/* * Copyright (C) 2007 Intel Corporation * Copyright (C) 1999 Allen Akin All Rights Reserved. * * 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. */ /** @file error-handling.c * * Authors: Shuang He * * Test that glCheckFramebufferStatus reports various incomplete statuses * required by the spec. */ #include "piglit-util-gl.h" #define TEXSIZE 64 PIGLIT_GL_TEST_CONFIG_BEGIN config.supports_gl_compat_version = 11; config.khr_no_error_support = PIGLIT_NO_ERRORS; PIGLIT_GL_TEST_CONFIG_END enum piglit_result piglit_display(void) { /* UNREACHED */ return PIGLIT_FAIL; } void piglit_init(int argc, char **argv) { piglit_require_extension("GL_EXT_framebuffer_object"); GLuint fbo; GLuint textures[2]; GLuint renderbuffer; GLenum status; GLuint max_color_attachments; const bool have_ARB_ES2 = piglit_is_extension_supported("GL_ARB_ES2_compatibility"); const bool have_ARB_fbo = piglit_is_extension_supported("GL_ARB_framebuffer_object"); glGetIntegerv(GL_MAX_COLOR_ATTACHMENTS_EXT, (GLint *)&max_color_attachments); if (max_color_attachments < 1) { printf("Failed to get max color attachment points"); piglit_report_result(PIGLIT_FAIL); } /* At least one image attached to the framebuffer */ glGenFramebuffersEXT(1, &fbo); glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, fbo); glDrawBuffer(GL_NONE); glReadBuffer(GL_NONE); status = glCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT); glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0); glDeleteFramebuffersEXT(1, &fbo); if (status != GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT_EXT) { printf("If no image is attached to framebuffer, status " "should be " "GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT_EXT"); piglit_report_result(PIGLIT_FAIL); } /* All attached images have the same width and height, * unless GL_ARB_framebuffer object is supported. */ glGenFramebuffersEXT(1, &fbo); glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, fbo); glGenTextures(2, textures); glBindTexture(GL_TEXTURE_2D, textures[0]); glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, TEXSIZE, TEXSIZE, 0, GL_RGB, GL_INT, NULL); glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT, GL_TEXTURE_2D, textures[0], 0); glBindTexture(GL_TEXTURE_2D, textures[1]); glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, TEXSIZE / 2, TEXSIZE / 2, 0, GL_RGB, GL_INT, NULL); glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT + max_color_attachments - 1, GL_TEXTURE_2D, textures[1], 0); status = glCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT); glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0); glDeleteFramebuffersEXT(1, &fbo); glDeleteTextures(2, textures); if (!have_ARB_fbo && status != GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS_EXT) { printf("If renderbuffer sizes don't all match, status should " "be GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS_EXT"); piglit_report_result(PIGLIT_FAIL); } /* All images attached to the attachment points * COLOR_ATTACHMENT0_EXT through COLOR_ATTACHMENTn_EXT must * have the same internal format, unless ARB_fbo is supported. */ glGenFramebuffersEXT(1, &fbo); glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, fbo); glGenTextures(2, textures); glBindTexture(GL_TEXTURE_2D, textures[0]); glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, TEXSIZE, TEXSIZE, 0, GL_RGB, GL_INT, NULL); glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT, GL_TEXTURE_2D, textures[0], 0); glBindTexture(GL_TEXTURE_2D, textures[1]); glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, TEXSIZE, TEXSIZE, 0, GL_RGBA, GL_INT, NULL); glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT + max_color_attachments - 1, GL_TEXTURE_2D, textures[1], 0); status = glCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT); glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0); glDeleteFramebuffersEXT(1, &fbo); glDeleteTextures(2, textures); if (!have_ARB_fbo && status != GL_FRAMEBUFFER_INCOMPLETE_FORMATS_EXT) { printf("All color renderbuffers must be of same format, " "status should be " "GL_FRAMEBUFFER_INCOMPLETE_FORMATS_EXT"); piglit_report_result(PIGLIT_FAIL); } /* The value of FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE_EXT must not * be NONE for any color attachment point(s) named by * DRAW_BUFFERi. * [Note: to avoid being caught by the no-attachments * case above, we attach a depth renderbuffer.] */ glGenFramebuffersEXT(1, &fbo); glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, fbo); glDrawBuffer(GL_COLOR_ATTACHMENT0_EXT + max_color_attachments - 1); glGenRenderbuffers(1, &renderbuffer); glBindRenderbuffer(GL_RENDERBUFFER_EXT, renderbuffer); glRenderbufferStorage(GL_RENDERBUFFER_EXT, GL_DEPTH_COMPONENT24, TEXSIZE, TEXSIZE); glFramebufferRenderbuffer(GL_FRAMEBUFFER_EXT, GL_DEPTH_ATTACHMENT_EXT, GL_RENDERBUFFER_EXT, renderbuffer); status = glCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT); glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0); glDeleteFramebuffersEXT(1, &fbo); glDeleteTextures(1, textures); glDeleteRenderbuffers(1, &renderbuffer); if (status != GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER_EXT && !have_ARB_ES2) { printf("All any buffer named by glDrawBuffers is missing, " "status should be " "GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER_EXT"); piglit_report_result(PIGLIT_FAIL); } /* If READ_BUFFER is not NONE, then the value of * FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE_EXT must not be NONE for * the color attachment point named by READ_BUFFER. * [Note: to avoid being caught by the no-attachments * case above, we attach a depth renderbuffer.] */ glGenFramebuffersEXT(1, &fbo); glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, fbo); glDrawBuffer(GL_NONE); glReadBuffer(GL_COLOR_ATTACHMENT0_EXT + max_color_attachments - 1); glGenRenderbuffers(1, &renderbuffer); glBindRenderbuffer(GL_RENDERBUFFER_EXT, renderbuffer); glRenderbufferStorage(GL_RENDERBUFFER_EXT, GL_DEPTH_COMPONENT24, TEXSIZE, TEXSIZE); glFramebufferRenderbuffer(GL_FRAMEBUFFER_EXT, GL_DEPTH_ATTACHMENT_EXT, GL_RENDERBUFFER_EXT, renderbuffer); status = glCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT); glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0); glDeleteFramebuffersEXT(1, &fbo); glDeleteRenderbuffers(1, &renderbuffer); if (status != GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER_EXT && !have_ARB_ES2) { printf("If buffer named by glReadBuffers is missing, status " "should be GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER_EXT"); piglit_report_result(PIGLIT_FAIL); } piglit_report_result(PIGLIT_PASS); }