From: Nanley Chery <nanley.g.ch...@intel.com>
This is necesary to initialize the gl_texture_image struct.
From the KHR_texture_compression_astc_ldr spec:
"Added to Section 3.8.6, Compressed Texture Images
Add the tokens specified above to Table 3.16, Compressed Internal Formats.
In all cases, the base internal format will be RGBA. The encoding allows
images to be encoded with fewer channels, but this is always presented as
RGBA to the sampler."
Signed-off-by: Nanley Chery <nanley.g.ch...@intel.com>
---
src/mesa/main/teximage.c | 36 ++++++++++++++++++++++++++++++++++++
1 file changed, 36 insertions(+)
diff --git a/src/mesa/main/teximage.c b/src/mesa/main/teximage.c
index 9207580..e134f3b 100644
--- a/src/mesa/main/teximage.c
+++ b/src/mesa/main/teximage.c
@@ -565,6 +565,42 @@ _mesa_base_tex_format( struct gl_context *ctx, GLint
internalFormat )
}
}
+ if (ctx->Extensions.KHR_texture_compression_astc_ldr) {
+ switch (internalFormat) {
+ case GL_COMPRESSED_RGBA_ASTC_4x4_KHR:
+ case GL_COMPRESSED_RGBA_ASTC_5x4_KHR:
+ case GL_COMPRESSED_RGBA_ASTC_5x5_KHR:
+ case GL_COMPRESSED_RGBA_ASTC_6x5_KHR:
+ case GL_COMPRESSED_RGBA_ASTC_6x6_KHR:
+ case GL_COMPRESSED_RGBA_ASTC_8x5_KHR:
+ case GL_COMPRESSED_RGBA_ASTC_8x6_KHR:
+ case GL_COMPRESSED_RGBA_ASTC_8x8_KHR:
+ case GL_COMPRESSED_RGBA_ASTC_10x5_KHR:
+ case GL_COMPRESSED_RGBA_ASTC_10x6_KHR:
+ case GL_COMPRESSED_RGBA_ASTC_10x8_KHR:
+ case GL_COMPRESSED_RGBA_ASTC_10x10_KHR:
+ case GL_COMPRESSED_RGBA_ASTC_12x10_KHR:
+ case GL_COMPRESSED_RGBA_ASTC_12x12_KHR:
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR:
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR:
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR:
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR:
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR:
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR:
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR:
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR:
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR:
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR:
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR:
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR:
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR:
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR:
+ return GL_RGBA;
+ default:
+ ; /* fallthrough */
+ }
+ }
+
if (_mesa_is_gles3(ctx) || ctx->Extensions.ARB_ES3_compatibility) {
switch (internalFormat) {
case GL_COMPRESSED_RGB8_ETC2:
--
2.4.1
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