tri-tex-crash: new test for a specific bug in Mesa/Gallium/LLVMpipe

2 files changed, 135 insertions, 0 deletions

diff --git a/tests/bugs/CMakeLists.txt b/tests/bugs/CMakeLists.txt
index 0089450a7..2757d59e0 100644
--- a/tests/bugs/CMakeLists.txt
+++ b/tests/bugs/CMakeLists.txt
@@ -36,3 +36,4 @@ add_executable (fdo23670-drawpix_stencil fdo23670-drawpix_stencil.c)
 add_executable (fdo24066 fdo24066.c)
 add_executable (fdo25614-genmipmap fdo25614-genmipmap.c)
 add_executable (fdo28551 fdo28551.c)
+add_executable (tri-tex-crash tri-tex-crash.c)
diff --git a/tests/bugs/tri-tex-crash.c b/tests/bugs/tri-tex-crash.c
new file mode 100644
index 000000000..68cd52017
--- /dev/null
+++ b/tests/bugs/tri-tex-crash.c
@@ -0,0 +1,134 @@
+/*
+ * Copyright (c) 2010 VMware, 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
+ * on the rights to use, copy, modify, merge, publish, distribute, sub
+ * license, 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
+ * NON-INFRINGEMENT.  IN NO EVENT SHALL THE AUTHORS OR COYPRIGTH
+ * HOLDERS AND/OR THEIR SUPPLIERS 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
+ * Test drawing a textured triangle.  This is to test a Mesa/Gallium
+ * LLVMpipe crash which only seems to happen when SSE4.1 is not used.
+ */
+
+#include "piglit-util.h"
+
+
+int piglit_width = 400, piglit_height = 400;
+int piglit_window_mode = GLUT_RGB | GLUT_DOUBLE;
+
+
+static void
+make_texture(void)
+{
+   GLubyte image[64][64][3];
+   int i, j, size;
+
+   for (i = 0; i < 64; i++) {
+      for (j = 0; j < 64; j++) {
+         image[i][j][0] = 255;
+         image[i][j][1] = 0;
+         image[i][j][2] = 0;
+      }
+   }
+
+   glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+
+   i = 0;
+   size = 64;
+   while (size) {
+      glTexImage2D(GL_TEXTURE_2D, i, GL_RGB, size, size, 0,
+                   GL_RGB, GL_UNSIGNED_BYTE, image);
+
+      size /= 2;
+      i++;
+   }
+
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,
+                   GL_NEAREST_MIPMAP_NEAREST);
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER,
+                   GL_LINEAR);
+   glEnable(GL_TEXTURE_2D);
+}
+
+
+enum piglit_result
+piglit_display(void)
+{
+   /*
+    * Simply draw a textured tri.  The texture is solid red.
+    * The tri is clipped.
+    */
+   static const GLfloat v[3][4] = {
+      { 10.0, 10.0, 0.0, 1.0 },
+      { 10.0, 1.0, 0.0, 1.0 },
+      { 1.0, 1.0, 0.0, 1.0 },
+   };
+   static const GLfloat t[3][2] = {
+      { 0, 0 },
+      { 1, 0 },
+      { 1, 1 }
+   };
+   static const GLfloat red[4] = { 1, 0, 0, 1 };
+   enum piglit_result result;
+
+   make_texture();
+
+   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+   glBegin(GL_TRIANGLES);
+   glTexCoord2fv(t[0]);   glVertex4fv(v[0]);
+   glTexCoord2fv(t[1]);   glVertex4fv(v[1]);
+   glTexCoord2fv(t[2]);   glVertex4fv(v[2]);
+   glEnd();
+
+   if (piglit_probe_pixel_rgb(piglit_width-5, piglit_height-20, red))
+      result = PIGLIT_SUCCESS;
+   else
+      result = PIGLIT_FAILURE;
+
+   glutSwapBuffers();
+
+   return result;
+}
+
+
+static void
+reshape(int width, int height)
+{
+   piglit_width = width;
+   piglit_height = height;
+
+   glViewport(0, 0, width, height);
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   glFrustum(-1.0, 1.0, -1.0, 1.0, 5.0, 50.0);
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+   glTranslatef(0.0, 0.0, -25.0);
+}
+
+
+void
+piglit_init(int argc, char **argv)
+{
+   glutReshapeFunc(reshape);
+   reshape(piglit_width, piglit_height);
+}