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ref_gl: gl_image: added support for BC7 and BC6H compression formats of DDS textures

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SNMetamorph 2022-03-03 13:42:17 +04:00 • committed by a1batross
parent 29ad3de78a
commit cf7852832f
1 changed files with 10 additions and 0 deletions
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10
ref_gl/gl_image.c
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@ -386,6 +386,9 @@ static size_t GL_CalcImageSize( pixformat_t format, int width, int height, int d
break;
case PF_DXT3:
case PF_DXT5:
case PF_BC6H_SIGNED:
case PF_BC6H_UNSIGNED:
case PF_BC7:
case PF_ATI2:
size = (((width + 3) >> 2) * ((height + 3) >> 2) * 16) * depth;
break;
@ -417,6 +420,10 @@ static size_t GL_CalcTextureSize( GLenum format, int width, int height, int dept
case GL_COMPRESSED_RED_GREEN_RGTC2_EXT:
case GL_COMPRESSED_LUMINANCE_ALPHA_ARB:
case GL_COMPRESSED_LUMINANCE_ALPHA_3DC_ATI:
case GL_COMPRESSED_SRGB_ALPHA_BPTC_UNORM_ARB:
case GL_COMPRESSED_RGBA_BPTC_UNORM_ARB:
case GL_COMPRESSED_RGB_BPTC_SIGNED_FLOAT_ARB:
case GL_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT_ARB:
size = (((width + 3) >> 2) * ((height + 3) >> 2) * 16) * depth;
break;
case GL_RGBA8:
@ -694,6 +701,9 @@ static void GL_SetTextureFormat( gl_texture_t *tex, pixformat_t format, int chan
case PF_DXT1: tex->format = GL_COMPRESSED_RGB_S3TC_DXT1_EXT; break; // never use DXT1 with 1-bit alpha
case PF_DXT3: tex->format = GL_COMPRESSED_RGBA_S3TC_DXT3_EXT; break;
case PF_DXT5: tex->format = GL_COMPRESSED_RGBA_S3TC_DXT5_EXT; break;
case PF_BC6H_SIGNED: tex->format = GL_COMPRESSED_RGB_BPTC_SIGNED_FLOAT_ARB; break;
case PF_BC6H_UNSIGNED: tex->format = GL_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT_ARB; break;
case PF_BC7: tex->format = GL_COMPRESSED_RGBA_BPTC_UNORM_ARB; break;
case PF_ATI2:
if( glConfig.hardware_type == GLHW_RADEON )
tex->format = GL_COMPRESSED_LUMINANCE_ALPHA_3DC_ATI;