[Piglit] [PATCH] Add test case to verify glClearBuffer support in display list

Anuj Phogat anuj.phogat at gmail.com
Wed Dec 14 14:06:04 PST 2011


Adding a test case to verify that glClearBuffer[fui]v functions are supported
in display lists

Signed-off-by: Anuj Phogat <anuj.phogat at gmail.com>
---
 This test case depends on few functions defined in patch sent for
 clearbuffer-mixed-format test case.

 tests/all.tests                                  |    1 +
 tests/spec/gl-3.0/api/CMakeLists.gl.txt          |    1 +
 tests/spec/gl-3.0/api/clearbuffer-display-list.c |  212 ++++++++++++++++++++++
 3 files changed, 214 insertions(+), 0 deletions(-)
 create mode 100644 tests/spec/gl-3.0/api/clearbuffer-display-list.c

diff --git a/tests/all.tests b/tests/all.tests
index 8bfd373..0dd6428 100644
--- a/tests/all.tests
+++ b/tests/all.tests
@@ -810,6 +810,7 @@ add_concurrent_test(gl30, 'clearbuffer-invalid-drawbuffer')
 add_concurrent_test(gl30, 'clearbuffer-invalid-buffer')
 add_concurrent_test(gl30, 'clearbuffer-stencil')
 add_concurrent_test(gl30, 'clearbuffer-mixed-format')
+add_concurrent_test(gl30, 'clearbuffer-display-list')
 add_concurrent_test(gl30, 'getfragdatalocation')
 gl30['minmax'] = concurrent_test('gl-3.0-minmax')
 add_concurrent_test(gl30, 'gl-3.0-required-sized-texture-formats')
diff --git a/tests/spec/gl-3.0/api/CMakeLists.gl.txt b/tests/spec/gl-3.0/api/CMakeLists.gl.txt
index 5a34380..3b54b4a 100644
--- a/tests/spec/gl-3.0/api/CMakeLists.gl.txt
+++ b/tests/spec/gl-3.0/api/CMakeLists.gl.txt
@@ -19,6 +19,7 @@ add_executable (clearbuffer-invalid-drawbuffer clearbuffer-invalid-drawbuffer.c)
 add_executable (clearbuffer-invalid-buffer clearbuffer-invalid-buffer.c)
 add_executable (clearbuffer-stencil clearbuffer-common.c clearbuffer-stencil.c)
 add_executable (clearbuffer-mixed-format clearbuffer-common.c clearbuffer-mixed-format.c)
+add_executable (clearbuffer-display-list clearbuffer-common.c clearbuffer-display-list.c)
 add_executable (getfragdatalocation getfragdatalocation.c)
 
 # vim: ft=cmake:
diff --git a/tests/spec/gl-3.0/api/clearbuffer-display-list.c b/tests/spec/gl-3.0/api/clearbuffer-display-list.c
new file mode 100644
index 0000000..f7af75a
--- /dev/null
+++ b/tests/spec/gl-3.0/api/clearbuffer-display-list.c
@@ -0,0 +1,212 @@
+/* Copyright © 2011 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 clearbuffer-display-list.c
+ * Verify glClearBufferfv/glClearBufferiv/glClearBufferuiv are supported in
+ * display lists
+ *
+ * This test works by generating several mixed foarmt color framebuffer objects
+ * and attempting to clear the color buffer of those FBOs using display lists.
+ *
+ * \author Anuj Phogat
+ */
+
+#include "piglit-util.h"
+#include "clearbuffer-common.h"
+
+#define COUNT ARRAY_SIZE(test_vectors)
+
+void piglit_init(int argc, char **argv)
+{
+	static const float fcolor[4][4] = {
+		{ 0.5,  0.3,  0.7,  0.0 },
+		{ 0.8,  0.0,  0.2,  1.0 },
+		{ 1.2, -2.9,  0.2,  5.8 },
+		{ 0.5,  2.5, -5.2,  1.0 } };
+
+	static const unsigned int  uicolor[4][4] = {
+		{  10,   90, 100, 150 },
+		{ 100,  190, 200,  15 },
+		{  15,   25,  20,  15 },
+		{  10,   80,  0,   25 }, };
+
+	static const int  icolor[4][4] = {
+		{ -10,  -90, 100,  15 },
+		{ 100,  190, 200, -15 },
+		{ -50,  -50, -50,  50 },
+		{ -80,  170,   0,   0 } };
+
+	static const struct {
+		GLenum fb_format;
+		GLenum rp_format;
+		GLenum type;
+		GLvoid *clear_color;
+	} test_vectors[] = {
+		/* GL_RGBA8, GL_RGBA16 clamps the color vaues to [0, 1] */
+		{ GL_RGBA8,		GL_RGBA,
+		  GL_FLOAT,		(GLvoid *)fcolor[0] },
+		{ GL_RGBA16,		GL_RGBA,
+		  GL_FLOAT,		(GLvoid *)fcolor[1] },
+
+		/* GL_RGBA16F, GL_RGBA32F doesn't clamp color values to [0, 1] */
+		{ GL_RGBA16F,		GL_RGBA,
+		  GL_FLOAT,		(GLvoid *)fcolor[2] },
+		{ GL_RGBA32F,		GL_RGBA,
+		  GL_FLOAT,		(GLvoid *)fcolor[3] },
+
+		/* Integer formats */
+		{ GL_RGBA8UI,		GL_RGBA_INTEGER,
+		  GL_UNSIGNED_INT,	(GLvoid *)uicolor[0] },
+		{ GL_RGBA16UI,		GL_RGBA_INTEGER,
+		  GL_UNSIGNED_INT,	(GLvoid *)uicolor[1] },
+		{ GL_RGBA32UI,		GL_RGBA_INTEGER,
+		  GL_UNSIGNED_INT,	(GLvoid *)uicolor[2] },
+
+		{ GL_RGBA8I,		GL_RGBA_INTEGER,
+		  GL_INT,		(GLvoid *)icolor[0] },
+		{ GL_RGBA16I,		GL_RGBA_INTEGER,
+		  GL_INT,		(GLvoid *)icolor[1] },
+		{ GL_RGBA32I,		GL_RGBA_INTEGER,
+		  GL_INT,		(GLvoid *)icolor[2] },
+	};
+
+	GLuint fb[COUNT], index;
+	bool pass = true;
+	GLenum err;
+	int i, j;
+
+	piglit_require_gl_version(30);
+	index = glGenLists(COUNT);
+
+
+        for (i = 0; i < COUNT; i++) {
+		fb[i] = generate_color_fbo(test_vectors[i].fb_format);
+
+		if (fb[i] == 0) {
+			if (!piglit_automatic) {
+				printf("Skipping framebuffer %d  with color"
+				       " renderbuffer attachment\n",
+				       i);
+			}
+		}
+		if (!piglit_automatic)
+			printf("Created framebuffer %d with a color"
+			       " renderbuffer attachment\n",
+			       i);
+
+		/* Make display list to clear color buffer to a unique color */
+		switch (test_vectors[i].type) {
+
+		/*Float buffer types*/
+		case GL_FLOAT:
+			glNewList(index + i, GL_COMPILE);
+			glClearBufferfv(GL_COLOR,
+					0,
+					(GLfloat *)test_vectors[i].clear_color);
+			glEndList();
+
+			glCallList(index + i);
+			/* Test the pixel values of color buffer against
+			 * expected color values
+			 */
+			pass = pass && probe_rect_color(0,
+							0,
+							piglit_width, piglit_height,
+							test_vectors[i].rp_format,
+							test_vectors[i].type,
+							test_vectors[i].clear_color);
+			break;
+
+		/* Signed/unsigned integer buffer types */
+		case GL_INT:
+			glNewList(index + i, GL_COMPILE);
+			glClearBufferiv(GL_COLOR,
+					0,
+					(GLint *)test_vectors[i].clear_color);
+			glEndList();
+
+			glCallList(index + i);
+			/* Test the pixel values of color buffer against
+			 * expected color values
+			 */
+			pass = pass && probe_rect_color(0,
+							0,
+							piglit_width, piglit_height,
+							test_vectors[i].rp_format,
+							test_vectors[i].type,
+							test_vectors[i].clear_color);
+			break;
+
+		case GL_UNSIGNED_INT:
+			glNewList(index + i, GL_COMPILE);
+			glClearBufferuiv(GL_COLOR,
+					 0,
+					 (GLuint *)test_vectors[i].clear_color);
+			glEndList();
+
+			glCallList(index + i);
+			/* Test the pixel values of color buffer against
+			 * expected color values
+			 */
+			pass = pass && probe_rect_color(0,
+							0,
+							piglit_width, piglit_height,
+							test_vectors[i].rp_format,
+							test_vectors[i].type,
+							test_vectors[i].clear_color);
+			break;
+
+		}
+
+		/* Check GL error */
+		err = glGetError();
+		if (err != GL_NO_ERROR) {
+			piglit_get_gl_error_name(err);
+			pass = false;
+		}
+
+		/* Test the color buffer values of all existing FBOs against
+		 * their expected color values. Previously issued glClearBuffer
+		 * functions (in display list) should not modify color buffers
+		 * of other existing FBOs
+		 */
+		for (j = 0; j < i; j++)
+		{
+			/* Bind previously created FBO */
+			glBindFramebuffer(GL_FRAMEBUFFER, fb[j]);
+			pass = pass && probe_rect_color(0,
+							0,
+							piglit_width, piglit_height,
+							test_vectors[j].rp_format,
+							test_vectors[j].type,
+							test_vectors[j].clear_color);
+		}
+	}
+	/* Delete all generated framebuffer objects */
+	glDeleteFramebuffers(COUNT, fb);
+	/* Delete all display lists */
+	glDeleteLists(index, COUNT);
+	piglit_check_gl_error(GL_NO_ERROR, PIGLIT_FAIL);
+	piglit_present_results();
+	piglit_report_result(pass ? PIGLIT_PASS : PIGLIT_FAIL);
+}
-- 
1.7.7.4



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