arb_direct_state_access: Add a compatibility-profile test

This tests behavior specific to the compatibility profile.

v2: Fix compiler warnings.
    Remove a double-negative in a comment.
    Whitespace fixes.

Reviewed-by: Laura Ekstrand <laura@jlekstrand.net>

3 files changed, 201 insertions, 0 deletions

diff --git a/tests/all.py b/tests/all.py
index e85763e3a..0dbb59dc6 100755
--- a/tests/all.py
+++ b/tests/all.py
@@ -4290,6 +4290,7 @@ with profile.group_manager(
     g(['arb_direct_state_access-vao-vertex-buffers'], 'vao-vertex-buffers')
     g(['arb_direct_state_access-vao-get'], 'vao-get')
     g(['arb_direct_state_access-vao-core'], 'vao-core')
+    g(['arb_direct_state_access-vao-compat'], 'vao-compat')
 
 with profile.group_manager(
         PiglitGLTest,
diff --git a/tests/spec/arb_direct_state_access/CMakeLists.gl.txt b/tests/spec/arb_direct_state_access/CMakeLists.gl.txt
index bc610b649..5dd4835a7 100644
--- a/tests/spec/arb_direct_state_access/CMakeLists.gl.txt
+++ b/tests/spec/arb_direct_state_access/CMakeLists.gl.txt
@@ -46,4 +46,5 @@ piglit_add_executable (arb_direct_state_access-vao-vertex-buffer vao-vertex-buff
 piglit_add_executable (arb_direct_state_access-vao-vertex-buffers vao-vertex-buffers.c dsa-utils.c)
 piglit_add_executable (arb_direct_state_access-vao-get vao-get.c)
 piglit_add_executable (arb_direct_state_access-vao-core vao-core.c dsa-utils.c)
+piglit_add_executable (arb_direct_state_access-vao-compat vao-compat.c dsa-utils.c)
 # vim: ft=cmake:
diff --git a/tests/spec/arb_direct_state_access/vao-compat.c b/tests/spec/arb_direct_state_access/vao-compat.c
new file mode 100644
index 000000000..7d51b5010
--- /dev/null
+++ b/tests/spec/arb_direct_state_access/vao-compat.c
@@ -0,0 +1,199 @@
+/*
+ * Copyright (C) 2015 Fredrik Höglund
+ *
+ * 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
+ * on the rights to use, copy, modify, merge, publish, distribute, sub
+ * license, 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 NON-INFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS AND/OR THEIR SUPPLIERS 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 vao-compat.c
+ *
+ * Tests behavior specific to the compatibility profile.
+ */
+
+#include "piglit-util-gl.h"
+#include "dsa-utils.h"
+
+
+PIGLIT_GL_TEST_CONFIG_BEGIN
+
+	config.supports_gl_compat_version = 20;
+
+	config.window_visual = PIGLIT_GL_VISUAL_RGB | PIGLIT_GL_VISUAL_DOUBLE;
+
+PIGLIT_GL_TEST_CONFIG_END
+
+
+enum piglit_result
+piglit_display(void)
+{
+	/* unreached */
+	return PIGLIT_FAIL;
+}
+
+
+/**
+ * Calls all DSA functions on the given vaobj, with valid parameters
+ * and checks that expected_error is generated.
+ */
+static bool
+test_all_functions(GLuint vaobj, GLenum expected_error)
+{
+	GLint value;
+	GLint64 value64;
+	bool pass = true;
+
+	glDisableVertexArrayAttrib(vaobj, 0);
+	pass = piglit_check_gl_error(expected_error) && pass;
+
+	glEnableVertexArrayAttrib(vaobj, 0);
+	pass = piglit_check_gl_error(expected_error) && pass;
+
+	glVertexArrayElementBuffer(vaobj, 0);
+	pass = piglit_check_gl_error(expected_error) && pass;
+
+	glVertexArrayVertexBuffer(vaobj, 0, 0, 0, 0);
+	pass = piglit_check_gl_error(expected_error) && pass;
+
+	glVertexArrayVertexBuffers(vaobj, 0, 1, NULL, NULL, NULL);
+	pass = piglit_check_gl_error(expected_error) && pass;
+
+	glVertexArrayAttribFormat(vaobj, 0, 4, GL_FLOAT, GL_FALSE, 0);
+	pass = piglit_check_gl_error(expected_error) && pass;
+
+	if (piglit_get_gl_version() >= 30) {
+	    glVertexArrayAttribIFormat(vaobj, 0, 4, GL_INT, 0);
+	    pass = piglit_check_gl_error(expected_error) && pass;
+	}
+
+	if (piglit_is_extension_supported("GL_ARB_vertex_attrib_64bit")) {
+		glVertexArrayAttribLFormat(vaobj, 0, 4, GL_DOUBLE, 0);
+		pass = piglit_check_gl_error(expected_error) && pass;
+	}
+
+	glVertexArrayAttribBinding(vaobj, 0, 4);
+	pass = piglit_check_gl_error(expected_error) && pass;
+
+	if (piglit_is_extension_supported("GL_ARB_instanced_arrays")) {
+		glVertexArrayBindingDivisor(vaobj, 0, 1);
+		pass = piglit_check_gl_error(expected_error) && pass;
+	}
+
+	glGetVertexArrayiv(vaobj, GL_ELEMENT_ARRAY_BUFFER_BINDING, &value);
+	pass = piglit_check_gl_error(expected_error) && pass;
+
+	glGetVertexArrayIndexediv(vaobj, 0, GL_VERTEX_ATTRIB_ARRAY_ENABLED,
+	                          &value);
+	pass = piglit_check_gl_error(expected_error) && pass;
+
+	glGetVertexArrayIndexed64iv(vaobj, 0, GL_VERTEX_BINDING_OFFSET,
+	                            &value64);
+	pass = piglit_check_gl_error(expected_error) && pass;
+
+	return pass;
+}
+
+
+void
+piglit_init(int argc, char *argv[])
+{
+	GLuint vao;
+	GLuint buffer;
+	bool pass = true;
+
+	piglit_require_extension("GL_ARB_direct_state_access");
+	piglit_require_extension("GL_ARB_vertex_array_object");
+	piglit_require_extension("GL_ARB_vertex_attrib_binding");
+
+	/* vaobj must be a generated name */
+	pass = test_all_functions(1, GL_INVALID_OPERATION) && pass;
+
+	/* vaobj must be an existing vertex array object */
+	glGenVertexArrays(1, &vao);
+	pass = test_all_functions(vao, GL_INVALID_OPERATION) && pass;
+
+	/* vaobj is allowed to be zero in the compatibility profile */
+	pass = test_all_functions(0, GL_NO_ERROR) && pass;
+
+	/* Create the VAO */
+	glBindVertexArray(vao);
+
+	/* VertexArrayElementBuffer and VertexArrayVertexBuffers
+	 * do not accept non-generated buffer names...
+	 */
+	buffer = 1;
+	glVertexArrayElementBuffer(vao, buffer);
+	pass = piglit_check_gl_error(GL_INVALID_OPERATION) && pass;
+	pass = !glIsBuffer(buffer) && pass;
+
+	buffer = 2;
+	{
+		const GLuint   buffers[] = { buffer };
+		const GLintptr offsets[] = { 0 };
+		const GLsizei  strides[] = { 0 };
+
+		glVertexArrayVertexBuffers(vao, 0, 1,
+		                           buffers, offsets, strides);
+		pass = piglit_check_gl_error(GL_INVALID_OPERATION) && pass;
+		pass = !glIsBuffer(buffer) && pass;
+	}
+
+	/* ...but VertexArrayVertexBuffer does. */
+	buffer = 3;
+	glVertexArrayVertexBuffer(vao, 0, buffer, 0, 0);
+	pass = piglit_check_gl_error(GL_NO_ERROR) && pass;
+	pass = check_vbo_binding(vao, 0, buffer, 0, 0) && pass;
+	pass = glIsBuffer(buffer) && pass;
+	glDeleteBuffers(1, &buffer);
+
+	/* VertexArrayElementBuffer and VertexArrayVertexBuffers do not
+	 * create buffer objects...
+	 */
+	glGenBuffers(1, &buffer);
+	glVertexArrayElementBuffer(vao, buffer);
+	pass = piglit_check_gl_error(GL_INVALID_OPERATION) && pass;
+	pass = !glIsBuffer(buffer) && pass;
+	glDeleteBuffers(1, &buffer);
+
+	glGenBuffers(1, &buffer);
+	{
+		const GLuint   buffers[] = { buffer };
+		const GLintptr offsets[] = { 0 };
+		const GLsizei  strides[] = { 0 };
+
+		glVertexArrayVertexBuffers(vao, 0, 1,
+		                           buffers, offsets, strides);
+		pass = piglit_check_gl_error(GL_INVALID_OPERATION) && pass;
+		pass = !glIsBuffer(buffer) && pass;
+	}
+	glDeleteBuffers(1, &buffer);
+
+	/* ...but VertexArrayVertexBuffer does */
+	glGenBuffers(1, &buffer);
+	glVertexArrayVertexBuffer(vao, 0, buffer, 16, 32);
+	pass = piglit_check_gl_error(GL_NO_ERROR) && pass;
+	pass = check_vbo_binding(vao, 0, buffer, 16, 32) && pass;
+	pass = glIsBuffer(buffer) && pass;
+	glDeleteBuffers(1, &buffer);
+
+	glDeleteVertexArrays(1, &vao);
+
+	piglit_report_result(pass ? PIGLIT_PASS : PIGLIT_FAIL);
+}
+