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