r300_fragprog: Use nqssa+dce and program_pair for emit

[mesa.git] / src / mesa / drivers / dri / r300 / r300_fragprog.c

diff --git a/src/mesa/drivers/dri/r300/r300_fragprog.c b/src/mesa/drivers/dri/r300/r300_fragprog.c
index 8a1d690ae4ebf69f00ebae1fa7e5e9ff393726cc..d390de54b8a5e8437affeff66eecefe2a8f77056 100644 (file)
--- a/src/mesa/drivers/dri/r300/r300_fragprog.c
+++ b/src/mesa/drivers/dri/r300/r300_fragprog.c
@@ -29,10 +29,8 @@
  * \file
  *
  * Fragment program compiler. Perform transformations on the intermediate
- * \ref radeon_program representation (which is essentially the Mesa
- * program representation plus the notion of clauses) until the program
- * is in a form where we can translate it more or less directly into
- * machine-readable form.
+ * representation until the program is in a form where we can translate
+ * it more or less directly into machine-readable form.
  *
  * \author Ben Skeggs <darktama@iinet.net.au>
  * \author Jerome Glisse <j.glisse@gmail.com>
@@ -47,8 +45,10 @@
 
 #include "r300_context.h"
 #include "r300_fragprog.h"
+#include "r300_fragprog_swizzle.h"
 #include "r300_state.h"
 
+#include "radeon_nqssadce.h"
 #include "radeon_program_alu.h"
 
 
@@ -133,25 +133,6 @@ static GLboolean transform_TEX(
                inst.SrcReg[0].Index = tempreg;
        }
 
-       /* Texture operations do not support swizzles etc. in hardware,
-        * so emit an additional arithmetic operation if necessary.
-        */
-       if (inst.SrcReg[0].Swizzle != SWIZZLE_NOOP ||
-           inst.SrcReg[0].Abs || inst.SrcReg[0].NegateBase || inst.SrcReg[0].NegateAbs) {
-               int tempreg = radeonFindFreeTemporary(t);
-
-               tgt = radeonAppendInstructions(t->Program, 1);
-
-               tgt->Opcode = OPCODE_MOV;
-               tgt->DstReg.File = PROGRAM_TEMPORARY;
-               tgt->DstReg.Index = tempreg;
-               tgt->SrcReg[0] = inst.SrcReg[0];
-
-               reset_srcreg(&inst.SrcReg[0]);
-               inst.SrcReg[0].File = PROGRAM_TEMPORARY;
-               inst.SrcReg[0].Index = tempreg;
-       }
-
        if (inst.Opcode != OPCODE_KIL) {
                if (inst.DstReg.File != PROGRAM_TEMPORARY ||
                    inst.DstReg.WriteMask != WRITEMASK_XYZW) {
@@ -339,6 +320,13 @@ static void insert_WPOS_trailer(struct r300_fragment_program_compiler *compiler)
 }
 
 
+static void nqssadce_init(struct nqssadce_state* s)
+{
+       s->Outputs[FRAG_RESULT_COLR].Sourced = WRITEMASK_XYZW;
+       s->Outputs[FRAG_RESULT_DEPR].Sourced = WRITEMASK_W;
+}
+
+
 static GLuint build_dtm(GLuint depthmode)
 {
        switch(depthmode) {
@@ -417,7 +405,20 @@ void r300TranslateFragmentShader(r300ContextPtr r300,
                        3, transformations);
 
                if (RADEON_DEBUG & DEBUG_PIXEL) {
-                       _mesa_printf("Fragment Program: After transformations:\n");
+                       _mesa_printf("Fragment Program: After native rewrite:\n");
+                       _mesa_print_program(compiler.program);
+               }
+
+               struct radeon_nqssadce_descr nqssadce = {
+                       .Init = &nqssadce_init,
+                       .IsNativeSwizzle = &r300FPIsNativeSwizzle,
+                       .BuildSwizzle = &r300FPBuildSwizzle,
+                       .RewriteDepthOut = GL_TRUE
+               };
+               radeonNqssaDce(r300->radeon.glCtx, compiler.program, &nqssadce);
+
+               if (RADEON_DEBUG & DEBUG_PIXEL) {
+                       _mesa_printf("Compiler: after NqSSA-DCE:\n");
                        _mesa_print_program(compiler.program);
                }
 
@@ -451,22 +452,18 @@ void r300FragmentProgramDump(
 
        fprintf(stderr, "pc=%d*************************************\n", pc++);
 
-       fprintf(stderr, "Mesa program:\n");
-       fprintf(stderr, "-------------\n");
-       _mesa_print_program(&fp->mesa_program.Base);
-       fflush(stdout);
-
        fprintf(stderr, "Hardware program\n");
        fprintf(stderr, "----------------\n");
 
        for (n = 0; n < (code->cur_node + 1); n++) {
                fprintf(stderr, "NODE %d: alu_offset: %d, tex_offset: %d, "
-                       "alu_end: %d, tex_end: %d\n", n,
+                       "alu_end: %d, tex_end: %d, flags: %08x\n", n,
                        code->node[n].alu_offset,
                        code->node[n].tex_offset,
-                       code->node[n].alu_end, code->node[n].tex_end);
+                       code->node[n].alu_end, code->node[n].tex_end,
+                       code->node[n].flags);
 
-               if (code->tex.length) {
+               if (n > 0 || code->first_node_has_tex) {
                        fprintf(stderr, "  TEX:\n");
                        for (i = code->node[n].tex_offset;
                             i <= code->node[n].tex_offset + code->node[n].tex_end;