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39 
40 #include "qvkconvenience_p.h"
41 
42 #include <QOpenGLTexture>
43 
44 QT_BEGIN_NAMESPACE
45 
46 /*!
47     \class QVkConvenience
48     \brief A collection of static helper functions for Vulkan support
49     \since 5.14
50     \internal
51     \ingroup qpa
52  */
53 
54 #if QT_CONFIG(opengl)
vkFormatFromGlFormat(uint glFormat)55 VkFormat QVkConvenience::vkFormatFromGlFormat(uint glFormat)
56 {
57     using GlFormat = QOpenGLTexture::TextureFormat;
58     switch (glFormat) {
59     case GlFormat::NoFormat: return VK_FORMAT_UNDEFINED; // GL_NONE
60 
61     // Unsigned normalized formats
62     case GlFormat::R8_UNorm: return VK_FORMAT_R8_UNORM; // GL_R8
63     case GlFormat::RG8_UNorm: return VK_FORMAT_R8G8_UNORM; // GL_RG8
64     case GlFormat::RGB8_UNorm: return VK_FORMAT_R8G8B8_UNORM; // GL_RGB8
65     case GlFormat::RGBA8_UNorm: return VK_FORMAT_R8G8B8A8_UNORM; // GL_RGBA8
66 
67     case GlFormat::R16_UNorm: return VK_FORMAT_R16_UNORM; // GL_R16
68     case GlFormat::RG16_UNorm: return VK_FORMAT_R16G16_UNORM; // GL_RG16
69     case GlFormat::RGB16_UNorm: return VK_FORMAT_R16G16B16_UNORM; // GL_RGB16
70     case GlFormat::RGBA16_UNorm: return VK_FORMAT_R16G16B16A16_UNORM; // GL_RGBA16
71 
72     // Signed normalized formats
73     case GlFormat::R8_SNorm: return VK_FORMAT_R8_SNORM; // GL_R8_SNORM
74     case GlFormat::RG8_SNorm: return VK_FORMAT_R8G8_SNORM; // GL_RG8_SNORM
75     case GlFormat::RGB8_SNorm: return VK_FORMAT_R8G8B8_SNORM; // GL_RGB8_SNORM
76     case GlFormat::RGBA8_SNorm: return VK_FORMAT_R8G8B8A8_SNORM; // GL_RGBA8_SNORM
77 
78     case GlFormat::R16_SNorm: return VK_FORMAT_R16_SNORM; // GL_R16_SNORM
79     case GlFormat::RG16_SNorm: return VK_FORMAT_R16G16_SNORM; // GL_RG16_SNORM
80     case GlFormat::RGB16_SNorm: return VK_FORMAT_R16G16B16_SNORM; // GL_RGB16_SNORM
81     case GlFormat::RGBA16_SNorm: return VK_FORMAT_R16G16B16A16_SNORM; // GL_RGBA16_SNORM
82 
83     // Unsigned integer formats
84     case GlFormat::R8U: return VK_FORMAT_R8_UINT; // GL_R8UI
85     case GlFormat::RG8U: return VK_FORMAT_R8G8_UINT; // GL_RG8UI
86     case GlFormat::RGB8U: return VK_FORMAT_R8G8B8_UINT; // GL_RGB8UI
87     case GlFormat::RGBA8U: return VK_FORMAT_R8G8B8A8_UINT; // GL_RGBA8UI
88 
89     case GlFormat::R16U: return VK_FORMAT_R16_UINT; // GL_R16UI
90     case GlFormat::RG16U: return VK_FORMAT_R16G16_UINT; // GL_RG16UI
91     case GlFormat::RGB16U: return VK_FORMAT_R16G16B16_UINT; // GL_RGB16UI
92     case GlFormat::RGBA16U: return VK_FORMAT_R16G16B16A16_UINT; // GL_RGBA16UI
93 
94     case GlFormat::R32U: return VK_FORMAT_R32_UINT; // GL_R32UI
95     case GlFormat::RG32U: return VK_FORMAT_R32G32_UINT; // GL_RG32UI
96     case GlFormat::RGB32U: return VK_FORMAT_R32G32B32_UINT; // GL_RGB32UI
97     case GlFormat::RGBA32U: return VK_FORMAT_R32G32B32A32_UINT; // GL_RGBA32UI
98 
99     // Signed integer formats
100     case GlFormat::R8I: return VK_FORMAT_R8_SINT; // GL_R8I
101     case GlFormat::RG8I: return VK_FORMAT_R8G8_SINT; // GL_RG8I
102     case GlFormat::RGB8I: return VK_FORMAT_R8G8B8_SINT; // GL_RGB8I
103     case GlFormat::RGBA8I: return VK_FORMAT_R8G8B8A8_SINT; // GL_RGBA8I
104 
105     case GlFormat::R16I: return VK_FORMAT_R16_SINT; // GL_R16I
106     case GlFormat::RG16I: return VK_FORMAT_R16G16_SINT; // GL_RG16I
107     case GlFormat::RGB16I: return VK_FORMAT_R16G16B16_SINT; // GL_RGB16I
108     case GlFormat::RGBA16I: return VK_FORMAT_R16G16B16A16_SINT; // GL_RGBA16I
109 
110     case GlFormat::R32I: return VK_FORMAT_R32_SINT; // GL_R32I
111     case GlFormat::RG32I: return VK_FORMAT_R32G32_SINT; // GL_RG32I
112     case GlFormat::RGB32I: return VK_FORMAT_R32G32B32_SINT; // GL_RGB32I
113     case GlFormat::RGBA32I: return VK_FORMAT_R32G32B32A32_SINT; // GL_RGBA32I
114 
115     // Floating point formats
116     case GlFormat::R16F: return VK_FORMAT_R16_SFLOAT; // GL_R16F
117     case GlFormat::RG16F: return VK_FORMAT_R16G16_SFLOAT; // GL_RG16F
118     case GlFormat::RGB16F: return VK_FORMAT_R16G16B16_SFLOAT; // GL_RGB16F
119     case GlFormat::RGBA16F: return VK_FORMAT_R16G16B16A16_SFLOAT; // GL_RGBA16F
120 
121     case GlFormat::R32F: return VK_FORMAT_R32_SFLOAT; // GL_R32F
122     case GlFormat::RG32F: return VK_FORMAT_R32G32_SFLOAT; // GL_RG32F
123     case GlFormat::RGB32F: return VK_FORMAT_R32G32B32_SFLOAT; // GL_RGB32F
124     case GlFormat::RGBA32F: return VK_FORMAT_R32G32B32A32_SFLOAT; // GL_RGBA32F
125 
126     // Packed formats
127     case GlFormat::RGB9E5: return VK_FORMAT_E5B9G9R9_UFLOAT_PACK32; // GL_RGB9_E5
128     case GlFormat::RG11B10F: return VK_FORMAT_B10G11R11_UFLOAT_PACK32; // GL_R11F_G11F_B10F
129 //    case GlFormat::RG3B2: return VK_FORMAT_R3_G3_B2; // GL_R3_G3_B2
130     case GlFormat::R5G6B5: return VK_FORMAT_R5G6B5_UNORM_PACK16; // GL_RGB565
131     case GlFormat::RGB5A1: return VK_FORMAT_R5G5B5A1_UNORM_PACK16; // GL_RGB5_A1
132     case GlFormat::RGBA4: return VK_FORMAT_R4G4B4A4_UNORM_PACK16; // GL_RGBA4
133     case GlFormat::RGB10A2: return VK_FORMAT_A2R10G10B10_UINT_PACK32; // GL_RGB10_A2UI
134 
135     // Depth formats
136 //    case Format::D16: return VK_FORMAT_DEPTH_COMPONENT16; // GL_DEPTH_COMPONENT16
137 //    case Format::D24: return VK_FORMAT_DEPTH_COMPONENT24; // GL_DEPTH_COMPONENT24
138 //    case Format::D24S8: return VK_FORMAT_DEPTH24_STENCIL8; // GL_DEPTH24_STENCIL8
139 //    case Format::D32: return VK_FORMAT_DEPTH_COMPONENT32; // GL_DEPTH_COMPONENT32
140 //    case Format::D32F: return VK_FORMAT_DEPTH_COMPONENT32F; // GL_DEPTH_COMPONENT32F
141 //    case Format::D32FS8X24: return VK_FORMAT_DEPTH32F_STENCIL8; // GL_DEPTH32F_STENCIL8
142 //    case Format::S8: return VK_FORMAT_STENCIL_INDEX8; // GL_STENCIL_INDEX8
143 
144     // Compressed formats
145     case GlFormat::RGB_DXT1: return VK_FORMAT_BC1_RGB_UNORM_BLOCK; // GL_COMPRESSED_RGB_S3TC_DXT1_EXT
146     case GlFormat::RGBA_DXT1: return VK_FORMAT_BC1_RGBA_UNORM_BLOCK; // GL_COMPRESSED_RGBA_S3TC_DXT1_EXT
147     case GlFormat::RGBA_DXT3: return VK_FORMAT_BC2_UNORM_BLOCK; // GL_COMPRESSED_RGBA_S3TC_DXT3_EXT
148     case GlFormat::RGBA_DXT5: return VK_FORMAT_BC3_UNORM_BLOCK; // GL_COMPRESSED_RGBA_S3TC_DXT5_EXT
149     case GlFormat::R_ATI1N_UNorm: return VK_FORMAT_BC4_UNORM_BLOCK; // GL_COMPRESSED_RED_RGTC1
150     case GlFormat::R_ATI1N_SNorm: return VK_FORMAT_BC4_SNORM_BLOCK; // GL_COMPRESSED_SIGNED_RED_RGTC1
151     case GlFormat::RG_ATI2N_UNorm: return VK_FORMAT_BC5_UNORM_BLOCK; // GL_COMPRESSED_RG_RGTC2
152     case GlFormat::RG_ATI2N_SNorm: return VK_FORMAT_BC5_SNORM_BLOCK; // GL_COMPRESSED_SIGNED_RG_RGTC2
153     case GlFormat::RGB_BP_UNSIGNED_FLOAT: return VK_FORMAT_BC6H_UFLOAT_BLOCK; // GL_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT_ARB
154     case GlFormat::RGB_BP_SIGNED_FLOAT: return VK_FORMAT_BC6H_SFLOAT_BLOCK; // GL_COMPRESSED_RGB_BPTC_SIGNED_FLOAT_ARB
155     case GlFormat::RGB_BP_UNorm: return VK_FORMAT_BC7_UNORM_BLOCK; // GL_COMPRESSED_RGBA_BPTC_UNORM_ARB
156     case GlFormat::R11_EAC_UNorm: return VK_FORMAT_EAC_R11_UNORM_BLOCK; // GL_COMPRESSED_R11_EAC
157     case GlFormat::R11_EAC_SNorm: return VK_FORMAT_EAC_R11_SNORM_BLOCK; // GL_COMPRESSED_SIGNED_R11_EAC
158     case GlFormat::RG11_EAC_UNorm: return VK_FORMAT_EAC_R11G11_UNORM_BLOCK; // GL_COMPRESSED_RG11_EAC
159     case GlFormat::RG11_EAC_SNorm: return VK_FORMAT_EAC_R11G11_SNORM_BLOCK; // GL_COMPRESSED_SIGNED_RG11_EAC
160     case GlFormat::RGB8_ETC2: return VK_FORMAT_ETC2_R8G8B8_UNORM_BLOCK; // GL_COMPRESSED_RGB8_ETC2
161     case GlFormat::SRGB8_ETC2: return VK_FORMAT_ETC2_R8G8B8_SRGB_BLOCK; // GL_COMPRESSED_SRGB8_ETC2
162     case GlFormat::RGB8_PunchThrough_Alpha1_ETC2: return VK_FORMAT_ETC2_R8G8B8A1_UNORM_BLOCK; // GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2
163     case GlFormat::SRGB8_PunchThrough_Alpha1_ETC2: return VK_FORMAT_ETC2_R8G8B8A1_SRGB_BLOCK; // GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2
164     case GlFormat::RGBA8_ETC2_EAC: return VK_FORMAT_ETC2_R8G8B8A8_UNORM_BLOCK; // GL_COMPRESSED_RGBA8_ETC2_EAC
165     case GlFormat::SRGB8_Alpha8_ETC2_EAC: return VK_FORMAT_ETC2_R8G8B8A8_SRGB_BLOCK; // GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC
166 //    case GlFormat::RGB8_ETC1: return VK_FORMAT_ETC1_RGB8_OES; // GL_ETC1_RGB8_OES
167     case GlFormat::RGBA_ASTC_4x4: return VK_FORMAT_ASTC_4x4_UNORM_BLOCK; // GL_COMPRESSED_RGBA_ASTC_4x4_KHR
168     case GlFormat::RGBA_ASTC_5x4: return VK_FORMAT_ASTC_5x4_UNORM_BLOCK; // GL_COMPRESSED_RGBA_ASTC_5x4_KHR
169     case GlFormat::RGBA_ASTC_5x5: return VK_FORMAT_ASTC_5x5_UNORM_BLOCK; // GL_COMPRESSED_RGBA_ASTC_5x5_KHR
170     case GlFormat::RGBA_ASTC_6x5: return VK_FORMAT_ASTC_6x5_UNORM_BLOCK; // GL_COMPRESSED_RGBA_ASTC_6x5_KHR
171     case GlFormat::RGBA_ASTC_6x6: return VK_FORMAT_ASTC_6x6_UNORM_BLOCK; // GL_COMPRESSED_RGBA_ASTC_6x6_KHR
172     case GlFormat::RGBA_ASTC_8x5: return VK_FORMAT_ASTC_8x5_UNORM_BLOCK; // GL_COMPRESSED_RGBA_ASTC_8x5_KHR
173     case GlFormat::RGBA_ASTC_8x6: return VK_FORMAT_ASTC_8x6_UNORM_BLOCK; // GL_COMPRESSED_RGBA_ASTC_8x6_KHR
174     case GlFormat::RGBA_ASTC_8x8: return VK_FORMAT_ASTC_8x8_UNORM_BLOCK; // GL_COMPRESSED_RGBA_ASTC_8x8_KHR
175     case GlFormat::RGBA_ASTC_10x5: return VK_FORMAT_ASTC_10x5_UNORM_BLOCK; // GL_COMPRESSED_RGBA_ASTC_10x5_KHR
176     case GlFormat::RGBA_ASTC_10x6: return VK_FORMAT_ASTC_10x6_UNORM_BLOCK; // GL_COMPRESSED_RGBA_ASTC_10x6_KHR
177     case GlFormat::RGBA_ASTC_10x8: return VK_FORMAT_ASTC_10x8_UNORM_BLOCK; // GL_COMPRESSED_RGBA_ASTC_10x8_KHR
178     case GlFormat::RGBA_ASTC_10x10: return VK_FORMAT_ASTC_10x10_UNORM_BLOCK; // GL_COMPRESSED_RGBA_ASTC_10x10_KHR
179     case GlFormat::RGBA_ASTC_12x10: return VK_FORMAT_ASTC_12x10_UNORM_BLOCK; // GL_COMPRESSED_RGBA_ASTC_12x10_KHR
180     case GlFormat::RGBA_ASTC_12x12: return VK_FORMAT_ASTC_12x12_UNORM_BLOCK; // GL_COMPRESSED_RGBA_ASTC_12x12_KHR
181     case GlFormat::SRGB8_Alpha8_ASTC_4x4: return VK_FORMAT_ASTC_4x4_SRGB_BLOCK; // GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR
182     case GlFormat::SRGB8_Alpha8_ASTC_5x4: return VK_FORMAT_ASTC_5x4_SRGB_BLOCK; // GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR
183     case GlFormat::SRGB8_Alpha8_ASTC_5x5: return VK_FORMAT_ASTC_5x5_SRGB_BLOCK; // GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR
184     case GlFormat::SRGB8_Alpha8_ASTC_6x5: return VK_FORMAT_ASTC_6x5_SRGB_BLOCK; // GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR
185     case GlFormat::SRGB8_Alpha8_ASTC_6x6: return VK_FORMAT_ASTC_6x6_SRGB_BLOCK; // GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR
186     case GlFormat::SRGB8_Alpha8_ASTC_8x5: return VK_FORMAT_ASTC_8x5_SRGB_BLOCK; // GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR
187     case GlFormat::SRGB8_Alpha8_ASTC_8x6: return VK_FORMAT_ASTC_8x6_SRGB_BLOCK; // GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR
188     case GlFormat::SRGB8_Alpha8_ASTC_8x8: return VK_FORMAT_ASTC_8x8_SRGB_BLOCK; // GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR
189     case GlFormat::SRGB8_Alpha8_ASTC_10x5: return VK_FORMAT_ASTC_10x5_SRGB_BLOCK; // GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR
190     case GlFormat::SRGB8_Alpha8_ASTC_10x6: return VK_FORMAT_ASTC_10x6_SRGB_BLOCK; // GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR
191     case GlFormat::SRGB8_Alpha8_ASTC_10x8: return VK_FORMAT_ASTC_10x8_SRGB_BLOCK; // GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR
192     case GlFormat::SRGB8_Alpha8_ASTC_10x10: return VK_FORMAT_ASTC_10x10_SRGB_BLOCK; // GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR
193     case GlFormat::SRGB8_Alpha8_ASTC_12x10: return VK_FORMAT_ASTC_12x10_SRGB_BLOCK; // GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR
194     case GlFormat::SRGB8_Alpha8_ASTC_12x12: return VK_FORMAT_ASTC_12x12_SRGB_BLOCK; // GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR
195 
196     // sRGB formats
197     case GlFormat::SRGB8: return VK_FORMAT_R8G8B8_SRGB; // GL_SRGB8
198     case GlFormat::SRGB8_Alpha8: return VK_FORMAT_R8G8B8A8_SRGB; // GL_SRGB8_ALPHA8
199     case GlFormat::SRGB_DXT1: return VK_FORMAT_BC1_RGB_SRGB_BLOCK; // GL_COMPRESSED_SRGB_S3TC_DXT1_EXT
200     case GlFormat::SRGB_Alpha_DXT1: return VK_FORMAT_BC1_RGBA_SRGB_BLOCK; // GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT
201     case GlFormat::SRGB_Alpha_DXT3: return VK_FORMAT_BC2_SRGB_BLOCK; // GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT
202     case GlFormat::SRGB_Alpha_DXT5: return VK_FORMAT_BC3_SRGB_BLOCK; // GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT
203     case GlFormat::SRGB_BP_UNorm: return VK_FORMAT_BC7_SRGB_BLOCK; // GL_COMPRESSED_SRGB_ALPHA_BPTC_UNORM_ARB
204 
205     // ES 2 formats
206 //    case GlFormat::DepthFormat: return VK_FORMAT_DEPTH_COMPONENT; // GL_DEPTH_COMPONENT
207 //    case GlFormat::AlphaFormat: return VK_FORMAT_ALPHA; // GL_ALPHA
208 //    case GlFormat::RGBFormat: return VK_FORMAT_RGB; // GL_RGB
209 //    case GlFormat::RGBAFormat: return VK_FORMAT_RGBA; // GL_RGBA
210 //    case GlFormat::LuminanceFormat: return VK_FORMAT_LUMINANCE; // GL_LUMINANCE
211 //    case GlFormat::LuminanceAlphaFormat: return VK_FORMAT;
212     default: return VK_FORMAT_UNDEFINED;
213     }
214 }
215 #endif
216 
217 QT_END_NAMESPACE
218