1 /*-------------------------------------------------------------------------
2 * OpenGL Conformance Test Suite
3 * -----------------------------
4 *
5 * Copyright (c) 2014-2016 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 esextcGPUShader5SSBOArrayIndexing.cpp
26 * \brief GPUShader5 SSBO Array Indexing (Test 5)
27 */ /*-------------------------------------------------------------------*/
28
29 #include "esextcGPUShader5SSBOArrayIndexing.hpp"
30 #include "gluContextInfo.hpp"
31 #include "gluDefs.hpp"
32 #include "glwEnums.hpp"
33 #include "glwFunctions.hpp"
34 #include "tcuTestLog.hpp"
35 #include <cstring>
36
37 namespace glcts
38 {
39
40 /* Compute shader code */
41 const char *GPUShader5SSBOArrayIndexing::m_compute_shader_code =
42 "${VERSION}\n"
43 "\n"
44 "${GPU_SHADER5_REQUIRE}\n"
45 "\n"
46 "#define LOCAL_SIZE_X 3u\n"
47 "#define LOCAL_SIZE_Y 3u\n"
48 "\n"
49 "layout (local_size_x = LOCAL_SIZE_X, local_size_y = LOCAL_SIZE_Y) in;\n"
50 "\n"
51 "layout(binding = 0) buffer ComputeSSBO\n"
52 "{\n"
53 " uint value;\n"
54 "} computeSSBO[4];\n"
55 "\n"
56 "uniform uint index;\n"
57 "\n"
58 "void main(void)\n"
59 "{\n"
60 " uint id = gl_LocalInvocationID.x * LOCAL_SIZE_Y + gl_LocalInvocationID.y;\n"
61 "\n"
62 " for (uint i = 0u; i < LOCAL_SIZE_X * LOCAL_SIZE_Y; ++i)\n"
63 " {\n"
64 " if (id == i)\n"
65 " {\n"
66 " computeSSBO[index].value += id;\n"
67 " }\n"
68 "\n"
69 " memoryBarrier();\n"
70 " }\n"
71 "}\n";
72
73 /* Size of the ssbo array */
74 const glw::GLuint GPUShader5SSBOArrayIndexing::m_n_arrays = 4;
75
76 /** Constructor
77 *
78 * @param context Test context
79 * @param name Test case's name
80 * @param description Test case's description
81 **/
GPUShader5SSBOArrayIndexing(Context & context,const ExtParameters & extParams,const char * name,const char * description)82 GPUShader5SSBOArrayIndexing::GPUShader5SSBOArrayIndexing(Context &context, const ExtParameters &extParams,
83 const char *name, const char *description)
84 : TestCaseBase(context, extParams, name, description)
85 , m_compute_shader_id(0)
86 , m_program_id(0)
87 , m_ssbo_buffer_ids(DE_NULL)
88 {
89 /* Nothing to be done here */
90 }
91
92 /** Initializes GLES objects used during the test.
93 *
94 */
initTest(void)95 void GPUShader5SSBOArrayIndexing::initTest(void)
96 {
97 /* Check if gpu_shader5 extension is supported */
98 if (!m_is_gpu_shader5_supported)
99 {
100 throw tcu::NotSupportedError(GPU_SHADER5_EXTENSION_NOT_SUPPORTED, "", __FILE__, __LINE__);
101 }
102
103 const glw::Functions &gl = m_context.getRenderContext().getFunctions();
104
105 m_program_id = gl.createProgram();
106 GLU_EXPECT_NO_ERROR(gl.getError(), "Could not create program object!");
107
108 m_compute_shader_id = gl.createShader(GL_COMPUTE_SHADER);
109 GLU_EXPECT_NO_ERROR(gl.getError(), "Could not create shader object!");
110
111 if (!buildProgram(m_program_id, m_compute_shader_id, 1, &m_compute_shader_code))
112 {
113 TCU_FAIL("Could not build program from valid compute shader!");
114 }
115
116 m_ssbo_buffer_ids = new glw::GLuint[m_n_arrays];
117 memset(m_ssbo_buffer_ids, 0, m_n_arrays * sizeof(glw::GLuint));
118
119 gl.genBuffers(m_n_arrays, m_ssbo_buffer_ids);
120 GLU_EXPECT_NO_ERROR(gl.getError(), "glGenBuffers() call failed");
121
122 for (glw::GLuint index = 0; index < m_n_arrays; ++index)
123 {
124 gl.bindBuffer(GL_ARRAY_BUFFER, m_ssbo_buffer_ids[index]);
125 GLU_EXPECT_NO_ERROR(gl.getError(), "Could not bind buffer object!");
126
127 const glw::GLuint ssbo_data = 0;
128
129 gl.bufferData(GL_ARRAY_BUFFER, sizeof(glw::GLuint), &ssbo_data, GL_DYNAMIC_COPY);
130 GLU_EXPECT_NO_ERROR(gl.getError(), "Could not set buffer object data!");
131
132 gl.bindBufferBase(GL_SHADER_STORAGE_BUFFER, index, m_ssbo_buffer_ids[index]);
133 GLU_EXPECT_NO_ERROR(gl.getError(), "Could not bind buffer object to shader storage binding point!");
134 }
135 }
136
137 /** Executes the test.
138 * Sets the test result to QP_TEST_RESULT_FAIL if the test failed, QP_TEST_RESULT_PASS otherwise.
139 *
140 * @return STOP if the test has finished, CONTINUE to indicate iterate should be called once again.
141 *
142 * Note the function throws exception should an error occur!
143 **/
iterate(void)144 tcu::TestNode::IterateResult GPUShader5SSBOArrayIndexing::iterate(void)
145 {
146 initTest();
147
148 const glw::Functions &gl = m_context.getRenderContext().getFunctions();
149
150 /* Activate the program object and retrieve index uniform location */
151 gl.useProgram(m_program_id);
152 GLU_EXPECT_NO_ERROR(gl.getError(), "Could not use program!");
153
154 glw::GLint index_location = gl.getUniformLocation(m_program_id, "index");
155 GLU_EXPECT_NO_ERROR(gl.getError(), "glGetUniformLocation() call failed!");
156
157 if (index_location == -1)
158 {
159 TCU_FAIL("Index uniform location is inactive which is invalid!");
160 }
161
162 /* Issue a few compute operations */
163 gl.uniform1ui(index_location, 1);
164 GLU_EXPECT_NO_ERROR(gl.getError(), "Could not set value of index uniform variable!");
165
166 gl.dispatchCompute(1, /* num_groups_x */
167 1, /* num_groups_y */
168 1); /* num_groups_z */
169 GLU_EXPECT_NO_ERROR(gl.getError(), "Could not dispatch compute!");
170
171 gl.memoryBarrier(GL_SHADER_STORAGE_BARRIER_BIT);
172 GLU_EXPECT_NO_ERROR(gl.getError(), "Could not set memory barrier!");
173
174 gl.uniform1ui(index_location, 3);
175 GLU_EXPECT_NO_ERROR(gl.getError(), "Could not set value to index uniform variable!");
176
177 gl.dispatchCompute(1, /* num_groups_x */
178 1, /* num_groups_y */
179 1); /* num_groups_z */
180 GLU_EXPECT_NO_ERROR(gl.getError(), "Could not dispatch compute!");
181
182 gl.memoryBarrier(GL_SHADER_STORAGE_BARRIER_BIT);
183 GLU_EXPECT_NO_ERROR(gl.getError(), "Could not set memory barrier!");
184
185 /* Validate the results */
186 glw::GLuint expected_result[m_n_arrays] = {0, 36, 0, 36};
187 bool test_failed = false;
188
189 for (glw::GLuint index = 0; index < m_n_arrays; ++index)
190 {
191 gl.bindBuffer(GL_SHADER_STORAGE_BUFFER, m_ssbo_buffer_ids[index]);
192 GLU_EXPECT_NO_ERROR(gl.getError(), "Could not bind a buffer object!");
193
194 const glw::GLuint *compute_SSBO =
195 (const glw::GLuint *)gl.mapBufferRange(GL_SHADER_STORAGE_BUFFER, 0, sizeof(glw::GLuint), GL_MAP_READ_BIT);
196
197 GLU_EXPECT_NO_ERROR(gl.getError(), "Could not map buffer data to client memory");
198
199 if (compute_SSBO[0] != expected_result[index])
200 {
201 m_testCtx.getLog() << tcu::TestLog::Message << "Expected Data (" << expected_result[index] << ") "
202 << "Result Data (" << compute_SSBO[0] << ")" << tcu::TestLog::EndMessage;
203
204 test_failed = true;
205 }
206
207 gl.unmapBuffer(GL_SHADER_STORAGE_BUFFER);
208 GLU_EXPECT_NO_ERROR(gl.getError(), "Could not unmap buffer");
209 }
210
211 if (test_failed)
212 {
213 m_testCtx.setTestResult(QP_TEST_RESULT_FAIL, "Fail");
214 }
215 else
216 {
217 m_testCtx.setTestResult(QP_TEST_RESULT_PASS, "Pass");
218 }
219
220 return STOP;
221 }
222
223 /** Deinitializes GLES objects created during the test.
224 *
225 */
deinit(void)226 void GPUShader5SSBOArrayIndexing::deinit(void)
227 {
228 const glw::Functions &gl = m_context.getRenderContext().getFunctions();
229
230 /* Reset OpenGL ES state */
231 gl.useProgram(0);
232 gl.bindBuffer(GL_ARRAY_BUFFER, 0);
233 gl.bindBuffer(GL_SHADER_STORAGE_BUFFER, 0);
234
235 /* Delete program object and shaders */
236 if (m_program_id != 0)
237 {
238 gl.deleteProgram(m_program_id);
239
240 m_program_id = 0;
241 }
242
243 if (m_compute_shader_id != 0)
244 {
245 gl.deleteShader(m_compute_shader_id);
246
247 m_compute_shader_id = 0;
248 }
249
250 if (m_ssbo_buffer_ids != DE_NULL)
251 {
252 gl.deleteBuffers(m_n_arrays, m_ssbo_buffer_ids);
253
254 delete[] m_ssbo_buffer_ids;
255 m_ssbo_buffer_ids = DE_NULL;
256 }
257
258 /* Call base class' deinit() */
259 TestCaseBase::deinit();
260 }
261
262 } // namespace glcts
263