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-rw-r--r--mesalib/src/mesa/main/texcompress.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/mesalib/src/mesa/main/texcompress.h b/mesalib/src/mesa/main/texcompress.h
index 359b9168a..b45e7cf1b 100644
--- a/mesalib/src/mesa/main/texcompress.h
+++ b/mesalib/src/mesa/main/texcompress.h
@@ -48,6 +48,18 @@ _mesa_compressed_image_address(GLint col, GLint row, GLint img,
gl_format mesaFormat,
GLsizei width, const GLubyte *image);
+
+/** A function to fetch one texel from a compressed texture */
+typedef void (*compressed_fetch_func)(const GLubyte *map,
+ const GLuint imageOffsets[],
+ GLint rowStride,
+ GLint i, GLint j, GLint k,
+ GLfloat *texel);
+
+extern compressed_fetch_func
+_mesa_get_compressed_fetch_func(gl_format format);
+
+
extern void
_mesa_decompress_image(gl_format format, GLuint width, GLuint height,
const GLubyte *src, GLint srcRowStride,