external/vulkancts/modules/vulkan/pipeline/vktPipelineVertexUtil.hpp

   1 #ifndef _VKTPIPELINEVERTEXUTIL_HPP
   2 #define _VKTPIPELINEVERTEXUTIL_HPP
   3 /*------------------------------------------------------------------------
   4  * Vulkan Conformance Tests
   5  * ------------------------
   6  *
   7  * Copyright (c) 2015 The Khronos Group Inc.
   8  * Copyright (c) 2015 Imagination Technologies Ltd.
   9  *
  10  * Licensed under the Apache License, Version 2.0 (the "License");
  11  * you may not use this file except in compliance with the License.
  12  * You may obtain a copy of the License at
  13  *
  14  *      http://www.apache.org/licenses/LICENSE-2.0
  15  *
  16  * Unless required by applicable law or agreed to in writing, software
  17  * distributed under the License is distributed on an "AS IS" BASIS,
  18  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  19  * See the License for the specific language governing permissions and
  20  * limitations under the License.
  21  *
  22  *//*!
  23  * \file
  24  * \brief Utilities for vertex buffers.
  25  *//*--------------------------------------------------------------------*/
  26
  27 #include "vkDefs.hpp"
  28 #include "tcuDefs.hpp"
  29 #include "tcuVectorUtil.hpp"
  30
  31 #include <vector>
  32
  33 namespace vkt
  34 {
  35 namespace pipeline
  36 {
  37
  38 struct Vertex4RGBA
  39 {
  40         tcu::Vec4 position;
  41         tcu::Vec4 color;
  42 };
  43
  44 struct Vertex4Tex4
  45 {
  46         tcu::Vec4 position;
  47         tcu::Vec4 texCoord;
  48 };
  49
  50 deUint32                                        getVertexFormatSize                             (vk::VkFormat format);
  51 deUint32                                        getVertexFormatComponentCount   (vk::VkFormat format);
  52 deUint32                                        getVertexFormatComponentSize    (vk::VkFormat format);
  53 bool                                            isVertexFormatComponentOrderBGR (vk::VkFormat format);
  54 bool                                            isVertexFormatSint                              (vk::VkFormat format);
  55 bool                                            isVertexFormatUint                              (vk::VkFormat format);
  56 bool                                            isVertexFormatSfloat                    (vk::VkFormat format);
  57 bool                                            isVertexFormatUfloat                    (vk::VkFormat format);
  58 bool                                            isVertexFormatUnorm                             (vk::VkFormat format);
  59 bool                                            isVertexFormatSnorm                             (vk::VkFormat format);
  60 bool                                            isVertexFormatSRGB                              (vk::VkFormat format);
  61 bool                                            isVertexFormatSscaled                   (vk::VkFormat format);
  62 bool                                            isVertexFormatUscaled                   (vk::VkFormat format);
  63 bool                                            isVertexFormatDouble                    (vk::VkFormat format);
  64
  65 /*! \brief Creates a pattern of 4 overlapping quads.
  66  *
  67  *  The quads are alined along the plane Z = 0, with X,Y taking values between -1 and 1.
  68  *  Each quad covers one of the quadrants of the scene and partially extends to the other 3 quadrants.
  69  *  The triangles of each quad have different winding orders (CW/CCW).
  70  */
  71 std::vector<Vertex4RGBA>        createOverlappingQuads          (void);
  72
  73 std::vector<Vertex4Tex4>        createFullscreenQuad            (void);
  74 std::vector<Vertex4Tex4>        createQuadMosaic                        (int rows, int columns);
  75 std::vector<Vertex4Tex4>        createQuadMosaicCube            (void);
  76 std::vector<Vertex4Tex4>        createQuadMosaicCubeArray       (int faceArrayIndices[6]);
  77
  78 std::vector<Vertex4Tex4>        createTestQuadMosaic            (vk::VkImageViewType viewType);
  79
  80 } // pipeline
  81 } // vkt
  82
  83 #endif // _VKTPIPELINEVERTEXUTIL_HPP