[Piglit] [PATCH 08/15] arb_direct_state_access: Testing glClearNamedBufferSubData.

[Laura Ekstrand]

---
 tests/all.py                                       |   1 +
 .../spec/arb_direct_state_access/CMakeLists.gl.txt |   1 +
 .../clearnamedbuffersubdata-invalid-size.c         | 100 +++++++++++++++++++++
 3 files changed, 102 insertions(+)
 create mode 100644 tests/spec/arb_direct_state_access/clearnamedbuffersubdata-invalid-size.c

diff --git a/tests/all.py b/tests/all.py
index 7fbadea..dee8b3b 100644
--- a/tests/all.py
+++ b/tests/all.py
@@ -4425,6 +4425,7 @@ spec['ARB_direct_state_access']['texture-buffer-range'] = PiglitGLTest(['arb_dir
 spec['ARB_direct_state_access']['namedbufferstorage-persistent'] = PiglitGLTest(['arb_direct_state_access-namedbufferstorage-persistent'], run_concurrent=True)
 spec['ARB_direct_state_access']['namedbuffersubdata-vbo-sync'] = PiglitGLTest(['arb_direct_state_access-namedbuffersubdata-vbo-sync'], run_concurrent=True)
 spec['ARB_direct_state_access']['clearnamedbufferdata-invalid-internal-format'] = PiglitGLTest(['arb_direct_state_access-clearnamedbufferdata-invalid-internal-format'], run_concurrent=True)
+spec['ARB_direct_state_access']['clearnamedbuffersubdata-invalid-size'] = PiglitGLTest(['arb_direct_state_access-clearnamedbuffersubdata-invalid-size'], run_concurrent=True)
 
 profile.tests['hiz'] = hiz
 profile.tests['fast_color_clear'] = fast_color_clear
diff --git a/tests/spec/arb_direct_state_access/CMakeLists.gl.txt b/tests/spec/arb_direct_state_access/CMakeLists.gl.txt
index 6bdedbe..3afd698 100644
--- a/tests/spec/arb_direct_state_access/CMakeLists.gl.txt
+++ b/tests/spec/arb_direct_state_access/CMakeLists.gl.txt
@@ -12,6 +12,7 @@ link_libraries (
 piglit_add_executable (arb_direct_state_access-namedbufferstorage-persistent namedbufferstorage.c)
 piglit_add_executable (arb_direct_state_access-namedbuffersubdata-vbo-sync namedbuffersubdata-vbo-sync.c)
 piglit_add_executable (arb_direct_state_access-clearnamedbufferdata-invalid-internal-format clearnamedbufferdata-invalid-internal-format.c)
+piglit_add_executable (arb_direct_state_access-clearnamedbuffersubdata-invalid-size clearnamedbuffersubdata-invalid-size.c)
 piglit_add_executable (arb_direct_state_access-dsa-textures dsa-textures.c dsa-utils.c)
 piglit_add_executable (arb_direct_state_access-texturesubimage texturesubimage.c)
 piglit_add_executable (arb_direct_state_access-bind-texture-unit bind-texture-unit.c)
diff --git a/tests/spec/arb_direct_state_access/clearnamedbuffersubdata-invalid-size.c b/tests/spec/arb_direct_state_access/clearnamedbuffersubdata-invalid-size.c
new file mode 100644
index 0000000..a1557c6
--- /dev/null
+++ b/tests/spec/arb_direct_state_access/clearnamedbuffersubdata-invalid-size.c
@@ -0,0 +1,100 @@
+/*
+ * Copyright © 2014, 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.
+ */
+
+/**
+ * \file clearnamedbuffersubdata-invalid-size.c
+ *
+ * From the GL_ARB_clear_buffer_object spec:
+ * "If <offset> or <size> is less than zero, or if <offset> + <size> is greater
+ *  than the value of BUFFER_SIZE for the buffer bound to <target> then the
+ *  error INVALID_VALUE is generated."
+ * and
+ * "Both <offset> and <range> must be multiples of the number of basic machine
+ *  units per-element for that internal format specified by <internalformat>,
+ *  otherwise the error INVALID_VALUE is generated."
+ *
+ *  Adapted to test glClearNamedBufferSubData by Laura Ekstrand
+ *  <laura at jlekstrand.net>, January 2015.
+ */
+
+#include "piglit-util-gl.h"
+
+PIGLIT_GL_TEST_CONFIG_BEGIN
+
+	config.supports_gl_compat_version = 15;
+	config.supports_gl_core_version = 31;
+
+PIGLIT_GL_TEST_CONFIG_END
+
+static GLuint buffer;
+
+void
+piglit_init(int argc, char **argv)
+{
+	bool pass = true;
+	int i;
+	const int buffer_size = 1<<20;
+	static const char *const data_zero = "\x00\x00\x00\x00\x00\x00\x00\x00";
+	ptrdiff_t ranges[][2] = {
+		{-8, buffer_size},
+		{16, -8},
+		{buffer_size - 8, 16},
+
+		/* We're using GL_RGBA16 which is 8 bytes wide. */
+		{4, 8},
+		{8, 12},
+	};
+
+	piglit_require_extension("GL_ARB_clear_buffer_object");
+	piglit_require_extension("GL_ARB_direct_state_access");
+
+	/* Notice that I never bind the buffer. */
+	glCreateBuffers(1, &buffer);
+	glNamedBufferData(buffer, buffer_size, NULL, GL_STREAM_READ);
+
+	for (i = 0; i < ARRAY_SIZE(ranges); ++i) {
+		bool error;
+		pass = piglit_check_gl_error(GL_NO_ERROR) && pass;
+		printf("Testing ranges %d...\t", i);
+		glClearNamedBufferSubData(buffer, GL_RGBA16, ranges[i][0],
+					  ranges[i][1], GL_RGBA,
+					  GL_UNSIGNED_SHORT, data_zero);
+		error = piglit_check_gl_error(GL_INVALID_VALUE);
+		printf("%s\n", error ? "Passed." : "Failed!");
+		pass = error && pass;
+	}
+
+	glDeleteBuffers(1, &buffer);
+
+	pass = piglit_check_gl_error(GL_NO_ERROR) && pass;
+
+	piglit_report_result(pass ? PIGLIT_PASS : PIGLIT_FAIL);
+}
+
+
+enum piglit_result
+piglit_display(void)
+{
+	return PIGLIT_PASS;
+}
+
-- 
2.1.0