void Shader::setParameter(const std::string &name, const Transform &transform) {
if (mShaderProgram) {
ensureGLContext();
GLhandleARB program = glCheck(glGetHandleARB(glGetHandleARB(GL_PROGRAM_OBJECT_ARB)));
glCheck(glUseProgramObjectARB(mShaderProgram));
GLint location = getParamLocation(name);
if (location != -1) {
glCheck(glUniformMatrix4fvARB(location, 1, GL_FALSE, transform.getMatrix()));
}
glCheck(glUseProgramObjectARB(program));
}
}
void Shader::setParameter(const std::string &name, float x, float y, float z, float w) {
if (mShaderProgram) {
ensureGLContext();
GLhandleARB program = glCheck(glGetHandleARB(glGetHandleARB(GL_PROGRAM_OBJECT_ARB)));
glCheck(glUseProgramObjectARB(mShaderProgram));
GLint location = getParamLocation(name);
if (location != -1) {
glCheck(glUniform4fARB(location, x, y, z, w));
}
glCheck(glUseProgramObjectARB(program));
}
}
void GPU::Shader::SetUniform( const std::string& name,
const void *value )
{
UniformMap::iterator uu = m_Uniforms.find( name );
if( uu != m_Uniforms.end() )
{
GLuint activeProgBackup = glGetHandleARB( GL_PROGRAM_OBJECT_ARB );
glUseProgramObjectARB( m_Id );
Uniform &u = uu->second;
switch( u.type )
{
case GL_FLOAT: glUniform1fvARB( u.location, u.size, (GLfloat*) value ); break;
case GL_FLOAT_VEC2_ARB: glUniform2fvARB( u.location, u.size, (GLfloat*) value ); break;
case GL_FLOAT_VEC3_ARB: glUniform3fvARB( u.location, u.size, (GLfloat*) value ); break;
case GL_FLOAT_VEC4_ARB: glUniform4fvARB( u.location, u.size, (GLfloat*) value ); break;
case GL_INT: glUniform1ivARB( u.location, u.size, (GLint*) value ); break;
case GL_INT_VEC2_ARB: glUniform2ivARB( u.location, u.size, (GLint*) value ); break;
case GL_INT_VEC3_ARB: glUniform3ivARB( u.location, u.size, (GLint*) value ); break;
case GL_INT_VEC4_ARB: glUniform4ivARB( u.location, u.size, (GLint*) value ); break;
case GL_BOOL_ARB: glUniform1ivARB( u.location, u.size, (GLint*) value ); break;
case GL_BOOL_VEC2_ARB: glUniform2ivARB( u.location, u.size, (GLint*) value ); break;
case GL_BOOL_VEC3_ARB: glUniform3ivARB( u.location, u.size, (GLint*) value ); break;
case GL_BOOL_VEC4_ARB: glUniform4ivARB( u.location, u.size, (GLint*) value ); break;
case GL_FLOAT_MAT2_ARB: glUniformMatrix2fvARB( u.location, u.size, GL_FALSE, (GLfloat*) value ); break;
case GL_FLOAT_MAT3_ARB: glUniformMatrix3fvARB( u.location, u.size, GL_FALSE, (GLfloat*) value ); break;
case GL_FLOAT_MAT4_ARB: glUniformMatrix4fvARB( u.location, u.size, GL_FALSE, (GLfloat*) value ); break;
}
glUseProgramObjectARB( activeProgBackup );
}
}
void
RVolume::glRender(magnet::GL::FBO& fbo)
{
if (!_visible || !_data.isValid()) return;
//Before we render, we need the current depth buffer for depth testing.
fbo.detach();
fbo.copyto(*_fbo, GL_DEPTH_BUFFER_BIT);
fbo.attach();
//Now bind this copied depth texture to texture unit 0
_fbo->getDepthTexture().bind(0);
_data.bind(1);
_transferFuncTexture.bind(2);
//Now we can render
GLhandleARB oldshader = glGetHandleARB(GL_PROGRAM_OBJECT_ARB);
_shader["FocalLength"] = GLfloat(1.0f / std::tan(_viewPort->getFOVY() * (M_PI / 360.0f)));
{
std::tr1::array<GLfloat,2> winsize = {{_viewPort->getWidth(), _viewPort->getHeight()}};
_shader["WindowSize"] = winsize;
}
{
Vector eyeOrigin = _viewPort->getEyeLocation();
std::tr1::array<GLfloat,3> origin = {{eyeOrigin[0], eyeOrigin[1], eyeOrigin[2]}};
_shader["RayOrigin"] = origin;
}
_shader["DepthTexture"] = 0;
_shader["NearDist"] = _viewPort->getZNear();
_shader["FarDist"] = _viewPort->getZFar();
_shader["DataTexture"] = 1;
_shader["StepSize"] = _stepSizeVal;
_shader["DiffusiveLighting"] = GLfloat(_diffusiveLighting->get_value());
_shader["SpecularLighting"] = GLfloat(_specularLighting->get_value());
_shader["DitherRay"] = GLfloat(_ditherRay->get_value());
_shader["TransferTexture"] = 2;
_shader.attach();
glEnable(GL_CULL_FACE);
glCullFace(GL_FRONT);
glDepthMask(GL_FALSE);
glDisable(GL_DEPTH_TEST);
RQuads::glRender();
glEnable(GL_DEPTH_TEST);
glDepthMask(GL_TRUE);
glDisable(GL_CULL_FACE);
glUseProgramObjectARB(oldshader);
}
void GPU::Shader::SetSampler( const std::string& name,
const GLint texUnit )
{
SamplerMap::iterator s = m_Samplers.find( name );
if( s != m_Samplers.end() )
{
GLuint activeProgBackup = glGetHandleARB( GL_PROGRAM_OBJECT_ARB );
glUseProgramObjectARB( m_Id );
glUniform1iARB( s->second, texUnit );
glUseProgramObjectARB( activeProgBackup );
}
}
void Shader::setParameter(const std::string& name, float x, float y, float z, float w)
{
if (m_shaderProgram)
{
ensureGlContext();
// Enable program
GLhandleARB program = glGetHandleARB(GL_PROGRAM_OBJECT_ARB);
glCheck(glUseProgramObjectARB(m_shaderProgram));
// Get parameter location and assign it new values
GLint location = getParamLocation(name);
if (location != -1)
glCheck(glUniform4fARB(location, x, y, z, w));
// Disable program
glCheck(glUseProgramObjectARB(program));
}
}
void Shader::setParameter(const std::string& name, const sf::Transform& transform)
{
if (m_shaderProgram)
{
ensureGlContext();
// Enable program
GLhandleARB program = glGetHandleARB(GL_PROGRAM_OBJECT_ARB);
glCheck(glUseProgramObjectARB(m_shaderProgram));
// Get parameter location and assign it new values
GLint location = getParamLocation(name);
if (location != -1)
glCheck(glUniformMatrix4fvARB(location, 1, GL_FALSE, transform.getMatrix()));
// Disable program
glCheck(glUseProgramObjectARB(program));
}
}
void Shader::setParameter(const std::string& name, math::Matrix4f matrix)
{
if (m_shaderProgram)
{
ensureGlContext();
// Enable program
GLhandleARB program = glGetHandleARB(GL_PROGRAM_OBJECT_ARB);
glCheck(glUseProgramObjectARB(m_shaderProgram));
// Get parameter location and assign it new values
GLint location = getParamLocation(name);
if (location != -1) {
std::array<float, 16> glmatrix = matrix.toGlMatrix();
glCheck(glUniformMatrix4fvARB(location, 1, GL_FALSE, glmatrix.data()));
}
// Disable program
glCheck(glUseProgramObjectARB(program));
}
}
void Shader::SetParameter(const std::string& name, float x, float y, float z, float w)
{
if (myShaderProgram)
{
// Enable program
GLhandleARB program = glGetHandleARB(GL_PROGRAM_OBJECT_ARB);
GLCheck(glUseProgramObjectARB(myShaderProgram));
// Get parameter location and assign it new values
GLint location = glGetUniformLocationARB(myShaderProgram, name.c_str());
if (location != -1)
GLCheck(glUniform4fARB(location, x, y, z, w));
else
Err() << "Parameter \"" << name << "\" not found in shader" << std::endl;
// Disable program
GLCheck(glUseProgramObjectARB(program));
}
}
void Shader::setParameter(const std::string& name, float x, float y, float z)
{
if (m_shaderProgram)
{
ensureGlContext();
// Enable program
GLhandleARB program = glGetHandleARB(GL_PROGRAM_OBJECT_ARB);
glCheck(glUseProgramObjectARB(m_shaderProgram));
// Get parameter location and assign it new values
GLint location = glGetUniformLocationARB(m_shaderProgram, name.c_str());
if (location != -1)
glCheck(glUniform3fARB(location, x, y, z));
else
err() << "Parameter \"" << name << "\" not found in shader" << std::endl;
// Disable program
glCheck(glUseProgramObjectARB(program));
}
}
void Shader::SetParameter(const std::string& name, const sf::Transform& transform)
{
if (myShaderProgram)
{
EnsureGlContext();
// Enable program
GLhandleARB program = glGetHandleARB(GL_PROGRAM_OBJECT_ARB);
GLCheck(glUseProgramObjectARB(myShaderProgram));
// Get parameter location and assign it new values
GLint location = glGetUniformLocationARB(myShaderProgram, name.c_str());
if (location != -1)
GLCheck(glUniformMatrix4fvARB(location, 1, GL_FALSE, transform.GetMatrix()));
else
Err() << "Parameter \"" << name << "\" not found in shader" << std::endl;
// Disable program
GLCheck(glUseProgramObjectARB(program));
}
}
static inline void
dumpCurrentProgramObj(JSONWriter &json)
{
GLhandleARB programObj = glGetHandleARB(GL_PROGRAM_OBJECT_ARB);
if (!programObj) {
return;
}
GLint attached_shaders = 0;
glGetProgramivARB(programObj, GL_OBJECT_ATTACHED_OBJECTS_ARB, &attached_shaders);
if (!attached_shaders) {
return;
}
GLhandleARB *shaderObjs = new GLhandleARB[attached_shaders];
GLsizei count = 0;
glGetAttachedObjectsARB(programObj, attached_shaders, &count, shaderObjs);
for (GLsizei i = 0; i < count; ++ i) {
dumpShaderObj(json, shaderObjs[i]);
}
delete [] shaderObjs;
}
JNIEXPORT jint JNICALL Java_org_lwjgl_opengl_ARBShaderObjects_nglGetHandleARB(JNIEnv *env, jclass clazz, jint pname, jlong function_pointer) {
glGetHandleARBPROC glGetHandleARB = (glGetHandleARBPROC)((intptr_t)function_pointer);
GLhandleARB __result = glGetHandleARB(pname);
return __result;
}
GLhandleARB P3DShaderLoader::GetProgramHandle
(bool HaveDiffuseTex,
bool HaveNormalMap,
bool TwoSided) const
{
GLhandleARB ProgHandle;
GLhandleARB ShaderHandle;
const GLcharARB *SourceStrings[ShaderSrcHeaderLineCount + 1];
GLint LinkStatus;
bool ShaderOk;
ProgHandle = FindByProps(HaveDiffuseTex,HaveNormalMap,TwoSided);
if (ProgHandle != 0)
{
return(ProgHandle);
}
#ifdef USE_OPENGL_20
ProgHandle = glCreateProgram();
#else
ProgHandle = glCreateProgramObjectARB();
#endif
if (ProgHandle != 0)
{
SourceStrings[0] = HaveDiffuseTex ? ShaderSrcDefineHaveDiffuseTex :
ShaderSrcEmptyLine;
SourceStrings[1] = HaveNormalMap ? ShaderSrcDefineHaveNormalMap :
ShaderSrcEmptyLine;
SourceStrings[2] = TwoSided ? ShaderSrcDefineTwoSided :
ShaderSrcEmptyLine;
SourceStrings[3] = ShaderSrcLineNumberSetup;
ShaderOk = true;
if (VertexProgramSrc != 0)
{
SourceStrings[ShaderSrcHeaderLineCount] = VertexProgramSrc;
#ifdef USE_OPENGL_20
ShaderOk = CompileShaderObject(&ShaderHandle,GL_VERTEX_SHADER,ShaderSrcHeaderLineCount + 1,SourceStrings);
#else
ShaderOk = CompileShaderObject(&ShaderHandle,GL_VERTEX_SHADER_ARB,ShaderSrcHeaderLineCount + 1,SourceStrings);
#endif
if (ShaderOk)
{
#ifdef USE_OPENGL_20
glAttachShader(ProgHandle,ShaderHandle);
glDeleteShader(ShaderHandle);
#else
glAttachObjectARB(ProgHandle,ShaderHandle);
glDeleteObjectARB(ShaderHandle);
#endif
}
}
if (ShaderOk)
{
if (FragmentProgramSrc != 0)
{
SourceStrings[ShaderSrcHeaderLineCount] = FragmentProgramSrc;
#ifdef USE_OPENGL_20
ShaderOk = CompileShaderObject(&ShaderHandle,GL_FRAGMENT_SHADER,ShaderSrcHeaderLineCount + 1,SourceStrings);
#else
ShaderOk = CompileShaderObject(&ShaderHandle,GL_FRAGMENT_SHADER_ARB,ShaderSrcHeaderLineCount + 1,SourceStrings);
#endif
if (ShaderOk)
{
#ifdef USE_OPENGL_20
glAttachShader(ProgHandle,ShaderHandle);
glDeleteShader(ShaderHandle);
#else
glAttachObjectARB(ProgHandle,ShaderHandle);
glDeleteObjectARB(ShaderHandle);
#endif
}
}
}
if (ShaderOk)
{
#ifdef USE_OPENGL_20
glLinkProgram(ProgHandle);
#else
glLinkProgramARB(ProgHandle);
#endif
#ifdef USE_OPENGL_20
glGetProgramiv( ProgHandle,GL_LINK_STATUS,&LinkStatus);
#else
glGetObjectParameterivARB( ProgHandle,
GL_OBJECT_LINK_STATUS_ARB,
&LinkStatus);
#endif
DumpInfoLog(ProgHandle);
if (LinkStatus)
{
GLhandleARB CurrProgHandle;
#ifdef USE_OPENGL_20
glGetIntegerv(GL_CURRENT_PROGRAM,(GLint*)&CurrProgHandle);
#else
CurrProgHandle = glGetHandleARB(GL_PROGRAM_OBJECT_ARB);
#endif
#ifdef USE_OPENGL_20
glUseProgram(ProgHandle);
#else
glUseProgramObjectARB(ProgHandle);
#endif
GLint Location;
#ifdef USE_OPENGL_20
Location = glGetUniformLocation(ProgHandle,"DiffuseTexSampler");
#else
Location = glGetUniformLocationARB(ProgHandle,"DiffuseTexSampler");
#endif
if (Location != -1)
{
#ifdef USE_OPENGL_20
glUniform1i(Location,0);
#else
glUniform1iARB(Location,0);
#endif
}
#ifdef USE_OPENGL_20
Location = glGetUniformLocation(ProgHandle,"NormalMapSampler");
#else
Location = glGetUniformLocationARB(ProgHandle,"NormalMapSampler");
#endif
if (Location != -1)
{
#ifdef USE_OPENGL_20
glUniform1i(Location,1);
#else
glUniform1iARB(Location,1);
#endif
}
#ifdef USE_OPENGL_20
glUseProgram(CurrProgHandle);
#else
glUseProgramObjectARB(CurrProgHandle);
#endif
}
else
{
fprintf(stderr,"error: shader linkage failed\n");
#ifdef USE_OPENGL_20
glDeleteProgram(ProgHandle);
#else
glDeleteObjectARB(ProgHandle);
#endif
ProgHandle = 0;
}
}
else
{
#ifdef USE_OPENGL_20
glDeleteProgram(ProgHandle);
#else
glDeleteObjectARB(ProgHandle);
#endif
ProgHandle = 0;
}
}
else
{
fprintf(stderr,"error: unable to create GLSL program object\n");
}
if (ProgHandle != 0)
{
P3DShaderEntry Entry;
Entry.ProgramHandle = ProgHandle;
Entry.HaveDiffuseTex = HaveDiffuseTex;
Entry.HaveNormalMap = HaveNormalMap;
Entry.TwoSided = TwoSided;
ShaderSet.push_back(Entry);
}
return(ProgHandle);
}
void SoXipCPUMprRender::renderMPR(int texUnit)
{
// If fragment program is present, get available texture stage and
// bind it to "tex" in the FP.
int fp;
glGetIntegerv(GL_CURRENT_PROGRAM, &fp);
if (fp && GLOW_ARB_fragment_shader)
{
GLhandleARB programObject = glGetHandleARB(GL_PROGRAM_OBJECT_ARB);
#ifndef DARWIN
GLint loc = glGetUniformLocation(programObject, "tex");
#else /* DARWIN */
GLint loc = glGetUniformLocationARB(programObject, "tex");
#endif /* DARWIN */
if (loc != -1)
glUniform1i(loc, texUnit);
}
GLboolean depthTestEnabled, texture2DEnabled, lightingEnabled,blendEnabled;
depthTestEnabled = glIsEnabled(GL_DEPTH_TEST);
texture2DEnabled = glIsEnabled(GL_TEXTURE_2D);
lightingEnabled = glIsEnabled(GL_LIGHTING);
blendEnabled = glIsEnabled(GL_BLEND);
glEnable(GL_TEXTURE_2D);
glDisable(GL_DEPTH_TEST);
glDepthMask(false);
glDisable(GL_LIGHTING);
if ( blendOn.getValue() )
glEnable(GL_BLEND);
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
glLoadIdentity();
glMatrixMode(GL_TEXTURE);
glPushMatrix();
glLoadIdentity();
glMatrixMode(GL_PROJECTION);
glPushMatrix();
glLoadIdentity();
glColor3f(1.0f, 1.0f, 1.0f);
// Draw a quad
glBegin(GL_QUADS);
glTexCoord2f(0, 0);
glVertex2f(-1, -1);
glTexCoord2f(1, 0);
glVertex2f(1, -1);
glTexCoord2f(1, 1);
glVertex2f(1, 1);
glTexCoord2f(0, 1);
glVertex2f(-1, 1);
glEnd();
//restore some previous openGL states
depthTestEnabled ? glEnable(GL_DEPTH_TEST) : glDisable(GL_DEPTH_TEST);
texture2DEnabled ? glEnable(GL_TEXTURE_2D) : glDisable(GL_TEXTURE_2D);
lightingEnabled ? glEnable(GL_LIGHTING) : glDisable(GL_LIGHTING);
blendEnabled ? glEnable(GL_BLEND) : glDisable(GL_BLEND);
glPopMatrix();
glMatrixMode(GL_TEXTURE);
glPopMatrix();
glMatrixMode(GL_MODELVIEW);
glPopMatrix();
}
void InitScene (void)
{
GLint params[1];
const char *tab[2];
/*
* GL should silently ignore calls that delete object 0.
*/
begintest (TT_GETERROR_NOERROR, "glDeleteObject(0)");
glDeleteObjectARB (0);
endtest ();
/*
* GL generates an error on invalid object handle.
*/
begintest (TT_GETERROR_INVALIDVALUE, "Pass invalid non-zero object handle");
glDeleteObjectARB (find_invalid_handle ());
endtest ();
glUseProgramObjectARB (find_invalid_handle ());
endtest ();
/*
* Create object. GL should return unique non-zero values.
*/
begintest (TT_PARAM1_NONZERO, "Create object");
vert = glCreateShaderObjectARB (GL_VERTEX_SHADER_ARB);
endtest1 (vert);
frag = glCreateShaderObjectARB (GL_FRAGMENT_SHADER_ARB);
endtest1 (frag);
prog = glCreateProgramObjectARB ();
endtest1 (prog);
endtest1 (vert != frag && frag != prog && prog != vert);
/*
* Link empty program.
*/
begintest (TT_PARAM1_NONZERO, "Link empty program");
glLinkProgramARB (prog);
endtest1 (CheckObjectStatus (prog));
/*
* Use empty program object. Empty program objects are valid.
*/
begintest (TT_GETERROR_NOERROR, "Use empty program object");
glUseProgramObjectARB (prog);
endtest ();
/*
* Attach invalid object handles. Program object 0 should not be accepted.
*/
begintest (TT_GETERROR_INVALIDVALUE, "Attach invalid object handle");
glAttachObjectARB (0, find_invalid_handle ());
endtest ();
glAttachObjectARB (0, frag);
endtest ();
glAttachObjectARB (find_invalid_handle (), find_invalid_handle ());
endtest ();
glAttachObjectARB (find_invalid_handle (), frag);
endtest ();
glAttachObjectARB (prog, find_invalid_handle ());
endtest ();
/*
* Attach valid object handles with wrong semantics.
*/
begintest (TT_GETERROR_INVALIDOPERATION, "Attach object badly");
glAttachObjectARB (vert, frag);
endtest ();
glAttachObjectARB (vert, prog);
endtest ();
glAttachObjectARB (prog, prog);
endtest ();
/*
* Detach non-attached object.
*/
begintest (TT_GETERROR_INVALIDOPERATION, "Detach non-attached object");
glDetachObjectARB (prog, vert);
endtest ();
glDetachObjectARB (prog, frag);
endtest ();
/*
* Attach shader.
*/
begintest (TT_GETERROR_NOERROR, "Attach shader to program object");
glAttachObjectARB (prog, vert);
endtest ();
glAttachObjectARB (prog, frag);
endtest ();
/*
* Attach object twice.
*/
begintest (TT_GETERROR_INVALIDOPERATION, "Attach object twice");
glAttachObjectARB (prog, vert);
endtest ();
glAttachObjectARB (prog, frag);
endtest ();
/*
* Detach attached object.
*/
begintest (TT_GETERROR_NOERROR, "Detach attached object");
glDetachObjectARB (prog, vert);
endtest ();
glDetachObjectARB (prog, frag);
endtest ();
/*
* Attach shader again.
*/
begintest (TT_GETERROR_NOERROR, "Attach shader again");
glAttachObjectARB (prog, vert);
endtest ();
glAttachObjectARB (prog, frag);
endtest ();
/*
* Delete attached object.
*/
begintest (TT_GETERROR_NOERROR, "Delete attached object");
glDeleteObjectARB (vert);
endtest ();
glDeleteObjectARB (frag);
endtest ();
/*
* Query delete status. It should return TRUE. Object handles are still valid
* as they are referenced by program object container.
*/
begintest (TT_PARAM1_NONZERO, "Query delete status");
glGetObjectParameterivARB (vert, GL_OBJECT_DELETE_STATUS_ARB, params);
endtest1 (params[0]);
glGetObjectParameterivARB (frag, GL_OBJECT_DELETE_STATUS_ARB, params);
endtest1 (params[0]);
/*
* Delete already deleted attached object. The behaviour is undefined, but we
* check for no errors. The object still exists, so the handle value is okay.
* In other words, these calls should be silently ignored by GL.
*/
begintest (TT_GETERROR_NOERROR, "Delete already deleted attached object");
glDeleteObjectARB (vert);
endtest ();
glDeleteObjectARB (frag);
endtest ();
/*
* Compile shader source with syntax error.
*/
begintest (TT_PARAM1_ZERO, "Compile shader source with syntax error");
glShaderSourceARB (vert, 1, &invsynvertsrc, NULL);
glCompileShaderARB (vert);
endtest1 (CheckObjectStatus (vert));
glShaderSourceARB (frag, 1, &invsynfragsrc, NULL);
glCompileShaderARB (frag);
endtest1 (CheckObjectStatus (frag));
/*
* Compile shader source with semantic error.
*/
begintest (TT_PARAM1_ZERO, "Compile shader source with semantic error");
glShaderSourceARB (vert, 1, &invsemvertsrc, NULL);
glCompileShaderARB (vert);
endtest1 (CheckObjectStatus (vert));
glShaderSourceARB (frag, 1, &invsemfragsrc, NULL);
glCompileShaderARB (frag);
endtest1 (CheckObjectStatus (frag));
/*
* Link ill-formed vertex-fragment program.
*/
begintest (TT_PARAM1_ZERO, "Link ill-formed vertex-fragment program");
glLinkProgramARB (prog);
endtest1 (CheckObjectStatus (prog));
/*
* Use badly linked program object.
*/
begintest (TT_GETERROR_INVALIDOPERATION, "Use badly linked program object");
glUseProgramObjectARB (prog);
endtest ();
/*
* Compile well-formed shader source. Check if multi-string sources can be handled.
*/
begintest (TT_PARAM1_NONZERO, "Compile well-formed shader source");
tab[0] = uniforms;
tab[1] = validvertsrc;
glShaderSourceARB (vert, 2, tab, NULL);
glCompileShaderARB (vert);
endtest1 (CheckObjectStatus (vert));
tab[0] = uniforms;
tab[1] = validfragsrc;
glShaderSourceARB (frag, 2, tab, NULL);
glCompileShaderARB (frag);
endtest1 (CheckObjectStatus (frag));
/*
* Link vertex-fragment program.
*/
begintest (TT_PARAM1_NONZERO, "Link vertex-fragment program");
glLinkProgramARB (prog);
endtest1 (CheckObjectStatus (prog));
/*
* Use valid linked program object.
*/
begintest (TT_GETERROR_NOERROR, "Use linked program object");
glUseProgramObjectARB (prog);
endtest ();
/*
* Get current program.
*/
begintest (TT_PARAM1_NONZERO, "Get current program");
endtest1 (glGetHandleARB (GL_PROGRAM_OBJECT_ARB) == prog);
/*
* Use 0 program object.
*/
begintest (TT_GETERROR_NOERROR, "Use 0 program object");
glUseProgramObjectARB (0);
endtest ();
/*
* Query uniform location. Uniforms with gl_ prefix cannot be queried.
*/
begintest (TT_PARAM1_NONZERO, "Query uniform location");
endtest1 (glGetUniformLocationARB (prog, "gl_ModelViewMatrix") == -1);
endtest1 (glGetUniformLocationARB (prog, "UniformThatDoesNotExist") == -1);
endtest1 (glGetUniformLocationARB (prog, "") == -1);
endtest1 (glGetUniformLocationARB (prog, "CommonUniform") != -1);
endtest1 (glGetUniformLocationARB (prog, "VertexUniform") != -1);
endtest1 (glGetUniformLocationARB (prog, "FragmentUniform") != -1);
/*
* Query attrib location. Attribs with gl_ prefix cannot be queried.
* When gl_Vertex is used, none of the generic attribs can have index 0.
*/
begintest (TT_PARAM1_NONZERO, "Query attrib location");
endtest1 (glGetAttribLocationARB (prog, "gl_Vertex") == -1);
endtest1 (glGetAttribLocationARB (prog, "AttribThatDoesNotExist") == -1);
endtest1 (glGetAttribLocationARB (prog, "") == -1);
endtest1 (glGetAttribLocationARB (prog, "FirstAttrib") > 0);
endtest1 (glGetAttribLocationARB (prog, "SecondAttrib") > 0);
/*
* Bind attrib locations, link and check if locations are correct.
*/
begintest (TT_PARAM1_NONZERO, "Bind attrib location #1");
glBindAttribLocationARB (prog, 1, "FirstAttrib");
glBindAttribLocationARB (prog, 2, "SecondAttrib");
glLinkProgramARB (prog);
endtest1 (CheckObjectStatus (prog));
endtest1 (glGetAttribLocationARB (prog, "FirstAttrib") == 1);
endtest1 (glGetAttribLocationARB (prog, "SecondAttrib") == 2);
/*
* Bind attrib locations in different order. Link and check if locations are correct.
*/
begintest (TT_PARAM1_NONZERO, "Bind attrib location #2");
glBindAttribLocationARB (prog, 1, "SecondAttrib");
glBindAttribLocationARB (prog, 2, "FirstAttrib");
glLinkProgramARB (prog);
endtest1 (CheckObjectStatus (prog));
endtest1 (glGetAttribLocationARB (prog, "SecondAttrib") == 1);
endtest1 (glGetAttribLocationARB (prog, "FirstAttrib") == 2);
/*
* Detach deleted object.
*/
begintest (TT_GETERROR_NOERROR, "Detach deleted object");
glDetachObjectARB (prog, vert);
endtest ();
glDetachObjectARB (prog, frag);
endtest ();
/*
* Delete deleted detached object.
*/
begintest (TT_GETERROR_INVALIDVALUE, "Delete deleted detached object");
glDeleteObjectARB (vert);
endtest ();
glDeleteObjectARB (frag);
endtest ();
exit (0);
}
GLhandleARB GLSLShader::GetActiveShaderProgram()
{
if (!GLSLIsSupported) return 0;
return glGetHandleARB(GL_PROGRAM_OBJECT_ARB);
}