1 /*-------------------------------------------------------------------------
2 * drawElements Quality Program OpenGL ES 2.0 Module
3 * -------------------------------------------------
4 *
5 * Copyright 2014 The Android Open Source Project
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 Blend performance tests.
22 *//*--------------------------------------------------------------------*/
23
24 #include "es2pBlendTests.hpp"
25 #include "glsShaderPerformanceCase.hpp"
26 #include "tcuTestLog.hpp"
27 #include "gluStrUtil.hpp"
28 #include "glwEnums.hpp"
29 #include "glwFunctions.hpp"
30
31 namespace deqp
32 {
33 namespace gles2
34 {
35 namespace Performance
36 {
37
38 using namespace gls;
39 using namespace glw; // GL types
40 using tcu::Vec4;
41 using tcu::TestLog;
42
43 class BlendCase : public ShaderPerformanceCase
44 {
45 public:
46 BlendCase (Context& context, const char* name, const char* description, GLenum modeRGB, GLenum modeAlpha, GLenum srcRGB, GLenum dstRGB, GLenum srcAlpha, GLenum dstAlpha);
47 ~BlendCase (void);
48
49 void init (void);
50
51 private:
52 void setupRenderState (void);
53
54 GLenum m_modeRGB;
55 GLenum m_modeAlpha;
56 GLenum m_srcRGB;
57 GLenum m_dstRGB;
58 GLenum m_srcAlpha;
59 GLenum m_dstAlpha;
60 };
61
BlendCase(Context & context,const char * name,const char * description,GLenum modeRGB,GLenum modeAlpha,GLenum srcRGB,GLenum dstRGB,GLenum srcAlpha,GLenum dstAlpha)62 BlendCase::BlendCase (Context& context, const char* name, const char* description, GLenum modeRGB, GLenum modeAlpha, GLenum srcRGB, GLenum dstRGB, GLenum srcAlpha, GLenum dstAlpha)
63 : ShaderPerformanceCase (context.getTestContext(), context.getRenderContext(), name, description, CASETYPE_FRAGMENT)
64 , m_modeRGB (modeRGB)
65 , m_modeAlpha (modeAlpha)
66 , m_srcRGB (srcRGB)
67 , m_dstRGB (dstRGB)
68 , m_srcAlpha (srcAlpha)
69 , m_dstAlpha (dstAlpha)
70 {
71 }
72
~BlendCase(void)73 BlendCase::~BlendCase (void)
74 {
75 }
76
init(void)77 void BlendCase::init (void)
78 {
79 TestLog& log = m_testCtx.getLog();
80
81 log << TestLog::Message << "modeRGB: " << glu::getBlendEquationStr(m_modeRGB) << TestLog::EndMessage;
82 log << TestLog::Message << "modeAlpha: " << glu::getBlendEquationStr(m_modeAlpha) << TestLog::EndMessage;
83 log << TestLog::Message << "srcRGB: " << glu::getBlendFactorStr(m_srcRGB) << TestLog::EndMessage;
84 log << TestLog::Message << "dstRGB: " << glu::getBlendFactorStr(m_dstRGB) << TestLog::EndMessage;
85 log << TestLog::Message << "srcAlpha: " << glu::getBlendFactorStr(m_srcAlpha) << TestLog::EndMessage;
86 log << TestLog::Message << "dstAlpha: " << glu::getBlendFactorStr(m_dstAlpha) << TestLog::EndMessage;
87
88 m_vertShaderSource =
89 "attribute highp vec4 a_position;\n"
90 "attribute mediump vec4 a_color;\n"
91 "varying mediump vec4 v_color;\n"
92 "void main (void)\n"
93 "{\n"
94 " gl_Position = a_position;\n"
95 " v_color = a_color;\n"
96 "}\n";
97 m_fragShaderSource =
98 "varying mediump vec4 v_color;\n"
99 "void main (void)\n"
100 "{\n"
101 " gl_FragColor = v_color;\n"
102 "}\n";
103
104 m_attributes.push_back(AttribSpec("a_color", Vec4(0.0f, 0.5f, 0.5f, 1.0f),
105 Vec4(0.5f, 1.0f, 0.0f, 0.5f),
106 Vec4(0.5f, 0.0f, 1.0f, 0.5f),
107 Vec4(1.0f, 0.5f, 0.5f, 0.0f)));
108
109 ShaderPerformanceCase::init();
110 }
111
setupRenderState(void)112 void BlendCase::setupRenderState (void)
113 {
114 const glw::Functions& gl = m_renderCtx.getFunctions();
115
116 gl.enable(GL_BLEND);
117 gl.blendEquationSeparate(m_modeRGB, m_modeAlpha);
118 gl.blendFuncSeparate(m_srcRGB, m_dstRGB, m_srcAlpha, m_dstAlpha);
119
120 GLU_EXPECT_NO_ERROR(gl.getError(), "After render state setup");
121 }
122
BlendTests(Context & context)123 BlendTests::BlendTests (Context& context)
124 : TestCaseGroup(context, "blend", "Blend Performance Tests")
125 {
126 }
127
~BlendTests(void)128 BlendTests::~BlendTests (void)
129 {
130 }
131
init(void)132 void BlendTests::init (void)
133 {
134 static const struct
135 {
136 const char* name;
137 GLenum modeRGB;
138 GLenum modeAlpha;
139 GLenum srcRGB;
140 GLenum dstRGB;
141 GLenum srcAlpha;
142 GLenum dstAlpha;
143 } cases[] =
144 {
145 // Single blend func, factor one.
146 { "add", GL_FUNC_ADD, GL_FUNC_ADD, GL_ONE, GL_ONE, GL_ONE, GL_ONE },
147 { "subtract", GL_FUNC_SUBTRACT, GL_FUNC_SUBTRACT, GL_ONE, GL_ONE, GL_ONE, GL_ONE },
148 { "reverse_subtract", GL_FUNC_REVERSE_SUBTRACT, GL_FUNC_REVERSE_SUBTRACT, GL_ONE, GL_ONE, GL_ONE, GL_ONE },
149
150 // Porter-duff modes that can be implemented.
151 { "dst_atop", GL_FUNC_ADD, GL_FUNC_ADD, GL_ONE_MINUS_DST_ALPHA, GL_SRC_ALPHA, GL_ONE, GL_ZERO },
152 { "dst_in", GL_FUNC_ADD, GL_FUNC_ADD, GL_ZERO, GL_SRC_ALPHA, GL_ZERO, GL_SRC_ALPHA },
153 { "dst_out", GL_FUNC_ADD, GL_FUNC_ADD, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA },
154 { "dst_over", GL_FUNC_ADD, GL_FUNC_ADD, GL_ONE_MINUS_DST_ALPHA, GL_ONE, GL_ONE, GL_ONE_MINUS_SRC_ALPHA },
155 { "src_atop", GL_FUNC_ADD, GL_FUNC_ADD, GL_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA, GL_ZERO, GL_ONE },
156 { "src_in", GL_FUNC_ADD, GL_FUNC_ADD, GL_DST_ALPHA, GL_ZERO, GL_DST_ALPHA, GL_ZERO },
157 { "src_out", GL_FUNC_ADD, GL_FUNC_ADD, GL_ONE_MINUS_DST_ALPHA, GL_ZERO, GL_ONE_MINUS_DST_ALPHA, GL_ZERO },
158 { "src_over", GL_FUNC_ADD, GL_FUNC_ADD, GL_ONE, GL_ONE_MINUS_SRC_ALPHA, GL_ONE, GL_ONE_MINUS_SRC_ALPHA },
159 { "multiply", GL_FUNC_ADD, GL_FUNC_ADD, GL_DST_COLOR, GL_ZERO, GL_DST_ALPHA, GL_ZERO },
160 { "screen", GL_FUNC_ADD, GL_FUNC_ADD, GL_ONE, GL_ONE_MINUS_SRC_COLOR, GL_ONE, GL_ONE_MINUS_SRC_ALPHA }
161 };
162
163 for (int caseNdx = 0; caseNdx < DE_LENGTH_OF_ARRAY(cases); caseNdx++)
164 addChild(new BlendCase(m_context, cases[caseNdx].name, "", cases[caseNdx].modeRGB, cases[caseNdx].modeAlpha, cases[caseNdx].srcRGB, cases[caseNdx].dstRGB, cases[caseNdx].srcAlpha, cases[caseNdx].dstAlpha));
165 }
166
167 } // Performance
168 } // gles2
169 } // deqp
170