i965g: Drop i965simple

The driver never work with real hardware and has
bitrotted for quite some time now, might as well
drop it. If somebody wants to look at it just use git.

1 files changed, 0 insertions, 392 deletions

diff --git a/src/gallium/drivers/i965simple/brw_wm_decl.c b/src/gallium/drivers/i965simple/brw_wm_decl.c
deleted file mode 100644
index d50e66f613..0000000000
--- a/src/gallium/drivers/i965simple/brw_wm_decl.c
+++ /dev/null
@@ -1,392 +0,0 @@
-
-#include "brw_context.h"
-#include "brw_eu.h"
-#include "brw_wm.h"
-#include "util/u_math.h"
-#include "util/u_memory.h"
-#include "pipe/p_shader_tokens.h"
-#include "tgsi/tgsi_parse.h"
-
-static struct brw_reg alloc_tmp(struct brw_wm_compile *c)
-{
-   c->tmp_index++;
-   c->reg_index = MAX2(c->reg_index, c->tmp_start + c->tmp_index);
-   return brw_vec8_grf(c->tmp_start + c->tmp_index, 0);
-}
-
-static void release_tmps(struct brw_wm_compile *c)
-{
-   c->tmp_index = 0;
-}
-
-
-
-static int is_null( struct brw_reg reg )
-{
-   return (reg.file == BRW_ARCHITECTURE_REGISTER_FILE &&
-	   reg.nr == BRW_ARF_NULL);
-}
-
-static void emit_pixel_xy( struct brw_wm_compile *c )
-{
-   if (is_null(c->pixel_xy[0])) {
-
-      struct brw_compile *p = &c->func;
-      struct brw_reg r1_uw = retype(brw_vec1_grf(1, 0), BRW_REGISTER_TYPE_UW);
-
-      c->pixel_xy[0] = vec8(retype(alloc_tmp(c), BRW_REGISTER_TYPE_UW));
-      c->pixel_xy[1] = vec8(retype(alloc_tmp(c), BRW_REGISTER_TYPE_UW));
-
-      /* Calculate pixel centers by adding 1 or 0 to each of the
-       * micro-tile coordinates passed in r1.
-       */
-      brw_ADD(p,
-	      c->pixel_xy[0],
-	      stride(suboffset(r1_uw, 4), 2, 4, 0),
-	      brw_imm_v(0x10101010));
-
-      brw_ADD(p,
-	      c->pixel_xy[1],
-	      stride(suboffset(r1_uw, 5), 2, 4, 0),
-	      brw_imm_v(0x11001100));
-   }
-}
-
-
-
-
-
-
-static void emit_delta_xy( struct brw_wm_compile *c )
-{
-   if (is_null(c->delta_xy[0])) {
-      struct brw_compile *p = &c->func;
-      struct brw_reg r1 = brw_vec1_grf(1, 0);
-
-      emit_pixel_xy(c);
-
-      c->delta_xy[0] = alloc_tmp(c);
-      c->delta_xy[1] = alloc_tmp(c);
-
-      /* Calc delta X,Y by subtracting origin in r1 from the pixel
-       * centers.
-       */
-      brw_ADD(p,
-	      c->delta_xy[0],
-	      retype(c->pixel_xy[0], BRW_REGISTER_TYPE_UW),
-	      negate(r1));
-
-      brw_ADD(p,
-	      c->delta_xy[1],
-	      retype(c->pixel_xy[1], BRW_REGISTER_TYPE_UW),
-	      negate(suboffset(r1,1)));
-   }
-}
-
-
-
-#if 0
-static void emit_pixel_w( struct brw_wm_compile *c )
-{
-   if (is_null(c->pixel_w)) {
-      struct brw_compile *p = &c->func;
-
-      struct brw_reg interp_wpos = c->coef_wpos;
-      
-      c->pixel_w = alloc_tmp(c);
-
-      emit_delta_xy(c);
-
-      /* Calc 1/w - just linterp wpos[3] optimized by putting the
-       * result straight into a message reg.
-       */
-      struct brw_reg interp3 = brw_vec1_grf(interp_wpos.nr+1, 4);
-      brw_LINE(p, brw_null_reg(), interp3, c->delta_xy[0]);
-      brw_MAC(p, brw_message_reg(2), suboffset(interp3, 1), c->delta_xy[1]);
-
-      /* Calc w */
-      brw_math_16( p, 
-		   c->pixel_w,
-		   BRW_MATH_FUNCTION_INV,
-		   BRW_MATH_SATURATE_NONE,
-		   2, 
-		   brw_null_reg(),
-		   BRW_MATH_PRECISION_FULL);
-   }
-}
-#endif
-
-
-static void emit_cinterp(struct brw_wm_compile *c,
-			 int idx,
-			 int mask )
-{
-   struct brw_compile *p = &c->func;
-   struct brw_reg interp[4];
-   struct brw_reg coef = c->payload_coef[idx];
-   int i;
-
-   interp[0] = brw_vec1_grf(coef.nr, 0);
-   interp[1] = brw_vec1_grf(coef.nr, 4);
-   interp[2] = brw_vec1_grf(coef.nr+1, 0);
-   interp[3] = brw_vec1_grf(coef.nr+1, 4);
-
-   for(i = 0; i < 4; i++ ) {
-      if (mask & (1<<i)) {
-	 struct brw_reg dst = c->wm_regs[TGSI_FILE_INPUT][idx][i];
-	 brw_MOV(p, dst, suboffset(interp[i],3));
-      }
-   }
-}
-
-static void emit_linterp(struct brw_wm_compile *c,
-			 int idx,
-			 int mask )
-{
-   struct brw_compile *p = &c->func;
-   struct brw_reg interp[4];
-   struct brw_reg coef = c->payload_coef[idx];
-   int i;
-
-   emit_delta_xy(c);
-
-   interp[0] = brw_vec1_grf(coef.nr, 0);
-   interp[1] = brw_vec1_grf(coef.nr, 4);
-   interp[2] = brw_vec1_grf(coef.nr+1, 0);
-   interp[3] = brw_vec1_grf(coef.nr+1, 4);
-
-   for(i = 0; i < 4; i++ ) {
-      if (mask & (1<<i)) {
-	 struct brw_reg dst = c->wm_regs[TGSI_FILE_INPUT][idx][i];
-	 brw_LINE(p, brw_null_reg(), interp[i], c->delta_xy[0]);
-	 brw_MAC(p, dst, suboffset(interp[i],1), c->delta_xy[1]);
-      }
-   }
-}
-
-#if 0
-static void emit_pinterp(struct brw_wm_compile *c,
-			 int idx,
-			 int mask )
-{
-   struct brw_compile *p = &c->func;
-   struct brw_reg interp[4];
-   struct brw_reg coef = c->payload_coef[idx];
-   int i;
-
-   get_delta_xy(c);
-   get_pixel_w(c);
-
-   interp[0] = brw_vec1_grf(coef.nr, 0);
-   interp[1] = brw_vec1_grf(coef.nr, 4);
-   interp[2] = brw_vec1_grf(coef.nr+1, 0);
-   interp[3] = brw_vec1_grf(coef.nr+1, 4);
-
-   for(i = 0; i < 4; i++ ) {
-      if (mask & (1<<i)) {
-	 struct brw_reg dst = allocate_reg(c, TGSI_FILE_INPUT, idx, i);
-	 brw_LINE(p, brw_null_reg(), interp[i], c->delta_xy[0]);
-	 brw_MAC(p, dst, suboffset(interp[i],1), c->delta_xy[1]);
-	 brw_MUL(p, dst, dst, c->pixel_w);
-      }
-   }
-}
-#endif
-
-
-
-#if 0
-static void emit_wpos( )
-{ 
-   struct prog_dst_register dst = dst_reg(PROGRAM_INPUT, idx);
-   struct tgsi_full_src_register interp = src_reg(PROGRAM_PAYLOAD, idx);
-   struct tgsi_full_src_register deltas = get_delta_xy(c);
-   struct tgsi_full_src_register arg2;
-   unsigned opcode;
-
-   opcode = WM_LINTERP;
-   arg2 = src_undef();
-
-   /* Have to treat wpos.xy specially:
-    */
-   emit_op(c,
-	   WM_WPOSXY,
-	   dst_mask(dst, WRITEMASK_XY),
-	   0, 0, 0,
-	   get_pixel_xy(c),
-	   src_undef(),
-	   src_undef());
-      
-   dst = dst_mask(dst, WRITEMASK_ZW);
-
-   /* PROGRAM_INPUT.attr.xyzw = INTERP payload.interp[attr].x, deltas.xyw
-    */
-   emit_op(c,
-	   WM_LINTERP,
-	   dst,
-	   0, 0, 0,
-	   interp,
-	   deltas,
-	   arg2);
-}
-#endif
-
-
-
-
-/* Perform register allocation:
- * 
- *  -- r0???
- *  -- passthrough depth regs (and stencil/aa??)
- *  -- curbe ??
- *  -- inputs (coefficients)
- *
- * Use a totally static register allocation.  This will perform poorly
- * but is an easy way to get started (again).
- */
-static void prealloc_reg(struct brw_wm_compile *c)
-{
-   int i, j;
-   int nr_curbe_regs = 0;
-
-   /* R0, then some depth related regs:
-    */
-   for (i = 0; i < c->key.nr_depth_regs; i++) {
-      c->payload_depth[i] =  brw_vec8_grf(i*2, 0);
-      c->reg_index += 2;
-   }
-
-
-   /* Then a copy of our part of the CURBE entry:
-    */
-   {
-      int nr_constants = c->fp->info.file_max[TGSI_FILE_CONSTANT] + 1;
-      int index = 0;
-
-      /* XXX number of constants, or highest numbered constant? */
-      assert(nr_constants == c->fp->info.file_count[TGSI_FILE_CONSTANT]);
-
-      c->prog_data.max_const = 4*nr_constants;
-      for (i = 0; i < nr_constants; i++) {
-	 for (j = 0; j < 4; j++, index++) 
-	    c->wm_regs[TGSI_FILE_CONSTANT][i][j] = brw_vec1_grf(c->reg_index + index/8,
-								index%8);
-      }
-
-      nr_curbe_regs = 2*((4*nr_constants+15)/16);
-      c->reg_index += nr_curbe_regs;
-   }
-
-   /* Adjust for parameter coefficients for position, which are
-    * currently always provided.
-    */
-//   c->position_coef[i] = brw_vec8_grf(c->reg_index, 0);
-   c->reg_index += 2;
-
-   /* Next we receive the plane coefficients for parameter
-    * interpolation:
-    */
-   assert(c->fp->info.file_max[TGSI_FILE_INPUT] == c->fp->info.num_inputs);
-   for (i = 0; i < c->fp->info.file_max[TGSI_FILE_INPUT] + 1; i++) {
-      c->payload_coef[i] = brw_vec8_grf(c->reg_index, 0);
-      c->reg_index += 2;
-   }
-
-   c->prog_data.first_curbe_grf = c->key.nr_depth_regs * 2;
-   c->prog_data.urb_read_length = (c->fp->info.num_inputs + 1) * 2;
-   c->prog_data.curb_read_length = nr_curbe_regs;
-
-   /* That's the end of the payload, now we can start allocating registers.
-    */
-   c->emit_mask_reg = brw_uw1_reg(BRW_GENERAL_REGISTER_FILE, c->reg_index, 0);
-   c->reg_index++;
-
-   c->stack = brw_uw16_reg(BRW_GENERAL_REGISTER_FILE, c->reg_index, 0);
-   c->reg_index += 2;
-
-   /* Now allocate room for the interpolated inputs and staging
-    * registers for the outputs:
-    */
-   /* XXX do we want to loop over the _number_ of inputs/outputs or loop
-    * to the highest input/output index that's used?
-    *  Probably the same, actually.
-    */
-   assert(c->fp->info.file_max[TGSI_FILE_INPUT] + 1 == c->fp->info.num_inputs);
-   assert(c->fp->info.file_max[TGSI_FILE_OUTPUT] + 1 == c->fp->info.num_outputs);
-   for (i = 0; i < c->fp->info.file_max[TGSI_FILE_INPUT] + 1; i++) 
-      for (j = 0; j < 4; j++)
-	 c->wm_regs[TGSI_FILE_INPUT][i][j] = brw_vec8_grf( c->reg_index++, 0 );
-
-   for (i = 0; i < c->fp->info.file_max[TGSI_FILE_OUTPUT] + 1; i++) 
-      for (j = 0; j < 4; j++)
-	 c->wm_regs[TGSI_FILE_OUTPUT][i][j] = brw_vec8_grf( c->reg_index++, 0 );
-
-   /* Beyond this we should only need registers for internal temporaries:
-    */
-   c->tmp_start = c->reg_index;
-}
-
-
-
-
-
-/* Need to interpolate fragment program inputs in as a preamble to the
- * shader.  A more sophisticated compiler would do this on demand, but
- * we'll do it up front:
- */
-void brw_wm_emit_decls(struct brw_wm_compile *c)
-{
-   struct tgsi_parse_context parse;
-   int done = 0;
-
-   prealloc_reg(c);
-
-   tgsi_parse_init( &parse, c->fp->program.tokens );
-
-   while( !done &&
-	  !tgsi_parse_end_of_tokens( &parse ) ) 
-   {
-      tgsi_parse_token( &parse );
-
-      switch( parse.FullToken.Token.Type ) {
-      case TGSI_TOKEN_TYPE_DECLARATION:
-      {
-	 const struct tgsi_full_declaration *decl = &parse.FullToken.FullDeclaration;
-	 unsigned first = decl->DeclarationRange.First;
-	 unsigned last = decl->DeclarationRange.Last;
-	 unsigned mask = decl->Declaration.UsageMask; /* ? */
-	 unsigned i;
-
-	 if (decl->Declaration.File != TGSI_FILE_INPUT)
-	    break;
-
-	 for( i = first; i <= last; i++ ) {
-	    switch (decl->Declaration.Interpolate) {
-	    case TGSI_INTERPOLATE_CONSTANT:
-	       emit_cinterp(c, i, mask);
-	       break;
-
-	    case TGSI_INTERPOLATE_LINEAR:
-	       emit_linterp(c, i, mask);
-	       break;
-
-	    case TGSI_INTERPOLATE_PERSPECTIVE:
-	       //emit_pinterp(c, i, mask);
-	       emit_linterp(c, i, mask);
-	       break;
-	    }
-	 }
-	 break;
-      }
-      case TGSI_TOKEN_TYPE_IMMEDIATE:
-      case TGSI_TOKEN_TYPE_INSTRUCTION:
-      default:
-         done = 1;
-	 break;
-      }
-   }
-
-   tgsi_parse_free (&parse);
-   
-   release_tmps(c);
-}