| /*------------------------------------------------------------------------- |
| * OpenGL Conformance Test Suite |
| * ----------------------------- |
| * |
| * Copyright (c) 2014-2016 The Khronos Group Inc. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| */ /*! |
| * \file |
| * \brief |
| */ /*-------------------------------------------------------------------*/ |
| |
| /*! |
| * \file esextcTextureCubeMapArrayFBOIncompleteness.cpp |
| * \brief texture_cube_map_array extenstion - FBO incompleteness (Test 9) |
| */ /*-------------------------------------------------------------------*/ |
| |
| #include "esextcTextureCubeMapArrayFBOIncompleteness.hpp" |
| |
| #include "gluContextInfo.hpp" |
| #include "gluStrUtil.hpp" |
| #include "glwEnums.hpp" |
| #include "glwFunctions.hpp" |
| #include "tcuTestLog.hpp" |
| |
| namespace glcts |
| { |
| |
| /** Constructor |
| * |
| * @param context Test context |
| * @param name Test case's name |
| * @param description Test case's description |
| **/ |
| TextureCubeMapArrayFBOIncompleteness::TextureCubeMapArrayFBOIncompleteness(Context& context, |
| const ExtParameters& extParams, |
| const char* name, const char* description) |
| : TestCaseBase(context, extParams, name, description) |
| , m_fbo_id(0) |
| , m_lots_of_layers_to_id(0) |
| , m_non_layered_to_id(0) |
| , m_small_to_id(0) |
| { |
| /* Nothing to be done here */ |
| } |
| |
| /** Verifies an expected FBO completeness status is reported for FBO that is currently |
| * bound to GL_DRAW_FRAMEBUFFER FBO binding. |
| * |
| * @param expected_state Anticipated FBO completeness status; |
| * @param message Error message to prepend logged error message. |
| * |
| * @return true if framebuffer state is equal to @param expectedState; |
| * false otherwise |
| */ |
| glw::GLboolean TextureCubeMapArrayFBOIncompleteness::checkState(glw::GLint expected_state, const char* message) |
| { |
| const glw::Functions& gl = m_context.getRenderContext().getFunctions(); |
| glw::GLenum fbo_completeness = gl.checkFramebufferStatus(GL_DRAW_FRAMEBUFFER); |
| glw::GLboolean result = true; |
| |
| /* if fboCompleteness is different than expectedState log error */ |
| if (fbo_completeness != (glw::GLuint)expected_state) |
| { |
| m_testCtx.getLog() << tcu::TestLog::Message << message << "; FBO should be in " |
| << glu::getErrorStr(expected_state) |
| << " state, but is in : " << glu::getErrorStr(fbo_completeness) << " state" |
| << tcu::TestLog::EndMessage; |
| |
| result = false; |
| } |
| |
| return result; |
| } |
| |
| /** Deinitialize test case |
| * |
| **/ |
| void TextureCubeMapArrayFBOIncompleteness::deinit() |
| { |
| /* Retrieve GL entry point */ |
| const glw::Functions& gl = m_context.getRenderContext().getFunctions(); |
| |
| /* Reset FBO and texture bindings */ |
| gl.bindFramebuffer(GL_DRAW_FRAMEBUFFER, 0); |
| gl.bindTexture(GL_TEXTURE_CUBE_MAP_ARRAY, 0); |
| gl.bindTexture(GL_TEXTURE_2D, 0); |
| |
| /* Release all ES objects the test may have created */ |
| if (m_fbo_id != 0) |
| { |
| gl.deleteFramebuffers(1, &m_fbo_id); |
| |
| m_fbo_id = 0; |
| } |
| |
| if (m_non_layered_to_id != 0) |
| { |
| gl.deleteTextures(1, &m_non_layered_to_id); |
| |
| m_non_layered_to_id = 0; |
| } |
| |
| if (m_small_to_id != 0) |
| { |
| gl.deleteTextures(1, &m_small_to_id); |
| |
| m_small_to_id = 0; |
| } |
| |
| if (m_lots_of_layers_to_id != 0) |
| { |
| gl.deleteTextures(1, &m_lots_of_layers_to_id); |
| |
| m_lots_of_layers_to_id = 0; |
| } |
| |
| /* Call base class' deinit() */ |
| TestCaseBase::deinit(); |
| } |
| |
| /** Initializes all ES objects necessary to execute the test */ |
| void TextureCubeMapArrayFBOIncompleteness::initTest() |
| { |
| /* Check if texture_cube_map_array extension is supported */ |
| if (!m_is_texture_cube_map_array_supported) |
| { |
| throw tcu::NotSupportedError(TEXTURE_CUBE_MAP_ARRAY_EXTENSION_NOT_SUPPORTED); |
| } |
| |
| /* Retrieve GL entry point */ |
| const glw::Functions& gl = m_context.getRenderContext().getFunctions(); |
| |
| /* Create texture objects.*/ |
| gl.genTextures(1, &m_small_to_id); |
| gl.genTextures(1, &m_lots_of_layers_to_id); |
| gl.genTextures(1, &m_non_layered_to_id); |
| GLU_EXPECT_NO_ERROR(gl.getError(), "glGenTextures() call(s) failed"); |
| |
| /* Create a framebuffer object we will use for the test */ |
| gl.genFramebuffers(1, &m_fbo_id); |
| GLU_EXPECT_NO_ERROR(gl.getError(), "glGenFramebuffers() call failed"); |
| } |
| |
| /** Executes the test. |
| * |
| * Note the function throws exception should an error occur! |
| * |
| * @return Always STOP. |
| **/ |
| tcu::TestCase::IterateResult TextureCubeMapArrayFBOIncompleteness::iterate() |
| { |
| const glw::Functions& gl = m_context.getRenderContext().getFunctions(); |
| glw::GLboolean result = true; |
| |
| /* Create all ES objects necessary to run the test first */ |
| initTest(); |
| |
| /* Modify the draw framebuffer binding */ |
| gl.bindFramebuffer(GL_DRAW_FRAMEBUFFER, m_fbo_id); |
| GLU_EXPECT_NO_ERROR(gl.getError(), "Error binding framebuffer object!"); |
| |
| /* Set up texture storage for small texture */ |
| gl.bindTexture(GL_TEXTURE_CUBE_MAP_ARRAY, m_small_to_id); |
| GLU_EXPECT_NO_ERROR(gl.getError(), "Error binding texture object to GL_TEXTURE_CUBE_MAP_ARRAY target."); |
| |
| gl.texStorage3D(GL_TEXTURE_CUBE_MAP_ARRAY, m_texture_levels, GL_RGBA8, m_texture_width, m_texture_height, |
| m_small_texture_depth); |
| |
| GLU_EXPECT_NO_ERROR(gl.getError(), "glTexStorage3D() call failed."); |
| |
| /* Verify that a FBO is considered incomplete, if a non-existing layer |
| * (whose index is larger or equal to the layer count) of a cube-map |
| * array texture is attached to any of the framebuffer's non-layered |
| * attachments. |
| */ |
| gl.framebufferTextureLayer(GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, m_small_to_id, 0, /* level */ |
| m_small_texture_depth); /* layer */ |
| |
| GLU_EXPECT_NO_ERROR(gl.getError(), "glFramebufferTextureLayer() call failed."); |
| |
| result = checkState(GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT, "Attachment of an invalid texture layer "); |
| |
| /* The remaining parts of the test should only run if EXT_geometry_shader is supported */ |
| if (true != m_is_geometry_shader_extension_supported) |
| { |
| m_testCtx.getLog() << tcu::TestLog::Message << "EXT_geometry_shader is not supported, skip remaining tests." |
| << tcu::TestLog::EndMessage; |
| if (result) |
| { |
| m_testCtx.setTestResult(QP_TEST_RESULT_PASS, "Pass"); |
| } |
| else |
| { |
| m_testCtx.setTestResult(QP_TEST_RESULT_FAIL, "Fail"); |
| } |
| |
| return STOP; |
| } |
| |
| /* In order to check that a framebuffer is considered incomplete if the layer count |
| * of a cube-map array texture that has been bound to a layered framebuffer is |
| * larger than or equal to GL_MAX_FRAMEBUFFER_LAYERS_EXT, we need to create a cube-map |
| * array texture object that we'll use for the purpose of the test */ |
| glw::GLint gl_max_framebuffer_layers_ext_value = 0; |
| glw::GLint gl_max_array_texture_layers = 0; |
| glw::GLint required_to_depth = 0; |
| |
| gl.getIntegerv(m_glExtTokens.MAX_FRAMEBUFFER_LAYERS, &gl_max_framebuffer_layers_ext_value); |
| GLU_EXPECT_NO_ERROR(gl.getError(), "glGetIntegerv() failed for GL_MAX_FRAMEBUFFER_LAYERS_EXT pname"); |
| |
| gl.getIntegerv(GL_MAX_ARRAY_TEXTURE_LAYERS, &gl_max_array_texture_layers); |
| GLU_EXPECT_NO_ERROR(gl.getError(), "glGetIntegerv() failed for GL_MAX_ARRAY_TEXTURE_LAYERS pname"); |
| |
| /* Calculate the amount of layers we need our texture object to use. The number has to |
| * be larger than GL_MAX_FRAMEBUFFER_LAYERS_EXT and be a multiple of 6 |
| */ |
| required_to_depth = ((gl_max_framebuffer_layers_ext_value / 6) + 1) * 6; |
| |
| /* Execute only if allowed number of layers for GL_TEXTURE_CUBE_MAP_ARRAY |
| * is greater than GL_MAX_FRAMEBUFFER_LAYERS_EXT |
| */ |
| if (required_to_depth <= gl_max_array_texture_layers && required_to_depth > gl_max_framebuffer_layers_ext_value) |
| { |
| /* Bind a new ID to GL_TEXTURE_CUBE_MAP_ARRAY texture target */ |
| gl.bindTexture(GL_TEXTURE_CUBE_MAP_ARRAY, m_lots_of_layers_to_id); |
| GLU_EXPECT_NO_ERROR(gl.getError(), "glBindTexture() call failed."); |
| |
| /* Configure texture storage */ |
| gl.texStorage3D(GL_TEXTURE_CUBE_MAP_ARRAY, m_texture_levels, GL_RGBA8, m_texture_width, m_texture_height, |
| required_to_depth); |
| |
| GLU_EXPECT_NO_ERROR(gl.getError(), "Error configuring texture!"); |
| |
| /* Update the FBO binding */ |
| gl.framebufferTexture(GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, m_lots_of_layers_to_id, 0); /* level */ |
| |
| GLU_EXPECT_NO_ERROR(gl.getError(), "glFramebufferTextureEXT() call failed"); |
| |
| result = |
| checkState(GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT, "Attachment of too many layers to a layered framebuffer "); |
| } |
| |
| /* Configure storage for a 2D array texture object. We'll need it to verify |
| * that a layered framebuffer is considered incomplete and its status is |
| * reported as GL_FRAMEBUFFER_INCOMPLETE_LAYER_TARGETS_EXT, if a single level of |
| * a cube-map array texture AND of a 2D array texture are attached to two |
| * different color attachments of the same framebuffer object. |
| **/ |
| gl.bindTexture(GL_TEXTURE_2D_ARRAY, m_non_layered_to_id); |
| GLU_EXPECT_NO_ERROR(gl.getError(), "glBindTexture() call failed"); |
| |
| gl.texStorage3D(GL_TEXTURE_2D_ARRAY, m_texture_levels, GL_RGBA8, m_texture_width, m_texture_height, |
| m_small_texture_depth); |
| |
| GLU_EXPECT_NO_ERROR(gl.getError(), "glTexStorage3D() call failed."); |
| |
| /* Configure the FBO attachments */ |
| gl.framebufferTexture(GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, m_small_to_id, 0); /* level */ |
| gl.framebufferTexture(GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT1, m_non_layered_to_id, 0); /* level */ |
| |
| GLU_EXPECT_NO_ERROR(gl.getError(), "glFramebufferTextureEXT() call(s) failed"); |
| |
| /* Perform the check */ |
| result = checkState(m_glExtTokens.FRAMEBUFFER_INCOMPLETE_LAYER_TARGETS, |
| "Attachment of two textures from different targets to the same FBO "); |
| |
| if (result) |
| { |
| m_testCtx.setTestResult(QP_TEST_RESULT_PASS, "Pass"); |
| } |
| else |
| { |
| m_testCtx.setTestResult(QP_TEST_RESULT_FAIL, "Fail"); |
| } |
| |
| return STOP; |
| } |
| |
| } /* glcts */ |