_mesa_get_format_info(mesa_format format)
{
const struct gl_format_info *info = &format_info[format];
+ STATIC_ASSERT(ARRAY_SIZE(format_info) == MESA_FORMAT_COUNT);
assert(info->Name == format);
return info;
}
}
-/**
- * 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.
- * This is a no-op after the first call.
- */
-static void
-check_format_to_type_and_comps(void)
-{
- mesa_format f;
-
- for (f = MESA_FORMAT_NONE + 1; f < MESA_FORMAT_COUNT; f++) {
- GLenum datatype = 0;
- GLuint comps = 0;
- /* This function will emit a problem/warning if the format is
- * not handled.
- */
- if (!_mesa_is_format_compressed(f))
- _mesa_uncompressed_format_to_type_and_comps(f, &datatype, &comps);
- }
-}
-
-/**
- * Do sanity checking of the format info table.
- */
-void
-_mesa_test_formats(void)
-{
- GLuint i;
-
- STATIC_ASSERT(ARRAY_SIZE(format_info) == MESA_FORMAT_COUNT);
-
- for (i = 0; i < MESA_FORMAT_COUNT; i++) {
- const struct gl_format_info *info = _mesa_get_format_info(i);
- assert(info);
-
- assert(info->Name == i);
-
- if (info->Name == MESA_FORMAT_NONE)
- continue;
-
- if (info->BlockWidth == 1 && info->BlockHeight == 1) {
- if (info->RedBits > 0) {
- GLuint t = info->RedBits + info->GreenBits
- + info->BlueBits + info->AlphaBits;
- assert(t / 8 <= info->BytesPerBlock);
- (void) t;
- }
- }
-
- assert(info->DataType == GL_UNSIGNED_NORMALIZED ||
- info->DataType == GL_SIGNED_NORMALIZED ||
- info->DataType == GL_UNSIGNED_INT ||
- info->DataType == GL_INT ||
- info->DataType == GL_FLOAT ||
- /* Z32_FLOAT_X24S8 has DataType of GL_NONE */
- info->DataType == GL_NONE);
-
- if (info->BaseFormat == GL_RGB) {
- assert(info->RedBits > 0);
- assert(info->GreenBits > 0);
- assert(info->BlueBits > 0);
- assert(info->AlphaBits == 0);
- assert(info->LuminanceBits == 0);
- assert(info->IntensityBits == 0);
- }
- else if (info->BaseFormat == GL_RGBA) {
- assert(info->RedBits > 0);
- assert(info->GreenBits > 0);
- assert(info->BlueBits > 0);
- assert(info->AlphaBits > 0);
- assert(info->LuminanceBits == 0);
- assert(info->IntensityBits == 0);
- }
- else if (info->BaseFormat == GL_RG) {
- assert(info->RedBits > 0);
- assert(info->GreenBits > 0);
- assert(info->BlueBits == 0);
- assert(info->AlphaBits == 0);
- assert(info->LuminanceBits == 0);
- assert(info->IntensityBits == 0);
- }
- else if (info->BaseFormat == GL_RED) {
- assert(info->RedBits > 0);
- assert(info->GreenBits == 0);
- assert(info->BlueBits == 0);
- assert(info->AlphaBits == 0);
- assert(info->LuminanceBits == 0);
- assert(info->IntensityBits == 0);
- }
- else if (info->BaseFormat == GL_LUMINANCE) {
- assert(info->RedBits == 0);
- assert(info->GreenBits == 0);
- assert(info->BlueBits == 0);
- assert(info->AlphaBits == 0);
- assert(info->LuminanceBits > 0);
- assert(info->IntensityBits == 0);
- }
- else if (info->BaseFormat == GL_INTENSITY) {
- assert(info->RedBits == 0);
- assert(info->GreenBits == 0);
- assert(info->BlueBits == 0);
- assert(info->AlphaBits == 0);
- assert(info->LuminanceBits == 0);
- assert(info->IntensityBits > 0);
- }
- }
-
- check_format_to_type_and_comps();
-}
-
-
/**
* Return datatype and number of components per texel for the given
case MESA_FORMAT_COUNT:
assert(0);
return;
-
- case MESA_FORMAT_RGB_FXT1:
- case MESA_FORMAT_RGBA_FXT1:
- case MESA_FORMAT_RGB_DXT1:
- case MESA_FORMAT_RGBA_DXT1:
- case MESA_FORMAT_RGBA_DXT3:
- case MESA_FORMAT_RGBA_DXT5:
- case MESA_FORMAT_SRGB_DXT1:
- case MESA_FORMAT_SRGBA_DXT1:
- case MESA_FORMAT_SRGBA_DXT3:
- case MESA_FORMAT_SRGBA_DXT5:
- case MESA_FORMAT_R_RGTC1_UNORM:
- case MESA_FORMAT_R_RGTC1_SNORM:
- case MESA_FORMAT_RG_RGTC2_UNORM:
- case MESA_FORMAT_RG_RGTC2_SNORM:
- case MESA_FORMAT_L_LATC1_UNORM:
- case MESA_FORMAT_L_LATC1_SNORM:
- case MESA_FORMAT_LA_LATC2_UNORM:
- case MESA_FORMAT_LA_LATC2_SNORM:
- case MESA_FORMAT_ETC1_RGB8:
- case MESA_FORMAT_ETC2_RGB8:
- case MESA_FORMAT_ETC2_SRGB8:
- case MESA_FORMAT_ETC2_RGBA8_EAC:
- case MESA_FORMAT_ETC2_SRGB8_ALPHA8_EAC:
- case MESA_FORMAT_ETC2_R11_EAC:
- case MESA_FORMAT_ETC2_RG11_EAC:
- case MESA_FORMAT_ETC2_SIGNED_R11_EAC:
- case MESA_FORMAT_ETC2_SIGNED_RG11_EAC:
- case MESA_FORMAT_ETC2_RGB8_PUNCHTHROUGH_ALPHA1:
- case MESA_FORMAT_ETC2_SRGB8_PUNCHTHROUGH_ALPHA1:
- case MESA_FORMAT_BPTC_RGBA_UNORM:
- case MESA_FORMAT_BPTC_SRGB_ALPHA_UNORM:
- case MESA_FORMAT_BPTC_RGB_SIGNED_FLOAT:
- case MESA_FORMAT_BPTC_RGB_UNSIGNED_FLOAT:
- assert(_mesa_is_format_compressed(format));
- case MESA_FORMAT_NONE:
- /* For debug builds, warn if any formats are not handled */
-#ifdef DEBUG
default:
-#endif
+ /* Warn if any formats are not handled */
_mesa_problem(NULL, "bad format %s in _mesa_uncompressed_format_to_type_and_comps",
_mesa_get_format_name(format));
+ assert(format == MESA_FORMAT_NONE ||
+ _mesa_is_format_compressed(format));
*datatype = 0;
*comps = 1;
}
--- /dev/null
+/*
+ * 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;
+ GLuint comps = 0;
+ _mesa_uncompressed_format_to_type_and_comps(f, &datatype, &comps);
+
+ /* If the datatype is zero, the format was not handled */
+ EXPECT_NE(datatype, (GLenum)0);
+ }
+
+ }
+}
+
+/**
+ * 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
+
+ }
+}