|
i915_emit_arith(p, A0_LOG, tmp, A0_DEST_CHANNEL_Y, 0,
|
|
swizzle(tmp, Y, Y, Y, Y), 0, 0);
|
|
|
|
i915_emit_arith(p, A0_MUL, tmp, A0_DEST_CHANNEL_Y, 0,
|
|
swizzle(tmp, ZERO, Y, ZERO, ZERO),
|
|
swizzle(tmp, ZERO, W, ZERO, ZERO), 0);
|
|
|
|
i915_emit_arith(p, A0_EXP, tmp, A0_DEST_CHANNEL_Y, 0,
|
|
swizzle(tmp, Y, Y, Y, Y), 0, 0);
|
|
|
|
i915_emit_arith(p, A0_CMP,
|
|
get_result_vector(p, inst),
|
|
get_result_flags(inst), 0,
|
|
negate(swizzle(tmp, ONE, ONE, X, ONE), 0, 0, 1, 0),
|
|
swizzle(tmp, ONE, X, ZERO, ONE),
|
|
swizzle(tmp, ONE, X, Y, ONE));
|
|
|
|
break;
|
|
|
|
case OPCODE_LRP:
|
|
src0 = src_vector(p, &inst->SrcReg[0], program);
|
|
src1 = src_vector(p, &inst->SrcReg[1], program);
|
|
src2 = src_vector(p, &inst->SrcReg[2], program);
|
|
flags = get_result_flags(inst);
|
|
tmp = i915_get_utemp(p);
|
|
|
|
/* b*a + c*(1-a)
|
|
*
|
|
* b*a + c - ca
|
|
*
|
|
* tmp = b*a + c,
|
|
* result = (-c)*a + tmp
|
|
*/
|
|
i915_emit_arith(p, A0_MAD, tmp,
|
|
flags & A0_DEST_CHANNEL_ALL, 0, src1, src0, src2);
|
|
|
|
i915_emit_arith(p, A0_MAD,
|
|
get_result_vector(p, inst),
|
|
flags, 0, negate(src2, 1, 1, 1, 1), src0, tmp);
|
|
break;
|
|
|
|
case OPCODE_MAD:
|
|
EMIT_3ARG_ARITH(A0_MAD);
|
|
break;
|
|
|
|
case OPCODE_MAX:
|
|
EMIT_2ARG_ARITH(A0_MAX);
|
|
break;
|
|
|
|
case OPCODE_MIN:
|
|
EMIT_2ARG_ARITH(A0_MIN);
|
|
break;
|
|
|
|
case OPCODE_MOV:
|
|
EMIT_1ARG_ARITH(A0_MOV);
|
|
break;
|
|
|
|
case OPCODE_MUL:
|
|
EMIT_2ARG_ARITH(A0_MUL);
|
|
break;
|
|
|
|
case OPCODE_POW:
|
|
src0 = src_vector(p, &inst->SrcReg[0], program);
|
|
src1 = src_vector(p, &inst->SrcReg[1], program);
|
|
tmp = i915_get_utemp(p);
|
|
flags = get_result_flags(inst);
|
|
|
|
/* XXX: masking on intermediate values, here and elsewhere.
|
|
*/
|
|
i915_emit_arith(p,
|
|
A0_LOG,
|
|
tmp, A0_DEST_CHANNEL_X, 0,
|
|
swizzle(src0, X, X, X, X), 0, 0);
|
|
|
|
i915_emit_arith(p, A0_MUL, tmp, A0_DEST_CHANNEL_X, 0, tmp, src1, 0);
|
|
|
|
|
|
i915_emit_arith(p,
|
|
A0_EXP,
|
|
get_result_vector(p, inst),
|
|
flags, 0, swizzle(tmp, X, X, X, X), 0, 0);
|
|
|
|
break;
|
|
|
|
case OPCODE_RCP:
|
|
src0 = src_vector(p, &inst->SrcReg[0], program);
|
|
|
|
i915_emit_arith(p,
|
|
A0_RCP,
|
|
get_result_vector(p, inst),
|
|
get_result_flags(inst), 0,
|
|
swizzle(src0, X, X, X, X), 0, 0);
|
|
break;
|
|
|
|
case OPCODE_RSQ:
|
|
|
|
src0 = src_vector(p, &inst->SrcReg[0], program);
|
|
|
|
i915_emit_arith(p,
|
|
A0_RSQ,
|
|
get_result_vector(p, inst),
|
|
get_result_flags(inst), 0,
|
|
swizzle(src0, X, X, X, X), 0, 0);
|
|
break;
|
|
|
|
case OPCODE_SCS:
|
|
src0 = src_vector(p, &inst->SrcReg[0], program);
|
|
tmp = i915_get_utemp(p);
|
|
|
|
/*
|
|
* t0.xy = MUL x.xx11, x.x1111 ; x^2, x, 1, 1
|
|
* t0 = MUL t0.xyxy t0.xx11 ; x^4, x^3, x^2, x
|
|
* t1 = MUL t0.xyyw t0.yz11 ; x^7 x^5 x^3 x
|
|
* scs.x = DP4 t1, sin_constants
|
|
* t1 = MUL t0.xxz1 t0.z111 ; x^6 x^4 x^2 1
|
|
* scs.y = DP4 t1, cos_constants
|
|
*/
|
|
i915_emit_arith(p,
|
|
A0_MUL,
|
|
tmp, A0_DEST_CHANNEL_XY, 0,
|
|
swizzle(src0, X, X, ONE, ONE),
|
|
swizzle(src0, X, ONE, ONE, ONE), 0);
|
|
|
|
i915_emit_arith(p,
|
|
A0_MUL,
|
|
tmp, A0_DEST_CHANNEL_ALL, 0,
|
|
swizzle(tmp, X, Y, X, Y),
|
|
swizzle(tmp, X, X, ONE, ONE), 0);
|
|
|
|
if (inst->DstReg.WriteMask & WRITEMASK_Y) {
|
|
GLuint tmp1;
|
|
|
|
if (inst->DstReg.WriteMask & WRITEMASK_X)
|
|
tmp1 = i915_get_utemp(p);
|
|
else
|
|
tmp1 = tmp;
|
|
|
|
i915_emit_arith(p,
|
|
A0_MUL,
|
|
tmp1, A0_DEST_CHANNEL_ALL, 0,
|
|
swizzle(tmp, X, Y, Y, W),
|
|
swizzle(tmp, X, Z, ONE, ONE), 0);
|
|
|
|
i915_emit_arith(p,
|
|
A0_DP4,
|
|
get_result_vector(p, inst),
|
|
A0_DEST_CHANNEL_Y, 0,
|
|
swizzle(tmp1, W, Z, Y, X),
|
|
i915_emit_const4fv(p, sin_constants), 0);
|
|
}
|
|
|
|
if (inst->DstReg.WriteMask & WRITEMASK_X) {
|
|
i915_emit_arith(p,
|
|
A0_MUL,
|
|
tmp, A0_DEST_CHANNEL_XYZ, 0,
|
|
swizzle(tmp, X, X, Z, ONE),
|
|
swizzle(tmp, Z, ONE, ONE, ONE), 0);
|
|
|
|
i915_emit_arith(p,
|
|
A0_DP4,
|
|
get_result_vector(p, inst),
|
|
A0_DEST_CHANNEL_X, 0,
|
|
swizzle(tmp, ONE, Z, Y, X),
|
|
i915_emit_const4fv(p, cos_constants), 0);
|
|
}
|
|
break;
|
|
|
|
case OPCODE_SIN:
|
|
src0 = src_vector(p, &inst->SrcReg[0], program);
|
|
tmp = i915_get_utemp(p);
|
|
consts0 = i915_emit_const4fv(p, sin_quad_constants[0]);
|
|
consts1 = i915_emit_const4fv(p, sin_quad_constants[1]);
|
|
|
|
/* Reduce range from repeating about [-pi,pi] to [-1,1] */
|
|
i915_emit_arith(p,
|
|
A0_MAD,
|
|
tmp, A0_DEST_CHANNEL_X, 0,
|
|
src0,
|
|
swizzle(consts1, Z, ZERO, ZERO, ZERO), /* 1/(2pi) */
|
|
swizzle(consts0, Z, ZERO, ZERO, ZERO)); /* .5 */
|
|
|
|
i915_emit_arith(p, A0_FRC, tmp, A0_DEST_CHANNEL_X, 0, tmp, 0, 0);
|
|
|
|
i915_emit_arith(p,
|
|
A0_MAD,
|
|
tmp, A0_DEST_CHANNEL_X, 0,
|
|
tmp,
|
|
swizzle(consts0, X, ZERO, ZERO, ZERO), /* 2 */
|
|
swizzle(consts0, Y, ZERO, ZERO, ZERO)); /* -1 */
|
|
|
|
/* Compute sin using a quadratic and quartic. It gives continuity
|
|
* that repeating the Taylor series lacks every 2*pi, and has
|
|
* reduced error.
|
|
*
|
|
* The idea was described at:
|
|
* http://www.devmaster.net/forums/showthread.php?t=5784
|
|
*/
|
|
|
|
/* tmp.y = abs(tmp.x); {x, abs(x), 0, 0} */
|
|
i915_emit_arith(p,
|
|
A0_MAX,
|
|
tmp, A0_DEST_CHANNEL_Y, 0,
|
|
swizzle(tmp, ZERO, X, ZERO, ZERO),
|
|
negate(swizzle(tmp, ZERO, X, ZERO, ZERO), 0, 1, 0, 0),
|
|
0);
|
|
|
|
/* tmp.y = tmp.y * tmp.x; {x, x * abs(x), 0, 0} */
|
|
i915_emit_arith(p,
|
|
A0_MUL,
|
|
tmp, A0_DEST_CHANNEL_Y, 0,
|
|
swizzle(tmp, ZERO, X, ZERO, ZERO),
|
|
tmp,
|
|
0);
|
|
|
|
/* tmp.x = tmp.xy DP sin_quad_constants[2].xy */
|
|
i915_emit_arith(p,
|
|
A0_DP3,
|
|
tmp, A0_DEST_CHANNEL_X, 0,
|
|
tmp,
|
|
swizzle(consts1, X, Y, ZERO, ZERO),
|
|
0);
|
|
|
|
/* tmp.x now contains a first approximation (y). Now, weight it
|
|
* against tmp.y**2 to get closer.
|
|
*/
|
|
i915_emit_arith(p,
|
|
A0_MAX,
|
|
tmp, A0_DEST_CHANNEL_Y, 0,
|
|
swizzle(tmp, ZERO, X, ZERO, ZERO),
|
|
negate(swizzle(tmp, ZERO, X, ZERO, ZERO), 0, 1, 0, 0),
|
|
0);
|
|
|
|
/* tmp.y = tmp.x * tmp.y - tmp.x; {y, y * abs(y) - y, 0, 0} */
|
|
i915_emit_arith(p,
|
|
A0_MAD,
|
|
tmp, A0_DEST_CHANNEL_Y, 0,
|
|
swizzle(tmp, ZERO, X, ZERO, ZERO),
|
|
swizzle(tmp, ZERO, Y, ZERO, ZERO),
|
|
negate(swizzle(tmp, ZERO, X, ZERO, ZERO), 0, 1, 0, 0));
|
|
|
|
/* result = .2225 * tmp.y + tmp.x =.2225(y * abs(y) - y) + y= */
|
|
i915_emit_arith(p,
|
|
A0_MAD,
|
|
get_result_vector(p, inst),
|
|
get_result_flags(inst), 0,
|
|
swizzle(consts1, W, W, W, W),
|
|
swizzle(tmp, Y, Y, Y, Y),
|
|
swizzle(tmp, X, X, X, X));
|
|
|
|
break;
|
|
|
|
case OPCODE_SGE:
|
|
EMIT_2ARG_ARITH(A0_SGE);
|
|
break;
|
|
|
|
case OPCODE_SLT:
|
|
EMIT_2ARG_ARITH(A0_SLT);
|
|
break;
|
|
|
|
case OPCODE_SSG:
|
|
dst = get_result_vector(p, inst);
|
|
flags = get_result_flags(inst);
|
|
src0 = src_vector(p, &inst->SrcReg[0], program);
|
|
tmp = i915_get_utemp(p);
|
|
|
|
/* tmp = (src < 0.0) */
|
|
i915_emit_arith(p,
|
|
A0_SLT,
|
|
tmp,
|
|
flags, 0,
|
|
src0,
|
|
swizzle(src0, ZERO, ZERO, ZERO, ZERO),
|
|
0);
|
|
|
|
/* dst = (0.0 < src) */
|
|
i915_emit_arith(p,
|
|
A0_SLT,
|
|
dst,
|
|
flags, 0,
|
|
swizzle(src0, ZERO, ZERO, ZERO, ZERO),
|
|
src0,
|
|
0);
|
|
|
|
/* dst = (src > 0.0) - (src < 0.0) */
|
|
i915_emit_arith(p,
|
|
A0_ADD,
|
|
dst,
|
|
flags, 0,
|
|
dst,
|
|
negate(tmp, 1, 1, 1, 1),
|
|
0);
|
|
|
|
break;
|
|
|
|
case OPCODE_SUB:
|
|
src0 = src_vector(p, &inst->SrcReg[0], program);
|
|
src1 = src_vector(p, &inst->SrcReg[1], program);
|
|
|
|
i915_emit_arith(p,
|
|
A0_ADD,
|
|
get_result_vector(p, inst),
|
|
get_result_flags(inst), 0,
|
|
src0, negate(src1, 1, 1, 1, 1), 0);
|
|
break;
|
|
|
|
case OPCODE_SWZ:
|
|
EMIT_1ARG_ARITH(A0_MOV); /* extended swizzle handled natively */
|
|
break;
|
|
|
|
case OPCODE_TEX:
|
|
EMIT_TEX(T0_TEXLD);
|
|
break;
|
|
|
|
case OPCODE_TXB:
|
|
EMIT_TEX(T0_TEXLDB);
|
|
break;
|
|
|
|
case OPCODE_TXP:
|
|
EMIT_TEX(T0_TEXLDP);
|
|
break;
|
|
|
|
case OPCODE_XPD:
|
|
/* Cross product:
|
|
* result.x = src0.y * src1.z - src0.z * src1.y;
|
|
* result.y = src0.z * src1.x - src0.x * src1.z;
|
|
* result.z = src0.x * src1.y - src0.y * src1.x;
|
|
* result.w = undef;
|
|
*/
|
|
src0 = src_vector(p, &inst->SrcReg[0], program);
|
|
src1 = src_vector(p, &inst->SrcReg[1], program);
|
|
tmp = i915_get_utemp(p);
|
|
|
|
i915_emit_arith(p,
|
|
A0_MUL,
|
|
tmp, A0_DEST_CHANNEL_ALL, 0,
|
|
swizzle(src0, Z, X, Y, ONE),
|
|
swizzle(src1, Y, Z, X, ONE), 0);
|
|
|
|
i915_emit_arith(p,
|
|
A0_MAD,
|
|
get_result_vector(p, inst),
|
|
get_result_flags(inst), 0,
|
|
swizzle(src0, Y, Z, X, ONE),
|
|
swizzle(src1, Z, X, Y, ONE),
|
|
negate(tmp, 1, 1, 1, 0));
|
|
break;
|
|
|
|
case OPCODE_END:
|
|
return;
|
|
|
|
case OPCODE_BGNLOOP:
|
|
case OPCODE_BGNSUB:
|
|
case OPCODE_BRK:
|
|
case OPCODE_CAL:
|
|
case OPCODE_CONT:
|
|
case OPCODE_DDX:
|
|
case OPCODE_DDY:
|
|
case OPCODE_ELSE:
|
|
case OPCODE_ENDIF:
|
|
case OPCODE_ENDLOOP:
|
|
case OPCODE_ENDSUB:
|
|
case OPCODE_IF:
|
|
case OPCODE_RET:
|
|
p->error = 1;
|
|
i915_program_error(p, "Unsupported opcode: %s",
|
|
_mesa_opcode_string(inst->Opcode));
|
|
return;
|
|
|
|
case OPCODE_EXP:
|
|
case OPCODE_LOG:
|
|
/* These opcodes are claimed as GLSL, NV_vp, and ARB_vp in
|
|
* prog_instruction.h, but apparently GLSL doesn't ever emit them.
|
|
* Instead, it translates to EX2 or LG2.
|
|
*/
|
|
case OPCODE_TXD:
|
|
case OPCODE_TXL:
|
|
/* These opcodes are claimed by GLSL in prog_instruction.h, but
|
|
* only NV_vp/fp appears to emit them.
|
|
*/
|
|
default:
|
|
i915_program_error(p, "bad opcode: %s",
|
|
_mesa_opcode_string(inst->Opcode));
|
|
return;
|
|
}
|
|
|
|
inst++;
|
|
i915_release_utemps(p);
|
|
}
|
|
}
|
|
|
|
/* Rather than trying to intercept and jiggle depth writes during
|
|
* emit, just move the value into its correct position at the end of
|
|
* the program:
|
|
*/
|
|
static void
|
|
fixup_depth_write(struct i915_fragment_program *p)
|
|
{
|
|
if (p->depth_written) {
|
|
GLuint depth = UREG(REG_TYPE_OD, 0);
|
|
|
|
i915_emit_arith(p,
|
|
A0_MOV,
|
|
depth, A0_DEST_CHANNEL_W, 0,
|
|
swizzle(depth, X, Y, Z, Z), 0, 0);
|
|
}
|
|
}
|
|
|
|
static void
|
|
check_texcoord_mapping(struct i915_fragment_program *p)
|
|
{
|
|
GLbitfield64 inputs = p->FragProg.info.inputs_read;
|
|
unsigned unit = 0;
|
|
|
|
for (unsigned i = 0; i < p->ctx->Const.MaxTextureCoordUnits; i++) {
|
|
if (inputs & VARYING_BIT_TEX(i)) {
|
|
if (unit >= p->ctx->Const.MaxTextureCoordUnits) {
|
|
unit++;
|
|
break;
|
|
}
|
|
p->texcoord_mapping[unit++] = i | TEXCOORD_TEX;
|
|
}
|
|
if (inputs & VARYING_BIT_VAR(i)) {
|
|
if (unit >= p->ctx->Const.MaxTextureCoordUnits) {
|
|
unit++;
|
|
break;
|
|
}
|
|
p->texcoord_mapping[unit++] = i | TEXCOORD_VAR;
|
|
}
|
|
}
|
|
|
|
if (unit > p->ctx->Const.MaxTextureCoordUnits)
|
|
i915_program_error(p, "Too many texcoord units");
|
|
}
|
|
|
|
static void
|
|
check_wpos(struct i915_fragment_program *p)
|
|
{
|
|
GLbitfield64 inputs = p->FragProg.info.inputs_read;
|
|
GLint i;
|
|
unsigned unit = 0;
|
|
|
|
p->wpos_tex = I915_WPOS_TEX_INVALID;
|
|
|
|
if ((inputs & VARYING_BIT_POS) == 0)
|
|
return;
|
|
|
|
for (i = 0; i < p->ctx->Const.MaxTextureCoordUnits; i++) {
|
|
unit += !!(inputs & VARYING_BIT_TEX(i));
|
|
unit += !!(inputs & VARYING_BIT_VAR(i));
|
|
}
|
|
|
|
if (unit < p->ctx->Const.MaxTextureCoordUnits)
|
|
p->wpos_tex = unit;
|
|
else
|
|
i915_program_error(p, "No free texcoord for wpos value");
|
|
}
|
|
|
|
|
|
static void
|
|
translate_program(struct i915_fragment_program *p)
|
|
{
|
|
struct i915_context *i915 = I915_CONTEXT(p->ctx);
|
|
|
|
if (INTEL_DEBUG & DEBUG_WM) {
|
|
printf("fp:\n");
|
|
_mesa_print_program(&p->FragProg);
|
|
printf("\n");
|
|
}
|
|
|
|
i915_init_program(i915, p);
|
|
check_texcoord_mapping(p);
|
|
check_wpos(p);
|
|
upload_program(p);
|
|
fixup_depth_write(p);
|
|
i915_fini_program(p);
|
|
|
|
p->translated = 1;
|
|
}
|
|
|
|
|
|
static void
|
|
track_params(struct i915_fragment_program *p)
|
|
{
|
|
GLint i;
|
|
|
|
if (p->nr_params)
|
|
_mesa_load_state_parameters(p->ctx, p->FragProg.Parameters);
|
|
|
|
for (i = 0; i < p->nr_params; i++) {
|
|
GLint reg = p->param[i].reg;
|
|
COPY_4V(p->constant[reg], p->param[i].values);
|
|
}
|
|
|
|
p->params_uptodate = 1;
|
|
p->on_hardware = 0; /* overkill */
|
|
}
|
|
|
|
static struct gl_program *
|
|
i915NewProgram(struct gl_context * ctx, gl_shader_stage stage, GLuint id,
|
|
bool is_arb_asm)
|
|
{
|
|
switch (stage) {
|
|
case MESA_SHADER_VERTEX: {
|
|
struct gl_program *prog = rzalloc(NULL, struct gl_program);
|
|
return _mesa_init_gl_program(prog, stage, id, is_arb_asm);
|
|
}
|
|
|
|
case MESA_SHADER_FRAGMENT:{
|
|
struct i915_fragment_program *prog =
|
|
rzalloc(NULL, struct i915_fragment_program);
|
|
if (prog) {
|
|
i915_init_program(I915_CONTEXT(ctx), prog);
|
|
|
|
return _mesa_init_gl_program(&prog->FragProg, stage, id,
|
|
is_arb_asm);
|
|
}
|
|
else
|
|
return NULL;
|
|
}
|
|
|
|
default:
|
|
/* Just fallback:
|
|
*/
|
|
return _mesa_new_program(ctx, stage, id, is_arb_asm);
|
|
}
|
|
}
|
|
|
|
static void
|
|
i915DeleteProgram(struct gl_context * ctx, struct gl_program *prog)
|
|
{
|
|
if (prog->Target == GL_FRAGMENT_PROGRAM_ARB) {
|
|
struct i915_context *i915 = I915_CONTEXT(ctx);
|
|
struct i915_fragment_program *p = (struct i915_fragment_program *) prog;
|
|
|
|
if (i915->current_program == p)
|
|
i915->current_program = 0;
|
|
}
|
|
|
|
_mesa_delete_program(ctx, prog);
|
|
}
|
|
|
|
|
|
static GLboolean
|
|
i915IsProgramNative(struct gl_context * ctx, GLenum target, struct gl_program *prog)
|
|
{
|
|
if (target == GL_FRAGMENT_PROGRAM_ARB) {
|
|
struct i915_fragment_program *p = (struct i915_fragment_program *) prog;
|
|
|
|
if (!p->translated)
|
|
translate_program(p);
|
|
|
|
return !p->error;
|
|
}
|
|
else
|
|
return true;
|
|
}
|
|
|
|
static GLboolean
|
|
i915ProgramStringNotify(struct gl_context * ctx,
|
|
GLenum target, struct gl_program *prog)
|
|
{
|
|
if (target == GL_FRAGMENT_PROGRAM_ARB) {
|
|
struct i915_fragment_program *p = (struct i915_fragment_program *) prog;
|
|
p->translated = 0;
|
|
}
|
|
|
|
(void) _tnl_program_string(ctx, target, prog);
|
|
|
|
/* XXX check if program is legal, within limits */
|
|
return true;
|
|
}
|
|
|
|
static void
|
|
i915SamplerUniformChange(struct gl_context *ctx,
|
|
GLenum target, struct gl_program *prog)
|
|
{
|
|
i915ProgramStringNotify(ctx, target, prog);
|
|
}
|
|
|
|
void
|
|
i915_update_program(struct gl_context *ctx)
|
|
{
|
|
struct intel_context *intel = intel_context(ctx);
|
|
struct i915_context *i915 = i915_context(&intel->ctx);
|
|
struct i915_fragment_program *fp =
|
|
(struct i915_fragment_program *) ctx->FragmentProgram._Current;
|
|
|
|
if (i915->current_program != fp) {
|
|
if (i915->current_program) {
|
|
i915->current_program->on_hardware = 0;
|
|
i915->current_program->params_uptodate = 0;
|
|
}
|
|
|
|
i915->current_program = fp;
|
|
}
|
|
|
|
if (!fp->translated)
|
|
translate_program(fp);
|
|
|
|
FALLBACK(&i915->intel, I915_FALLBACK_PROGRAM, fp->error);
|
|
}
|
|
|
|
void
|
|
i915ValidateFragmentProgram(struct i915_context *i915)
|
|
{
|
|
struct gl_context *ctx = &i915->intel.ctx;
|
|
struct intel_context *intel = intel_context(ctx);
|
|
TNLcontext *tnl = TNL_CONTEXT(ctx);
|
|
struct vertex_buffer *VB = &tnl->vb;
|
|
|
|
struct i915_fragment_program *p =
|
|
(struct i915_fragment_program *) ctx->FragmentProgram._Current;
|
|
|
|
const GLbitfield64 inputsRead = p->FragProg.info.inputs_read;
|
|
GLuint s4 = i915->state.Ctx[I915_CTXREG_LIS4] & ~S4_VFMT_MASK;
|
|
GLuint s2 = S2_TEXCOORD_NONE;
|
|
GLuint s3 = 0;
|
|
int i, offset = 0;
|
|
|
|
/* Important:
|
|
*/
|
|
VB->AttribPtr[VERT_ATTRIB_POS] = VB->NdcPtr;
|
|
|
|
if (!p->translated)
|
|
translate_program(p);
|
|
|
|
intel->vertex_attr_count = 0;
|
|
intel->wpos_offset = 0;
|
|
intel->coloroffset = 0;
|
|
intel->specoffset = 0;
|
|
|
|
/* Always emit W to get consistent perspective
|
|
* correct interpolation of primary/secondary colors.
|
|
*/
|
|
EMIT_ATTR(_TNL_ATTRIB_POS, EMIT_4F_VIEWPORT, S4_VFMT_XYZW, 16);
|
|
|
|
/* Handle gl_PointSize builtin var here */
|
|
if (ctx->Point._Attenuated || ctx->VertexProgram.PointSizeEnabled)
|
|
EMIT_ATTR(_TNL_ATTRIB_POINTSIZE, EMIT_1F, S4_VFMT_POINT_WIDTH, 4);
|
|
|
|
if (inputsRead & VARYING_BIT_COL0) {
|
|
intel->coloroffset = offset / 4;
|
|
EMIT_ATTR(_TNL_ATTRIB_COLOR0, EMIT_4UB_4F_BGRA, S4_VFMT_COLOR, 4);
|
|
}
|
|
|
|
if (inputsRead & VARYING_BIT_COL1) {
|
|
intel->specoffset = offset / 4;
|
|
EMIT_ATTR(_TNL_ATTRIB_COLOR1, EMIT_4UB_4F_BGRA, S4_VFMT_SPEC_FOG, 4);
|
|
}
|
|
|
|
if ((inputsRead & VARYING_BIT_FOGC)) {
|
|
EMIT_ATTR(_TNL_ATTRIB_FOG, EMIT_1F, S4_VFMT_FOG_PARAM, 4);
|
|
}
|
|
|
|
for (i = 0; i < p->ctx->Const.MaxTextureCoordUnits; i++) {
|
|
if (inputsRead & VARYING_BIT_TEX(i)) {
|
|
int unit = get_texcoord_mapping(p, i | TEXCOORD_TEX);
|
|
int sz = VB->AttribPtr[_TNL_ATTRIB_TEX0 + i]->size;
|
|
|
|
s2 &= ~S2_TEXCOORD_FMT(unit, S2_TEXCOORD_FMT0_MASK);
|
|
s2 |= S2_TEXCOORD_FMT(unit, SZ_TO_HW(sz));
|
|
|
|
EMIT_ATTR(_TNL_ATTRIB_TEX0 + i, EMIT_SZ(sz), 0, sz * 4);
|
|
}
|
|
if (inputsRead & VARYING_BIT_VAR(i)) {
|
|
int unit = get_texcoord_mapping(p, i | TEXCOORD_VAR);
|
|
int sz = VB->AttribPtr[_TNL_ATTRIB_GENERIC0 + i]->size;
|
|
|
|
s2 &= ~S2_TEXCOORD_FMT(unit, S2_TEXCOORD_FMT0_MASK);
|
|
s2 |= S2_TEXCOORD_FMT(unit, SZ_TO_HW(sz));
|
|
|
|
EMIT_ATTR(_TNL_ATTRIB_GENERIC0 + i, EMIT_SZ(sz), 0, sz * 4);
|
|
}
|
|
if (i == p->wpos_tex) {
|
|
int wpos_size = 4 * sizeof(float);
|
|
/* If WPOS is required, duplicate the XYZ position data in an
|
|
* unused texture coordinate:
|
|
*/
|
|
s2 &= ~S2_TEXCOORD_FMT(i, S2_TEXCOORD_FMT0_MASK);
|
|
s2 |= S2_TEXCOORD_FMT(i, SZ_TO_HW(wpos_size));
|
|
s3 |= S3_TEXCOORD_PERSPECTIVE_DISABLE(i);
|
|
|
|
intel->wpos_offset = offset;
|
|
EMIT_PAD(wpos_size);
|
|
}
|
|
}
|
|
|
|
if (s2 != i915->state.Ctx[I915_CTXREG_LIS2] ||
|
|
s3 != i915->state.Ctx[I915_CTXREG_LIS3] ||
|
|
s4 != i915->state.Ctx[I915_CTXREG_LIS4]) {
|
|
I915_STATECHANGE(i915, I915_UPLOAD_CTX);
|
|
|
|
/* Must do this *after* statechange, so as not to affect
|
|
* buffered vertices reliant on the old state:
|
|
*/
|
|
intel->vertex_size = _tnl_install_attrs(&intel->ctx,
|
|
intel->vertex_attrs,
|
|
intel->vertex_attr_count,
|
|
intel->ViewportMatrix.m, 0);
|
|
|
|
assert(intel->prim.current_offset == intel->prim.start_offset);
|
|
intel->prim.start_offset = (intel->prim.current_offset + intel->vertex_size-1) / intel->vertex_size * intel->vertex_size;
|
|
intel->prim.current_offset = intel->prim.start_offset;
|
|
|
|
intel->vertex_size >>= 2;
|
|
|
|
i915->state.Ctx[I915_CTXREG_LIS2] = s2;
|
|
i915->state.Ctx[I915_CTXREG_LIS3] = s3;
|
|
i915->state.Ctx[I915_CTXREG_LIS4] = s4;
|
|
|
|
assert(intel->vtbl.check_vertex_size(intel, intel->vertex_size));
|
|
}
|
|
|
|
if (!p->params_uptodate)
|
|
track_params(p);
|
|
|
|
if (!p->on_hardware)
|
|
i915_upload_program(i915, p);
|
|
|
|
if (INTEL_DEBUG & DEBUG_WM) {
|
|
printf("i915:\n");
|
|
i915_disassemble_program(i915->state.Program, i915->state.ProgramSize);
|
|
}
|
|
}
|
|
|
|
void
|
|
i915InitFragProgFuncs(struct dd_function_table *functions)
|
|
{
|
|
functions->NewProgram = i915NewProgram;
|
|
functions->DeleteProgram = i915DeleteProgram;
|
|
functions->IsProgramNative = i915IsProgramNative;
|
|
functions->ProgramStringNotify = i915ProgramStringNotify;
|
|
functions->SamplerUniformChange = i915SamplerUniformChange;
|
|
}
|