summaryrefslogtreecommitdiff
path: root/modules/squish
diff options
context:
space:
mode:
Diffstat (limited to 'modules/squish')
-rw-r--r--modules/squish/image_compress_squish.cpp62
-rw-r--r--modules/squish/image_compress_squish.h2
2 files changed, 14 insertions, 50 deletions
diff --git a/modules/squish/image_compress_squish.cpp b/modules/squish/image_compress_squish.cpp
index 58b8115dfc..2f680fd3d0 100644
--- a/modules/squish/image_compress_squish.cpp
+++ b/modules/squish/image_compress_squish.cpp
@@ -50,7 +50,7 @@ void image_decompress_squish(Image *p_image) {
squish_flags = squish::kDxt1;
} else if (p_image->get_format() == Image::FORMAT_DXT3) {
squish_flags = squish::kDxt3;
- } else if (p_image->get_format() == Image::FORMAT_DXT5) {
+ } else if (p_image->get_format() == Image::FORMAT_DXT5 || p_image->get_format() == Image::FORMAT_DXT5_RA_AS_RG) {
squish_flags = squish::kDxt5;
} else if (p_image->get_format() == Image::FORMAT_RGTC_R) {
squish_flags = squish::kBc4;
@@ -71,9 +71,13 @@ void image_decompress_squish(Image *p_image) {
}
p_image->create(p_image->get_width(), p_image->get_height(), p_image->has_mipmaps(), target_format, data);
+
+ if (p_image->get_format() == Image::FORMAT_DXT5_RA_AS_RG) {
+ p_image->convert_ra_rgba8_to_rg();
+ }
}
-void image_compress_squish(Image *p_image, float p_lossy_quality, Image::CompressSource p_source) {
+void image_compress_squish(Image *p_image, float p_lossy_quality, Image::UsedChannels p_channels) {
if (p_image->get_format() >= Image::FORMAT_DXT1)
return; //do not compress, already compressed
@@ -92,75 +96,35 @@ void image_compress_squish(Image *p_image, float p_lossy_quality, Image::Compres
Image::Format target_format = Image::FORMAT_RGBA8;
- Image::DetectChannels dc = p_image->get_detected_channels();
-
- if (p_source == Image::COMPRESS_SOURCE_LAYERED) {
- //keep what comes in
- switch (p_image->get_format()) {
- case Image::FORMAT_L8: {
- dc = Image::DETECTED_L;
- } break;
- case Image::FORMAT_LA8: {
- dc = Image::DETECTED_LA;
- } break;
- case Image::FORMAT_R8: {
- dc = Image::DETECTED_R;
- } break;
- case Image::FORMAT_RG8: {
- dc = Image::DETECTED_RG;
- } break;
- case Image::FORMAT_RGB8: {
- dc = Image::DETECTED_RGB;
- } break;
- case Image::FORMAT_RGBA8:
- case Image::FORMAT_RGBA4444:
- case Image::FORMAT_RGBA5551: {
- dc = Image::DETECTED_RGBA;
- } break;
- default: {
- }
- }
- }
-
p_image->convert(Image::FORMAT_RGBA8); //still uses RGBA to convert
- if (p_source == Image::COMPRESS_SOURCE_SRGB && (dc == Image::DETECTED_R || dc == Image::DETECTED_RG)) {
- //R and RG do not support SRGB
- dc = Image::DETECTED_RGB;
- }
-
- if (p_source == Image::COMPRESS_SOURCE_NORMAL) {
- //R and RG do not support SRGB
- dc = Image::DETECTED_RG;
- }
-
- switch (dc) {
- case Image::DETECTED_L: {
+ switch (p_channels) {
+ case Image::USED_CHANNELS_L: {
target_format = Image::FORMAT_DXT1;
squish_comp |= squish::kDxt1;
} break;
- case Image::DETECTED_LA: {
+ case Image::USED_CHANNELS_LA: {
target_format = Image::FORMAT_DXT5;
squish_comp |= squish::kDxt5;
} break;
- case Image::DETECTED_R: {
+ case Image::USED_CHANNELS_R: {
target_format = Image::FORMAT_RGTC_R;
squish_comp |= squish::kBc4;
} break;
- case Image::DETECTED_RG: {
+ case Image::USED_CHANNELS_RG: {
target_format = Image::FORMAT_RGTC_RG;
squish_comp |= squish::kBc5;
} break;
- case Image::DETECTED_RGB: {
+ case Image::USED_CHANNELS_RGB: {
target_format = Image::FORMAT_DXT1;
squish_comp |= squish::kDxt1;
} break;
- case Image::DETECTED_RGBA: {
+ case Image::USED_CHANNELS_RGBA: {
//TODO, should convert both, then measure which one does a better job
target_format = Image::FORMAT_DXT5;
diff --git a/modules/squish/image_compress_squish.h b/modules/squish/image_compress_squish.h
index b5a209ceb9..19e6d57474 100644
--- a/modules/squish/image_compress_squish.h
+++ b/modules/squish/image_compress_squish.h
@@ -33,7 +33,7 @@
#include "core/image.h"
-void image_compress_squish(Image *p_image, float p_lossy_quality, Image::CompressSource p_source);
+void image_compress_squish(Image *p_image, float p_lossy_quality, Image::UsedChannels p_channels);
void image_decompress_squish(Image *p_image);
#endif // IMAGE_COMPRESS_SQUISH_H