Signed-off-by: Samuel Iglesias Gonsalvez <sigles...@igalia.com>
---
tests/all.py | 12 ++
.../CMakeLists.gl.txt | 1 +
.../maxshaderstorageblocksize.c | 240 +++++++++++++++++++++
3 files changed, 253 insertions(+)
create mode 100644
tests/spec/arb_shader_storage_buffer_object/maxshaderstorageblocksize.c
diff --git a/tests/all.py b/tests/all.py
index 2c1664e..a0b26fd 100755
--- a/tests/all.py
+++ b/tests/all.py
@@ -4035,6 +4035,18 @@ with profile.group_manager(
grouptools.join('spec', 'arb_shader_storage_buffer_object')) as g:
g(['arb_shader_storage_buffer_object-minmax'], 'minmax')
g(['arb_shader_storage_buffer_object-rendering'], 'rendering')
+ g(['arb_shader_storage_buffer_object-maxshaderstorageblocksize '],
'maxshaderstorageblocksize')
+
+with profile.group_manager(
+ PiglitGLTest,
+ grouptools.join('spec', 'arb_shader_storage_buffer_object',
+ 'maxshaderstorageblocksize')) as g:
+ g(['arb_shader_storage_buffer_object-maxshaderstorageblocksize', 'vs'],
'vs')
+ g(['arb_shader_storage_buffer_object-maxshaderstorageblocksize',
'vsexceed'],
+ 'vsexceed')
+ g(['arb_shader_storage_buffer_object-maxshaderstorageblocksize', 'fs'],
'fs')
+ g(['arb_shader_storage_buffer_object-maxshaderstorageblocksize',
'fsexceed'],
+ 'fsexceed')
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 7f38b4b..ee2f51a 100644
--- a/tests/spec/arb_shader_storage_buffer_object/CMakeLists.gl.txt
+++ b/tests/spec/arb_shader_storage_buffer_object/CMakeLists.gl.txt
@@ -10,5 +10,6 @@ link_libraries (
piglit_add_executable (arb_shader_storage_buffer_object-minmax minmax.c)
piglit_add_executable (arb_shader_storage_buffer_object-rendering rendering.c)
+piglit_add_executable
(arb_shader_storage_buffer_object-maxshaderstorageblocksize
maxshaderstorageblocksize.c)
# vim: ft=cmake:
diff --git
a/tests/spec/arb_shader_storage_buffer_object/maxshaderstorageblocksize.c
b/tests/spec/arb_shader_storage_buffer_object/maxshaderstorageblocksize.c
new file mode 100644
index 0000000..90f4a8d
--- /dev/null
+++ b/tests/spec/arb_shader_storage_buffer_object/maxshaderstorageblocksize.c
@@ -0,0 +1,240 @@
+/*
+ * 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 maxshaderstorageblocksize.c
+ *
+ * Tests linking and drawing with shader storage buffer objects of size
+ * MAX_SHADER_STORAGE_BLOCK_SIZE.
+ *
+ * Based on ARB_uniform_buffer_object's maxuniformblocksize.c
+ */
+
+#include "piglit-util-gl.h"
+
+PIGLIT_GL_TEST_CONFIG_BEGIN
+
+ config.supports_gl_compat_version = 20;
+
+ config.window_visual = PIGLIT_GL_VISUAL_RGBA | PIGLIT_GL_VISUAL_DOUBLE;
+
+PIGLIT_GL_TEST_CONFIG_END
+
+static enum {
+ VS,
+ VS_EXCEED,
+ FS,
+ FS_EXCEED,
+} mode;
+
+static void
+usage(const char *name)
+{
+ fprintf(stderr, "usage: %s <vs | vsexceed | fs | fsexceed>\n",
+ name);
+ piglit_report_result(PIGLIT_FAIL);
+}
+
+enum piglit_result
+piglit_display(void)
+{
+ const char *vs_ssbo_template =
+ "#extension GL_ARB_shader_storage_buffer_object : enable\n"
+ "#extension GL_ARB_uniform_buffer_object : enable\n"
+ "\n"
+ "varying vec4 vary;"
+ "\n"
+ "layout(std140) buffer ssbo {\n"
+ " vec4 v[%d];\n"
+ "};\n"
+ "uniform int i;\n"
+ "\n"
+ "void main() {\n"
+ " gl_Position = gl_Vertex;\n"
+ " vary = v[i];\n"
+ "}\n";
+
+ const char *fs_template =
+ "#extension GL_ARB_shader_storage_buffer_object : enable\n"
+ "\n"
+ "varying vec4 vary;"
+ "\n"
+ "void main() {\n"
+ " gl_FragColor = vary;\n"
+ "}\n";
+
+ const char *vs_template =
+ "#extension GL_ARB_shader_storage_buffer_object : enable\n"
+ "\n"
+ "void main() {\n"
+ " gl_Position = gl_Vertex;\n"
+ "}\n";
+
+ const char *fs_ssbo_template =
+ "#extension GL_ARB_shader_storage_buffer_object : enable\n"
+ "#extension GL_ARB_uniform_buffer_object : enable\n"
+ "\n"
+ "layout(std140) buffer ssbo {\n"
+ " vec4 v[%d];\n"
+ "};\n"
+ "uniform int i;\n"
+ "\n"
+ "void main() {\n"
+ " gl_FragColor = v[i];\n"
+ "}\n";
+
+ char *vs_source, *fs_source;
+ GLint max_size, vec4s, i_location;
+ GLuint vs, fs, prog, bo;
+ GLenum target;
+ float *data;
+ size_t size;
+ bool pass = true;
+ bool link_should_fail;
+ const float green[4] = { 0, 1, 0, 0 };
+ int test_index;
+
+ piglit_require_extension("GL_ARB_shader_storage_buffer_object");
+ piglit_require_extension("GL_ARB_uniform_buffer_object");
+
+ glGetIntegerv(GL_MAX_SHADER_STORAGE_BLOCK_SIZE, &max_size);
+ printf("Max shader storage block size: %d\n", max_size);
+ vec4s = max_size / 4 / 4;
+
+ switch (mode) {
+ case VS:
+ target = GL_VERTEX_SHADER;
+ link_should_fail = false;
+ test_index = vec4s - 1;
+ break;
+ case VS_EXCEED:
+ target = GL_VERTEX_SHADER;
+ link_should_fail = true;
+ vec4s++;
+ test_index = vec4s - 2;
+ break;
+ case FS:
+ target = GL_FRAGMENT_SHADER;
+ link_should_fail = false;
+ test_index = vec4s - 1;
+ break;
+ case FS_EXCEED:
+ target = GL_FRAGMENT_SHADER;
+ link_should_fail = true;
+ vec4s++;
+ test_index = vec4s - 2;
+ break;
+ default:
+ assert(false);
+ target = GL_NONE;
+ link_should_fail = false;
+ }
+
+ switch (target) {
+ case GL_VERTEX_SHADER:
+ asprintf(&vs_source, vs_ssbo_template, vec4s);
+ asprintf(&fs_source, "%s", fs_template);
+ printf("Testing VS with shader storage block vec4 v[%d]\n",
vec4s);
+ break;
+ case GL_FRAGMENT_SHADER:
+ asprintf(&vs_source, "%s", vs_template);
+ asprintf(&fs_source, fs_ssbo_template, vec4s);
+ printf("Testing FS with shader storage block vec4 v[%d]\n",
vec4s);
+ break;
+ default:
+ piglit_report_result(PIGLIT_FAIL);
+ }
+
+ vs = piglit_compile_shader_text(GL_VERTEX_SHADER, vs_source);
+ fs = piglit_compile_shader_text(GL_FRAGMENT_SHADER, fs_source);
+
+ prog = glCreateProgram();
+ glAttachShader(prog, vs);
+ glAttachShader(prog, fs);
+ glLinkProgram(prog);
+
+ if (link_should_fail) {
+ if (!piglit_link_check_status_quiet(prog)) {
+ printf("Failed to link with shader storage block vec4 "
+ "v[%d]\n", vec4s);
+ piglit_report_result(PIGLIT_PASS);
+ }
+ } else {
+ if (!piglit_link_check_status_quiet(prog)) {
+ fprintf(stderr,
+ "Failed to link with shader storage block vec4 "
+ "v[%d]\n", vec4s);
+ return PIGLIT_FAIL;
+ }
+ }
+
+ size = vec4s * 4 * sizeof(float);
+ glGenBuffers(1, &bo);
+ glBindBuffer(GL_SHADER_STORAGE_BUFFER, bo);
+ glBufferData(GL_SHADER_STORAGE_BUFFER, size, NULL, GL_DYNAMIC_DRAW);
+ data = glMapBuffer(GL_SHADER_STORAGE_BUFFER, GL_READ_WRITE);
+ memset(data, 0, size);
+
+ /* The whole shader storage buffer will be zeros, except for the
+ * entry at v[test_index] which will be green.
+ */
+ data[test_index * 4 + 0] = green[0];
+ data[test_index * 4 + 1] = green[1];
+ data[test_index * 4 + 2] = green[2];
+ data[test_index * 4 + 3] = green[3];
+ glUnmapBuffer(GL_SHADER_STORAGE_BUFFER);
+
+ glUseProgram(prog);
+ i_location = glGetUniformLocation(prog, "i");
+ glUniform1i(i_location, test_index);
+
+ glShaderStorageBlockBinding(prog, 0, 0);
+ glBindBufferBase(GL_SHADER_STORAGE_BUFFER, 0, bo);
+ piglit_draw_rect(-1, -1, 2, 2);
+
+ pass = piglit_probe_rect_rgba(0, 0, piglit_width, piglit_height, green);
+
+ glDeleteProgram(prog);
+
+ piglit_present_results();
+
+ return pass ? PIGLIT_PASS : PIGLIT_FAIL;
+}
+
+
+void
+piglit_init(int argc, char **argv)
+{
+ if (argc < 2)
+ usage(argv[0]);
+
+ if (strcmp(argv[1], "vs") == 0)
+ mode = VS;
+ else if (strcmp(argv[1], "vsexceed") == 0)
+ mode = VS_EXCEED;
+ else if (strcmp(argv[1], "fs") == 0)
+ mode = FS;
+ else if (strcmp(argv[1], "fsexceed") == 0)
+ mode = FS_EXCEED;
+ else
+ usage(argv[0]);
+}
--
2.1.0
_______________________________________________
Piglit mailing list
Piglit@lists.freedesktop.org
http://lists.freedesktop.org/mailman/listinfo/piglit
