gallivm: Fast implementation of iround(log2(x))

[mesa.git] / src / gallium / auxiliary / tgsi / tgsi_ureg.h

diff --git a/src/gallium/auxiliary/tgsi/tgsi_ureg.h b/src/gallium/auxiliary/tgsi/tgsi_ureg.h
index 8c8a6bbce66f7e8d0b62609ff9e9a470ded9de8d..acc463200a66a782345db355101750983e968235 100644 (file)
--- a/src/gallium/auxiliary/tgsi/tgsi_ureg.h
+++ b/src/gallium/auxiliary/tgsi/tgsi_ureg.h
@@ -30,6 +30,7 @@
 
 #include "pipe/p_compiler.h"
 #include "pipe/p_shader_tokens.h"
+#include "util/u_debug.h"
 
 #ifdef __cplusplus
 extern "C" {
@@ -48,14 +49,18 @@ struct ureg_src
    unsigned SwizzleZ    : 2;  /* TGSI_SWIZZLE_ */
    unsigned SwizzleW    : 2;  /* TGSI_SWIZZLE_ */
    unsigned Indirect    : 1;  /* BOOL */
+   unsigned DimIndirect : 1;  /* BOOL */
    unsigned Dimension   : 1;  /* BOOL */
    unsigned Absolute    : 1;  /* BOOL */
    unsigned Negate      : 1;  /* BOOL */
    int      Index       : 16; /* SINT */
-   unsigned IndirectFile    : 4;  /* TGSI_FILE_ */
-   int      IndirectIndex   : 16; /* SINT */
-   unsigned IndirectSwizzle : 2;  /* TGSI_SWIZZLE_ */
-   int      DimensionIndex  : 16; /* SINT */
+   unsigned IndirectFile     : 4;  /* TGSI_FILE_ */
+   int      IndirectIndex    : 16; /* SINT */
+   unsigned IndirectSwizzle  : 2;  /* TGSI_SWIZZLE_ */
+   int      DimensionIndex   : 16; /* SINT */
+   unsigned DimIndFile       : 4;  /* TGSI_FILE_ */
+   int      DimIndIndex      : 16; /* SINT */
+   unsigned DimIndSwizzle    : 2;  /* TGSI_SWIZZLE_ */
 };
 
 /* Very similar to a tgsi_dst_register, removing unsupported fields
@@ -103,6 +108,10 @@ ureg_get_tokens( struct ureg_program *ureg,
                  unsigned *nr_tokens );
 
 
+/* Free the tokens created by ureg_get_tokens() */
+void ureg_free_tokens( const struct tgsi_token *tokens );
+
+
 void 
 ureg_destroy( struct ureg_program * );
 
@@ -126,18 +135,63 @@ ureg_create_shader_and_destroy( struct ureg_program *p,
 
 void
 ureg_property_gs_input_prim(struct ureg_program *ureg,
-                            unsigned gs_input_prim);
+                            unsigned input_prim);
 
+void
+ureg_property_gs_output_prim(struct ureg_program *ureg,
+                             unsigned output_prim);
+
+void
+ureg_property_gs_max_vertices(struct ureg_program *ureg,
+                              unsigned max_vertices);
+
+void
+ureg_property_fs_coord_origin(struct ureg_program *ureg,
+                            unsigned fs_coord_origin);
+
+void
+ureg_property_fs_coord_pixel_center(struct ureg_program *ureg,
+                            unsigned fs_coord_pixel_center);
 
 /***********************************************************************
  * Build shader declarations:
  */
 
 struct ureg_src
-ureg_DECL_fs_input( struct ureg_program *,
-                    unsigned semantic_name,
-                    unsigned semantic_index,
-                    unsigned interp_mode );
+ureg_DECL_fs_input_cyl_centroid(struct ureg_program *,
+                       unsigned semantic_name,
+                       unsigned semantic_index,
+                       unsigned interp_mode,
+                       unsigned cylindrical_wrap,
+                       unsigned centroid);
+
+static INLINE struct ureg_src
+ureg_DECL_fs_input_cyl(struct ureg_program *ureg,
+                       unsigned semantic_name,
+                       unsigned semantic_index,
+                       unsigned interp_mode,
+                       unsigned cylindrical_wrap)
+{
+   return ureg_DECL_fs_input_cyl_centroid(ureg,
+                                 semantic_name,
+                                 semantic_index,
+                                 interp_mode,
+                                 cylindrical_wrap,
+                                 0);
+}
+
+static INLINE struct ureg_src
+ureg_DECL_fs_input(struct ureg_program *ureg,
+                   unsigned semantic_name,
+                   unsigned semantic_index,
+                   unsigned interp_mode)
+{
+   return ureg_DECL_fs_input_cyl_centroid(ureg,
+                                 semantic_name,
+                                 semantic_index,
+                                 interp_mode,
+                                 0, 0);
+}
 
 struct ureg_src
 ureg_DECL_vs_input( struct ureg_program *,
@@ -145,7 +199,9 @@ ureg_DECL_vs_input( struct ureg_program *,
 
 struct ureg_src
 ureg_DECL_gs_input(struct ureg_program *,
-                   unsigned index);
+                   unsigned index,
+                   unsigned semantic_name,
+                   unsigned semantic_index);
 
 struct ureg_src
 ureg_DECL_system_value(struct ureg_program *,
@@ -178,6 +234,12 @@ ureg_DECL_immediate_int( struct ureg_program *,
                          const int *v,
                          unsigned nr );
 
+void
+ureg_DECL_constant2D(struct ureg_program *ureg,
+                     unsigned first,
+                     unsigned last,
+                     unsigned index2D);
+
 struct ureg_src
 ureg_DECL_constant( struct ureg_program *,
                     unsigned index );
@@ -192,9 +254,6 @@ ureg_release_temporary( struct ureg_program *ureg,
 struct ureg_dst
 ureg_DECL_address( struct ureg_program * );
 
-struct ureg_dst
-ureg_DECL_loop( struct ureg_program * );
-
 struct ureg_dst
 ureg_DECL_predicate(struct ureg_program *);
 
@@ -782,15 +841,31 @@ ureg_src_indirect( struct ureg_src reg, struct ureg_src addr )
    return reg;
 }
 
-static INLINE struct ureg_src 
+static INLINE struct ureg_src
 ureg_src_dimension( struct ureg_src reg, int index )
 {
    assert(reg.File != TGSI_FILE_NULL);
    reg.Dimension = 1;
+   reg.DimIndirect = 0;
    reg.DimensionIndex = index;
    return reg;
 }
 
+
+static INLINE struct ureg_src
+ureg_src_dimension_indirect( struct ureg_src reg, struct ureg_src addr,
+                             int index )
+{
+   assert(reg.File != TGSI_FILE_NULL);
+   reg.Dimension = 1;
+   reg.DimIndirect = 1;
+   reg.DimensionIndex = index;
+   reg.DimIndFile = addr.File;
+   reg.DimIndIndex = addr.Index;
+   reg.DimIndSwizzle = addr.SwizzleX;
+   return reg;
+}
+
 static INLINE struct ureg_dst
 ureg_dst( struct ureg_src src )
 {
@@ -815,6 +890,34 @@ ureg_dst( struct ureg_src src )
    return dst;
 }
 
+static INLINE struct ureg_src
+ureg_src_register(unsigned file,
+                  unsigned index)
+{
+   struct ureg_src src;
+
+   src.File = file;
+   src.SwizzleX = TGSI_SWIZZLE_X;
+   src.SwizzleY = TGSI_SWIZZLE_Y;
+   src.SwizzleZ = TGSI_SWIZZLE_Z;
+   src.SwizzleW = TGSI_SWIZZLE_W;
+   src.Indirect = 0;
+   src.IndirectFile = TGSI_FILE_NULL;
+   src.IndirectIndex = 0;
+   src.IndirectSwizzle = 0;
+   src.Absolute = 0;
+   src.Index = index;
+   src.Negate = 0;
+   src.Dimension = 0;
+   src.DimensionIndex = 0;
+   src.DimIndirect = 0;
+   src.DimIndFile = TGSI_FILE_NULL;
+   src.DimIndIndex = 0;
+   src.DimIndSwizzle = 0;
+
+   return src;
+}
+
 static INLINE struct ureg_src
 ureg_src( struct ureg_dst dst )
 {
@@ -834,6 +937,10 @@ ureg_src( struct ureg_dst dst )
    src.Negate    = 0;
    src.Dimension = 0;
    src.DimensionIndex = 0;
+   src.DimIndirect = 0;
+   src.DimIndFile = TGSI_FILE_NULL;
+   src.DimIndIndex = 0;
+   src.DimIndSwizzle = 0;
 
    return src;
 }
@@ -881,7 +988,11 @@ ureg_src_undef( void )
    src.Negate    = 0;
    src.Dimension = 0;
    src.DimensionIndex = 0;
-   
+   src.DimIndirect = 0;
+   src.DimIndFile = TGSI_FILE_NULL;
+   src.DimIndIndex = 0;
+   src.DimIndSwizzle = 0;
+
    return src;
 }