[Piglit] [PATCH 10/13] arb_shader_storage_buffer_object: Add test for setting binding point to an array of SSBOs
Samuel Iglesias Gonsalvez
siglesias at igalia.com
Wed May 13 23:17:22 PDT 2015
Signed-off-by: Samuel Iglesias Gonsalvez <siglesias at igalia.com>
---
tests/all.py | 1 +
.../CMakeLists.gl.txt | 1 +
.../array-ssbo-binding.c | 149 +++++++++++++++++++++
3 files changed, 151 insertions(+)
create mode 100644 tests/spec/arb_shader_storage_buffer_object/array-ssbo-binding.c
diff --git a/tests/all.py b/tests/all.py
index ed7336d..149e4bb 100755
--- a/tests/all.py
+++ b/tests/all.py
@@ -4040,6 +4040,7 @@ with profile.group_manager(
g(['arb_shader_storage_buffer_object-deletebuffers'], 'deletebuffers')
g(['arb_shader_storage_buffer_object-maxblocks'], 'maxblocks')
g(['arb_shader_storage_buffer_object-shaderstorageblockbinding'], 'shaderstorageblockbinding')
+ g(['arb_shader_storage_buffer_object-array-ssbo-binding'], 'array-ssbo-binding')
with profile.group_manager(
PiglitGLTest,
diff --git a/tests/spec/arb_shader_storage_buffer_object/CMakeLists.gl.txt b/tests/spec/arb_shader_storage_buffer_object/CMakeLists.gl.txt
index 27ba399..4bd5adc 100644
--- a/tests/spec/arb_shader_storage_buffer_object/CMakeLists.gl.txt
+++ b/tests/spec/arb_shader_storage_buffer_object/CMakeLists.gl.txt
@@ -15,5 +15,6 @@ piglit_add_executable (arb_shader_storage_buffer_object-getintegeri_v getinteger
piglit_add_executable (arb_shader_storage_buffer_object-deletebuffers deletebuffers.c)
piglit_add_executable (arb_shader_storage_buffer_object-maxblocks maxblocks.c)
piglit_add_executable (arb_shader_storage_buffer_object-shaderstorageblockbinding shaderstorageblockbinding.c)
+piglit_add_executable (arb_shader_storage_buffer_object-array-ssbo-binding array-ssbo-binding.c)
# vim: ft=cmake:
diff --git a/tests/spec/arb_shader_storage_buffer_object/array-ssbo-binding.c b/tests/spec/arb_shader_storage_buffer_object/array-ssbo-binding.c
new file mode 100644
index 0000000..14787f1
--- /dev/null
+++ b/tests/spec/arb_shader_storage_buffer_object/array-ssbo-binding.c
@@ -0,0 +1,149 @@
+/*
+ * Copyright © 2015 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 array-ssbo-binding.c
+ *
+ * Tests that modifying the binding point of an array of shader
+ * storage block works correctly, i.e., former attached buffer is not
+ * modified and the other is.
+ */
+
+#include "piglit-util-gl.h"
+
+PIGLIT_GL_TEST_CONFIG_BEGIN
+ config.window_width = 100;
+ config.window_height = 100;
+ config.supports_gl_compat_version = 10;
+ config.supports_gl_core_version = 31;
+ config.window_visual = PIGLIT_GL_VISUAL_DOUBLE | PIGLIT_GL_VISUAL_RGBA;
+
+PIGLIT_GL_TEST_CONFIG_END
+
+#define SSBO_SIZE 4
+
+static const char vs_pass_thru_text[] =
+ "#version 330\n"
+ "#extension GL_ARB_shader_storage_buffer_object : require\n"
+ "\n"
+ "layout(std140, binding=2) buffer ssbo {\n"
+ " vec4 v;\n"
+ "} a[2];\n"
+ "\n"
+ "in vec4 piglit_vertex;\n"
+ "\n"
+ "void main() {\n"
+ " gl_Position = piglit_vertex;\n"
+ " a[0].v = a[0].v + 1.0;\n"
+ " a[1].v = a[1].v + 10.0;\n"
+ "}\n";
+
+static const char fs_source[] =
+ "#version 330\n"
+ "#extension GL_ARB_shader_storage_buffer_object : require\n"
+ "\n"
+ "out vec4 color;\n"
+ "\n"
+ "layout(std140, binding=2) buffer ssbo {\n"
+ " vec4 v;\n"
+ "} a[2];\n"
+ "\n"
+ "void main() {\n"
+ " color = a[0].v;\n"
+ "}\n";
+
+GLuint prog;
+
+void
+piglit_init(int argc, char **argv)
+{
+ bool pass = true;
+ GLuint buffer[2];
+ unsigned int i;
+ float ssbo_values[SSBO_SIZE] = {0};
+ float *map;
+ int index;
+
+ piglit_require_extension("GL_ARB_shader_storage_buffer_object");
+ piglit_require_extension("GL_ARB_program_interface_query");
+
+ prog = piglit_build_simple_program(vs_pass_thru_text, fs_source);
+
+ glUseProgram(prog);
+
+ glClearColor(0, 0, 0, 0);
+
+ glGenBuffers(2, buffer);
+ glBindBufferBase(GL_SHADER_STORAGE_BUFFER, 2, buffer[0]);
+ glBufferData(GL_SHADER_STORAGE_BUFFER, SSBO_SIZE*sizeof(GLfloat),
+ &ssbo_values[0], GL_DYNAMIC_DRAW);
+ /* Change binding point */
+ index = glGetProgramResourceIndex(prog,
+ GL_SHADER_STORAGE_BLOCK, "ssbo[0]");
+ glShaderStorageBlockBinding(prog, index, 4);
+
+ glBindBufferBase(GL_SHADER_STORAGE_BUFFER, 4, buffer[1]);
+ glBufferData(GL_SHADER_STORAGE_BUFFER, SSBO_SIZE*sizeof(GLfloat),
+ &ssbo_values[0], GL_DYNAMIC_DRAW);
+
+ glViewport(0, 0, piglit_width, piglit_height);
+
+ piglit_draw_rect(-1, -1, 2, 2);
+
+ glBindBuffer(GL_SHADER_STORAGE_BUFFER, buffer[0]);
+ map = (float *) glMapBuffer(GL_SHADER_STORAGE_BUFFER, GL_READ_ONLY);
+
+ /* Former bound buffer should not be modified */
+ for (i = 0; i < SSBO_SIZE; i++) {
+ if (map[i] != 0) {
+ printf("Wrong %d value in buffer[0]: %.2f\n",
+ i, map[i]);
+ pass = false;
+ }
+ }
+ glUnmapBuffer(GL_SHADER_STORAGE_BUFFER);
+
+ glBindBuffer(GL_SHADER_STORAGE_BUFFER, buffer[1]);
+ map = (float *) glMapBuffer(GL_SHADER_STORAGE_BUFFER, GL_READ_ONLY);
+
+ for (i = 0; i < SSBO_SIZE; i++) {
+ /* Values should be below ten but different than zero */
+ if (map[i] == 0 || map[i] > 10) {
+ printf("Wrong %d value in buffer[1]: %.2f\n",
+ i, map[i]);
+ pass = false;
+ }
+ }
+
+ glUnmapBuffer(GL_SHADER_STORAGE_BUFFER);
+
+ if (!piglit_check_gl_error(GL_NO_ERROR))
+ pass = false;
+
+ piglit_report_result(pass ? PIGLIT_PASS : PIGLIT_FAIL);
+}
+
+enum piglit_result piglit_display(void)
+{
+ /* UNREACHED */
+ return PIGLIT_FAIL;
+}
--
2.1.0
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