[Piglit] [PATCH] Add test to verify glTexSubImage2D() with depth formats
Anuj Phogat
anuj.phogat at gmail.com
Tue Aug 5 19:07:36 PDT 2014
This test verifies the bug fix in i965 drivers in mesa commit 984a02b.
Reproduces another bug in the driver with GL_DEPTH_COMPONENT16
internal format.
Signed-off-by: Anuj Phogat <anuj.phogat at gmail.com>
---
tests/texturing/CMakeLists.gl.txt | 1 +
tests/texturing/texsubimage-depth-formats.c | 196 ++++++++++++++++++++++++++++
2 files changed, 197 insertions(+)
create mode 100644 tests/texturing/texsubimage-depth-formats.c
diff --git a/tests/texturing/CMakeLists.gl.txt b/tests/texturing/CMakeLists.gl.txt
index b121163..d2fdef5 100644
--- a/tests/texturing/CMakeLists.gl.txt
+++ b/tests/texturing/CMakeLists.gl.txt
@@ -75,6 +75,7 @@ piglit_add_executable (texwrap texwrap.c)
piglit_add_executable (depth-tex-modes depth-tex-modes.c depth-tex-modes-common.c)
piglit_add_executable (depth-tex-modes-rg depth-tex-modes-rg.c depth-tex-modes-common.c)
piglit_add_executable (depth-tex-modes-glsl depth-tex-modes-glsl.c)
+piglit_add_executable (texsubimage-depth-formats texsubimage-depth-formats.c)
piglit_add_executable (depth-tex-compare depth-tex-compare.c)
piglit_add_executable (depth-cube-map depth-cube-map.c)
piglit_add_executable (sized-texture-format-channels sized-texture-format-channels.c)
diff --git a/tests/texturing/texsubimage-depth-formats.c b/tests/texturing/texsubimage-depth-formats.c
new file mode 100644
index 0000000..ed0508d
--- /dev/null
+++ b/tests/texturing/texsubimage-depth-formats.c
@@ -0,0 +1,196 @@
+/*
+ * 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.
+ */
+
+/** \file texsubimage-depth-formats.c
+ *
+ * Test glTexSubimage2D() with different depth formats and X, Y offsets.
+ **/
+
+#include "piglit-util-gl.h"
+
+PIGLIT_GL_TEST_CONFIG_BEGIN
+
+ config.supports_gl_compat_version = 10;
+
+ config.window_width = 128;
+ config.window_height = 128;
+ config.window_visual = PIGLIT_GL_VISUAL_RGB | PIGLIT_GL_VISUAL_DOUBLE;
+
+PIGLIT_GL_TEST_CONFIG_END
+
+static GLuint tex[4];
+struct size {
+ int width, height;
+};
+
+/* For ease of testing, use even dimensions. */
+static const struct size tex_size[] = {
+ { 6, 12 },
+ { 8, 14 },
+ { 12, 22 },
+ { 16, 32 },
+ { 130, 64 }
+};
+
+struct format_info {
+ const char *name;
+ GLenum internal_format, format, type;
+ int size;
+};
+static const struct format_info formats[] = {
+ { "GL_DEPTH_COMPONENT16", GL_DEPTH_COMPONENT16, GL_DEPTH_COMPONENT, GL_UNSIGNED_SHORT, sizeof(short) },
+ { "GL_DEPTH_COMPONENT32F", GL_DEPTH_COMPONENT32F, GL_DEPTH_COMPONENT, GL_FLOAT, sizeof(float) },
+ { "GL_DEPTH24_STENCIL8", GL_DEPTH24_STENCIL8, GL_DEPTH_STENCIL, GL_UNSIGNED_INT_24_8, sizeof(int) },
+ { "GL_DEPTH32F_STENCIL8", GL_DEPTH32F_STENCIL8, GL_DEPTH_STENCIL, GL_FLOAT_32_UNSIGNED_INT_24_8_REV, sizeof(int) + sizeof(float) }
+};
+
+static void
+load_texture(int formats_idx, int tex_size_idx)
+{
+ unsigned i;
+ unsigned w_by_2 = tex_size[tex_size_idx].width / 2;
+ unsigned h_by_2 = tex_size[tex_size_idx].height / 2;
+ unsigned n_pixels = w_by_2 * h_by_2;
+ unsigned buffer_size = n_pixels * formats[formats_idx].size;
+ void* texDepthData[4];
+
+ for (i = 0; i < 4; i++)
+ texDepthData[i] = malloc(buffer_size);
+
+ for (i = 0; i < n_pixels; i++) {
+ switch (formats[formats_idx].type) {
+ case GL_UNSIGNED_INT_24_8:
+ ((unsigned *)texDepthData[0])[i] = 0x400000BB;
+ ((unsigned *)texDepthData[1])[i] = 0x7F0000BB;
+ ((unsigned *)texDepthData[2])[i] = 0xC00000BB;
+ ((unsigned *)texDepthData[3])[i] = 0xFF0000BB;
+ break;
+ case GL_UNSIGNED_SHORT:
+ ((unsigned short *)texDepthData[0])[i] = 0x4000;
+ ((unsigned short *)texDepthData[1])[i] = 0x7F00;
+ ((unsigned short *)texDepthData[2])[i] = 0xC000;
+ ((unsigned short *)texDepthData[3])[i] = 0xFF00;
+ break;
+ case GL_FLOAT:
+ ((float *)texDepthData[0])[i] = 0.25;
+ ((float *)texDepthData[1])[i] = 0.50;
+ ((float *)texDepthData[2])[i] = 0.75;
+ ((float *)texDepthData[3])[i] = 1.00;
+ break;
+ case GL_FLOAT_32_UNSIGNED_INT_24_8_REV:
+ ((float *)texDepthData[0])[2 * i] = 0.25;
+ ((float *)texDepthData[1])[2 * i] = 0.50;
+ ((float *)texDepthData[2])[2 * i] = 0.75;
+ ((float *)texDepthData[3])[2 * i] = 1.00;
+
+ ((unsigned *)texDepthData[0])[2 * i + 1] = 0xBB;
+ ((unsigned *)texDepthData[1])[2 * i + 1] = 0xBB;
+ ((unsigned *)texDepthData[2])[2 * i + 1] = 0xBB;
+ ((unsigned *)texDepthData[3])[2 * i + 1] = 0xBB;
+ break;
+ }
+ }
+
+ glBindTexture(GL_TEXTURE_2D, tex[formats_idx]);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
+ glTexImage2D(GL_TEXTURE_2D, 0,
+ formats[formats_idx].internal_format,
+ tex_size[tex_size_idx].width,
+ tex_size[tex_size_idx].height, 0,
+ formats[formats_idx].format,
+ formats[formats_idx].type, NULL);
+
+ /* Use glTexSubImage2D() to initialize each texture quadrant with
+ * different depth data.
+ */
+ glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, w_by_2, h_by_2,
+ formats[formats_idx].format, formats[formats_idx].type,
+ texDepthData[0]);
+ glTexSubImage2D(GL_TEXTURE_2D, 0, w_by_2, 0, w_by_2, h_by_2,
+ formats[formats_idx].format, formats[formats_idx].type,
+ texDepthData[1]);
+ glTexSubImage2D(GL_TEXTURE_2D, 0, 0, h_by_2, w_by_2, h_by_2,
+ formats[formats_idx].format, formats[formats_idx].type,
+ texDepthData[2]);
+ glTexSubImage2D(GL_TEXTURE_2D, 0, w_by_2, h_by_2, w_by_2, h_by_2,
+ formats[formats_idx].format, formats[formats_idx].type,
+ texDepthData[3]);
+
+ for (i = 0; i < 4; i++)
+ free(texDepthData[i]);
+}
+
+void
+piglit_init(int argc, char **argv)
+{
+ piglit_ortho_projection(piglit_width, piglit_height, GL_FALSE);
+ glClearColor(0.0, 0.0, 0.0, 1.0);
+}
+
+enum piglit_result
+piglit_display(void)
+{
+ int i, j;
+ bool result, pass = true;
+ const int w = piglit_width / 2, h = piglit_height / 2;
+ const float expected[4][4] = {{ 0.25, 0.25, 0.25, 1.00 },
+ { 0.50, 0.50, 0.50, 1.00 },
+ { 0.75, 0.75, 0.75, 1.00 },
+ { 1.00, 1.00, 1.00, 1.00 }};
+ glClear(GL_COLOR_BUFFER_BIT);
+ glEnable(GL_TEXTURE_2D);
+ glGenTextures(ARRAY_SIZE(formats), tex);
+
+ for (i = 0; i < ARRAY_SIZE(formats); i++) {
+ for (j = 0; j < ARRAY_SIZE(tex_size); j++) {
+ result = true;
+ load_texture(i, j);
+
+ glBindTexture(GL_TEXTURE_2D, tex[i]);
+ piglit_draw_rect_tex(0, 0, piglit_width, piglit_height,
+ 0, 0, 1, 1);
+ result = result && piglit_check_gl_error(GL_NO_ERROR);
+
+ /* Probe four quadrants of the rectangle */
+ result = piglit_probe_rect_rgba(0, 0, w, h, expected[0])
+ && result;
+ result = piglit_probe_rect_rgba(w, 0, w, h, expected[1])
+ && result;
+ result = piglit_probe_rect_rgba(0, h, w, h, expected[2])
+ && result;
+ result = piglit_probe_rect_rgba(w, h, w, h, expected[3])
+ && result;
+ pass = pass && result;
+
+ printf("internal_format = %s, width = %d, height = %d,"
+ " result = %s\n", formats[i].name,
+ tex_size[j].width, tex_size[j].height,
+ result ? "pass" : "fail");
+ }
+ }
+ piglit_present_results();
+ return pass ? PIGLIT_PASS : PIGLIT_FAIL;
+}
--
1.9.3
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