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EXR: support tiled images

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This commit is contained in:
Aras Pranckevicius
2024-10-31 11:58:30 +00:00
committed by Baldur Karlsson
parent 897d36ee03
commit 2357c26651
1 changed files with 56 additions and 24 deletions
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renderdoc/core/image_viewer.cpp
+56 -24
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@@ -469,13 +469,6 @@ RDResult IMG_CreateReplayDevice(RDCFile *rdc, IReplayDriver **driver)
"Unsupported EXR file detected - deep image EXR.");
}
if(exrVersion.tiled)
{
FileIO::fclose(f);
RETURN_ERROR_RESULT(ResultCode::ImageUnsupported,
"Unsupported EXR file detected - tiled EXR.");
}
EXRHeader exrHeader;
InitEXRHeader(&exrHeader);
@@ -690,14 +683,6 @@ void ImageViewer::RefreshFile()
return;
}
if(exrVersion.tiled)
{
SET_ERROR_RESULT(m_Error, ResultCode::ImageUnsupported,
"Unsupported EXR file detected - tiled EXR.");
FileIO::fclose(f);
return;
}
EXRHeader exrHeader;
InitEXRHeader(&exrHeader);
@@ -786,18 +771,65 @@ void ImageViewer::RefreshFile()
}
float *rgba = (float *)data;
float **src = (float **)exrImage.images;
for(uint32_t i = 0; i < texDetails.width * texDetails.height; i++)
if(exrImage.images != NULL)
{
for(int c = 0; c < 4; c++)
// scanline image
float **src = (float **)exrImage.images;
for(uint32_t i = 0; i < texDetails.width * texDetails.height; i++)
{
if(channels[c] >= 0)
rgba[i * 4 + c] = src[channels[c]][i];
else if(c < 3) // RGB channels default to 0
rgba[i * 4 + c] = 0.0f;
else // alpha defaults to 1
rgba[i * 4 + c] = 1.0f;
for(int c = 0; c < 4; c++)
{
if(channels[c] >= 0)
rgba[i * 4 + c] = src[channels[c]][i];
else if(c < 3) // RGB channels default to 0
rgba[i * 4 + c] = 0.0f;
else // alpha defaults to 1
rgba[i * 4 + c] = 1.0f;
}
}
}
else if(exrImage.tiles != NULL)
{
// tiled image
const int fullTileWidth = exrHeader.tile_size_x;
const int fullTileHeight = exrHeader.tile_size_y;
for(int idx = 0; idx < exrImage.num_tiles; idx++)
{
const EXRTile &tile = exrImage.tiles[idx];
const int thisTileWidth = tile.width;
const int thisTileHeight = tile.height;
float **src = (float **)tile.images;
float *rgba_tile =
rgba +
(tile.offset_y * fullTileHeight * exrImage.width + tile.offset_x * fullTileWidth) * 4;
for(int y = 0; y < thisTileHeight; y++)
{
const float *src_row[4] = {NULL, NULL, NULL, NULL};
if(channels[0] >= 0)
src_row[0] = src[channels[0]] + y * fullTileWidth;
if(channels[1] >= 0)
src_row[1] = src[channels[1]] + y * fullTileWidth;
if(channels[2] >= 0)
src_row[2] = src[channels[2]] + y * fullTileWidth;
if(channels[3] >= 0)
src_row[3] = src[channels[3]] + y * fullTileWidth;
float *rgba_row = rgba_tile + y * exrImage.width * 4;
for(int x = 0; x < thisTileWidth; x++)
{
for(int c = 0; c < 4; c++)
{
if(src_row[c] != NULL)
rgba_row[x * 4 + c] = src_row[c][x];
else if(c < 3) // RGB channels default to 0
rgba_row[x * 4 + c] = 0.0f;
else // alpha defaults to 1
rgba_row[x * 4 + c] = 1.0f;
}
}
}
}
}