glsl/types: Fix function type comparison function
[mesa.git] / src / compiler / glsl_types.cpp
index 901baa313b9cf712a7ef9ddb45988c0b383992fd..fa271350f5bb43eb6a7d8a01024bc97970c5f854 100644 (file)
@@ -55,6 +55,13 @@ glsl_type::glsl_type(GLenum gl_type,
    vector_elements(vector_elements), matrix_columns(matrix_columns),
    length(0)
 {
+   /* Values of these types must fit in the two bits of
+    * glsl_type::sampled_type.
+    */
+   STATIC_ASSERT((unsigned(GLSL_TYPE_UINT)  & 3) == unsigned(GLSL_TYPE_UINT));
+   STATIC_ASSERT((unsigned(GLSL_TYPE_INT)   & 3) == unsigned(GLSL_TYPE_INT));
+   STATIC_ASSERT((unsigned(GLSL_TYPE_FLOAT) & 3) == unsigned(GLSL_TYPE_FLOAT));
+
    mtx_lock(&glsl_type::mutex);
 
    init_ralloc_type_ctx();
@@ -120,6 +127,7 @@ glsl_type::glsl_type(const glsl_struct_field *fields, unsigned num_fields,
       this->fields.structure[i].name = ralloc_strdup(this->fields.structure,
                                                      fields[i].name);
       this->fields.structure[i].location = fields[i].location;
+      this->fields.structure[i].offset = fields[i].offset;
       this->fields.structure[i].interpolation = fields[i].interpolation;
       this->fields.structure[i].centroid = fields[i].centroid;
       this->fields.structure[i].sample = fields[i].sample;
@@ -131,6 +139,10 @@ glsl_type::glsl_type(const glsl_struct_field *fields, unsigned num_fields,
       this->fields.structure[i].image_volatile = fields[i].image_volatile;
       this->fields.structure[i].image_restrict = fields[i].image_restrict;
       this->fields.structure[i].precision = fields[i].precision;
+      this->fields.structure[i].explicit_xfb_buffer =
+         fields[i].explicit_xfb_buffer;
+      this->fields.structure[i].xfb_buffer = fields[i].xfb_buffer;
+      this->fields.structure[i].xfb_stride = fields[i].xfb_stride;
    }
 
    mtx_unlock(&glsl_type::mutex);
@@ -159,6 +171,7 @@ glsl_type::glsl_type(const glsl_struct_field *fields, unsigned num_fields,
       this->fields.structure[i].name = ralloc_strdup(this->fields.structure,
                                                      fields[i].name);
       this->fields.structure[i].location = fields[i].location;
+      this->fields.structure[i].offset = fields[i].offset;
       this->fields.structure[i].interpolation = fields[i].interpolation;
       this->fields.structure[i].centroid = fields[i].centroid;
       this->fields.structure[i].sample = fields[i].sample;
@@ -170,6 +183,10 @@ glsl_type::glsl_type(const glsl_struct_field *fields, unsigned num_fields,
       this->fields.structure[i].image_volatile = fields[i].image_volatile;
       this->fields.structure[i].image_restrict = fields[i].image_restrict;
       this->fields.structure[i].precision = fields[i].precision;
+      this->fields.structure[i].explicit_xfb_buffer =
+         fields[i].explicit_xfb_buffer;
+      this->fields.structure[i].xfb_buffer = fields[i].xfb_buffer;
+      this->fields.structure[i].xfb_stride = fields[i].xfb_stride;
    }
 
    mtx_unlock(&glsl_type::mutex);
@@ -719,6 +736,93 @@ glsl_type::get_sampler_instance(enum glsl_sampler_dim dim,
    unreachable("switch statement above should be complete");
 }
 
+const glsl_type *
+glsl_type::get_image_instance(enum glsl_sampler_dim dim,
+                              bool array, glsl_base_type type)
+{
+   switch (type) {
+   case GLSL_TYPE_FLOAT:
+      switch (dim) {
+      case GLSL_SAMPLER_DIM_1D:
+         return (array ? image1DArray_type : image1D_type);
+      case GLSL_SAMPLER_DIM_2D:
+         return (array ? image2DArray_type : image2D_type);
+      case GLSL_SAMPLER_DIM_3D:
+         return image3D_type;
+      case GLSL_SAMPLER_DIM_CUBE:
+         return (array ? imageCubeArray_type : imageCube_type);
+      case GLSL_SAMPLER_DIM_RECT:
+         if (array)
+            return error_type;
+         else
+            return image2DRect_type;
+      case GLSL_SAMPLER_DIM_BUF:
+         if (array)
+            return error_type;
+         else
+            return imageBuffer_type;
+      case GLSL_SAMPLER_DIM_MS:
+         return (array ? image2DMSArray_type : image2DMS_type);
+      case GLSL_SAMPLER_DIM_EXTERNAL:
+         return error_type;
+      }
+   case GLSL_TYPE_INT:
+      switch (dim) {
+      case GLSL_SAMPLER_DIM_1D:
+         return (array ? iimage1DArray_type : iimage1D_type);
+      case GLSL_SAMPLER_DIM_2D:
+         return (array ? iimage2DArray_type : iimage2D_type);
+      case GLSL_SAMPLER_DIM_3D:
+         if (array)
+            return error_type;
+         return iimage3D_type;
+      case GLSL_SAMPLER_DIM_CUBE:
+         return (array ? iimageCubeArray_type : iimageCube_type);
+      case GLSL_SAMPLER_DIM_RECT:
+         if (array)
+            return error_type;
+         return iimage2DRect_type;
+      case GLSL_SAMPLER_DIM_BUF:
+         if (array)
+            return error_type;
+         return iimageBuffer_type;
+      case GLSL_SAMPLER_DIM_MS:
+         return (array ? iimage2DMSArray_type : iimage2DMS_type);
+      case GLSL_SAMPLER_DIM_EXTERNAL:
+         return error_type;
+      }
+   case GLSL_TYPE_UINT:
+      switch (dim) {
+      case GLSL_SAMPLER_DIM_1D:
+         return (array ? uimage1DArray_type : uimage1D_type);
+      case GLSL_SAMPLER_DIM_2D:
+         return (array ? uimage2DArray_type : uimage2D_type);
+      case GLSL_SAMPLER_DIM_3D:
+         if (array)
+            return error_type;
+         return uimage3D_type;
+      case GLSL_SAMPLER_DIM_CUBE:
+         return (array ? uimageCubeArray_type : uimageCube_type);
+      case GLSL_SAMPLER_DIM_RECT:
+         if (array)
+            return error_type;
+         return uimage2DRect_type;
+      case GLSL_SAMPLER_DIM_BUF:
+         if (array)
+            return error_type;
+         return uimageBuffer_type;
+      case GLSL_SAMPLER_DIM_MS:
+         return (array ? uimage2DMSArray_type : uimage2DMS_type);
+      case GLSL_SAMPLER_DIM_EXTERNAL:
+         return error_type;
+      }
+   default:
+      return error_type;
+   }
+
+   unreachable("switch statement above should be complete");
+}
+
 const glsl_type *
 glsl_type::get_array_instance(const glsl_type *base, unsigned array_size)
 {
@@ -759,7 +863,7 @@ glsl_type::get_array_instance(const glsl_type *base, unsigned array_size)
 
 
 bool
-glsl_type::record_compare(const glsl_type *b) const
+glsl_type::record_compare(const glsl_type *b, bool match_locations) const
 {
    if (this->length != b->length)
       return false;
@@ -790,9 +894,12 @@ glsl_type::record_compare(const glsl_type *b) const
       if (this->fields.structure[i].matrix_layout
          != b->fields.structure[i].matrix_layout)
         return false;
-      if (this->fields.structure[i].location
+      if (match_locations && this->fields.structure[i].location
           != b->fields.structure[i].location)
          return false;
+      if (this->fields.structure[i].offset
+          != b->fields.structure[i].offset)
+         return false;
       if (this->fields.structure[i].interpolation
           != b->fields.structure[i].interpolation)
          return false;
@@ -823,6 +930,15 @@ glsl_type::record_compare(const glsl_type *b) const
       if (this->fields.structure[i].precision
           != b->fields.structure[i].precision)
          return false;
+      if (this->fields.structure[i].explicit_xfb_buffer
+          != b->fields.structure[i].explicit_xfb_buffer)
+         return false;
+      if (this->fields.structure[i].xfb_buffer
+          != b->fields.structure[i].xfb_buffer)
+         return false;
+      if (this->fields.structure[i].xfb_stride
+          != b->fields.structure[i].xfb_stride)
+         return false;
    }
 
    return true;
@@ -970,7 +1086,7 @@ function_key_compare(const void *a, const void *b)
    const glsl_type *const key2 = (glsl_type *) b;
 
    if (key1->length != key2->length)
-      return 1;
+      return false;
 
    return memcmp(key1->fields.parameters, key2->fields.parameters,
                  (key1->length + 1) * sizeof(*key1->fields.parameters)) == 0;
@@ -1241,6 +1357,38 @@ glsl_type::uniform_locations() const
    }
 }
 
+unsigned
+glsl_type::varying_count() const
+{
+   unsigned size = 0;
+
+   switch (this->base_type) {
+   case GLSL_TYPE_UINT:
+   case GLSL_TYPE_INT:
+   case GLSL_TYPE_FLOAT:
+   case GLSL_TYPE_DOUBLE:
+   case GLSL_TYPE_BOOL:
+      return 1;
+
+   case GLSL_TYPE_STRUCT:
+   case GLSL_TYPE_INTERFACE:
+      for (unsigned i = 0; i < this->length; i++)
+         size += this->fields.structure[i].type->varying_count();
+      return size;
+   case GLSL_TYPE_ARRAY:
+      /* Don't count innermost array elements */
+      if (this->without_array()->is_record() ||
+          this->without_array()->is_interface() ||
+          this->fields.array->is_array())
+         return this->length * this->fields.array->varying_count();
+      else
+         return this->fields.array->varying_count();
+   default:
+      assert(!"unsupported varying type");
+      return 0;
+   }
+}
+
 bool
 glsl_type::can_implicitly_convert_to(const glsl_type *desired,
                                      _mesa_glsl_parse_state *state) const
@@ -1293,7 +1441,7 @@ glsl_type::can_implicitly_convert_to(const glsl_type *desired,
 unsigned
 glsl_type::std140_base_alignment(bool row_major) const
 {
-   unsigned N = is_double() ? 8 : 4;
+   unsigned N = is_64bit() ? 8 : 4;
 
    /* (1) If the member is a scalar consuming <N> basic machine units, the
     *     base alignment is <N>.
@@ -1411,7 +1559,7 @@ glsl_type::std140_base_alignment(bool row_major) const
 unsigned
 glsl_type::std140_size(bool row_major) const
 {
-   unsigned N = is_double() ? 8 : 4;
+   unsigned N = is_64bit() ? 8 : 4;
 
    /* (1) If the member is a scalar consuming <N> basic machine units, the
     *     base alignment is <N>.
@@ -1548,7 +1696,7 @@ unsigned
 glsl_type::std430_base_alignment(bool row_major) const
 {
 
-   unsigned N = is_double() ? 8 : 4;
+   unsigned N = is_64bit() ? 8 : 4;
 
    /* (1) If the member is a scalar consuming <N> basic machine units, the
     *     base alignment is <N>.
@@ -1657,7 +1805,7 @@ glsl_type::std430_base_alignment(bool row_major) const
 unsigned
 glsl_type::std430_array_stride(bool row_major) const
 {
-   unsigned N = is_double() ? 8 : 4;
+   unsigned N = is_64bit() ? 8 : 4;
 
    /* Notice that the array stride of a vec3 is not 3 * N but 4 * N.
     * See OpenGL 4.30 spec, section 7.6.2.2 "Standard Uniform Block Layout"
@@ -1675,7 +1823,7 @@ glsl_type::std430_array_stride(bool row_major) const
 unsigned
 glsl_type::std430_size(bool row_major) const
 {
-   unsigned N = is_double() ? 8 : 4;
+   unsigned N = is_64bit() ? 8 : 4;
 
    /* OpenGL 4.30 spec, section 7.6.2.2 "Standard Uniform Block Layout":
     *
@@ -1756,7 +1904,7 @@ glsl_type::std430_size(bool row_major) const
 }
 
 unsigned
-glsl_type::count_attribute_slots(bool vertex_input_slots) const
+glsl_type::count_attribute_slots(bool is_vertex_input) const
 {
    /* From page 31 (page 37 of the PDF) of the GLSL 1.50 spec:
     *
@@ -1790,7 +1938,7 @@ glsl_type::count_attribute_slots(bool vertex_input_slots) const
    case GLSL_TYPE_BOOL:
       return this->matrix_columns;
    case GLSL_TYPE_DOUBLE:
-      if (this->vector_elements > 2 && !vertex_input_slots)
+      if (this->vector_elements > 2 && !is_vertex_input)
          return this->matrix_columns * 2;
       else
          return this->matrix_columns;
@@ -1799,13 +1947,13 @@ glsl_type::count_attribute_slots(bool vertex_input_slots) const
       unsigned size = 0;
 
       for (unsigned i = 0; i < this->length; i++)
-         size += this->fields.structure[i].type->count_attribute_slots(vertex_input_slots);
+         size += this->fields.structure[i].type->count_attribute_slots(is_vertex_input);
 
       return size;
    }
 
    case GLSL_TYPE_ARRAY:
-      return this->length * this->fields.array->count_attribute_slots(vertex_input_slots);
+      return this->length * this->fields.array->count_attribute_slots(is_vertex_input);
 
    case GLSL_TYPE_FUNCTION:
    case GLSL_TYPE_SAMPLER: