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25 * \name mesa_formats.cpp
27 * Verify that all mesa formats are handled in certain functions and that
28 * the format info table is sane.
32 #include <gtest/gtest.h>
34 #include "main/formats.h"
35 #include "main/glformats.h"
38 * Debug/test: check that all uncompressed formats are handled in the
39 * _mesa_uncompressed_format_to_type_and_comps() function. When new pixel
40 * formats are added to Mesa, that function needs to be updated.
42 TEST(MesaFormatsTest
, FormatTypeAndComps
)
44 for (int fi
= MESA_FORMAT_NONE
+ 1; fi
< MESA_FORMAT_COUNT
; ++fi
) {
45 mesa_format f
= (mesa_format
) fi
;
46 SCOPED_TRACE(_mesa_get_format_name(f
));
48 /* This function will emit a problem/warning if the format is
51 if (!_mesa_is_format_compressed(f
)) {
56 /* If the datatype is zero, the format was not handled */
57 _mesa_uncompressed_format_to_type_and_comps(f
, &datatype
, &comps
);
58 EXPECT_NE(datatype
, (GLenum
)0);
60 /* If the error isn't NO_ERROR, the format was not handled.
61 * Use an arbitrary GLenum format. */
62 _mesa_format_matches_format_and_type(f
, GL_RG
, datatype
,
64 EXPECT_EQ((GLenum
)GL_NO_ERROR
, error
);
71 * Do sanity checking of the format info table.
73 TEST(MesaFormatsTest
, FormatSanity
)
75 for (int fi
= 0; fi
< MESA_FORMAT_COUNT
; ++fi
) {
76 mesa_format f
= (mesa_format
) fi
;
77 SCOPED_TRACE(_mesa_get_format_name(f
));
78 GLenum datatype
= _mesa_get_format_datatype(f
);
79 GLint r
= _mesa_get_format_bits(f
, GL_RED_BITS
);
80 GLint g
= _mesa_get_format_bits(f
, GL_GREEN_BITS
);
81 GLint b
= _mesa_get_format_bits(f
, GL_BLUE_BITS
);
82 GLint a
= _mesa_get_format_bits(f
, GL_ALPHA_BITS
);
83 GLint l
= _mesa_get_format_bits(f
, GL_TEXTURE_LUMINANCE_SIZE
);
84 GLint i
= _mesa_get_format_bits(f
, GL_TEXTURE_INTENSITY_SIZE
);
86 /* Note: Z32_FLOAT_X24S8 has datatype of GL_NONE */
87 EXPECT_TRUE(datatype
== GL_NONE
||
88 datatype
== GL_UNSIGNED_NORMALIZED
||
89 datatype
== GL_SIGNED_NORMALIZED
||
90 datatype
== GL_UNSIGNED_INT
||
92 datatype
== GL_FLOAT
);
94 if (r
> 0 && !_mesa_is_format_compressed(f
)) {
95 GLint bytes
= _mesa_get_format_bytes(f
);
96 EXPECT_LE((r
+g
+b
+a
) / 8, bytes
);
99 /* Determines if the base format has a channel [rgba] or property [li].
100 * > indicates existance
101 * == indicates non-existance
103 #define HAS_PROP(rop,gop,bop,aop,lop,iop) \
105 EXPECT_TRUE(r rop 0); \
106 EXPECT_TRUE(g gop 0); \
107 EXPECT_TRUE(b bop 0); \
108 EXPECT_TRUE(a aop 0); \
109 EXPECT_TRUE(l lop 0); \
110 EXPECT_TRUE(i iop 0); \
113 switch (_mesa_get_format_base_format(f
)) {
115 HAS_PROP(>,>,>,>,==,==);
118 HAS_PROP(>,>,>,==,==,==);
121 HAS_PROP(>,>,==,==,==,==);
124 HAS_PROP(>,==,==,==,==,==);
127 HAS_PROP(==,==,==,==,>,==);
130 HAS_PROP(==,==,==,==,==,>);