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on mac, render unsupported bptc textures (skyboxes) as uncompressed

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This commit is contained in:
SamGondelman 2018-05-21 14:27:18 -07:00
parent 61eccabb56
commit 45289dea09
2 changed files with 6 additions and 0 deletions
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4
libraries/gpu-gl/src/gpu/gl41/GL41BackendTexture.cpp
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@ -31,6 +31,10 @@ bool GL41Backend::supportedTextureFormat(const gpu::Element& format) {
case gpu::Semantic::COMPRESSED_EAC_RED_SIGNED:
case gpu::Semantic::COMPRESSED_EAC_XY:
case gpu::Semantic::COMPRESSED_EAC_XY_SIGNED:
// The ARB_texture_compression_bptc extension is not supported on 4.1
// See https://www.g-truc.net/doc/OpenGL%204%20Hardware%20Matrix.pdf
case gpu::Semantic::COMPRESSED_BC6_RGB:
case gpu::Semantic::COMPRESSED_BC7_SRGBA:
return false;
default:
return true;

2
libraries/gpu-gl/src/gpu/gl45/GL45BackendTexture.cpp
View file

@ -33,6 +33,8 @@ using namespace gpu::gl45;
bool GL45Backend::supportedTextureFormat(const gpu::Element& format) {
switch (format.getSemantic()) {
// ETC textures are actually required by the OpenGL spec as of 4.3, but aren't always supported by hardware
// They'll be recompressed by OpenGL, which will be slow or have poor quality, so disable them for now
case gpu::Semantic::COMPRESSED_ETC2_RGB:
case gpu::Semantic::COMPRESSED_ETC2_SRGB:
case gpu::Semantic::COMPRESSED_ETC2_RGB_PUNCHTHROUGH_ALPHA: