[Piglit] [PATCH 5/8] arb_texture_view: Add test for clearing a layer of a 2D array view
Chris Forbes
chrisf at ijw.co.nz
Fri Feb 21 12:03:04 PST 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/clear-into-view-2d-array.c | 131 +++++++++++++++++++++
3 files changed, 133 insertions(+)
create mode 100644 tests/spec/arb_texture_view/clear-into-view-2d-array.c
diff --git a/tests/all.py b/tests/all.py
index 6141d22..1bc645f 100644
--- a/tests/all.py
+++ b/tests/all.py
@@ -1972,6 +1972,7 @@ arb_texture_view['getteximage-srgb'] = concurrent_test('arb_texture_view-gettexi
arb_texture_view['texsubimage-levels'] = concurrent_test('arb_texture_view-texsubimage-levels')
arb_texture_view['texsubimage-layers'] = concurrent_test('arb_texture_view-texsubimage-layers')
arb_texture_view['clear-into-view-2d'] = concurrent_test('arb_texture_view-clear-into-view-2d')
+arb_texture_view['clear-into-view-2d-array'] = concurrent_test('arb_texture_view-clear-into-view-2d-array')
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 a662603..756d14b 100644
--- a/tests/spec/arb_texture_view/CMakeLists.gl.txt
+++ b/tests/spec/arb_texture_view/CMakeLists.gl.txt
@@ -21,5 +21,6 @@ piglit_add_executable(arb_texture_view-lifetime-format lifetime_format.c common.
piglit_add_executable(arb_texture_view-texsubimage-levels texsubimage-levels.c common.c)
piglit_add_executable(arb_texture_view-texsubimage-layers texsubimage-layers.c common.c)
piglit_add_executable(arb_texture_view-clear-into-view-2d clear-into-view-2d.c common.c)
+piglit_add_executable(arb_texture_view-clear-into-view-2d-array clear-into-view-2d-array.c common.c)
# vim: ft=cmake:
diff --git a/tests/spec/arb_texture_view/clear-into-view-2d-array.c b/tests/spec/arb_texture_view/clear-into-view-2d-array.c
new file mode 100644
index 0000000..1ef8610
--- /dev/null
+++ b/tests/spec/arb_texture_view/clear-into-view-2d-array.c
@@ -0,0 +1,131 @@
+/*
+ * 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>
+ */
+
+/**
+ * \file
+ * This tests that glClear() into a layer of a 2D array view (with nonzero MinLayer)
+ * works.
+ */
+
+#include "piglit-util-gl-common.h"
+#include "common.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
+
+enum piglit_result
+piglit_display(void)
+{
+ return PIGLIT_FAIL;
+}
+
+#define NUM_LAYERS 7
+#define VIEW_MIN_LAYER 2
+#define VIEW_NUM_LAYERS 3
+#define CLEAR_LAYER 1
+#define TEX_SIZE 64
+
+void
+piglit_init(int argc, char **argv)
+{
+ GLuint tex, view;
+ GLuint fbo;
+ int i, j;
+ bool pass = true;
+
+ piglit_require_extension("GL_ARB_texture_storage");
+ piglit_require_extension("GL_ARB_texture_view");
+
+ /* build a 2d array texture; no mip levels */
+ glGenTextures(1, &tex);
+ glBindTexture(GL_TEXTURE_2D_ARRAY, tex);
+ glTexStorage3D(GL_TEXTURE_2D_ARRAY, 1,
+ GL_RGBA8, TEX_SIZE, TEX_SIZE, NUM_LAYERS);
+
+ for (i=0; i < NUM_LAYERS; i++) {
+ GLubyte *pixels = create_solid_image(TEX_SIZE, TEX_SIZE,
+ 1, 4, i);
+ glTexSubImage3D(GL_TEXTURE_2D_ARRAY, 0,
+ 0, 0, i, TEX_SIZE, TEX_SIZE, 1,
+ GL_RGBA, GL_UNSIGNED_BYTE, pixels);
+ free(pixels);
+ }
+
+ /* create a view to a subset of the layers */
+ glGenTextures(1, &view);
+ glTextureView(view, GL_TEXTURE_2D_ARRAY, tex, GL_RGBA8,
+ 0, 1, VIEW_MIN_LAYER, VIEW_NUM_LAYERS);
+
+ if (!piglit_check_gl_error(GL_NO_ERROR))
+ piglit_report_result(PIGLIT_FAIL);
+
+ /* set up for rendering into the view */
+ /* we attach just the middle layer of the view, to exercise both minlayer
+ * and the attachment's layer index. */
+ glGenFramebuffers(1, &fbo);
+ glBindFramebuffer(GL_DRAW_FRAMEBUFFER, fbo);
+ glFramebufferTextureLayer(GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
+ view, 0, CLEAR_LAYER);
+ if (glCheckFramebufferStatus(GL_DRAW_FRAMEBUFFER) != GL_FRAMEBUFFER_COMPLETE)
+ piglit_report_result(PIGLIT_FAIL);
+ glViewport(0, 0, TEX_SIZE, TEX_SIZE);
+
+ /* clear through the view */
+ glClearColor(
+ Colors[NUM_LAYERS][0] / 255.0f,
+ Colors[NUM_LAYERS][1] / 255.0f,
+ Colors[NUM_LAYERS][2] / 255.0f,
+ Colors[NUM_LAYERS][3] / 255.0f);
+ glClear(GL_COLOR_BUFFER_BIT);
+
+ if (!piglit_check_gl_error(GL_NO_ERROR))
+ piglit_report_result(PIGLIT_FAIL);
+
+ /* bind the underlying texture and readback */
+ glBindTexture(GL_TEXTURE_2D_ARRAY, tex);
+ for (i = 0; i < NUM_LAYERS; i++) {
+ /* the layer we cleared should have been replaced;
+ * everything else should be untouched.
+ */
+
+ int color_index = (i == VIEW_MIN_LAYER + CLEAR_LAYER) ? NUM_LAYERS : i;
+ float expected_color[4];
+
+ printf("Testing layer %d\n", i);
+
+ for (j = 0; j < 4; j++)
+ expected_color[j] = Colors[color_index][j] / 255.0f;
+
+ pass = piglit_probe_texel_volume_rgba(GL_TEXTURE_2D_ARRAY, 0,
+ 0, 0, i, TEX_SIZE, TEX_SIZE, 1,
+ expected_color) && pass;
+ }
+
+ piglit_report_result(pass ? PIGLIT_PASS : PIGLIT_FAIL);
+}
--
1.8.5.4
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