[Piglit] [PATCH v1] Removed the two sided stencil extension Glean test.
Juliet Fru
julietfru at gmail.com
Mon Oct 5 23:23:01 PDT 2015
---
tests/all.py | 1 -
tests/glean/CMakeLists.gl.txt | 1 -
tests/glean/tstencil2.cpp | 842 ------------------------------------------
tests/glean/tstencil2.h | 110 ------
4 files changed, 954 deletions(-)
delete mode 100644 tests/glean/tstencil2.cpp
delete mode 100644 tests/glean/tstencil2.h
diff --git a/tests/all.py b/tests/all.py
index e9d7f9b..210a2cc 100644
--- a/tests/all.py
+++ b/tests/all.py
@@ -265,7 +265,6 @@ with profile.group_manager(GleanTest, 'glean') as g:
# exactRGBA is not included intentionally, because it's too strict and
# the equivalent functionality is covered by other tests
g('shaderAPI')
- g('stencil2')
g('texCombine')
g('texCube')
g('texEnv')
diff --git a/tests/glean/CMakeLists.gl.txt b/tests/glean/CMakeLists.gl.txt
index 355eadd..a92438c 100644
--- a/tests/glean/CMakeLists.gl.txt
+++ b/tests/glean/CMakeLists.gl.txt
@@ -40,7 +40,6 @@ piglit_add_executable (glean
tpointatten.cpp
tpointsprite.cpp
tshaderapi.cpp
- tstencil2.cpp
ttexcombine.cpp
ttexcombine4.cpp
ttexcube.cpp
diff --git a/tests/glean/tstencil2.cpp b/tests/glean/tstencil2.cpp
deleted file mode 100644
index aaf978f..0000000
--- a/tests/glean/tstencil2.cpp
+++ /dev/null
@@ -1,842 +0,0 @@
-// BEGIN_COPYRIGHT -*- glean -*-
-//
-// Copyright (C) 2009 VMware, Inc. All Rights Reserved.
-//
-// 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 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 VMWARE 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.
-//
-// END_COPYRIGHT
-
-
-// Test two-sided stencil extensions
-// Brian Paul
-// 19 Feb 2009
-
-
-// This test could be better:
-// 1. Generate random state vectors, render and compare to expected values
-// 2. Exercise separate front/back reference values and masks for the
-// EXT and GL2 variations.
-
-
-
-#include <cassert>
-#include <cstring>
-#include "tstencil2.h"
-
-
-namespace GLEAN {
-
-// two-sided methods:
-#define ATI 1
-#define EXT 2
-#define GL2 3
-
-
-Stencil2Result::Stencil2Result()
-{
- pass = false;
-}
-
-
-bool
-Stencil2Test::have_ATI_separate_stencil(void) const
-{
- return GLUtils::haveExtension("GL_ATI_separate_stencil");
-}
-
-bool
-Stencil2Test::have_EXT_stencil_two_side(void) const
-{
- return GLUtils::haveExtension("GL_EXT_stencil_two_side");
-}
-
-bool
-Stencil2Test::have_GL2_stencil_two_side(void) const
-{
- return GLUtils::getVersion() >= 2.0;
-}
-
-bool
-Stencil2Test::have_stencil_wrap(void) const
-{
- if (GLUtils::getVersion() >= 2.0) {
- return true;
- }
- else if (GLUtils::haveExtension("GL_EXT_stencil_wrap")) {
- return true;
- }
- return false;
-}
-
-
-// Draw four quads:
-// Bottom row uses GL_CCW
-// Top row uses GL_CW
-// Left column is front-facing
-// Right column is back-facing
-// Check the values in the stencil buffer to see if they match
-// the expected values.
-bool
-Stencil2Test::render_test(GLuint expectedFront, GLuint expectedBack)
-{
- GLint x0 = 0;
- GLint x1 = windowSize / 2;
- GLint x2 = windowSize;
- GLint y0 = 0;
- GLint y1 = windowSize / 2;
- GLint y2 = windowSize;
-
- glFrontFace(GL_CCW); // this the GL default
-
- // lower left quad = front-facing
- glBegin(GL_TRIANGLE_FAN);
- glVertex2f(x0, y0);
- glVertex2f(x1, y0);
- glVertex2f(x1, y1);
- glVertex2f(x0, y1);
- glEnd();
-
- // lower right quad = back-facing
- glBegin(GL_TRIANGLE_FAN);
- glVertex2f(x1, y0);
- glVertex2f(x1, y1);
- glVertex2f(x2, y1);
- glVertex2f(x2, y0);
- glEnd();
-
- glFrontFace(GL_CW);
-
- // upper left quad = front-facing
- glBegin(GL_TRIANGLE_FAN);
- glVertex2f(x0, y1);
- glVertex2f(x0, y2);
- glVertex2f(x1, y2);
- glVertex2f(x1, y1);
- glEnd();
-
- // upper right quad = back-facing
- glBegin(GL_TRIANGLE_FAN);
- glVertex2f(x1, y1);
- glVertex2f(x2, y1);
- glVertex2f(x2, y2);
- glVertex2f(x1, y2);
- glEnd();
-
- GLint midXleft = (x0 + x1) / 2;
- GLint midXright = (x1 + x2) / 2;
- GLint midYlower = (y0 + y1) / 2;
- GLint midYupper = (y1 + y2) / 2;
- GLuint lowerLeftVal, lowerRightVal;
- GLuint upperLeftVal, upperRightVal;
-
- glReadPixels(midXleft, midYlower, 1, 1,
- GL_STENCIL_INDEX, GL_UNSIGNED_INT, &lowerLeftVal);
- glReadPixels(midXright, midYlower, 1, 1,
- GL_STENCIL_INDEX, GL_UNSIGNED_INT, &lowerRightVal);
-
- glReadPixels(midXleft, midYupper, 1, 1,
- GL_STENCIL_INDEX, GL_UNSIGNED_INT, &upperLeftVal);
- glReadPixels(midXright, midYupper, 1, 1,
- GL_STENCIL_INDEX, GL_UNSIGNED_INT, &upperRightVal);
-
- if (lowerLeftVal != upperLeftVal) {
- env->log << "FAIL:\n";
- env->log << "\tLower-left value (" << lowerLeftVal
- << ") doesn't match upper-left value ("
- << upperLeftVal
- << ").\n";
- env->log << "\tLooks like a front/back-face orientation bug.\n";
- return false;
- }
-
- if (lowerRightVal != upperRightVal) {
- env->log << "FAIL:\n";
- env->log << "\tLower-right value (" << lowerRightVal
- << ") doesn't match upper-right value ("
- << upperRightVal
- << ").\n";
- env->log << "\tLooks like a front/back-face orientation bug.\n";
- return false;
- }
-
-
- if (lowerLeftVal != expectedFront) {
- env->log << "FAIL:\n";
- env->log << "\tExpected front-face stencil value is "
- << expectedFront
- << " but found " << lowerLeftVal << "\n";
- return false;
- }
- else if (lowerRightVal != expectedBack) {
- env->log << "FAIL:\n";
- env->log << "\tExpected back-face stencil value is " << expectedBack
- << " but found " << lowerRightVal << "\n";
- return false;
- }
- else {
- return true;
- }
-}
-
-
-bool
-Stencil2Test::compare_state(int method, GLenum found, GLenum expected,
- const char *msg)
-{
- if (found != expected) {
- env->log << "FAIL:\n";
- env->log << "\tQuery of " << msg << " state failed for ";
- switch (method) {
- case ATI:
- env->log << "GL_ATI_separate_stencil";
- break;
- case EXT:
- env->log << "GL_EXT_stencil_two_side";
- break;
- case GL2:
- env->log << "GL 2.x two-sided stencil";
- break;
- default:
- assert(0);
- }
- env->log << "\n";
- char s[1000];
- sprintf(s, "\tFound 0x%x, expected 0x%x\n", found, expected);
- env->log << s;
- return false;
- }
- return true;
-}
-
-
-// Set stencil state, plus read it back and check that it's correct.
-// Note: we only test with one reference value and one mask value
-// even though EXT and GL2 support separate front/back refs/masks
-bool
-Stencil2Test::set_stencil_state(int method,
- GLenum frontStencilFail,
- GLenum backStencilFail,
- GLenum frontZFail,
- GLenum backZFail,
- GLenum frontZPass,
- GLenum backZPass,
- GLenum frontFunc,
- GLenum backFunc,
- GLint frontRef,
- GLint backRef,
- GLuint frontMask,
- GLuint backMask,
- GLuint frontWriteMask,
- GLuint backWriteMask)
-{
- GLint get_frontStencilFail;
- GLint get_backStencilFail;
- GLint get_frontZFail;
- GLint get_backZFail;
- GLint get_frontZPass;
- GLint get_backZPass;
- GLint get_frontFunc;
- GLint get_backFunc;
- GLint get_frontRef;
- GLint get_backRef;
- GLint get_frontMask;
- GLint get_backMask;
- GLint get_frontWriteMask;
- GLint get_backWriteMask;
- GLint twoEnabled;
-
- switch (method) {
- case ATI:
- assert(frontRef == backRef);
- assert(frontMask == backMask);
- assert(frontWriteMask == backWriteMask);
-
- // set state
- glStencilOpSeparateATI(GL_FRONT,
- frontStencilFail,
- frontZFail,
- frontZPass);
-
- glStencilOpSeparateATI(GL_BACK,
- backStencilFail,
- backZFail,
- backZPass);
-
- glStencilFuncSeparateATI(frontFunc, backFunc, frontRef, frontMask);
-
- glStencilMask(frontWriteMask);
-
- // get state
- glGetIntegerv(GL_STENCIL_FAIL, &get_frontStencilFail);
- glGetIntegerv(GL_STENCIL_PASS_DEPTH_FAIL, &get_frontZFail);
- glGetIntegerv(GL_STENCIL_PASS_DEPTH_PASS, &get_frontZPass);
- glGetIntegerv(GL_STENCIL_FUNC, &get_frontFunc);
- glGetIntegerv(GL_STENCIL_REF, &get_frontRef);
- glGetIntegerv(GL_STENCIL_VALUE_MASK, &get_frontMask);
- glGetIntegerv(GL_STENCIL_WRITEMASK, &get_frontWriteMask);
-
- glGetIntegerv(GL_STENCIL_BACK_FUNC_ATI, &get_backFunc);
- glGetIntegerv(GL_STENCIL_BACK_FAIL_ATI, &get_backStencilFail);
- glGetIntegerv(GL_STENCIL_BACK_PASS_DEPTH_FAIL_ATI, &get_backZFail);
- glGetIntegerv(GL_STENCIL_BACK_PASS_DEPTH_PASS_ATI, &get_backZPass);
- get_backRef = get_frontRef;
- get_backMask = get_frontMask;
- get_backWriteMask = get_frontWriteMask;
- twoEnabled = GL_TRUE;
- break;
-
- case EXT:
- // set state
- glEnable(GL_STENCIL_TEST_TWO_SIDE_EXT);
-
- glActiveStencilFaceEXT(GL_FRONT);
- glStencilOp(frontStencilFail, frontZFail, frontZPass);
- glStencilFunc(frontFunc, frontRef, frontMask);
- glStencilMask(frontWriteMask);
-
- glActiveStencilFaceEXT(GL_BACK);
- glStencilOp(backStencilFail, backZFail, backZPass);
- glStencilFunc(backFunc, backRef, backMask);
- glStencilMask(backWriteMask);
-
- // get state
- glActiveStencilFaceEXT(GL_FRONT);
- glGetIntegerv(GL_STENCIL_FAIL, &get_frontStencilFail);
- glGetIntegerv(GL_STENCIL_PASS_DEPTH_FAIL, &get_frontZFail);
- glGetIntegerv(GL_STENCIL_PASS_DEPTH_PASS, &get_frontZPass);
- glGetIntegerv(GL_STENCIL_FUNC, &get_frontFunc);
- glGetIntegerv(GL_STENCIL_REF, &get_frontRef);
- glGetIntegerv(GL_STENCIL_VALUE_MASK, &get_frontMask);
- glGetIntegerv(GL_STENCIL_WRITEMASK, &get_frontWriteMask);
- glActiveStencilFaceEXT(GL_BACK);
- glGetIntegerv(GL_STENCIL_FAIL, &get_backStencilFail);
- glGetIntegerv(GL_STENCIL_PASS_DEPTH_FAIL, &get_backZFail);
- glGetIntegerv(GL_STENCIL_PASS_DEPTH_PASS, &get_backZPass);
- glGetIntegerv(GL_STENCIL_FUNC, &get_backFunc);
- glGetIntegerv(GL_STENCIL_REF, &get_backRef);
- glGetIntegerv(GL_STENCIL_VALUE_MASK, &get_backMask);
- glGetIntegerv(GL_STENCIL_WRITEMASK, &get_backWriteMask);
- glGetIntegerv(GL_STENCIL_TEST_TWO_SIDE_EXT, &twoEnabled);
- break;
-
- case GL2:
- // set state
- glStencilOpSeparate(GL_FRONT,
- frontStencilFail,
- frontZFail,
- frontZPass);
- glStencilOpSeparate(GL_BACK,
- backStencilFail,
- backZFail,
- backZPass);
- glStencilFuncSeparate(GL_FRONT, frontFunc, frontRef, frontMask);
- glStencilFuncSeparate(GL_BACK, backFunc, backRef, backMask);
- glStencilMaskSeparate(GL_FRONT, frontWriteMask);
- glStencilMaskSeparate(GL_BACK, backWriteMask);
-
- // get state
- glGetIntegerv(GL_STENCIL_FAIL, &get_frontStencilFail);
- glGetIntegerv(GL_STENCIL_PASS_DEPTH_FAIL, &get_frontZFail);
- glGetIntegerv(GL_STENCIL_PASS_DEPTH_PASS, &get_frontZPass);
- glGetIntegerv(GL_STENCIL_FUNC, &get_frontFunc);
- glGetIntegerv(GL_STENCIL_REF, &get_frontRef);
- glGetIntegerv(GL_STENCIL_VALUE_MASK, &get_frontMask);
- glGetIntegerv(GL_STENCIL_WRITEMASK, &get_frontWriteMask);
-
- glGetIntegerv(GL_STENCIL_BACK_FUNC, &get_backFunc);
- glGetIntegerv(GL_STENCIL_BACK_FAIL, &get_backStencilFail);
- glGetIntegerv(GL_STENCIL_BACK_PASS_DEPTH_FAIL, &get_backZFail);
- glGetIntegerv(GL_STENCIL_BACK_PASS_DEPTH_PASS, &get_backZPass);
- glGetIntegerv(GL_STENCIL_BACK_REF, &get_backRef);
- glGetIntegerv(GL_STENCIL_BACK_VALUE_MASK, &get_backMask);
- glGetIntegerv(GL_STENCIL_BACK_WRITEMASK, &get_backWriteMask);
- twoEnabled = GL_TRUE;
- break;
-
- default:
- assert(0);
- }
-
- // mask off bits we don't care about
- get_frontMask &= stencilMax;
- frontMask &= stencilMax;
- get_backMask &= stencilMax;
- backMask &= stencilMax;
- get_frontWriteMask &= stencilMax;
- frontWriteMask &= stencilMax;
- get_backWriteMask &= stencilMax;
- backWriteMask &= stencilMax;
-
- GLenum err = glGetError();
- if (err != GL_NO_ERROR) {
- env->log << "FAIL:\n";
- env->log << "\tGL error " << err << " detected.\n";
- return false;
- }
-
- // see if state-get matches state-set
-
- if (!compare_state(method, get_frontStencilFail, frontStencilFail,
- "front stencil fail"))
- return false;
-
- if (!compare_state(method, get_backStencilFail, backStencilFail,
- "back stencil fail"))
- return false;
-
- if (!compare_state(method, get_frontZFail, frontZFail,
- "front Z fail"))
- return false;
-
- if (!compare_state(method, get_backZFail, backZFail,
- "back Z fail"))
- return false;
-
- if (!compare_state(method, get_frontZPass, frontZPass,
- "front Z pass"))
- return false;
-
- if (!compare_state(method, get_backZPass, backZPass,
- "back Z pass"))
- return false;
-
- if (!compare_state(method, get_frontFunc, frontFunc,
- "front stencil func"))
- return false;
-
- if (!compare_state(method, get_backFunc, backFunc,
- "back stencil func"))
- return false;
-
- if (!compare_state(method, get_frontRef, frontRef,
- "front stencil ref"))
- return false;
-
- if (!compare_state(method, get_backRef, backRef,
- "back stencil ref"))
- return false;
-
- if (!compare_state(method, get_frontMask, frontMask,
- "front stencil mask"))
- return false;
-
- if (!compare_state(method, get_backMask, backMask,
- "back stencil mask"))
- return false;
-
- if (!compare_state(method, get_frontWriteMask, frontWriteMask,
- "front stencil writemask"))
- return false;
-
- if (!compare_state(method, get_backWriteMask, backWriteMask,
- "back stencil writemask"))
- return false;
-
- if (!compare_state(method, twoEnabled, GL_TRUE, "two-side enable"))
- return false;
-
- return true;
-}
-
-
-bool
-Stencil2Test::set_stencil_state(int method,
- GLenum frontStencilFail,
- GLenum backStencilFail,
- GLenum frontZFail,
- GLenum backZFail,
- GLenum frontZPass,
- GLenum backZPass,
- GLenum frontFunc,
- GLenum backFunc,
- GLint ref,
- GLuint mask,
- GLuint writeMask)
-{
- return set_stencil_state(method,
- frontStencilFail,
- backStencilFail,
- frontZFail,
- backZFail,
- frontZPass,
- backZPass,
- frontFunc,
- backFunc,
- ref, // frontRef
- ref, // backRef
- mask, // frontMask
- mask, // backMask
- writeMask, // frontWriteMask
- writeMask); // backWriteMask
-}
-
-
-void
-Stencil2Test::reset_stencil_state(int method)
-{
- switch (method) {
- case ATI:
- break;
- case EXT:
- glDisable(GL_STENCIL_TEST_TWO_SIDE_EXT);
- glActiveStencilFaceEXT(GL_FRONT);
- break;
- case GL2:
- break;
- default:
- assert(0);
- }
-}
-
-
-bool
-Stencil2Test::test_stencil(int method)
-{
- bool pass;
-
- glEnable(GL_STENCIL_TEST);
-
- //============================================================
- // No depth testing
- glDisable(GL_DEPTH_TEST);
-
- glClear(GL_COLOR_BUFFER_BIT |
- GL_STENCIL_BUFFER_BIT |
- GL_DEPTH_BUFFER_BIT);
-
-
- // set stencil buffer vals to 5
- pass = set_stencil_state(method,
- GL_KEEP, GL_KEEP, // stencil fail
- GL_KEEP, GL_KEEP, // z fail
- GL_REPLACE, GL_REPLACE, // z pass
- GL_ALWAYS, GL_ALWAYS, // stencil func
- 5, ~0); // ref, mask
- if (pass)
- pass = render_test(5, 5);
- reset_stencil_state(method);
- if (!pass)
- return false;
-
- // incr front val to 6, decr back val to 4
- pass = set_stencil_state(method,
- GL_KEEP, GL_KEEP, // stencil fail
- GL_KEEP, GL_KEEP, // z fail
- GL_INCR, GL_DECR, // z pass
- GL_ALWAYS, GL_ALWAYS, // stencil func
- 5, ~0); // ref, mask
- if (pass)
- pass = render_test(6, 4);
- reset_stencil_state(method);
- if (!pass)
- return false;
-
- // if front==6, keep
- // if back<6, replace with zero
- // final: front=6, back=0
- pass = set_stencil_state(method,
- GL_KEEP, GL_ZERO, // stencil fail
- GL_KEEP, GL_KEEP, // z fail
- GL_KEEP, GL_KEEP, // z pass
- GL_EQUAL, GL_LESS, // stencil func
- 6, ~0); // ref, mask
- if (pass)
- pass = render_test(6, 0);
- reset_stencil_state(method);
- if (!pass)
- return false;
-
- // if front!=10, keep, else decr
- // if back<10, keep, else incr
- // final: front=6, back=1
- pass = set_stencil_state(method,
- GL_DECR, GL_INCR, // stencil fail
- GL_KEEP, GL_KEEP, // z fail
- GL_KEEP, GL_KEEP, // z pass
- GL_NOTEQUAL, GL_LESS, // stencil func
- 10, ~0); // ref, mask
- if (pass)
- pass = render_test(6, 1);
- reset_stencil_state(method);
- if (!pass)
- return false;
-
- if (method != ATI) {
- // if front!=10, keep, else decr
- // if back<10, keep, else incr
- // final: front=6, back=1
- pass = set_stencil_state(method,
- GL_DECR, GL_INCR, // stencil fail
- GL_KEEP, GL_KEEP, // z fail
- GL_REPLACE, GL_REPLACE, // z pass
- GL_ALWAYS, GL_ALWAYS, // stencil func
- 0xf6, 0xf1, // ref
- 0xff, 0xff, // mask
- 0x60, 0x10); // writeMask
- if (pass)
- pass = render_test(0x66, 0x11);
- reset_stencil_state(method);
- if (!pass)
- return false;
- }
-
- // reset write mask for clear
- set_stencil_state(method,
- GL_KEEP, GL_KEEP, // stencil fail
- GL_KEEP, GL_KEEP, // z fail
- GL_REPLACE, GL_REPLACE, // z pass
- GL_ALWAYS, GL_ALWAYS, // stencil func
- 0, 0,
- ~0, ~0,
- ~0, ~0);
-
- //============================================================
- // Now begin tests with depth test
- glEnable(GL_DEPTH_TEST);
- glDepthFunc(GL_LESS);
-
- glClear(GL_COLOR_BUFFER_BIT |
- GL_STENCIL_BUFFER_BIT |
- GL_DEPTH_BUFFER_BIT);
-
- // set stencil buffer vals to 7, set Z values
- pass = set_stencil_state(method,
- GL_KEEP, GL_KEEP, // stencil fail
- GL_KEEP, GL_KEEP, // z fail
- GL_REPLACE, GL_REPLACE, // z pass
- GL_ALWAYS, GL_ALWAYS, // stencil func
- 7, ~0); // ref, mask
- if (pass)
- pass = render_test(7, 7);
- reset_stencil_state(method);
- if (!pass)
- return false;
-
-
- // GL_LESS test should fail everywhere
- // decr front to 5, incr back to 2
- pass = set_stencil_state(method,
- GL_KEEP, GL_KEEP, // stencil fail
- GL_DECR, GL_INCR, // z fail
- GL_KEEP, GL_KEEP, // z pass
- GL_ALWAYS, GL_ALWAYS, // stencil func
- 99, ~0); // ref, mask
- if (pass)
- pass = render_test(6, 8);
- reset_stencil_state(method);
- if (!pass)
- return false;
-
-
- // set depth test = GL_EQUAL
- // Z test should pass everywhere
- // set front to 3
- // decr back to 7
- glDepthFunc(GL_EQUAL);
- pass = set_stencil_state(method,
- GL_KEEP, GL_KEEP, // stencil fail
- GL_KEEP, GL_KEEP, // z fail
- GL_REPLACE, GL_DECR, // z pass
- GL_ALWAYS, GL_ALWAYS, // stencil func
- 3, ~0); // ref, mask
- if (pass)
- pass = render_test(3, 7);
- reset_stencil_state(method);
- if (!pass)
- return false;
-
-
- // incr front to 4 (by z pass), decr back to 6 (by stencil fail)
- pass = set_stencil_state(method,
- GL_DECR, GL_DECR, // stencil fail
- GL_KEEP, GL_KEEP, // z fail
- GL_INCR, GL_REPLACE, // z pass
- GL_EQUAL, GL_EQUAL, // stencil func
- 3, ~0); // ref, mask
- if (pass)
- pass = render_test(4, 6);
- reset_stencil_state(method);
- if (!pass)
- return false;
-
-
- //============================================================
- // Disable depth test
- glDisable(GL_DEPTH_TEST);
-
- // test stencil value mask
- // only test bit 1 in stencil values
- // if !(front&0x2 == 15&0x2), decr to 3 (should happen)
- // if !(back&0x2 == 15&0x2), incr to 7 (should not happen)
- pass = set_stencil_state(method,
- GL_DECR, GL_INCR, // stencil fail
- GL_KEEP, GL_KEEP, // z fail
- GL_KEEP, GL_KEEP, // z pass
- GL_EQUAL, GL_EQUAL, // stencil func
- 15, 0x2); // ref, mask
- if (pass)
- pass = render_test(3, 6);
- reset_stencil_state(method);
- if (!pass)
- return false;
-
-
- //============================================================
- // Test common two-sided stencil modes for shadow volume rendering
- // Requires stencil +/- wrap feature.
-
- if (!have_stencil_wrap())
- return true;
-
- glClear(GL_COLOR_BUFFER_BIT |
- GL_STENCIL_BUFFER_BIT |
- GL_DEPTH_BUFFER_BIT);
-
- glEnable(GL_DEPTH_TEST);
- glDepthFunc(GL_LESS);
-
- // "traditional / Z-pass" method:
- // front face: incr on zpass
- // back face: decr on zpass
- // both front and back Z-test should pass here
- pass = set_stencil_state(method,
- GL_KEEP, GL_KEEP, // stencil fail
- GL_KEEP, GL_KEEP, // z fail
- GL_INCR_WRAP_EXT, GL_DECR_WRAP_EXT, // z pass
- GL_ALWAYS, GL_ALWAYS, // stencil func
- 0, ~0); // ref, mask
- if (pass)
- pass = render_test(1, stencilMax);
- reset_stencil_state(method);
- if (!pass)
- return false;
-
-
- // "Z-fail" method:
- // front face: decr on zfail
- // back face: incr on zfail
- // both front and back Z-test should fail here
- pass = set_stencil_state(method,
- GL_KEEP, GL_KEEP, // stencil fail
- GL_DECR_WRAP_EXT, GL_INCR_WRAP_EXT, // z fail
- GL_KEEP, GL_KEEP, // z pass
- GL_ALWAYS, GL_ALWAYS, // stencil func
- 0, ~0); // ref, mask
- if (pass)
- pass = render_test(0, 0);
- reset_stencil_state(method);
- if (!pass)
- return false;
-
-
- return true;
-}
-
-
-void
-Stencil2Test::runOne(Stencil2Result &r, Window &w)
-{
- (void) w; // silence warning
- r.pass = true;
-
- // how many stencil bits (we assume at least 8 above)
- glGetIntegerv(GL_STENCIL_BITS, &stencilBits);
- stencilMax = (1 << stencilBits) - 1;
- assert(stencilBits >= 8);
-
- glViewport(0, 0, windowSize, windowSize);
- glMatrixMode(GL_PROJECTION);
- glLoadIdentity();
- glOrtho(0, windowSize, 0, windowSize, -1, 1);
- glMatrixMode(GL_MODELVIEW);
- glLoadIdentity();
-
- if (have_ATI_separate_stencil()) {
- r.pass &= test_stencil(ATI);
- }
-
- if (have_EXT_stencil_two_side()) {
- r.pass &= test_stencil(EXT);
- }
-
- if (have_GL2_stencil_two_side()) {
- r.pass &= test_stencil(GL2);
- }
-}
-
-
-void
-Stencil2Test::logOne(Stencil2Result &r)
-{
- logPassFail(r);
- logConcise(r);
-}
-
-
-void
-Stencil2Result::putresults(ostream &s) const
-{
- if (pass) {
- s << "PASS\n";
- }
- else {
- s << "FAIL\n";
- }
-}
-
-
-bool
-Stencil2Result::getresults(istream &s)
-{
- char result[1000];
- s >> result;
-
- if (strcmp(result, "FAIL") == 0) {
- pass = false;
- }
- else {
- pass = true;
- }
- return s.good();
-}
-
-
-bool
-Stencil2Test::isApplicable() const
-{
- return (have_ATI_separate_stencil() ||
- have_EXT_stencil_two_side() ||
- have_EXT_stencil_two_side());
-}
-
-
-
-// The test object itself:
-Stencil2Test stencil2Test("stencil2",
- "window, rgb, s, z", // we need stencil and Z
- "", // no extension filter, but see isApplicable()
- "Test two-sided stencil features\n");
-
-
-
-} // namespace GLEAN
diff --git a/tests/glean/tstencil2.h b/tests/glean/tstencil2.h
deleted file mode 100644
index 7adac32..0000000
--- a/tests/glean/tstencil2.h
+++ /dev/null
@@ -1,110 +0,0 @@
-// BEGIN_COPYRIGHT -*- glean -*-
-//
-// Copyright (C) 2009 VMware, Inc. All Rights Reserved.
-//
-// 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 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 VMWARE 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.
-//
-// END_COPYRIGHT
-
-// tstencil2.h: Test two-sided stencil features
-
-#ifndef __tstencil2_h__
-#define __tstencil2_h__
-
-#include "tbase.h"
-
-namespace GLEAN {
-
-#define windowSize 100
-
-class Stencil2Result: public BaseResult
-{
-public:
- bool pass;
-
- Stencil2Result();
-
- virtual void putresults(ostream& s) const;
- virtual bool getresults(istream& s);
-};
-
-
-class Stencil2Test: public BaseTest<Stencil2Result>
-{
-public:
- GLEAN_CLASS_WH(Stencil2Test, Stencil2Result,
- windowSize, windowSize);
-
- bool isApplicable() const;
-
-private:
- GLint stencilBits, stencilMax;
-
- bool have_ATI_separate_stencil(void) const;
- bool have_EXT_stencil_two_side(void) const;
- bool have_GL2_stencil_two_side(void) const;
- bool have_stencil_wrap(void) const;
-
- bool render_test(GLuint expectedFront, GLuint expectedBack);
-
- bool compare_state(int method, GLenum found, GLenum expected, const char *msg);
-
- bool set_stencil_state(int method,
- GLenum frontStencilFail,
- GLenum backStencilFail,
- GLenum frontZFail,
- GLenum backZFail,
- GLenum frontZPass,
- GLenum backZPass,
- GLenum frontFunc,
- GLenum backFunc,
- GLint frontRef,
- GLint backRef,
- GLuint frontMask,
- GLuint backMask,
- GLuint frontWriteMask,
- GLuint backWriteMask);
-
- bool set_stencil_state(int method,
- GLenum frontStencilFail,
- GLenum backStencilFail,
- GLenum frontZFail,
- GLenum backZFail,
- GLenum frontZPass,
- GLenum backZPass,
- GLenum frontFunc,
- GLenum backFunc,
- GLint ref,
- GLuint mask,
- GLuint writeMask = ~0);
-
- void reset_stencil_state(int method);
-
- bool test_stencil(GLint method);
-
-};
-
-} // namespace GLEAN
-
-#endif // __tstencil2_h__
-
--
2.4.3
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