[PATCH 2/9] windowscodecs: Add support for 128bppRGBAFloat format to TIFF decoder.

[Dmitry Timoshkov]

Signed-off-by: Dmitry Timoshkov 
---
 dlls/windowscodecs/regsvr.c     | 18 ++++++++++++++++++
 dlls/windowscodecs/tiffformat.c | 12 ++++++++++--
 2 files changed, 28 insertions(+), 2 deletions(-)

diff --git a/dlls/windowscodecs/regsvr.c b/dlls/windowscodecs/regsvr.c
index c15daf2022..d8147c0e15 100644
--- a/dlls/windowscodecs/regsvr.c
+++ b/dlls/windowscodecs/regsvr.c
@@ -1236,6 +1236,7 @@ static GUID const * const tiff_decode_formats[] = {
     &GUID_WICPixelFormat48bppRGB,
     &GUID_WICPixelFormat64bppRGBA,
     &GUID_WICPixelFormat64bppPRGBA,
+    &GUID_WICPixelFormat128bppRGBAFloat,
     NULL
 };

@@ -1766,6 +1767,11 @@ static BYTE const channel_mask_16bit4[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,

static BYTE const channel_mask_32bit[] = { 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00 };

+static BYTE const channel_mask_128bit1[] = { 0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 };
+static BYTE const channel_mask_128bit2[] = { 0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 };
+static BYTE const channel_mask_128bit3[] = { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00 };
+static BYTE const channel_mask_128bit4[] = { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff };
+
 static BYTE const channel_mask_5bit[] = { 0x1f, 0x00 };
 static BYTE const channel_mask_5bit2[] = { 0xe0, 0x03 };
 static BYTE const channel_mask_5bit3[] = { 0x00, 0x7c };
@@ -1783,6 +1789,7 @@ static BYTE const * const channel_masks_16bit[] = { channel_mask_16bit,
     channel_mask_16bit2, channel_mask_16bit3, channel_mask_16bit4};

static BYTE const * const channel_masks_32bit[] = { channel_mask_32bit };
+static BYTE const * const channel_masks_128bit[] = { channel_mask_128bit1, channel_mask_128bit2, channel_mask_128bit3, channel_mask_128bit4 };

static BYTE const * const channel_masks_BGRA5551[] = { channel_mask_5bit,
     channel_mask_5bit2, channel_mask_5bit3, channel_mask_5bit4 };
@@ -2066,6 +2073,17 @@ static struct regsvr_pixelformat const pixelformat_list[] = {
         WICPixelFormatNumericRepresentationUnsignedInteger,
         0
     },
+    {   &GUID_WICPixelFormat128bppRGBAFloat,
+        "The Wine Project",
+        "128bpp RGBAFloat",
+        NULL, /* no version */
+        &GUID_VendorMicrosoft,
+        128, /* bitsperpixel */
+        4, /* channel count */
+        channel_masks_128bit,
+        WICPixelFormatNumericRepresentationFloat,
+        1
+    },
     { NULL }			/* list terminator */
 };

diff --git a/dlls/windowscodecs/tiffformat.c b/dlls/windowscodecs/tiffformat.c
index 7354781eed..984acabfbf 100644
--- a/dlls/windowscodecs/tiffformat.c
+++ b/dlls/windowscodecs/tiffformat.c
@@ -464,9 +464,17 @@ static HRESULT tiff_get_decode_info(TIFF *tiff, tiff_decode_info *decode_info)
                     return E_FAIL;
                 }
             break;
+        case 32:
+            if (samples != 4)
+            {
+                FIXME("unhandled 32bpp RGB sample count %u\n", samples);
+                return WINCODEC_ERR_UNSUPPORTEDPIXELFORMAT;
+            }
+            decode_info->format = &GUID_WICPixelFormat128bppRGBAFloat;
+            break;
         default:
-            FIXME("unhandled RGB bit count %u\n", bps);
-            return E_FAIL;
+            WARN("unhandled RGB bit count %u\n", bps);
+            return WINCODEC_ERR_UNSUPPORTEDPIXELFORMAT;
         }
         break;
     case 3: /* RGB Palette */

[Esme Povirk (they/them)]

Signed-off-by: Vincent Povirk