gpu/command_buffer/service/gles2_cmd_validation.h

   1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 // Contains various validation functions for the GLES2 service.
   6
   7 #ifndef GPU_COMMAND_BUFFER_SERVICE_GLES2_CMD_VALIDATION_H_
   8 #define GPU_COMMAND_BUFFER_SERVICE_GLES2_CMD_VALIDATION_H_
   9
  10 #include <algorithm>
  11 #include <vector>
  12 #define GLES2_GPU_SERVICE 1
  13 #include "gpu/command_buffer/common/gles2_cmd_format.h"
  14
  15 namespace gpu {
  16 namespace gles2 {
  17
  18 // ValueValidator returns true if a value is valid.
  19 template <typename T>
  20 class ValueValidator {
  21  public:
  22   ValueValidator() {}
  23
  24   ValueValidator(const T* valid_values, int num_values) {
  25     AddValues(valid_values, num_values);
  26   }
  27
  28   void AddValue(const T value) {
  29     if (!IsValid(value)) {
  30       valid_values_.push_back(value);
  31     }
  32   }
  33
  34   void AddValues(const T* valid_values, int num_values) {
  35     for (int ii = 0; ii < num_values; ++ii) {
  36       AddValue(valid_values[ii]);
  37     }
  38   }
  39
  40   void RemoveValues(const T* invalid_values, int num_values) {
  41     for (int ii = 0; ii < num_values; ++ii) {
  42       auto iter = std::find(
  43           valid_values_.begin(), valid_values_.end(), invalid_values[ii]);
  44       if (iter != valid_values_.end()) {
  45         valid_values_.erase(iter);
  46         DCHECK(!IsValid(invalid_values[ii]));
  47       }
  48     }
  49   }
  50
  51   bool IsValid(const T value) const {
  52     return std::find(valid_values_.begin(), valid_values_.end(), value) !=
  53            valid_values_.end();
  54   }
  55
  56   const std::vector<T>& GetValues() const {
  57     return valid_values_;
  58   }
  59
  60  private:
  61   std::vector<T> valid_values_;
  62 };
  63
  64 struct Validators {
  65   Validators();
  66
  67   void UpdateValuesES3();
  68
  69 #include "gpu/command_buffer/service/gles2_cmd_validation_autogen.h"
  70 };
  71
  72 }  // namespace gles2
  73 }  // namespace gpu
  74
  75 #endif  // GPU_COMMAND_BUFFER_SERVICE_GLES2_CMD_VALIDATION_H_
  76