1 /*-------------------------------------------------------------------------
2 * drawElements Quality Program OpenGL ES 3.0 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 "es3pBlendTests.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 gles3
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 "#version 300 es\n"
90 "in highp vec4 a_position;\n"
91 "in mediump vec4 a_color;\n"
92 "out mediump vec4 v_color;\n"
93 "void main (void)\n"
94 "{\n"
95 " gl_Position = a_position;\n"
96 " v_color = a_color;\n"
97 "}\n";
98 m_fragShaderSource =
99 "#version 300 es\n"
100 "in mediump vec4 v_color;\n"
101 "layout(location = 0) out mediump vec4 o_color;\n"
102 "void main (void)\n"
103 "{\n"
104 " o_color = v_color;\n"
105 "}\n";
106
107 m_attributes.push_back(AttribSpec("a_color", Vec4(0.0f, 0.5f, 0.5f, 1.0f),
108 Vec4(0.5f, 1.0f, 0.0f, 0.5f),
109 Vec4(0.5f, 0.0f, 1.0f, 0.5f),
110 Vec4(1.0f, 0.5f, 0.5f, 0.0f)));
111
112 ShaderPerformanceCase::init();
113 }
114
setupRenderState(void)115 void BlendCase::setupRenderState (void)
116 {
117 const glw::Functions& gl = m_renderCtx.getFunctions();
118
119 gl.enable(GL_BLEND);
120 gl.blendEquationSeparate(m_modeRGB, m_modeAlpha);
121 gl.blendFuncSeparate(m_srcRGB, m_dstRGB, m_srcAlpha, m_dstAlpha);
122
123 GLU_EXPECT_NO_ERROR(gl.getError(), "After render state setup");
124 }
125
BlendTests(Context & context)126 BlendTests::BlendTests (Context& context)
127 : TestCaseGroup(context, "blend", "Blend Performance Tests")
128 {
129 }
130
~BlendTests(void)131 BlendTests::~BlendTests (void)
132 {
133 }
134
init(void)135 void BlendTests::init (void)
136 {
137 static const struct
138 {
139 const char* name;
140 GLenum modeRGB;
141 GLenum modeAlpha;
142 GLenum srcRGB;
143 GLenum dstRGB;
144 GLenum srcAlpha;
145 GLenum dstAlpha;
146 } cases[] =
147 {
148 // Single blend func, factor one.
149 { "add", GL_FUNC_ADD, GL_FUNC_ADD, GL_ONE, GL_ONE, GL_ONE, GL_ONE },
150 { "subtract", GL_FUNC_SUBTRACT, GL_FUNC_SUBTRACT, GL_ONE, GL_ONE, GL_ONE, GL_ONE },
151 { "reverse_subtract", GL_FUNC_REVERSE_SUBTRACT, GL_FUNC_REVERSE_SUBTRACT, GL_ONE, GL_ONE, GL_ONE, GL_ONE },
152 { "min", GL_MIN, GL_MIN, GL_ONE, GL_ONE, GL_ONE, GL_ONE },
153 { "max", GL_MAX, GL_MAX, GL_ONE, GL_ONE, GL_ONE, GL_ONE },
154
155 // Porter-duff modes that can be implemented.
156 { "dst_atop", GL_FUNC_ADD, GL_FUNC_ADD, GL_ONE_MINUS_DST_ALPHA, GL_SRC_ALPHA, GL_ONE, GL_ZERO },
157 { "dst_in", GL_FUNC_ADD, GL_FUNC_ADD, GL_ZERO, GL_SRC_ALPHA, GL_ZERO, GL_SRC_ALPHA },
158 { "dst_out", GL_FUNC_ADD, GL_FUNC_ADD, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA },
159 { "dst_over", GL_FUNC_ADD, GL_FUNC_ADD, GL_ONE_MINUS_DST_ALPHA, GL_ONE, GL_ONE, GL_ONE_MINUS_SRC_ALPHA },
160 { "src_atop", GL_FUNC_ADD, GL_FUNC_ADD, GL_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA, GL_ZERO, GL_ONE },
161 { "src_in", GL_FUNC_ADD, GL_FUNC_ADD, GL_DST_ALPHA, GL_ZERO, GL_DST_ALPHA, GL_ZERO },
162 { "src_out", GL_FUNC_ADD, GL_FUNC_ADD, GL_ONE_MINUS_DST_ALPHA, GL_ZERO, GL_ONE_MINUS_DST_ALPHA, GL_ZERO },
163 { "src_over", GL_FUNC_ADD, GL_FUNC_ADD, GL_ONE, GL_ONE_MINUS_SRC_ALPHA, GL_ONE, GL_ONE_MINUS_SRC_ALPHA },
164 { "multiply", GL_FUNC_ADD, GL_FUNC_ADD, GL_DST_COLOR, GL_ZERO, GL_DST_ALPHA, GL_ZERO },
165 { "screen", GL_FUNC_ADD, GL_FUNC_ADD, GL_ONE, GL_ONE_MINUS_SRC_COLOR, GL_ONE, GL_ONE_MINUS_SRC_ALPHA },
166
167 { "alpha_saturate", GL_FUNC_ADD, GL_FUNC_ADD, GL_SRC_ALPHA_SATURATE, GL_ONE, GL_ONE, GL_ONE },
168 };
169
170 for (int caseNdx = 0; caseNdx < DE_LENGTH_OF_ARRAY(cases); caseNdx++)
171 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));
172 }
173
174 } // Performance
175 } // gles3
176 } // deqp
177