move the swizzling code to gallivm in preperation for code-generating it

also some minor cleanups

4 files changed, 191 insertions, 146 deletions

diff --git a/src/gallium/auxiliary/gallivm/gallivm.h b/src/gallium/auxiliary/gallivm/gallivm.h
index b4d6555d2fc..36a64a77471 100644
--- a/src/gallium/auxiliary/gallivm/gallivm.h
+++ b/src/gallium/auxiliary/gallivm/gallivm.h
@@ -90,10 +90,15 @@ void gallivm_prog_dump(struct gallivm_prog *prog, const char *file_prefix);
 struct gallivm_cpu_engine *gallivm_cpu_engine_create(struct gallivm_prog *prog);
 struct gallivm_cpu_engine *gallivm_global_cpu_engine();
 int gallivm_cpu_vs_exec(struct gallivm_prog *prog,
-                        struct tgsi_exec_vector       *inputs,
-                        struct tgsi_exec_vector       *dests,
-                        float (*consts)[4],
-                        struct tgsi_exec_vector       *temps);
+                        struct tgsi_exec_machine *machine,
+                        const float (*input)[4],
+                        unsigned num_inputs,
+                        float (*output)[4],
+                        unsigned num_outputs,
+                        const float (*constants)[4],
+                        unsigned count,
+                        unsigned input_stride,
+                        unsigned output_stride);
 int gallivm_cpu_fs_exec(struct gallivm_prog *prog,
                         float x, float y,
                         float (*dests)[PIPE_MAX_SHADER_INPUTS][4],
diff --git a/src/gallium/auxiliary/gallivm/gallivm_builtins.cpp b/src/gallium/auxiliary/gallivm/gallivm_builtins.cpp
index a6f8cd043bc..0fc5c4ec5ca 100644
--- a/src/gallium/auxiliary/gallivm/gallivm_builtins.cpp
+++ b/src/gallium/auxiliary/gallivm/gallivm_builtins.cpp
@@ -1,141 +1,140 @@
 static const unsigned char llvm_builtins_data[] = {
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+0x19,0x00,0xe1,0x4b,0x53,0x64,0x0a,0x84,0x84,0x34,0x85,0x31,0x10,0x0a,0xb2,0x3c,
+0x56,0x30,0x08,0xcc,0x63,0x0b,0x44,0x25,0x21,0x0d,0x00,0x00,0x00,0x00,0x00,0x00};
diff --git a/src/gallium/auxiliary/gallivm/gallivm_cpu.cpp b/src/gallium/auxiliary/gallivm/gallivm_cpu.cpp
index 8f9830d0b1e..857c190f7b6 100644
--- a/src/gallium/auxiliary/gallivm/gallivm_cpu.cpp
+++ b/src/gallium/auxiliary/gallivm/gallivm_cpu.cpp
@@ -41,6 +41,7 @@
 
 #include "pipe/p_context.h"
 #include "pipe/p_shader_tokens.h"
+#include "pipe/p_util.h"
 
 #include "tgsi/exec/tgsi_exec.h"
 #include "tgsi/util/tgsi_dump.h"
@@ -179,22 +180,63 @@ typedef void (*vertex_shader_runner)(void *ainputs,
                                      float (*aconsts)[4],
                                      void *temps);
 
-
+#define MAX_TGSI_VERTICES 4
 /*!
   This function is used to execute the gallivm_prog in software. Before calling
   this function the gallivm_prog has to be JIT compiled with the gallivm_cpu_jit_compile
   function.
  */
 int gallivm_cpu_vs_exec(struct gallivm_prog *prog,
-                        struct tgsi_exec_vector       *inputs,
-                        struct tgsi_exec_vector       *dests,
-                        float (*consts)[4],
-                        struct tgsi_exec_vector       *temps)
+                        struct tgsi_exec_machine *machine,
+                        const float (*input)[4],
+                        unsigned num_inputs,
+                        float (*output)[4],
+                        unsigned num_outputs,
+                        const float (*constants)[4],
+                        unsigned count,
+                        unsigned input_stride,
+                        unsigned output_stride )
 {
+   unsigned int i, j;
+   unsigned slot;
    vertex_shader_runner runner = reinterpret_cast<vertex_shader_runner>(prog->function);
+
    assert(runner);
-   /*FIXME*/
-   runner(inputs, dests, consts, temps);
+
+   for (i = 0; i < count; i += MAX_TGSI_VERTICES) {
+      unsigned int max_vertices = MIN2(MAX_TGSI_VERTICES, count - i);
+
+      /* Swizzle inputs.
+       */
+      for (j = 0; j < max_vertices; j++) {
+	 for (slot = 0; slot < num_inputs; slot++) {
+	    machine->Inputs[slot].xyzw[0].f[j] = input[slot][0];
+	    machine->Inputs[slot].xyzw[1].f[j] = input[slot][1];
+	    machine->Inputs[slot].xyzw[2].f[j] = input[slot][2];
+	    machine->Inputs[slot].xyzw[3].f[j] = input[slot][3];
+	 }
+
+	 input = (const float (*)[4])((const char *)input + input_stride);
+      }
+
+      /* run shader */
+      runner(machine->Inputs,
+             machine->Outputs,
+             (float (*)[4]) constants,
+             machine->Temps);
+
+      /* Unswizzle all output results
+       */
+      for (j = 0; j < max_vertices; j++) {
+         for (slot = 0; slot < num_outputs; slot++) {
+            output[slot][0] = machine->Outputs[slot].xyzw[0].f[j];
+            output[slot][1] = machine->Outputs[slot].xyzw[1].f[j];
+            output[slot][2] = machine->Outputs[slot].xyzw[2].f[j];
+            output[slot][3] = machine->Outputs[slot].xyzw[3].f[j];
+         }
+         output = (float (*)[4])((char *)output + output_stride);
+      }
+   }
 
    return 0;
 }
diff --git a/src/gallium/auxiliary/gallivm/llvm_builtins.c b/src/gallium/auxiliary/gallivm/llvm_builtins.c
index 64b5d499a8e..6b9d626ed4a 100644
--- a/src/gallium/auxiliary/gallivm/llvm_builtins.c
+++ b/src/gallium/auxiliary/gallivm/llvm_builtins.c
@@ -1,4 +1,3 @@
-/*clang --emit-llvm llvm_builtins.c |llvm-as|opt -std-compile-opts|llvm2cpp -gen-contents -o=gallivm_builtins.cpp -f -for=shader -funcname=createGallivmBuiltins*/
 /**************************************************************************
  *
  * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.