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 
32 namespace 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  **/
DrawBuffersIndexedSetGet(Context & context,const ExtParameters & extParams,const char * name,const char * description)41 DrawBuffersIndexedSetGet::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 
iterate()48 tcu::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