From: Bruce Merry <bme...@gmail.com>
Cc: Brian Paul <bri...@vmware.com>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=73096
---
I came across this test when cleaning up bugzilla. Seems we fixed
Mesa but never pushed the piglit test.
tests/all.py | 1 +
tests/spec/ext_packed_float/CMakeLists.gl.txt | 1 +
.../query-rgba-signed-components.c | 167 ++++++++++++++++++
3 files changed, 169 insertions(+)
create mode 100644 tests/spec/ext_packed_float/query-rgba-signed-components.c
diff --git a/tests/all.py b/tests/all.py
index 26638cd82..db85f172e 100644
--- a/tests/all.py
+++ b/tests/all.py
@@ -3331,6 +3331,7 @@ with profile.test_list.group_manager(
PiglitGLTest,
grouptools.join('spec', 'ext_packed_float')) as g:
g(['ext_packed_float-pack'], 'pack')
+ g(['query-rgba-signed-components'], 'query-rgba-signed-components')
g(['getteximage-invalid-format-for-packed-type'],
'getteximage-invalid-format-for-packed-type')
add_msaa_formats_tests(g, 'GL_EXT_packed_float')
diff --git a/tests/spec/ext_packed_float/CMakeLists.gl.txt
b/tests/spec/ext_packed_float/CMakeLists.gl.txt
index 44a8818c8..b061cb6b2 100644
--- a/tests/spec/ext_packed_float/CMakeLists.gl.txt
+++ b/tests/spec/ext_packed_float/CMakeLists.gl.txt
@@ -10,5 +10,6 @@ link_libraries (
piglit_add_executable (ext_packed_float-pack pack.c)
piglit_add_executable (getteximage-invalid-format-for-packed-type
getteximage-invalid-format-for-packed-type.c)
+piglit_add_executable (query-rgba-signed-components
query-rgba-signed-components.c)
# vim: ft=cmake:
diff --git a/tests/spec/ext_packed_float/query-rgba-signed-components.c
b/tests/spec/ext_packed_float/query-rgba-signed-components.c
new file mode 100644
index 000000000..635d5bc5a
--- /dev/null
+++ b/tests/spec/ext_packed_float/query-rgba-signed-components.c
@@ -0,0 +1,167 @@
+/*
+ * Copyright (c) 2013 Bruce Merry
+ *
+ * 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
+ * on the rights to use, copy, modify, merge, publish, distribute, sub
+ * license, 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
+ * NON-INFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COYPRIGTH
+ * HOLDERS AND/OR THEIR SUPPLIERS 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"
+
+#define MAKE_FORMAT_STR(x) x, #x
+
+typedef struct {
+ GLenum format;
+ const char *format_str;
+ const char *extension;
+ int expected[4];
+ int buffer; /* Draw buffer to attach the renderbuffer to */
+} format_info;
+
+static const format_info formats[] = {
+ { MAKE_FORMAT_STR(GL_RGBA8), NULL, { 0, 0, 0, 0 } },
+ { MAKE_FORMAT_STR(GL_R8I), "GL_ARB_texture_rg", { 1, 0, 0, 0 } },
+ { MAKE_FORMAT_STR(GL_RG8I), "GL_ARB_texture_rg", { 1, 1, 0, 0 } },
+ { MAKE_FORMAT_STR(GL_R8_SNORM), "GL_EXT_texture_snorm", { 1, 0, 0, 0 }
},
+ { MAKE_FORMAT_STR(GL_LUMINANCE8_SNORM), "GL_EXT_texture_snorm", { 1, 1,
1, 0 } },
+ { MAKE_FORMAT_STR(GL_RGBA8UI_EXT), "GL_EXT_texture_integer", { 0, 0, 0,
0 } },
+ { MAKE_FORMAT_STR(GL_RGBA16F_ARB), "GL_ARB_texture_float", { 1, 1, 1, 1
} },
+ { MAKE_FORMAT_STR(GL_LUMINANCE16F_ARB), "GL_ARB_texture_float", { 1, 1,
1, 0 } },
+ { MAKE_FORMAT_STR(GL_RGB9_E5_EXT), "GL_EXT_texture_shared_exponent", {
0, 0, 0, 0 } },
+ { MAKE_FORMAT_STR(GL_R11F_G11F_B10F_EXT), "GL_EXT_packed_float", { 0,
0, 0, 0 } },
+ { MAKE_FORMAT_STR(GL_RGBA16F_ARB), "GL_ARB_texture_float", { 0, 0, 0, 0
}, 1 }
+};
+
+PIGLIT_GL_TEST_CONFIG_BEGIN
+
+ config.supports_gl_compat_version = 10;
+
+ config.window_visual = PIGLIT_GL_VISUAL_RGB;
+
+PIGLIT_GL_TEST_CONFIG_END
+
+enum piglit_result
+piglit_display(void)
+{
+ /* Should never be reached */
+ return PIGLIT_FAIL;
+}
+
+/* Queries GL_RGBA_SIGNED_COMPONENTS_EXT and compares to expected.
+ * If they do not match, prints an error. Returns true on match.
+ */
+static bool check_rgba_signed(const int *expected)
+{
+ int i;
+ /* Start with nonsense values, to ensure they are written */
+ GLint actual[4] = {2, 2, 2, 2};
+
+ glGetIntegerv(GL_RGBA_SIGNED_COMPONENTS_EXT, actual);
+ if (!piglit_check_gl_error(GL_NO_ERROR)) {
+ return false;
+ }
+
+ for (i = 0; i < 4; i++) {
+ if (expected[i] != actual[i]) {
+ printf("Expected: (%d, %d, %d, %d)\n",
+ expected[0],
+ expected[1],
+ expected[2],
+ expected[3]);
+ printf("Actual: (%d, %d, %d, %d)\n",
+ actual[0],
+ actual[1],
+ actual[2],
+ actual[3]);
+ return false;
+ }
+ }
+ return true;
+}
+
+static bool test_format(const format_info *f)
+{
+ GLuint rbo = 0;
+ bool pass = true;
+
+ if (f->extension != NULL
+ && !piglit_is_extension_supported(f->extension)) {
+ printf("Skipping %s since %s not present\n",
+ f->format_str, f->extension);
+ return pass;
+ }
+
+ glGenRenderbuffers(1, &rbo);
+ glBindRenderbuffer(GL_RENDERBUFFER, rbo);
+ glRenderbufferStorage(
+ GL_RENDERBUFFER,
+ f->format, 16, 16);
+ glFramebufferRenderbuffer(
+ GL_DRAW_FRAMEBUFFER,
+ GL_COLOR_ATTACHMENT0 + f->buffer,
+ GL_RENDERBUFFER, rbo);
+ if (glCheckFramebufferStatus(GL_DRAW_FRAMEBUFFER)
+ != GL_FRAMEBUFFER_COMPLETE) {
+ printf("Skipping %s: framebuffer not complete\n",
+ f->format_str);
+ } else {
+ printf("Testing %s\n", f->format_str);
+ if (!check_rgba_signed(f->expected))
+ pass = false;
+ }
+
+ glFramebufferRenderbuffer(
+ GL_DRAW_FRAMEBUFFER,
+ GL_COLOR_ATTACHMENT0 + f->buffer,
+ GL_RENDERBUFFER, 0);
+ glDeleteRenderbuffers(1, &rbo);
+ return pass;
+}
+
+void
+piglit_init(int argc, char **argv)
+{
+ int expected[4] = {0, 0, 0, 0};
+ bool pass = true;
+ unsigned int i;
+ const GLenum buffers[2] = {GL_COLOR_ATTACHMENT0, GL_COLOR_ATTACHMENT1};
+
+ piglit_require_extension("GL_EXT_packed_float");
+
+ /* With a normal window, all channels should be unsigned */
+ printf("Testing window\n");
+ if (!check_rgba_signed(expected))
+ pass = false;
+
+ if (piglit_is_extension_supported("GL_ARB_framebuffer_object")) {
+ GLuint fbo = 0;
+
+ glGenFramebuffers(1, &fbo);
+ glBindFramebuffer(GL_DRAW_FRAMEBUFFER, fbo);
+ glDrawBuffers(2, buffers);
+ /* Test a variety of FBO formats */
+ for (i = 0; i < sizeof(formats) / sizeof(formats[0]); i++) {
+ pass = test_format(formats + i) && pass;
+ }
+ glBindFramebuffer(GL_DRAW_FRAMEBUFFER, 0);
+ glDeleteFramebuffers(1, &fbo);
+ }
+
+ piglit_report_result(pass ? PIGLIT_PASS : PIGLIT_FAIL);
+}
--
2.17.0
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