void Shader::setUniform(const std::string & uniformName, float value)
{
if (m_uniforms_locations.count(uniformName))
{
glProgramUniform1f(m_program_id, m_uniforms_locations[uniformName], value);
}
else
{
if (getUniformLocation(uniformName))
{
glProgramUniform1f(m_program_id, m_uniforms_locations[uniformName], value);
}
}
}
void Material::Bind()
{
glUseProgram(program);
for (std::unordered_map<std::string, Texture2D*>::iterator it = textures.begin(); it != textures.end(); ++it)
{
it->second->Bind();
}
for (std::unordered_map<std::string, ShaderVariable>::iterator it = uniforms.begin(); it != uniforms.end(); ++it)
{
ShaderVariable v = it->second;
switch (v.size)
{
case 1:
glProgramUniform1f(program, v.index, data[v.offset]);
break;
case 2:
glProgramUniform2f(program, v.index, data[v.offset], data[v.offset + 1]);
break;
case 3:
glProgramUniform3f(program, v.index, data[v.offset], data[v.offset + 1], data[v.offset + 2]);
break;
case 4:
glProgramUniform4f(program, v.index, data[v.offset], data[v.offset + 1], data[v.offset + 2], data[v.offset + 3]);
break;
case 16:
glProgramUniformMatrix4fv(program, v.index, 1, GL_TRUE, &data[v.offset]);
break;
}
}
}
void
ShaderProgram::setUniform(const char* param, float val)
{
unsigned int loc = getUniformLocation(param);
// gl_check(glUniform1f(m_programId, loc, val));
gl_check(glProgramUniform1f(m_programId, loc, val));
}
void shader_setfloat(shader_t shader, sparam_t param, float val)
{
if (matching_shader(shader, param)) {
glProgramUniform1f(shader->program, param->param, val);
gl_success("glProgramUniform1f");
}
}
void
VSShaderLib::setUniform(std::string name, float value) {
float val = value;
myUniforms u = pUniforms[name];
glProgramUniform1f(pProgram, u.location, val);
}
void Material::SetFloat(std::string name, float& value)
{
int location = glGetUniformLocation(program, name.c_str());
if (location == -1)
{
//std::cout << "Attempt made to set invalid uniform variable: " << name << std::endl;
}
glProgramUniform1f(program, location, value);
}
void
VSShaderLib::setUniform(std::string name, float value) {
// assert(pUniforms.count(name) != 0);
float val = value;
myUniforms u = pUniforms[name];
glProgramUniform1f(pProgram, u.location, val);
}
//--------------------------------------------------------------------------
void PostProcessor::Draw( const Texture2D& _colorTex,
float _toneExposure,
const RenderTarget& _renderTarget)
{
glUseProgram(toneMapping.program.id);
glProgramUniform1f(toneMapping.program.id, toneMapping.exposureVar, _toneExposure);
_colorTex.Bind(toneMapping.colorTexUnit);
_renderTarget.Draw();
}
void TransitionTriangulation::configurePrograms()
{
glProgramUniform3f (Parameters::getInstance()->g_programs[PROGRAM_TRANSITION_DRAW],
Parameters::getInstance()->g_uniform_locations[LOCATION_TRANSITION_SCENE_SIZE],
Parameters::getInstance()->g_geometry.scale[0], Parameters::getInstance()->g_geometry.scale[1], Parameters::getInstance()->g_geometry.scale[2]);
glProgramUniform2f (Parameters::getInstance()->g_programs[PROGRAM_TRANSITION_DRAW],
Parameters::getInstance()->g_uniform_locations[LOCATION_TRANSITION_VIEWPORT],
Parameters::getInstance()->g_window.width, Parameters::getInstance()->g_window.height);
glProgramUniform1f (Parameters::getInstance()->g_programs[PROGRAM_TRANSITION_DRAW],
Parameters::getInstance()->g_uniform_locations[LOCATION_TRANSITION_TAN_FOVY],
tanf (Parameters::getInstance()->g_camera.fovy / 360.f * 3.14159f));
glProgramUniform1f(Parameters::getInstance()->g_programs[PROGRAM_TRANSITION_DRAW],
Parameters::getInstance()->g_uniform_locations[LOCATION_TRANSITION_SCALE],
Parameters::getInstance()->g_scale);
glProgramUniform1i (Parameters::getInstance()->g_programs[PROGRAM_TRANSITION_DRAW],
Parameters::getInstance()->g_uniform_locations[LOCATION_TRANSITION_DENSITY],
TEXTURE_DENSITY);
glProgramUniform1i (Parameters::getInstance()->g_programs[PROGRAM_TRANSITION_DRAW],
Parameters::getInstance()->g_uniform_locations[LOCATION_TRANSITION_CODE_CLASS_TR],
TEXTURE_CODE_CLASS_TR);
glProgramUniform1i (Parameters::getInstance()->g_programs[PROGRAM_TRANSITION_DRAW],
Parameters::getInstance()->g_uniform_locations[LOCATION_TRANSITION_CODE_VERTICES_TR],
TEXTURE_CODE_VERTICES_TR);
glProgramUniform1i (Parameters::getInstance()->g_programs[PROGRAM_TRANSITION_DRAW],
Parameters::getInstance()->g_uniform_locations[LOCATION_TRANSITION_CLASS_TRIANGLES_TR],
TEXTURE_CLASS_TRIANGLES_TR);
glProgramUniform1i (Parameters::getInstance()->g_programs[PROGRAM_TRANSITION_DRAW],
Parameters::getInstance()->g_uniform_locations[LOCATION_TRANSITION_TESSEL],
(int)Parameters::getInstance()->g_tessel);
glProgramUniform1f(Parameters::getInstance()->g_programs[PROGRAM_TRANSITION_DRAW],
Parameters::getInstance()->g_uniform_locations[LOCATION_TRANSITION_ISOSURFACE],
0);//Parameters::getInstance()->g_isosurface);
glProgramUniform1i (Parameters::getInstance()->g_programs[PROGRAM_TRANSITION_DRAW],
Parameters::getInstance()->g_uniform_locations[LOCATION_TRANSITION_FROMTEXTURE],
1);//Parameters::getInstance()->g_fromtexture);
glProgramUniform1i (Parameters::getInstance()->g_programs[PROGRAM_TRANSITION_DRAW],
Parameters::getInstance()->g_uniform_locations[LOCATION_TRANSITION_METRIC],
0);//Parameters::getInstance()->g_radial_length);
glProgramUniform1f(Parameters::getInstance()->g_programs[PROGRAM_TRANSITION_DRAW],
Parameters::getInstance()->g_uniform_locations[LOCATION_TRANSITION_TIME],
Parameters::getInstance()->g_time_elapsed);
}
//[-------------------------------------------------------]
//[ Public virtual Renderer::IProgram methods ]
//[-------------------------------------------------------]
void ProgramMonolithicDsa::setUniform1f(handle uniformHandle, float value)
{
if (static_cast<OpenGLRenderer&>(getRenderer()).getExtensions().isGL_ARB_direct_state_access())
{
glProgramUniform1f(mOpenGLProgram, static_cast<GLint>(uniformHandle), value);
}
else
{
glProgramUniform1fEXT(mOpenGLProgram, static_cast<GLint>(uniformHandle), value);
}
}
//[-------------------------------------------------------]
//[ Public virtual Renderer::IProgram methods ]
//[-------------------------------------------------------]
void ProgramSeparateDsa::setUniform1f(handle uniformHandle, float value)
{
if (static_cast<OpenGLRenderer&>(getRenderer()).getExtensions().isGL_ARB_direct_state_access())
{
glProgramUniform1f(mVertexShaderSeparate->getOpenGLShaderProgram(), static_cast<GLint>(uniformHandle), value);
}
else
{
glProgramUniform1fEXT(mVertexShaderSeparate->getOpenGLShaderProgram(), static_cast<GLint>(uniformHandle), value);
}
}
void draw(GLuint program, GLfloat* triangle, GLuint vertexbuffer) {
glUseProgram(program);
GLuint scaleID = glGetUniformLocation(program, "scale");
glBufferData(GL_ARRAY_BUFFER, NUMBER_OF_VERTEX * sizeof(triangle), triangle, GL_STATIC_DRAW);
glBindBuffer(GL_ARRAY_BUFFER, vertexbuffer);
glProgramUniform1f(program, scaleID, scale);
glDrawArrays(GL_TRIANGLES, 0, 3);
}
void Shader::SendFloat(int location, float value) const
{
if (location == -1)
return;
if (glProgramUniform1f)
glProgramUniform1f(m_program, location, value);
else
{
OpenGL::BindProgram(m_program);
glUniform1f(location, value);
}
}
void
program::set_uniform1f(char const* varname, GLfloat v0) const
{
GLint location = get_uniform_location(varname);
if (location >= 0)
{
#if GPUCAST_GL_DIRECT_STATE_ACCESS
glProgramUniform1f(id_, location, v0);
#else
glUniform1f(location, v0);
#endif
}
}
void RenderCB(GlRunner *runner)
{
glClearColor(0.2, 0.1, 0.2, 0.0);
glClearDepthf(1.0);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
clock_t current_time = clock();
float delta = 0.00001*(current_time-start_time);
glProgramUniform1f(VS, glGetUniformLocation(VS, "uTime"), delta);
glProgramUniform4f(FS, glGetUniformLocation(FS, "uColor"), 1.0, 0.0, 0.0, 0.0);
glDrawArrays(GL_POINTS, 0, xmesh*ymesh);
glProgramUniform4f(FS, glGetUniformLocation(FS, "uColor"), 1.0, 1.0, 0.0, 0.0);
glDrawElements(GL_TRIANGLE_STRIP, xmesh*(ymesh-1)*2, GL_UNSIGNED_INT, (void*)0);
}
GLUniform::GLUniform(const char* name, GLuint program, int size, const char* type) : GLNode(name)
{
this->location = glGetUniformLocation(program, name);
if(size == 1 && std::string(type) == std::string("i") )
glProgramUniform1i(program, this->location, 0);
else if(size == 1 && std::string(type) == std::string("f") )
glProgramUniform1f(program, this->location, 0);
else if(size == 2 && std::string(type) == std::string("f") )
glProgramUniform2f(program, this->location, 0, 0);
else if(size == 3 && std::string(type) == std::string("f") )
glProgramUniform3f(program, this->location, 0, 0, 0);
else if(size == 3 && std::string(type) == std::string("f") )
glProgramUniform3f(program, this->location, 0, 0, 0);
else if(size == 4 && std::string(type) == std::string("f") )
glProgramUniform4f(program, this->location, 0, 0, 0, 0);
this->id = UINT_MAX;
}
void renderVis(double peak)
{
double transition = 0.0;
time++;
totaltime++;
if(time > SHADER_TIME){
active++;
if(active == SHADER_AMOUNT){
active = 0;
}
time = 0;
}
if(time <= TRANSITION_TIME){
transition = 1.0 - time / TRANSITION_TIME;
int prev = active > 0 ? active - 1 : SHADER_AMOUNT - 1;
glUseProgram(progs[prev].program);
glClearColor(0, 0, 0, 1);
glClear(GL_COLOR_BUFFER_BIT);
glProgramUniform1f(progs[prev].program, progs[prev].peak, peak);
glProgramUniform1f(progs[prev].program, progs[prev].transition, 0);
glProgramUniform1f(progs[prev].program, progs[prev].time, totaltime);
glProgramUniform2f(progs[prev].program, progs[prev].size, width, height);
glProgramUniform1i(progs[prev].program, progs[prev].texture, 0);
glBindVertexArray(vao);
glDrawArrays(GL_TRIANGLES, 0, 6);
glBindVertexArray(0);
glCopyTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, 0, 0, width, height, 0);
glUseProgram(progs[active].program);
glProgramUniform1i(progs[active].program, progs[active].texture, 0);
}
glClearColor(0, 0, 0, 1);
glClear(GL_COLOR_BUFFER_BIT);
glProgramUniform1f(progs[active].program, progs[active].peak, peak);
glProgramUniform1f(progs[active].program, progs[active].transition, transition);
glProgramUniform1f(progs[active].program, progs[active].time, totaltime);
glProgramUniform2f(progs[active].program, progs[active].size, width, height);
glBindVertexArray(vao);
glDrawArrays(GL_TRIANGLES, 0, 6);
glBindVertexArray(0);
}
void pass(int width, int height, PassType type)
{
glClear(GL_DEPTH_BUFFER_BIT);
glClear(GL_COLOR_BUFFER_BIT);
glProgramUniform1f(gs.program, COLOR, gs.color);
//gs.lightPosition = glm::vec3(sin(gs.time / 10) * 1.5, cos(gs.time / 10) * 1.5, 3.5);
glProgramUniform3fv(gs.program, LIGHT, 1, &gs.lightPosition[0]);
switch (type)
{
case PassType::light:
{
glm::mat4 perspective = glm::perspective(45.0, (double)width / (double)height, 1.0, 100.0);
glm::mat4 lookAt = glm::lookAt(gs.lightPosition, glm::vec3(0, 0, 0), glm::vec3(0, 0, 1));
gs.mat = perspective*lookAt;
gs.matLight = gs.mat;
break;
}
default:
case PassType::mainCamera:
{
glm::mat4 perspective = glm::perspective(45.0, (double)width / (double)height, 1.0, 100.0);
//glm::mat4 lookAt = glm::lookAt(glm::vec3(3.5, 3.5, 2.5), glm::vec3(0, 0, 0), glm::vec3(0, 0, 1));
glm::mat4 lookAt = glm::lookAt(glm::vec3(sin(gs.time / 10)*5.0, cos(gs.time / 10)*5.0, 1.5), glm::vec3(0, 0, 0), glm::vec3(0, 0, 1));
gs.mat = perspective*lookAt;
break;
}
}
glProgramUniformMatrix4fv(gs.program, MATRIX, 1, false, &gs.mat[0][0]);
glProgramUniformMatrix4fv(gs.program, MATRIXLIGHT, 1, false, &gs.matLight[0][0]);
glUseProgram(gs.program);
glBindVertexArray(gs.vao);
{
glDrawArrays(GL_TRIANGLES, 0, gs.bufferSize);
}
glBindVertexArray(0);
glUseProgram(0);
}
void ShaderProgram::setUniform(const std::string& name, float value)
{
if(!ext::separateShaderObjects()) //If we can't do uniforms without binding
{
//Get the currently-bound program and bind this program
auto previous = getBound();
bind();
//Set the uniform
glCheck(glUniform1f(uniformLocation(name), value));
//Set the previous program back
glCheck(glUseProgram(previous));
}
else //If we can do uniforms without binding
{
//Set the uniform with this program
glCheck(glProgramUniform1f(program_, uniformLocation(name), value));
}
}
void RenderCB(GlRunner *runner)
{
glClearColor(0.0, 0.0, 0.0, 1.0);
glClearDepthf(1.0);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
// fix point light location, and move ground instead
model_mat = glm::translate(glm::vec3(roam_x, roam_y, roam_z));
glProgramUniformMatrix4fv(VS, glGetUniformLocation(VS, "uModel"), 1, GL_FALSE, &model_mat[0][0]);
glProgramUniformMatrix4fv(VS, glGetUniformLocation(VS, "uView"), 1, GL_FALSE, &view_mat[0][0]);
glProgramUniformMatrix4fv(VS, glGetUniformLocation(VS, "uProj"), 1, GL_FALSE, &proj_mat[0][0]);
glProgramUniform3fv(FS, glGetUniformLocation(FS, "uLightLoc"), 1, &light_loc[0]);
glProgramUniform3fv(FS, glGetUniformLocation(FS, "uAntenna"), 1, &light_antenna[0]);
glProgramUniform1f(FS, glGetUniformLocation(FS, "uRadians"), 3.1415926/6.0);
glDrawArrays(GL_TRIANGLES, 0, 6);
}
void ParticleSystem::loadShaders()
{
if (m_updateProg) {
glDeleteProgram(m_updateProg);
m_updateProg = 0;
}
glGenProgramPipelines( 1, &m_programPipeline);
std::string src = loadShaderSourceWithUniformTag("shaders/uniforms.h", "shaders/particlesCS.glsl");
m_updateProg = createShaderPipelineProgram(GL_COMPUTE_SHADER, src.c_str());
glBindProgramPipeline(m_programPipeline);
GLint loc = glGetUniformLocation(m_updateProg, "invNoiseSize");
glProgramUniform1f(m_updateProg, loc, 1.0f / m_noiseSize);
loc = glGetUniformLocation(m_updateProg, "noiseTex3D");
glProgramUniform1i(m_updateProg, loc, 0);
glBindProgramPipeline(0);
}
void ParticleSystem::update(float timeDelta)
{
static bool updated = false;
if (!updated)
{
LOGI("ParticleSystem: First Update Time: %f", timeDelta);
updated = true;
}
m_mcpolygonizer->generateMesh(m_pos, m_vel, timeDelta);
// Invoke the compute shader to integrate the particles
glBindProgramPipeline(m_programPipeline);
glBindBufferBase( GL_SHADER_STORAGE_BUFFER, 1, m_pos->getBuffer() );
glBindBufferBase( GL_SHADER_STORAGE_BUFFER, 2, m_vel->getBuffer() );
// Update the timestep in the shaders
GLuint loc = glGetUniformLocation(m_updateProg, "timeStep");
glProgramUniform1f(m_updateProg, loc, timeDelta);
uint xGroups = (m_size + (WORK_GROUP_SIZE - 1)) / WORK_GROUP_SIZE;
glDispatchCompute(xGroups, 1, 1);
// We need to block here on compute completion to ensure that the
// computation is done before we render
glMemoryBarrier( GL_SHADER_STORAGE_BARRIER_BIT );
glBindBufferBase( GL_SHADER_STORAGE_BUFFER, 2, 0 );
glBindBufferBase( GL_SHADER_STORAGE_BUFFER, 1, 0 );
// Update the timestep in the shaders
//GLuint loc = glGetUniformLocation(m_updateProg, "timeStep");
//glProgramUniform1f(m_updateProg, loc, timeDelta);
glBindProgramPipeline(0);
}
GLuint
OpenSubdivPtexShader::bindProgram(const MHWRender::MDrawContext & mDrawContext,
OpenSubdiv::OsdGLDrawContext *osdDrawContext,
const OpenSubdiv::OsdPatchArray & patch)
{
CHECK_GL_ERROR("bindProgram begin\n");
// Build shader
Effect effect;
effect.color = _enableColor;
effect.occlusion = _enableOcclusion;
effect.displacement = _enableDisplacement;
effect.normal = _enableNormal;
EffectDesc effectDesc( patch.desc, effect );
EffectDrawRegistry::ConfigType *
config = effectRegistry.GetDrawConfig(effectDesc);
// Install shader
GLuint program = config->program;
glUseProgram(program);
// Update and bind transform state
struct Transform {
float ModelViewMatrix[16];
float ProjectionMatrix[16];
float ModelViewProjectionMatrix[16];
} transformData;
setMatrix(mDrawContext.getMatrix(MHWRender::MDrawContext::kWorldViewMtx),
transformData.ModelViewMatrix);
setMatrix(mDrawContext.getMatrix(MHWRender::MDrawContext::kProjectionMtx),
transformData.ProjectionMatrix);
setMatrix(mDrawContext.getMatrix(MHWRender::MDrawContext::kWorldViewProjMtx),
transformData.ModelViewProjectionMatrix);
if (!g_transformUB) {
glGenBuffers(1, &g_transformUB);
glBindBuffer(GL_UNIFORM_BUFFER, g_transformUB);
glBufferData(GL_UNIFORM_BUFFER,
sizeof(transformData), NULL, GL_STATIC_DRAW);
};
glBindBuffer(GL_UNIFORM_BUFFER, g_transformUB);
glBufferSubData(GL_UNIFORM_BUFFER,
0, sizeof(transformData), &transformData);
glBindBuffer(GL_UNIFORM_BUFFER, 0);
glBindBufferBase(GL_UNIFORM_BUFFER, g_transformBinding, g_transformUB);
// Update and bind tessellation state
struct Tessellation {
float TessLevel;
int GregoryQuadOffsetBase;
int PrimitiveIdBase;
} tessellationData;
tessellationData.TessLevel = static_cast<float>(1 << _tessFactor);
tessellationData.GregoryQuadOffsetBase = patch.GetQuadOffsetBase;
tessellationData.PrimitiveIdBase = patch.GetPatchIndex();;
if (!g_tessellationUB) {
glGenBuffers(1, &g_tessellationUB);
glBindBuffer(GL_UNIFORM_BUFFER, g_tessellationUB);
glBufferData(GL_UNIFORM_BUFFER,
sizeof(tessellationData), NULL, GL_STATIC_DRAW);
};
glBindBuffer(GL_UNIFORM_BUFFER, g_tessellationUB);
glBufferSubData(GL_UNIFORM_BUFFER,
0, sizeof(tessellationData), &tessellationData);
glBindBuffer(GL_UNIFORM_BUFFER, 0);
glBindBufferBase(GL_UNIFORM_BUFFER,
g_tessellationBinding,
g_tessellationUB);
#ifdef USE_NON_IMAGE_BASED_LIGHTING
// Update and bind lighting state
int numLights = mDrawContext.numberOfActiveLights();
struct Lighting {
struct Light {
float position[4];
float diffuse[4];
float ambient[4];
float specular[4];
} lightSource[2];
} lightingData;
memset(&lightingData, 0, sizeof(lightingData));
for (int i = 0; i < numLights && i < 1; ++i) {
MFloatPointArray positions;
MFloatVector direction;
float intensity;
MColor color;
bool hasDirection, hasPosition;
mDrawContext.getLightInformation(i, positions, direction, intensity,
color, hasDirection, hasPosition);
Lighting::Light &light = lightingData.lightSource[i];
if (hasDirection) {
light.position[0] = -direction[0];
light.position[1] = -direction[1];
light.position[2] = -direction[2];
for (int j = 0; j < 4; ++j) {
light.diffuse[j] = color[j] * intensity;
light.ambient[j] = color[j] * intensity;
light.specular[j] = color[j] * intensity;
}
}
}
if (!g_lightingUB) {
glGenBuffers(1, &g_lightingUB);
glBindBuffer(GL_UNIFORM_BUFFER, g_lightingUB);
glBufferData(GL_UNIFORM_BUFFER,
sizeof(lightingData), NULL, GL_STATIC_DRAW);
};
glBindBuffer(GL_UNIFORM_BUFFER, g_lightingUB);
glBufferSubData(GL_UNIFORM_BUFFER,
0, sizeof(lightingData), &lightingData);
glBindBuffer(GL_UNIFORM_BUFFER, 0);
glBindBufferBase(GL_UNIFORM_BUFFER, g_lightingBinding, g_lightingUB);
#endif
GLint eye = glGetUniformLocation(program, "eyePositionInWorld");
MPoint e = MPoint(0, 0, 0) *
mDrawContext.getMatrix(MHWRender::MDrawContext::kWorldViewInverseMtx);
glProgramUniform3f(program, eye,
static_cast<float>(e.x),
static_cast<float>(e.y),
static_cast<float>(e.z));
// update other uniforms
float color[4] = { 0, 0, 0, 1 };
_diffuse.get(color);
glProgramUniform4fv(program,
glGetUniformLocation(program, "diffuseColor"),
1, color);
_ambient.get(color);
glProgramUniform4fv(program,
glGetUniformLocation(program, "ambientColor"),
1, color);
_specular.get(color);
glProgramUniform4fv(program,
glGetUniformLocation(program, "specularColor"),
1, color);
glProgramUniform1f(program,
glGetUniformLocation(program, "fresnelBias"),
_fresnelBias);
glProgramUniform1f(program,
glGetUniformLocation(program, "fresnelScale"),
_fresnelScale);
glProgramUniform1f(program,
glGetUniformLocation(program, "fresnelPower"),
_fresnelPower);
// Ptex bindings
// color ptex
if (effectRegistry.getPtexColorValid()) {
GLint texData = glGetUniformLocation(program, "textureImage_Data");
glProgramUniform1i(program, texData, CLR_TEXTURE_UNIT + 0);
GLint texPacking = glGetUniformLocation(program, "textureImage_Packing");
glProgramUniform1i(program, texPacking, CLR_TEXTURE_UNIT + 1);
GLint texPages = glGetUniformLocation(program, "textureImage_Pages");
glProgramUniform1i(program, texPages, CLR_TEXTURE_UNIT + 2);
}
// displacement ptex
if (effectRegistry.getPtexDisplacementValid()) {
GLint texData = glGetUniformLocation(program, "textureDisplace_Data");
glProgramUniform1i(program, texData, DISP_TEXTURE_UNIT + 0);
GLint texPacking = glGetUniformLocation(program, "textureDisplace_Packing");
glProgramUniform1i(program, texPacking, DISP_TEXTURE_UNIT + 1);
GLint texPages = glGetUniformLocation(program, "textureDisplace_Pages");
glProgramUniform1i(program, texPages, DISP_TEXTURE_UNIT + 2);
}
// occlusion ptex
if (effectRegistry.getPtexOcclusionValid()) {
GLint texData = glGetUniformLocation(program, "textureOcclusion_Data");
glProgramUniform1i(program, texData, OCC_TEXTURE_UNIT + 0);
GLint texPacking = glGetUniformLocation(program, "textureOcclusion_Packing");
glProgramUniform1i(program, texPacking, OCC_TEXTURE_UNIT + 1);
GLint texPages = glGetUniformLocation(program, "textureOcclusion_Pages");
glProgramUniform1i(program, texPages, OCC_TEXTURE_UNIT + 2);
}
// diffuse environment map
if (effectRegistry.getDiffuseEnvironmentId() != 0) {
GLint difmap = glGetUniformLocation(program, "diffuseEnvironmentMap");
glProgramUniform1i(program, difmap, DIFF_TEXTURE_UNIT);
}
// specular environment map
if (effectRegistry.getSpecularEnvironmentId() != 0) {
GLint envmap = glGetUniformLocation(program, "specularEnvironmentMap");
glProgramUniform1i(program, envmap, ENV_TEXTURE_UNIT);
}
glActiveTexture(GL_TEXTURE0);
CHECK_GL_ERROR("bindProgram leave\n");
return program;
}
void Shader::uniform1f(GLint location, float f) const
{
glProgramUniform1f(id_, location, f);
}
void Shader::uniform1i(GLint location, int i) const
{
glProgramUniform1f(id_, location, i);
}
void Variable::set(const float& value)
{
glProgramUniform1f(program, location, value);
}
// #### bindProgram
//
// Do all the work to build and install shader including
// set up buffer blocks for uniform variables, set up
// default lighting parameters, pass material uniforms
// and bind texture buffers used by texture maps and by
// OpenSubdiv's built-in shading code.
//
GLuint
OpenSubdivShader::bindProgram(const MHWRender::MDrawContext & mDrawContext,
OpenSubdiv::OsdGLDrawContext *osdDrawContext,
const OpenSubdiv::OsdDrawContext::PatchArray & patch)
{
CHECK_GL_ERROR("bindProgram begin\n");
// Primitives are triangles for Loop subdivision, quads otherwise
Effect effect = kFill;
EffectDesc effectDesc( patch.GetDescriptor(), effect );
// Build shader
EffectDrawRegistry::ConfigType *
config = g_effectRegistry.GetDrawConfig(effectDesc);
// Install shader
GLuint program = config->program;
glUseProgram(program);
// Update and bind transform state
struct Transform {
float ModelViewMatrix[16];
float ProjectionMatrix[16];
float ModelViewProjectionMatrix[16];
} transformData;
setMatrix(mDrawContext.getMatrix(MHWRender::MDrawContext::kWorldViewMtx),
transformData.ModelViewMatrix);
setMatrix(mDrawContext.getMatrix(MHWRender::MDrawContext::kProjectionMtx),
transformData.ProjectionMatrix);
setMatrix(mDrawContext.getMatrix(MHWRender::MDrawContext::kWorldViewProjMtx),
transformData.ModelViewProjectionMatrix);
if (!g_transformUB) {
glGenBuffers(1, &g_transformUB);
glBindBuffer(GL_UNIFORM_BUFFER, g_transformUB);
glBufferData(GL_UNIFORM_BUFFER,
sizeof(transformData), NULL, GL_STATIC_DRAW);
};
glBindBuffer(GL_UNIFORM_BUFFER, g_transformUB);
glBufferSubData(GL_UNIFORM_BUFFER,
0, sizeof(transformData), &transformData);
glBindBuffer(GL_UNIFORM_BUFFER, 0);
glBindBufferBase(GL_UNIFORM_BUFFER, g_transformBinding, g_transformUB);
// Update and bind tessellation state
struct Tessellation {
float TessLevel;
} tessellationData;
tessellationData.TessLevel = static_cast<float>(1 << _tessFactor);
if (!g_tessellationUB) {
glGenBuffers(1, &g_tessellationUB);
glBindBuffer(GL_UNIFORM_BUFFER, g_tessellationUB);
glBufferData(GL_UNIFORM_BUFFER,
sizeof(tessellationData), NULL, GL_STATIC_DRAW);
};
glBindBuffer(GL_UNIFORM_BUFFER, g_tessellationUB);
glBufferSubData(GL_UNIFORM_BUFFER,
0, sizeof(tessellationData), &tessellationData);
glBindBuffer(GL_UNIFORM_BUFFER, 0);
glBindBufferBase(GL_UNIFORM_BUFFER,
g_tessellationBinding,
g_tessellationUB);
// Update and bind lighting state
int numLights = mDrawContext.numberOfActiveLights();
struct Lighting {
struct Light {
float position[4];
float diffuse[4];
float ambient[4];
float specular[4];
} lightSource[2];
} lightingData;
memset(&lightingData, 0, sizeof(lightingData));
for (int i = 0; i < numLights && i < 2; ++i) {
MFloatPointArray positions;
MFloatVector direction;
float intensity;
MColor color;
bool hasDirection, hasPosition;
mDrawContext.getLightInformation(i, positions, direction, intensity,
color, hasDirection, hasPosition);
MMatrix modelView = mDrawContext.getMatrix(MHWRender::MDrawContext::kWorldViewMtx);
direction = MVector(direction) * modelView;
Lighting::Light &light = lightingData.lightSource[i];
if (hasDirection) {
light.position[0] = -direction[0];
light.position[1] = -direction[1];
light.position[2] = -direction[2];
for (int j = 0; j < 4; ++j) {
light.diffuse[j] = color[j] * intensity;
light.ambient[j] = color[j] * intensity;
light.specular[j] = color[j] * intensity;
}
}
}
if (!g_lightingUB) {
glGenBuffers(1, &g_lightingUB);
glBindBuffer(GL_UNIFORM_BUFFER, g_lightingUB);
glBufferData(GL_UNIFORM_BUFFER,
sizeof(lightingData), NULL, GL_STATIC_DRAW);
};
glBindBuffer(GL_UNIFORM_BUFFER, g_lightingUB);
glBufferSubData(GL_UNIFORM_BUFFER,
0, sizeof(lightingData), &lightingData);
glBindBuffer(GL_UNIFORM_BUFFER, 0);
glBindBufferBase(GL_UNIFORM_BUFFER, g_lightingBinding, g_lightingUB);
// Update other uniforms
float color[4] = { 0, 0, 0, 1 };
_diffuse.get(color);
glProgramUniform4fv(program,
glGetUniformLocation(program, "diffuseColor"),
1, color);
_ambient.get(color);
glProgramUniform4fv(program,
glGetUniformLocation(program, "ambientColor"),
1, color);
_specular.get(color);
glProgramUniform4fv(program,
glGetUniformLocation(program, "specularColor"),
1, color);
glProgramUniform1f(program,
glGetUniformLocation(program, "shininess"),
_shininess);
// Bind diffuse map
if (g_effectRegistry.getDiffuseId()!=0) {
GLint difmap = glGetUniformLocation(program, "diffuseMap");
glProgramUniform1i(program, difmap, DIFF_TEXTURE_UNIT);
}
// Bind all texture buffers
// OpenSubdiv's geometric shading code depends on additional
// GL texture buffers. These are managed by the DrawContext
// and must be bound for use by the program in addition to
// any buffers used by the client/application shading code.
if (osdDrawContext->GetVertexTextureBuffer()) {
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_BUFFER,
osdDrawContext->GetVertexTextureBuffer());
}
if (osdDrawContext->GetVertexValenceTextureBuffer()) {
glActiveTexture(GL_TEXTURE1);
glBindTexture(GL_TEXTURE_BUFFER,
osdDrawContext->GetVertexValenceTextureBuffer());
}
if (osdDrawContext->GetQuadOffsetsTextureBuffer()) {
glActiveTexture(GL_TEXTURE2);
glBindTexture(GL_TEXTURE_BUFFER,
osdDrawContext->GetQuadOffsetsTextureBuffer());
}
if (osdDrawContext->GetPatchParamTextureBuffer()) {
glActiveTexture(GL_TEXTURE3);
glBindTexture(GL_TEXTURE_BUFFER,
osdDrawContext->GetPatchParamTextureBuffer());
}
if (osdDrawContext->GetFvarDataTextureBuffer()) {
glActiveTexture(GL_TEXTURE4);
glBindTexture(GL_TEXTURE_BUFFER,
osdDrawContext->GetFvarDataTextureBuffer() );
}
glActiveTexture(GL_TEXTURE0);
CHECK_GL_ERROR("bindProgram leave\n");
return program;
}
void GLSeparableProgram::setUniformFloat( GLint uniformLocation, float x )
{
assert( isValid() );
glProgramUniform1f( id(), uniformLocation, x );
}
JNIEXPORT void JNICALL Java_org_lwjgl_opengl_GL41_nglProgramUniform1f(JNIEnv *env, jclass clazz, jint program, jint location, jfloat v0, jlong function_pointer) {
glProgramUniform1fPROC glProgramUniform1f = (glProgramUniform1fPROC)((intptr_t)function_pointer);
glProgramUniform1f(program, location, v0);
}
void ae3d::Shader::SetFloat( const char* name, float value )
{
glProgramUniform1f( id, uniformLocations[ name ].i, value );
}