[Piglit] [PATCH 03/12] arb_tessellation_shader: Test global layout qualifiers.
Chris Forbes
chrisf at ijw.co.nz
Wed Sep 17 00:42:16 PDT 2014
From: Fabian Bieler <fabianbieler at fastmail.fm>
Test declaring layout qualifiers in multiple shader objects and check for
linking arrays if qualifiers mismatch.
---
tests/all.py | 1 +
.../spec/arb_tessellation_shader/CMakeLists.gl.txt | 1 +
.../spec/arb_tessellation_shader/layout-mismatch.c | 263 +++++++++++++++++++++
3 files changed, 265 insertions(+)
create mode 100644 tests/spec/arb_tessellation_shader/layout-mismatch.c
diff --git a/tests/all.py b/tests/all.py
index 95a2109..346f450 100644
--- a/tests/all.py
+++ b/tests/all.py
@@ -1551,6 +1551,7 @@ add_concurrent_test(arb_tessellation_shader, 'arb_tessellation_shader-invalid-pr
arb_tessellation_shader['built-in-constants'] = concurrent_test('built-in-constants ' + os.path.join(testsDir, 'spec', 'arb_tessellation_shader', 'minimum-maximums.txt'))
add_concurrent_test(arb_tessellation_shader, 'arb_tessellation_shader-minmax')
add_concurrent_test(arb_tessellation_shader, 'arb_tessellation_shader-large-uniforms')
+add_concurrent_test(arb_tessellation_shader, 'arb_tessellation_shader-layout-mismatch')
import_glsl_parser_tests(arb_tessellation_shader,
os.path.join(testsDir, 'spec',
'arb_tessellation_shader'), ['compiler'])
diff --git a/tests/spec/arb_tessellation_shader/CMakeLists.gl.txt b/tests/spec/arb_tessellation_shader/CMakeLists.gl.txt
index adc0ddc..dd4cbc1 100644
--- a/tests/spec/arb_tessellation_shader/CMakeLists.gl.txt
+++ b/tests/spec/arb_tessellation_shader/CMakeLists.gl.txt
@@ -17,5 +17,6 @@ piglit_add_executable (arb_tessellation_shader-invalid-patch-vertices-range inva
piglit_add_executable (arb_tessellation_shader-invalid-primitive invalid-primitive.c)
piglit_add_executable (arb_tessellation_shader-minmax minmax.c)
piglit_add_executable (arb_tessellation_shader-large-uniforms large-uniforms.c)
+piglit_add_executable (arb_tessellation_shader-layout-mismatch layout-mismatch.c)
# vim: ft=cmake:
diff --git a/tests/spec/arb_tessellation_shader/layout-mismatch.c b/tests/spec/arb_tessellation_shader/layout-mismatch.c
new file mode 100644
index 0000000..7d4dcc9
--- /dev/null
+++ b/tests/spec/arb_tessellation_shader/layout-mismatch.c
@@ -0,0 +1,263 @@
+/*
+ * Copyright © 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 layout-mismatch.c
+ *
+ * Link multiple shader objects with layout qualifiers and check that linking
+ * fails or succeeds if the qualifiers mismatch or match, respectively.
+ */
+
+#include "piglit-util-gl.h"
+
+PIGLIT_GL_TEST_CONFIG_BEGIN
+
+ config.supports_gl_compat_version = 32;
+ config.supports_gl_core_version = 32;
+
+PIGLIT_GL_TEST_CONFIG_END
+
+
+static const char *const vs_source =
+"#version 150\n"
+"void main() { gl_Position = vec4(0.0); }\n";
+
+static const char *const tcs_source_main =
+"#version 150\n"
+"#extension GL_ARB_tessellation_shader: require\n"
+"layout(vertices = 3) out;\n"
+"void main() {\n"
+" gl_TessLevelOuter = float[4](1.0, 1.0, 1.0, 1.0);\n"
+" gl_TessLevelInner = float[2](1.0, 1.0);\n"
+"}\n";
+
+static const char *const tcs_source_main_no_v =
+"#version 150\n"
+"#extension GL_ARB_tessellation_shader: require\n"
+"void main() {\n"
+" gl_TessLevelOuter = float[4](1.0, 1.0, 1.0, 1.0);\n"
+" gl_TessLevelInner = float[2](1.0, 1.0);\n"
+"}\n";
+
+static const char *const tes_source_main =
+"#version 150\n"
+"#extension GL_ARB_tessellation_shader: require\n"
+"layout(triangles) in;\n"
+"void main() { gl_Position = vec4(0.0); }\n";
+
+static const char *const tes_source_main_no_pm =
+"#version 150\n"
+"#extension GL_ARB_tessellation_shader: require\n"
+"void main() { gl_Position = vec4(0.0); }\n";
+
+static const char *const fs_source =
+"#version 150\n"
+"void main() { gl_FragColor = vec4(0.0); }\n";
+
+
+static const char *const tcs_source_template =
+"#version 150\n"
+"#extension GL_ARB_tessellation_shader: require\n"
+"layout(vertices = %d) out;\n"
+"int foo%d(void) { return 1; }\n";
+
+static const char *const tes_source_template =
+"#version 150\n"
+"#extension GL_ARB_tessellation_shader: require\n"
+"layout(%s) in;\n"
+"int foo%d(void) { return 1; }\n";
+
+
+static const char *const prim_mode[] = {
+ "triangles", "quads", "isolines"
+};
+static const char *const spacing[] = {
+ "triangles, equal_spacing",
+ "triangles, fractional_even_spacing",
+ "triangles, fractional_odd_spacing"
+};
+static const char *const vertex_order[] = {
+ "triangles, cw", "triangles, ccw"
+};
+
+static char *tes_source1, *tes_source2;
+static char *tcs_source1, *tcs_source2;
+
+static bool
+test_tcs_layout(const int i, const int j)
+{
+ unsigned int prog;
+ bool link_status;
+
+ sprintf(tcs_source1, tcs_source_template, i, 1);
+ sprintf(tcs_source2, tcs_source_template, j, 2);
+
+ prog = piglit_build_simple_program_unlinked_multiple_shaders(
+ GL_VERTEX_SHADER, vs_source,
+ GL_TESS_CONTROL_SHADER, tcs_source_main_no_v,
+ GL_TESS_CONTROL_SHADER, tcs_source1,
+ GL_TESS_CONTROL_SHADER, tcs_source2,
+ GL_TESS_EVALUATION_SHADER, tes_source_main,
+ GL_FRAGMENT_SHADER, fs_source,
+ 0);
+ glLinkProgram(prog);
+ link_status = piglit_link_check_status_quiet(prog);
+ glDeleteProgram(prog);
+
+ if (link_status && (i != j)) {
+ fprintf(stderr, "Program with different vertices "
+ "specifications linked succesfully\n");
+ return false;
+ }
+ if (!link_status && (i == j)) {
+ fprintf(stderr, "Program with identical vertices "
+ "specifications failed to link\n");
+ return false;
+ }
+
+ return true;
+}
+
+
+static bool
+test_tes_layout(const char *const layout1, const char *const layout2,
+ const char *const layout_name)
+{
+ unsigned int prog;
+ bool link_status;
+
+ sprintf(tes_source1, tes_source_template, layout1, 1);
+ sprintf(tes_source2, tes_source_template, layout2, 2);
+
+ prog = piglit_build_simple_program_unlinked_multiple_shaders(
+ GL_VERTEX_SHADER, vs_source,
+ GL_TESS_CONTROL_SHADER, tcs_source_main,
+ GL_TESS_EVALUATION_SHADER, tes_source_main_no_pm,
+ GL_TESS_EVALUATION_SHADER, tes_source1,
+ GL_TESS_EVALUATION_SHADER, tes_source2,
+ GL_FRAGMENT_SHADER, fs_source,
+ 0);
+ glLinkProgram(prog);
+ link_status = piglit_link_check_status_quiet(prog);
+ glDeleteProgram(prog);
+
+ if (link_status && (layout1 != layout2)) {
+ fprintf(stderr, "Program with different %s "
+ "specifications linked succesfully\n", layout_name);
+ return false;
+ }
+ if (!link_status && (layout1 == layout2)) {
+ fprintf(stderr, "Program with identical %s "
+ "specifications failed to link\n", layout_name);
+ return false;
+ }
+
+ return true;
+}
+
+
+void
+piglit_init(int argc, char **argv)
+{
+ bool pass = true;
+ int i, j;
+
+ piglit_require_extension("GL_ARB_tessellation_shader");
+
+ /* From the ARB_tessellation_shader spec (Section 2.14.2):
+ *
+ * "Linking will fail if the program object contains objects to form
+ * a tessellation control shader (see section 2.X.1), and
+ *
+ * [...]
+ *
+ * * the output patch vertex count is specified differently in
+ * multiple
+ * tessellation control shader objects."
+ */
+ tcs_source1 = malloc(strlen(tcs_source_template) + 8);
+ tcs_source2 = malloc(strlen(tcs_source_template) + 8);
+
+ for(i = 1; i < 32; i *= 4) {
+ for(j = 1; j < 32; j *= 4) {
+ pass = test_tcs_layout(i, j) && pass;
+ }
+ }
+
+ free(tcs_source1);
+ free(tcs_source2);
+
+ /* From the ARB_tessellation_shader spec (Section 2.14.2):
+ *
+ * "Linking will fail if the program object contains objects to form
+ * a tessellation evaluation shader (see section 2.X.3), and
+ *
+ * [...]
+ *
+ * * the tessellation primitive mode, spacing, vertex order, or
+ * point mode is specified differently in multiple tessellation
+ * evaluation shader objects."
+ */
+ /* XXX: Should a shader without point mode layout qualifier really
+ * fail to link with a shader with one?
+ */
+ tes_source1 = malloc(strlen(tes_source_template) + 64);
+ tes_source2 = malloc(strlen(tes_source_template) + 64);
+
+ for(i = 0; i < ARRAY_SIZE(prim_mode); ++i) {
+ for(j = 0; j < ARRAY_SIZE(prim_mode); ++j) {
+ pass = test_tes_layout(prim_mode[i], prim_mode[j],
+ "primitive mode") && pass;
+ }
+ }
+
+ for(i = 0; i < ARRAY_SIZE(spacing); ++i) {
+ for(j = 0; j < ARRAY_SIZE(spacing); ++j) {
+ pass = test_tes_layout(spacing[i], spacing[j],
+ "vertex spacing") && pass;
+ }
+ }
+
+ for(i = 0; i < ARRAY_SIZE(vertex_order); ++i) {
+ for(j = 0; j < ARRAY_SIZE(vertex_order); ++j) {
+ pass = test_tes_layout(vertex_order[i],
+ vertex_order[j],
+ "vertex order") && pass;
+ }
+ }
+
+ free(tes_source1);
+ free(tes_source2);
+
+ pass = piglit_check_gl_error(GL_NO_ERROR) && pass;
+
+ piglit_report_result(pass ? PIGLIT_PASS : PIGLIT_FAIL);
+}
+
+
+enum piglit_result
+piglit_display(void)
+{
+ return PIGLIT_PASS;
+}
+
--
2.1.0
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