1/*-------------------------------------------------------------------------
2 * OpenGL Conformance Test Suite
3 * -----------------------------
4 *
5 * Copyright (c) 2015-2016 The Khronos Group Inc.
6 *
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
10 *
11 *      http://www.apache.org/licenses/LICENSE-2.0
12 *
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18 *
19 */ /*!
20 * \file
21 * \brief
22 */ /*-------------------------------------------------------------------*/
23
24/*!
25 * \file  esextcDrawBuffersIndexedSetGet.hpp
26 * \brief Draw Buffers Indexed tests 3. Set and get
27 */ /*-------------------------------------------------------------------*/
28
29#include "esextcDrawBuffersIndexedSetGet.hpp"
30#include "tcuTestLog.hpp"
31
32namespace glcts
33{
34
35/** Constructor
36 *
37 *  @param context     Test context
38 *  @param name        Test case's name
39 *  @param description Test case's description
40 **/
41DrawBuffersIndexedSetGet::DrawBuffersIndexedSetGet(Context& context, const ExtParameters& extParams, const char* name,
42												   const char* description)
43	: DrawBuffersIndexedBase(context, extParams, name, description)
44{
45	/* Left blank on purpose */
46}
47
48tcu::TestNode::IterateResult DrawBuffersIndexedSetGet::iterate()
49{
50	const glw::Functions& gl = m_context.getRenderContext().getFunctions();
51
52	// Check number of available draw buffers
53	glw::GLint maxDrawBuffers = 0;
54	gl.getIntegerv(GL_MAX_DRAW_BUFFERS, &maxDrawBuffers);
55	if (maxDrawBuffers < 4)
56	{
57		m_testCtx.setTestResult(QP_TEST_RESULT_FAIL, "Minimum number of draw buffers too low");
58		return STOP;
59	}
60
61	BlendMaskStateMachine state(m_context, m_testCtx.getLog(), maxDrawBuffers);
62
63	state.SetEnable();
64	state.SetColorMask(0, 0, 0, 0);
65	state.SetBlendEquation(GL_FUNC_SUBTRACT);
66	state.SetBlendFunc(GL_ONE_MINUS_CONSTANT_ALPHA, GL_SRC_ALPHA_SATURATE);
67	if (!state.CheckAll())
68	{
69		m_testCtx.setTestResult(QP_TEST_RESULT_FAIL, "Failed to change blending and color mask state");
70		return STOP;
71	}
72
73	state.SetDisablei(1);
74	state.SetColorMaski(1, 1, 1, 1, 1);
75	state.SetBlendEquationi(1, GL_MIN);
76	state.SetBlendFunci(1, GL_ONE_MINUS_DST_COLOR, GL_CONSTANT_ALPHA);
77	if (!state.CheckAll())
78	{
79		m_testCtx.setTestResult(QP_TEST_RESULT_FAIL, "Failed to change blending and color mask state");
80		return STOP;
81	}
82
83	state.SetBlendEquationSeparatei(2, GL_MAX, GL_FUNC_ADD);
84	state.SetBlendFuncSeparatei(2, GL_ZERO, GL_ONE, GL_SRC_COLOR, GL_DST_COLOR);
85	if (!state.CheckAll())
86	{
87		m_testCtx.setTestResult(QP_TEST_RESULT_FAIL, "Failed to change blending and color mask state");
88		return STOP;
89	}
90
91	state.SetDefaults();
92
93	// Check for error
94	glw::GLenum error_code = gl.getError();
95	if (error_code != GL_NO_ERROR)
96	{
97		m_testCtx.setTestResult(QP_TEST_RESULT_FAIL, "Some functions generated error");
98		return STOP;
99	}
100
101	m_testCtx.setTestResult(QP_TEST_RESULT_PASS, "Pass");
102	return STOP;
103}
104
105} // namespace glcts
106