[Piglit] [PATCH 2/2] texture-storage: test GL_ARB_texture_storage

Brian Paul brianp at vmware.com
Wed Oct 26 18:33:34 PDT 2011


Note, this test depends on glew 1.7.0.  Otherwise it's skipped.
---
 tests/all.tests                                  |    4 +
 tests/spec/CMakeLists.txt                        |    1 +
 tests/spec/arb_texture_storage/CMakeLists.gl.txt |   17 +
 tests/spec/arb_texture_storage/CMakeLists.txt    |    1 +
 tests/spec/arb_texture_storage/texture-storage.c |  372 ++++++++++++++++++++++
 5 files changed, 395 insertions(+), 0 deletions(-)
 create mode 100644 tests/spec/arb_texture_storage/CMakeLists.gl.txt
 create mode 100644 tests/spec/arb_texture_storage/CMakeLists.txt
 create mode 100644 tests/spec/arb_texture_storage/texture-storage.c

diff --git a/tests/all.tests b/tests/all.tests
index 9f9fadf..00c2c93 100644
--- a/tests/all.tests
+++ b/tests/all.tests
@@ -986,6 +986,10 @@ add_shader_test_dir(arb_texture_rectangle,
                     os.path.dirname(__file__) + '/spec/arb_texture_rectangle',
                     recursive=True)
 
+arb_texture_storage = Group()
+spec['ARB_texture_storage'] = arb_texture_storage
+add_plain_test(arb_texture_storage, 'texture-storage')
+
 tdfx_texture_compression_fxt1 = Group()
 spec['3DFX_texture_compression_FXT1'] = tdfx_texture_compression_fxt1
 add_fbo_generatemipmap_extension(tdfx_texture_compression_fxt1, 'GL_3DFX_texture_compression_FXT1', 'fbo-generatemipmap-formats')
diff --git a/tests/spec/CMakeLists.txt b/tests/spec/CMakeLists.txt
index 13417c4..46f5ee7 100644
--- a/tests/spec/CMakeLists.txt
+++ b/tests/spec/CMakeLists.txt
@@ -11,6 +11,7 @@ add_subdirectory (arb_shader_objects)
 add_subdirectory (ati_draw_buffers)
 add_subdirectory (arb_texture_compression)
 add_subdirectory (arb_texture_float)
+add_subdirectory (arb_texture_storage)
 add_subdirectory (arb_transform_feedback2)
 add_subdirectory (ati_envmap_bumpmap)
 add_subdirectory (ext_fog_coord)
diff --git a/tests/spec/arb_texture_storage/CMakeLists.gl.txt b/tests/spec/arb_texture_storage/CMakeLists.gl.txt
new file mode 100644
index 0000000..d2fb999
--- /dev/null
+++ b/tests/spec/arb_texture_storage/CMakeLists.gl.txt
@@ -0,0 +1,17 @@
+include_directories(
+	${GLEXT_INCLUDE_DIR}
+	${OPENGL_INCLUDE_PATH}
+	${GLUT_INCLUDE_DIR}
+	${piglit_SOURCE_DIR}/tests/util
+)
+
+link_libraries (
+	piglitutil
+	${OPENGL_gl_LIBRARY}
+	${OPENGL_glu_LIBRARY}
+	${GLUT_glut_LIBRARY}
+)
+
+add_executable (arb_texture_storage-texture-storage texture-storage.c)
+
+# vim: ft=cmake:
diff --git a/tests/spec/arb_texture_storage/CMakeLists.txt b/tests/spec/arb_texture_storage/CMakeLists.txt
new file mode 100644
index 0000000..144a306
--- /dev/null
+++ b/tests/spec/arb_texture_storage/CMakeLists.txt
@@ -0,0 +1 @@
+piglit_include_target_api()
diff --git a/tests/spec/arb_texture_storage/texture-storage.c b/tests/spec/arb_texture_storage/texture-storage.c
new file mode 100644
index 0000000..9848b0b
--- /dev/null
+++ b/tests/spec/arb_texture_storage/texture-storage.c
@@ -0,0 +1,372 @@
+/*
+ * Copyright (c) 2011 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
+ * on the rights to use, copy, modify, merge, publish, distribute, sub
+ * license, 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
+ * NON-INFRINGEMENT.  IN NO EVENT SHALL VMWARE AND/OR THEIR SUPPLIERS
+ * 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.
+ */
+
+/**
+ * Tests GL_ARB_texture_storage
+ * Note: only the glTexStorage2D() function is tested with actual rendering.
+ * Brian Paul
+ */
+
+#include "piglit-util.h"
+#include "piglit-glx-util.h"
+
+int piglit_width = 100, piglit_height = 100;
+int piglit_window_mode = GLUT_RGB | GLUT_ALPHA | GLUT_DOUBLE;
+static const char *TestName = "texture-storage";
+
+#ifdef GL_ARB_texture_storage
+
+
+static GLubyte Colors[][4] = {
+	{255,	0,	0, 255},
+	{  0, 255,	0, 255},
+	{  0,	0, 255, 255},
+	{  0, 255, 255, 255},
+	{255,	0, 255, 255},
+	{255, 255,	0, 255},
+	{255, 255, 255, 255},
+	{128,	0,	0, 255},
+	{  0, 128,	0, 255},
+	{  0,	0, 128, 255}
+};
+
+
+/**
+ * Do error-check tests for a non-mipmapped texture.
+ */
+static GLboolean
+test_one_level_errors(GLenum target)
+{
+	const GLint width = 64, height = 4, depth = 8;
+	const char *targetString = "";
+	GLuint tex;
+	GLint v;
+
+	assert(target == GL_TEXTURE_1D ||
+	       target == GL_TEXTURE_2D ||
+	       target == GL_TEXTURE_3D);
+
+	glGenTextures(1, &tex);
+	glBindTexture(target, tex);
+
+	if (target == GL_TEXTURE_1D) {
+		glTexStorage1D(target, 1, GL_RGBA, width);
+		targetString = "GL_TEXTURE_1D";
+	}
+	else if (target == GL_TEXTURE_2D) {
+		glTexStorage2D(target, 1, GL_RGBA, width, height);
+		targetString = "GL_TEXTURE_2D";
+	}
+	else if (target == GL_TEXTURE_3D) {
+		glTexStorage3D(target, 1, GL_RGBA, width, height, depth);
+		targetString = "GL_TEXTURE_3D";
+	}
+
+	glGetTexLevelParameteriv(target, 0, GL_TEXTURE_WIDTH, &v);
+	if (v != width) {
+		printf("%s: bad width: %d, should be %d\n", TestName, v, width);
+		return GL_FALSE;
+	}
+
+	if (target != GL_TEXTURE_1D) {
+		glGetTexLevelParameteriv(target, 0, GL_TEXTURE_HEIGHT, &v);
+		if (v != height) {
+			printf("%s: bad height: %d, should be %d\n", TestName, v, height);
+			return GL_FALSE;
+		}
+	}
+
+	if (target == GL_TEXTURE_3D) {
+		glGetTexLevelParameteriv(target, 0, GL_TEXTURE_DEPTH, &v);
+		if (v != depth) {
+			printf("%s: bad depth: %d, should be %d\n", TestName, v, depth);
+			return GL_FALSE;
+		}
+	}
+
+	/*
+	 * Test immutability.
+	 */
+	if (target == GL_TEXTURE_2D) {
+		glTexImage2D(target, 0, GL_RGBA, width, height, 0,
+			     GL_RGBA, GL_UNSIGNED_BYTE, NULL);
+		if (glGetError() != GL_INVALID_OPERATION) {
+			printf("%s: glTexImage2D failed to generate error\n", TestName);
+			return GL_FALSE;
+		}
+
+		glTexStorage2D(target, 1, GL_RGBA, width, height);
+		if (glGetError() != GL_INVALID_OPERATION) {
+			printf("%s: glTexStorage2D() failed to generate error\n", TestName);
+			return GL_FALSE;
+		}
+
+		glCopyTexImage2D(target, 0, GL_RGBA, 0, 0, width, height, 0);
+		if (glGetError() != GL_INVALID_OPERATION) {
+			printf("%s: glCopyTexImage2D() failed to generate error\n", TestName);
+			return GL_FALSE;
+		}
+	}
+
+	glDeleteTextures(1, &tex);
+
+	return GL_TRUE;
+}
+
+
+/**
+ * Do error-check tests for a mipmapped texture.
+ */
+static GLboolean
+test_mipmap_errors(GLenum target)
+{
+	GLint width = 128, height = 64, depth = 4, levels = 8;
+	const char *targetString = "";
+	GLuint tex;
+	GLint v, l;
+
+	assert(target == GL_TEXTURE_1D ||
+	       target == GL_TEXTURE_2D ||
+	       target == GL_TEXTURE_3D);
+
+	glGenTextures(1, &tex);
+	glBindTexture(target, tex);
+
+	if (target == GL_TEXTURE_1D) {
+		glTexStorage1D(target, levels, GL_RGBA, width);
+		targetString = "GL_TEXTURE_1D";
+	}
+	else if (target == GL_TEXTURE_2D) {
+		glTexStorage2D(target, levels, GL_RGBA, width, height);
+		targetString = "GL_TEXTURE_2D";
+	}
+	else if (target == GL_TEXTURE_3D) {
+		glTexStorage3D(target, levels, GL_RGBA, width, height, depth);
+		targetString = "GL_TEXTURE_3D";
+	}
+
+	glGetTexParameteriv(target, GL_TEXTURE_IMMUTABLE_FORMAT, &v);
+	if (!v) {
+		printf("%s: %s GL_TEXTURE_IMMUTABLE_FORMAT query returned false\n",		       TestName, targetString);
+		return GL_FALSE;
+	}
+
+	for (l = 0; l < levels; l++) {
+		glGetTexLevelParameteriv(target, l, GL_TEXTURE_WIDTH, &v);
+		if (v != width) {
+			printf("%s: %s level %d: bad width: %d, should be %d\n",
+			       TestName, targetString, l, v, width);
+			return GL_FALSE;
+		}
+
+		if (target != GL_TEXTURE_1D) {
+			glGetTexLevelParameteriv(target, l, GL_TEXTURE_HEIGHT, &v);
+			if (v != height) {
+				printf("%s: %s level %d: bad height: %d, should be %d\n",
+				       TestName, targetString, l, v, height);
+				return GL_FALSE;
+			}
+		}
+
+		if (target == GL_TEXTURE_3D) {
+			glGetTexLevelParameteriv(target, l, GL_TEXTURE_DEPTH, &v);
+			if (v != depth) {
+				printf("%s: %s level %d: bad depth: %d, should be %d\n",
+				       TestName, targetString, l, v, depth);
+				return GL_FALSE;
+			}
+		}
+
+		if (width > 1)
+			width /= 2;
+		if (height > 1)
+			height /= 2;
+		if (depth > 1)
+			depth /= 2;
+	}
+
+	glDeleteTextures(1, &tex);
+
+	return GL_TRUE;
+}
+
+
+/**
+ * Create a single-color image.
+ */
+static GLubyte *
+create_image(GLint w, GLint h, const GLubyte color[4])
+{
+	GLubyte *buf = (GLubyte *) malloc(w * h * 4);
+	int i;
+	for (i = 0; i < w * h; i++) {
+		buf[i*4+0] = color[0];
+		buf[i*4+1] = color[1];
+		buf[i*4+2] = color[2];
+		buf[i*4+3] = color[3];
+	}
+	return buf;
+}
+
+
+/**
+ * Test a mip-mapped texture w/ rendering.
+ */
+static GLboolean
+test_2d_mipmap_rendering(void)
+{
+	GLuint tex;
+	GLint width = 128, height = 64, levels = 8;
+	GLint v, l;
+
+	glGenTextures(1, &tex);
+	glBindTexture(GL_TEXTURE_2D, tex);
+
+	glTexStorage2D(GL_TEXTURE_2D, levels, GL_RGBA, width, height);
+
+	/* check that the mipmap level sizes are correct */
+	for (l = 0; l < levels; l++) {
+		GLubyte *buf = create_image(width, height, Colors[l]);
+
+		glTexSubImage2D(GL_TEXTURE_2D, l, 0, 0, width, height,
+				GL_RGBA, GL_UNSIGNED_BYTE, buf);
+
+		free(buf);
+
+		glGetTexLevelParameteriv(GL_TEXTURE_2D, l, GL_TEXTURE_WIDTH, &v);
+		if (v != width) {
+			printf("%s: level %d: bad width: %d, should be %d\n",
+					 TestName, l, v, width);
+			return GL_FALSE;
+		}
+
+		glGetTexLevelParameteriv(GL_TEXTURE_2D, l, GL_TEXTURE_HEIGHT, &v);
+		if (v != height) {
+			printf("%s: level %d: bad height: %d, should be %d\n",
+					 TestName, l, v, height);
+			return GL_FALSE;
+		}
+
+		if (width > 1)
+			width /= 2;
+		if (height > 1)
+			height /= 2;
+	}
+
+	/* This should generate and error (bad level) */
+	{
+		GLubyte *buf = create_image(width, height, Colors[l]);
+		GLenum err;
+
+		glTexSubImage2D(GL_TEXTURE_2D, levels, 0, 0, width, height,
+				GL_RGBA, GL_UNSIGNED_BYTE, buf);
+
+		err = glGetError();
+		if (err == GL_NO_ERROR) {
+			printf("%s: glTexSubImage2D(illegal level) failed to generate an error.\n",
+			       TestName);
+			return GL_FALSE;
+		}
+
+		free(buf);
+	}
+
+	/* now do a rendering test */
+	glEnable(GL_TEXTURE_2D);
+	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST_MIPMAP_NEAREST);
+	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+
+	/* draw a quad using each texture mipmap level */
+	for (l = 0; l < levels; l++) {
+		GLfloat expected[4];
+		GLint p;
+
+		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_BASE_LEVEL, l);
+		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, l);
+
+		glClear(GL_COLOR_BUFFER_BIT);
+
+		piglit_draw_rect_tex(-1.0, -1.0, 2.0, 2.0,
+				     0.0, 0.0, 1.0, 1.0);
+
+		expected[0] = Colors[l][0] / 255.0;
+		expected[1] = Colors[l][1] / 255.0;
+		expected[2] = Colors[l][2] / 255.0;
+		expected[3] = Colors[l][3] / 255.0;
+
+		p = piglit_probe_pixel_rgb(piglit_width/2, piglit_height/2,
+					   expected);
+
+		glutSwapBuffers();
+
+		if (!p) {
+			printf("%s: wrong color for mipmap level %d\n",
+			       TestName, l);
+			return GL_FALSE;
+		}
+	}
+
+	glDisable(GL_TEXTURE_2D);
+
+	glDeleteTextures(1, &tex);
+
+	return GL_TRUE;
+}
+
+#endif /* GL_ARB_texture_storage */
+
+
+enum piglit_result
+piglit_display(void)
+{
+	GLboolean pass = GL_TRUE;
+
+#ifdef GL_ARB_texture_storage
+	pass = pass && test_one_level_errors(GL_TEXTURE_1D);
+	pass = pass && test_one_level_errors(GL_TEXTURE_2D);
+	pass = pass && test_one_level_errors(GL_TEXTURE_3D);
+	pass = pass && test_mipmap_errors(GL_TEXTURE_1D);
+	pass = pass && test_mipmap_errors(GL_TEXTURE_2D);
+	pass = pass && test_mipmap_errors(GL_TEXTURE_3D);
+	pass = pass && test_2d_mipmap_rendering();
+#endif /* GL_ARB_texture_storage */
+
+	return pass ? PIGLIT_PASS : PIGLIT_FAIL;
+}
+
+
+void
+piglit_init(int argc, char **argv)
+{
+#ifdef GL_ARB_texture_storage
+	if (GLEW_ARB_texture_storage) {
+		piglit_require_extension("GL_ARB_texture_storage");
+	}
+	else {
+		piglit_report_result(PIGLIT_SKIP);
+	}
+#else
+	piglit_report_result(PIGLIT_SKIP);
+#endif
+}
-- 
1.7.3.4



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