source/backends/vulkan/pixelformat_backend.cpp

   1 #include "pixelformat.h"
   2 #include "pixelformat_backend.h"
   3 #include "vulkan.h"
   4
   5 using namespace std;
   6
   7 namespace {
   8
   9 static unsigned swizzle_orders[] =
  10 {
  11         VK_COMPONENT_SWIZZLE_R, VK_COMPONENT_SWIZZLE_G, VK_COMPONENT_SWIZZLE_B, VK_COMPONENT_SWIZZLE_A,
  12         VK_COMPONENT_SWIZZLE_R, VK_COMPONENT_SWIZZLE_R, VK_COMPONENT_SWIZZLE_R, VK_COMPONENT_SWIZZLE_ONE,
  13         VK_COMPONENT_SWIZZLE_R, VK_COMPONENT_SWIZZLE_R, VK_COMPONENT_SWIZZLE_R, VK_COMPONENT_SWIZZLE_G,
  14         VK_COMPONENT_SWIZZLE_B, VK_COMPONENT_SWIZZLE_G, VK_COMPONENT_SWIZZLE_R, VK_COMPONENT_SWIZZLE_A,
  15         VK_COMPONENT_SWIZZLE_R, VK_COMPONENT_SWIZZLE_G, VK_COMPONENT_SWIZZLE_B, VK_COMPONENT_SWIZZLE_ONE
  16 };
  17
  18 }
  19
  20 namespace Msp {
  21 namespace GL {
  22
  23 ComponentSwizzle get_required_swizzle(PixelComponents comp)
  24 {
  25         switch(comp)
  26         {
  27         case RGB: return RGBA_TO_RGB;
  28         case LUMINANCE: return R_TO_LUMINANCE;
  29         case LUMINANCE_ALPHA: return RG_TO_LUMINANCE_ALPHA;
  30         default: return NO_SWIZZLE;
  31         }
  32 }
  33
  34 void require_pixelformat(PixelFormat)
  35 { }
  36
  37 unsigned get_vulkan_pixelformat(PixelFormat pf)
  38 {
  39         switch(pf)
  40         {
  41         case R8: return VK_FORMAT_R8_UNORM;
  42         case R16F: return VK_FORMAT_R16_SFLOAT;
  43         case R32F: return VK_FORMAT_R32_SFLOAT;
  44         case RG8: return VK_FORMAT_R8G8_UNORM;
  45         case RG16F: return VK_FORMAT_R16G16_SFLOAT;
  46         case RG32F: return VK_FORMAT_R32G32_SFLOAT;
  47         case RGB8: return VK_FORMAT_R8G8B8_UNORM;
  48         case RGB16F: return VK_FORMAT_R16G16B16_SFLOAT;
  49         case RGB32F: return VK_FORMAT_R32G32B32_SFLOAT;
  50         case RGBA8: return VK_FORMAT_R8G8B8A8_UNORM;
  51         case RGBA16F: return VK_FORMAT_R16G16B16A16_SFLOAT;
  52         case RGBA32F: return VK_FORMAT_R32G32B32A32_SFLOAT;
  53         case SRGB8: return VK_FORMAT_R8G8B8_SRGB;
  54         case SRGB8_ALPHA8: return VK_FORMAT_R8G8B8A8_SRGB;
  55         case BGR8: return VK_FORMAT_B8G8R8_UNORM;
  56         case BGRA8: return VK_FORMAT_B8G8R8A8_UNORM;
  57         case SBGR8: return VK_FORMAT_B8G8R8_SRGB;
  58         case SBGR8_ALPHA8: return VK_FORMAT_B8G8R8A8_SRGB;
  59         case DEPTH_COMPONENT16: return VK_FORMAT_D16_UNORM;
  60         case DEPTH_COMPONENT24: return VK_FORMAT_X8_D24_UNORM_PACK32;
  61         case DEPTH_COMPONENT32F: return VK_FORMAT_D32_SFLOAT;
  62         case STENCIL_INDEX8: return VK_FORMAT_S8_UINT;
  63         default: throw invalid_argument("get_vulkan_pixelformat");
  64         }
  65 }
  66
  67 unsigned get_vulkan_aspect(PixelComponents comp)
  68 {
  69         switch(comp)
  70         {
  71         case DEPTH_COMPONENT: return VK_IMAGE_ASPECT_DEPTH_BIT;
  72         case STENCIL_INDEX: return VK_IMAGE_ASPECT_STENCIL_BIT;
  73         default: return VK_IMAGE_ASPECT_COLOR_BIT;
  74         }
  75 }
  76
  77 unsigned get_vulkan_attachment_layout(PixelComponents comp)
  78 {
  79         switch(comp)
  80         {
  81         case DEPTH_COMPONENT:
  82         case STENCIL_INDEX: return VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL;
  83         default: return VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;
  84         }
  85 }
  86
  87 PixelFormat pixelformat_from_vulkan(unsigned vkf)
  88 {
  89         switch(vkf)
  90         {
  91         case VK_FORMAT_R8_UNORM: return R8;
  92         case VK_FORMAT_R16_SFLOAT: return R16F;
  93         case VK_FORMAT_R32_SFLOAT: return R32F;
  94         case VK_FORMAT_R8G8_UNORM: return RG8;
  95         case VK_FORMAT_R16G16_SFLOAT: return RG16F;
  96         case VK_FORMAT_R32G32_SFLOAT: return RG32F;
  97         case VK_FORMAT_R8G8B8_UNORM: return RGB8;
  98         case VK_FORMAT_R16G16B16_SFLOAT: return RGB16F;
  99         case VK_FORMAT_R32G32B32_SFLOAT: return RGB32F;
 100         case VK_FORMAT_R8G8B8A8_UNORM: return RGBA8;
 101         case VK_FORMAT_R16G16B16A16_SFLOAT: return RGBA16F;
 102         case VK_FORMAT_R32G32B32A32_SFLOAT: return RGBA32F;
 103         case VK_FORMAT_R8G8B8_SRGB: return SRGB8;
 104         case VK_FORMAT_R8G8B8A8_SRGB: return SRGB8_ALPHA8;
 105         case VK_FORMAT_B8G8R8_UNORM: return BGR8;
 106         case VK_FORMAT_B8G8R8A8_UNORM: return BGRA8;
 107         case VK_FORMAT_B8G8R8_SRGB: return SBGR8;
 108         case VK_FORMAT_B8G8R8A8_SRGB: return SBGR8_ALPHA8;
 109         case VK_FORMAT_D16_UNORM: return DEPTH_COMPONENT16;
 110         case VK_FORMAT_X8_D24_UNORM_PACK32: return DEPTH_COMPONENT24;
 111         case VK_FORMAT_D32_SFLOAT: return DEPTH_COMPONENT32F;
 112         case VK_FORMAT_S8_UINT: return STENCIL_INDEX8;
 113         default: throw invalid_argument("pixelformat_from_vulkan");
 114         }
 115 }
 116
 117 const unsigned *get_vulkan_swizzle(ComponentSwizzle swiz)
 118 {
 119         return swizzle_orders+4*swiz;
 120 }
 121
 122 } // namespace GL
 123 } // namespace Msp