static bool
test_tes_layout(const char *const layout1, const char *const layout2,
		const char *const layout_name)
{
	unsigned int prog;
	bool link_status;

	sprintf(tes_source1, tes_source_template, layout1, 1);
	sprintf(tes_source2, tes_source_template, layout2, 2);

	prog = piglit_build_simple_program_unlinked_multiple_shaders(
			GL_VERTEX_SHADER, vs_source,
			GL_TESS_CONTROL_SHADER, tcs_source_main,
			GL_TESS_EVALUATION_SHADER, tes_source_main_no_pm,
			GL_TESS_EVALUATION_SHADER, tes_source1,
			GL_TESS_EVALUATION_SHADER, tes_source2,
			GL_FRAGMENT_SHADER, fs_source,
			0);
	glLinkProgram(prog);
	link_status = piglit_link_check_status_quiet(prog);
	glDeleteProgram(prog);

	if (link_status && (layout1 != layout2)) {
		fprintf(stderr, "Program with different %s "
			"specifications linked succesfully\n", layout_name);
		return false;
	}
	if (!link_status && (layout1 == layout2)) {
		fprintf(stderr, "Program with identical %s "
			"specifications failed to link\n", layout_name);
		return false;
	}

	return true;
}
Exemple #2
0
static GLuint
build_shaders(const char *vs_prefix, int vs_blocks,
	      const char *fs_prefix, int fs_blocks)
{
	char *vs_source, *fs_source;
	GLuint vs, fs, prog;

	vs_source = get_shader(GL_VERTEX_SHADER, vs_prefix, vs_blocks);
	fs_source = get_shader(GL_FRAGMENT_SHADER, fs_prefix, fs_blocks);

	vs = piglit_compile_shader_text(GL_VERTEX_SHADER, vs_source);
	fs = piglit_compile_shader_text(GL_FRAGMENT_SHADER, fs_source);

	prog = glCreateProgram();
	glAttachShader(prog, vs);
	glAttachShader(prog, fs);
	glLinkProgram(prog);

	if (!piglit_link_check_status_quiet(prog)) {
		glDeleteProgram(prog);
		prog = 0;
	}

	glDeleteShader(vs);
	glDeleteShader(fs);

	return prog;
}
void
piglit_init(int argc, char **argv)
{
	GLint ok;
	GLuint prog;
	GLuint vs;

	if (piglit_get_gl_version() < 20) {
		printf("Requires OpenGL 2.0\n");
		piglit_report_result(PIGLIT_SKIP);
	}

	vs = piglit_compile_shader_text(GL_VERTEX_SHADER, bad_vs_text);
	prog = glCreateProgram();
	glAttachShader(prog, vs);
	glLinkProgram(prog);
	glDeleteShader(vs);

	ok = piglit_link_check_status_quiet(prog);
	if (ok) {
		fprintf(stderr,
			"Linking with unresolved symbol succeeded when it "
			"should have failed.\n");
		piglit_report_result(PIGLIT_FAIL);
	}

	piglit_report_result(PIGLIT_PASS);
}
void
piglit_init(int argc, char **argv)
{
	const char *glsl_version_string;
	float glsl_version;
	GLint ok;
	GLuint prog;
	GLuint vs;
	GLuint fs;


	piglit_require_GLSL();

	glsl_version_string = (char *)
		glGetString(GL_SHADING_LANGUAGE_VERSION);
	glsl_version = (glsl_version_string == NULL)
		? 0.0 : strtod(glsl_version_string, NULL);
	if (glsl_version <= 1.299999) {
		printf("Test requires GLSL version >= 1.3.  "
		       "Actual version is %.1f.\n",
		       glsl_version);
		piglit_report_result(PIGLIT_SKIP);
	}

	vs = piglit_compile_shader_text(GL_VERTEX_SHADER, vert);
	fs = piglit_compile_shader_text(GL_FRAGMENT_SHADER, frag);
	prog = glCreateProgram();
	glAttachShader(prog, vs);
	glAttachShader(prog, fs);
	glLinkProgram(prog);
	glDeleteShader(vs);
	glDeleteShader(fs);

	ok = piglit_link_check_status_quiet(prog);
	if (ok) {
		fprintf(stderr,
			"Linking with a shader that accesses both "
			"gl_ClipDistance and gl_ClipVertex succeeded when it "
			"should have failed.\n");
		piglit_report_result(PIGLIT_FAIL);
	}

	piglit_report_result(PIGLIT_PASS);
}
void piglit_init(int argc, char **argv)
{
	GLint vert;
	GLint prog;
	GLboolean ok;

	piglit_require_gl_version(20);

	piglit_require_extension("GL_ARB_explicit_attrib_location");

	vert = piglit_compile_shader(GL_VERTEX_SHADER,
				      "shaders/glsl-explicit-location-04.vert");
	prog = glCreateProgram();
	glAttachShader(prog, vert);
	glLinkProgram(prog);

	ok = piglit_link_check_status_quiet(prog);
	if (ok)
		fprintf(stderr,
			"Linking with invalid explicit attribute location "
			"succeeded when it should have failed.\n");

	piglit_report_result(!ok ? PIGLIT_PASS : PIGLIT_FAIL);
}
void piglit_init(int argc, char **argv)
{
	GLint program;
	bool expect = false;
	bool result;
	unsigned i;
	const char *invalid_file = NULL;

	piglit_require_gl_version(20);

	piglit_require_GLSL();
	program = glCreateProgram();

	for (i = 1; i < argc; i++) {
		size_t len;
		GLint shader;
		GLenum target;

		if (strcmp(argv[i], "pass") == 0) {
			expect = true;
			break;
		}

		if (strcmp(argv[i], "fail") == 0) {
			expect = false;
			break;
		}

		/* Expect that the name is at least one character plus
		 * ".vert", ".geom", or ".frag"
		 */
		len = strlen(argv[i]);
		if (len < 6) {
			invalid_file = argv[i];
			break;
		}

		if (strcmp(argv[i] + len - 5, ".vert") == 0) {
			target = GL_VERTEX_SHADER;
		} else if (strcmp(argv[i] + len - 5, ".geom") == 0) {
			target = GL_GEOMETRY_SHADER;
			if (piglit_get_gl_version() < 32 && !piglit_is_extension_supported("GL_ARB_geometry_shader4")) {
				printf("Requires geometry shaders.\n");
				piglit_report_result(PIGLIT_SKIP);
			}
		} else if (strcmp(argv[i] + len - 5, ".frag") == 0) {
			target = GL_FRAGMENT_SHADER;
		} else {
			invalid_file = argv[i];
			break;
		}

		shader = piglit_compile_shader(target, argv[i]);
		glAttachShader(program, shader);
		glDeleteShader(shader);
	}

	/* The loop above will break when an option of either 'pass' or 'fail'
	 * is encountered.  If this happens at the last commandline argument,
	 * the loop counter will be (argc-1).  Any other value is an error.
	 */
	if (i != (argc - 1)) {
		fprintf(stderr, "Last command line option must be either "
			"\"pass\" or \"fail\".\n");
		piglit_report_result(PIGLIT_FAIL);
	}

	if (invalid_file != NULL) {
		fprintf(stderr, "Invalid shader file name \"%s\".\n",
			invalid_file);
		piglit_report_result(PIGLIT_FAIL);
	}

	glLinkProgram(program);

	result = piglit_link_check_status_quiet(program);
	if (result != expect)
		fprintf(stderr,
			"Program should have %s linking, but "
			"it was (incorrectly) %s.\n",
			expect ? "succeeded" : "failed",
			expect ? "unsuccesful" : "succesful");

	piglit_report_result((result == expect) ? PIGLIT_PASS : PIGLIT_FAIL);
}
Exemple #7
0
enum piglit_result
piglit_display(void)
{
	const char *vs_ssbo_template =
		"#version 130\n"
		"#extension GL_ARB_shader_storage_buffer_object : enable\n"
		"#extension GL_ARB_uniform_buffer_object : enable\n"
		"\n"
		"varying vec4 vary;"
		"in vec4 piglit_vertex;\n"
		"\n"
		"layout(std140) buffer ssbo {\n"
		"	vec4 v[%d];\n"
		"};\n"
		"uniform int i;\n"
		"\n"
		"void main() {\n"
		"	gl_Position = piglit_vertex;\n"
		"	vary = v[i];\n"
		"}\n";

	const char *fs_template =
		"#version 130\n"
		"#extension GL_ARB_shader_storage_buffer_object : enable\n"
		"\n"
		"varying vec4 vary;"
		"\n"
		"void main() {\n"
		"	gl_FragColor = vary;\n"
		"}\n";

	const char *vs_template =
		"#version 130\n"
		"#extension GL_ARB_shader_storage_buffer_object : enable\n"
		"in vec4 piglit_vertex;\n"
		"\n"
		"void main() {\n"
		"	gl_Position = piglit_vertex;\n"
		"}\n";

	const char *fs_ssbo_template =
		"#version 130\n"
		"#extension GL_ARB_shader_storage_buffer_object : enable\n"
		"#extension GL_ARB_uniform_buffer_object : enable\n"
		"\n"
		"layout(std140) buffer ssbo {\n"
		"	vec4 v[%d];\n"
		"};\n"
		"uniform int i;\n"
		"\n"
		"void main() {\n"
		"	gl_FragColor = v[i];\n"
		"}\n";

	char *vs_source, *fs_source;
	GLint max_size, vec4s, i_location;
	GLuint vs, fs, prog, bo;
	GLenum target;
	float *data;
	size_t size;
	bool pass = true;
	bool link_should_fail;
	const float green[4] = { 0, 1, 0, 0 };
	int test_index;

	piglit_require_extension("GL_ARB_shader_storage_buffer_object");
	piglit_require_extension("GL_ARB_uniform_buffer_object");

	glGetIntegerv(GL_MAX_SHADER_STORAGE_BLOCK_SIZE, &max_size);
	printf("Max shader storage block size: %d\n", max_size);
	vec4s = max_size / 4 / 4;

	switch (mode) {
	case VS:
		target = GL_VERTEX_SHADER;
		link_should_fail = false;
		test_index = vec4s - 1;
		break;
	case VS_EXCEED:
		target = GL_VERTEX_SHADER;
		link_should_fail = true;
		vec4s++;
		test_index = vec4s - 2;
		break;
	case FS:
		target = GL_FRAGMENT_SHADER;
		link_should_fail = false;
		test_index = vec4s - 1;
		break;
	case FS_EXCEED:
		target = GL_FRAGMENT_SHADER;
		link_should_fail = true;
		vec4s++;
		test_index = vec4s - 2;
		break;
	default:
		assert(false);
		target = GL_NONE;
		link_should_fail = false;
	}

	switch (target) {
	case GL_VERTEX_SHADER:
		(void)!asprintf(&vs_source, vs_ssbo_template, vec4s);
		(void)!asprintf(&fs_source, "%s", fs_template);
		printf("Testing VS with shader storage block vec4 v[%d]\n", vec4s);
		break;
	case GL_FRAGMENT_SHADER:
		(void)!asprintf(&vs_source, "%s", vs_template);
		(void)!asprintf(&fs_source, fs_ssbo_template, vec4s);
		printf("Testing FS with shader storage block vec4 v[%d]\n", vec4s);
		break;
	default:
		piglit_report_result(PIGLIT_FAIL);
	}

	vs = piglit_compile_shader_text(GL_VERTEX_SHADER, vs_source);
	fs = piglit_compile_shader_text(GL_FRAGMENT_SHADER, fs_source);

	prog = glCreateProgram();
	glAttachShader(prog, vs);
	glAttachShader(prog, fs);
	glLinkProgram(prog);

	if (link_should_fail) {
		if (!piglit_link_check_status_quiet(prog)) {
			printf("Failed to link with shader storage block vec4 "
			       "v[%d]\n", vec4s);
			piglit_report_result(PIGLIT_PASS);
		}
	} else {
		if (!piglit_link_check_status_quiet(prog)) {
			fprintf(stderr,
				"Failed to link with shader storage block vec4 "
				"v[%d]\n", vec4s);
			return PIGLIT_FAIL;
		}
	}

	size = vec4s * 4 * sizeof(float);
	glGenBuffers(1, &bo);
	glBindBuffer(GL_SHADER_STORAGE_BUFFER, bo);
	glBufferData(GL_SHADER_STORAGE_BUFFER, size, NULL, GL_DYNAMIC_DRAW);
	data = glMapBuffer(GL_SHADER_STORAGE_BUFFER, GL_READ_WRITE);
	memset(data, 0, size);

	/* The whole shader storage buffer will be zeros, except for the
	 * entry at v[test_index] which will be green.
	 */
	data[test_index * 4 + 0] = green[0];
	data[test_index * 4 + 1] = green[1];
	data[test_index * 4 + 2] = green[2];
	data[test_index * 4 + 3] = green[3];
	glUnmapBuffer(GL_SHADER_STORAGE_BUFFER);

	glUseProgram(prog);
	i_location = glGetUniformLocation(prog, "i");
	glUniform1i(i_location, test_index);

	glShaderStorageBlockBinding(prog, 0, 0);
	glBindBufferBase(GL_SHADER_STORAGE_BUFFER, 0, bo);
	piglit_draw_rect(-1, -1, 2, 2);

	pass = piglit_probe_rect_rgba(0, 0, piglit_width, piglit_height, green);

	glDeleteProgram(prog);

	piglit_present_results();

	return pass ? PIGLIT_PASS : PIGLIT_FAIL;
}
static bool
draw(int num_varyings)
{
	int data_varying;
	float vertex[4][4] = { {0.0, 0.0, 0.0, 1.0},
			       {0.0, 0.0, 0.0, 1.0},
			       {0.0, 0.0, 0.0, 1.0},
			       {0.0, 0.0, 0.0, 1.0} };
	float green[4][4] = { {0.0, 1.0, 0.0, 0.0},
			      {0.0, 1.0, 0.0, 0.0},
			      {0.0, 1.0, 0.0, 0.0},
			      {0.0, 1.0, 0.0, 0.0} };
	float red[4][4] = { {1.0, 0.0, 0.0, 0.0},
			    {1.0, 0.0, 0.0, 0.0},
			    {1.0, 0.0, 0.0, 0.0},
			    {1.0, 0.0, 0.0, 0.0} };

	glVertexAttribPointer(0, 4, GL_FLOAT, GL_FALSE, 4 * sizeof(float),
			      vertex);
	glVertexAttribPointer(1, 4, GL_FLOAT, GL_FALSE, 4 * sizeof(float),
			      green);
	glVertexAttribPointer(2, 4, GL_FLOAT, GL_FALSE, 4 * sizeof(float),
			      red);
	glEnableVertexAttribArray(0);
	glEnableVertexAttribArray(1);
	glEnableVertexAttribArray(2);

	for (data_varying = 0; data_varying < num_varyings; data_varying++) {
		GLuint prog, vs, fs;
		GLint loc;
		float x, y;

		vs = get_vs(num_varyings, data_varying);
		fs = get_fs(num_varyings, data_varying);

		prog = glCreateProgram();
		glAttachShader(prog, vs);
		glAttachShader(prog, fs);

		glBindAttribLocation(prog, 0, "vertex");
		glBindAttribLocation(prog, 1, "green");
		glBindAttribLocation(prog, 2, "red");

		glLinkProgram(prog);
		if (!piglit_link_check_status_quiet(prog)) {
			if (num_varyings > max_varyings) {
				printf("Failed to link with %d out of %d "
				       "varyings used\n",
				       num_varyings, max_varyings);
				return false;
			} else {
				piglit_report_result(PIGLIT_FAIL);
			}
		}

		glUseProgram(prog);

		loc = glGetUniformLocation(prog, "zero");
		if (loc != -1) /* not used for num_varyings == 1 */
			glUniform1f(loc, 0.0);

		loc = glGetUniformLocation(prog, "one");
		assert(loc != -1); /* should always be used */
		glUniform1f(loc, 1.0);

		x = coord_from_index(data_varying);
		y = coord_from_index(num_varyings - 1);
		vertex[0][0] = x;
		vertex[0][1] = y;
		vertex[1][0] = x + 2;
		vertex[1][1] = y;
		vertex[2][0] = x;
		vertex[2][1] = y + 2;
		vertex[3][0] = x + 2;
		vertex[3][1] = y + 2;
		glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);

		glDeleteShader(vs);
		glDeleteShader(fs);
		glDeleteProgram(prog);
	}

	return true;
}
void
piglit_init(int argc, char **argv)
{
	enum piglit_result result = PIGLIT_PASS;
	GLenum err;
	GLint ok;
	GLuint prog;
	GLuint vs;

	if (piglit_get_gl_version() < 20) {
		printf("Requires OpenGL 2.0\n");
		piglit_report_result(PIGLIT_SKIP);
	}

	piglit_require_extension("GL_EXT_separate_shader_objects");

	printf("Trying shader with unresolved external symbol...\n");
	vs = piglit_compile_shader_text(GL_VERTEX_SHADER, bad_vs_text);
	prog = glCreateProgram();
	glAttachShader(prog, vs);
	glLinkProgram(prog);
	glDeleteShader(vs);

	ok = piglit_link_check_status_quiet(prog);
	if (ok) {
		fprintf(stderr,
			"Linking with unresolved symbol succeeded when it "
			"should have failed.\n");
		piglit_report_result(PIGLIT_FAIL);
	}

	/* There shouldn't be any GL errors, but clear them all just to be
	 * sure.
	 */
	while (glGetError() != 0)
		/* empty */ ;

	/* The specified program is not linked.  This should generate
	 * the error GL_INVALID_OPERATION.
	 */
	glActiveProgramEXT(prog);

	err = glGetError();
	if (err != GL_INVALID_OPERATION) {
		printf("Unexpected OpenGL error state 0x%04x for "
		       "glActiveProgramEXT called with\n"
		       "an unlinked shader program (expected 0x%04x).\n",
		       err, GL_INVALID_OPERATION);
		result = PIGLIT_FAIL;
	}

	glDeleteProgram(prog);
	glUseProgram(0);

	/* Try again with a shader program that could be linked but wasn't.
	 */
	printf("Trying unlinked, valid shader...\n");
	vs = piglit_compile_shader_text(GL_VERTEX_SHADER, good_vs_text);
	prog = glCreateProgram();
	glAttachShader(prog, vs);
	glDeleteShader(vs);

	/* There shouldn't be any GL errors, but clear them all just to be
	 * sure.
	 */
	while (glGetError() != 0)
		/* empty */ ;

	/* The specified program is not linked.  This should generate
	 * the error GL_INVALID_OPERATION.
	 */
	glActiveProgramEXT(prog);

	err = glGetError();
	if (err != GL_INVALID_OPERATION) {
		printf("Unexpected OpenGL error state 0x%04x for "
		       "glActiveProgramEXT called with\n"
		       "an unlinked shader program (expected 0x%04x).\n",
		       err, GL_INVALID_OPERATION);
		result = PIGLIT_FAIL;
	}

	glDeleteProgram(prog);
	glUseProgram(0);

	piglit_report_result(result);
}
void
piglit_init(int argc, char **argv)
{
	bool pass = true;
	GLuint vs = 0, gs = 0;
	int i;

	prog = glCreateProgram();
	vs = piglit_compile_shader_text(GL_VERTEX_SHADER, vstext);
	gs = piglit_compile_shader_text(GL_GEOMETRY_SHADER, gstext);
	glAttachShader(prog, vs);
	glAttachShader(prog, gs);

	/* check that invalid_varying_names fail to link */
	for (i = 0; i < ARRAY_SIZE(invalid_varying_names); i++) {
		glTransformFeedbackVaryings(prog,
					    1,
					    &invalid_varying_names[i],
					    GL_INTERLEAVED_ATTRIBS);
		glLinkProgram(prog);
		if (piglit_link_check_status_quiet(prog)) {
			printf("%s is not valid but it was allowed.\n",
				invalid_varying_names[i]);
			pass = false;
		}
	}

	/* check that valid_varying_names link properly */
	glTransformFeedbackVaryings(prog,
				    ARRAY_SIZE(valid_varying_names),
				    valid_varying_names,
				    GL_INTERLEAVED_ATTRIBS);
	glLinkProgram(prog);
	if (!piglit_link_check_status(prog)) {
		glDeleteProgram(prog);
		printf("Transform feedback varyings failed to link properly"
			" with valid names.\n");
		piglit_report_result(PIGLIT_FAIL);
	}

	glUseProgram(prog);

	for (i = 0; i < ARRAY_SIZE(valid_varying_names); i++) {
		char varName[50];
		GLsizei nameLength = 0, varSize = 0;
		GLenum varType = GL_NONE;
		glGetTransformFeedbackVarying(  prog,
						i,
						sizeof(varName),
						&nameLength,
						&varSize,
						&varType,
						varName);
		printf("Name: %s\t\tType: %s\n",
			varName, piglit_get_gl_enum_name(varType));
	}

	pass = piglit_check_gl_error(GL_NO_ERROR) && pass;

	piglit_report_result(pass ? PIGLIT_PASS : PIGLIT_FAIL);
}