[Piglit] [PATCH 9/9] ARB_get_program_binary: Test that restoring active program takes effect

Jordan Justen jordan.l.justen at intel.com
Sat Jun 9 05:48:07 UTC 2018


Signed-off-by: Jordan Justen <jordan.l.justen at intel.com>
Cc: Timothy Arceri <tarceri at itsqueeze.com>
---
 .../arb_get_program_binary/CMakeLists.gl.txt  |   2 +
 .../restore-implicit-use-program.c            | 145 ++++++++++++++++++
 2 files changed, 147 insertions(+)
 create mode 100644 tests/spec/arb_get_program_binary/restore-implicit-use-program.c

diff --git a/tests/spec/arb_get_program_binary/CMakeLists.gl.txt b/tests/spec/arb_get_program_binary/CMakeLists.gl.txt
index 2f2b99aaa..0032d9f2a 100644
--- a/tests/spec/arb_get_program_binary/CMakeLists.gl.txt
+++ b/tests/spec/arb_get_program_binary/CMakeLists.gl.txt
@@ -12,5 +12,7 @@ piglit_add_executable (arb_get_program_binary-api-errors api-errors.c)
 piglit_add_executable (arb_get_program_binary-overrun overrun.c)
 piglit_add_executable (arb_get_program_binary-retrievable_hint retrievable_hint.c)
 piglit_add_executable (arb_get_program_binary-reset-uniform reset-uniform.c gpb-common.c)
+piglit_add_executable (arb_get_program_binary-restore-implicit-use-program
+                       restore-implicit-use-program.c gpb-common.c)
 
 # vim: ft=cmake:
diff --git a/tests/spec/arb_get_program_binary/restore-implicit-use-program.c b/tests/spec/arb_get_program_binary/restore-implicit-use-program.c
new file mode 100644
index 000000000..51060c8e5
--- /dev/null
+++ b/tests/spec/arb_get_program_binary/restore-implicit-use-program.c
@@ -0,0 +1,145 @@
+/*
+ * 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 restore-implicit-use-program.c
+ *
+ * Ref: https://bugs.freedesktop.org/show_bug.cgi?id=106810
+ *
+ * From section 7.3 (Program Objects) of the OpenGL 4.5 spec:
+ *
+ *    "If LinkProgram or ProgramBinary successfully re-links a program
+ *     object that is active for any shader stage, then the newly generated
+ *     executable code will be installed as part of the current rendering
+ *     state for all shader stages where the program is active.
+ *     Additionally, the newly generated executable code is made part of
+ *     the state of any program pipeline for all stages where the program
+ *     is attached."
+ */
+
+#include "piglit-util-gl.h"
+#include "gpb-common.h"
+#include <stdlib.h>
+
+PIGLIT_GL_TEST_CONFIG_BEGIN
+
+	config.supports_gl_compat_version = 30;
+	config.window_visual = PIGLIT_GL_VISUAL_RGB;
+	config.khr_no_error_support = PIGLIT_NO_ERRORS;
+
+PIGLIT_GL_TEST_CONFIG_END
+
+void
+piglit_init(int argc, char **argv)
+{
+	GLsizei bin_length;
+	void *green_binary;
+	GLenum bin_format;
+	int num_formats = 0;
+	float red[] = { 1.0, 0.0, 0.0, 1.0 };
+	float green[] = { 0.0, 1.0, 0.0, 1.0 };
+	GLuint green_prog, red_then_green_prog;
+	bool pass = true;
+
+	static const char vs_source[] =
+		"void main()\n"
+		"{\n"
+		"    gl_Position = gl_Vertex;\n"
+		"}\n";
+	static const char green_fs_source[] =
+		"#version 120\n"
+		"void main()\n"
+		"{\n"
+		"        gl_FragColor = vec4(0.0, 1.0, 0.0, 1.0);\n"
+		"}\n";
+	static const char red_fs_source[] =
+		"#version 120\n"
+		"void main()\n"
+		"{\n"
+		"        gl_FragColor = vec4(1.0, 0.0, 0.0, 1.0);\n"
+		"}\n";
+
+	piglit_require_extension("GL_ARB_get_program_binary");
+
+	glGetIntegerv(GL_NUM_PROGRAM_BINARY_FORMATS, &num_formats);
+	if (num_formats == 0)
+		piglit_report_result(PIGLIT_SKIP);
+
+	green_prog = piglit_build_simple_program(vs_source, green_fs_source);
+	glUseProgram(green_prog);
+
+	glClearColor(1.0, 0.0, 0.0, 1.0);
+	glClear(GL_COLOR_BUFFER_BIT);
+	piglit_draw_rect(-1.0f, -1.0f, 2.0f, 2.0f);
+	pass = piglit_probe_rect_rgba(0, 0, piglit_width, piglit_height,
+				      green) && pass;
+
+	red_then_green_prog = piglit_build_simple_program(vs_source,
+							  red_fs_source);
+	glUseProgram(red_then_green_prog);
+
+	if (!gpb_save_program(green_prog, &green_binary, &bin_length,
+			      &bin_format)) {
+		fprintf(stderr,
+			"failed to save program with GetProgramBinary\n");
+		piglit_report_result(PIGLIT_FAIL);
+	}
+
+	/* We just built and activated the red program. We saved out
+	 * the green program, but that should not impact drawing with
+	 * the red program.
+	 */
+	glClearColor(0.0, 1.0, 0.0, 1.0);
+	glClear(GL_COLOR_BUFFER_BIT);
+	piglit_draw_rect(-1.0f, -1.0f, 2.0f, 2.0f);
+	pass = piglit_probe_rect_rgba(0, 0, piglit_width, piglit_height,
+				      red) && pass;
+
+	/* Restore the 'green' program over the 'red_then_green_prog'
+	 * handle. Since red_then_green_prog is currently bound, we
+	 * expect supsequent draws will be green without having to
+	 * rebind the program.
+	 */
+	if (!gpb_restore_program(red_then_green_prog, green_binary, bin_length,
+				 bin_format)) {
+		free(green_binary);
+		fprintf(stderr, "failed to restore binary program\n");
+		piglit_report_result(PIGLIT_FAIL);
+	}
+	free(green_binary);
+
+	/* Verify drawing now produces green. */
+	glClearColor(1.0, 0.0, 0.0, 1.0);
+	glClear(GL_COLOR_BUFFER_BIT);
+	piglit_draw_rect(-1.0f, -1.0f, 2.0f, 2.0f);
+	pass = piglit_probe_rect_rgba(0, 0, piglit_width, piglit_height,
+				      green) && pass;
+
+	piglit_report_result(pass ? PIGLIT_PASS : PIGLIT_FAIL);
+}
+
+enum piglit_result
+piglit_display(void)
+{
+	return PIGLIT_FAIL;
+}
-- 
2.17.1



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