| 480 | } |
| 481 | |
| 482 | unsigned OpenGLBuilder::buildProgram(const std::string & clientShaderProgram, bool standaloneShader) |
| 483 | { |
| 484 | const std::string shaderCacheID = m_shaderDesc->getCacheID(); |
| 485 | if(shaderCacheID!=m_shaderCacheID) |
| 486 | { |
| 487 | if(m_fragShader) |
| 488 | { |
| 489 | glDetachShader(m_program, m_fragShader); |
| 490 | glDeleteShader(m_fragShader); |
| 491 | } |
| 492 | |
| 493 | std::ostringstream oss; |
| 494 | oss << getGLSLVersionString() << std::endl |
| 495 | << (!standaloneShader ? m_shaderDesc->getShaderText() : "") << std::endl |
| 496 | << clientShaderProgram << std::endl; |
| 497 | |
| 498 | if(m_verbose) |
| 499 | { |
| 500 | std::cout << "\nGPU Shader Program:\n\n" |
| 501 | << oss.str() |
| 502 | << "\n\n" |
| 503 | << std::flush; |
| 504 | } |
| 505 | |
| 506 | m_fragShader = CompileShaderText(GL_FRAGMENT_SHADER, oss.str().c_str()); |
| 507 | |
| 508 | LinkShaders(m_program, m_fragShader); |
| 509 | m_shaderCacheID = shaderCacheID; |
| 510 | |
| 511 | linkAllUniforms(); |
| 512 | } |
| 513 | |
| 514 | return m_program; |
| 515 | } |
| 516 | |
| 517 | void OpenGLBuilder::useProgram() |
| 518 | { |
no test coverage detected