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authorJordan Justen <jordan.l.justen@intel.com>2018-06-08 22:27:57 -0700
committerJordan Justen <jordan.l.justen@intel.com>2018-06-11 01:19:25 -0700
commitf1dc46ddf8c1f033ae24d322deff663889b2267d (patch)
treeea765ea245797acd298ecc8a3270c684bd3a36fe
parent51168665cfe1fda4a5d9c1a89e23b34c194622ff (diff)
ARB_get_program_binary: Test that restoring active program takes effect
Ref: https://bugs.freedesktop.org/show_bug.cgi?id=106810 Signed-off-by: Jordan Justen <jordan.l.justen@intel.com> Reviewed-by: Timothy Arceri <tarceri@itsqueeze.com>
-rw-r--r--tests/spec/arb_get_program_binary/CMakeLists.gl.txt2
-rw-r--r--tests/spec/arb_get_program_binary/restore-implicit-use-program.c145
2 files changed, 147 insertions, 0 deletions
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;
+}