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ATC and ASTC support (#1410)

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* ATC & ASTC support

- Add update format enum for bimg additions
- renderer_gl ATC and ATSC support
- renderer_mtl ASTC support
- renderer_vk ASTC support
- updates to other backends for new enums
- Support emulated ATC

* cleanup

* Add texture_compression test files for ATC/ASTC formats

* Update 'update' example for ATC formats

- Generalise tile code a little
- Add ATC variants
- Ignoring ASTC for now as not emulated -- should we add empty
  checkerboard emulate though?
This commit is contained in:
Andrew Willmott
2018-06-11 17:23:41 +01:00
committed by Branimir Karadžić
parent a267922971
commit acd99728b7
17 changed files with 124 additions and 20 deletions
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9
src/renderer_gl.cpp
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@@ -201,6 +201,15 @@ namespace bgfx { namespace gl
{ GL_COMPRESSED_RGBA_PVRTC_4BPPV1_IMG, GL_COMPRESSED_SRGB_ALPHA_PVRTC_4BPPV1_EXT, GL_COMPRESSED_RGBA_PVRTC_4BPPV1_IMG, GL_ZERO, false }, // PTC14A
{ GL_COMPRESSED_RGBA_PVRTC_2BPPV2_IMG, GL_ZERO, GL_COMPRESSED_RGBA_PVRTC_2BPPV2_IMG, GL_ZERO, false }, // PTC22
{ GL_COMPRESSED_RGBA_PVRTC_4BPPV2_IMG, GL_ZERO, GL_COMPRESSED_RGBA_PVRTC_4BPPV2_IMG, GL_ZERO, false }, // PTC24
{ GL_ATC_RGB_AMD, GL_ZERO, GL_ATC_RGB_AMD, GL_ZERO, false }, // ATC
{ GL_ATC_RGBA_EXPLICIT_ALPHA_AMD, GL_ZERO, GL_ATC_RGBA_EXPLICIT_ALPHA_AMD, GL_ZERO, false }, // ATCE
{ GL_ATC_RGBA_INTERPOLATED_ALPHA_AMD, GL_ZERO, GL_ATC_RGBA_INTERPOLATED_ALPHA_AMD, GL_ZERO, false }, // ATCI
{ GL_COMPRESSED_RGBA_ASTC_4x4_KHR, GL_COMPRESSED_SRGB8_ASTC_4x4_KHR, GL_COMPRESSED_RGBA_ASTC_4x4_KHR, GL_ZERO, false }, // ASTC4x4
{ GL_COMPRESSED_RGBA_ASTC_5x5_KHR, GL_COMPRESSED_SRGB8_ASTC_5x5_KHR, GL_COMPRESSED_RGBA_ASTC_5x5_KHR, GL_ZERO, false }, // ASTC5x5
{ GL_COMPRESSED_RGBA_ASTC_6x6_KHR, GL_COMPRESSED_SRGB8_ASTC_6x6_KHR, GL_COMPRESSED_RGBA_ASTC_6x6_KHR, GL_ZERO, false }, // ASTC6x6
{ GL_COMPRESSED_RGBA_ASTC_8x5_KHR, GL_COMPRESSED_SRGB8_ASTC_8x5_KHR, GL_COMPRESSED_RGBA_ASTC_8x5_KHR, GL_ZERO, false }, // ASTC8x5
{ GL_COMPRESSED_RGBA_ASTC_8x6_KHR, GL_COMPRESSED_SRGB8_ASTC_8x6_KHR, GL_COMPRESSED_RGBA_ASTC_8x6_KHR, GL_ZERO, false }, // ASTC8x6
{ GL_COMPRESSED_RGBA_ASTC_10x5_KHR, GL_COMPRESSED_SRGB8_ASTC_10x5_KHR, GL_COMPRESSED_RGBA_ASTC_10x5_KHR, GL_ZERO, false }, // ASTC10x5
{ GL_ZERO, GL_ZERO, GL_ZERO, GL_ZERO, false }, // Unknown
{ GL_ZERO, GL_ZERO, GL_ZERO, GL_ZERO, false }, // ATC
{ GL_ZERO, GL_ZERO, GL_ZERO, GL_ZERO, false }, // ATCE