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-rw-r--r--tests/all.py1
-rw-r--r--tests/spec/arb_shader_image_load_store/CMakeLists.gl.txt1
-rw-r--r--tests/spec/arb_shader_image_load_store/unused.c178
3 files changed, 180 insertions, 0 deletions
diff --git a/tests/all.py b/tests/all.py
index 690ae3c38..eb50bbfad 100644
--- a/tests/all.py
+++ b/tests/all.py
@@ -4444,6 +4444,7 @@ arb_shader_image_load_store['restrict'] = PiglitGLTest(['arb_shader_image_load_s
arb_shader_image_load_store['semantics'] = PiglitGLTest(['arb_shader_image_load_store-semantics'], run_concurrent=True)
arb_shader_image_load_store['shader-mem-barrier'] = PiglitGLTest(['arb_shader_image_load_store-shader-mem-barrier'], run_concurrent=True)
arb_shader_image_load_store['state'] = PiglitGLTest(['arb_shader_image_load_store-state'], run_concurrent=True)
+arb_shader_image_load_store['unused'] = PiglitGLTest(['arb_shader_image_load_store-unused'], run_concurrent=True)
profile.tests['hiz'] = hiz
profile.tests['fast_color_clear'] = fast_color_clear
diff --git a/tests/spec/arb_shader_image_load_store/CMakeLists.gl.txt b/tests/spec/arb_shader_image_load_store/CMakeLists.gl.txt
index 3d0bdd5ff..9db9d188e 100644
--- a/tests/spec/arb_shader_image_load_store/CMakeLists.gl.txt
+++ b/tests/spec/arb_shader_image_load_store/CMakeLists.gl.txt
@@ -30,5 +30,6 @@ piglit_add_executable(arb_shader_image_load_store-restrict restrict.c ${depends}
piglit_add_executable(arb_shader_image_load_store-semantics semantics.c ${depends})
piglit_add_executable(arb_shader_image_load_store-shader-mem-barrier shader-mem-barrier.c ${depends})
piglit_add_executable(arb_shader_image_load_store-state state.c ${depends})
+piglit_add_executable(arb_shader_image_load_store-unused unused.c ${depends})
# vim: ft=cmake:
diff --git a/tests/spec/arb_shader_image_load_store/unused.c b/tests/spec/arb_shader_image_load_store/unused.c
new file mode 100644
index 000000000..91fa5c5e2
--- /dev/null
+++ b/tests/spec/arb_shader_image_load_store/unused.c
@@ -0,0 +1,178 @@
+/*
+ * Copyright (C) 2014 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 unused.c
+ *
+ * Test that atomic ops with unused return value still have the
+ * expected effect (which implies that they aren't being optimized out
+ * accidentally by the compiler).
+ */
+
+#include "common.h"
+
+/** Window width. */
+#define W 16
+
+/** Window height. */
+#define H 96
+
+/** Total number of pixels in the window and image. */
+#define N (W * H)
+
+PIGLIT_GL_TEST_CONFIG_BEGIN
+
+config.supports_gl_core_version = 32;
+
+config.window_width = W;
+config.window_height = H;
+config.window_visual = PIGLIT_GL_VISUAL_DOUBLE | PIGLIT_GL_VISUAL_RGBA;
+
+PIGLIT_GL_TEST_CONFIG_END
+
+static bool
+init_image(const struct image_info img, uint32_t v)
+{
+ uint32_t pixels[N];
+
+ return init_pixels(img, pixels, v, 0, 0, 0) &&
+ upload_image(img, 0, pixels);
+}
+
+static bool
+check(const struct image_info img, uint32_t v)
+{
+ uint32_t pixels[N];
+
+ return download_image(img, 0, pixels) &&
+ check_pixels(img, pixels, v, 0, 0, 0);
+}
+
+/**
+ * Test skeleton: Init image to \a init_value, run the provided shader
+ * \a op and check that the resulting image pixels equal \a
+ * check_value.
+ */
+static bool
+run_test(uint32_t init_value, uint32_t check_value,
+ const char *op)
+{
+ const struct grid_info grid =
+ grid_info(GL_FRAGMENT_SHADER, GL_R32UI, W, H);
+ const struct image_info img = image_info_for_grid(grid);
+ GLuint prog = generate_program(
+ grid, GL_FRAGMENT_SHADER,
+ concat(image_hunk(img, ""),
+ hunk("uniform IMAGE_T img;\n"),
+ hunk(op), NULL));
+ bool ret = prog &&
+ init_fb(grid) &&
+ init_image(img, init_value) &&
+ set_uniform_int(prog, "img", 0) &&
+ draw_grid(grid, prog) &&
+ check(img, check_value);
+
+ glDeleteProgram(prog);
+ return ret;
+}
+
+void
+piglit_init(int argc, char **argv)
+{
+ enum piglit_result status = PIGLIT_PASS;
+
+ piglit_require_extension("GL_ARB_shader_image_load_store");
+
+ subtest(&status, true,
+ run_test(0, 33,
+ "GRID_T op(ivec2 idx, GRID_T x) {\n"
+ " imageAtomicAdd(img, IMAGE_ADDR(idx), BASE_T(33));\n"
+ " return x;\n"
+ "}\n"),
+ "imageAtomicAdd");
+
+ subtest(&status, true,
+ run_test(0xffffffff, 33,
+ "GRID_T op(ivec2 idx, GRID_T x) {\n"
+ " imageAtomicMin(img, IMAGE_ADDR(idx), BASE_T(33));\n"
+ " return x;\n"
+ "}\n"),
+ "imageAtomicMin");
+
+ subtest(&status, true,
+ run_test(0, 33,
+ "GRID_T op(ivec2 idx, GRID_T x) {\n"
+ " imageAtomicMax(img, IMAGE_ADDR(idx), BASE_T(33));\n"
+ " return x;\n"
+ "}\n"),
+ "imageAtomicMax");
+
+ subtest(&status, true,
+ run_test(0xffffffff, 33,
+ "GRID_T op(ivec2 idx, GRID_T x) {\n"
+ " imageAtomicAnd(img, IMAGE_ADDR(idx), BASE_T(33));\n"
+ " return x;\n"
+ "}\n"),
+ "imageAtomicAnd");
+
+ subtest(&status, true,
+ run_test(0, 33,
+ "GRID_T op(ivec2 idx, GRID_T x) {\n"
+ " imageAtomicOr(img, IMAGE_ADDR(idx), BASE_T(33));\n"
+ " return x;\n"
+ "}\n"),
+ "imageAtomicOr");
+
+ subtest(&status, true,
+ run_test(0, 33,
+ "GRID_T op(ivec2 idx, GRID_T x) {\n"
+ " imageAtomicXor(img, IMAGE_ADDR(idx), BASE_T(33));\n"
+ " return x;\n"
+ "}\n"),
+ "imageAtomicXor");
+
+ subtest(&status, true,
+ run_test(0, 33,
+ "GRID_T op(ivec2 idx, GRID_T x) {\n"
+ " imageAtomicExchange(img, IMAGE_ADDR(idx),"
+ " BASE_T(33));\n"
+ " return x;\n"
+ "}\n"),
+ "imageAtomicExchange");
+
+ subtest(&status, true,
+ run_test(0, 33,
+ "GRID_T op(ivec2 idx, GRID_T x) {\n"
+ " imageAtomicCompSwap(img, IMAGE_ADDR(idx),"
+ " BASE_T(0), BASE_T(33));\n"
+ " return x;\n"
+ "}\n"),
+ "imageAtomicCompSwap");
+
+ piglit_report_result(status);
+}
+
+enum piglit_result
+piglit_display(void)
+{
+ return PIGLIT_FAIL;
+}