draws depth textures in compare mode with all compare functions.
---
tests/all.tests | 1 +
tests/texturing/CMakeLists.txt | 1 +
tests/texturing/depth-tex-compare.c | 574 +++++++++++++++++++++++++++++++++++
3 files changed, 576 insertions(+), 0 deletions(-)
create mode 100644 tests/texturing/depth-tex-compare.c
diff --git a/tests/all.tests b/tests/all.tests
index 02066a1..fc8346a 100644
--- a/tests/all.tests
+++ b/tests/all.tests
@@ -123,6 +123,7 @@ texturing['texredefine'] = PlainExecTest([testBinDir +
'texredefine', '-auto'])
texturing['tfp'] = PlainExecTest([testBinDir + 'tfp', '-auto'])
texturing['depth-tex-modes'] = PlainExecTest([testBinDir + 'depth-tex-modes',
'-auto'])
texturing['depth-tex-modes-glsl'] = PlainExecTest([testBinDir +
'depth-tex-modes-glsl', '-auto'])
+texturing['depth-tex-compare'] = PlainExecTest([testBinDir +
'depth-tex-compare', '-auto'])
glslparsertest = Group()
glslparsertest['CorrectBuiltInOveride.frag'] = PlainExecTest([testBinDir +
'glslparsertest', 'tests/glslparsertest/shaders/CorrectBuiltInOveride.frag',
'pass'])
diff --git a/tests/texturing/CMakeLists.txt b/tests/texturing/CMakeLists.txt
index 50e7b4b..9af1a6c 100644
--- a/tests/texturing/CMakeLists.txt
+++ b/tests/texturing/CMakeLists.txt
@@ -34,3 +34,4 @@ add_executable (texredefine texredefine.c)
add_executable (tfp tfp.c)
add_executable (depth-tex-modes depth-tex-modes.c)
add_executable (depth-tex-modes-glsl depth-tex-modes-glsl.c)
+add_executable (depth-tex-compare depth-tex-compare.c)
diff --git a/tests/texturing/depth-tex-compare.c
b/tests/texturing/depth-tex-compare.c
new file mode 100644
index 0000000..1241f89
--- /dev/null
+++ b/tests/texturing/depth-tex-compare.c
@@ -0,0 +1,574 @@
+/*
+ * Copyright © 2009 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: Ben Holmes
+
+/*
+ * This test draws depth textures as LUMINANCE, INTENSITY, and ALPHA. These
+ * textures are compared to the r component of the texture coordinate and
+ * compared using all eight texture compare functions. The result of the
+ * comparison is modulated with the vertex color (pink) and blended with the
+ * clear color (green) using the alpha value.
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <GL/glew.h>
+#if defined(__APPLE__)
+#include <GLUT/glut.h>
+#else
+#include <GL/glut.h>
+#endif
+
+#include "piglit-util.h"
+
+static GLboolean Automatic = GL_FALSE;
+static GLuint tex[3];
+
+static void
+Init()
+{
+
+ glewInit();
+ glMatrixMode(GL_PROJECTION);
+ glPushMatrix();
+ glLoadIdentity();
+ glOrtho(0, 400, 0, 300, -1, 1);
+
+ glMatrixMode(GL_MODELVIEW);
+ glPushMatrix();
+ glLoadIdentity();
+
+ glEnable(GL_TEXTURE_2D);
+ glEnable(GL_BLEND);
+ glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
+ glClearColor(0.0, 1.0, 0.0, 1.0);
+
+}
+
+static void
+loadTex()
+{
+ int height = 2;
+ int width = 2;
+ int i, j;
+
+ GLfloat texDepthData[width][height];
+ for (i=0; i < width; ++i) {
+ for (j=0; j < height; ++j) {
+ if ((i+j) & 1) {
+ texDepthData[i][j] = 1.0;
+ }
+ else {
+ texDepthData[i][j] = 0.5;
+ }
+ }
+ }
+
+ //depth texture 0 using LUMINANCE
+ glGenTextures(3, tex);
+ glBindTexture(GL_TEXTURE_2D, tex[0]);
+ glTexParameteri(GL_TEXTURE_2D, GL_GENERATE_MIPMAP, GL_FALSE);
+ 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_REPEAT);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
+ glTexParameteri(GL_TEXTURE_2D, GL_DEPTH_TEXTURE_MODE, GL_LUMINANCE);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_MODE,
+ GL_COMPARE_R_TO_TEXTURE);
+ glTexImage2D(GL_TEXTURE_2D, 0, GL_DEPTH_COMPONENT, width, height, 0,
+ GL_DEPTH_COMPONENT, GL_FLOAT, texDepthData);
+
+
+ //depth texture 1 using INTENSITY
+ glBindTexture(GL_TEXTURE_2D, tex[1]);
+ glTexParameteri(GL_TEXTURE_2D, GL_GENERATE_MIPMAP, GL_FALSE);
+ 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_REPEAT);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
+ glTexParameteri(GL_TEXTURE_2D, GL_DEPTH_TEXTURE_MODE, GL_INTENSITY);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_MODE,
+ GL_COMPARE_R_TO_TEXTURE);
+ glTexImage2D(GL_TEXTURE_2D, 0, GL_DEPTH_COMPONENT, width, height, 0,
+ GL_DEPTH_COMPONENT, GL_FLOAT, texDepthData);
+
+
+ //depth texture 2 using ALPHA
+ glBindTexture(GL_TEXTURE_2D, tex[2]);
+ glTexParameteri(GL_TEXTURE_2D, GL_GENERATE_MIPMAP, GL_FALSE);
+ 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_REPEAT);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
+ glTexParameteri(GL_TEXTURE_2D, GL_DEPTH_TEXTURE_MODE, GL_ALPHA);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_MODE,
+ GL_COMPARE_R_TO_TEXTURE);
+ glTexImage2D(GL_TEXTURE_2D, 0, GL_DEPTH_COMPONENT, width, height, 0,
+ GL_DEPTH_COMPONENT, GL_FLOAT, texDepthData);
+
+}
+
+
+static void
+display()
+{
+
+ glClear(GL_COLOR_BUFFER_BIT);
+
+ glColor3f(1.0, 0.0, 1.0);
+ glBindTexture(GL_TEXTURE_2D, tex[0]);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_FUNC, GL_LESS);
+ glBegin(GL_TRIANGLE_STRIP);
+ glTexCoord3f(1.0, 0.0, 2.0);
+ glVertex3f(225, 275, 0);
+ glTexCoord3f(1.0, 1.0, 2.0);
+ glVertex3f(225, 300, 0);
+ glTexCoord3f(0.0, 0.0, 0.0);
+ glVertex3f(200, 275, 0);
+ glTexCoord3f(0.0, 1.0, 0.0);
+ glVertex3f(200, 300, 0);
+ glEnd();
+
+ glBindTexture(GL_TEXTURE_2D, tex[1]);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_FUNC, GL_LESS);
+ glBegin(GL_TRIANGLE_STRIP);
+ glTexCoord3f(1.0, 0.0, 2.0);
+ glVertex3f(275, 275, 0);
+ glTexCoord3f(1.0, 1.0, 2.0);
+ glVertex3f(275, 300, 0);
+ glTexCoord3f(0.0, 0.0, 0.0);
+ glVertex3f(250, 275, 0);
+ glTexCoord3f(0.0, 1.0, 0.0);
+ glVertex3f(250, 300, 0);
+ glEnd();
+
+ glBindTexture(GL_TEXTURE_2D, tex[2]);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_FUNC, GL_LESS);
+ glBegin(GL_TRIANGLE_STRIP);
+ glTexCoord3f(1.0, 0.0, 2.0);
+ glVertex3f(175, 275, 0);
+ glTexCoord3f(1.0, 1.0, 2.0);
+ glVertex3f(175, 300, 0);
+ glTexCoord3f(0.0, 0.0, 0.0);
+ glVertex3f(150, 275, 0);
+ glTexCoord3f(0.0, 1.0, 0.0);
+ glVertex3f(150, 300, 0);
+ glEnd();
+
+
+ glBindTexture(GL_TEXTURE_2D, tex[0]);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_FUNC, GL_LEQUAL);
+ glBegin(GL_TRIANGLE_STRIP);
+ glTexCoord3f(1.0, 0.0, 2.0);
+ glVertex3f(225, 240, 0);
+ glTexCoord3f(1.0, 1.0, 2.0);
+ glVertex3f(225, 265, 0);
+ glTexCoord3f(0.0, 0.0, 0.0);
+ glVertex3f(200, 240, 0);
+ glTexCoord3f(0.0, 1.0, 0.0);
+ glVertex3f(200, 265, 0);
+ glEnd();
+
+ glBindTexture(GL_TEXTURE_2D, tex[1]);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_FUNC, GL_LEQUAL);
+ glBegin(GL_TRIANGLE_STRIP);
+ glTexCoord3f(1.0, 0.0, 2.0);
+ glVertex3f(275, 240, 0);
+ glTexCoord3f(1.0, 1.0, 2.0);
+ glVertex3f(275, 265, 0);
+ glTexCoord3f(0.0, 0.0, 0.0);
+ glVertex3f(250, 240, 0);
+ glTexCoord3f(0.0, 1.0, 0.0);
+ glVertex3f(250, 265, 0);
+ glEnd();
+
+ glBindTexture(GL_TEXTURE_2D, tex[2]);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_FUNC, GL_LEQUAL);
+ glBegin(GL_TRIANGLE_STRIP);
+ glTexCoord3f(1.0, 0.0, 2.0);
+ glVertex3f(175, 240, 0);
+ glTexCoord3f(1.0, 1.0, 2.0);
+ glVertex3f(175, 265, 0);
+ glTexCoord3f(0.0, 0.0, 0.0);
+ glVertex3f(150, 240, 0);
+ glTexCoord3f(0.0, 1.0, 0.0);
+ glVertex3f(150, 265, 0);
+ glEnd();
+
+ glBindTexture(GL_TEXTURE_2D, tex[0]);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_FUNC, GL_GREATER);
+ glBegin(GL_TRIANGLE_STRIP);
+ glTexCoord3f(1.0, 0.0, 2.0);
+ glVertex3f(225, 205, 0);
+ glTexCoord3f(1.0, 1.0, 2.0);
+ glVertex3f(225, 230, 0);
+ glTexCoord3f(0.0, 0.0, 0.0);
+ glVertex3f(200, 205, 0);
+ glTexCoord3f(0.0, 1.0, 0.0);
+ glVertex3f(200, 230, 0);
+ glEnd();
+
+ glBindTexture(GL_TEXTURE_2D, tex[1]);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_FUNC, GL_GREATER);
+ glBegin(GL_TRIANGLE_STRIP);
+ glTexCoord3f(1.0, 0.0, 2.0);
+ glVertex3f(275, 205, 0);
+ glTexCoord3f(1.0, 1.0, 2.0);
+ glVertex3f(275, 230, 0);
+ glTexCoord3f(0.0, 0.0, 0.0);
+ glVertex3f(250, 205, 0);
+ glTexCoord3f(0.0, 1.0, 0.0);
+ glVertex3f(250, 230, 0);
+ glEnd();
+
+ glBindTexture(GL_TEXTURE_2D, tex[2]);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_FUNC, GL_GREATER);
+ glBegin(GL_TRIANGLE_STRIP);
+ glTexCoord3f(1.0, 0.0, 2.0);
+ glVertex3f(175, 205, 0);
+ glTexCoord3f(1.0, 1.0, 2.0);
+ glVertex3f(175, 230, 0);
+ glTexCoord3f(0.0, 0.0, 0.0);
+ glVertex3f(150, 205, 0);
+ glTexCoord3f(0.0, 1.0, 0.0);
+ glVertex3f(150, 230, 0);
+ glEnd();
+
+
+ glBindTexture(GL_TEXTURE_2D, tex[0]);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_FUNC, GL_GEQUAL);
+ glBegin(GL_TRIANGLE_STRIP);
+ glTexCoord3f(1.0, 0.0, 2.0);
+ glVertex3f(225, 170, 0);
+ glTexCoord3f(1.0, 1.0, 2.0);
+ glVertex3f(225, 195, 0);
+ glTexCoord3f(0.0, 0.0, 0.0);
+ glVertex3f(200, 170, 0);
+ glTexCoord3f(0.0, 1.0, 0.0);
+ glVertex3f(200, 195, 0);
+ glEnd();
+
+ glBindTexture(GL_TEXTURE_2D, tex[1]);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_FUNC, GL_GEQUAL);
+ glBegin(GL_TRIANGLE_STRIP);
+ glTexCoord3f(1.0, 0.0, 2.0);
+ glVertex3f(275, 170, 0);
+ glTexCoord3f(1.0, 1.0, 2.0);
+ glVertex3f(275, 195, 0);
+ glTexCoord3f(0.0, 0.0, 0.0);
+ glVertex3f(250, 170, 0);
+ glTexCoord3f(0.0, 1.0, 0.0);
+ glVertex3f(250, 195, 0);
+ glEnd();
+
+ glBindTexture(GL_TEXTURE_2D, tex[2]);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_FUNC, GL_GEQUAL);
+ glBegin(GL_TRIANGLE_STRIP);
+ glTexCoord3f(1.0, 0.0, 2.0);
+ glVertex3f(175, 170, 0);
+ glTexCoord3f(1.0, 1.0, 2.0);
+ glVertex3f(175, 195, 0);
+ glTexCoord3f(0.0, 0.0, 0.0);
+ glVertex3f(150, 170, 0);
+ glTexCoord3f(0.0, 1.0, 0.0);
+ glVertex3f(150, 195, 0);
+ glEnd();
+
+
+ glBindTexture(GL_TEXTURE_2D, tex[0]);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_FUNC, GL_ALWAYS);
+ glBegin(GL_TRIANGLE_STRIP);
+ glTexCoord3f(1.0, 0.0, 2.0);
+ glVertex3f(225, 135, 0);
+ glTexCoord3f(1.0, 1.0, 2.0);
+ glVertex3f(225, 160, 0);
+ glTexCoord3f(0.0, 0.0, 0.0);
+ glVertex3f(200, 135, 0);
+ glTexCoord3f(0.0, 1.0, 0.0);
+ glVertex3f(200, 160, 0);
+ glEnd();
+
+ glBindTexture(GL_TEXTURE_2D, tex[1]);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_FUNC, GL_ALWAYS);
+ glBegin(GL_TRIANGLE_STRIP);
+ glTexCoord3f(1.0, 0.0, 2.0);
+ glVertex3f(275, 135, 0);
+ glTexCoord3f(1.0, 1.0, 2.0);
+ glVertex3f(275, 160, 0);
+ glTexCoord3f(0.0, 0.0, 0.0);
+ glVertex3f(250, 135, 0);
+ glTexCoord3f(0.0, 1.0, 0.0);
+ glVertex3f(250, 160, 0);
+ glEnd();
+
+ glBindTexture(GL_TEXTURE_2D, tex[2]);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_FUNC, GL_ALWAYS);
+ glBegin(GL_TRIANGLE_STRIP);
+ glTexCoord3f(1.0, 0.0, 2.0);
+ glVertex3f(175, 135, 0);
+ glTexCoord3f(1.0, 1.0, 2.0);
+ glVertex3f(175, 160, 0);
+ glTexCoord3f(0.0, 0.0, 0.0);
+ glVertex3f(150, 135, 0);
+ glTexCoord3f(0.0, 1.0, 0.0);
+ glVertex3f(150, 160, 0);
+ glEnd();
+
+
+ glBindTexture(GL_TEXTURE_2D, tex[0]);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_FUNC, GL_NEVER);
+ glBegin(GL_TRIANGLE_STRIP);
+ glTexCoord3f(1.0, 0.0, 2.0);
+ glVertex3f(225, 100, 0);
+ glTexCoord3f(1.0, 1.0, 2.0);
+ glVertex3f(225, 125, 0);
+ glTexCoord3f(0.0, 0.0, 0.0);
+ glVertex3f(200, 100, 0);
+ glTexCoord3f(0.0, 1.0, 0.0);
+ glVertex3f(200, 125, 0);
+ glEnd();
+
+ glBindTexture(GL_TEXTURE_2D, tex[1]);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_FUNC, GL_NEVER);
+ glBegin(GL_TRIANGLE_STRIP);
+ glTexCoord3f(1.0, 0.0, 2.0);
+ glVertex3f(275, 100, 0);
+ glTexCoord3f(1.0, 1.0, 2.0);
+ glVertex3f(275, 125, 0);
+ glTexCoord3f(0.0, 0.0, 0.0);
+ glVertex3f(250, 100, 0);
+ glTexCoord3f(0.0, 1.0, 0.0);
+ glVertex3f(250, 125, 0);
+ glEnd();
+
+ glBindTexture(GL_TEXTURE_2D, tex[2]);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_FUNC, GL_NEVER);
+ glBegin(GL_TRIANGLE_STRIP);
+ glTexCoord3f(1.0, 0.0, 2.0);
+ glVertex3f(175, 100, 0);
+ glTexCoord3f(1.0, 1.0, 2.0);
+ glVertex3f(175, 125, 0);
+ glTexCoord3f(0.0, 0.0, 0.0);
+ glVertex3f(150, 100, 0);
+ glTexCoord3f(0.0, 1.0, 0.0);
+ glVertex3f(150, 125, 0);
+ glEnd();
+
+
+ glBindTexture(GL_TEXTURE_2D, tex[0]);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_FUNC, GL_NOTEQUAL);
+ glBegin(GL_TRIANGLE_STRIP);
+ glTexCoord3f(1.0, 0.0, 0.5);
+ glVertex3f(225, 65, 0);
+ glTexCoord3f(1.0, 1.0, 0.5);
+ glVertex3f(225, 90, 0);
+ glTexCoord3f(0.0, 0.0, 0.5);
+ glVertex3f(200, 65, 0);
+ glTexCoord3f(0.0, 1.0, 0.5);
+ glVertex3f(200, 90, 0);
+ glEnd();
+
+ glBindTexture(GL_TEXTURE_2D, tex[1]);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_FUNC, GL_NOTEQUAL);
+ glBegin(GL_TRIANGLE_STRIP);
+ glTexCoord3f(1.0, 0.0, 0.5);
+ glVertex3f(275, 65, 0);
+ glTexCoord3f(1.0, 1.0, 0.5);
+ glVertex3f(275, 90, 0);
+ glTexCoord3f(0.0, 0.0, 0.5);
+ glVertex3f(250, 65, 0);
+ glTexCoord3f(0.0, 1.0, 0.5);
+ glVertex3f(250, 90, 0);
+ glEnd();
+
+ glBindTexture(GL_TEXTURE_2D, tex[2]);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_FUNC, GL_NOTEQUAL);
+ glBegin(GL_TRIANGLE_STRIP);
+ glTexCoord3f(1.0, 0.0, 0.5);
+ glVertex3f(175, 65, 0);
+ glTexCoord3f(1.0, 1.0, 0.5);
+ glVertex3f(175, 90, 0);
+ glTexCoord3f(0.0, 0.0, 0.5);
+ glVertex3f(150, 65, 0);
+ glTexCoord3f(0.0, 1.0, 0.5);
+ glVertex3f(150, 90, 0);
+ glEnd();
+
+
+ glBindTexture(GL_TEXTURE_2D, tex[0]);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_FUNC, GL_EQUAL);
+ glBegin(GL_TRIANGLE_STRIP);
+ glTexCoord3f(1.0, 0.0, 0.5);
+ glVertex3f(225, 30, 0);
+ glTexCoord3f(1.0, 1.0, 0.5);
+ glVertex3f(225, 55, 0);
+ glTexCoord3f(0.0, 0.0, 0.5);
+ glVertex3f(200, 30, 0);
+ glTexCoord3f(0.0, 1.0, 0.5);
+ glVertex3f(200, 55, 0);
+ glEnd();
+
+ glBindTexture(GL_TEXTURE_2D, tex[1]);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_FUNC, GL_EQUAL);
+ glBegin(GL_TRIANGLE_STRIP);
+ glTexCoord3f(1.0, 0.0, 0.5);
+ glVertex3f(275, 30, 0);
+ glTexCoord3f(1.0, 1.0, 0.5);
+ glVertex3f(275, 55, 0);
+ glTexCoord3f(0.0, 0.0, 0.5);
+ glVertex3f(250, 30, 0);
+ glTexCoord3f(0.0, 1.0, 0.5);
+ glVertex3f(250, 55, 0);
+ glEnd();
+
+ glBindTexture(GL_TEXTURE_2D, tex[2]);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_FUNC, GL_EQUAL);
+ glBegin(GL_TRIANGLE_STRIP);
+ glTexCoord3f(1.0, 0.0, 0.5);
+ glVertex3f(175, 30, 0);
+ glTexCoord3f(1.0, 1.0, 0.5);
+ glVertex3f(175, 55, 0);
+ glTexCoord3f(0.0, 0.0, 0.5);
+ glVertex3f(150, 30, 0);
+ glTexCoord3f(0.0, 1.0, 0.5);
+ glVertex3f(150, 55, 0);
+ glEnd();
+
+
+ GLboolean pass = GL_TRUE;
+
+ GLfloat pink[3] = {1.0, 0.0, 1.0};
+ GLfloat white[3] = {1.0, 1.0, 1.0};
+ GLfloat black[3] = {0.0, 0.0, 0.0};
+ GLfloat green[3] = {0.0, 1.0, 0.0};
+
+ //less
+ pass = pass && piglit_probe_pixel_rgb(155, 285, pink);
+ pass = pass && piglit_probe_pixel_rgb(205, 285, pink);
+ pass = pass && piglit_probe_pixel_rgb(255, 285, pink);
+ pass = pass && piglit_probe_pixel_rgb(160, 285, white);
+ pass = pass && piglit_probe_pixel_rgb(210, 285, black);
+ pass = pass && piglit_probe_pixel_rgb(260, 285, green);
+ pass = pass && piglit_probe_pixel_rgb(165, 285, white);
+ pass = pass && piglit_probe_pixel_rgb(215, 285, black);
+ pass = pass && piglit_probe_pixel_rgb(265, 285, green);
+
+ //lequal
+ pass = pass && piglit_probe_pixel_rgb(155, 250, pink);
+ pass = pass && piglit_probe_pixel_rgb(205, 250, pink);
+ pass = pass && piglit_probe_pixel_rgb(255, 250, pink);
+ pass = pass && piglit_probe_pixel_rgb(160, 250, white);
+ pass = pass && piglit_probe_pixel_rgb(210, 250, black);
+ pass = pass && piglit_probe_pixel_rgb(260, 250, green);
+ pass = pass && piglit_probe_pixel_rgb(165, 250, white);
+ pass = pass && piglit_probe_pixel_rgb(215, 250, black);
+ pass = pass && piglit_probe_pixel_rgb(265, 250, green);
+
+ //greater
+ pass = pass && piglit_probe_pixel_rgb(155, 215, white);
+ pass = pass && piglit_probe_pixel_rgb(205, 215, black);
+ pass = pass && piglit_probe_pixel_rgb(255, 215, green);
+ pass = pass && piglit_probe_pixel_rgb(160, 215, pink);
+ pass = pass && piglit_probe_pixel_rgb(210, 215, pink);
+ pass = pass && piglit_probe_pixel_rgb(260, 215, pink);
+ pass = pass && piglit_probe_pixel_rgb(165, 215, pink);
+ pass = pass && piglit_probe_pixel_rgb(215, 215, pink);
+ pass = pass && piglit_probe_pixel_rgb(265, 215, pink);
+
+ //gequal
+ pass = pass && piglit_probe_pixel_rgb(155, 180, white);
+ pass = pass && piglit_probe_pixel_rgb(205, 180, black);
+ pass = pass && piglit_probe_pixel_rgb(255, 180, green);
+ pass = pass && piglit_probe_pixel_rgb(160, 180, pink);
+ pass = pass && piglit_probe_pixel_rgb(210, 180, pink);
+ pass = pass && piglit_probe_pixel_rgb(260, 180, pink);
+ pass = pass && piglit_probe_pixel_rgb(165, 180, pink);
+ pass = pass && piglit_probe_pixel_rgb(215, 180, pink);
+ pass = pass && piglit_probe_pixel_rgb(265, 180, pink);
+
+ //always
+ pass = pass && piglit_probe_pixel_rgb(155, 145, pink);
+ pass = pass && piglit_probe_pixel_rgb(205, 145, pink);
+ pass = pass && piglit_probe_pixel_rgb(255, 145, pink);
+ pass = pass && piglit_probe_pixel_rgb(165, 145, pink);
+ pass = pass && piglit_probe_pixel_rgb(215, 145, pink);
+ pass = pass && piglit_probe_pixel_rgb(265, 145, pink);
+
+ //never
+ pass = pass && piglit_probe_pixel_rgb(155, 110, white);
+ pass = pass && piglit_probe_pixel_rgb(205, 110, black);
+ pass = pass && piglit_probe_pixel_rgb(255, 110, green);
+ pass = pass && piglit_probe_pixel_rgb(165, 110, white);
+ pass = pass && piglit_probe_pixel_rgb(215, 110, black);
+ pass = pass && piglit_probe_pixel_rgb(265, 110, green);
+
+ //notequal
+ pass = pass && piglit_probe_pixel_rgb(155, 75, white);
+ pass = pass && piglit_probe_pixel_rgb(205, 75, black);
+ pass = pass && piglit_probe_pixel_rgb(255, 75, green);
+ pass = pass && piglit_probe_pixel_rgb(165, 75, pink);
+ pass = pass && piglit_probe_pixel_rgb(215, 75, pink);
+ pass = pass && piglit_probe_pixel_rgb(265, 75, pink);
+
+ //equal
+ pass = pass && piglit_probe_pixel_rgb(155, 40, pink);
+ pass = pass && piglit_probe_pixel_rgb(205, 40, pink);
+ pass = pass && piglit_probe_pixel_rgb(255, 40, pink);
+ pass = pass && piglit_probe_pixel_rgb(165, 40, white);
+ pass = pass && piglit_probe_pixel_rgb(215, 40, black);
+ pass = pass && piglit_probe_pixel_rgb(265, 40, green);
+
+
+ if(Automatic) {
+ piglit_report_result(pass ? PIGLIT_SUCCESS : PIGLIT_FAILURE);
+ exit(pass ? 0 : 1);
+ }
+
+ glFinish();
+ glutSwapBuffers();
+
+ printf(" Left to Right: ALPHA, LUMINANCE, INTENSITY\n Top to Bottom:
LESS, LEQUAL, GREATER, GEQUAL, ALWAYS, NEVER, NOTEQUAL, EQUAL\n");
+
+}
+
+int main(int argc, char **argv)
+{
+ glutInit(&argc, argv);
+ if(argc==2 && !strncmp(argv[1], "-auto", 5))
+ Automatic=GL_TRUE;
+ glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGB);
+ glutInitWindowSize(400, 300);
+ glutCreateWindow("depth-tex-compare");
+ glutDisplayFunc(display);
+ glutKeyboardFunc(piglit_escape_exit_key);
+
+ Init();
+
+ loadTex();
+
+ glutMainLoop();
+
+ return 0;
+}
--
1.6.3.3
------------------------------------------------------------------------------
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