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/*
* Copyright © 2015 Intel Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
/**
* \name mesa_formats.cpp
*
* Verify that all mesa formats are handled in certain functions and that
* the format info table is sane.
*
*/
#include <gtest/gtest.h>
#include "main/formats.h"
#include "main/glformats.h"
/**
* Debug/test: check that all uncompressed formats are handled in the
* _mesa_uncompressed_format_to_type_and_comps() function. When new pixel
* formats are added to Mesa, that function needs to be updated.
*/
TEST(MesaFormatsTest, FormatTypeAndComps)
{
for (int fi = MESA_FORMAT_NONE + 1; fi < MESA_FORMAT_COUNT; ++fi) {
mesa_format f = (mesa_format) fi;
SCOPED_TRACE(_mesa_get_format_name(f));
/* This function will emit a problem/warning if the format is
* not handled.
*/
if (!_mesa_is_format_compressed(f)) {
GLenum datatype = 0;
GLenum error = 0;
GLuint comps = 0;
/* If the datatype is zero, the format was not handled */
_mesa_uncompressed_format_to_type_and_comps(f, &datatype, &comps);
EXPECT_NE(datatype, (GLenum)0);
/* If the error isn't NO_ERROR, the format was not handled.
* Use an arbitrary GLenum format. */
_mesa_format_matches_format_and_type(f, GL_RG, datatype,
GL_FALSE, &error);
EXPECT_EQ((GLenum)GL_NO_ERROR, error);
}
}
}
/**
* Do sanity checking of the format info table.
*/
TEST(MesaFormatsTest, FormatSanity)
{
for (int fi = 0; fi < MESA_FORMAT_COUNT; ++fi) {
mesa_format f = (mesa_format) fi;
SCOPED_TRACE(_mesa_get_format_name(f));
GLenum datatype = _mesa_get_format_datatype(f);
GLint r = _mesa_get_format_bits(f, GL_RED_BITS);
GLint g = _mesa_get_format_bits(f, GL_GREEN_BITS);
GLint b = _mesa_get_format_bits(f, GL_BLUE_BITS);
GLint a = _mesa_get_format_bits(f, GL_ALPHA_BITS);
GLint l = _mesa_get_format_bits(f, GL_TEXTURE_LUMINANCE_SIZE);
GLint i = _mesa_get_format_bits(f, GL_TEXTURE_INTENSITY_SIZE);
/* Note: Z32_FLOAT_X24S8 has datatype of GL_NONE */
EXPECT_TRUE(datatype == GL_NONE ||
datatype == GL_UNSIGNED_NORMALIZED ||
datatype == GL_SIGNED_NORMALIZED ||
datatype == GL_UNSIGNED_INT ||
datatype == GL_INT ||
datatype == GL_FLOAT);
if (r > 0 && !_mesa_is_format_compressed(f)) {
GLint bytes = _mesa_get_format_bytes(f);
EXPECT_LE((r+g+b+a) / 8, bytes);
}
/* Determines if the base format has a channel [rgba] or property [li].
* > indicates existance
* == indicates non-existance
*/
#define HAS_PROP(rop,gop,bop,aop,lop,iop) \
do { \
EXPECT_TRUE(r rop 0); \
EXPECT_TRUE(g gop 0); \
EXPECT_TRUE(b bop 0); \
EXPECT_TRUE(a aop 0); \
EXPECT_TRUE(l lop 0); \
EXPECT_TRUE(i iop 0); \
} while(0)
switch (_mesa_get_format_base_format(f)) {
case GL_RGBA:
HAS_PROP(>,>,>,>,==,==);
break;
case GL_RGB:
HAS_PROP(>,>,>,==,==,==);
break;
case GL_RG:
HAS_PROP(>,>,==,==,==,==);
break;
case GL_RED:
HAS_PROP(>,==,==,==,==,==);
break;
case GL_LUMINANCE:
HAS_PROP(==,==,==,==,>,==);
break;
case GL_INTENSITY:
HAS_PROP(==,==,==,==,==,>);
break;
default:
break;
}
#undef HAS_PROP
}
}
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