/* * Copyright © 2013 LunarG, 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. * * Author: Jon Ashburn */ /** * Tests texture views with data format changes. 1D textures only. * Uses multiple simultaneous views with different lifetimes and * check results via glGetTexImage(). */ #include "piglit-util-gl.h" #include "common.h" PIGLIT_GL_TEST_CONFIG_BEGIN config.supports_gl_compat_version = 15; config.supports_gl_core_version = 31; config.window_visual = PIGLIT_GL_VISUAL_RGBA | PIGLIT_GL_VISUAL_DOUBLE; config.khr_no_error_support = PIGLIT_NO_ERRORS; PIGLIT_GL_TEST_CONFIG_END /* Texture formats. The format_list variable has these fields: */ struct format_desc { GLenum internalfmt; GLenum storagefmt; GLenum imagefmt; GLenum imagetype; GLenum getfmt; GLenum gettype; int red, green, blue, alpha; }; static const struct format_desc format_list[] = { {GL_RGBA8UI, GL_RGBA8, GL_RGBA, GL_UNSIGNED_BYTE, GL_RGBA_INTEGER, GL_UNSIGNED_BYTE, 8, 8, 8, 8}, {GL_RGBA8I, GL_RGBA8I, GL_RGBA, GL_UNSIGNED_BYTE, GL_RGBA_INTEGER, GL_BYTE, 8, 8, 8, 8}, {GL_RGB16F, GL_RGB16F, GL_RGB, GL_UNSIGNED_BYTE, GL_RGB, GL_HALF_FLOAT, 16, 16, 16, 0}, {GL_RGB16I, GL_RGB16, GL_RGB, GL_UNSIGNED_BYTE, GL_RGB_INTEGER, GL_SHORT, 16, 16, 16, 0}, {GL_R16UI, GL_R16, GL_RED, GL_UNSIGNED_BYTE, GL_RED_INTEGER, GL_UNSIGNED_SHORT, 16, 0, 0, 0}, {GL_R16F, GL_R16, GL_RED, GL_UNSIGNED_BYTE, GL_RED, GL_HALF_FLOAT, 16, 0, 0, 0}, {GL_RGBA16UI, GL_RGBA16, GL_RGBA, GL_UNSIGNED_BYTE, GL_RGBA_INTEGER, GL_UNSIGNED_SHORT, 16, 16, 16, 16}, {GL_RGBA16F, GL_RGBA16, GL_RGBA, GL_UNSIGNED_BYTE, GL_RGBA, GL_HALF_FLOAT, 16, 16, 16, 16}, }; static bool buffers_equal(const unsigned char * buf0, const unsigned char *buf1, GLint w) { int i; for (i = 0; i < w; i++) { if (buf0[i] != buf1[i]) { printf("mismatched texels at index (%d)\n", i); printf(" Buffer0: %u\n", buf0[i]); printf(" Buffer1: %u\n", buf1[i]); return true; } } return false; } static bool test_format_lifetime(const struct format_desc desc0, const struct format_desc desc1) { GLuint tex, viewTex[3]; GLint width = 32, w, levels = 6; GLint l; int bytes; unsigned char *buffer0, *buffer1; bool pass = true; glGenTextures(1, &tex); glBindTexture(GL_TEXTURE_1D, tex); glTexStorage1D(GL_TEXTURE_1D, levels, desc0.storagefmt, width); glGenTextures(3, viewTex); glTextureView(viewTex[0], GL_TEXTURE_1D, tex, desc0.internalfmt, 0, levels, 0, 1); glTextureView(viewTex[1], GL_TEXTURE_1D, viewTex[0], desc1.internalfmt, 0, levels, 0, 1); pass = piglit_check_gl_error(GL_NO_ERROR) && pass; /* load each mipmap with a different color texture */ w = width; bytes = (desc0.red + desc0.green + desc0.blue + desc0.alpha) / 8; for (l = 0; l < levels; l++) { GLubyte *buf = create_solid_image(width, 1, 1, bytes, l); if (buf != NULL) { glTexSubImage1D(GL_TEXTURE_1D, l, 0, w, desc0.imagefmt, desc0.imagetype, buf); free(buf); } else { piglit_report_result(PIGLIT_FAIL); assert(!"create_solid_image() failed\n"); } if (w > 1) w /= 2; } #if 0 /* debug */ printf("fmt0=%s, fmt1=%s, strgfmt0=%s, gettype0=%s\n", piglit_get_gl_enum_name(desc0.internalfmt), piglit_get_gl_enum_name(desc1.internalfmt), piglit_get_gl_enum_name(desc0.storagefmt), piglit_get_gl_enum_name(desc0.gettype)); printf("bytes=%d, width=%d, viewTex[0]=%d, [1]=%d, [2]=%d\n",bytes, width, viewTex[0], viewTex[1], viewTex[2]); #endif glDeleteTextures(1, &tex); pass = piglit_check_gl_error(GL_NO_ERROR) && pass; /* compare view0 all level texels bytes to view1 texels bytes */ buffer0 = malloc(width * bytes); buffer1 = malloc(width * bytes); w = width; for (l = 0; l < levels; l++) { glBindTexture(GL_TEXTURE_1D, viewTex[0]); glGetTexImage(GL_TEXTURE_1D, l, desc0.getfmt, desc0.gettype, buffer0); glBindTexture(GL_TEXTURE_1D, viewTex[1]); glGetTexImage(GL_TEXTURE_1D, l, desc1.getfmt, desc1.gettype, buffer1); if (buffers_equal(buffer0, buffer1, w)) { pass = piglit_check_gl_error(GL_NO_ERROR) && pass; printf("level %d texel mismatch view0 and view1, width=%d\n", l, w); printf("internal format0 %s, internal format1 %s\n", piglit_get_gl_enum_name(desc0.internalfmt), piglit_get_gl_enum_name(desc1.internalfmt)); pass = false; } if (w > 1) w /= 2; } /* compare view1 base level texels to view2 after view0 and view1 deleted */ glBindTexture(GL_TEXTURE_1D, viewTex[1]); glGetTexImage(GL_TEXTURE_1D, 0, desc1.getfmt, desc1.gettype, buffer1); glTextureView(viewTex[2], GL_TEXTURE_1D, viewTex[0], desc0.internalfmt, 0, 1, 0, 1); pass = piglit_check_gl_error(GL_NO_ERROR) && pass; glDeleteTextures(2, viewTex); glBindTexture(GL_TEXTURE_1D, viewTex[2]); glGetTexImage(GL_TEXTURE_1D, 0, desc0.getfmt, desc0.gettype, buffer0); if (buffers_equal(buffer0, buffer1, width)) { pass = piglit_check_gl_error(GL_NO_ERROR) && pass; printf("Mismatched texels view1 and view2\n"); printf("internal format0 %s, internal format1 %s\n", piglit_get_gl_enum_name(desc0.internalfmt), piglit_get_gl_enum_name(desc1.internalfmt)); pass = false; } free(buffer0); free(buffer1); glDeleteTextures(1, &viewTex[2]); return pass; } enum piglit_result piglit_display(void) { return PIGLIT_FAIL; } #define X(f, desc) \ do { \ const bool subtest_pass = (f); \ piglit_report_subtest_result(subtest_pass \ ? PIGLIT_PASS : PIGLIT_FAIL, \ (desc)); \ pass = pass && subtest_pass; \ } while (0) void piglit_init(int argc, char **argv) { bool pass = true; piglit_require_extension("GL_ARB_texture_storage"); piglit_require_extension("GL_ARB_texture_view"); X(test_format_lifetime(format_list[4], format_list[5]), "view compare 16 bit formats"); X(test_format_lifetime(format_list[0], format_list[1]), "view compare 32 bit formats"); X(test_format_lifetime(format_list[2], format_list[3]), "view compare 48 bit formats"); X(test_format_lifetime(format_list[6], format_list[7]), "view compare 64 bit formats"); #undef X pass = piglit_check_gl_error(GL_NO_ERROR) && pass; piglit_report_result(pass ? PIGLIT_PASS : PIGLIT_FAIL); }