[Libreoffice-commits] core.git: Branch 'feature/chart-opengl' - chart2/Library_chartopengl.mk chart2/source
Peilin Xiao
peilin at multicorewareinc.com
Sun Dec 8 18:51:05 PST 2013
chart2/Library_chartopengl.mk | 2
chart2/source/view/main/DummyXShape.cxx | 69 +
chart2/source/view/main/OpenGLRender.cxx | 929 +++++++++++++++++++++++++
chart2/source/view/main/OpenGLRender.hxx | 209 +++++
chart2/source/view/main/OpenglShapeFactory.cxx | 117 ++-
5 files changed, 1313 insertions(+), 13 deletions(-)
New commits:
commit 57f047bf6314191923e0fca7ea57d9b8bad3a950
Author: Peilin Xiao <peilin at multicorewareinc.com>
Date: Mon Dec 9 03:43:33 2013 +0100
initial work on OpenGL rendering backend
with Linux build fixes and adaption to glm work
Change-Id: I8fc84fd1f6131cd352b97cf5f82309d672e3118c
diff --git a/chart2/Library_chartopengl.mk b/chart2/Library_chartopengl.mk
index f8473eb..220012e 100644
--- a/chart2/Library_chartopengl.mk
+++ b/chart2/Library_chartopengl.mk
@@ -20,6 +20,7 @@ $(eval $(call gb_Library_set_include,chartopengl,\
$(eval $(call gb_Library_use_externals,chartopengl,\
boost_headers \
mdds_headers \
+ glm_headers \
))
$(eval $(call gb_Library_use_sdk_api,chartopengl))
@@ -42,6 +43,7 @@ $(eval $(call gb_Library_add_exception_objects,chartopengl,\
chart2/source/glew/glew \
chart2/source/view/main/OpenglShapeFactory \
chart2/source/view/main/DummyXShape \
+ chart2/source/view/main/OpenGLRender \
))
ifeq ($(strip $(OS)),WNT)
diff --git a/chart2/source/view/main/DummyXShape.cxx b/chart2/source/view/main/DummyXShape.cxx
index b1eb93f..cc2f871 100644
--- a/chart2/source/view/main/DummyXShape.cxx
+++ b/chart2/source/view/main/DummyXShape.cxx
@@ -6,6 +6,15 @@
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
+#include <GL/glew.h>
+#include <stdio.h>
+#include <string>
+#include <vector>
+#include <iostream>
+#include <fstream>
+#include <algorithm>
+#include <stdlib.h>
+#include <string.h>
#include "DummyXShape.hxx"
#include "CommonConverters.hxx"
@@ -14,10 +23,13 @@
#include <vcl/window.hxx>
#include <tools/gen.hxx>
+
#include <algorithm>
using namespace com::sun::star;
+using namespace std;
+
namespace chart {
namespace dummy {
@@ -79,14 +91,14 @@ void DummyXShape::setPropertyValue( const OUString& rName, const uno::Any& rValu
lang::IllegalArgumentException, lang::WrappedTargetException,
uno::RuntimeException)
{
- SAL_DEBUG("DummyXShape::setProperty: " << rName << " " << "Any");
+ SAL_WARN("chart2", "DummyXShape::setProperty: " << rName << " " << "Any");
maProperties[rName] = rValue;
}
uno::Any DummyXShape::getPropertyValue( const OUString& rName )
throw(beans::UnknownPropertyException, lang::WrappedTargetException, uno::RuntimeException)
{
- SAL_DEBUG("DummyXShape::getPropertyValue: " << rName);
+ SAL_WARN("chart2.opengl", "DummyXShape::getPropertyValue: " << rName);
std::map<OUString, uno::Any>::iterator itr = maProperties.find(rName);
if(itr != maProperties.end())
return itr->second;
@@ -488,6 +500,7 @@ bool DummyChart::initWindow()
{
const SystemEnvData* sysData(mpWindow->GetSystemData());
#if defined( WNT )
+
GLWin.hWnd = sysData->hWnd;
#elif defined( UNX )
GLWin.dpy = reinterpret_cast<unx::Display*>(sysData->pDisplay);
@@ -646,6 +659,7 @@ bool DummyChart::initWindow()
++pAttributeTable;
}
+
#endif
#if defined( WNT )
@@ -700,8 +714,10 @@ int oglErrorHandler( unx::Display* /*dpy*/, unx::XErrorEvent* /*evnt*/ )
#endif
+
bool DummyChart::initOpengl()
{
+ SAL_WARN("chart2.opengl", "DummyChart::initOpengl----start");
initWindow();
mpWindow->setPosSizePixel(0,0,0,0);
GLWin.Width = 0;
@@ -743,10 +759,15 @@ bool DummyChart::initOpengl()
0, // Reserved
0, 0, 0 // Layer Masks Ignored
};
+
int WindowPix = ChoosePixelFormat(GLWin.hDC,&PixelFormatFront);
SetPixelFormat(GLWin.hDC,WindowPix,&PixelFormatFront);
GLWin.hRC = wglCreateContext(GLWin.hDC);
wglMakeCurrent(GLWin.hDC,GLWin.hRC);
+//[Mod] GaoWei
+ m_GLRender.InitOpenGL(GLWin.hWnd, GLWin.hDC, GLWin.hRC);
+//[Mod] GaoWei end
+
#elif defined( UNX )
if( !glXMakeCurrent( GLWin.dpy, GLWin.win, GLWin.ctx ) )
{
@@ -797,16 +818,20 @@ bool DummyChart::initOpengl()
}
#endif
+ glEnable(GL_TEXTURE_2D);
glEnable(GL_CULL_FACE);
glCullFace(GL_BACK);
- glClearColor (0, 0, 0, 0);
- glClear(GL_COLOR_BUFFER_BIT);
+ // Enable depth test
+ glEnable(GL_DEPTH_TEST);
+ // Accept fragment if it closer to the camera than the former one
+ glDepthFunc(GL_LESS);
+
#if defined( WNT )
SwapBuffers(GLWin.hDC);
+ glFlush();
#elif defined( UNX )
unx::glXSwapBuffers(GLWin.dpy, GLWin.win);
#endif
-
glEnable(GL_LIGHTING);
GLfloat light_direction[] = { 0.0 , 0.0 , 1.0 };
GLfloat materialDiffuse[] = { 1.0 , 1.0 , 1.0 , 1.0};
@@ -814,13 +839,16 @@ bool DummyChart::initOpengl()
glMaterialfv(GL_FRONT,GL_DIFFUSE,materialDiffuse);
glEnable(GL_LIGHT0);
glEnable(GL_NORMALIZE);
-
+ SAL_WARN("chart2.opengl", "DummyChart::initOpengl----end");
+// mpWindow->Show(1, 1);
return true;
}
+
DummyChart::DummyChart():
mpWindow(new Window(0, WB_NOBORDER|WB_NODIALOGCONTROL))
{
+ SAL_WARN("chart2.opengl", "DummyXShape::DummyChart()-----test: ");
setName("com.sun.star.chart2.shapes");
createGLContext();
}
@@ -836,12 +864,41 @@ void DummyChart::setPosition( const awt::Point& aPosition )
DummyXShape::setPosition(aPosition);
}
+DummyChart::~DummyChart()
+{
+ m_GLRender.Release();
+}
+
void DummyChart::setSize( const awt::Size& aSize )
throw( beans::PropertyVetoException, uno::RuntimeException )
{
+#if 0
DummyXShape::setSize(aSize);
mpWindow->SetSizePixel(Size(aSize.Width, aSize.Height));
pWindow->SetSizePixel(Size(aSize.Width, aSize.Height));
+#else
+
+//[Mod] GaoWei
+ SAL_WARN("chart2.opengl", "DummyChart::setSize()---aSize.Width = " << aSize.Width << ", aSize.Height = " << aSize.Height);
+// DummyXShape::setSize(aSize);
+// mpWindow->SetSizePixel(Size(aSize.Width, aSize.Height));
+// pWindow->SetSizePixel(Size(aSize.Width, aSize.Height));
+ int width = aSize.Width / 10;
+ int height = aSize.Height / 10;
+ width = (width + 3) & ~3;
+ height = (height + 3) & ~3;
+ awt::Size tempSize;
+ tempSize.Width = width;
+ tempSize.Height = height;
+ mpWindow->SetSizePixel(Size(width, height));
+ pWindow->SetSizePixel(Size(width, height));
+ DummyXShape::setSize(tempSize);
+ m_GLRender.SetWidth(width);
+ m_GLRender.SetHeight(height);
+ SAL_WARN("chart2.opengl", "DummyChart::GLRender.Width = " << width << ", GLRender.Height = " << height);
+#endif
+ //[mod] by gaowei end
+
}
}
diff --git a/chart2/source/view/main/OpenGLRender.cxx b/chart2/source/view/main/OpenGLRender.cxx
new file mode 100644
index 0000000..0ce94d5
--- /dev/null
+++ b/chart2/source/view/main/OpenGLRender.cxx
@@ -0,0 +1,929 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#include <GL/glew.h>
+#include <vector>
+#include <iostream>
+#include "OpenGLRender.hxx"
+
+using namespace std;
+
+#define OPENGL_SHADER( ... )# __VA_ARGS__
+
+const char *ColorFragmemtShader = OPENGL_SHADER (
+
+varying vec3 fragmentColor;
+
+void main()
+{
+ gl_FragColor = vec4(fragmentColor, 1);
+}
+
+);
+
+const char *TransformVertexShader = OPENGL_SHADER (
+
+attribute vec3 vertexPosition_modelspace;
+attribute vec3 vertexColor;
+varying vec3 fragmentColor;
+uniform mat4 MVP;
+
+void main()
+{
+ gl_Position = MVP * vec4(vertexPosition_modelspace,1);
+ fragmentColor = vertexColor;
+}
+
+);
+
+const char *Line2DFragmemtShader = OPENGL_SHADER (
+
+varying vec4 fragmentColor;
+
+void main()
+{
+ gl_FragColor = fragmentColor;
+}
+
+);
+
+const char *Line2DVertexShader = OPENGL_SHADER (
+
+attribute vec4 vPosition;
+uniform vec4 vLineColor;
+varying vec4 fragmentColor;
+
+void main()
+{
+ gl_Position = vPosition;
+ fragmentColor = vLineColor;
+}
+
+);
+
+const char *RenderFragmentShader = OPENGL_SHADER (
+
+uniform sampler2D RenderTex;
+varying vec2 vTexCoord;
+
+void main()
+{
+ gl_FragColor = vec4(texture2D(RenderTex, vTexCoord).rgb, 1);
+}
+
+);
+
+const char *RenderVertexShader = OPENGL_SHADER (
+
+attribute vec4 vPosition;
+attribute vec2 texCoord;
+varying vec2 vTexCoord;
+
+void main()
+{
+ gl_Position = vPosition;
+ vTexCoord = texCoord;
+}
+
+);
+
+
+static GLfloat squareVertices[] = {
+ -1.0f, -1.0f, -1.0,
+ 1.0f, -1.0f, -1.0,
+ 1.0f, 1.0f, -1.0,
+ -1.0f, 1.0f, -1.0
+};
+
+static GLfloat coordVertices[] = {
+ 0.0f, 0.0f,
+ 1.0f, 0.0f,
+ 1.0f, 1.0f,
+ 0.0f, 1.0f,
+};
+#if 0
+static const GLfloat g_vertex_buffer_data[] = {
+ -1.0f,-1.0f,-1.0f,
+ -1.0f,-1.0f, 1.0f,
+ -1.0f, 1.0f, 1.0f,
+ 1.0f, 1.0f,-1.0f,
+ -1.0f,-1.0f,-1.0f,
+ -1.0f, 1.0f,-1.0f,
+ 1.0f,-1.0f, 1.0f,
+ -1.0f,-1.0f,-1.0f,
+ 1.0f,-1.0f,-1.0f,
+ 1.0f, 1.0f,-1.0f,
+ 1.0f,-1.0f,-1.0f,
+ -1.0f,-1.0f,-1.0f,
+ -1.0f,-1.0f,-1.0f,
+ -1.0f, 1.0f, 1.0f,
+ -1.0f, 1.0f,-1.0f,
+ 1.0f,-1.0f, 1.0f,
+ -1.0f,-1.0f, 1.0f,
+ -1.0f,-1.0f,-1.0f,
+ -1.0f, 1.0f, 1.0f,
+ -1.0f,-1.0f, 1.0f,
+ 1.0f,-1.0f, 1.0f,
+ 1.0f, 1.0f, 1.0f,
+ 1.0f,-1.0f,-1.0f,
+ 1.0f, 1.0f,-1.0f,
+ 1.0f,-1.0f,-1.0f,
+ 1.0f, 1.0f, 1.0f,
+ 1.0f,-1.0f, 1.0f,
+ 1.0f, 1.0f, 1.0f,
+ 1.0f, 1.0f,-1.0f,
+ -1.0f, 1.0f,-1.0f,
+ 1.0f, 1.0f, 1.0f,
+ -1.0f, 1.0f,-1.0f,
+ -1.0f, 1.0f, 1.0f,
+ 1.0f, 1.0f, 1.0f,
+ -1.0f, 1.0f, 1.0f,
+ 1.0f,-1.0f, 1.0f
+};
+
+// One color for each vertex. They were generated randomly.
+static const GLfloat g_color_buffer_data[] = {
+ 0.583f, 0.771f, 0.014f,
+ 0.609f, 0.115f, 0.436f,
+ 0.327f, 0.483f, 0.844f,
+ 0.822f, 0.569f, 0.201f,
+ 0.435f, 0.602f, 0.223f,
+ 0.310f, 0.747f, 0.185f,
+ 0.597f, 0.770f, 0.761f,
+ 0.559f, 0.436f, 0.730f,
+ 0.359f, 0.583f, 0.152f,
+ 0.483f, 0.596f, 0.789f,
+ 0.559f, 0.861f, 0.639f,
+ 0.195f, 0.548f, 0.859f,
+ 0.014f, 0.184f, 0.576f,
+ 0.771f, 0.328f, 0.970f,
+ 0.406f, 0.615f, 0.116f,
+ 0.676f, 0.977f, 0.133f,
+ 0.971f, 0.572f, 0.833f,
+ 0.140f, 0.616f, 0.489f,
+ 0.997f, 0.513f, 0.064f,
+ 0.945f, 0.719f, 0.592f,
+ 0.543f, 0.021f, 0.978f,
+ 0.279f, 0.317f, 0.505f,
+ 0.167f, 0.620f, 0.077f,
+ 0.347f, 0.857f, 0.137f,
+ 0.055f, 0.953f, 0.042f,
+ 0.714f, 0.505f, 0.345f,
+ 0.783f, 0.290f, 0.734f,
+ 0.722f, 0.645f, 0.174f,
+ 0.302f, 0.455f, 0.848f,
+ 0.225f, 0.587f, 0.040f,
+ 0.517f, 0.713f, 0.338f,
+ 0.053f, 0.959f, 0.120f,
+ 0.393f, 0.621f, 0.362f,
+ 0.673f, 0.211f, 0.457f,
+ 0.820f, 0.883f, 0.371f,
+ 0.982f, 0.099f, 0.879f
+};
+#endif
+int static checkGLError(char *file, int line)
+{
+ GLenum glErr;
+ int retCode = 0;
+ glErr = glGetError();
+ while (glErr != GL_NO_ERROR)
+ {
+ const GLubyte* sError = gluErrorString(glErr);
+
+ if (sError)
+ cout << "GL Error #" << glErr << "(" << gluErrorString(glErr) << ") " << " in File " << file << " at line: " << line << endl;
+ else
+ cout << "GL Error #" << glErr << " (no message available)" << " in File " << file << " at line: " << line << endl;
+
+ retCode = -1;
+ return retCode;
+ }
+ return retCode;
+}
+
+
+#define CHECK_GL_ERROR() checkGLError(__FILE__, __LINE__)
+
+GLint OpenGLRender::LoadShaders(const char *vertexShader,const char *fragmentShader)
+{
+ // Create the shaders
+ GLuint VertexShaderID = glCreateShader(GL_VERTEX_SHADER);
+ GLuint FragmentShaderID = glCreateShader(GL_FRAGMENT_SHADER);
+
+ GLint Result = GL_FALSE;
+ int InfoLogLength;
+
+
+
+ // Compile Vertex Shader
+ char const * VertexSourcePointer = vertexShader;
+ glShaderSource(VertexShaderID, 1, &VertexSourcePointer , NULL);
+ glCompileShader(VertexShaderID);
+
+ // Check Vertex Shader
+ glGetShaderiv(VertexShaderID, GL_COMPILE_STATUS, &Result);
+ glGetShaderiv(VertexShaderID, GL_INFO_LOG_LENGTH, &InfoLogLength);
+ if ( InfoLogLength > 0 ){
+ std::vector<char> VertexShaderErrorMessage(InfoLogLength+1);
+ glGetShaderInfoLog(VertexShaderID, InfoLogLength, NULL, &VertexShaderErrorMessage[0]);
+ cout << "vertex shader compile fail : " << VertexShaderErrorMessage[0] << endl;
+ }
+
+
+
+ // Compile Fragment Shader
+ char const * FragmentSourcePointer = fragmentShader;
+ glShaderSource(FragmentShaderID, 1, &FragmentSourcePointer , NULL);
+ glCompileShader(FragmentShaderID);
+
+ // Check Fragment Shader
+ glGetShaderiv(FragmentShaderID, GL_COMPILE_STATUS, &Result);
+ glGetShaderiv(FragmentShaderID, GL_INFO_LOG_LENGTH, &InfoLogLength);
+ if ( InfoLogLength > 0 ){
+ std::vector<char> FragmentShaderErrorMessage(InfoLogLength+1);
+ glGetShaderInfoLog(FragmentShaderID, InfoLogLength, NULL, &FragmentShaderErrorMessage[0]);
+ cout << "fragment shader compile fail : " << FragmentShaderErrorMessage[0] << endl;
+ }
+
+
+
+ // Link the program
+ GLint ProgramID = glCreateProgram();
+ glAttachShader(ProgramID, VertexShaderID);
+ glAttachShader(ProgramID, FragmentShaderID);
+ glLinkProgram(ProgramID);
+
+ // Check the program
+ glGetProgramiv(ProgramID, GL_LINK_STATUS, &Result);
+ glGetProgramiv(ProgramID, GL_INFO_LOG_LENGTH, &InfoLogLength);
+ if ( InfoLogLength > 0 ){
+ std::vector<char> ProgramErrorMessage(InfoLogLength+1);
+ glGetProgramInfoLog(ProgramID, InfoLogLength, NULL, &ProgramErrorMessage[0]);
+ cout << "Shader Program fail : " << ProgramErrorMessage[0] << endl;
+ }
+
+ glDeleteShader(VertexShaderID);
+ glDeleteShader(FragmentShaderID);
+
+ return ProgramID;
+}
+
+int OpenGLRender::InitOpenGL(GLWindow aWindow)
+{
+ glWin = aWindow;
+ glewExperimental = GL_TRUE;
+ if (glewInit() != GLEW_OK)
+ {
+ cout << "Failed to initialize GLEW" << endl;
+ return -1;
+ }
+ glEnable(GL_TEXTURE_2D);
+ glEnable(GL_CULL_FACE);
+ glCullFace(GL_BACK);
+ // Enable depth test
+ glEnable(GL_DEPTH_TEST);
+ // Accept fragment if it closer to the camera than the former one
+ glDepthFunc(GL_LESS);
+ //[mod] by gaowei
+ glEnable(GL_POINT_SMOOTH);
+ glEnable(GL_LINE_SMOOTH);
+ glHint(GL_POINT_SMOOTH_HINT, GL_NICEST);
+ glHint(GL_LINE_SMOOTH_HINT, GL_NICEST);
+ glEnable(GL_BLEND);
+ glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+
+ glClearColor (1.0f, 1.0f, 1.0f, 1.0f);
+ glClear(GL_COLOR_BUFFER_BIT);
+ glClearDepth(1.0f);
+ glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+ //Init the Projection matrix
+ m_Projection = glm::perspective(45.0f, 4.0f / 3.0f, 0.1f, 100.0f);
+ m_View = glm::lookAt(glm::vec3(0,0,1), // Camera is at (4,3,-3), in World Space
+ glm::vec3(0,0,0), // and looks at the origin
+ glm::vec3(0,1,0) // Head is up (set to 0,-1,0 to look upside-down)
+ );
+ m_ProgramID = LoadShaders(TransformVertexShader, ColorFragmemtShader);
+ glGenBuffers(1, &m_VertexBuffer);
+ glGenBuffers(1, &m_ColorBuffer);
+ m_MatrixID = glGetUniformLocation(m_ProgramID, "MVP");
+ m_VertexID = glGetAttribLocation(m_ProgramID, "vertexPosition_modelspace");
+ m_ColorID = glGetAttribLocation(m_ProgramID, "vertexColor");
+
+ m_RenderProID = LoadShaders(RenderVertexShader, RenderFragmentShader);
+ m_RenderVertexID = glGetAttribLocation(m_RenderProID, "vPosition");
+ m_RenderTexCoordID = glGetAttribLocation(m_RenderProID, "texCoord");
+ m_RenderTexID = glGetUniformLocation(m_RenderProID, "RenderTex");
+
+ m_Line2DProID = LoadShaders(Line2DVertexShader, Line2DFragmemtShader);
+ m_Line2DVertexID = glGetAttribLocation(m_Line2DProID, "vPosition");
+ m_Line2DColorID = glGetUniformLocation(m_Line2DProID, "vLineColor");
+
+ glGenBuffers(1, &m_RenderVertexBuf);
+ glBindBuffer(GL_ARRAY_BUFFER, m_RenderVertexBuf);
+ glBufferData(GL_ARRAY_BUFFER, sizeof(squareVertices), squareVertices, GL_STATIC_DRAW);
+ glBindBuffer(GL_ARRAY_BUFFER, 0);
+
+ glGenBuffers(1, &m_RenderTexCoordBuf);
+ glBindBuffer(GL_ARRAY_BUFFER, m_RenderTexCoordBuf);
+ glBufferData(GL_ARRAY_BUFFER, sizeof(coordVertices), coordVertices, GL_STATIC_DRAW);
+ glBindBuffer(GL_ARRAY_BUFFER, 0);
+#if defined( WNT )
+ SwapBuffers(glWin.hDC);
+ glFlush();
+#elif defined( UNX )
+ unx::glXSwapBuffers(glWin.dpy, glWin.win);
+#endif
+ glEnable(GL_LIGHTING);
+ GLfloat light_direction[] = { 0.0 , 0.0 , 1.0 };
+ GLfloat materialDiffuse[] = { 1.0 , 1.0 , 1.0 , 1.0};
+ glLightfv(GL_LIGHT0, GL_SPOT_DIRECTION, light_direction);
+ glMaterialfv(GL_FRONT,GL_DIFFUSE,materialDiffuse);
+ glEnable(GL_LIGHT0);
+ glEnable(GL_NORMALIZE);
+ return 0;
+}
+
+
+int OpenGLRender::RenderModelf(float *vertexArray, unsigned int vertexArraySize, float *colorArray, unsigned int colorArraySize)
+{
+ if (vertexArraySize != colorArraySize)
+ {
+ return -1;
+ }
+ glViewport(0, 0, m_iWidth, m_iHeight);
+ glClearDepth(1.0f);
+ glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+ //fill vertex buffer
+ glBindBuffer(GL_ARRAY_BUFFER, m_VertexBuffer);
+ glBufferData(GL_ARRAY_BUFFER, vertexArraySize, vertexArray, GL_STATIC_DRAW);
+ //fill color buffer
+ glBindBuffer(GL_ARRAY_BUFFER, m_ColorBuffer);
+ glBufferData(GL_ARRAY_BUFFER, colorArraySize, colorArray, GL_STATIC_DRAW);
+ m_MVP = m_Projection * m_View * m_Model;
+ // Clear the screen
+ glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+ // Use our shader
+ glUseProgram(m_ProgramID);
+
+ // Send our transformation to the currently bound shader,
+ // in the "MVP" uniform
+ glUniformMatrix4fv(m_MatrixID, 1, GL_FALSE, &m_MVP[0][0]);
+
+ // 1rst attribute buffer : vertices
+ glEnableVertexAttribArray(m_VertexID);
+ glBindBuffer(GL_ARRAY_BUFFER, m_VertexBuffer);
+ glVertexAttribPointer(
+ m_VertexID, // attribute. No particular reason for 0, but must match the layout in the shader.
+ 3, // size
+ GL_FLOAT, // type
+ GL_FALSE, // normalized?
+ 0, // stride
+ (void*)0 // array buffer offset
+ );
+ // 2nd attribute buffer : colors
+ glEnableVertexAttribArray(m_ColorID);
+ glBindBuffer(GL_ARRAY_BUFFER, m_ColorBuffer);
+ glVertexAttribPointer(
+ m_ColorID, // attribute. No particular reason for 1, but must match the layout in the shader.
+ 3, // size
+ GL_FLOAT, // type
+ GL_FALSE, // normalized?
+ 0, // stride
+ (void*)0 // array buffer offset
+ );
+ // Draw the triangle !
+ glDrawArrays(GL_TRIANGLES, 0, vertexArraySize / sizeof(float)); // 12*3 indices starting at 0 -> 12 triangles
+
+ glDisableVertexAttribArray(m_VertexID);
+ glDisableVertexAttribArray(m_ColorID);
+ glUseProgram(0);
+#if defined( WNT )
+ SwapBuffers(glWin.hDC);
+ glFlush();
+#elif defined( UNX )
+ unx::glXSwapBuffers(glWin.dpy, glWin.win);
+#endif
+ return 0;
+}
+int OpenGLRender::RenderModelf2FBO(float *vertexArray, unsigned int vertexArraySize, float *colorArray, unsigned int colorArraySize)
+{
+ char fileName[256] = {0};
+ sprintf(fileName, "D:\\shaderout_%d_%d.bmp", m_iWidth, m_iHeight);
+ if (vertexArraySize != colorArraySize)
+ {
+ return -1;
+ }
+ glViewport(0, 0, m_iWidth, m_iHeight);
+ glClearDepth(1.0f);
+ glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+ // create a texture object
+ CreateTextureObj(m_iWidth, m_iHeight);
+ //create render buffer object
+ CreateRenderObj(m_iWidth, m_iHeight);
+ //create fbo
+ CreateFrameBufferObj();
+ //fill vertex buffer
+ glBindBuffer(GL_ARRAY_BUFFER, m_VertexBuffer);
+ glBufferData(GL_ARRAY_BUFFER, vertexArraySize, vertexArray, GL_STATIC_DRAW);
+ //fill color buffer
+ glBindBuffer(GL_ARRAY_BUFFER, m_ColorBuffer);
+ glBufferData(GL_ARRAY_BUFFER, colorArraySize, colorArray, GL_STATIC_DRAW);
+ m_MVP = m_Projection * m_View * m_Model;
+ //bind fbo
+ glBindFramebuffer(GL_FRAMEBUFFER, m_FboID[0]);
+
+ // Clear the screen
+ glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+ // Use our shader
+ glUseProgram(m_ProgramID);
+
+ // Send our transformation to the currently bound shader,
+ // in the "MVP" uniform
+ glUniformMatrix4fv(m_MatrixID, 1, GL_FALSE, &m_MVP[0][0]);
+
+ // 1rst attribute buffer : vertices
+ glEnableVertexAttribArray(m_VertexID);
+ glBindBuffer(GL_ARRAY_BUFFER, m_VertexBuffer);
+ glVertexAttribPointer(
+ m_VertexID, // attribute. No particular reason for 0, but must match the layout in the shader.
+ 3, // size
+ GL_FLOAT, // type
+ GL_FALSE, // normalized?
+ 0, // stride
+ (void*)0 // array buffer offset
+ );
+ // 2nd attribute buffer : colors
+ glEnableVertexAttribArray(m_ColorID);
+ glBindBuffer(GL_ARRAY_BUFFER, m_ColorBuffer);
+ glVertexAttribPointer(
+ m_ColorID, // attribute. No particular reason for 1, but must match the layout in the shader.
+ 3, // size
+ GL_FLOAT, // type
+ GL_FALSE, // normalized?
+ 0, // stride
+ (void*)0 // array buffer offset
+ );
+ // Draw the triangle !
+ glDrawArrays(GL_TRIANGLES, 0, vertexArraySize / sizeof(float)); // 12*3 indices starting at 0 -> 12 triangles
+ glDisableVertexAttribArray(m_VertexID);
+ glDisableVertexAttribArray(m_ColorID);
+ glUseProgram(0);
+ int result = 0;
+ GLenum fbResult = glCheckFramebufferStatus(GL_FRAMEBUFFER);
+ if( fbResult != GL_FRAMEBUFFER_COMPLETE )
+ {
+ result = -1;
+ }
+#if 1
+ sal_uInt8 *buf = (sal_uInt8 *)malloc(m_iWidth * m_iHeight * 3 + BMP_HEADER_LEN);
+ CreateBMPHeader(buf, m_iWidth, -m_iHeight);
+ glReadPixels(0, 0, m_iWidth, m_iHeight, GL_BGR, GL_UNSIGNED_BYTE, buf + BMP_HEADER_LEN);
+ FILE *pfile = fopen(fileName,"wb");
+ fwrite(buf,m_iWidth * m_iHeight * 3 + BMP_HEADER_LEN, 1, pfile);
+ free(buf);
+ fclose(pfile);
+
+#else
+ boost::scoped_array<sal_uInt8> buf = new sal_uInt8[m_iWidth * m_iHeight * 4];
+ glBindTexture(GL_TEXTURE_2D, m_TextureObj);
+ glGetTexImage(GL_TEXTURE_2D, 0, GL_RGBA, GL_UNSIGNED_BYTE, buf.get());
+ FILE *pfile = fopen(fileName,"wb");
+ fwrite(buf,m_iWidth * m_iHeight * 3, 1, pfile);
+ fclose(pfile);
+ glBindTexture(GL_TEXTURE_2D, 0);
+#endif
+ glBindFramebuffer(GL_FRAMEBUFFER, 0);
+ RenderTexture(m_TextureObj[0]);
+#if 0
+ sal_uInt8 *buf = (sal_uInt8 *)malloc(m_iWidth * m_iHeight * 3);
+ glBindTexture(GL_TEXTURE_2D, m_TextureObj);
+ glGetTexImage(GL_TEXTURE_2D, 0, GL_BGR, GL_UNSIGNED_BYTE, buf);
+ FILE *pfile = fopen(fileName,"wb");
+ fwrite(buf,m_iWidth * m_iHeight * 3, 1, pfile);
+ fclose(pfile);
+ free(buf);
+ glBindTexture(GL_TEXTURE_2D, 0);
+#endif
+ return 0;
+}
+
+int OpenGLRender::SetLine2DShapePoint(float x, float y, int listLength)
+{
+ if (!m_Line2DPoitList.pointBuf)
+ {
+ //a new point buffer should be alloc, we should push the old buffer first
+ m_Line2DPoitList.bufLen = listLength * sizeof(float) * 2;
+ m_Line2DPoitList.pointBuf = (float *)malloc(m_Line2DPoitList.bufLen);
+ }
+
+ float zeroX = (float)m_iWidth * 10;
+ float zeroY = (float)m_iHeight * 10;
+ m_Line2DPoitList.pointBuf[m_iPointNum++] = 3.5 * ((x - zeroX) / zeroX + 0.3);
+ m_Line2DPoitList.pointBuf[m_iPointNum++] = 3.5 * ((y - zeroY) / zeroY + 0.25);
+
+ if (m_iPointNum == (listLength << 1))
+ {
+ m_Line2DShapePointList.push_back(m_Line2DPoitList);
+ m_Line2DPoitList.pointBuf = NULL;
+ m_iPointNum = 0;
+ }
+ return 0;
+}
+
+int OpenGLRender::RenderLine2FBO(int wholeFlag)
+{
+ char fileName[256] = {0};
+ sprintf(fileName, "D:\\shaderout_%d_%d_%d.bmp", m_iWidth, m_iHeight, m_iFboIdx);
+
+ glViewport(0, 0, m_iWidth, m_iHeight);
+ glClearDepth(1.0f);
+ // Clear the screen
+ glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+ if ((!m_FboID[0]) || (!m_FboID[1]))
+ {
+ // create a texture object
+ CreateTextureObj(m_iWidth, m_iHeight);
+ //create render buffer object
+ CreateRenderObj(m_iWidth, m_iHeight);
+ //create fbo
+ CreateFrameBufferObj();
+ }
+ //bind fbo
+ glBindFramebuffer(GL_FRAMEBUFFER, m_FboID[m_iFboIdx % 2]);
+
+ // Clear the screen
+ glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+ if (wholeFlag)
+ {
+ if (m_iFboIdx > 0)
+ {
+ RenderTexture2FBO(m_TextureObj[(m_iFboIdx - 1) % 2]);
+ }
+ }
+ glLineWidth(m_fLineWidth);
+ int listNum = m_Line2DShapePointList.size();
+ for (int i = 0; i < listNum; i++)
+ {
+ Line2DPointList &pointList = m_Line2DShapePointList.front();
+ //fill vertex buffer
+ glBindBuffer(GL_ARRAY_BUFFER, m_VertexBuffer);
+ glBufferData(GL_ARRAY_BUFFER, pointList.bufLen, pointList.pointBuf, GL_STATIC_DRAW);
+ // Use our shader
+ glUseProgram(m_Line2DProID);
+
+ glUniform4fv(m_Line2DColorID, 1, &m_Line2DColor[0]);
+
+ // 1rst attribute buffer : vertices
+ glEnableVertexAttribArray(m_Line2DVertexID);
+ glBindBuffer(GL_ARRAY_BUFFER, m_VertexBuffer);
+ glVertexAttribPointer(
+ m_Line2DVertexID, // attribute. No particular reason for 0, but must match the layout in the shader.
+ 2, // size
+ GL_FLOAT, // type
+ GL_FALSE, // normalized?
+ 0, // stride
+ (void*)0 // array buffer offset
+ );
+ glDrawArrays(GL_LINE_STRIP, 0, pointList.bufLen / sizeof(float) / 2); // 12*3 indices starting at 0 -> 12 triangles
+ glDisableVertexAttribArray(m_Line2DWholeVertexID);
+ glUseProgram(0);
+ m_Line2DShapePointList.pop_front();
+ free(pointList.pointBuf);
+ }
+ m_iPointNum = 0;
+ int result = 0;
+ GLenum fbResult = glCheckFramebufferStatus(GL_FRAMEBUFFER);
+ if( fbResult != GL_FRAMEBUFFER_COMPLETE )
+ {
+ result = -1;
+ }
+ sal_uInt8 *buf = (sal_uInt8 *)malloc(m_iWidth * m_iHeight * 3 + BMP_HEADER_LEN);
+ CreateBMPHeader(buf, m_iWidth, m_iHeight);
+ glReadPixels(0, 0, m_iWidth, m_iHeight, GL_BGR, GL_UNSIGNED_BYTE, buf + BMP_HEADER_LEN);
+ FILE *pfile = fopen(fileName,"wb");
+ fwrite(buf,m_iWidth * m_iHeight * 3 + BMP_HEADER_LEN, 1, pfile);
+ free(buf);
+ fclose(pfile);
+ glBindFramebuffer(GL_FRAMEBUFFER, 0);
+#if defined( WNT )
+ SwapBuffers(glWin.hDC);
+ glFlush();
+#elif defined( UNX )
+ unx::glXSwapBuffers(glWin.dpy, glWin.win);
+#endif
+ RenderTexture(m_TextureObj[m_iFboIdx % 2]);
+ m_iFboIdx++;
+ return 0;
+}
+
+int OpenGLRender::RenderTexture2FBO(GLuint TexID)
+{
+ glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+ glDepthMask(GL_FALSE);
+ glUseProgram(m_RenderProID);
+ glEnableVertexAttribArray(m_RenderVertexID);
+ glBindBuffer(GL_ARRAY_BUFFER, m_RenderVertexBuf);
+ glVertexAttribPointer(
+ m_RenderVertexID, // attribute. No particular reason for 0, but must match the layout in the shader.
+ 3, // size
+ GL_FLOAT, // type
+ GL_FALSE, // normalized?
+ 0, // stride
+ (void*)0 // array buffer offset
+ );
+ glEnableVertexAttribArray(m_RenderTexCoordID);
+ glBindBuffer(GL_ARRAY_BUFFER, m_RenderTexCoordBuf);
+ glVertexAttribPointer(
+ m_RenderTexCoordID, // attribute. No particular reason for 0, but must match the layout in the shader.
+ 2, // size
+ GL_FLOAT, // type
+ GL_FALSE, // normalized?
+ 0, // stride
+ (void*)0 // array buffer offset
+ );
+ glBindTexture(GL_TEXTURE_2D, TexID);
+ glUniform1i(m_RenderTexID, 0);
+ glDrawArrays(GL_QUADS, 0, 4);
+ glDisableVertexAttribArray(m_RenderTexCoordID);
+ glDisableVertexAttribArray(m_RenderVertexID);
+ glBindTexture(GL_TEXTURE_2D, 0);
+ glUseProgram(0);
+ glDepthMask(GL_TRUE);
+ return 0;
+}
+
+
+int OpenGLRender::RenderTexture(GLuint TexID)
+{
+ glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+ glUseProgram(m_RenderProID);
+
+ glEnableVertexAttribArray(m_RenderVertexID);
+ glBindBuffer(GL_ARRAY_BUFFER, m_RenderVertexBuf);
+ glVertexAttribPointer(
+ m_RenderVertexID, // attribute. No particular reason for 0, but must match the layout in the shader.
+ 3, // size
+ GL_FLOAT, // type
+ GL_FALSE, // normalized?
+ 0, // stride
+ (void*)0 // array buffer offset
+ );
+ glEnableVertexAttribArray(m_RenderTexCoordID);
+ glBindBuffer(GL_ARRAY_BUFFER, m_RenderTexCoordBuf);
+ glVertexAttribPointer(
+ m_RenderTexCoordID, // attribute. No particular reason for 0, but must match the layout in the shader.
+ 2, // size
+ GL_FLOAT, // type
+ GL_FALSE, // normalized?
+ 0, // stride
+ (void*)0 // array buffer offset
+ );
+ glBindTexture(GL_TEXTURE_2D, TexID);
+ glUniform1i(m_RenderTexID, 0);
+ glDrawArrays(GL_QUADS, 0, 4);
+ glDisableVertexAttribArray(m_RenderTexCoordID);
+ glDisableVertexAttribArray(m_RenderVertexID);
+ glBindTexture(GL_TEXTURE_2D, 0);
+ glUseProgram(0);
+#if defined( WNT )
+ SwapBuffers(glWin.hDC);
+ glFlush();
+#elif defined( UNX )
+ unx::glXSwapBuffers(glWin.dpy, glWin.win);
+#endif
+ return 0;
+}
+
+
+int OpenGLRender::CreateTextureObj(int width, int height)
+{
+ glGenTextures(1, &m_TextureObj[0]);
+ glBindTexture(GL_TEXTURE_2D, m_TextureObj[0]);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+ glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, width, height, 0, GL_RGB, GL_UNSIGNED_BYTE, NULL);
+ CHECK_GL_ERROR();
+ glBindTexture(GL_TEXTURE_2D, 0);
+
+ glGenTextures(1, &m_TextureObj[1]);
+ glBindTexture(GL_TEXTURE_2D, m_TextureObj[1]);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+ glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, width, height, 0, GL_RGB, GL_UNSIGNED_BYTE, NULL);
+ CHECK_GL_ERROR();
+ glBindTexture(GL_TEXTURE_2D, 0);
+ return 0;
+}
+
+int OpenGLRender::CreateRenderObj(int width, int height)
+{
+ glGenRenderbuffers(1, &m_RboID[0]);
+ CHECK_GL_ERROR();
+ glBindRenderbuffer(GL_RENDERBUFFER, m_RboID[0]);
+ CHECK_GL_ERROR();
+ glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH_COMPONENT, width, height);
+ CHECK_GL_ERROR();
+ glBindRenderbuffer(GL_RENDERBUFFER, 0);
+ CHECK_GL_ERROR();
+
+ glGenRenderbuffers(1, &m_RboID[1]);
+ CHECK_GL_ERROR();
+ glBindRenderbuffer(GL_RENDERBUFFER, m_RboID[1]);
+ CHECK_GL_ERROR();
+ glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH_COMPONENT, width, height);
+ CHECK_GL_ERROR();
+ glBindRenderbuffer(GL_RENDERBUFFER, 0);
+ CHECK_GL_ERROR();
+ return 0;
+}
+
+int OpenGLRender::SetViewPoint(PosVeci3 camPos, PosVeci3 orgPos, int headUpFlag)
+{
+ m_View = glm::lookAt(glm::vec3(camPos.x, camPos.y, camPos.z), // Camera is at (4,3,-3), in World Space
+ glm::vec3(orgPos.x, orgPos.y ,orgPos.z), // and looks at the origin
+ glm::vec3(0, (headUpFlag >= 0 ? 1 : -1) , 0) // Head is up (set to 0,-1,0 to look upside-down)
+ );
+ m_Projection = glm::perspective(45.0f, (float)m_iWidth / (float)m_iHeight, 0.1f, 100.0f);
+ return 0;
+}
+
+int OpenGLRender::MoveModelf(PosVecf3 trans, PosVecf3 angle, PosVecf3 scale)
+{
+ m_TranslationMatrix = glm::translate(glm::vec3(trans.x, trans.y, trans.z));
+ m_ScaleMatrix = glm::scale(glm::vec3(scale.x, scale.y, scale.z));
+ m_RotationMatrix = glm::eulerAngleYXZ(angle.y, angle.x, angle.z);
+ m_Model = m_TranslationMatrix * m_RotationMatrix * m_ScaleMatrix;
+ return 0;
+}
+
+
+int OpenGLRender::CreateFrameBufferObj()
+{
+ GLenum status;
+ // create a framebuffer object, you need to delete them when program exits.
+ glGenFramebuffers(1, &m_FboID[0]);
+ status = glCheckFramebufferStatus(GL_FRAMEBUFFER);
+ glBindFramebuffer(GL_FRAMEBUFFER, m_FboID[0]);
+ glBindTexture(GL_TEXTURE_2D, m_TextureObj[0]);
+ // attach a texture to FBO color attachement point
+ glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, m_TextureObj[0], 0);
+ status = glCheckFramebufferStatus(GL_FRAMEBUFFER);
+ glBindTexture(GL_TEXTURE_2D, 0);
+ // attach a renderbuffer to depth attachment point
+ glBindRenderbuffer(GL_RENDERBUFFER, m_RboID[0]);
+ glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, m_RboID[0]);
+ status = glCheckFramebufferStatus(GL_FRAMEBUFFER);
+ glBindRenderbuffer(GL_RENDERBUFFER, 0);
+ glBindFramebuffer(GL_FRAMEBUFFER, 0);
+
+ glGenFramebuffers(1, &m_FboID[1]);
+ status = glCheckFramebufferStatus(GL_FRAMEBUFFER);
+ glBindFramebuffer(GL_FRAMEBUFFER, m_FboID[1]);
+ glBindTexture(GL_TEXTURE_2D, m_TextureObj[1]);
+ // attach a texture to FBO color attachement point
+ glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, m_TextureObj[1], 0);
+ status = glCheckFramebufferStatus(GL_FRAMEBUFFER);
+ glBindTexture(GL_TEXTURE_2D, 0);
+ // attach a renderbuffer to depth attachment point
+ glBindRenderbuffer(GL_RENDERBUFFER, m_RboID[1]);
+ glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, m_RboID[1]);
+ status = glCheckFramebufferStatus(GL_FRAMEBUFFER);
+ glBindRenderbuffer(GL_RENDERBUFFER, 0);
+ glBindFramebuffer(GL_FRAMEBUFFER, 0);
+
+ return 0;
+}
+
+void OpenGLRender::Release()
+{
+ glDeleteBuffers(1, &m_VertexBuffer);
+ glDeleteBuffers(1, &m_ColorBuffer);
+ glDeleteProgram(m_ProgramID);
+ glDeleteBuffers(1, &m_RenderVertexBuf);
+ glDeleteBuffers(1, &m_RenderTexCoordBuf);
+ glDeleteProgram(m_RenderProID);
+ glDeleteFramebuffers(1, &m_FboID[0]);
+ glDeleteFramebuffers(1, &m_FboID[1]);
+ glDeleteTextures(1, &m_TextureObj[0]);
+ glDeleteTextures(1, &m_TextureObj[1]);
+ glDeleteRenderbuffers(1, &m_RboID[0]);
+ glDeleteRenderbuffers(1, &m_RboID[1]);
+#if defined( WNT )
+ wglMakeCurrent(NULL, NULL);
+ if (!m_iExternRC)
+ wglDeleteContext(m_hRC);
+ if (!m_iExternDC)
+ ReleaseDC(m_hWnd, m_hDC);
+#elif defined( UNX )
+
+ glXMakeCurrent(glWin.dpy, None, NULL);
+ if( glGetError() != GL_NO_ERROR ) {
+ SAL_INFO("slideshow.opengl", "glError: " << (char *)gluErrorString(glGetError()));
+ }
+ glXDestroyContext(glWin.dpy, glWin.ctx);
+ glWin.ctx = NULL;
+ glWin.win = 0;
+
+#endif
+}
+
+
+OpenGLRender::OpenGLRender()
+{
+ //[mod] by gaowei
+ m_Model = glm::mat4(1.0f);
+ m_TranslationMatrix = glm::translate(m_Model, glm::vec3(0.0f, 0.0f, 0.0f));
+ m_ScaleMatrix = glm::scale(m_Model, glm::vec3(1.0f, 1.0f, 1.0f));
+ m_RotationMatrix = glm::eulerAngleYXZ(0.0f, 0.0f, 0.0f);
+ m_iWidth = 0;
+ m_iHeight = 0;
+ m_Line2DColor = glm::vec4(1.0, 0.0, 0.0, 1.0);
+ m_iPointNum = 0;
+ memset(&m_Line2DPoitList, 0, sizeof(Line2DPointList));
+ m_iFboIdx = 0;
+ m_FboID[0] = 0;
+ m_FboID[1] = 0;
+ m_TextureObj[0] = 0;
+ m_TextureObj[1] = 0;
+ m_RboID[0] = 0;
+ m_RboID[1] = 0;
+ m_fLineAlpha = 1.0;
+}
+OpenGLRender::~OpenGLRender()
+{
+}
+
+void OpenGLRender::SetWidth(int width)
+{
+ m_iWidth = width;
+}
+void OpenGLRender::SetHeight(int height)
+{
+ m_iHeight = height;
+}
+
+int OpenGLRender::GetWidth()
+{
+ return m_iWidth;
+}
+int OpenGLRender::GetHeight()
+{
+ return m_iHeight;
+}
+int OpenGLRender::CreateBMPHeader(sal_uInt8 *bmpHeader, int xsize, int ysize)
+{
+ unsigned char header[BMP_HEADER_LEN] = {
+ 0x42, 0x4d, 0, 0, 0, 0, 0, 0, 0, 0,
+ 54, 0, 0, 0, 40, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 24, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0
+ };
+
+ long file_size = (long)xsize * (long)ysize * 3 + 54;
+ header[2] = (unsigned char)(file_size &0x000000ff);
+ header[3] = (file_size >> 8) & 0x000000ff;
+ header[4] = (file_size >> 16) & 0x000000ff;
+ header[5] = (file_size >> 24) & 0x000000ff;
+
+ long width = xsize;
+ header[18] = width & 0x000000ff;
+ header[19] = (width >> 8) &0x000000ff;
+ header[20] = (width >> 16) &0x000000ff;
+ header[21] = (width >> 24) &0x000000ff;
+
+ long height = -ysize;
+ header[22] = height &0x000000ff;
+ header[23] = (height >> 8) &0x000000ff;
+ header[24] = (height >> 16) &0x000000ff;
+ header[25] = (height >> 24) &0x000000ff;
+ memcpy(bmpHeader, header, BMP_HEADER_LEN);
+ return 0;
+
+}
+
+void OpenGLRender::SetLine2DColor(sal_uInt8 r, sal_uInt8 g, sal_uInt8 b)
+{
+ m_Line2DColor = glm::vec4((float)r / 255.0f, (float)g / 255.0f, (float)b / 255.0f, m_fLineAlpha);
+}
+
+void OpenGLRender::SetLine2DWidth(int width)
+{
+ m_fLineWidth = (float)width / 10.0f;
+ m_fLineWidth = (m_fLineWidth < 0.001) ? 0.001 : m_fLineWidth;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/chart2/source/view/main/OpenGLRender.hxx b/chart2/source/view/main/OpenGLRender.hxx
new file mode 100644
index 0000000..db36dbe
--- /dev/null
+++ b/chart2/source/view/main/OpenGLRender.hxx
@@ -0,0 +1,209 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#if defined( _WIN32 )
+#include "prewin.h"
+#include "windows.h"
+#include "postwin.h"
+#endif
+
+
+#include <GL/gl.h>
+#include <GL/glu.h>
+#include <vcl/window.hxx>
+#include <vcl/syschild.hxx>
+#include <vcl/sysdata.hxx>
+
+#if defined( _WIN32 )
+ #include <GL/glu.h>
+ #include <GL/glext.h>
+ #include <GL/wglext.h>
+#elif defined( MACOSX )
+ #include "premac.h"
+ #include <Cocoa/Cocoa.h>
+ #include "postmac.h"
+#elif defined( UNX )
+ #include <GL/glu.h>
+ #include <GL/glext.h>
+
+namespace unx
+{
+ #include <X11/keysym.h>
+ #include <X11/X.h>
+ #define GLX_GLXEXT_PROTOTYPES 1
+ #include <GL/glx.h>
+ #include <GL/glxext.h>
+}
+#endif
+
+// Include GLM
+#include <list>
+#include "glm/glm.hpp"
+#include "glm/gtx/transform.hpp"
+#include "glm/gtx/euler_angles.hpp"
+#include "glm/gtx/quaternion.hpp"
+#define BMP_HEADER_LEN 54
+
+using namespace std;
+
+typedef struct PosVeci3
+{
+ int x;
+ int y;
+ int z;
+}PosVeci3;
+typedef struct PosVecf3
+{
+ float x;
+ float y;
+ float z;
+}PosVecf3;
+
+typedef struct Line2DPointList
+{
+ float *pointBuf;;
+ int bufLen;
+}Line2DPointList;
+
+/// Holds the information of our new child window
+struct GLWindow
+{
+#if defined( _WIN32 )
+ HWND hWnd;
+ HDC hDC;
+ HGLRC hRC;
+#elif defined( MACOSX )
+#elif defined( UNX )
+ unx::Display* dpy;
+ int screen;
+ unx::Window win;
+#if defined( GLX_VERSION_1_3 ) && defined( GLX_EXT_texture_from_pixmap )
+ unx::GLXFBConfig fbc;
+#endif
+ unx::XVisualInfo* vi;
+ unx::GLXContext ctx;
+
+ bool HasGLXExtension( const char* name ) { return gluCheckExtension( (const GLubyte*) name, (const GLubyte*) GLXExtensions ); }
+ const char* GLXExtensions;
+#endif
+ unsigned int bpp;
+ unsigned int Width;
+ unsigned int Height;
+ const GLubyte* GLExtensions;
+
+ bool HasGLExtension( const char* name ) { return gluCheckExtension( (const GLubyte*) name, GLExtensions ); }
+};
+
+class OpenGLRender
+{
+public:
+ OpenGLRender();
+ ~OpenGLRender();
+ int InitOpenGL(GLWindow);
+ int SetViewPoint(PosVeci3 camPos, PosVeci3 orgPos, int headUpFlag);
+ int MoveModelf(PosVecf3 trans, PosVecf3 angle, PosVecf3 scale);
+ int RenderModelf(float *vertexArray, unsigned int vertexArraySize, float *colorArray, unsigned int colorArraySize);
+ int RenderModelf2FBO(float *vertexArray, unsigned int vertexArraySize, float *colorArray, unsigned int colorArraySize);
+ void SetWidth(int width);
+ void SetHeight(int height);
+ int GetWidth();
+ int GetHeight();
+ void Release();
+ int CreateBMPHeader(sal_uInt8 *bmpHeader, int xsize, int ysize);
+ int RenderLine2FBO(int wholeFlag);
+ int SetLine2DShapePoint(float x, float y, int listLength);
+ void SetLine2DColor(sal_uInt8 r, sal_uInt8 g, sal_uInt8 b);
+ void SetLine2DWidth(int width);
+private:
+ GLint LoadShaders(const char *vertexShader,const char *fragmentShader);
+ int CreateTextureObj(int width, int height);
+ int CreateRenderObj(int width, int height);
+ int CreateFrameBufferObj();
+ int RenderTexture(GLuint TexID);
+ int RenderTexture2FBO(GLuint TexID);
+private:
+ // Projection matrix : default 45 degree Field of View, 4:3 ratio, display range : 0.1 unit <-> 100 units
+ glm::mat4 m_Projection;
+ // Camera matrix
+ glm::mat4 m_View;
+ // Model matrix : an identity matrix (model will be at the origin)
+ glm::mat4 m_Model;
+ // Our ModelViewProjection : multiplication of our 3 matrices
+ glm::mat4 m_MVP;
+
+ glm::mat4 m_TranslationMatrix;
+
+ glm::mat4 m_RotationMatrix;
+
+ glm::mat4 m_ScaleMatrix;
+
+ GLuint m_ProgramID;
+
+ GLint m_RenderProID;
+
+ GLint m_Line2DProID;
+
+ glm::vec4 m_Line2DColor;
+
+ GLuint m_VertexBuffer;
+
+ GLuint m_ColorBuffer;
+
+ GLint m_MatrixID;
+
+ GLint m_VertexID;
+
+ GLint m_ColorID;
+
+ GLint m_RenderVertexID;
+
+ GLint m_RenderTexCoordID;
+
+ GLint m_Line2DVertexID;
+
+ GLint m_Line2DWholeVertexID;
+
+ GLint m_Line2DColorID;
+
+ GLint m_RenderTexID;
+
+ GLuint m_RenderVertexBuf;
+
+ GLuint m_RenderTexCoordBuf;
+
+ GLuint m_TextureObj[2];
+
+ GLuint m_FboID[2];
+
+ GLuint m_RboID[2];
+
+ int m_iWidth;
+
+ int m_iHeight;
+
+ GLWindow glWin;
+
+ int m_iExternDC;
+
+ int m_iExternRC;
+
+ int m_iPointNum;
+
+ Line2DPointList m_Line2DPoitList;
+
+ int m_iFboIdx;
+
+ float m_fLineWidth;
+
+ float m_fLineAlpha;
+
+ list <Line2DPointList> m_Line2DShapePointList;
+};
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/chart2/source/view/main/OpenglShapeFactory.cxx b/chart2/source/view/main/OpenglShapeFactory.cxx
index 2f4b6cf..bb956ee 100644
--- a/chart2/source/view/main/OpenglShapeFactory.cxx
+++ b/chart2/source/view/main/OpenglShapeFactory.cxx
@@ -55,18 +55,14 @@
using namespace ::com::sun::star;
using ::com::sun::star::uno::Reference;
-
namespace chart
{
extern "C" {
+ SAL_DLLPUBLIC_EXPORT opengl::OpenglShapeFactory* getOpenglShapeFactory(uno::Reference< lang::XMultiServiceFactory> xFactory)
+ { return new opengl::OpenglShapeFactory(xFactory);}
+ }
-SAL_DLLPUBLIC_EXPORT opengl::OpenglShapeFactory* getOpenglShapeFactory()
-{
- return new opengl::OpenglShapeFactory();
-}
-
-}
using dummy::DummyXShape;
using dummy::DummyXShapes;
@@ -117,7 +113,14 @@ uno::Reference< drawing::XShapes > OpenglShapeFactory::getOrCreateChartRootShape
if( !xRet.is() )
{
//create the root shape
+ SAL_WARN("chart2.opengl", "getOrCreateChartRootShape");
+ dummy::DummyChart *pChart = new dummy::DummyChart();
+ m_pChart = (void *)pChart;
+ xRet = pChart;
+#if 0
xRet = new dummy::DummyChart();
+ m_pChart = (void *)((dummy::DummyChart *)xRet);
+#endif
xDrawPage->add(uno::Reference< drawing::XShape >(xRet, uno::UNO_QUERY_THROW));
}
return xRet;
@@ -340,8 +343,101 @@ uno::Reference< drawing::XShape >
, const drawing::PointSequenceSequence& rPoints
, const VLineProperties* pLineProperties )
{
+ SAL_WARN("chart2.opengl", "OpenglShapeFactory::createLine2D()-----test:");
dummy::DummyLine2D* pLine = new dummy::DummyLine2D(rPoints, pLineProperties);
xTarget->add(pLine);
+
+ dummy::DummyChart *pChart = (dummy::DummyChart *)m_pChart;
+ if (!m_pChart)
+ {
+ SAL_WARN("chart2.opengl", "createLine2D::DummyChart = NULL");
+ }
+
+
+//create shape
+ uno::Reference< drawing::XShape > xShape(
+ m_xShapeFactory->createInstance(
+ "com.sun.star.drawing.PolyLineShape" ), uno::UNO_QUERY );
+// xTarget->add(xShape);
+
+ //set properties
+ uno::Reference< beans::XPropertySet > xProp( xShape, uno::UNO_QUERY );
+ OSL_ENSURE(xProp.is(), "created shape offers no XPropertySet");
+ if( xProp.is())
+ {
+ try
+ {
+ //Polygon
+ xProp->setPropertyValue( UNO_NAME_POLYPOLYGON
+ , uno::makeAny( rPoints ) );
+
+ if(pLineProperties)
+ {
+ //Transparency
+ if(pLineProperties->Transparence.hasValue())
+ xProp->setPropertyValue( UNO_NAME_LINETRANSPARENCE
+ , pLineProperties->Transparence );
+
+ //LineStyle
+ if(pLineProperties->LineStyle.hasValue())
+ xProp->setPropertyValue( UNO_NAME_LINESTYLE
+ , pLineProperties->LineStyle );
+
+ //LineWidth
+ if(pLineProperties->Width.hasValue())
+ xProp->setPropertyValue( UNO_NAME_LINEWIDTH
+ , pLineProperties->Width );
+
+ //LineColor
+ if(pLineProperties->Color.hasValue())
+ xProp->setPropertyValue( UNO_NAME_LINECOLOR
+ , pLineProperties->Color );
+
+ //LineDashName
+ if(pLineProperties->DashName.hasValue())
+ xProp->setPropertyValue( "LineDashName"
+ , pLineProperties->DashName );
+ }
+ }
+ catch( const uno::Exception& e )
+ {
+ ASSERT_EXCEPTION( e );
+ }
+
+ }
+ //set line color
+ uno::Any co = xProp->getPropertyValue(UNO_NAME_LINECOLOR);
+ long *colorvalue = (long*)co.getValue();
+ SAL_WARN("chart2.opengl", "*colorvalue = " << (*colorvalue));
+ sal_uInt8 R = ((*colorvalue) & 0x00FF0000) >> 16;
+ sal_uInt8 G = ((*colorvalue) & 0x0000FF00) >> 8;
+ sal_uInt8 B = ((*colorvalue) & 0x000000FF);
+ pChart->m_GLRender.SetLine2DColor(R, G, B);
+
+ SAL_WARN("chart2.opengl", "*colorvalue = " << (*colorvalue) << ", R = " << (int)R << ", G = " << (int)G << ", B = " << (int)B);
+
+ //set line width
+ uno::Any cow = xProp->getPropertyValue(UNO_NAME_LINEWIDTH);
+ long *width = (long*)cow.getValue();
+ pChart->m_GLRender.SetLine2DWidth((int)(*width));
+
+ SAL_WARN("chart2.opengl", "width = " << (*width));
+
+ com::sun::star::uno::Sequence<drawing::PointSequence> pointss = rPoints;
+ int pointsscount = pointss.getLength();
+ for(int i = 0; i < pointsscount; i++)
+ {
+ com::sun::star::uno::Sequence<com::sun::star::awt::Point> points = pointss[i];
+ int pointscount = points.getLength();
+ for(int j = 0; j < pointscount; j++)
+ {
+ com::sun::star::awt::Point p = points[j];
+ pChart->m_GLRender.SetLine2DShapePoint((float)p.X, (float)p.Y, pointscount);
+ // printf("point x:%ld,y:%ld\n",p.X,p.Y);
+ }
+
+ }
+ pChart->m_GLRender.RenderLine2FBO(GL_TRUE);
return pLine;
}
@@ -416,6 +512,7 @@ void OpenglShapeFactory::createSeries( const uno::Reference<
drawing::XShapes> & ,
const DataSeriesState& )
{
+ SAL_WARN("chart2.opengl", "OpenglShapeFactory::createSeries()-----test:");
}
void OpenglShapeFactory::renderSeries( const uno::Reference<
@@ -424,6 +521,12 @@ void OpenglShapeFactory::renderSeries( const uno::Reference<
const DataSeriesState&,
double )
{
+ SAL_WARN("chart2.opengl", "OpenglShapeFactory::renderSeries()-----test:");
+}
+
+OpenglShapeFactory::OpenglShapeFactory()
+{
+ m_pChart = NULL;
}
} //namespace dummy
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