[Piglit] [PATCH 2/4] arb_texture_view: Test valid and invalid formats

Brian Paul brianp at vmware.com
Sat Oct 19 01:57:58 CEST 2013


The same formatting nitpicks from patch 1 apply to this patch and #3.

More below.

On 10/18/2013 05:06 PM, Jon Ashburn wrote:
> When calling glTextureView() only certain formats are valid based on the format
> of the original texture. This tests valid/invalid combinations.
>
> Tested on Nvidia Quadro 600, all tests pass.
> ---
>   tests/all.tests                               |   1 +
>   tests/spec/arb_texture_view/CMakeLists.gl.txt |   1 +
>   tests/spec/arb_texture_view/common.c          |  60 +++++
>   tests/spec/arb_texture_view/common.h          |  28 +++
>   tests/spec/arb_texture_view/formats.c         | 318 ++++++++++++++++++++++++++
>   5 files changed, 408 insertions(+)
>   create mode 100644 tests/spec/arb_texture_view/common.c
>   create mode 100644 tests/spec/arb_texture_view/common.h
>   create mode 100644 tests/spec/arb_texture_view/formats.c
>
> diff --git a/tests/all.tests b/tests/all.tests
> index 2bb6aed..4d089b4 100644
> --- a/tests/all.tests
> +++ b/tests/all.tests
> @@ -1473,6 +1473,7 @@ arb_texture_view = Group()
>   spec['ARB_texture_view'] = arb_texture_view
>   arb_texture_view['immutable_levels'] = concurrent_test('arb_texture_view-texture-immutable-levels')
>   arb_texture_view['params'] = concurrent_test('arb_texture_view-params')
> +arb_texture_view['formats'] = concurrent_test('arb_texture_view-formats')
>
>   tdfx_texture_compression_fxt1 = Group()
>   spec['3DFX_texture_compression_FXT1'] = tdfx_texture_compression_fxt1
> diff --git a/tests/spec/arb_texture_view/CMakeLists.gl.txt b/tests/spec/arb_texture_view/CMakeLists.gl.txt
> index 4f2b1ef..44b6a64 100644
> --- a/tests/spec/arb_texture_view/CMakeLists.gl.txt
> +++ b/tests/spec/arb_texture_view/CMakeLists.gl.txt
> @@ -11,5 +11,6 @@ link_libraries(
>
>   piglit_add_executable(arb_texture_view-texture-immutable-levels texture-immutable-levels.c)
>   piglit_add_executable(arb_texture_view-params params.c)
> +piglit_add_executable(arb_texture_view-formats formats.c common.c)
>
>   # vim: ft=cmake:
> diff --git a/tests/spec/arb_texture_view/common.c b/tests/spec/arb_texture_view/common.c
> new file mode 100644
> index 0000000..d45295a
> --- /dev/null
> +++ b/tests/spec/arb_texture_view/common.c
> @@ -0,0 +1,60 @@
> +/*
> + * Copyright © 2013 LunarG, Inc.
> + *
> + * 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.
> + *
> + * Author: Jon Ashburn <jon at lunarg.com>
> + */
> +
> +#include "GL/gl.h"
> +#include <stdarg.h>
> +
> +/**
> + * This function takes an array of valid and invalid GLenums.  The invalid
> + * enums array starts fully populated and the valid  array is empty.
> + * It adds the varargs GLenum values to the valid array and removes  them
> + * from the invalid array.
> + * @param numInvalid  the size of array invalid
> + * An variable argument equal to zero will signal the end of
> + * the variable parameters.
> + */
> +
> +unsigned int update_valid_arrays(GLenum *valid, GLenum *invalid,
> +			 unsigned int numInvalid, ... )
> +{
> +	va_list args;
> +	GLenum val;
> +	unsigned int j, num;
> +
> +	va_start(args, numInvalid);
> +	val = va_arg(args, GLenum);
> +	num = 0;
> +	while (val) {
> +		valid[num++] = val;
> +		/* remove the valid enum from the invalid array */
> +		for (j= 0; j < numInvalid; j++) {
> +			if (invalid[j] == val)
> +				invalid[j] = 0;
> +		}
> +		val = va_arg(args, GLenum);
> +	}
> +	va_end(args);
> +	return num;
> +}
> diff --git a/tests/spec/arb_texture_view/common.h b/tests/spec/arb_texture_view/common.h
> new file mode 100644
> index 0000000..1ffcaea
> --- /dev/null
> +++ b/tests/spec/arb_texture_view/common.h
> @@ -0,0 +1,28 @@
> +/*
> + * Copyright © 2013 LunarG, Inc.
> + *
> + * 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.
> + *
> + * Author: Jon Ashburn <jon at lunarg.com>
> + */
> +
> +
> +unsigned int update_valid_arrays(GLenum *valid, GLenum *invalid,
> +			 unsigned int numInvalid, ... );
> diff --git a/tests/spec/arb_texture_view/formats.c b/tests/spec/arb_texture_view/formats.c
> new file mode 100644
> index 0000000..4ec086a
> --- /dev/null
> +++ b/tests/spec/arb_texture_view/formats.c
> @@ -0,0 +1,318 @@
> +/*
> + * Copyright © 2013 LunarG, Inc.
> + *
> + * 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.
> + *
> + * Author: Jon Ashburn <jon at lunarg.com>
> + */
> +
> +/**
> + *  \file
> + * This (arb_texture_view-formats) tests valid and invalid new TextureView
> + * formats based on the original textures format.
> + *
> + * Section 8.18 (Texture Views) of OpenGL 4.3 Core says:
> + *     "The two textures’ internal formats must be compatible according to
> + *     table 8.21 if the internal format exists in that table. The internal
> + *     formats must be identical if not in that table."
> + *
> + */
> +
> +#include "piglit-util-gl-common.h"
> +#include "common.h"
> +
> +PIGLIT_GL_TEST_CONFIG_BEGIN
> +
> +	config.supports_gl_compat_version = 10;
> +	config.supports_gl_core_version = 31;
> +
> +	config.window_visual = PIGLIT_GL_VISUAL_RGBA | PIGLIT_GL_VISUAL_DOUBLE;
> +
> +PIGLIT_GL_TEST_CONFIG_END
> +
> +static const char *TestName = "arb_texture_view-formats";
> +
> +#define MAX_ILLEGAL_FORMATS 17
> +
> +/**
> + * Iterate through array of texture formats and check if call to TextureView
> + * causes the gl error  "err"
> + */
> +static bool check_format_array(const GLenum err, const unsigned int numFormats,
> +			       const GLenum *formatArray, const GLenum target,
> +			       const GLuint tex, const GLuint levels, const
> +			       GLuint layers)
> +{
> +	unsigned int i;
> +	bool pass = true;
> +
> +	for (i = 0; i < numFormats; i++) {
> +		GLenum format;
> +		GLuint newTex;
> +		format = formatArray[i];
> +		if (format == 0)
> +			continue;
> +		glGenTextures(1, &newTex);
> +		glTextureView(newTex, target, tex, format, 0, levels, 0,
> +			      layers);
> +		glDeleteTextures(1, &newTex);
> +		if (!piglit_check_gl_error(err)) {
> +			pass = false;
> +			break;
> +		}
> +	}
> +	return pass;
> +}
> +
> +/**
> + * Do error-check tests for texture formats
> + */
> +static bool
> +test_format_errors(GLenum format_class)
> +{
> +	const GLint width = 16, height = 16;
> +	const GLsizei levels = 5, layers = 6;
> +	GLenum target = GL_TEXTURE_CUBE_MAP;
> +	GLuint tex;
> +	bool pass = true;
> +	GLenum legalFormats[MAX_ILLEGAL_FORMATS];
> +	unsigned int numFormats;
> +	GLenum illegalFormats[] = {
> +		/* skip compressed sized formats */
> +		/* 128 bit */
> +		GL_RGBA32F,
> +		GL_RGBA32UI,
> +		GL_RGBA32I,
> +		/* 96 bit */
> +		GL_RGB32F,
> +		GL_RGB32UI,
> +		GL_RGB32I,
> +		/* 64 bit */
> +		GL_RGBA16F,
> +		GL_RG32F,
> +		GL_RGBA16UI,
> +		GL_RG32UI,
> +		GL_RGBA16I,
> +		GL_RG32I,
> +		GL_RGBA16,
> +		GL_RGBA16_SNORM,
> +		/* 48 bit */
> +		GL_RGB16,
> +		GL_RGB16_SNORM,
> +		GL_RGB16F,
> +		GL_RGB16UI,
> +		GL_RGB16I,
> +		/* 32 bits */
> +		GL_RG16F,
> +		GL_R11F_G11F_B10F,
> +		GL_R32F,
> +		GL_RGB10_A2UI,
> +		GL_RGBA8UI,
> +		GL_RG16UI,
> +		GL_R32UI,
> +		GL_RGBA8I,
> +		GL_RG16I,
> +		GL_R32I,
> +		GL_RGB10_A2,
> +		GL_RGBA8,
> +		GL_RG16,
> +		GL_RGBA8_SNORM,
> +		GL_RG16_SNORM,
> +		GL_SRGB8_ALPHA8,
> +		GL_RGB9_E5,
> +		/* 24 bits */
> +		GL_RGB8,
> +		GL_RGB8_SNORM,
> +		GL_SRGB8,
> +		GL_RGB8UI,
> +		GL_RGB8I,
> +		/* 16 bits */
> +		GL_R16F,
> +		GL_RG8UI,
> +		GL_R16UI,
> +		GL_RG8I,
> +		GL_R16I,
> +		GL_RG8,
> +		GL_R16,
> +		GL_RG8_SNORM,
> +		GL_R16_SNORM,
> +		/* 8 bits */
> +		GL_R8UI,
> +		GL_R8I,
> +		GL_R8,
> +		GL_R8_SNORM,
> +		/* a sampling of unsized formats */
> +		GL_ALPHA,
> +		GL_LUMINANCE,
> +		GL_LUMINANCE_ALPHA,
> +		GL_INTENSITY,
> +		GL_RGB,
> +		GL_RGBA,
> +		GL_DEPTH_COMPONENT,
> +		GL_COMPRESSED_ALPHA,
> +		GL_COMPRESSED_LUMINANCE_ALPHA,
> +		GL_COMPRESSED_LUMINANCE,
> +		GL_COMPRESSED_INTENSITY,
> +		GL_COMPRESSED_RGB,
> +		GL_COMPRESSED_RGBA,
> +		GL_COMPRESSED_RGBA,
> +		GL_COMPRESSED_SRGB,
> +		GL_COMPRESSED_SRGB_ALPHA,
> +		GL_COMPRESSED_SLUMINANCE,
> +		GL_COMPRESSED_SLUMINANCE_ALPHA,
> +	};
> +
> +	/* skip compressed internal formats for now including extensions */
> +	assert(format_class == GL_VIEW_CLASS_128_BITS ||
> +	       format_class == GL_VIEW_CLASS_96_BITS ||
> +	       format_class == GL_VIEW_CLASS_64_BITS ||
> +	       format_class == GL_VIEW_CLASS_48_BITS ||
> +	       format_class == GL_VIEW_CLASS_32_BITS ||
> +	       format_class == GL_VIEW_CLASS_24_BITS ||
> +	       format_class == GL_VIEW_CLASS_16_BITS ||
> +	       format_class == GL_VIEW_CLASS_8_BITS);

Were you interested in my suggestion of removing this assertion and 
handling bad format_class with a default switch below?


> +
> +	glGenTextures(1, &tex);   /* orig tex */
> +	glBindTexture(target, tex);
> +
> +	switch (format_class) {
> +	case GL_VIEW_CLASS_128_BITS:
> +		glTexStorage2D(target, levels, GL_RGBA32F, width, height);
> +		numFormats = update_valid_arrays(legalFormats, illegalFormats,
> +				    ARRAY_SIZE(illegalFormats),
> +				    GL_RGBA32F, GL_RGBA32UI, GL_RGBA32I, 0);
> +		break;
> +	case GL_VIEW_CLASS_96_BITS:
> +		glTexStorage2D(target, levels, GL_RGB32F, width, height);
> +		numFormats = update_valid_arrays(legalFormats, illegalFormats,
> +				    ARRAY_SIZE(illegalFormats),
> +				    GL_RGB32F, GL_RGB32UI, GL_RGB32I, 0);
> +		break;
> +	case GL_VIEW_CLASS_64_BITS:
> +		glTexStorage2D(target, levels, GL_RGBA16F, width, height);
> +		numFormats = update_valid_arrays(legalFormats, illegalFormats,
> +				    ARRAY_SIZE(illegalFormats),
> +				    GL_RGBA16F, GL_RG32F, GL_RGBA16UI,
> +				    GL_RG32UI, GL_RGBA16I, GL_RG32I, GL_RGBA16,
> +				    GL_RGBA16_SNORM, 0);
> +		break;
> +	case GL_VIEW_CLASS_48_BITS:
> +		glTexStorage2D(target, levels, GL_RGB16, width, height);
> +		numFormats = update_valid_arrays(legalFormats, illegalFormats,
> +				    ARRAY_SIZE(illegalFormats),
> +				    GL_RGB16, GL_RGB16_SNORM, GL_RGB16F,
> +				    GL_RGB16UI, GL_RGB16I, 0);
> +		break;
> +	case GL_VIEW_CLASS_32_BITS:
> +		glTexStorage2D(target, levels, GL_RG16F, width, height);
> +		numFormats = update_valid_arrays(legalFormats, illegalFormats,
> +				    ARRAY_SIZE(illegalFormats),
> +				    GL_RG16F, GL_R11F_G11F_B10F, GL_R32F,
> +				    GL_RGB10_A2UI, GL_RGBA8UI, GL_RG16UI,
> +				    GL_R32UI, GL_RGBA8I, GL_RG16I,
> +				    GL_R32I, GL_RGB10_A2, GL_RGBA8, GL_RG16,
> +				    GL_RGBA8_SNORM, GL_RG16_SNORM,
> +				    GL_SRGB8_ALPHA8, GL_RGB9_E5, 0);
> +		break;
> +	case GL_VIEW_CLASS_24_BITS:
> +		glTexStorage2D(target, levels, GL_RGB8, width, height);
> +		numFormats = update_valid_arrays(legalFormats, illegalFormats,
> +				    ARRAY_SIZE(illegalFormats),
> +				    GL_RGB8, GL_RGB8_SNORM, GL_SRGB8,
> +				    GL_RGB8UI, GL_RGB8I, 0);
> +		break;
> +	case GL_VIEW_CLASS_16_BITS:
> +		glTexStorage2D(target, levels, GL_R16F, width, height);
> +		numFormats = update_valid_arrays(legalFormats, illegalFormats,
> +				    ARRAY_SIZE(illegalFormats),
> +				    GL_R16F, GL_RG8UI, GL_R16UI, GL_RG8I,
> +				    GL_R16I, GL_RG8, GL_R16, GL_RG8_SNORM,
> +				    GL_R16_SNORM, 0);
> +		break;
> +	case GL_VIEW_CLASS_8_BITS:
> +		glTexStorage2D(target, levels, GL_R8I, width, height);
> +		numFormats = update_valid_arrays(legalFormats, illegalFormats,
> +				    ARRAY_SIZE(illegalFormats),
> +				    GL_R8UI, GL_R8I, GL_R8, GL_R8_SNORM, 0);
> +		break;
> +	}
> +
> +	if (!piglit_check_gl_error(GL_NO_ERROR)) {
> +		printf("%s:%s Found gl errors prior to testing glTextureView\n",
> +				   TestName, __func__);
> +		pass = false;
> +		goto err_out;
> +	}
> +
> +	/* ensure TextureView of legal formats gives no gl error */
> +	pass = check_format_array(GL_NO_ERROR, numFormats, legalFormats,
> +			   target, tex, levels, layers) && pass;
> +
> +	/* ensure TextureView  of illegal formats returns an error */
> +	pass = check_format_array(GL_INVALID_OPERATION,
> +				  ARRAY_SIZE(illegalFormats), illegalFormats,
> +				  target, tex, levels, layers) && pass;
> +err_out:
> +	glDeleteTextures(1, &tex);
> +
> +	return pass;
> +}
> +
> +
> +enum piglit_result
> +piglit_display(void)
> +{
> +	return PIGLIT_FAIL;
> +}
> +
> +#define X(f, desc)					     	\
> +	do {							\
> +		const bool subtest_pass = (f);			\
> +		piglit_report_subtest_result(subtest_pass	\
> +					     ? PIGLIT_PASS : PIGLIT_FAIL, \
> +					     (desc));		\
> +		pass = pass && subtest_pass;			\
> +	} while (0)
> +
> +
> +void
> +piglit_init(int argc, char **argv)
> +{
> +	bool pass = true;
> +
> +	piglit_require_extension("GL_ARB_texture_storage");
> +	piglit_require_extension("GL_ARB_texture_view");
> +	piglit_require_extension("GL_EXT_texture_integer");
> +	piglit_require_extension("GL_ARB_texture_float");
> +	piglit_require_extension("GL_ARB_texture_cube_map");
> +
> +	X(test_format_errors(GL_VIEW_CLASS_128_BITS), "Format 128 bits validity");
> +	X(test_format_errors(GL_VIEW_CLASS_96_BITS), "Format 96 bits validity");
> +	X(test_format_errors(GL_VIEW_CLASS_64_BITS), "Format 64 bits validity");
> +	X(test_format_errors(GL_VIEW_CLASS_48_BITS), "Format 48 bits validity");
> +	X(test_format_errors(GL_VIEW_CLASS_32_BITS), "Format 32 bits validity");
> +	X(test_format_errors(GL_VIEW_CLASS_24_BITS), "Format 24 bits validity");
> +	X(test_format_errors(GL_VIEW_CLASS_16_BITS), "Format 16 bits validity");
> +	X(test_format_errors(GL_VIEW_CLASS_8_BITS), "Format 8 bits validity");
> +#undef X
> +	pass = piglit_check_gl_error(GL_NO_ERROR) && pass;
> +	piglit_report_result(pass ? PIGLIT_PASS : PIGLIT_FAIL);
> +
> +}
>



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