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Graphics: share texture layout for linear render-target mip chains

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This commit is contained in:
nmzik
2026-09-27 11:10:02 +04:00
parent 041874f663
commit a88181b897
2 changed files with 50 additions and 28 deletions
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src/graphics/host_gpu/renderer/colorRenderTarget.cpp
+4 -13
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@@ -160,9 +160,6 @@ void RenderExecutor::ResolveRenderColorTarget(CommandBuffer& buffer, RenderColor
break;
default: EXIT("unknown tile mode: %u\n", static_cast<uint32_t>(rt.attrib3.tile_mode));
}
if (!tile && levels > 1) {
EXIT("linear mipmapped render targets are unsupported\n");
}
if (samples > 1 && (!tile || levels != 1)) {
EXIT("multisampled render targets require a single-mip tiled surface\n");
}
@@ -232,13 +229,14 @@ void RenderExecutor::ResolveRenderColorTarget(CommandBuffer& buffer, RenderColor
}
size = volume_layout.block_slice_size;
backing_size = volume_layout.total_size;
} else if (tile) {
} else {
TileSizeAlign layout {};
bool valid_layout = false;
if (texture_tile) {
if (!tile || texture_tile) {
TileGetTextureSize(transfer_format, width, height, levels, rt.attrib3.tile_mode,
&layout, mip_sizes, mip_padded);
valid_layout = layout.size != 0 && layout.align == texture_tile_layout.block.block_size;
const auto alignment = tile ? texture_tile_layout.block.block_size : 256u;
valid_layout = layout.size != 0 && layout.align == alignment;
} else {
valid_layout =
levels == 1 ? TileGetRenderTargetSize(width, height, pitch, bytes_per_element,
@@ -256,13 +254,6 @@ void RenderExecutor::ResolveRenderColorTarget(CommandBuffer& buffer, RenderColor
mip_sizes[0] = {static_cast<uint32_t>(size), 0, 0, 0, 0, 0};
mip_padded[0] = {pitch, height};
}
} else {
size = static_cast<uint64_t>(pitch) * height * bytes_per_element * samples;
if (size > UINT32_MAX) {
EXIT("linear render-target slice exceeds the supported layout size\n");
}
mip_sizes[0] = {static_cast<uint32_t>(size), 0, 0, 0, 0, 0};
mip_padded[0] = {pitch, height};
}
if (size == 0 || (!volume && size > UINT64_MAX / view.image_layers)) {
EXIT("render-target memory footprint is invalid\n");