[Piglit] [PATCH 1/7] Port mipmap subtest of Glean FBO test to Piglit.
Fabian Bieler
fabianbieler at fastmail.fm
Sat Dec 9 12:52:27 UTC 2017
---
tests/all.py | 1 +
tests/spec/CMakeLists.txt | 1 +
.../spec/ext_framebuffer_object/CMakeLists.gl.txt | 13 +++
tests/spec/ext_framebuffer_object/CMakeLists.txt | 1 +
tests/spec/ext_framebuffer_object/mipmap.c | 128 +++++++++++++++++++++
5 files changed, 144 insertions(+)
create mode 100644 tests/spec/ext_framebuffer_object/CMakeLists.gl.txt
create mode 100644 tests/spec/ext_framebuffer_object/CMakeLists.txt
create mode 100644 tests/spec/ext_framebuffer_object/mipmap.c
diff --git a/tests/all.py b/tests/all.py
index 1d182e6..6aac4b9 100644
--- a/tests/all.py
+++ b/tests/all.py
@@ -3090,6 +3090,7 @@ with profile.test_list.group_manager(
g(['fbo-generatemipmap-npot'])
g(['fbo-generatemipmap-viewport'])
g(['fbo-maxsize'])
+ g(['ext_framebuffer_object-mipmap'])
g(['fbo-nodepth-test'])
g(['fbo-nostencil-test'])
g(['fbo-readpixels'])
diff --git a/tests/spec/CMakeLists.txt b/tests/spec/CMakeLists.txt
index 99fa95f..fe474b9 100644
--- a/tests/spec/CMakeLists.txt
+++ b/tests/spec/CMakeLists.txt
@@ -86,6 +86,7 @@ add_subdirectory (ext_frag_depth)
add_subdirectory (ext_fog_coord)
add_subdirectory (ext_framebuffer_multisample)
add_subdirectory (ext_framebuffer_multisample_blit_scaled)
+add_subdirectory (ext_framebuffer_object)
add_subdirectory (ext_memory_object)
add_subdirectory (ext_packed_depth_stencil)
add_subdirectory (ext_packed_float)
diff --git a/tests/spec/ext_framebuffer_object/CMakeLists.gl.txt b/tests/spec/ext_framebuffer_object/CMakeLists.gl.txt
new file mode 100644
index 0000000..bf5bf1c
--- /dev/null
+++ b/tests/spec/ext_framebuffer_object/CMakeLists.gl.txt
@@ -0,0 +1,13 @@
+include_directories(
+ ${GLEXT_INCLUDE_DIR}
+ ${OPENGL_INCLUDE_PATH}
+)
+
+link_libraries (
+ piglitutil_${piglit_target_api}
+ ${OPENGL_gl_LIBRARY}
+)
+
+piglit_add_executable (ext_framebuffer_object-mipmap mipmap.c)
+
+# vim: ft=cmake:
diff --git a/tests/spec/ext_framebuffer_object/CMakeLists.txt b/tests/spec/ext_framebuffer_object/CMakeLists.txt
new file mode 100644
index 0000000..144a306
--- /dev/null
+++ b/tests/spec/ext_framebuffer_object/CMakeLists.txt
@@ -0,0 +1 @@
+piglit_include_target_api()
diff --git a/tests/spec/ext_framebuffer_object/mipmap.c b/tests/spec/ext_framebuffer_object/mipmap.c
new file mode 100644
index 0000000..22de877
--- /dev/null
+++ b/tests/spec/ext_framebuffer_object/mipmap.c
@@ -0,0 +1,128 @@
+/*
+ * Copyrigth (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 mipmap.c
+ *
+ * Authors: Shuang He <shuang.he at intel.com>
+ *
+ * Draw solid colors to all levels of a 2D texture. Then draw rectangles to
+ * the framebuffer sampling from the texture.
+ */
+
+#include "piglit-util-gl.h"
+
+#define TEXSIZE 64
+
+enum { BLACK, RED, GREEN, BLUE, WHITE };
+
+static const GLfloat colors[][4] = {{0.0, 0.0, 0.0, 0.0},
+ {1.0, 0.0, 0.0, 1.0},
+ {0.0, 1.0, 0.0, 1.0},
+ {0.0, 0.0, 1.0, 1.0},
+ {1.0, 1.0, 1.0, 1.0}};
+
+PIGLIT_GL_TEST_CONFIG_BEGIN
+
+ config.supports_gl_compat_version = 11;
+
+ config.window_visual = PIGLIT_GL_VISUAL_RGB;
+ config.khr_no_error_support = PIGLIT_NO_ERRORS;
+
+PIGLIT_GL_TEST_CONFIG_END
+
+enum piglit_result
+piglit_display(void)
+{
+ GLuint fbo;
+ GLuint texture;
+
+ glGenFramebuffersEXT(1, &fbo);
+ glGenTextures(1, &texture);
+
+ glBindTexture(GL_TEXTURE_2D, texture);
+ glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, fbo);
+ glDisable(GL_TEXTURE_2D);
+
+ for (int i = TEXSIZE, level = 0; i > 0; i /= 2, level++) {
+ glTexImage2D(GL_TEXTURE_2D, level, GL_RGB, i, i, 0, GL_RGB,
+ GL_INT, NULL);
+
+ glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT,
+ GL_COLOR_ATTACHMENT0_EXT,
+ GL_TEXTURE_2D, texture, level);
+
+ const GLenum e =
+ glCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT);
+ if (e != GL_FRAMEBUFFER_COMPLETE_EXT) {
+ printf("FBO incomplete (%x): %s\n",
+ e, piglit_get_gl_enum_name(e));
+ return PIGLIT_FAIL;
+ }
+
+ glColor4fv(colors[RED + (level % (WHITE - RED))]);
+ glClear(GL_COLOR_BUFFER_BIT);
+
+ piglit_draw_rect(0, 0, TEXSIZE, TEXSIZE);
+ }
+
+ glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
+ glEnable(GL_TEXTURE_2D);
+
+ /* Render to the window */
+ glClear(GL_COLOR_BUFFER_BIT);
+ glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+ glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,
+ GL_NEAREST_MIPMAP_NEAREST);
+ glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
+
+ for (int i = TEXSIZE, x = 0; i > 0; i /= 2) {
+ piglit_draw_rect_tex(x, 0, i, i, 0, 0, 1, 1);
+ x += i;
+ assert(x < piglit_width);
+ }
+
+ /* Check result */
+ bool pass = true;
+ for (int i = TEXSIZE, x = 0, level = 0;
+ i > 1;
+ x += i, i /= 2, level++) {
+
+ if (!piglit_probe_pixel_rgb(
+ x, 0, colors[RED + (level % (WHITE - RED))])) {
+ printf("level = %d\n", level);
+ pass = false;
+ }
+ }
+
+ piglit_present_results();
+
+ return pass ? PIGLIT_PASS : PIGLIT_FAIL;
+}
+
+void
+piglit_init(int argc, char **argv)
+{
+ piglit_require_extension("GL_EXT_framebuffer_object");
+ piglit_ortho_projection(piglit_width, piglit_height, GL_FALSE);
+}
--
2.7.4
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