2 * Copyright 2009 Nicolai Hähnle <nhaehnle@gmail.com>
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * on the rights to use, copy, modify, merge, publish, distribute, sub
8 * license, and/or sell copies of the Software, and to permit persons to whom
9 * the Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
21 * USE OR OTHER DEALINGS IN THE SOFTWARE. */
23 #include "radeon_compiler.h"
25 #include "shader/prog_parameter.h"
26 #include "shader/prog_print.h"
27 #include "shader/prog_statevars.h"
29 #include "radeon_nqssadce.h"
30 #include "radeon_program_alu.h"
31 #include "r300_fragprog.h"
32 #include "r300_fragprog_swizzle.h"
33 #include "r500_fragprog.h"
36 static void nqssadce_init(struct nqssadce_state* s)
38 struct r300_fragment_program_compiler * c = s->UserData;
39 s->Outputs[c->OutputColor].Sourced = WRITEMASK_XYZW;
40 s->Outputs[c->OutputDepth].Sourced = WRITEMASK_W;
43 static void rewrite_depth_out(struct r300_fragment_program_compiler * c)
45 struct rc_instruction *rci;
47 for (rci = c->Base.Program.Instructions.Next; rci != &c->Base.Program.Instructions; rci = rci->Next) {
48 struct prog_instruction * inst = &rci->I;
50 if (inst->DstReg.File != PROGRAM_OUTPUT || inst->DstReg.Index != c->OutputDepth)
53 if (inst->DstReg.WriteMask & WRITEMASK_Z) {
54 inst->DstReg.WriteMask = WRITEMASK_W;
56 inst->DstReg.WriteMask = 0;
60 switch (inst->Opcode) {
63 inst->SrcReg[0] = lmul_swizzle(SWIZZLE_ZZZZ, inst->SrcReg[0]);
69 inst->SrcReg[0] = lmul_swizzle(SWIZZLE_ZZZZ, inst->SrcReg[0]);
70 inst->SrcReg[1] = lmul_swizzle(SWIZZLE_ZZZZ, inst->SrcReg[1]);
74 inst->SrcReg[0] = lmul_swizzle(SWIZZLE_ZZZZ, inst->SrcReg[0]);
75 inst->SrcReg[1] = lmul_swizzle(SWIZZLE_ZZZZ, inst->SrcReg[1]);
76 inst->SrcReg[2] = lmul_swizzle(SWIZZLE_ZZZZ, inst->SrcReg[2]);
79 // Scalar instructions needn't be reswizzled
85 void r3xx_compile_fragment_program(struct r300_fragment_program_compiler* c)
90 struct radeon_program_transformation transformations[] = {
91 { &r500_transform_TEX, c },
92 { &radeonTransformALU, 0 },
93 { &radeonTransformDeriv, 0 },
94 { &radeonTransformTrigScale, 0 }
96 radeonLocalTransform(&c->Base, 4, transformations);
98 struct radeon_program_transformation transformations[] = {
99 { &r300_transform_TEX, c },
100 { &radeonTransformALU, 0 },
101 { &radeonTransformTrigSimple, 0 }
103 radeonLocalTransform(&c->Base, 3, transformations);
107 _mesa_printf("Fragment Program: After native rewrite:\n");
108 rc_print_program(&c->Base.Program);
113 struct radeon_nqssadce_descr nqssadce = {
114 .Init = &nqssadce_init,
115 .IsNativeSwizzle = &r500FPIsNativeSwizzle,
116 .BuildSwizzle = &r500FPBuildSwizzle
118 radeonNqssaDce(&c->Base, &nqssadce, c);
120 struct radeon_nqssadce_descr nqssadce = {
121 .Init = &nqssadce_init,
122 .IsNativeSwizzle = &r300FPIsNativeSwizzle,
123 .BuildSwizzle = &r300FPBuildSwizzle
125 radeonNqssaDce(&c->Base, &nqssadce, c);
129 _mesa_printf("Compiler: after NqSSA-DCE:\n");
130 rc_print_program(&c->Base.Program);
135 r500BuildFragmentProgramHwCode(c);
137 r300BuildFragmentProgramHwCode(c);
140 rc_constants_copy(&c->code->constants, &c->Base.Program.Constants);
144 r500FragmentProgramDump(c->code);
146 r300FragmentProgramDump(c->code);