i965: Delete brw_vs_constval.c and the brw_wm_input_sizes atom.

This was only used to compute proj_attrib_mask, which was removed by the
previous commit.  That makes this dead code.

Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Eric Anholt <eric@anholt.net>

5 files changed, 0 insertions, 279 deletions

diff --git a/src/mesa/drivers/dri/i965/Makefile.sources b/src/mesa/drivers/dri/i965/Makefile.sources
index 59bf7b71abc..be8d630e85e 100644
--- a/src/mesa/drivers/dri/i965/Makefile.sources
+++ b/src/mesa/drivers/dri/i965/Makefile.sources
@@ -91,7 +91,6 @@ i965_FILES = \
 	brw_vec4_visitor.cpp \
 	brw_vec4_vp.cpp \
 	brw_vs.c \
-	brw_vs_constval.c \
 	brw_vs_state.c \
 	brw_vs_surface_state.c \
 	brw_vtbl.c \
diff --git a/src/mesa/drivers/dri/i965/brw_context.h b/src/mesa/drivers/dri/i965/brw_context.h
index ea5b62a2436..32ff30efe58 100644
--- a/src/mesa/drivers/dri/i965/brw_context.h
+++ b/src/mesa/drivers/dri/i965/brw_context.h
@@ -1002,11 +1002,6 @@ struct brw_context
    struct {
       struct brw_wm_prog_data *prog_data;
 
-      /** Input sizes, calculated from active vertex program.
-       * One bit per fragment program input attribute.
-       */
-      GLbitfield64 input_size_masks[4];
-
       /** offsets in the batch to sampler default colors (texture border color)
        */
       uint32_t sdc_offset[BRW_MAX_TEX_UNIT];
diff --git a/src/mesa/drivers/dri/i965/brw_state.h b/src/mesa/drivers/dri/i965/brw_state.h
index 0914cdde7d0..9c956f85dc5 100644
--- a/src/mesa/drivers/dri/i965/brw_state.h
+++ b/src/mesa/drivers/dri/i965/brw_state.h
@@ -72,7 +72,6 @@ extern const struct brw_tracked_state brw_vertex_state;
 extern const struct brw_tracked_state brw_vs_prog;
 extern const struct brw_tracked_state brw_vs_ubo_surfaces;
 extern const struct brw_tracked_state brw_vs_unit;
-extern const struct brw_tracked_state brw_wm_input_sizes;
 extern const struct brw_tracked_state brw_wm_prog;
 extern const struct brw_tracked_state brw_renderbuffer_surfaces;
 extern const struct brw_tracked_state brw_texture_surfaces;
diff --git a/src/mesa/drivers/dri/i965/brw_state_upload.c b/src/mesa/drivers/dri/i965/brw_state_upload.c
index 5c5c05e3efd..6488d407e1c 100644
--- a/src/mesa/drivers/dri/i965/brw_state_upload.c
+++ b/src/mesa/drivers/dri/i965/brw_state_upload.c
@@ -38,7 +38,6 @@
 
 static const struct brw_tracked_state *gen4_atoms[] =
 {
-   &brw_wm_input_sizes,
    &brw_vs_prog, /* must do before GS prog, state base address. */
    &brw_gs_prog, /* must do before state base address */
    &brw_clip_prog, /* must do before state base address */
@@ -103,7 +102,6 @@ static const struct brw_tracked_state *gen4_atoms[] =
 
 static const struct brw_tracked_state *gen6_atoms[] =
 {
-   &brw_wm_input_sizes,
    &brw_vs_prog, /* must do before state base address */
    &brw_gs_prog, /* must do before state base address */
    &brw_wm_prog, /* must do before state base address */
@@ -175,7 +173,6 @@ static const struct brw_tracked_state *gen6_atoms[] =
 
 static const struct brw_tracked_state *gen7_atoms[] =
 {
-   &brw_wm_input_sizes,
    &brw_vs_prog,
    &brw_wm_prog,
 
diff --git a/src/mesa/drivers/dri/i965/brw_vs_constval.c b/src/mesa/drivers/dri/i965/brw_vs_constval.c
deleted file mode 100644
index 13e8f70e381..00000000000
--- a/src/mesa/drivers/dri/i965/brw_vs_constval.c
+++ /dev/null
@@ -1,269 +0,0 @@
-/*
- Copyright (C) Intel Corp.  2006.  All Rights Reserved.
- Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to
- develop this 3D driver.
- 
- 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 the rights to use, copy, modify, merge, publish,
- distribute, sublicense, 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 NONINFRINGEMENT.
- IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS 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.
- 
- **********************************************************************/
- /*
-  * Authors:
-  *   Keith Whitwell <keith@tungstengraphics.com>
-  */
-            
-
-#include "main/macros.h"
-#include "brw_context.h"
-#include "brw_vs.h"
-
-/* Component is active if it may diverge from [0,0,0,1].  Undef values
- * are promoted to [0,0,0,1] for the purposes of this analysis.
- */
-struct tracker {
-   bool twoside;
-   GLubyte active[PROGRAM_OUTPUT+1][MAX_PROGRAM_TEMPS];
-   GLbitfield64 size_masks[4];  /**< one bit per fragment program input attrib */
-};
-
-
-static void set_active_component( struct tracker *t,
-				  GLuint file,
-				  GLuint index,
-				  GLubyte active )
-{
-   switch (file) {
-   case PROGRAM_TEMPORARY:
-   case PROGRAM_INPUT:
-   case PROGRAM_OUTPUT:
-      assert(file < PROGRAM_OUTPUT + 1);
-      assert(index < Elements(t->active[0]));
-      t->active[file][index] |= active;
-      break;
-   default:
-      break;
-   }
-}
-
-static void set_active( struct tracker *t,
-			struct prog_dst_register dst,
-			GLuint active )
-{
-   set_active_component( t, dst.File, dst.Index, active & dst.WriteMask );
-}
-
-
-static GLubyte get_active_component( struct tracker *t,
-				     GLuint file,
-				     GLuint index,
-				     GLuint component,
-				     GLubyte swz )
-{
-   switch (swz) {
-   case SWIZZLE_ZERO:
-      return component < 3 ? 0 : (1<<component);
-   case SWIZZLE_ONE:
-      return component == 3 ? 0 : (1<<component);
-   default:
-      switch (file) {
-      case PROGRAM_TEMPORARY:
-      case PROGRAM_INPUT:
-      case PROGRAM_OUTPUT:
-	 return t->active[file][index] & (1<<component);
-      default:
-	 return 1 << component;
-      }
-   }
-}
-
-
-static GLubyte get_active( struct tracker *t,
-			   struct prog_src_register src )
-{
-   GLuint i;
-   GLubyte active = src.Negate; /* NOTE! */
-
-   if (src.RelAddr)
-      return 0xf;
-
-   for (i = 0; i < 4; i++) 
-      active |= get_active_component(t, src.File, src.Index, i,
-				     GET_SWZ(src.Swizzle, i));
-
-   return active;
-}
-
-/**
- * Return the size (1,2,3 or 4) of the output/result for VARYING_SLOT_idx.
- */
-static GLubyte get_output_size( struct tracker *t,
-				GLuint idx )
-{
-   GLubyte active;
-   assert(idx < VARYING_SLOT_MAX);
-   active = t->active[PROGRAM_OUTPUT][idx];
-   if (active & (1<<3)) return 4;
-   if (active & (1<<2)) return 3;
-   if (active & (1<<1)) return 2;
-   if (active & (1<<0)) return 1;
-   return 0;
-}
-
-/* Note the potential copying that occurs in the setup program:
- */
-static void calc_sizes( struct tracker *t )
-{
-   GLint vertRes;
-
-   if (t->twoside) {
-      t->active[PROGRAM_OUTPUT][VARYING_SLOT_COL0] |= 
-	 t->active[PROGRAM_OUTPUT][VARYING_SLOT_BFC0];
-
-      t->active[PROGRAM_OUTPUT][VARYING_SLOT_COL1] |= 
-	 t->active[PROGRAM_OUTPUT][VARYING_SLOT_BFC1];
-   }
-
-   /* Examine vertex program output sizes to set the size_masks[] info
-    * which describes the fragment program input sizes.
-    */
-   for (vertRes = 0; vertRes < VARYING_SLOT_MAX; vertRes++) {
-      if (!_mesa_varying_slot_in_fs(vertRes))
-         continue;
-
-      switch (get_output_size(t, vertRes)) {
-      case 4: t->size_masks[4-1] |= BITFIELD64_BIT(vertRes);
-      case 3: t->size_masks[3-1] |= BITFIELD64_BIT(vertRes);
-      case 2: t->size_masks[2-1] |= BITFIELD64_BIT(vertRes);
-      case 1: t->size_masks[1-1] |= BITFIELD64_BIT(vertRes);
-	 break;
-      }
-   }
-}
-
-static GLubyte szflag[4+1] = {
-   0,
-   0x1,
-   0x3,
-   0x7,
-   0xf
-};
-
-/* Pull a size out of the packed array:
- */
-static GLuint get_input_size(struct brw_context *brw,
-			     GLuint attr)
-{
-   GLuint sizes_dword = brw->vb.info.sizes[attr/16];
-   GLuint sizes_bits = (sizes_dword>>((attr%16)*2)) & 0x3;
-   return sizes_bits + 1;
-/*    return brw->vb.inputs[attr].glarray->Size; */
-}
-
-/* Calculate sizes of vertex program outputs.  Size is the largest
- * component index which might vary from [0,0,0,1]
- */
-static void calc_wm_input_sizes( struct brw_context *brw )
-{
-   struct gl_context *ctx = &brw->intel.ctx;
-   /* BRW_NEW_VERTEX_PROGRAM */
-   const struct brw_vertex_program *vp =
-      brw_vertex_program_const(brw->vertex_program);
-   /* BRW_NEW_INPUT_DIMENSIONS */
-   struct tracker t;
-   GLuint insn;
-   GLuint i;
-
-   /* Mesa IR is not generated for GLSL vertex shaders.  If there's no Mesa
-    * IR, the code below cannot determine which output components are
-    * written.  So, skip it and assume everything is written.  This
-    * circumvents some optimizations in the fragment shader, but it guarantees
-    * that correct code is generated.
-    */
-   if (vp->program.Base.NumInstructions == 0) {
-      brw->wm.input_size_masks[0] = ~(GLbitfield64) 0;
-      brw->wm.input_size_masks[1] = ~(GLbitfield64) 0;
-      brw->wm.input_size_masks[2] = ~(GLbitfield64) 0;
-      brw->wm.input_size_masks[3] = ~(GLbitfield64) 0;
-      return;
-   }
-
-
-   memset(&t, 0, sizeof(t));
-
-   /* _NEW_LIGHT | _NEW_PROGRAM */
-   if (ctx->VertexProgram._TwoSideEnabled)
-      t.twoside = 1;
-
-   for (i = 0; i < VERT_ATTRIB_MAX; i++) 
-      if (vp->program.Base.InputsRead & BITFIELD64_BIT(i))
-	 set_active_component(&t, PROGRAM_INPUT, i, 
-			      szflag[get_input_size(brw, i)]);
-      
-   for (insn = 0; insn < vp->program.Base.NumInstructions; insn++) {
-      struct prog_instruction *inst = &vp->program.Base.Instructions[insn];
-      
-      switch (inst->Opcode) {
-      case OPCODE_ARL:
-	 break;
-
-      case OPCODE_MOV:
-	 set_active(&t, inst->DstReg, get_active(&t, inst->SrcReg[0]));
-	 break;
-
-      default:
-	 set_active(&t, inst->DstReg, 0xf);
-	 break;
-      }
-   }
-
-   calc_sizes(&t);
-
-   /* _NEW_POINT
-    *
-    * If the SF will be replacing the vertex output with a reference to
-    * gl_PointCoord, then tell the fragment shader that the value actually
-    * does vary.
-    */
-   if (ctx->Point.PointSprite) {
-      for (int i = 0; i < 8; i++) {
-         if (ctx->Point.CoordReplace[i]) {
-            t.size_masks[4-1] |= VARYING_BIT_TEX(i);
-            t.size_masks[3-1] |= VARYING_BIT_TEX(i);
-            t.size_masks[2-1] |= VARYING_BIT_TEX(i);
-            t.size_masks[1-1] |= VARYING_BIT_TEX(i);
-         }
-      }
-   }
-
-   if (memcmp(brw->wm.input_size_masks, t.size_masks, sizeof(t.size_masks)) != 0) {
-      memcpy(brw->wm.input_size_masks, t.size_masks, sizeof(t.size_masks));
-      brw->state.dirty.brw |= BRW_NEW_WM_INPUT_DIMENSIONS;
-   }
-}
-
-const struct brw_tracked_state brw_wm_input_sizes = {
-   .dirty = {
-      .mesa  = _NEW_LIGHT | _NEW_PROGRAM | _NEW_POINT,
-      .brw   = BRW_NEW_VERTEX_PROGRAM | BRW_NEW_INPUT_DIMENSIONS,
-      .cache = 0
-   },
-   .emit = calc_wm_input_sizes
-};
-