[Piglit] [PATCH 2/2] arb_texture_view: Add rendering test for layout consistency
Chris Forbes
chrisf at ijw.co.nz
Wed Mar 19 02:17:02 PDT 2014
Signed-off-by: Chris Forbes <chrisf at ijw.co.nz>
---
tests/all.py | 1 +
tests/spec/arb_texture_view/CMakeLists.gl.txt | 1 +
.../arb_texture_view/format-consistency-render.c | 164 +++++++++++++++++++++
3 files changed, 166 insertions(+)
create mode 100644 tests/spec/arb_texture_view/format-consistency-render.c
diff --git a/tests/all.py b/tests/all.py
index 8e67eb0..a447b98 100644
--- a/tests/all.py
+++ b/tests/all.py
@@ -2007,6 +2007,7 @@ arb_texture_view['clear-into-view-2d-array'] = concurrent_test('arb_texture_view
arb_texture_view['clear-into-view-layered'] = concurrent_test('arb_texture_view-clear-into-view-layered')
arb_texture_view['copytexsubimage-layers'] = concurrent_test('arb_texture_view-copytexsubimage-layers')
arb_texture_view['format-consistency-get'] = concurrent_test('arb_texture_view-format-consistency-get')
+arb_texture_view['format-consistency-render'] = concurrent_test('arb_texture_view-format-consistency-render')
tdfx_texture_compression_fxt1 = Group()
spec['3DFX_texture_compression_FXT1'] = tdfx_texture_compression_fxt1
diff --git a/tests/spec/arb_texture_view/CMakeLists.gl.txt b/tests/spec/arb_texture_view/CMakeLists.gl.txt
index 1279fdc..0b13376 100644
--- a/tests/spec/arb_texture_view/CMakeLists.gl.txt
+++ b/tests/spec/arb_texture_view/CMakeLists.gl.txt
@@ -28,5 +28,6 @@ piglit_add_executable(arb_texture_view-rendering-formats rendering-formats.c)
piglit_add_executable(arb_texture_view-rendering-formats2 rendering-formats2.c)
piglit_add_executable(arb_texture_view-copytexsubimage-layers copytexsubimage-layers.c common.c)
piglit_add_executable(arb_texture_view-format-consistency-get format-consistency-get.c)
+piglit_add_executable(arb_texture_view-format-consistency-render format-consistency-render.c)
# vim: ft=cmake:
diff --git a/tests/spec/arb_texture_view/format-consistency-render.c b/tests/spec/arb_texture_view/format-consistency-render.c
new file mode 100644
index 0000000..91a250b
--- /dev/null
+++ b/tests/spec/arb_texture_view/format-consistency-render.c
@@ -0,0 +1,164 @@
+/*
+ * 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.
+ *
+ * Author: Chris Forbes <chrisf at ijw.co.nz>
+ */
+
+/**
+ * Tests format consistency for texture views, across all formats in each view class.
+ * Based on the OpenGL 4.4 spec, section 8.26 "Texture Image Loads and Stores".
+ *
+ * Hardware will typically implement views by arranging for the memory layouts to
+ * be trivially aliasable, but the spec is written in terms of conversions via
+ * scratch memory.
+ *
+ * This test ensures that whatever the hardware is doing is consistent with the
+ * specified conversions.
+ */
+
+#include "piglit-util-gl-common.h"
+#include "common.h"
+#include "view-classes.h"
+
+PIGLIT_GL_TEST_CONFIG_BEGIN
+
+ config.supports_gl_compat_version = 30;
+
+ config.window_visual = PIGLIT_GL_VISUAL_RGBA | PIGLIT_GL_VISUAL_DOUBLE;
+
+PIGLIT_GL_TEST_CONFIG_END
+
+bool
+do_test(int bits, struct format_info *fmt)
+{
+ GLuint tex;
+ bool pass = true;
+
+ /* reference pixel data -- up to 16 bytes */
+ char ref[] = {0x0f, 0x1e, 0x2d, 0x3c, 0x4b, 0x5a, 0x69, 0x78,
+ 0x87, 0x96, 0xa5, 0xb4, 0xc3, 0xd2, 0xe1, 0xf0};
+ float green[] = {0,1,0,0};
+
+ printf("Testing %d bits class:\n", bits);
+
+ glGenTextures(1, &tex);
+ glBindTexture(GL_TEXTURE_2D, tex);
+ glTexStorage2D(GL_TEXTURE_2D, 1, fmt->internalformat,
+ 1, 1);
+
+ glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 1, 1,
+ fmt->pixelformat, fmt->pixeltype,
+ ref);
+
+ for (; fmt->internalformat; fmt++) {
+ GLuint view, compare, prog;
+ char *fs;
+
+ glGenTextures(1, &view);
+ glTextureView(view, GL_TEXTURE_2D, tex,
+ fmt->internalformat,
+ 0, 1, 0, 1);
+ glActiveTexture(GL_TEXTURE0);
+ glBindTexture(GL_TEXTURE_2D, view);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+
+ glGenTextures(1, &compare);
+ glActiveTexture(GL_TEXTURE0 + 1);
+ glBindTexture(GL_TEXTURE_2D, compare);
+ glTexImage2D(GL_TEXTURE_2D, 0, fmt->internalformat,
+ 1, 1, 0, fmt->pixelformat, fmt->pixeltype,
+ ref);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+
+ asprintf(&fs,
+ "#version 130\n"
+ "uniform %ssampler2D test, ref;\n"
+ "void main() {\n"
+ " vec2 tc = vec2(0,0);\n"
+ " if (texture(test, tc) != texture(ref, tc)) {\n"
+ " gl_FragColor = vec4(1,0,0,0);\n"
+ " } else {\n"
+ " gl_FragColor = vec4(0,1,0,0);\n"
+ " }\n"
+ "}\n", fmt->sampler_prefix);
+ prog = piglit_build_simple_program(
+ "#version 130\n"
+ "void main() {\n"
+ " gl_Position = gl_Vertex;\n"
+ "}\n",
+ fs);
+ free(fs);
+
+ glUseProgram(prog);
+ glUniform1i(glGetUniformLocation(prog, "test"), 0);
+ glUniform1i(glGetUniformLocation(prog, "ref"), 1);
+
+ glClearColor(0.2, 0.2, 0.2, 0.2);
+ glClear(GL_COLOR_BUFFER_BIT);
+ glViewport(0, 0, 64, 64);
+ piglit_draw_rect(-1, -1, 2, 2);
+
+ if (!piglit_probe_pixel_rgba(32, 32, green)) {
+ pass = false;
+ piglit_report_subtest_result(PIGLIT_FAIL,
+ piglit_get_gl_enum_name(fmt->internalformat));
+ }
+ else {
+ piglit_report_subtest_result(PIGLIT_PASS,
+ piglit_get_gl_enum_name(fmt->internalformat));
+ }
+
+ piglit_present_results();
+
+ glUseProgram(0);
+ glDeleteProgram(prog);
+ glDeleteTextures(1, &compare);
+ glDeleteTextures(1, &view);
+ }
+
+ glDeleteTextures(1, &tex);
+ return pass;
+}
+
+enum piglit_result
+piglit_display(void)
+{
+ bool pass = true;
+ pass = do_test(8, view_class_8bits) && pass;
+ pass = do_test(16, view_class_16bits) && pass;
+ pass = do_test(24, view_class_24bits) && pass;
+ pass = do_test(32, view_class_32bits) && pass;
+ pass = do_test(48, view_class_48bits) && pass;
+ pass = do_test(64, view_class_64bits) && pass;
+ pass = do_test(96, view_class_96bits) && pass;
+ pass = do_test(128, view_class_128bits) && pass;
+
+ return pass ? PIGLIT_PASS : PIGLIT_FAIL;
+}
+
+void
+piglit_init(int argc, char **argv)
+{
+ piglit_require_extension("GL_ARB_texture_view");
+}
--
1.9.0
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