/* * Copyright (C) 2018 Intel Corporation * * 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 fbo-blit-check-limits.c * * Test FBO blits with different possible buffer sizes * Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=108088 * Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=110239 * * \author Vadym Shovkoplias * \author Sergii Romantsov */ #include "piglit-util-gl.h" #define FB_SIZE 160 PIGLIT_GL_TEST_CONFIG_BEGIN config.supports_gl_compat_version = 10; config.window_visual = PIGLIT_GL_VISUAL_DOUBLE | PIGLIT_GL_VISUAL_RGB; config.requires_displayed_window = true; config.khr_no_error_support = PIGLIT_NO_ERRORS; config.window_width = FB_SIZE; config.window_height = FB_SIZE; PIGLIT_GL_TEST_CONFIG_END typedef struct _rgba { float r; float g; float b; float a; } rgba; // Yellow - back buffer left side color #define BACK1_R 1.0f #define BACK1_G 1.0f #define BACK1_B 0.0f static const rgba BACK1 = { BACK1_R, BACK1_G, BACK1_B, 1.0f }; // Green - back buffer right side color #define BACK2_R 0.0f #define BACK2_G 1.0f #define BACK2_B 0.0f static const rgba BACK2 = { BACK2_R, BACK2_G, BACK2_B, 1.0f }; // Red - front buffer color #define FRONT_R 1.0f #define FRONT_G 0.0f #define FRONT_B 0.0f static const rgba FRONT = { FRONT_R, FRONT_G, FRONT_B, 1.0f }; typedef struct _fb_data { int read; int write; rgba color_lb; rgba color_lt; rgba color_right; } fb_data; static const fb_data fb_params[] = { { .read = 0, .write = 0, .color_lb = { FRONT_R, FRONT_G, FRONT_B, 1.0f }, .color_lt = { FRONT_R, FRONT_G, FRONT_B, 1.0f }, .color_right = { FRONT_R, FRONT_G, FRONT_B, 1.0f }, }, { .read = 0, .write = FB_SIZE, .color_lb = { FRONT_R, FRONT_G, FRONT_B, 1.0f }, .color_lt = { FRONT_R, FRONT_G, FRONT_B, 1.0f }, .color_right = { FRONT_R, FRONT_G, FRONT_B, 1.0f }, }, { .read = 0, .write = FB_SIZE << 1, .color_lb = { FRONT_R, FRONT_G, FRONT_B, 1.0f }, .color_lt = { FRONT_R, FRONT_G, FRONT_B, 1.0f }, .color_right = { FRONT_R, FRONT_G, FRONT_B, 1.0f }, }, { .read = 0, .write = INT_MAX, .color_lb = { FRONT_R, FRONT_G, FRONT_B, 1.0f }, .color_lt = { FRONT_R, FRONT_G, FRONT_B, 1.0f }, .color_right = { FRONT_R, FRONT_G, FRONT_B, 1.0f }, }, { .read = 1, .write = FB_SIZE, .color_lb = { BACK1_R, BACK1_G, BACK1_B, 1.0f }, .color_lt = { BACK1_R, BACK1_G, BACK1_B, 1.0f }, .color_right = { BACK1_R, BACK1_G, BACK1_B, 1.0f }, }, { .read = 1, .write = INT_MAX, .color_lb = { BACK1_R, BACK1_G, BACK1_B, 1.0f }, .color_lt = { BACK1_R, BACK1_G, BACK1_B, 1.0f }, .color_right = { BACK1_R, BACK1_G, BACK1_B, 1.0f }, }, { .read = FB_SIZE >> 2, .write = 0, .color_lb = { FRONT_R, FRONT_G, FRONT_B, 1.0f }, .color_lt = { FRONT_R, FRONT_G, FRONT_B, 1.0f }, .color_right = { FRONT_R, FRONT_G, FRONT_B, 1.0f }, }, { .read = FB_SIZE >> 2, .write = FB_SIZE << 1, .color_lb = { BACK1_R, BACK1_G, BACK1_B, 1.0f }, .color_lt = { BACK1_R, BACK1_G, BACK1_B, 1.0f }, .color_right = { BACK1_R, BACK1_G, BACK1_B, 1.0f }, }, { .read = FB_SIZE >> 2, .write = FB_SIZE, .color_lb = { BACK1_R, BACK1_G, BACK1_B, 1.0f }, .color_lt = { BACK1_R, BACK1_G, BACK1_B, 1.0f }, .color_right = { BACK1_R, BACK1_G, BACK1_B, 1.0f }, }, { .read = FB_SIZE >> 2, .write = 0x7ffffff, .color_lb = { BACK1_R, BACK1_G, BACK1_B, 1.0f }, .color_lt = { BACK1_R, BACK1_G, BACK1_B, 1.0f }, .color_right = { BACK1_R, BACK1_G, BACK1_B, 1.0f }, }, { .read = FB_SIZE >> 2, .write = INT_MAX, .color_lb = { BACK1_R, BACK1_G, BACK1_B, 1.0f }, .color_lt = { BACK1_R, BACK1_G, BACK1_B, 1.0f }, .color_right = { BACK1_R, BACK1_G, BACK1_B, 1.0f }, }, { .read = FB_SIZE >> 1, .write = 1, .color_lb = { BACK1_R, BACK1_G, BACK1_B, 1.0f }, .color_lt = { FRONT_R, FRONT_G, FRONT_B, 1.0f }, .color_right = { FRONT_R, FRONT_G, FRONT_B, 1.0f }, }, { .read = FB_SIZE >> 1, .write = 2, .color_lb = { BACK1_R, BACK1_G, BACK1_B, 1.0f }, .color_lt = { FRONT_R, FRONT_G, FRONT_B, 1.0f }, .color_right = { FRONT_R, FRONT_G, FRONT_B, 1.0f }, }, { .read = FB_SIZE >> 1, .write = FB_SIZE >> 1, .color_lb = { BACK1_R, BACK1_G, BACK1_B, 1.0f }, .color_lt = { FRONT_R, FRONT_G, FRONT_B, 1.0f }, .color_right = { FRONT_R, FRONT_G, FRONT_B, 1.0f }, }, { .read = FB_SIZE >> 1, .write = FB_SIZE, .color_lb = { BACK1_R, BACK1_G, BACK1_B, 1.0f }, .color_lt = { BACK1_R, BACK1_G, BACK1_B, 1.0f }, .color_right = { BACK1_R, BACK1_G, BACK1_B, 1.0f }, }, { .read = FB_SIZE >> 1, .write = 0x7ffffff, .color_lb = { BACK1_R, BACK1_G, BACK1_B, 1.0f }, .color_lt = { BACK1_R, BACK1_G, BACK1_B, 1.0f }, .color_right = { BACK1_R, BACK1_G, BACK1_B, 1.0f }, }, { .read = FB_SIZE >> 1, .write = INT_MAX, .color_lb = { BACK1_R, BACK1_G, BACK1_B, 1.0f }, .color_lt = { BACK1_R, BACK1_G, BACK1_B, 1.0f }, .color_right = { BACK1_R, BACK1_G, BACK1_B, 1.0f }, }, { .read = FB_SIZE, .write = 0, .color_lb = { FRONT_R, FRONT_G, FRONT_B, 1.0f }, .color_lt = { FRONT_R, FRONT_G, FRONT_B, 1.0f }, .color_right = { FRONT_R, FRONT_G, FRONT_B, 1.0f }, }, { .read = FB_SIZE, .write = 1, .color_lb = { BACK2_R, BACK2_G, BACK2_B, 1.0f }, .color_lt = { FRONT_R, FRONT_G, FRONT_B, 1.0f }, .color_right = { FRONT_R, FRONT_G, FRONT_B, 1.0f }, }, { .read = FB_SIZE, .write = 2, .color_lb = { BACK1_R, BACK1_G, BACK1_B, 1.0f }, .color_lt = { FRONT_R, FRONT_G, FRONT_B, 1.0f }, .color_right = { FRONT_R, FRONT_G, FRONT_B, 1.0f }, }, { .read = FB_SIZE, .write = FB_SIZE >> 1, .color_lb = { BACK1_R, BACK1_G, BACK1_B, 1.0f }, .color_lt = { FRONT_R, FRONT_G, FRONT_B, 1.0f }, .color_right = { FRONT_R, FRONT_G, FRONT_B, 1.0f }, }, { .read = FB_SIZE, .write = FB_SIZE, .color_lb = { BACK1_R, BACK1_G, BACK1_B, 1.0f }, .color_lt = { BACK1_R, BACK1_G, BACK1_B, 1.0f }, .color_right = { BACK2_R, BACK2_G, BACK2_B, 1.0f }, }, { .read = FB_SIZE, .write = 0x7ffffff, .color_lb = { BACK1_R, BACK1_G, BACK1_B, 1.0f }, .color_lt = { BACK1_R, BACK1_G, BACK1_B, 1.0f }, .color_right = { BACK1_R, BACK1_G, BACK1_B, 1.0f }, }, { .read = FB_SIZE, .write = INT_MAX, .color_lb = { BACK1_R, BACK1_G, BACK1_B, 1.0f }, .color_lt = { BACK1_R, BACK1_G, BACK1_B, 1.0f }, .color_right = { BACK1_R, BACK1_G, BACK1_B, 1.0f }, }, { .read = INT_MIN, .write = 1, .color_lb = { FRONT_R, FRONT_G, FRONT_B, 1.0f }, .color_lt = { FRONT_R, FRONT_G, FRONT_B, 1.0f }, .color_right = { FRONT_R, FRONT_G, FRONT_B, 1.0f }, }, { .read = INT_MIN, .write = 2, .color_lb = { FRONT_R, FRONT_G, FRONT_B, 1.0f }, .color_lt = { FRONT_R, FRONT_G, FRONT_B, 1.0f }, .color_right = { FRONT_R, FRONT_G, FRONT_B, 1.0f }, }, { .read = INT_MIN, .write = INT_MIN, .color_lb = { FRONT_R, FRONT_G, FRONT_B, 1.0f }, .color_lt = { FRONT_R, FRONT_G, FRONT_B, 1.0f }, .color_right = { FRONT_R, FRONT_G, FRONT_B, 1.0f }, }, { .read = INT_MIN, .write = 0x7ffffff, .color_lb = { FRONT_R, FRONT_G, FRONT_B, 1.0f }, .color_lt = { FRONT_R, FRONT_G, FRONT_B, 1.0f }, .color_right = { FRONT_R, FRONT_G, FRONT_B, 1.0f }, }, { .read = INT_MIN, .write = INT_MAX, .color_lb = { FRONT_R, FRONT_G, FRONT_B, 1.0f }, .color_lt = { FRONT_R, FRONT_G, FRONT_B, 1.0f }, .color_right = { FRONT_R, FRONT_G, FRONT_B, 1.0f }, }, { .read = -FB_SIZE, .write = -FB_SIZE, .color_lb = { FRONT_R, FRONT_G, FRONT_B, 1.0f }, .color_lt = { FRONT_R, FRONT_G, FRONT_B, 1.0f }, .color_right = { FRONT_R, FRONT_G, FRONT_B, 1.0f }, }, { .read = INT_MAX, .write = INT_MAX, .color_lb = { BACK1_R, BACK1_G, BACK1_B, 1.0f }, .color_lt = { BACK1_R, BACK1_G, BACK1_B, 1.0f }, .color_right = { BACK2_R, BACK2_G, BACK2_B, 1.0f }, }, }; static bool draw(const fb_data *const sizes) { bool success = 1; glDrawBuffer(GL_BACK); /* back buffer right side green */ glClearColor(BACK2.r, BACK2.g, BACK2.b, BACK2.a); glClear(GL_COLOR_BUFFER_BIT); /* back buffer left side yellow */ glColor4f(BACK1.r, BACK1.g, BACK1.b, BACK1.a); piglit_draw_rect(-1.0, -1.0, 1.0, 2.0); glDrawBuffer(GL_FRONT); /* front buffer red */ glClearColor(FRONT.r, FRONT.g, FRONT.b, FRONT.a); glClear(GL_COLOR_BUFFER_BIT); glReadBuffer(GL_BACK); glBlitFramebufferEXT(0, 0, sizes->read, sizes->read, 0, 0, sizes->write, sizes->write, GL_COLOR_BUFFER_BIT, GL_NEAREST); glReadBuffer(GL_FRONT); success &= piglit_probe_pixel_rgb(0, 0, (float*)(&sizes->color_lb)); success &= piglit_probe_pixel_rgb(FB_SIZE - 1, 0, (float*)(&sizes->color_right)); success &= piglit_probe_pixel_rgb(0, FB_SIZE - 1, (float*)(&sizes->color_lt)); success &= piglit_probe_pixel_rgb(FB_SIZE - 1, FB_SIZE - 1, (float*)(&sizes->color_right)); if (!success) fprintf(stderr, "Failed blit src(0,0;%d,%d) - dst(0,0;%d,%d)\n", sizes->read, sizes->read, sizes->write, sizes->write); glFlush(); return success; } enum piglit_result piglit_display(void) { bool success = 1; for (int i = 0; i < sizeof(fb_params) / sizeof(fb_params[0]); ++i) { success &= draw(&fb_params[i]); } return success ? PIGLIT_PASS : PIGLIT_FAIL; } void piglit_init(int argc, char **argv) { piglit_require_extension("GL_EXT_framebuffer_object"); piglit_require_extension("GL_EXT_framebuffer_blit"); }