[Piglit] [PATCH 8/8] arb_texture_view: Add test for rendering with format change
Chris Forbes
chrisf at ijw.co.nz
Fri Feb 21 12:03:07 PST 2014
---
tests/all.py | 1 +
tests/spec/arb_texture_view/CMakeLists.gl.txt | 1 +
tests/spec/arb_texture_view/rendering-formats.c | 127 ++++++++++++++++++++++++
3 files changed, 129 insertions(+)
create mode 100644 tests/spec/arb_texture_view/rendering-formats.c
diff --git a/tests/all.py b/tests/all.py
index 8d0a985..e3839bd 100644
--- a/tests/all.py
+++ b/tests/all.py
@@ -1968,6 +1968,7 @@ arb_texture_view['queries'] = concurrent_test('arb_texture_view-queries')
arb_texture_view['rendering-target'] = concurrent_test('arb_texture_view-rendering-target')
arb_texture_view['rendering-levels'] = concurrent_test('arb_texture_view-rendering-levels')
arb_texture_view['rendering-layers'] = concurrent_test('arb_texture_view-rendering-layers')
+arb_texture_view['rendering-formats'] = concurrent_test('arb_texture_view-rendering-formats')
arb_texture_view['lifetime-format'] = concurrent_test('arb_texture_view-lifetime-format')
arb_texture_view['getteximage-srgb'] = concurrent_test('arb_texture_view-getteximage-srgb')
arb_texture_view['texsubimage-levels'] = concurrent_test('arb_texture_view-texsubimage-levels')
diff --git a/tests/spec/arb_texture_view/CMakeLists.gl.txt b/tests/spec/arb_texture_view/CMakeLists.gl.txt
index 1bb29a1..d154224 100644
--- a/tests/spec/arb_texture_view/CMakeLists.gl.txt
+++ b/tests/spec/arb_texture_view/CMakeLists.gl.txt
@@ -24,5 +24,6 @@ piglit_add_executable(arb_texture_view-texsubimage-layers texsubimage-layers.c 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)
piglit_add_executable(arb_texture_view-clear-into-view-layered clear-into-view-layered.c common.c)
+piglit_add_executable(arb_texture_view-rendering-formats rendering-formats.c)
# vim: ft=cmake:
diff --git a/tests/spec/arb_texture_view/rendering-formats.c b/tests/spec/arb_texture_view/rendering-formats.c
new file mode 100644
index 0000000..c1ef804
--- /dev/null
+++ b/tests/spec/arb_texture_view/rendering-formats.c
@@ -0,0 +1,127 @@
+/*
+ * 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 texturing from a view works when the view has a different
+ * internalformat to the original texture.
+ */
+
+#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
+
+#define TEX_SIZE 64
+
+const float green[] = {0.0f, 1.0f, 0.0f, 0.0f};
+
+enum piglit_result
+piglit_display(void)
+{
+ bool pass = true;
+ glViewport(0, 0, TEX_SIZE, TEX_SIZE);
+ glClearColor(0.2, 0.2, 0.2, 0.2);
+ glClear(GL_COLOR_BUFFER_BIT);
+ piglit_draw_rect(-1, -1, 2, 2);
+ pass = piglit_probe_rect_rgba(0, 0, TEX_SIZE, TEX_SIZE, green) && pass;
+
+ piglit_present_results();
+
+ return pass ? PIGLIT_PASS : PIGLIT_FAIL;
+}
+
+
+void
+piglit_init(int argc, char **argv)
+{
+ GLuint tex, view, prog;
+ int x, y;
+ float *data, *p;
+
+ piglit_require_extension("GL_ARB_texture_storage");
+ piglit_require_extension("GL_ARB_texture_view");
+
+ glGenTextures(1, &tex);
+ glBindTexture(GL_TEXTURE_2D, tex);
+ glTexStorage2D(GL_TEXTURE_2D, 1, GL_RGBA32F,
+ TEX_SIZE, TEX_SIZE);
+
+ /* fill with some float values with easily-identifiable binary
+ * representations */
+ p = data = malloc(sizeof(float) * 4 * TEX_SIZE * TEX_SIZE);
+ for (x = 0; x < TEX_SIZE; x++)
+ for (y = 0; y < TEX_SIZE; y++) {
+ *p++ = 1.0f;
+ *p++ = 0.25f;
+ *p++ = -1.0f;
+ *p++ = 0.0f;
+ }
+
+ glTexSubImage2D(GL_TEXTURE_2D, 0,
+ 0, 0, TEX_SIZE, TEX_SIZE,
+ GL_RGBA, GL_FLOAT,
+ data);
+
+ /* make an unsigned integer view */
+ glGenTextures(1, &view);
+ glTextureView(view, GL_TEXTURE_2D, tex, GL_RGBA32UI,
+ 0, 1, 0, 1);
+ 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);
+
+ /* shader to test with */
+ prog = piglit_build_simple_program(
+ "#version 130\n"
+ "out vec2 tc;\n"
+ "void main() { \n"
+ " gl_Position = gl_Vertex;\n"
+ " tc = gl_Vertex.xy;\n"
+ "}\n",
+
+ "#version 130\n"
+ "uniform usampler2D s;\n"
+ "in vec2 tc;\n"
+ "void main() { \n"
+ " if (texture(s, tc) == uvec4(\n"
+ " 0x3f800000u,\n"
+ " 0x3e800000u,\n"
+ " 0xbf800000u,\n"
+ " 0x00000000u)) {\n"
+ " gl_FragColor = vec4(0,1,0,0);\n"
+ " } else {\n"
+ " gl_FragColor = vec4(1,0,0,0);\n"
+ " }\n"
+ "}\n");
+
+ glUseProgram(prog);
+ glUniform1i(glGetUniformLocation(prog, "s"), 0);
+}
--
1.8.5.4
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