[Piglit] [PATCH 1/3] arb_enhanced_layouts: transform feedback execution test
Timothy Arceri
timothy.arceri at collabora.com
Tue Mar 15 11:48:28 UTC 2016
---
tests/all.py | 18 +
tests/spec/arb_enhanced_layouts/CMakeLists.gl.txt | 1 +
.../transform-feedback-layout-qualifiers.c | 387 +++++++++++++++++++++
3 files changed, 406 insertions(+)
create mode 100644 tests/spec/arb_enhanced_layouts/transform-feedback-layout-qualifiers.c
diff --git a/tests/all.py b/tests/all.py
index f5b84bd..b069d54 100644
--- a/tests/all.py
+++ b/tests/all.py
@@ -2401,6 +2401,24 @@ with profile.group_manager(
grouptools.join('spec', 'arb_enhanced_layouts')) as g:
g(['arb_enhanced_layouts-explicit-offset-bufferstorage'],
'explicit-offset-bufferstorage')
+ g(['arb_enhanced_layouts-transform-feedback-layout-qualifiers', 'vs'],
+ 'arb_enhanced_layouts-transform-feedback-layout-qualifiers_vs',
+ run_concurrent=False)
+ g(['arb_enhanced_layouts-transform-feedback-layout-qualifiers', 'vs_ifc'],
+ 'arb_enhanced_layouts-transform-feedback-layout-qualifiers_vs_interface',
+ run_concurrent=False)
+ g(['arb_enhanced_layouts-transform-feedback-layout-qualifiers', 'vs_named_ifc'],
+ 'arb_enhanced_layouts-transform-feedback-layout-qualifiers_vs_named_interface',
+ run_concurrent=False)
+ g(['arb_enhanced_layouts-transform-feedback-layout-qualifiers', 'vs_struct'],
+ 'arb_enhanced_layouts-transform-feedback-layout-qualifiers_vs_struct',
+ run_concurrent=False)
+ g(['arb_enhanced_layouts-transform-feedback-layout-qualifiers', 'gs'],
+ 'arb_enhanced_layouts-transform-feedback-layout-qualifiers_gs',
+ run_concurrent=False)
+ g(['arb_enhanced_layouts-transform-feedback-layout-qualifiers', 'gs_max'],
+ 'arb_enhanced_layouts-transform-feedback-layout-qualifiers_gs_max',
+ run_concurrent=False)
# Group ARB_explicit_attrib_location
with profile.group_manager(
diff --git a/tests/spec/arb_enhanced_layouts/CMakeLists.gl.txt b/tests/spec/arb_enhanced_layouts/CMakeLists.gl.txt
index 97b8595..4733d4c 100644
--- a/tests/spec/arb_enhanced_layouts/CMakeLists.gl.txt
+++ b/tests/spec/arb_enhanced_layouts/CMakeLists.gl.txt
@@ -10,5 +10,6 @@ link_libraries (
)
piglit_add_executable (arb_enhanced_layouts-explicit-offset-bufferstorage explicit-offset-bufferstorage.c)
+piglit_add_executable (arb_enhanced_layouts-transform-feedback-layout-qualifiers transform-feedback-layout-qualifiers.c)
# vim: ft=cmake:
diff --git a/tests/spec/arb_enhanced_layouts/transform-feedback-layout-qualifiers.c b/tests/spec/arb_enhanced_layouts/transform-feedback-layout-qualifiers.c
new file mode 100644
index 0000000..9d029e6
--- /dev/null
+++ b/tests/spec/arb_enhanced_layouts/transform-feedback-layout-qualifiers.c
@@ -0,0 +1,387 @@
+/*
+ * Copyright © 2016 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"
+
+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 vs_pass_thru_text[] =
+ "#version 150\n"
+ "void main() {\n"
+ " gl_Position = vec4(0.0);\n"
+ "}\n";
+
+static const char vs_two_sets_text[] =
+ "#version 150\n"
+ "#extension GL_ARB_enhanced_layouts: require\n"
+ "\n"
+ "layout(xfb_offset = 0) out float x1_out;\n"
+ "layout(xfb_offset = 4) out float x2_out[2];\n"
+ "layout(xfb_offset = 12) out vec3 x3_out;\n"
+ "layout(xfb_buffer = 2) out;\n"
+ "layout(xfb_offset = 0, xfb_buffer = 2) out float y1_out;\n"
+ "layout(xfb_offset = 4) out vec4 y2_out;\n"
+ "void main() {\n"
+ " gl_Position = vec4(0.0);\n"
+ " x1_out = 1.0;\n"
+ " x2_out[0] = 2.0;\n"
+ " x2_out[1] = 3.0;\n"
+ " x3_out = vec3(4.0, 5.0, 6.0);\n"
+ " y1_out = 7.0;\n"
+ " y2_out = vec4(8.0, 9.0, 10.0, 11.0);\n"
+ "}";
+
+static const char vs_two_sets_ifc_text[] =
+ "#version 150\n"
+ "#extension GL_ARB_enhanced_layouts: require\n"
+ "\n"
+ "out block {\n"
+ " layout(xfb_offset = 12) out float x1_out;\n"
+ " layout(xfb_offset = 16) out vec2 x2_out;\n"
+ " layout(xfb_buffer = 0) out vec3 not_captured;\n"
+ " layout(xfb_offset = 0) out vec3 x3_out;\n"
+ "};"
+ "layout(xfb_buffer = 2) out;\n"
+ "layout(xfb_offset = 0) out block2 {\n"
+ " float y1_out;\n"
+ " vec4 y2_out;\n"
+ "};\n"
+ "void main() {\n"
+ " gl_Position = vec4(0.0);\n"
+ " x1_out = 4.0;\n"
+ " x2_out = vec2(5.0, 6.0);\n"
+ " x3_out = vec3(1.0, 2.0, 3.0);\n"
+ " y1_out = 7.0;\n"
+ " y2_out = vec4(8.0, 9.0, 10.0, 11.0);\n"
+ "}";
+
+static const char vs_two_sets_named_ifc_text[] =
+ "#version 150\n"
+ "#extension GL_ARB_enhanced_layouts: require\n"
+ "\n"
+ "out block {\n"
+ " layout(xfb_offset = 0) out float x1_out;\n"
+ " layout(xfb_offset = 4) out vec2 x2_out;\n"
+ " layout(xfb_buffer = 0) out vec3 not_captured;\n"
+ " layout(xfb_offset = 12) out vec3 x3_out;\n"
+ "} x;"
+ "layout(xfb_buffer = 2) out;\n"
+ "layout(xfb_offset = 0) out block2 {\n"
+ " float y1_out;\n"
+ " vec4 y2_out;\n"
+ "} y;\n"
+ "void main() {\n"
+ " gl_Position = vec4(0.0);\n"
+ " x.x1_out = 1.0;\n"
+ " x.x2_out = vec2(2.0, 3.0);\n"
+ " x.x3_out = vec3(4.0, 5.0, 6.0);\n"
+ " y.y1_out = 7.0;\n"
+ " y.y2_out = vec4(8.0, 9.0, 10.0, 11.0);\n"
+ "}";
+
+static const char vs_two_sets_struct_text[] =
+ "#version 150\n"
+ "#extension GL_ARB_enhanced_layouts: require\n"
+ "\n"
+ "struct Array {\n"
+ " float x2_out;\n"
+ "};\n"
+ "struct AoA {\n"
+ " Array x2_Array[2];\n"
+ "};\n"
+ "struct S {\n"
+ " float x1_out;\n"
+ " AoA x2_AoA[2];\n"
+ " float x3_out;\n"
+ "};"
+ "layout(xfb_offset = 0) out S s1;\n"
+ "layout(xfb_offset = 0, xfb_buffer = 2) out struct S2 {\n"
+ " float y1_out;\n"
+ " vec4 y2_out;\n"
+ "} s2;\n"
+ "void main() {\n"
+ " gl_Position = vec4(0.0);\n"
+ " s1.x1_out = 1.0;\n"
+ " s1.x2_AoA[0].x2_Array[0].x2_out = 2.0;\n"
+ " s1.x2_AoA[0].x2_Array[1].x2_out = 3.0;\n"
+ " s1.x2_AoA[1].x2_Array[0].x2_out = 4.0;\n"
+ " s1.x2_AoA[1].x2_Array[1].x2_out = 5.0;\n"
+ " s1.x3_out = 6.0;\n"
+ " s2.y1_out = 7.0;\n"
+ " s2.y2_out = vec4(8.0, 9.0, 10.0, 11.0);\n"
+ "}";
+
+static const char gs_text_two_sets_tmpl[] =
+ "#version 150\n"
+ "#extension GL_ARB_enhanced_layouts: require\n"
+ "#extension GL_ARB_gpu_shader5 : enable\n"
+ "#define INVOCATION_MAX_N %u\n"
+ "layout(points, invocations = INVOCATION_MAX_N) in;\n"
+ "layout(points, max_vertices = 1) out;\n"
+ "\n"
+ "layout(xfb_offset = 0) out float x1_out;\n"
+ "layout(xfb_offset = 4) out vec2 x2_out;\n"
+ "layout(xfb_offset = 12) out vec3 x3_out;\n"
+ "out vec3 not_captured1;\n"
+ "layout(xfb_buffer = 2) out;\n"
+ "layout(xfb_offset = 0) out float y1_out;\n"
+ "layout(xfb_offset = 4) out vec4 y2_out;\n"
+ "layout(xfb_buffer = 2) out vec3 not_captured2;\n"
+ "void main() {\n"
+ " gl_Position = gl_in[0].gl_Position;\n"
+ " x1_out = 1.0 + gl_InvocationID;\n"
+ " x2_out = vec2(2.0 + gl_InvocationID, 3.0 + gl_InvocationID);\n"
+ " x3_out = vec3(4.0 + gl_InvocationID, 5.0 + gl_InvocationID,\n"
+ " 6.0 + gl_InvocationID);\n"
+ " y1_out = 7.0 + gl_InvocationID;\n"
+ " y2_out = vec4(8.0 + gl_InvocationID, 9.0 + gl_InvocationID,\n"
+ " 10.0 + gl_InvocationID, 11.0 + gl_InvocationID);\n"
+ " not_captured1 = vec3(1.0);"
+ " not_captured2 = vec3(1.0);"
+ " EmitVertex();\n"
+ " EndPrimitive();\n"
+ "}";
+
+#define BUF_1_FLOAT_N 6
+#define BUF_2_FLOAT_N 5
+
+static void
+print_usage_and_exit(const char *prog_name)
+{
+ printf("Usage: %s <subtest>\n"
+ " where <subtest> is one of the following:\n"
+ " vs (vertex shader only)\n"
+ " vs_ifc (vertex shader only, with interface block)\n"
+ " vs_named_ifc (vertex shader only, with named interface block)\n"
+ " vs_struct (vertex shader only, with structs)\n"
+ " gs (with geometry shader invoked once per stage)\n"
+ " gs_max (with geometry shader invoked max times per "
+ "stage)\n", prog_name);
+ piglit_report_result(PIGLIT_FAIL);
+}
+
+static void
+build_and_use_program(unsigned gs_invocation_n, const char *vs_text)
+{
+ GLuint prog;
+
+ if (gs_invocation_n == 0) {
+ prog = piglit_build_simple_program_multiple_shaders(
+ GL_VERTEX_SHADER, vs_text, 0);
+ } else {
+ char *gs_text;
+
+ asprintf(&gs_text, gs_text_two_sets_tmpl, gs_invocation_n);
+ prog = piglit_build_simple_program_multiple_shaders(
+ GL_VERTEX_SHADER, vs_pass_thru_text,
+ GL_GEOMETRY_SHADER, gs_text, 0);
+ free(gs_text);
+ }
+
+ glLinkProgram(prog);
+ if (!piglit_link_check_status(prog))
+ piglit_report_result(PIGLIT_FAIL);
+ if (!piglit_check_gl_error(GL_NO_ERROR))
+ piglit_report_result(PIGLIT_FAIL);
+
+ glUseProgram(prog);
+}
+
+static bool
+probe_buffers(const GLuint *xfb, const GLuint *queries, unsigned primitive_n)
+{
+ bool pass;
+ unsigned i;
+ GLuint query_result;
+ float *first;
+ float *second;
+
+ const unsigned first_n = primitive_n * BUF_1_FLOAT_N;
+ const unsigned second_n = primitive_n * BUF_2_FLOAT_N;
+
+ glGetQueryObjectuiv(queries[0], GL_QUERY_RESULT, &query_result);
+ if (query_result != primitive_n) {
+ printf("Expected %u primitives written, got %u\n",
+ primitive_n, query_result);
+ piglit_report_result(PIGLIT_FAIL);
+ }
+
+ glGetQueryObjectuiv(queries[1], GL_QUERY_RESULT, &query_result);
+ if (query_result != primitive_n) {
+ printf("Expected %u primitives generated, got %u\n",
+ primitive_n, query_result);
+ piglit_report_result(PIGLIT_FAIL);
+ }
+
+ first = malloc(first_n * sizeof(float));
+ second = malloc(second_n * sizeof(float));
+
+ for (i = 0; i < primitive_n; ++i) {
+ first[i * BUF_1_FLOAT_N + 0] = i + 1.0; /* x1 */
+ first[i * BUF_1_FLOAT_N + 1] = i + 2.0; /* x2[0] */
+ first[i * BUF_1_FLOAT_N + 2] = i + 3.0; /* x2[1] */
+ first[i * BUF_1_FLOAT_N + 3] = i + 4.0; /* x3[0] */
+ first[i * BUF_1_FLOAT_N + 4] = i + 5.0; /* x3[1] */
+ first[i * BUF_1_FLOAT_N + 5] = i + 6.0; /* x3[2] */
+
+ second[i * BUF_2_FLOAT_N + 0] = i + 7.0; /* y1 */
+ second[i * BUF_2_FLOAT_N + 1] = i + 8.0; /* y2[0] */
+ second[i * BUF_2_FLOAT_N + 2] = i + 9.0; /* y2[1] */
+ second[i * BUF_2_FLOAT_N + 3] = i + 10.0; /* y2[2] */
+ second[i * BUF_2_FLOAT_N + 4] = i + 11.0; /* y2u3] */
+ }
+
+ pass = piglit_probe_buffer(xfb[0], GL_TRANSFORM_FEEDBACK_BUFFER,
+ "first", 1, first_n, first);
+ pass = piglit_probe_buffer(xfb[1], GL_TRANSFORM_FEEDBACK_BUFFER,
+ "second", 1, second_n, second) &&
+ pass;
+
+ free(first);
+ free(second);
+
+ return pass;
+}
+
+static unsigned
+parse_args(int argc, char **argv, const char **vs_text)
+{
+ GLint gs_invocation_n;
+
+ if (argc != 2)
+ print_usage_and_exit(argv[0]);
+
+ if (strcmp(argv[1], "vs") == 0) {
+ *vs_text = vs_two_sets_text;
+ return 0;
+ }
+
+ if (strcmp(argv[1], "vs_ifc") == 0) {
+ *vs_text = vs_two_sets_ifc_text;
+ return 0;
+ }
+
+ if (strcmp(argv[1], "vs_named_ifc") == 0) {
+ *vs_text = vs_two_sets_named_ifc_text;
+ return 0;
+ }
+
+ if (strcmp(argv[1], "vs_struct") == 0) {
+ *vs_text = vs_two_sets_struct_text;
+ return 0;
+ }
+
+ piglit_require_extension("GL_ARB_gpu_shader5");
+
+ if (strcmp(argv[1], "gs") == 0)
+ return 1;
+
+ if (strcmp(argv[1], "gs_max") != 0)
+ print_usage_and_exit(argv[0]);
+
+ glGetIntegerv(GL_MAX_GEOMETRY_SHADER_INVOCATIONS, &gs_invocation_n);
+ if (gs_invocation_n <= 0) {
+ printf("Maximum amount of geometry shader invocations "
+ "needs to be positive (%u).\n", gs_invocation_n);
+ piglit_report_result(PIGLIT_FAIL);
+ }
+
+ return gs_invocation_n;
+}
+
+void
+piglit_init(int argc, char **argv)
+{
+ bool pass;
+ unsigned primitive_n, gs_invocation_n;
+ const char *vs_text;
+ GLuint queries[2];
+ GLuint xfb[2];
+ GLuint vao;
+
+ piglit_require_GLSL_version(150);
+ piglit_require_extension("GL_ARB_transform_feedback3");
+ piglit_require_extension("GL_ARB_enhanced_layouts");
+
+ gs_invocation_n = parse_args(argc, argv, &vs_text);
+
+ /* Zero invocations means the feedback is produced by vertex shader */
+ primitive_n = gs_invocation_n ? gs_invocation_n : 1;
+
+ build_and_use_program(gs_invocation_n, vs_text);
+
+ /* Set up the transform feedback buffers. */
+ glGenBuffers(ARRAY_SIZE(xfb), xfb);
+ glBindBufferBase(GL_TRANSFORM_FEEDBACK_BUFFER, 0, xfb[0]);
+ glBufferData(GL_TRANSFORM_FEEDBACK_BUFFER,
+ primitive_n * BUF_1_FLOAT_N * sizeof(float), NULL,
+ GL_STREAM_READ);
+ glBindBufferBase(GL_TRANSFORM_FEEDBACK_BUFFER, 2, xfb[1]);
+ glBufferData(GL_TRANSFORM_FEEDBACK_BUFFER,
+ primitive_n * BUF_2_FLOAT_N * sizeof(float), NULL,
+ GL_STREAM_READ);
+
+ /* Test only records using transform feedback. */
+ glEnable(GL_RASTERIZER_DISCARD);
+
+ if (!piglit_check_gl_error(GL_NO_ERROR))
+ piglit_report_result(PIGLIT_FAIL);
+
+ glGenQueries(2, queries);
+ glBeginQuery(GL_PRIMITIVES_GENERATED, queries[0]);
+ glBeginQuery(GL_TRANSFORM_FEEDBACK_PRIMITIVES_WRITTEN, queries[1]);
+
+ /* Test is run under desktop OpenGL 3.2 -> use of VAOs is required */
+ glGenVertexArrays(1, &vao);
+ glBindVertexArray(vao);
+
+ /* Draw and record */
+ glBeginTransformFeedback(GL_POINTS);
+ glDrawArrays(GL_POINTS, 0, 1);
+ glEndQuery(GL_PRIMITIVES_GENERATED);
+ glEndQuery(GL_TRANSFORM_FEEDBACK_PRIMITIVES_WRITTEN);
+ glEndTransformFeedback();
+ glDeleteVertexArrays(1, &vao);
+
+ if (!piglit_check_gl_error(GL_NO_ERROR))
+ piglit_report_result(PIGLIT_FAIL);
+
+ pass = probe_buffers(xfb, queries, primitive_n);
+
+ glDeleteBuffers(2, xfb);
+ glDeleteQueries(2, queries);
+
+ piglit_report_result(pass ? PIGLIT_PASS : PIGLIT_FAIL);
+}
+
+enum piglit_result
+piglit_display(void)
+{
+ /* Should never be reached */
+ return PIGLIT_FAIL;
+}
--
2.5.0
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