tgsi/ureg: add ureg_UARL shortcut (v2)

[mesa.git] / src / gallium / auxiliary / gallivm / lp_bld_tgsi_info.c

diff --git a/src/gallium/auxiliary/gallivm/lp_bld_tgsi_info.c b/src/gallium/auxiliary/gallivm/lp_bld_tgsi_info.c
index 48d1c52f128b17cb48170c5afbd849cad2cc0351..55acea8379993109d5514b955fb262d198f4adff 100644 (file)
--- a/src/gallium/auxiliary/gallivm/lp_bld_tgsi_info.c
+++ b/src/gallium/auxiliary/gallivm/lp_bld_tgsi_info.c
@@ -48,6 +48,7 @@ struct analysis_context
 
    unsigned num_imms;
    float imm[LP_MAX_TGSI_IMMEDIATES][4];
+   unsigned sample_target[PIPE_MAX_SHADER_SAMPLER_VIEWS];
 
    struct lp_tgsi_channel_info temp[32][4];
 };
@@ -129,13 +130,24 @@ analyse_tex(struct analysis_context *ctx,
       case TGSI_TEXTURE_SHADOW2D:
       case TGSI_TEXTURE_SHADOWRECT:
       case TGSI_TEXTURE_2D_ARRAY:
+      case TGSI_TEXTURE_2D_MSAA:
       case TGSI_TEXTURE_3D:
       case TGSI_TEXTURE_CUBE:
          readmask = TGSI_WRITEMASK_XYZ;
          break;
       case TGSI_TEXTURE_SHADOW2D_ARRAY:
       case TGSI_TEXTURE_SHADOWCUBE:
+      case TGSI_TEXTURE_2D_ARRAY_MSAA:
+      case TGSI_TEXTURE_CUBE_ARRAY:
          readmask = TGSI_WRITEMASK_XYZW;
+         /* modifier would be in another not analyzed reg so just say indirect */
+         if (modifier != LP_BLD_TEX_MODIFIER_NONE) {
+            indirect = TRUE;
+         }
+         break;
+      case TGSI_TEXTURE_SHADOWCUBE_ARRAY:
+         readmask = TGSI_WRITEMASK_XYZW;
+         indirect = TRUE;
          break;
       default:
          assert(0);
@@ -196,20 +208,45 @@ analyse_sample(struct analysis_context *ctx,
 
    if (info->num_texs < Elements(info->tex)) {
       struct lp_tgsi_texture_info *tex_info = &info->tex[info->num_texs];
+      unsigned target = ctx->sample_target[inst->Src[1].Register.Index];
       boolean indirect = FALSE;
       boolean shadow = FALSE;
       unsigned readmask;
 
-      /*
-       * We don't really get much information here, in particular not
-       * the target info, hence no useful writemask neither. Maybe should just
-       * forget the whole function.
-       */
-      readmask = TGSI_WRITEMASK_XYZW;
+      switch (target) {
+      /* note no shadow targets here */
+      case TGSI_TEXTURE_BUFFER:
+      case TGSI_TEXTURE_1D:
+         readmask = TGSI_WRITEMASK_X;
+         break;
+      case TGSI_TEXTURE_1D_ARRAY:
+      case TGSI_TEXTURE_2D:
+      case TGSI_TEXTURE_RECT:
+         readmask = TGSI_WRITEMASK_XY;
+         break;
+      case TGSI_TEXTURE_2D_ARRAY:
+      case TGSI_TEXTURE_2D_MSAA:
+      case TGSI_TEXTURE_3D:
+      case TGSI_TEXTURE_CUBE:
+         readmask = TGSI_WRITEMASK_XYZ;
+         break;
+      case TGSI_TEXTURE_CUBE_ARRAY:
+      case TGSI_TEXTURE_2D_ARRAY_MSAA:
+         readmask = TGSI_WRITEMASK_XYZW;
+         break;
+      default:
+         assert(0);
+         return;
+      }
 
+      tex_info->target = target;
       tex_info->texture_unit = inst->Src[1].Register.Index;
       tex_info->sampler_unit = inst->Src[2].Register.Index;
 
+      if (tex_info->texture_unit != tex_info->sampler_unit) {
+         info->sampler_texture_units_different = TRUE;
+      }
+
       if (modifier == LP_BLD_TEX_MODIFIER_EXPLICIT_DERIV ||
           modifier == LP_BLD_TEX_MODIFIER_EXPLICIT_LOD ||
           modifier == LP_BLD_TEX_MODIFIER_LOD_BIAS || shadow) {
@@ -296,6 +333,15 @@ analyse_instruction(struct analysis_context *ctx,
       case TGSI_OPCODE_TXP:
          analyse_tex(ctx, inst, LP_BLD_TEX_MODIFIER_PROJECTED);
          break;
+      case TGSI_OPCODE_TEX2:
+         analyse_tex(ctx, inst, LP_BLD_TEX_MODIFIER_NONE);
+         break;
+      case TGSI_OPCODE_TXB2:
+         analyse_tex(ctx, inst, LP_BLD_TEX_MODIFIER_LOD_BIAS);
+         break;
+      case TGSI_OPCODE_TXL2:
+         analyse_tex(ctx, inst, LP_BLD_TEX_MODIFIER_EXPLICIT_LOD);
+         break;
       case TGSI_OPCODE_SAMPLE:
          analyse_sample(ctx, inst, LP_BLD_TEX_MODIFIER_NONE, FALSE);
          break;
@@ -504,7 +550,14 @@ lp_build_tgsi_info(const struct tgsi_token *tokens,
       tgsi_parse_token(&parse);
 
       switch (parse.FullToken.Token.Type) {
-      case TGSI_TOKEN_TYPE_DECLARATION:
+      case TGSI_TOKEN_TYPE_DECLARATION: {
+         struct tgsi_full_declaration *decl = &parse.FullToken.FullDeclaration;
+         if (decl->Declaration.File == TGSI_FILE_SAMPLER_VIEW) {
+            for (index = decl->Range.First; index <= decl->Range.Last; index++) {
+               ctx->sample_target[index] = decl->SamplerView.Resource;
+            }
+         }
+      }
          break;
 
       case TGSI_TOKEN_TYPE_INSTRUCTION: