[Piglit] [PATCH 7/9] ARB_get_program_binary: Add some common functions

[Jordan Justen]

---
 .../spec/arb_get_program_binary/gpb-common.c  | 126 ++++++++++++++++++
 .../spec/arb_get_program_binary/gpb-common.h  |  37 +++++
 2 files changed, 163 insertions(+)
 create mode 100644 tests/spec/arb_get_program_binary/gpb-common.c
 create mode 100644 tests/spec/arb_get_program_binary/gpb-common.h

diff --git a/tests/spec/arb_get_program_binary/gpb-common.c b/tests/spec/arb_get_program_binary/gpb-common.c
new file mode 100644
index 000000000..06194696e
--- /dev/null
+++ b/tests/spec/arb_get_program_binary/gpb-common.c
@@ -0,0 +1,126 @@
+/*
+ * 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.
+ */
+
+#include "piglit-util-gl.h"
+#include "gpb-common.h"
+#include <stdlib.h>
+
+bool
+gpb_save_program(GLuint prog, void **binary, GLsizei *length, GLenum *format)
+{
+	GLsizei binary_length;
+	void *binary_buffer;
+	GLenum binary_format;
+	GLint ok;
+
+	glGetProgramiv(prog, GL_LINK_STATUS, &ok);
+	if (!ok) {
+		fprintf(stderr, "Can't save/restore program that is "
+			"not linked!\n");
+		piglit_report_result(PIGLIT_FAIL);
+	}
+
+	glGetProgramiv(prog, GL_PROGRAM_BINARY_LENGTH, &binary_length);
+	if (!piglit_check_gl_error(GL_NO_ERROR)) {
+		fprintf(stderr, "glGetProgramiv GL_PROGRAM_BINARY_LENGTH "
+		        "error\n");
+		piglit_report_result(PIGLIT_FAIL);
+	}
+
+	binary_buffer = malloc(binary_length);
+	if (!binary_buffer)
+		return false;
+
+	glGetProgramBinary(prog, binary_length, &binary_length, &binary_format,
+			   binary_buffer);
+	if (!piglit_check_gl_error(GL_NO_ERROR)) {
+		fprintf(stderr, "glGetProgramBinary error\n");
+		free(binary_buffer);
+		piglit_report_result(PIGLIT_FAIL);
+	}
+
+	*length = binary_length;
+	*binary = binary_buffer;
+	*format = binary_format;
+	return true;
+}
+
+bool
+gpb_restore_program(GLuint prog, void *binary, GLsizei length, GLenum format)
+{
+	GLint ok;
+
+	glProgramBinary(prog, format, binary, length);
+	if (!piglit_check_gl_error(GL_NO_ERROR)) {
+		fprintf(stderr, "glProgramBinary error "
+			"(should not happend according to spec.)\n");
+		piglit_report_result(PIGLIT_FAIL);
+	}
+
+	glGetProgramiv(prog, GL_LINK_STATUS, &ok);
+	if (!ok) {
+		fprintf(stderr, "link failure after glProgramBinary\n");
+		piglit_report_result(PIGLIT_FAIL);
+	}
+
+	return true;
+}
+
+bool
+gpb_save_restore(GLuint *prog)
+{
+	GLsizei bin_length;
+	void *binary;
+	GLenum bin_format;
+	GLuint new_prog;
+
+	if (!gpb_save_program(*prog, &binary, &bin_length, &bin_format)) {
+		fprintf(stderr,
+			"failed to save program with GetProgramBinary\n");
+		piglit_report_result(PIGLIT_FAIL);
+	}
+
+	new_prog = glCreateProgram();
+	if (!piglit_check_gl_error(GL_NO_ERROR)) {
+		free(binary);
+		piglit_report_result(PIGLIT_FAIL);
+	}
+
+	if (!gpb_restore_program(new_prog, binary, bin_length, bin_format)) {
+		free(binary);
+		fprintf(stderr, "failed to restore binary program\n");
+		piglit_report_result(PIGLIT_FAIL);
+	}
+	free(binary);
+
+	glUseProgram(new_prog);
+	if (!piglit_check_gl_error(GL_NO_ERROR))
+		piglit_report_result(PIGLIT_FAIL);
+
+	glDeleteProgram(*prog);
+	if (!piglit_check_gl_error(GL_NO_ERROR))
+		piglit_report_result(PIGLIT_FAIL);
+	*prog = new_prog;
+
+	return true;
+}
diff --git a/tests/spec/arb_get_program_binary/gpb-common.h b/tests/spec/arb_get_program_binary/gpb-common.h
new file mode 100644
index 000000000..f471241aa
--- /dev/null
+++ b/tests/spec/arb_get_program_binary/gpb-common.h
@@ -0,0 +1,37 @@
+/*
+ * 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.
+ */
+
+#pragma once
+#ifndef PIGLIT_GPB_COMMON_H
+#define PIGLIT_GPB_COMMON_H
+
+bool
+gpb_save_program(GLuint prog, void **binary, GLsizei *length, GLenum *format);
+
+bool
+gpb_restore_program(GLuint prog, void *binary, GLsizei length, GLenum format);
+
+bool
+gpb_save_restore(GLuint *prog);
+
+#endif
-- 
2.17.1