void setMultipleThicknessParams( const ThicknessLocations& m_thicknessLocations, bool bOrder, float order, float step,
bool bOneNormal, float* normal, bool bOneColor, ODCOLORREF color )
{
glUniform1i( m_thicknessLocations.u_bOrder, bOrder );
glUniform1f( m_thicknessLocations.u_Step, step );
glUniform1f( m_thicknessLocations.u_Order, order );
glUniform1i( m_thicknessLocations.u_bOneNormal, bOneNormal );
glUniform3f( m_thicknessLocations.u_Normal, normal[0], normal[1], normal[3] );
glUniform1i( m_thicknessLocations.u_bOrder, bOneColor );
float col[4];
col[0] = ODGETRED( color );
col[1] = ODGETGREEN( color );
col[2] = ODGETBLUE( color );
col[3] = ODGETALPHA( color );
glUniform1fv( m_thicknessLocations.u_Color, 4, col );
}
// Set the shader uniforms for the frame
void Lighting::Update_Lights(Camera& camera, const glm::mat4& view) const
{
glUniform4fv(camera.Shader_Location("V_Lights", true), 8, &positions[0][0]);
glUniform3fv(camera.Shader_Location("F_Light_Colors", true), 8, &colors[0][0]);
glm::vec4 world_directions[8];
for (int i = 0; i < number_of_lights; ++i)
{
world_directions[i] = directions[i];
if (directions[i].w < 0.5)
{
world_directions[i] = view * world_directions[i];
}
}
glUniform4fv(camera.Shader_Location("V_Lamp_Directions", true), 8, &world_directions[0][0]);
glUniform1fv(camera.Shader_Location("F_Lamp_Angles", true), 8, &angles[0]);
glUniform3f(camera.Shader_Location("F_Ambient", true), ambient.r, ambient.g, ambient.b);
glUniform1i(camera.Shader_Location("F_Number_Of_Lights", true), number_of_lights);
}
void
SetUniformValues(GLuint program, struct uniform_info uniforms[])
{
GLuint i;
for (i = 0; uniforms[i].name; i++) {
uniforms[i].location
= glGetUniformLocation(program, uniforms[i].name);
switch (uniforms[i].type) {
case GL_INT:
case GL_SAMPLER_1D:
case GL_SAMPLER_2D:
case GL_SAMPLER_3D:
case GL_SAMPLER_CUBE:
case GL_SAMPLER_2D_RECT_ARB:
assert(uniforms[i].value[0] >= 0.0F);
glUniform1i(uniforms[i].location,
(GLint) uniforms[i].value[0]);
break;
case GL_FLOAT:
glUniform1fv(uniforms[i].location, 1, uniforms[i].value);
break;
case GL_FLOAT_VEC2:
glUniform2fv(uniforms[i].location, 1, uniforms[i].value);
break;
case GL_FLOAT_VEC3:
glUniform3fv(uniforms[i].location, 1, uniforms[i].value);
break;
case GL_FLOAT_VEC4:
glUniform4fv(uniforms[i].location, 1, uniforms[i].value);
break;
default:
if (strncmp(uniforms[i].name, "gl_", 3) == 0) {
/* built-in uniform: ignore */
}
else {
fprintf(stderr,
"Unexpected uniform data type in SetUniformValues\n");
abort();
}
}
}
}
//-----------------------------------------------------------------------------
// set shader uniform value to float array
void mgGL33Services::setShaderUniform(
const char* shaderName, // name of shader
const char* varName, // variable name
int count, // size of array
const float* values) // array of floats
{
DWORD value;
if (!m_shaders.lookup(shaderName, value))
throw new mgErrorMsg("glShader", "shaderName", "%s", (const char*) shaderName);
CHECK_THREAD();
mgShaderHandle shader = (mgShaderHandle) value;
GLint index = glGetUniformLocation(shader, (const GLchar*) varName);
if (index == -1)
return; // throw new mgException("setShaderUniform %s.%s not found", (const char*) shaderName, (const char*) varName);
glUniform1fv(index, count, (const GLfloat*) values);
}
void display()
{
glViewport(0, 0, Window.Size.x, Window.Size.y);
//clear back buffer
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
if (Window.WireFrame)
glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
else
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
glBindVertexArray(VertexArrayName);
// Update the transformation matrix
glm::mat4 Projection = glm::perspective(40.0f, 4.0f / 3.0f, 0.1f, 100.0f);
glm::mat4 ViewTranslate = glm::translate(glm::mat4(1.0f), glm::vec3(0.0f, 0.0f, -Window.TranlationCurrent.y-8));
glm::mat4 ViewRotateX = glm::rotate(ViewTranslate, Window.RotationCurrent.y + 45.0f, glm::vec3(1.f, 0.f, 0.f));
glm::mat4 View = glm::rotate(ViewRotateX, Window.RotationCurrent.x + 45.0f, glm::vec3(0.f, 1.f, 0.f));
glm::mat4 Model = glm::mat4(1.0f); // object sapce and world space are the same here
glm::mat4 matMVP = Projection * View * Model;
glm::mat4 matView = View * Model;
glUseProgram(ProgramName);
glUniformMatrix4fv(UniformMVP, 1, GL_FALSE, &matMVP[0][0]);
glUniformMatrix4fv(UniformView, 1, GL_FALSE, &matView[0][0]);
glUniform1fv(UniformWeights, 256, &weights[0]);
glPatchParameteri(GL_PATCH_VERTICES, 16);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, PatchIndicesBufferName);
glDrawElements(GL_PATCHES, PatchIndicesCount, GL_UNSIGNED_INT, 0);
if (Window.DrawInputMesh)
{
glUseProgram(ProgramName2);
glUniformMatrix4fv(UniformMVP2, 1, GL_FALSE, &matMVP[0][0]);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, FaceIndicesBufferName);
glDrawElements(GL_LINES, FaceIndicesCount*2, GL_UNSIGNED_INT, 0);
}
amd::checkError("display");
amd::swapBuffers();
}
void GLWidget3D::paintEvent(QPaintEvent *event) {
// OpenGLで描画
makeCurrent();
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
glUseProgram(renderManager.program);
renderManager.updateShadowMap(this, light_dir, light_mvpMatrix);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glEnable(GL_DEPTH_TEST);
glDisable(GL_TEXTURE_2D);
// Model view projection行列をシェーダに渡す
glUniformMatrix4fv(glGetUniformLocation(renderManager.program, "mvpMatrix"), 1, GL_FALSE, &camera.mvpMatrix[0][0]);
glUniformMatrix4fv(glGetUniformLocation(renderManager.program, "mvMatrix"), 1, GL_FALSE, &camera.mvMatrix[0][0]);
// pass the light direction to the shader
glUniform1fv(glGetUniformLocation(renderManager.program, "lightDir"), 3, &light_dir[0]);
drawScene(0);
// OpenGLの設定を元に戻す
glShadeModel(GL_FLAT);
glDisable(GL_CULL_FACE);
glDisable(GL_DEPTH_TEST);
glDisable(GL_LIGHTING);
glMatrixMode(GL_MODELVIEW);
glPopMatrix();
// QPainterで描画
QPainter painter(this);
painter.setOpacity(0.5);
for (int i = 0; i < parametriclsystem::NUM_LAYERS; ++i) {
painter.drawImage(0, 0, sketch[i]);
}
painter.end();
glEnable(GL_DEPTH_TEST);
}
void aa::uniform_variable::set(aa::vector<float> &v)
{
switch(v.size())
{
case 1:
glUniform1fv(id, 1, v.get_raw_ptr());
break;
case 2:
glUniform2fv(id, 1, v.get_raw_ptr());
break;
case 3:
glUniform3fv(id, 1, v.get_raw_ptr());
break;
case 4:
glUniform4fv(id, 1, v.get_raw_ptr());
break;
//error
}
}
static void
texture_paint(struct ctx *context, GLuint *textures, GLuint nmemb, const struct wlc_geometry *geometry, struct paint *settings)
{
const GLfloat vertices[8] = {
geometry->origin.x + geometry->size.w, geometry->origin.y,
geometry->origin.x, geometry->origin.y,
geometry->origin.x + geometry->size.w, geometry->origin.y + geometry->size.h,
geometry->origin.x, geometry->origin.y + geometry->size.h,
};
const GLfloat coords[8] = {
1, 0,
0, 0,
1, 1,
0, 1
};
set_program(context, settings->program);
if (settings->dim > 0.0f) {
GL_CALL(glUniform1fv(context->program->uniforms[UNIFORM_DIM], 1, &settings->dim));
}
for (GLuint i = 0; i < nmemb; ++i) {
if (!textures[i])
break;
GL_CALL(glActiveTexture(GL_TEXTURE0 + i));
GL_CALL(glBindTexture(GL_TEXTURE_2D, textures[i]));
if (settings->filter || !wlc_size_equals(&context->resolution, &context->mode)) {
GL_CALL(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR));
GL_CALL(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR));
} else {
GL_CALL(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST));
GL_CALL(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST));
}
}
GL_CALL(glVertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE, 0, vertices));
GL_CALL(glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, 0, coords));
GL_CALL(glDrawArrays(GL_TRIANGLE_STRIP, 0, 4));
}
void blur(PHsurface *sources, PHsurface *dests, int count, float offset, Direction dir)
{
GLint loc;
int p;
// set up the filter
glUseProgram(filterProg);
loc = glGetUniformLocation(filterProg, "source");
glUniform1i(loc, 0);
loc = glGetUniformLocation(filterProg, "coefficients");
glUniform1fv(loc, KERNEL_SIZE, kernel);
loc = glGetUniformLocation(filterProg, "offsetx");
glUniform1f(loc, 0);
loc = glGetUniformLocation(filterProg, "offsety");
glUniform1f(loc, 0);
if (dir == HORIZONTAL)
loc = glGetUniformLocation(filterProg, "offsetx");
// perform the blurring
for (p = 0; p < count; p++)
{
float offset2;
if (dir == HORIZONTAL)
offset2 = offset / (float)sources[p].width;
if (dir == VERTICAL)
offset2 = offset / (float)sources[p].height;
glUniform1f(loc, offset2);
phBindSurface(dests + p, false);
GL_Bind(sources[p].texture);
glBegin(GL_QUADS);
glTexCoord2i(0, 0); glVertex2i(-1, -1);
glTexCoord2i(0, 1); glVertex2i(-1, 1);
glTexCoord2i(1, 1); glVertex2i(1, 1);
glTexCoord2i(1, 0); glVertex2i(1, -1);
glEnd();
}
}
XprBool xprGpuProgramUniform1fv(XprGpuProgram* self, XprHashCode hash, size_t count, const float* value)
{
XprGpuProgramUniform* uniform;
XprGpuProgramImpl* impl = (XprGpuProgramImpl*)self;
if(nullptr == self)
return XprFalse;
if(0 == (self->flags & XprGpuProgram_Inited)) {
//xprDbgStr("XprGpuProgram is not inited!\n");
return XprFalse;
}
HASH_FIND_INT(impl->cache, &hash, uniform);
if(nullptr == uniform)
return XprFalse;
glUniform1fv(uniform->loc, count, value);
return XprTrue;
}
int
shader_set_param_float(const struct ShaderParam *p, size_t count, float *f)
{
assert(p != NULL);
assert(f != NULL);
#ifdef DEBUG
if (p->type != GL_FLOAT) {
errf("shader param %s is not of float type", p->name);
return 0;
} else if (count > p->size) {
errf("shader param %s value size too big", p->name);
return 0;
}
#endif
glUniform1fv(p->loc, count, f);
HANDLE_GL_ERROR(p->name);
}
bool SGLShaderProgram::set_uniformv(std::string name,const GLfloat values[],GLsizei cnt)
{
int loc = glGetUniformLocation(ID, name.c_str());
if(loc != -1) switch(cnt)
{
case 1:glUniform1fv(loc, cnt,values);break;
case 2:glUniform2fv(loc, cnt,values);break;
case 3:glUniform3fv(loc, cnt,values);break;
case 4:glUniform4fv(loc, cnt,values);break;
default:
SGLprintError("Ung�ltige Dimension %d f�r die Uniforme %s",cnt,name.c_str());
return false;
}
else
{
SGLprintError("Die Uniforme %s ist nicht verf�gbar",name.c_str());
return false;
}
return SGLSpace::printErrors();
}
void pointLight::passPointLights(int posLocation, int colorLocation, int powerLocation)
{
if(pointLights.size() > 0)
{
std::vector<glm::vec3> positions;
std::vector<glm::vec3> colors;
std::vector<float> powers;
for(int i =0; i< pointLights.size(); i++)
{
positions.push_back(pointLights[i]->getParent()->getTrans()->getPos());
colors.push_back(pointLights[i]->getColor());
powers.push_back(pointLights[i]->getPower());
}
glUniform3fv(posLocation, pointLights.size(), &positions[0][0]);
glUniform3fv(colorLocation, pointLights.size(), &colors[0][0]);
glUniform1fv(powerLocation, pointLights.size(), &powers[0]);
}
}
void Cc3dProgram::passUnifoValueNfv(string unifoName,const GLfloat*array,int arrayLen){
assert(arrayLen>=1&&arrayLen<=4);
switch (arrayLen) {
case 1:
glUniform1fv(m_unifoMap[unifoName],1,array);
break;
case 2:
glUniform2fv(m_unifoMap[unifoName],1,array);
break;
case 3:
glUniform3fv(m_unifoMap[unifoName],1,array);
break;
case 4:
glUniform4fv(m_unifoMap[unifoName],1,array);
break;
default:
assert(false);
break;
}
}
void nuiUniformDesc::Apply() const
{
total++;
// if (!(total % 10000))
// NGL_OUT("Uniform stats: %d on %d applied (%d skipped) %f cache hit\n", applied, total, skipped, (float)skipped/(float)total);
if (!mChanged)
{
skipped++;
return;
}
applied++;
mChanged = false;
switch (mType)
{
case GL_FLOAT: glUniform1fv(mLocation, mCount, mValues.mpFloats); break;
case GL_FLOAT_VEC2: glUniform2fv(mLocation, mCount, mValues.mpFloats); break;
case GL_FLOAT_VEC3: glUniform3fv(mLocation, mCount, mValues.mpFloats); break;
case GL_FLOAT_VEC4: glUniform4fv(mLocation, mCount, mValues.mpFloats); break;
case GL_INT: glUniform1iv(mLocation, mCount, mValues.mpInts); break;
case GL_INT_VEC2: glUniform2iv(mLocation, mCount, mValues.mpInts); break;
case GL_INT_VEC3: glUniform3iv(mLocation, mCount, mValues.mpInts); break;
case GL_INT_VEC4: glUniform4iv(mLocation, mCount, mValues.mpInts); break;
case GL_UNSIGNED_INT: glUniform1iv(mLocation, mCount, mValues.mpInts); break;
case GL_FLOAT_MAT2: glUniformMatrix2fv(mLocation, mCount, GL_FALSE, mValues.mpFloats); break;
case GL_FLOAT_MAT3: glUniformMatrix3fv(mLocation, mCount, GL_FALSE, mValues.mpFloats); break;
case GL_FLOAT_MAT4: glUniformMatrix4fv(mLocation, mCount, GL_FALSE, mValues.mpFloats); break;
case GL_SAMPLER_2D: glUniform1iv(mLocation, mCount, mValues.mpInts); break;
case GL_SAMPLER_CUBE: glUniform1iv(mLocation, mCount, mValues.mpInts); break;
default:
NGL_ASSERT(0);
}
}
void SetupHDRProg()
{
glUseProgram(hdrResolve);
// Set projection matrix
glUniformMatrix4fv(glGetUniformLocation(hdrResolve, "pMatrix"),
1, GL_FALSE, transformPipeline.GetProjectionMatrix());
// Set MVP matrix
glUniformMatrix4fv(glGetUniformLocation(hdrResolve, "mvMatrix"),
1, GL_FALSE, transformPipeline.GetModelViewMatrix());
// Set user controled uniforms
glUniform1fv(glGetUniformLocation(hdrResolve, "exposure"), 1, &exposure);
// Set texture uniforms
glUniform1i(glGetUniformLocation(hdrResolve, "origImage"), 0);
glUniform1i(glGetUniformLocation(hdrResolve, "sampleWeightSampler"), 1);
// Setup MS sepcific uniforms
glUniform1i(glGetUniformLocation(hdrResolve, "sampleCount"), sampleCount);
glUniform1i(glGetUniformLocation(hdrResolve, "useWeightedResolve"), useWeightedResolve);
// Now setup the right textures
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D_MULTISAMPLE, hdrTextures[0]);
// Check if sample weight buffer needs to be updated
if (sampleCount != lastSampleCount)
{
glBindBuffer(GL_TEXTURE_BUFFER_ARB, sampleWeightBuf);
void *data = glMapBufferRange(GL_TEXTURE_BUFFER_ARB, 0, sizeof(float)*8,
(GL_MAP_WRITE_BIT |GL_MAP_INVALIDATE_RANGE_BIT));
memcpy(data, (void*)sampleWeights[sampleCount],sizeof(float)*8);
glUnmapBuffer(GL_TEXTURE_BUFFER_ARB);
lastSampleCount = sampleCount;
}
gltCheckErrors(hdrResolve);
}
void GradientShader::updateUniforms()
{
if (loaded && camSet)
{
glUseProgram(programID);
GLint MVPUniform = glGetUniformLocation(programID, "MVPMatrix");
GLint StopCountUniform = glGetUniformLocation(programID, "stopCount");
GLint ValuesUniform = glGetUniformLocation(programID, "values");
GLint ColorsUniform = glGetUniformLocation(programID, "colors");
GLint stopCount = gradientStops.size();
if (stopCount > 1)
{
qSort(gradientStops.begin(), gradientStops.end(), StopIsLessThan);
GLfloat stopValues[stopCount];
GLfloat colorValues[stopCount*4];
for (int i=0; i<gradientStops.size(); ++i)
{
stopValues[i] = getValueFromStop(gradientStops[i].first);
colorValues[4*i+0] = gradientStops[i].second.red() / 255.0;
colorValues[4*i+1] = gradientStops[i].second.green() / 255.0;
colorValues[4*i+2] = gradientStops[i].second.blue() / 255.0;
colorValues[4*i+3] = gradientStops[i].second.alpha() / 255.0;
}
glUniformMatrix4fv(MVPUniform, 1, GL_FALSE, camera->getMVP());
glUniform1i(StopCountUniform, stopCount);
glUniform1fv(ValuesUniform, stopCount, stopValues);
glUniform4fv(ColorsUniform, stopCount, colorValues);
}
uniformsSet = true;
} else {
uniformsSet = false;
}
}
//-----------------------------------------------------------------------
void GLSLLinkProgram::updatePassIterationUniforms(GpuProgramParametersSharedPtr params)
{
if (params->hasPassIterationNumber())
{
size_t index = params->getPassIterationNumberIndex();
GLUniformReferenceIterator currentUniform = mGLUniformReferences.begin();
GLUniformReferenceIterator endUniform = mGLUniformReferences.end();
// Need to find the uniform that matches the multi pass entry
for (;currentUniform != endUniform; ++currentUniform)
{
// Get the index in the parameter real list
if (index == currentUniform->mConstantDef->physicalIndex)
{
OGRE_CHECK_GL_ERROR(glUniform1fv(currentUniform->mLocation, 1, params->getFloatPointer(index)));
// There will only be one multipass entry
return;
}
}
}
}
void Shader::SendUniform(const Uniform &uniform, void* data, const int32 Handle, const uint32 elementCount)
{
if (Handle>-1 && elementCount>0)
{
switch(uniform.Type)
{
case DataType::Int:
{
GLCHECKER(glUniform1iv(Handle,elementCount,(GLint*)((int32*)data)));
break;
}
case DataType::Float:
{
GLCHECKER(glUniform1fv(Handle,elementCount,(f32*)data));
break;
}
case DataType::Vec2:
{
GLCHECKER(glUniform2fv(Handle,elementCount,(f32*)data));
break;
}
case DataType::Vec3:
{
GLCHECKER(glUniform3fv(Handle,elementCount,(f32*)data));
break;
}
case DataType::Vec4:
{
GLCHECKER(glUniform4fv(Handle,elementCount,(f32*)data));
break;
}
case DataType::Matrix:
{
GLCHECKER(glUniformMatrix4fv(Handle,elementCount,false,(f32*)data));
break;
}
}
}
}
void display() {
glClearColor(0,0,1,0);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glMatrixMode(GL_MODELVIEW);
mat4 mv;
const vec3 center(0.0,0.0,0.0);
if (useGlu) mv = glm::lookAt(eye,center,up);
else {
mv = Transform::lookAt(eye,up);
mv = glm::transpose(mv); // accounting for row major
}
glLoadMatrixf(&mv[0][0]);
// Set Light and Material properties for the teapot
// Lights are transformed by current modelview matrix.
// The shader can't do this globally.
// So we need to do so manually.
transformvec(light_position,light0);
transformvec(light_position1,light1);
glUniform4fv(light0posn,1,light0);
glUniform4fv(light0color,1,light_specular);
glUniform4fv(light1posn,1,light1);
glUniform4fv(light1color,1,light_specular1);
//glUniform4fv(ambient,1,small);
//glUniform4fv(diffuse,1,medium);
glUniform4fv(ambient,1,small);
glUniform4fv(diffuse,1,small);
glUniform4fv(specular,1,one);
glUniform1fv(shininess,1,high);
glUniform1i(islight,true);
glutSolidTeapot(2);
glutSwapBuffers();
}
void GraphicsCore::UpdateBillboardObjectValues(Object3D object)
{
vec3 up(0.0f, 1.0f, 0.0f);
mat4 Projection = glm::perspective(fov, float(windowWidth) / (float)windowHeight, 0.1f, 200.f);
mat4 Model = glm::translate(object.GetWorldPos());
mat4 viewMatrix = mCam.GetRotationMatrix() * glm::lookAt(mEye, mTarget, up);
mat4 ModelView = viewMatrix * Model;
float Size = object.GetSize();;
uint shaderProgHandle = object.GetShaderID();
uint location = glGetUniformLocation(shaderProgHandle, "ProjectionMatrix"); //gets the UniformLocation from shader.vertex
if( location >= 0 ){ glUniformMatrix4fv(location, 1, GL_FALSE, &Projection[0][0]); }
location = glGetUniformLocation(shaderProgHandle, "ModelViewMatrix"); //gets the UniformLocation from shader.vertex
if( location >= 0 ){ glUniformMatrix4fv(location, 1, GL_FALSE, &ModelView[0][0]); }
location = glGetUniformLocation(shaderProgHandle, "Size"); //gets the UniformLocation from shader.vertex
glUniform1fv(location, 1, &Size);
}
void Shader::uniform(GLint i, std::vector<GLfloat> fv)
{
use();
switch(fv.size())
{
case 0:
throw Error::ShaderNoUniforms;
case 1:
glUniform1fv(i, 1, fv.data());
return;
case 2:
glUniform2fv(i, 1, fv.data());
return;
case 3:
glUniform3fv(i, 1, fv.data());
return;
case 4:
glUniform4fv(i, 1, fv.data());
return;
default:
throw Error::ShaderTooMuchUniforms;
}
}
static void
Redisplay(void)
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glUniform1fv(Uniforms[2].location, 1, &Slice);
glPushMatrix();
glRotatef(xRot, 1.0f, 0.0f, 0.0f);
glRotatef(yRot, 0.0f, 1.0f, 0.0f);
glRotatef(zRot, 0.0f, 0.0f, 1.0f);
glBegin(GL_POLYGON);
glTexCoord2f(0, 0); glVertex2f(-2, -2);
glTexCoord2f(1, 0); glVertex2f( 2, -2);
glTexCoord2f(1, 1); glVertex2f( 2, 2);
glTexCoord2f(0, 1); glVertex2f(-2, 2);
glEnd();
glPopMatrix();
glutSwapBuffers();
}
bool ShaderSet::SetUniform(const char* name, int n, const float* v)
{
for (unsigned int i = 0; i < UniformInfo.GetSize(); i++)
if (!strcmp(UniformInfo[i].Name.ToCStr(), name))
{
OVR_ASSERT(UniformInfo[i].Location >= 0);
glUseProgram(Prog);
switch (UniformInfo[i].Type)
{
case 1: glUniform1fv(UniformInfo[i].Location, n, v); break;
case 2: glUniform2fv(UniformInfo[i].Location, n/2, v); break;
case 3: glUniform3fv(UniformInfo[i].Location, n/3, v); break;
case 4: glUniform4fv(UniformInfo[i].Location, n/4, v); break;
case 12: glUniformMatrix3fv(UniformInfo[i].Location, 1, 1, v); break;
case 16: glUniformMatrix4fv(UniformInfo[i].Location, 1, 1, v); break;
default: OVR_ASSERT(0);
}
return 1;
}
OVR_DEBUG_LOG(("Warning: uniform %s not present in selected shader", name));
return 0;
}
void ChOpenGLCloud::Draw(const mat4& projection, const mat4& view) {
if (GLReturnedError("ChOpenGLCloud::Draw - on entry"))
return;
if (this->vertices.size() == 0)
return;
glEnable(GL_DEPTH_TEST);
// compute the mvp matrix and normal matricies
// mat4 mvp = projection * modelview;
// mat3 nm = inverse(transpose(mat3(modelview)));
// Enable the shader
shader->Use();
GLReturnedError("ChOpenGLCloud::Draw - after use");
// Send our common uniforms to the shader
shader->CommonSetup(value_ptr(projection), value_ptr(view));
glUniform4fv(color_handle, 1, glm::value_ptr(color));
glUniform1fv(point_size_handle, 1, &point_size);
GLReturnedError("ChOpenGLCloud::Draw - after common setup");
// Bind and draw! (in this case we draw as triangles)
glBindVertexArray(this->vertex_array_handle);
glBindBuffer(GL_ARRAY_BUFFER, vertex_data_handle);
glBufferData(GL_ARRAY_BUFFER, this->vertices.size() * sizeof(vec3), &this->vertices[0], GL_DYNAMIC_DRAW);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, vertex_element_handle);
glBufferData(GL_ELEMENT_ARRAY_BUFFER, vertex_indices.size() * sizeof(GLuint), &vertex_indices[0], GL_DYNAMIC_DRAW);
glDrawElements(GL_POINTS, (GLsizei)this->vertex_indices.size(), GL_UNSIGNED_INT, (void*)0);
GLReturnedError("ChOpenGLCloud::Draw - after draw");
glBindVertexArray(0);
glBindBuffer(GL_ARRAY_BUFFER, 0);
glUseProgram(0);
if (GLReturnedError("ChOpenGLCloud::Draw - on exit"))
return;
}
bool ShaderOGL::setVertexShaderConstant(uint32_t index, uint32_t size, uint32_t count, const float* value)
{
if (index >= vertexShaderConstantLocations.size()) return false;
RendererOGL::bindProgram(programId);
GLint location = vertexShaderConstantLocations[index];
uint32_t components = size / 4;
switch (components)
{
case 1:
glUniform1fv(location, static_cast<GLsizei>(count), value);
break;
case 2:
glUniform2fv(location, static_cast<GLsizei>(count), value);
break;
case 3:
glUniform3fv(location, static_cast<GLsizei>(count), value);
break;
case 4:
glUniform4fv(location, static_cast<GLsizei>(count), value);
break;
case 9:
glUniformMatrix3fv(location, static_cast<GLsizei>(count), GL_FALSE, value);
break;
case 16:
glUniformMatrix4fv(location, static_cast<GLsizei>(count), GL_FALSE, value);
break;
default:
log("Unsupported uniform size");
return false;
}
return true;
}
void Shader::SendUniform(const Uniform &uniform, const int32 Handle)
{
if (Handle>-1 && uniform.ElementCount>0)
switch(uniform.Type)
{
case DataType::Int:
{
GLCHECKER(glUniform1iv(Handle,uniform.ElementCount,(GLint*)((int32*)&uniform.Value[0])));
break;
}
case DataType::Float:
{
GLCHECKER(glUniform1fv(Handle,uniform.ElementCount,(f32*)&uniform.Value[0]));
break;
}
case DataType::Vec2:
{
GLCHECKER(glUniform2fv(Handle,uniform.ElementCount,(f32*)&uniform.Value[0]));
break;
}
case DataType::Vec3:
{
GLCHECKER(glUniform3fv(Handle,uniform.ElementCount,(f32*)&uniform.Value[0]));
break;
}
case DataType::Vec4:
{
GLCHECKER(glUniform4fv(Handle,uniform.ElementCount,(f32*)&uniform.Value[0]));
break;
}
case DataType::Matrix:
{
GLCHECKER(glUniformMatrix4fv(Handle,uniform.ElementCount,false,(f32*)&uniform.Value[0]));
break;
}
}
}
void Shader::updateShaderParameters(bool forceUpdate) {
for (int i = 0; i < shaderParameters->size(); i++) {
ShaderParameter *parameter = shaderParameters->at(i);
if (parameter->hasValueChanged() || forceUpdate) {
GLuint location = glGetUniformLocation(program, parameter->parameterName.c_str());
if (location != -1) {
switch (parameter->parameterType) {
case PARAMETER_INT:
glUniform1iv(location, parameter->valueSize, (int*) parameter->getValue());
break;
case PARAMETER_FLOAT:
glUniform1fv(location, parameter->valueSize, (float*) parameter->getValue());
break;
case PARAMETER_DOUBLE:
glUniform1dv(location, parameter->valueSize, (double*) parameter->getValue());
break;
case PARAMETER_VECTOR_2:
glUniform2fv(location, parameter->valueSize, (float*) parameter->getValue());
break;
case PARAMETER_VECTOR_3:
glUniform3fv(location, parameter->valueSize, (float*) parameter->getValue());
break;
case PARAMETER_VECTOR_4:
glUniform4fv(location, parameter->valueSize, (float*) parameter->getValue());
break;
case PARAMETER_MATRIX_3:
glUniformMatrix3fv(location, parameter->valueSize, false, (float*) parameter->getValue());
break;
case PARAMETER_MATRIX_4:
glUniformMatrix4fv(location, parameter->valueSize, false, (float*) parameter->getValue());
break;
}
}
}
}
}
void Shader::BindFloat(const std::string &name, int size, int count, const float *value)
{
int id = GetUniformLocation(name);
if (id == -1) return;
switch (size)
{
case 1:
glUniform1fv(id, count, value);
break;
case 2:
glUniform2fv(id, count, value);
break;
case 3:
glUniform3fv(id, count, value);
break;
case 4:
glUniform4fv(id, count, value);
break;
default:
FURYW << "Incorrect unfirom size!";
break;
}
}
void DGLShader::setUniformFloatArray( const char* uniformName, int elementCount, int arrayLength, float* arrayData )
{
GLint uniformLocation = glGetUniformLocation( _programID, uniformName );
if( uniformLocation == -1 )
return;
if( elementCount == 1 )
glUniform1fv( uniformLocation, arrayLength, arrayData );
else if( elementCount == 2 )
glUniform2fv( uniformLocation, arrayLength, arrayData );
else if( elementCount == 3 )
glUniform3fv( uniformLocation, arrayLength, arrayData );
else if( elementCount == 4 )
glUniform4fv( uniformLocation, arrayLength, arrayData );
else return;
}
