[Piglit] [PATCH] gles1: add tests for GL_OES_draw_texture
Chia-I Wu
olvaffe at gmail.com
Sat Sep 10 23:21:38 PDT 2011
If there are conventions I should follow or piglitutil functions that I
should use, please let me know.
This should be the first GLESv1 tests. Not sure whether it should be in
all.tests, or where it should be in all.tests. Suggestions are
appreciated.
---
tests/gles1/CMakeLists.gles1.txt | 4 +
tests/gles1/draw-tex.c | 237 ++++++++++++++++++++++++++++++++++++++
2 files changed, 241 insertions(+), 0 deletions(-)
create mode 100644 tests/gles1/draw-tex.c
diff --git a/tests/gles1/CMakeLists.gles1.txt b/tests/gles1/CMakeLists.gles1.txt
index e78b487..ddcbd57 100644
--- a/tests/gles1/CMakeLists.gles1.txt
+++ b/tests/gles1/CMakeLists.gles1.txt
@@ -12,4 +12,8 @@ link_libraries(
piglitutil_gles1
)
+add_executable(draw-tex
+ draw-tex.c
+ )
+
# vim: ft=cmake:
diff --git a/tests/gles1/draw-tex.c b/tests/gles1/draw-tex.c
new file mode 100644
index 0000000..6c5da1a
--- /dev/null
+++ b/tests/gles1/draw-tex.c
@@ -0,0 +1,237 @@
+/*
+ * Copyright © 2011 LunarG, Inc.
+ *
+ * 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: Chia-I Wu <olv at lunarg.com>
+ */
+
+/** @file draw-tex.c
+ *
+ * Test GL_OES_draw_texture.
+ */
+
+#include <EGL/egl.h>
+
+#include "piglit-util.h"
+
+#define TEXTURE_SIZE 2
+
+int piglit_width = 100, piglit_height = 100;
+int piglit_window_mode = GLUT_RGB | GLUT_ALPHA | GLUT_DEPTH | GLUT_DOUBLE;
+
+/* see piglit_rgbw_texture */
+static const float red[4] = { 1.0f, 0.0f, 0.0f, 0.0f };
+static const float green[4] = { 0.0f, 1.0f, 0.0f, 0.25f };
+static const float blue[4] = { 0.0f, 0.0f, 1.0f, 0.50f };
+static const float white[4] = { 1.0f, 1.0f, 1.0f, 1.0f };
+
+static PFNGLDRAWTEXIOESPROC glDrawTexiOES;
+
+/**
+ * Test the basic use of glDrawTex
+ */
+static int
+test_basic(void)
+{
+ const GLint crop[4] = {
+ 0, 0, TEXTURE_SIZE, TEXTURE_SIZE
+ };
+ const int x = piglit_width / 2 - 2;
+ const int y = piglit_height / 2 - 2;
+ int pass;
+
+ glTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_CROP_RECT_OES, crop);
+
+ /* draw the RGBW texture */
+ glDrawTexiOES(0, 0, 0, piglit_width, piglit_height);
+
+ pass = piglit_probe_pixel_rgb(x, y, red);
+ pass = piglit_probe_pixel_rgb(x + 5, y, green) && pass;
+ pass = piglit_probe_pixel_rgb(x, y + 5, blue) && pass;
+ pass = piglit_probe_pixel_rgb(x + 5, y + 5, white) && pass;
+
+ if (!pass)
+ fprintf(stderr, "glDrawTexiOES() failed\n");
+
+ return pass;
+}
+
+/**
+ * Test glDrawTex with a crop rectangle with negative width/height.
+ */
+static int
+test_negative_crop(void)
+{
+ const GLint crop[4] = {
+ TEXTURE_SIZE, TEXTURE_SIZE, -TEXTURE_SIZE, -TEXTURE_SIZE
+ };
+ const int x = piglit_width / 2 - 2;
+ const int y = piglit_height / 2 - 2;
+ int pass;
+
+ glTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_CROP_RECT_OES, crop);
+
+ /* draw the RGBW texture with negative crop */
+ glDrawTexiOES(0, 0, 0, piglit_width, piglit_height);
+
+ pass = piglit_probe_pixel_rgb(x, y, white);
+ pass = piglit_probe_pixel_rgb(x + 5, y, blue) && pass;
+ pass = piglit_probe_pixel_rgb(x, y + 5, green) && pass;
+ pass = piglit_probe_pixel_rgb(x + 5, y + 5, red) && pass;
+
+ if (!pass)
+ fprintf(stderr, "negative crop width/height failed\n");
+
+ return pass;
+}
+
+/**
+ * Test glDrawTex with a small crop rectangle covering only the right-top of
+ * the texture.
+ */
+static int
+test_right_top_crop(void)
+{
+ const GLint crop[4] = {
+ TEXTURE_SIZE / 2, TEXTURE_SIZE / 2,
+ TEXTURE_SIZE / 2, TEXTURE_SIZE / 2
+ };
+ const int x = piglit_width / 2 - 2;
+ const int y = piglit_height / 2 - 2;
+ int pass;
+
+ glTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_CROP_RECT_OES, crop);
+
+ /* draw the right top quarter of RGBW texture */
+ glDrawTexiOES(0, 0, 0, piglit_width, piglit_height);
+
+ pass = piglit_probe_pixel_rgb(x, y, white);
+ pass = piglit_probe_pixel_rgb(x + 5, y, white) && pass;
+ pass = piglit_probe_pixel_rgb(x, y + 5, white) && pass;
+ pass = piglit_probe_pixel_rgb(x + 5, y + 5, white) && pass;
+
+ if (!pass)
+ fprintf(stderr, "sub crop rect failed\n");
+
+ return pass;
+}
+
+/**
+ * Test glDrawTex with non-zero x and y.
+ */
+static int
+test_right_top_win(void)
+{
+ const GLint crop[4] = {
+ 0, 0, TEXTURE_SIZE, TEXTURE_SIZE
+ };
+ const int half_width = piglit_width / 2;
+ const int half_height = piglit_height / 2;
+ const int x = half_width + half_width / 2 - 2;
+ const int y = half_height + half_height / 2 - 2;
+ int pass;
+
+ glTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_CROP_RECT_OES, crop);
+
+ /* draw the RGBW texture at the right top */
+ glDrawTexiOES(half_width, half_height, 0, half_width, half_height);
+
+ pass = piglit_probe_pixel_rgb(x, y, red);
+ pass = piglit_probe_pixel_rgb(x + 5, y, green) && pass;
+ pass = piglit_probe_pixel_rgb(x, y + 5, blue) && pass;
+ pass = piglit_probe_pixel_rgb(x + 5, y + 5, white) && pass;
+
+ if (!pass)
+ fprintf(stderr, "non-zero (x, y) failed\n");
+
+ return pass;
+}
+
+/**
+ * Test glDrawTex with non-zero z.
+ */
+static int
+test_depth(void)
+{
+ const GLint crop[4] = {
+ 0, 0, TEXTURE_SIZE, TEXTURE_SIZE
+ };
+ const int x = piglit_width / 2 - 2;
+ const int y = piglit_height / 2 - 2;
+ int pass;
+
+ glTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_CROP_RECT_OES, crop);
+
+ glEnable(GL_DEPTH_TEST);
+
+ /* draw at near plane */
+ glDrawTexiOES(0, 0, 0, piglit_width, piglit_height);
+ /* draw at far plane: should be no-op */
+ glDrawTexiOES(0, 0, 1, piglit_width / 2, piglit_height / 2);
+
+ glDisable(GL_DEPTH_TEST);
+
+ pass = piglit_probe_pixel_rgb(x, y, red);
+
+ if (!pass)
+ fprintf(stderr, "non-zero depth failed\n");
+
+ return pass;
+}
+
+enum piglit_result
+piglit_display(void)
+{
+ GLboolean pass = GL_TRUE;
+
+ glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+ pass = test_basic();
+ pass = test_negative_crop() && pass;
+ pass = test_right_top_win() && pass;
+ pass = test_right_top_crop() && pass;
+ pass = test_depth() && pass;
+
+ glFinish();
+ glutSwapBuffers();
+
+ return pass ? PIGLIT_PASS : PIGLIT_FAIL;
+}
+
+void
+piglit_init(int argc, char **argv)
+{
+ GLuint tex;
+
+ piglit_require_extension("GL_OES_draw_texture");
+ glDrawTexiOES = (PFNGLDRAWTEXIOESPROC)
+ eglGetProcAddress("glDrawTexiOES");
+ if (!glDrawTexiOES)
+ piglit_report_result(PIGLIT_FAIL);
+
+ piglit_ortho_projection(piglit_width, piglit_height, GL_FALSE);
+
+ tex = piglit_rgbw_texture(GL_RGBA,
+ TEXTURE_SIZE, TEXTURE_SIZE, GL_FALSE, GL_TRUE, 0);
+
+ glBindTexture(GL_TEXTURE_2D, tex);
+ glEnable(GL_TEXTURE_2D);
+}
--
1.7.5.4
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