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  1. #include "PCH.h"
  2. #include "OpenGLWidget.h"
  3. #include <Events/EventManager.h>
  4. #include <Events/SettingsEvent.h>
  5. #include <Logger/Logger.h>
  6.  
  7. using namespace MCRendererEngine;
  8. using namespace std;
  9.  
  10. namespace Widgets
  11. {
  12. 	OpenGLWidget::OpenGLWidget(QWidget* parent)
  13. 		: QGLWidget(parent)
  14. 	{
  15. 		//Register event listener
  16. 		Event::AddListener(this, &OpenGLWidget::OnArnoldResolutionChanged, SettingsEvent::c_iEventType);
  17. 	}
  18.  
  19. 	void OpenGLWidget::initializeGL()
  20. 	{
  21. 		//initializeGLFunctions();
  22. 		glewInit();
  23. 		glEnable(GL_TEXTURE_2D);
  24.  
  25. 		glGenBuffersARB(1, &m_uPBO);
  26. 		glGenTextures(1, &m_uTexture);
  27. 	}
  28.  
  29. 	void OpenGLWidget::paintGL()
  30. 	{	
  31. 		glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
  32. 		glLoadIdentity();
  33.  
  34. 		glBindTexture(GL_TEXTURE_2D, m_uTexture);
  35.  
  36. 		glBegin(GL_QUADS);
  37. 		{
  38. 			glTexCoord2f(0.0f, 0.0f);
  39. 			glVertex2f(0.0f, width());
  40. 			glTexCoord2f(0.0f, m_iArnoldHeight);
  41. 			glVertex2f(0.0f, 0.0f);
  42. 			glTexCoord2f(m_iArnoldWidth, m_iArnoldHeight);
  43. 			glVertex2f(width(), 0.0f);
  44. 			glTexCoord2f(m_iArnoldWidth, 0.0f);
  45. 			glVertex2f(width(), height());
  46. 		}
  47. 		glEnd();
  48. 	}
  49.  
  50. 	void OpenGLWidget::resizeGL(int w, int h)
  51. 	{
  52. 		glViewport(0, 0, (GLint)w, (GLint)h);
  53. 		glMatrixMode(GL_PROJECTION);
  54. 		glLoadIdentity();
  55. 		//glFrustum(-1.0, 1.0, -1.0, 1.0, 5.0, 15.0);
  56. 		glOrtho((GLfloat)0, (GLfloat)w, (GLfloat)0, (GLfloat)h, -1.0, 1.0);
  57. 		glMatrixMode(GL_MODELVIEW);
  58. 	}
  59.  
  60. 	void OpenGLWidget::OnArnoldResolutionChanged(MCRendererEngine::IEventDataPtr p_pEvent)
  61. 	{
  62. 		auto pEvent = static_pointer_cast<SettingsEvent>(p_pEvent);
  63. 		ASSERT(pEvent != nullptr);
  64. 		if (pEvent->GetSettingsName() == SettingsEvent::c_sArnoldResolution)
  65. 		{
  66. 			//We should change texture resolution here
  67. 			//Creates our buffer
  68. 			pEvent->GetParams() >> m_iArnoldWidth;
  69. 			pEvent->GetParams() >> m_iArnoldHeight;
  70.  
  71. 			float* data = new float[m_iArnoldWidth *m_iArnoldHeight * 4];
  72.  
  73. 			for (int i = 0; i < m_iArnoldWidth *m_iArnoldHeight * 4; ++i)
  74. 			{
  75. 				data[i] = 1.0f;
  76. 			}
  77.  
  78. 			//glBindBuffer(GL_PIXEL_UNPACK_BUFFER, m_uPBO);
  79. 			//glBufferData(GL_PIXEL_UNPACK_BUFFER, m_iArnoldWidth * m_iArnoldHeight * 4 * sizeof(float), nullptr, GL_DYNAMIC_DRAW);
  80. 			glBindTexture(GL_TEXTURE_2D, m_uTexture);
  81. 			glTexImage2D(GL_TEXTURE_2D, 0, 3, m_iArnoldWidth, m_iArnoldHeight, 0, GL_RGBA, GL_FLOAT, data);
  82.  
  83. 			int size = 32;
  84. 			float* dataf = new float[size * size * 4];
  85. 			for (int i = 0; i < size * size * 4; ++i)
  86. 			{
  87. 				dataf[i] = 0.6f;
  88. 			}
  89. 			//glBindTexture(GL_TEXTURE_2D, m_uTexture);
  90. 			glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, size, size, GL_RGBA, GL_FLOAT, dataf);
  91. 			glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
  92. 			glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
  93. 		}
  94. 	}
  95.  
  96. 	void OpenGLWidget::RenderBucketSlot(int x, int y, int w, int h, const void* data)
  97. 	{
  98. 		//const AtRGBA* pArnoldPixels = static_cast<const AtRGBA*>(data);
  99. 		/*glBindBuffer(GL_PIXEL_UNPACK_BUFFER, m_uPBO);
  100. 		GLfloat* pPBOData = (GLfloat*)glMapBuffer(GL_PIXEL_UNPACK_BUFFER, GL_WRITE_ONLY);
  101.  
  102. 		if (pPBOData != nullptr)
  103. 		{
  104. 			for (int i = 0; i < h; ++i)
  105. 			{
  106. 				for (int j = 0; j < w; ++j)
  107. 				{
  108. 					const AtRGBA& pixel = pArnoldPixels[i * w + j];
  109. 					pPBOData[((y + i)* m_iArnoldWidth + j + x) * sizeof(float)+0] = pixel.r;
  110. 					pPBOData[((y + i)* m_iArnoldWidth + j + x) * sizeof(float)+1] = pixel.g;
  111. 					pPBOData[((y + i)* m_iArnoldWidth + j + x) * sizeof(float)+2] = pixel.b;
  112. 					pPBOData[((y + i)* m_iArnoldWidth + j + x) * sizeof(float)+3] = pixel.a;
  113. 				}
  114. 			}
  115. 			glUnmapBuffer(GL_PIXEL_UNPACK_BUFFER);
  116. 		}
  117.  
  118. 		//Copy data from PBO to our texture*/
  119. 		/*int size = 64;
  120. 		float* dataf = new float[size * size * 4];
  121. 		for (int i = 0; i < size * size * 4; ++i)
  122. 		{
  123. 			dataf[i] = 0.6f;
  124. 		}
  125. 		glBindTexture(GL_TEXTURE_2D, m_uTexture);
  126. 		glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, size, size, GL_BGRA, GL_FLOAT, dataf);
  127. 		*/
  128. 		//Redraw content
  129. 		updateGL();
  130. 	}
  131. }
Compilation error #stdin compilation error #stdout 0s 0KB
comments (?)
stdin 
Standard input is empty
compilation info 
prog.cpp:1:17: fatal error: PCH.h: No such file or directory
 #include "PCH.h"
                 ^
compilation terminated.
stdout 
Standard output is empty
https://ideone.com/MMDifQ
language:
C++14 (gcc 8.3)
created:
11 years ago
visibility:
public

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