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Diffstat (limited to 'src/mesa/drivers/dri/r300/compiler/r3xx_fragprog.c')
-rw-r--r--src/mesa/drivers/dri/r300/compiler/r3xx_fragprog.c149
1 files changed, 149 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/r300/compiler/r3xx_fragprog.c b/src/mesa/drivers/dri/r300/compiler/r3xx_fragprog.c
new file mode 100644
index 0000000000..d39b82be71
--- /dev/null
+++ b/src/mesa/drivers/dri/r300/compiler/r3xx_fragprog.c
@@ -0,0 +1,149 @@
+/*
+ * Copyright 2009 Nicolai Hähnle <nhaehnle@gmail.com>
+ *
+ * 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
+ * THE AUTHOR(S) 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. */
+
+#include "radeon_compiler.h"
+
+#include "shader/prog_parameter.h"
+#include "shader/prog_print.h"
+#include "shader/prog_statevars.h"
+
+#include "radeon_nqssadce.h"
+#include "radeon_program_alu.h"
+#include "r300_fragprog.h"
+#include "r300_fragprog_swizzle.h"
+#include "r500_fragprog.h"
+
+
+static void nqssadce_init(struct nqssadce_state* s)
+{
+ struct r300_fragment_program_compiler * c = s->UserData;
+ s->Outputs[c->OutputColor].Sourced = WRITEMASK_XYZW;
+ s->Outputs[c->OutputDepth].Sourced = WRITEMASK_W;
+}
+
+static void rewrite_depth_out(struct r300_fragment_program_compiler * c)
+{
+ struct rc_instruction *rci;
+
+ for (rci = c->Base.Program.Instructions.Next; rci != &c->Base.Program.Instructions; rci = rci->Next) {
+ struct prog_instruction * inst = &rci->I;
+
+ if (inst->DstReg.File != PROGRAM_OUTPUT || inst->DstReg.Index != c->OutputDepth)
+ continue;
+
+ if (inst->DstReg.WriteMask & WRITEMASK_Z) {
+ inst->DstReg.WriteMask = WRITEMASK_W;
+ } else {
+ inst->DstReg.WriteMask = 0;
+ continue;
+ }
+
+ switch (inst->Opcode) {
+ case OPCODE_FRC:
+ case OPCODE_MOV:
+ inst->SrcReg[0] = lmul_swizzle(SWIZZLE_ZZZZ, inst->SrcReg[0]);
+ break;
+ case OPCODE_ADD:
+ case OPCODE_MAX:
+ case OPCODE_MIN:
+ case OPCODE_MUL:
+ inst->SrcReg[0] = lmul_swizzle(SWIZZLE_ZZZZ, inst->SrcReg[0]);
+ inst->SrcReg[1] = lmul_swizzle(SWIZZLE_ZZZZ, inst->SrcReg[1]);
+ break;
+ case OPCODE_CMP:
+ case OPCODE_MAD:
+ inst->SrcReg[0] = lmul_swizzle(SWIZZLE_ZZZZ, inst->SrcReg[0]);
+ inst->SrcReg[1] = lmul_swizzle(SWIZZLE_ZZZZ, inst->SrcReg[1]);
+ inst->SrcReg[2] = lmul_swizzle(SWIZZLE_ZZZZ, inst->SrcReg[2]);
+ break;
+ default:
+ // Scalar instructions needn't be reswizzled
+ break;
+ }
+ }
+}
+
+void r3xx_compile_fragment_program(struct r300_fragment_program_compiler* c)
+{
+ rewrite_depth_out(c);
+
+ if (c->is_r500) {
+ struct radeon_program_transformation transformations[] = {
+ { &r500_transform_TEX, c },
+ { &radeonTransformALU, 0 },
+ { &radeonTransformDeriv, 0 },
+ { &radeonTransformTrigScale, 0 }
+ };
+ radeonLocalTransform(&c->Base, 4, transformations);
+ } else {
+ struct radeon_program_transformation transformations[] = {
+ { &r300_transform_TEX, c },
+ { &radeonTransformALU, 0 },
+ { &radeonTransformTrigSimple, 0 }
+ };
+ radeonLocalTransform(&c->Base, 3, transformations);
+ }
+
+ if (c->Base.Debug) {
+ _mesa_printf("Fragment Program: After native rewrite:\n");
+ rc_print_program(&c->Base.Program);
+ fflush(stdout);
+ }
+
+ if (c->is_r500) {
+ struct radeon_nqssadce_descr nqssadce = {
+ .Init = &nqssadce_init,
+ .IsNativeSwizzle = &r500FPIsNativeSwizzle,
+ .BuildSwizzle = &r500FPBuildSwizzle
+ };
+ radeonNqssaDce(&c->Base, &nqssadce, c);
+ } else {
+ struct radeon_nqssadce_descr nqssadce = {
+ .Init = &nqssadce_init,
+ .IsNativeSwizzle = &r300FPIsNativeSwizzle,
+ .BuildSwizzle = &r300FPBuildSwizzle
+ };
+ radeonNqssaDce(&c->Base, &nqssadce, c);
+ }
+
+ if (c->Base.Debug) {
+ _mesa_printf("Compiler: after NqSSA-DCE:\n");
+ rc_print_program(&c->Base.Program);
+ fflush(stdout);
+ }
+
+ if (c->is_r500) {
+ r500BuildFragmentProgramHwCode(c);
+ } else {
+ r300BuildFragmentProgramHwCode(c);
+ }
+
+ rc_constants_copy(&c->code->constants, &c->Base.Program.Constants);
+
+ if (c->Base.Debug) {
+ if (c->is_r500) {
+ r500FragmentProgramDump(c->code);
+ } else {
+ r300FragmentProgramDump(c->code);
+ }
+ }
+}