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Make -renormalize work on the top mip-level too (opt-out option) #12

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Make -renormalize work on the top mip-level too (opt-out option) #12

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38789d6
Make -renormalize work on the top mip-level too.
gimhael Feb 16, 2014
412825c
Make top mip-level renormalization an opt-out option
illwieckz Jul 23, 2017
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2 changes: 2 additions & 0 deletions crnlib/crn_mipmapped_texture.h
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Original file line number Diff line number Diff line change
Expand Up @@ -219,6 +219,7 @@ namespace crnlib
m_wrapping(false),
m_srgb(false),
m_renormalize(false),
m_rtopmip(false),
m_filter_scale(.9f),
m_gamma(1.75f), // or 2.2f
m_multithreaded(true)
Expand All @@ -229,6 +230,7 @@ namespace crnlib
bool m_wrapping;
bool m_srgb;
bool m_renormalize;
bool m_rtopmip;
float m_filter_scale;
float m_gamma;
bool m_multithreaded;
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2 changes: 1 addition & 1 deletion crnlib/crn_texture_comp.cpp
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Expand Up @@ -430,7 +430,7 @@ namespace crnlib
new_width = math::clamp<int>(new_width, 1, cCRNMaxLevelResolution);
new_height = math::clamp<int>(new_height, 1, cCRNMaxLevelResolution);

if ((new_width != (int)work_tex.get_width()) || (new_height != (int)work_tex.get_height()))
if ((new_width != (int)work_tex.get_width()) || (new_height != (int)work_tex.get_height()) || (mipmap_params.m_renormalize == true && mipmap_params.m_rtopmip == true))
{
console::info("Resampling input texture to %ux%u", new_width, new_height);

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1 change: 1 addition & 0 deletions crnlib/crn_texture_conversion.cpp
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Expand Up @@ -402,6 +402,7 @@ namespace crnlib
console::debug("Gamma filtering: %u, Gamma: %2.2f", mipmap_params.m_gamma_filtering, mipmap_params.m_gamma);
console::debug(" Blurriness: %2.2f", mipmap_params.m_blurriness);
console::debug(" Renormalize: %u", mipmap_params.m_renormalize);
console::debug("Renorm. top mip: %u", mipmap_params.m_rtopmip);
console::debug(" Tiled: %u", mipmap_params.m_tiled);
console::debug(" Max Levels: %u", mipmap_params.m_max_levels);
console::debug(" Min level size: %u", mipmap_params.m_min_mip_size);
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3 changes: 3 additions & 0 deletions crunch/crunch.cpp
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Expand Up @@ -146,6 +146,7 @@ class crunch
console::printf("-blurriness # - Scale filter kernel, >1=blur, <1=sharpen, .01-8, default=.9");
console::printf("-wrap - Assume texture is tiled when filtering, default=clamping");
console::printf("-renormalize - Renormalize filtered normal map texels, default=disabled");
console::printf("-rtopmip - Renormalize on the top mip-level too, default=disabled");
console::printf("-maxmips # - Limit number of generated texture mipmap levels, 1-16, default=16");
console::printf("-minmipsize # - Smallest allowable mipmap resolution, default=1");

Expand Down Expand Up @@ -216,6 +217,7 @@ class crunch
{ "blurriness", 1, false },
{ "wrap", 0, false },
{ "renormalize", 0, false },
{ "rtopmip", 0, false },
{ "noprogress", 0, false },
{ "paramdebug", 0, false },
{ "debug", 0, false },
Expand Down Expand Up @@ -763,6 +765,7 @@ class crunch
mip_params.m_blurriness = m_params.get_value_as_float("blurriness", 0, mip_params.m_blurriness, .01f, 8.0f);

mip_params.m_renormalize = m_params.get_value_as_bool("renormalize", 0, mip_params.m_renormalize != 0);
mip_params.m_rtopmip = m_params.get_value_as_bool("rtopmip", 0, mip_params.m_rtopmip != 0);
mip_params.m_tiled = m_params.get_value_as_bool("wrap");

mip_params.m_max_levels = m_params.get_value_as_int("maxmips", 0, cCRNMaxLevels, 1, cCRNMaxLevels);
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3 changes: 3 additions & 0 deletions inc/crnlib.h
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Expand Up @@ -421,6 +421,7 @@ struct crn_mipmap_params
// Default "blurriness" factor of .9 actually sharpens the output a little.
m_blurriness = .9f;
m_renormalize = false;
m_rtopmip = false;
m_tiled = false;
m_max_levels = cCRNMaxLevels;
m_min_mip_size = 1;
Expand Down Expand Up @@ -451,6 +452,7 @@ struct crn_mipmap_params
CRNLIB_COMP(m_gamma);
CRNLIB_COMP(m_blurriness);
CRNLIB_COMP(m_renormalize);
CRNLIB_COMP(m_rtopmip);
CRNLIB_COMP(m_tiled);
CRNLIB_COMP(m_max_levels);
CRNLIB_COMP(m_min_mip_size);
Expand Down Expand Up @@ -481,6 +483,7 @@ struct crn_mipmap_params
crn_uint32 m_min_mip_size;

crn_bool m_renormalize;
crn_bool m_rtopmip;
crn_bool m_tiled;

crn_scale_mode m_scale_mode;
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