tests: Add test for recompiling ARB fragment programHEADmain

3 files changed, 88 insertions, 0 deletions

diff --git a/tests/opengl.py b/tests/opengl.py
index 6bbb071f7..071a8843b 100644
--- a/tests/opengl.py
+++ b/tests/opengl.py
@@ -1863,6 +1863,7 @@ with profile.test_list.group_manager(
     g(['trinity-fp1'])
     g(['arb_fragment_program-sparse-samplers'], 'sparse-samplers')
     g(['arb_fragment_program-no-newline'], 'no-newline')
+    g(['arb_fragment_program-recompile'], 'recompile')
     g(['incomplete-texture', 'arb_fp'], 'incomplete-texture-arb_fp')
 
 with profile.test_list.group_manager(
diff --git a/tests/spec/arb_fragment_program/CMakeLists.gl.txt b/tests/spec/arb_fragment_program/CMakeLists.gl.txt
index 88ccfe7c1..d9643d56b 100644
--- a/tests/spec/arb_fragment_program/CMakeLists.gl.txt
+++ b/tests/spec/arb_fragment_program/CMakeLists.gl.txt
@@ -11,5 +11,6 @@ link_libraries (
 piglit_add_executable (arb_fragment_program-minmax minmax.c)
 piglit_add_executable (arb_fragment_program-sparse-samplers sparse-samplers.c)
 piglit_add_executable (arb_fragment_program-no-newline no-newline.c)
+piglit_add_executable (arb_fragment_program-recompile recompile.c)
 
 # vim: ft=cmake:
diff --git a/tests/spec/arb_fragment_program/recompile.c b/tests/spec/arb_fragment_program/recompile.c
new file mode 100644
index 000000000..1fbd4718b
--- /dev/null
+++ b/tests/spec/arb_fragment_program/recompile.c
@@ -0,0 +1,86 @@
+/* Copyright © 2025 Charlotte Pabst for Codeweavers
+ *
+ * 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.
+ */
+
+/* Test to make sure that replacing the source of a program
+ * works without issues.
+ */
+
+#include "piglit-util-gl.h"
+
+PIGLIT_GL_TEST_CONFIG_BEGIN
+
+	config.supports_gl_compat_version = 10;
+
+	config.window_width = 100;
+	config.window_height = 100;
+	config.window_visual = PIGLIT_GL_VISUAL_DOUBLE | PIGLIT_GL_VISUAL_RGBA;
+
+PIGLIT_GL_TEST_CONFIG_END
+
+enum piglit_result
+piglit_display(void)
+{
+	static const char *fp_source1 =
+		"!!ARBfp1.0\n"
+		"MOV result.color, {0, 0, 0, 0};\n"
+		"END\n";
+	static const char *fp_source2 =
+		"!!ARBfp1.0\n"
+		"TEMP x;"
+		"LRP result.color, fragment.texcoord[0], {0.1, 0.1}, {0.3, 0.3};\n"
+		"END\n";
+	const float expected1[] = { 0.0f, 0.0f, 0.0f, 0.0f };
+	const float expected2[] = { 0.2f, 0.2f, 0.0f, 1.0f };
+	GLuint prog;
+	bool pass = true;
+
+	glEnable(GL_FRAGMENT_PROGRAM_ARB);
+	glGenProgramsARB(1, &prog);
+	glBindProgramARB(GL_FRAGMENT_PROGRAM_ARB, prog);
+
+	glProgramStringARB(GL_FRAGMENT_PROGRAM_ARB,
+				GL_PROGRAM_FORMAT_ASCII_ARB,
+				strlen(fp_source1),
+				(const GLubyte *) fp_source1);
+	piglit_draw_rect_tex(-1, -1, 2, 2, 0, 0, 1, 1);
+	pass = pass && piglit_probe_pixel_rgba(piglit_width/2, piglit_height/2, expected1);
+
+	glProgramStringARB(GL_FRAGMENT_PROGRAM_ARB,
+				GL_PROGRAM_FORMAT_ASCII_ARB,
+				strlen(fp_source2),
+				(const GLubyte *) fp_source2);
+	piglit_draw_rect_tex(-1, -1, 2, 2, 0, 0, 1, 1);
+	pass = pass && piglit_probe_pixel_rgba(piglit_width/2, piglit_height/2, expected2);
+
+	piglit_present_results();
+
+	glDisable(GL_FRAGMENT_PROGRAM_ARB);
+	glDeleteProgramsARB(1, &prog);
+
+	return pass ? PIGLIT_PASS : PIGLIT_FAIL;
+}
+
+void
+piglit_init(int argc, char **argv)
+{
+	piglit_require_extension("GL_ARB_fragment_program");
+}