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  esextcDrawBuffersIndexedCoverage.hpp
26  * \brief Draw Buffers Indexed tests 1. Coverage
27  */ /*-------------------------------------------------------------------*/
28 
29 #include "esextcDrawBuffersIndexedCoverage.hpp"
30 #include "glwEnums.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  **/
DrawBuffersIndexedCoverage(Context & context,const ExtParameters & extParams,const char * name,const char * description)41 DrawBuffersIndexedCoverage::DrawBuffersIndexedCoverage(Context &context, const ExtParameters &extParams,
42                                                        const char *name, const char *description)
43     : TestCaseBase(context, extParams, name, description)
44 {
45     /* Left blank on purpose */
46 }
47 
init()48 void DrawBuffersIndexedCoverage::init()
49 {
50     if (!isExtensionSupported("GL_OES_draw_buffers_indexed"))
51     {
52         throw tcu::NotSupportedError(DRAW_BUFFERS_INDEXED_NOT_SUPPORTED);
53     }
54 }
55 
iterate()56 tcu::TestNode::IterateResult DrawBuffersIndexedCoverage::iterate()
57 {
58     const glw::Functions &gl = m_context.getRenderContext().getFunctions();
59 
60     // Check number of available draw buffers
61     glw::GLint maxDrawBuffers = 0;
62     gl.getIntegerv(GL_MAX_DRAW_BUFFERS, &maxDrawBuffers);
63     if (maxDrawBuffers < 4)
64     {
65         m_testCtx.setTestResult(QP_TEST_RESULT_FAIL, "Minimum number of draw buffers too low");
66         return STOP;
67     }
68 
69     // Check that all functions executed properly
70     glw::GLint valueI;
71     glw::GLint64 valueLI;
72     glw::GLboolean valueB;
73     for (int i = 0; i < maxDrawBuffers; ++i)
74     {
75         gl.enablei(GL_BLEND, i);
76         gl.disablei(GL_BLEND, i);
77 
78         gl.isEnabledi(GL_BLEND, i);
79         gl.colorMaski(i, GL_FALSE, GL_TRUE, GL_FALSE, GL_TRUE);
80         gl.blendEquationi(i, GL_MIN);
81         gl.blendEquationSeparatei(i, GL_MAX, GL_FUNC_SUBTRACT);
82         gl.blendFunci(i, GL_ZERO, GL_SRC_COLOR);
83         gl.blendFuncSeparatei(i, GL_CONSTANT_COLOR, GL_DST_ALPHA, GL_SRC_ALPHA, GL_ONE);
84 
85         gl.getIntegeri_v(GL_BLEND_DST_ALPHA, i, &valueI);
86         gl.getInteger64i_v(GL_BLEND_DST_ALPHA, i, &valueLI);
87         gl.getBooleani_v(GL_BLEND_SRC_RGB, i, &valueB);
88     }
89 
90     // Restore default state
91     gl.colorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
92     gl.blendEquation(GL_FUNC_ADD);
93     gl.blendFunc(GL_ONE, GL_ZERO);
94 
95     // Check for error
96     glw::GLenum error_code = gl.getError();
97     if (error_code != GL_NO_ERROR)
98     {
99         m_testCtx.setTestResult(QP_TEST_RESULT_FAIL, "Some functions generated error");
100         return STOP;
101     }
102 
103     m_testCtx.setTestResult(QP_TEST_RESULT_PASS, "Pass");
104     return STOP;
105 }
106 
107 } // namespace glcts
108