/* * Copyright 2012 VMware, Inc. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS * IN THE SOFTWARE. */ /** * Test glTexImage with an image too large for the given mipmap level. * * Page 157 of the OpenGL 2.1 spec says: * * "In a similar fashion, the maximum allowable width of a one- or * two- dimensional texture image, and the maximum allowable height of a * two- dimensional texture image, must be at least 2k−lod + 2bt for * image arrays of level 0 through k, where k is the log base 2 of MAX * TEXTURE SIZE. The maximum allowable width and height of a cube map * texture must be the same, and must be at least 2k−lod + 2bt for image * arrays level 0 through k, where k is the log base 2 of MAX CUBE MAP * TEXTURE SIZE." */ #include "piglit-util-gl-common.h" PIGLIT_GL_TEST_MAIN(100, 100, GLUT_RGBA | GLUT_DOUBLE) enum piglit_result piglit_display(void) { /* no op */ return PIGLIT_PASS; } void piglit_init(int argc, char **argv) { GLint maxSize; GLuint tex; bool pass; glGetIntegerv(GL_MAX_TEXTURE_SIZE, &maxSize); printf("GL_MAX_TEXTURE_SIZE = %d\n", maxSize); glGenTextures(1, &tex); glBindTexture(GL_TEXTURE_2D, tex); /* * Note: we don't try to create any maxSize by maxSize textures * since we may not have enough texture memory. */ /* * For level 0, maxSize by 1 (and vice-versa) should be OK. */ glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, maxSize, 1, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL); pass = piglit_check_gl_error(GL_NO_ERROR); glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 1, maxSize, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL); pass = piglit_check_gl_error(GL_NO_ERROR) && pass; /* * For level 1, maxSize by 1 (and vice versa) should fail. */ glTexImage2D(GL_TEXTURE_2D, 1, GL_RGBA, maxSize, 1, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL); pass = piglit_check_gl_error(GL_INVALID_VALUE) & pass; glTexImage2D(GL_TEXTURE_2D, 1, GL_RGBA, 1, maxSize, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL); pass = piglit_check_gl_error(GL_INVALID_VALUE) & pass; /* * For level 2, maxSize/2 by 1 (and vice versa) should fail. */ glTexImage2D(GL_TEXTURE_2D, 2, GL_RGBA, maxSize/2, 1, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL); pass = piglit_check_gl_error(GL_INVALID_VALUE) & pass; glTexImage2D(GL_TEXTURE_2D, 2, GL_RGBA, 1, maxSize/2, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL); pass = piglit_check_gl_error(GL_INVALID_VALUE) & pass; piglit_report_result(pass ? PIGLIT_PASS : PIGLIT_FAIL); }