void OBJWrapper::onDraw(Render& render, const glm::mat4& mvp)
{
glm::mat4 localMatrix = getMatrix();
glm::mat4 totalMatrix = mvp * localMatrix;
for(std::map<std::string, OBJDatas*>::iterator itOBJ = m_objDatas.begin(); itOBJ != m_objDatas.end(); ++itOBJ)
{
OBJDatas* currentDatas = itOBJ->second;
glBindBuffer(GL_ARRAY_BUFFER, currentDatas->vboID);
{
for(std::map<std::string, int>::iterator itSeries = currentDatas->materialSerie.begin(); itSeries != currentDatas->materialSerie.end(); itSeries++)
{
//Draw triangle for each materials series.
int offset = 0;
//Get the material and the shader, then init them.
Material* currentMaterial = currentDatas->mtlWrapper->getMaterial(itSeries->first);
const Shader* shader;
if(!m_material)
{
currentMaterial->enableShader();
currentMaterial->init(render, totalMatrix, localMatrix);
shader = currentMaterial->getShader();
}
else
{
m_material->init(render, totalMatrix, localMatrix);
shader = m_material->getShader();
}
//Send the vector attribute
int stride = 12;
glVertexAttribPointer(glGetAttribLocation(shader->getProgramID(), "vPosition"), 3, GL_FLOAT, false, stride, BUFFER_OFFSET(0));
glVertexAttribPointer(glGetAttribLocation(shader->getProgramID(), "vNormal"), 3, GL_FLOAT, false, stride, BUFFER_OFFSET(currentDatas->vertexPositionLength*4));
//Send the uniform attribute
GLint mvpMatrixHandle = glGetUniformLocation(shader->getProgramID(), "uMVP");
glUniformMatrix4fv(mvpMatrixHandle, 1, false, glm::value_ptr(totalMatrix));
//Draw the triangles.
glDrawArrays(GL_TRIANGLES, offset, itSeries->second);
offset += itSeries->second;
}
}
glBindBuffer(GL_ARRAY_BUFFER, 0);
}
}
Rotate(modelViewShadow, 1.0, 0.0, 0.0, rotateModelWithLeftMouse[0]);
Rotate(modelViewShadow, 0.0, 1.0, 0.0, rotateModelWithLeftMouse[1]);
//----------------------------------------------------------------------------------------
Translate(modelViewShadow, facing_VIEW_blocks_01_POSITION[0] * scaleMoveShadows[0],
facing_VIEW_blocks_01_POSITION[1] * scaleMoveShadows[1],
facing_VIEW_blocks_01_POSITION[2] * scaleMoveShadows[2]);
//-------------------------------------------------------
Rotate(modelViewShadow, facing_VIEW_blocks_01_ROTATE[0],
facing_VIEW_blocks_01_ROTATE[1],
facing_VIEW_blocks_01_ROTATE[2],
facing_VIEW_blocks_01_ROTATE[3]);
//-------------------------------------------------------
Scale(modelViewShadow, scaleShadowSize,
scaleShadowSize,
scaleShadowSize);
//------------------------------------------------------------------------------------------------
MultiplyMatrix(mvpMatrix, ProjectionShadow, modelViewShadow);
//---------------------------------------------------------------------------------------------------------------------------------------------------|__DRAW
glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 44, BUFFER_OFFSET(0));
glEnableVertexAttribArray(0);
glVertexAttribPointer(1, 3, GL_FLOAT, GL_FALSE, 44, BUFFER_OFFSET(12));
glEnableVertexAttribArray(1);
glVertexAttribPointer(2, 3, GL_FLOAT, GL_FALSE, 44, BUFFER_OFFSET(24));
glEnableVertexAttribArray(2);
glVertexAttribPointer(3, 2, GL_FLOAT, GL_FALSE, 44, BUFFER_OFFSET(36));
glEnableVertexAttribArray(3);
//--------------------------------------------------------------------------------------------------
glUniformMatrix4fv(UNIFORM_MODELVIEWPROJ_shadow_44bit_Stride, 1, 0, mvpMatrix);
//--------------------------------------------------------------------------------------------------
glDrawElements(GL_TRIANGLES, 60, GL_UNSIGNED_INT, 0);
void Ex06_02::InitGL()
{
if (! LoadGL() )
return;
ShaderInfo base_shaders[] = {
{ GL_VERTEX_SHADER, "Shaders/sh06_02.vert" },
{ GL_FRAGMENT_SHADER, "Shaders/sh06_02.frag" },
{ GL_NONE, NULL }
};
base_prog = LoadShaders( base_shaders );
glGenBuffers(1, &quad_vbo);
glBindBuffer(GL_ARRAY_BUFFER, quad_vbo);
static const GLfloat quad_data[] =
{
0.75f, -0.75f,
-0.75f, -0.75f,
-0.75f, 0.75f,
0.75f, 0.75f,
0.0f, 0.0f,
1.0f, 0.0f,
1.0f, 1.0f,
0.0f, 1.0f
};
glBufferData(GL_ARRAY_BUFFER, sizeof(quad_data), quad_data, GL_STATIC_DRAW);
glGenVertexArrays(1, &vao);
glBindVertexArray(vao);
glVertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE, 0, BUFFER_OFFSET(0));
glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, 0, BUFFER_OFFSET(8 * sizeof(float)));
glEnableVertexAttribArray(0);
glEnableVertexAttribArray(1);
glLinkProgram(base_prog);
glGenTextures(1, &tex_checkerboard);
glBindTexture(GL_TEXTURE_2D, tex_checkerboard);
glTexStorage2D(GL_TEXTURE_2D, 4, GL_RGBA8, 8, 8);
// The following is an 8x8 checkerboard pattern using
// GL_RED, GL_UNSIGNED_BYTE data.
static const unsigned char tex_checkerboard_data[] =
{
0xFF, 0x00, 0xFF, 0x00, 0xFF, 0x00, 0xFF, 0x00,
0x00, 0xFF, 0x00, 0xFF, 0x00, 0xFF, 0x00, 0xFF,
0xFF, 0x00, 0xFF, 0x00, 0xFF, 0x00, 0xFF, 0x00,
0x00, 0xFF, 0x00, 0xFF, 0x00, 0xFF, 0x00, 0xFF,
0xFF, 0x00, 0xFF, 0x00, 0xFF, 0x00, 0xFF, 0x00,
0x00, 0xFF, 0x00, 0xFF, 0x00, 0xFF, 0x00, 0xFF,
0xFF, 0x00, 0xFF, 0x00, 0xFF, 0x00, 0xFF, 0x00,
0x00, 0xFF, 0x00, 0xFF, 0x00, 0xFF, 0x00, 0xFF
};
glTexSubImage2D(GL_TEXTURE_2D,
0,
0, 0,
8, 8,
GL_RED, GL_UNSIGNED_BYTE,
tex_checkerboard_data);
static const GLint swizzles[] = { GL_RED, GL_RED, GL_RED, GL_ONE };
glTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_RGBA, swizzles);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glGenerateMipmap(GL_TEXTURE_2D);
glGenTextures(1, &tex_color);
glBindTexture(GL_TEXTURE_2D, tex_color);
glTexStorage2D(GL_TEXTURE_2D, 2, GL_RGBA32F, 2, 2);
// The following data represents a 2x2 texture with red,
// green, blue, and yellow texels represented as GL_RGBA,
// GL_FLOAT data.
static const GLfloat tex_color_data[] =
{
// Red texel Green texel
1.0f, 0.0f, 0.0f, 1.0f, 0.0f, 1.0f, 0.0f, 1.0f,
// Blue texel Yellow texel
0.0f, 0.0f, 1.0f, 1.0f, 1.0f, 1.0f, 0.0f, 1.0f
};
glTexSubImage2D(GL_TEXTURE_2D, // target
0, // First mipmap level
0, 0, // x and y offset
2, 2, // width and height
GL_RGBA, GL_FLOAT, // format and type
tex_color_data); // data
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glGenerateMipmap(GL_TEXTURE_2D);
}
// OpenGL initialization
void
init()
{
/**
*** Create and initialize buffer objects
**/
glGenBuffers( 4, buffers );
//Vertex buffer for the vertex coordinates
glBindBuffer( GL_ARRAY_BUFFER, buffers[cube_vertices] );
glBufferData( GL_ARRAY_BUFFER, sizeof(vertices), vertices, GL_STATIC_DRAW );
glBindBuffer( GL_ARRAY_BUFFER, buffers[cube_vertices_explicit] );
glBufferData( GL_ARRAY_BUFFER, sizeof(cube_vertices_positions), cube_vertices_positions, GL_STATIC_DRAW );
std::cout<< "sizeof(cube_vertices_positions)" << sizeof(cube_vertices_positions) << std::endl;
//Elements buffer for the pointers
glBindBuffer( GL_ELEMENT_ARRAY_BUFFER, buffers[cube_indeces] );
glBufferData( GL_ELEMENT_ARRAY_BUFFER, sizeof(indices), indices, GL_STATIC_DRAW);
glGenVertexArrays(2, VAO);
// Load shaders and use the resulting shader programs
program[0] = InitShader( "./shaders/vshader30_TwoCubes_FullPipe.glsl", "./shaders/fshader30_TwoCubes.glsl" );
program[1] = InitShader( "./shaders/skyboxvertex.glsl", "./shaders/skyboxfragment.glsl" );
//VAO[1] the skybox
glUseProgram( program[1] );
glBindVertexArray(VAO[1]);
glBindBuffer( GL_ARRAY_BUFFER, buffers[cube_vertices_explicit] );
vPosition = glGetAttribLocation( program[1], "vPosition" );
glEnableVertexAttribArray( vPosition );
glVertexAttribPointer( vPosition, 4, GL_FLOAT, GL_FALSE, 0, BUFFER_OFFSET(0) );
//done with this packet
glBindVertexArray(0);
glUseProgram(0);
//VAO[0] the Cube
glUseProgram( program[0] );
glBindVertexArray(VAO[0]);
glBindBuffer( GL_ARRAY_BUFFER, buffers[cube_vertices] );
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, buffers[cube_indeces]);
vPosition = glGetAttribLocation( program[0], "vPosition" );
glEnableVertexAttribArray( vPosition );
glVertexAttribPointer( vPosition, 4, GL_FLOAT, GL_FALSE, 0, BUFFER_OFFSET(0) );
//done with this packet
glBindVertexArray(0);
glUseProgram(0);
//Skybox textures
//Load Skybox Images. 6 images to represent the 6 angles of view. Inside it's own structured Cubemap
skybox.top = glmReadPPM("skybox\\sky-top.ppm", &skybox.topWidth, &skybox.topHeight);
skybox.bottom = glmReadPPM("skybox\\sky-bottom.ppm", &skybox.bottomWidth, &skybox.bottomHeight);
skybox.right = glmReadPPM("skybox\\sky-right.ppm", &skybox.rightWidth, &skybox.rightHeight);
skybox.left = glmReadPPM("skybox\\sky-left.ppm", &skybox.leftWidth, &skybox.leftHeight);
skybox.front = glmReadPPM("skybox\\sky-front.ppm", &skybox.frontWidth, &skybox.frontHeight);
skybox.back = glmReadPPM("skybox\\sky-back.ppm", &skybox.backWidth, &skybox.backHeight);
glActiveTexture(GL_TEXTURE0);
glGenTextures(1, &texture);
int isEnabled=0;
if (glIsEnabled(GL_TEXTURE_CUBE_MAP) == GL_TRUE) {isEnabled = 1;} else {isEnabled = 0;};
std::cout << isEnabled << std::endl;
glEnable(GL_TEXTURE_CUBE_MAP);
if (glIsEnabled(GL_TEXTURE_CUBE_MAP) == GL_TRUE) {isEnabled = 1;} else {isEnabled = 0;};
std::cout << isEnabled << std::endl;
glBindTexture(GL_TEXTURE_CUBE_MAP, texture);
glTexParameterf(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameterf(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameterf(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameterf(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexParameterf(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_R, GL_CLAMP_TO_EDGE);
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_GENERATE_MIPMAP, GL_TRUE);
glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_Y, 0, GL_RGB, skybox.topWidth, skybox.topHeight, 0,
GL_RGB, GL_UNSIGNED_BYTE,skybox.top);
glTexImage2D(GL_TEXTURE_CUBE_MAP_NEGATIVE_Y, 0, GL_RGB, skybox.bottomWidth, skybox.bottomHeight, 0,
GL_RGB, GL_UNSIGNED_BYTE,skybox.bottom);
glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_X, 0, GL_RGB, skybox.rightWidth, skybox.rightHeight, 0,
GL_RGB, GL_UNSIGNED_BYTE,skybox.right);
glTexImage2D(GL_TEXTURE_CUBE_MAP_NEGATIVE_X, 0, GL_RGB, skybox.leftWidth, skybox.rightWidth, 0,
GL_RGB, GL_UNSIGNED_BYTE,skybox.left);
glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_Z, 0, GL_RGB, skybox.frontWidth, skybox.frontHeight, 0,
GL_RGB, GL_UNSIGNED_BYTE,skybox.front);
glTexImage2D(GL_TEXTURE_CUBE_MAP_NEGATIVE_Z, 0, GL_RGB, skybox.backWidth, skybox.backHeight, 0,
GL_RGB, GL_UNSIGNED_BYTE,skybox.back);
glGenerateMipmap(GL_TEXTURE_CUBE_MAP);
glClearColor( 1.0, 1.0, 1.0, 0.0 );
glClearDepth( 1.0 );
glEnable( GL_DEPTH_TEST );
glDepthFunc(GL_LEQUAL);
}
bool initVertexArray()
{
bool Validated(true);
glGenVertexArrays(1, &VertexArrayName);
glBindVertexArray(VertexArrayName);
glBindBuffer(GL_ARRAY_BUFFER, BufferName[buffer::VERTEX]);
glVertexAttribPointer(semantic::attr::POSITION, 2, GL_FLOAT, GL_FALSE, sizeof(glf::vertex_v2fv2f), BUFFER_OFFSET(0));
glVertexAttribPointer(semantic::attr::TEXCOORD, 2, GL_FLOAT, GL_FALSE, sizeof(glf::vertex_v2fv2f), BUFFER_OFFSET(sizeof(glm::vec2)));
glBindBuffer(GL_ARRAY_BUFFER, 0);
glEnableVertexAttribArray(semantic::attr::POSITION);
glEnableVertexAttribArray(semantic::attr::TEXCOORD);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, BufferName[buffer::ELEMENT]);
glBindVertexArray(0);
return Validated;
}
void CRenderingContext::SetBitangentsBuffer(size_t iOffset, size_t iStride)
{
if (m_pShader->m_iBitangentAttribute == ~0)
return;
TAssert(iOffset%4 == 0); // Should be multiples of four because it's offsets in bytes and we're always working with floats or doubles
glEnableVertexAttribArray(m_pShader->m_iBitangentAttribute);
glVertexAttribPointer(m_pShader->m_iBitangentAttribute, 3, GL_FLOAT, false, iStride, BUFFER_OFFSET(iOffset));
}
Sphere::Sphere(Scenegraph *graph,string name)
:Object(graph,name)
{
float theta,phi;
int STACKS=100;
int i,j;
int SLICES = 100;
float PI = 3.14159f;
float cosphi,sinphi,costheta,sintheta;
VertexAttribs v;
/*
*A sphere is drawn using vertices in polar coordinates. Polar coordinates are in terms of the radiu
*, latitude and longitude. STACKS controls how many latitudes, and SLICES controls how many longitudes
* are being used to draw this sphere.
*/
//prepare the vertex data
for (i=0;i<=STACKS;i++)
{
phi = -PI/2 + i*PI/STACKS;
cosphi = cos(phi);
sinphi = sin(phi);
for (j=0;j<=SLICES;j++)
{
theta = 2*j*PI/SLICES;
costheta = cos(theta);
sintheta = sin(theta);
v.position[0] = cosphi*costheta;
v.position[1] = sinphi;
v.position[2] = -cosphi*sintheta;
v.position[3] = 1;
v.normal[0] = cosphi*costheta;
v.normal[1] = sinphi;
v.normal[2] = -cosphi*sintheta;
v.normal[3] = 0;
v.texcoords[0] = theta/(2*PI);
v.texcoords[1] = (phi+0.5f*PI)/PI;
vertexData.push_back(v);
}
}
//now prepare the triangle index list
//this is simple enough. Just imagine drawing each quad in the sphere as two triangles
//triangle 1: (i,j), (i,j+1) and (i+1,j+1)
//triangle 2: (i,j), (i+1,j+1) and (i+1,j)
//It is a good habit to specify all triangles in counter-clockwise order as OpenGL uses by default the order
//to determine front-facing vs. back-facing if culling is enabled
for (i=0;i<STACKS;i++)
{
for (j=0;j<SLICES;j++)
{
triangleIndices.push_back(i*(SLICES+1)+j);
triangleIndices.push_back(i*(SLICES+1)+j+1);
triangleIndices.push_back((i+1)*(SLICES+1)+j+1);
triangleIndices.push_back(i*(SLICES+1)+j);
triangleIndices.push_back((i+1)*(SLICES+1)+j+1);
triangleIndices.push_back((i+1)*(SLICES+1)+j);
}
}
/*
*Bind the VAO as the current VAO, so that all subsequent commands affect it
*/
glBindVertexArray(VAO);
/*
*Allocate the VBO for vertex data and send it to the GPU
*/
glBindBuffer(GL_ARRAY_BUFFER,buffers[VertexBuffer]);
glBufferData(GL_ARRAY_BUFFER,sizeof(VertexAttribs)*vertexData.size(),&vertexData[0],GL_STATIC_DRAW);
/*
*Allocate the VBO for triangle indices and send it to GPU
*/
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, buffers[IndexBuffer]);
glBufferData(GL_ELEMENT_ARRAY_BUFFER, sizeof(GLuint)*triangleIndices.size(), &triangleIndices[0], GL_STATIC_DRAW);
/*
*Specify all the vertex attribute pointers, i.e. tell OpenGL how to organize data according to attributes rather than vertices
*/
//first enable the correct VBO, since the "current" is the VBO for triangle indices
glBindBuffer(GL_ARRAY_BUFFER,buffers[VertexBuffer]);
//VertexData starts with position, so starting byte is 0
glVertexAttribPointer(vPosition,4,GL_FLOAT,GL_FALSE,sizeof(VertexAttribs),BUFFER_OFFSET(0));
//In VertexData, normal follows the position (4 floats), so start reading normals from 4*sizeof(float)
glVertexAttribPointer(vNormal,4,GL_FLOAT,GL_FALSE,sizeof(VertexAttribs),BUFFER_OFFSET(4*sizeof(float)));
//In VertexData, texture coordinates follow the position and normal (8 floats), so start reading texture coordinates from 8*sizeof(float)
glVertexAttribPointer(vTexCoord,2,GL_FLOAT,GL_FALSE,sizeof(VertexAttribs),BUFFER_OFFSET(8*sizeof(float)));
//enable the vertex attribute arrays
glEnableVertexAttribArray(vPosition);
glEnableVertexAttribArray(vNormal);
glEnableVertexAttribArray(vTexCoord);
/*
*Unbind the VAO to prevent accidental change to all the settings
*so at this point, this VAO has two VBOs and two enabled VertexAttribPointers.
* It is going to remember all of that!
*/
glBindVertexArray(0);
numIndices = triangleIndices.size();
triangleIndices.clear();
vertexData.clear();
}
bool ProxyTexture::Init(__in const char* vCmdLine[], __in const int iCmdCount,
__in const int iWidth, __in const int iHeight){
if(!NX::Application::Init(vCmdLine, iCmdCount, iWidth, iHeight)){
return false;
}
GLuint ProxyId;
glGenTextures(1, &ProxyId);
glActiveTexture(GL_TEXTURE1);
glBindTexture(GL_PROXY_TEXTURE_2D, ProxyId);
glTexImage2D(GL_PROXY_TEXTURE_2D, 0, GL_RGBA, 1024, 1024, 0, GL_RGBA, GL_UNSIGNED_BYTE, BUFFER_OFFSET(0));
GLint maxTexWidth;
glGetTexLevelParameteriv(GL_PROXY_TEXTURE_2D, 0, GL_TEXTURE_WIDTH, &maxTexWidth);
if(maxTexWidth){
NX::glb_GetLog().logToConsole("create succeed");
}else{
NX::glb_GetLog().logToConsole("create failed");
}
return true;
}
// OpenGL initialization
void
init()
{
// Subdivide a tetrahedron into a sphere
tetrahedron( NumTimesToSubdivide );
// Create a vertex array object
GLuint vao;
glGenVertexArrays( 1, &vao );
glBindVertexArray( vao );
// Create and initialize a buffer object
GLuint buffer;
glGenBuffers( 1, &buffer );
glBindBuffer( GL_ARRAY_BUFFER, buffer );
glBufferData( GL_ARRAY_BUFFER, sizeof(points) + sizeof(normals),
NULL, GL_STATIC_DRAW );
glBufferSubData( GL_ARRAY_BUFFER, 0, sizeof(points), points );
glBufferSubData( GL_ARRAY_BUFFER, sizeof(points),
sizeof(normals), normals );
// Load shaders and use the resulting shader program
GLuint program = InitShader( "vshader_a7.glsl", "fshader_a7.glsl" );
glUseProgram( program );
// set up vertex arrays
GLuint vPosition = glGetAttribLocation( program, "vPosition" );
glEnableVertexAttribArray( vPosition );
glVertexAttribPointer( vPosition, 4, GL_FLOAT, GL_FALSE, 0,
BUFFER_OFFSET(0) );
GLuint vNormal = glGetAttribLocation( program, "vNormal" );
glEnableVertexAttribArray( vNormal );
glVertexAttribPointer( vNormal, 3, GL_FLOAT, GL_FALSE, 0,
BUFFER_OFFSET(sizeof(points)) );
// Initialize shader lighting parameters
point4 light_position( 0.0, 0.0, 2.0, 0.0 );
color4 light_ambient( 0.2, 0.2, 0.2, 1.0 );
color4 light_diffuse( 1.0, 1.0, 1.0, 1.0 );
color4 light_specular( 1.0, 1.0, 1.0, 1.0 );
color4 material_ambient( 1.0, 0.0, 1.0, 1.0 );
color4 material_diffuse( 1.0, 0.8, 0.0, 1.0 );
color4 material_specular( 1.0, 0.0, 1.0, 1.0 );
float material_shininess = 5.0;
color4 ambient_product = light_ambient * material_ambient;
color4 diffuse_product = light_diffuse * material_diffuse;
color4 specular_product = light_specular * material_specular;
glUniform4fv( glGetUniformLocation(program, "AmbientProduct"),
1, ambient_product );
glUniform4fv( glGetUniformLocation(program, "DiffuseProduct"),
1, diffuse_product );
glUniform4fv( glGetUniformLocation(program, "SpecularProduct"),
1, specular_product );
glUniform4fv( glGetUniformLocation(program, "LightPosition"),
1, light_position );
glUniform1f( glGetUniformLocation(program, "Shininess"),
material_shininess );
// Retrieve transformation uniform variable locations
ModelView = glGetUniformLocation( program, "ModelView" );
Projection = glGetUniformLocation( program, "Projection" );
glEnable( GL_DEPTH_TEST );
glClearColor( 1.0, 1.0, 1.0, 1.0 ); /* white background */
}
VertexFormatToAttrOffsetsMap Mesh::createVertexFormatToAttrOffsetsMap() {
VertexFormatToAttrOffsetsMap formatToOffsetMap;
byte* start;
VertexPos vtPos;
start = (byte*)&vtPos;
AttrToOffsetMap mapPos;
mapPos[kPosIndex] = BUFFER_OFFSET((byte*)&(vtPos.position) - start);
formatToOffsetMap[VT_Pos] = mapPos;
VertexPosUV vtPosUV;
start = (byte*)&vtPosUV;
AttrToOffsetMap mapPosUV;
mapPosUV[kPosIndex] = BUFFER_OFFSET((byte*)&(vtPosUV.position) - start);
mapPosUV[kTexCoordIndex] = BUFFER_OFFSET((byte*)&(vtPosUV.texcoord) - start);
formatToOffsetMap[VT_PosUV] = mapPosUV;
VertexPosColor vtPosColor;
start = (byte*)&vtPosColor;
AttrToOffsetMap mapPosColor;
mapPosColor[kPosIndex] = BUFFER_OFFSET((byte*)&(vtPosColor.position) - start);
mapPosColor[kColorIndex] = BUFFER_OFFSET((byte*)&(vtPosColor.color) - start);
formatToOffsetMap[VT_PosColor] = mapPosColor;
VertexPosUVColor vtPosUVColor;
start = (byte*)&vtPosUVColor;
AttrToOffsetMap mapPosUVColor;
mapPosUVColor[kPosIndex] = BUFFER_OFFSET((byte*)&(vtPosUVColor.position) - start);
mapPosUVColor[kTexCoordIndex] = BUFFER_OFFSET((byte*)&(vtPosUVColor.texcoord) - start);
mapPosUVColor[kColorIndex] = BUFFER_OFFSET((byte*)&(vtPosUVColor.color) - start);
formatToOffsetMap[VT_PosUVColor] = mapPosUVColor;
VertexSkinned vtSkinned;
start = (byte*)&vtSkinned;
AttrToOffsetMap mapSkinned;
mapSkinned[kPosIndex] = BUFFER_OFFSET((byte*)&(vtSkinned.position) - start);
mapSkinned[kTexCoordIndex] = BUFFER_OFFSET((byte*)&(vtSkinned.texcoord) - start);
mapSkinned[kColorIndex] = BUFFER_OFFSET((byte*)&(vtSkinned.color) - start);
mapSkinned[kBlendIndicesIndex] = BUFFER_OFFSET((byte*)&(vtSkinned.blendindices) - start);
mapSkinned[kBlendWeightsIndex] = BUFFER_OFFSET((byte*)&(vtSkinned.blendweights) - start);
formatToOffsetMap[VT_Skinned] = mapSkinned;
return formatToOffsetMap;
}
void Grid::uploadGeometry()
{
const int ColorOffset = 0;
const int PositionOffset = sizeof( Color4 );
const int TexCoordOffset = sizeof( Color4 ) + sizeof( Point );
const unsigned int POSITION_INDEX = 0;
const unsigned int COLOR0_INDEX = 3;
const unsigned int TEXCOORD_INDEX = 8;
/// Generate and bind vertex array object for the grid
glGenVertexArrays(1, g_vao);
(Logger::Instance()).checkAndReportGLError("Failed to generate Vertex Arrays",'e',4,__LINE__,__FILE__);
glBindVertexArray( g_vao[0] );
(Logger::Instance()).checkAndReportGLError("Failed to bind Vertex Arrays",'e',4,__LINE__,__FILE__);
/// Generate buffer objects for vertices and indices
glGenTextures(1, texName);
(Logger::Instance()).checkAndReportGLError(" failed to gen textures",'e',4,__LINE__,__FILE__);
glBindTexture(GL_TEXTURE_2D, texName[0]);
(Logger::Instance()).checkAndReportGLError(" fail 2d ",'e',4,__LINE__,__FILE__);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
(Logger::Instance()).checkAndReportGLError(" fail wrap s",'e',4,__LINE__,__FILE__);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
(Logger::Instance()).checkAndReportGLError(" fail wrap t",'e',4,__LINE__,__FILE__);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
if(tgaObj.pixelSizeInBytes == 3)
{
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, tgaObj.width,
tgaObj.height, 0, GL_BGR, GL_UNSIGNED_BYTE,
tgaObj.data);
(Logger::Instance()).checkAndReportGLError(" fail image 2d ",'e',4,__LINE__,__FILE__);
}
else
{
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, tgaObj.width,
tgaObj.height, 0, GL_BGRA, GL_UNSIGNED_BYTE,
tgaObj.data);
(Logger::Instance()).checkAndReportGLError(" fail image 2d ",'e',4,__LINE__,__FILE__);
}
glGenBuffers( NUM_BUFFERS, vbo );
(Logger::Instance()).checkAndReportGLError("Failed to generate Buffer objects",'e',4,__LINE__,__FILE__);
/// Bind vertex buffer object
glBindBuffer( GL_ARRAY_BUFFER, vbo[VBO] );
(Logger::Instance()).checkAndReportGLError("Failed to bind Vertex Buffer object",'e',4,__LINE__,__FILE__);
glBufferData(
GL_ARRAY_BUFFER,
sizeof(Vertex) * totVertices,
reinterpret_cast<const GLvoid*>( g_VertexArray ),
GL_STATIC_DRAW );
(Logger::Instance()).checkAndReportGLError("Failed to provide Vertex Buffer data",'e',4,__LINE__,__FILE__);
glVertexAttribPointer(
POSITION_INDEX,
3,
GL_FLOAT,
GL_FALSE,
sizeof( Vertex ),
BUFFER_OFFSET( PositionOffset ) );
(Logger::Instance()).checkAndReportGLError("Failed to run glVertexAttribPointer for vertex position",'e',4,__LINE__,__FILE__);
glEnableVertexAttribArray( POSITION_INDEX );
(Logger::Instance()).checkAndReportGLError("Failed to enable VertexAttribArray for vertex position",'e',4,__LINE__,__FILE__);
glVertexAttribPointer(
COLOR0_INDEX,
4,
GL_UNSIGNED_BYTE,
GL_TRUE,
sizeof( Vertex ),
BUFFER_OFFSET( ColorOffset ) );
(Logger::Instance()).checkAndReportGLError("Failed to run glVertexAttribPointer for color",'e',4,__LINE__,__FILE__);
glEnableVertexAttribArray( COLOR0_INDEX );
(Logger::Instance()).checkAndReportGLError("Failed to enable VertexAttribArray for color",'e',4,__LINE__,__FILE__);
glVertexAttribPointer(
TEXCOORD_INDEX,
2,
GL_FLOAT,
GL_FALSE,
sizeof( Vertex ),
BUFFER_OFFSET( TexCoordOffset ) );
(Logger::Instance()).checkAndReportGLError("Failed to run glVertexAttribPointer for TexCoord",'e',4,__LINE__,__FILE__);
glEnableVertexAttribArray( TEXCOORD_INDEX );
(Logger::Instance()).checkAndReportGLError("Failed to enable VertexAttribArray for TexCoord",'e',4,__LINE__,__FILE__);
/// Bind Index buffer object
glBindBuffer( GL_ELEMENT_ARRAY_BUFFER, vbo[IBO] );
(Logger::Instance()).checkAndReportGLError("Failed to bind Index Buffer object",'e',4,__LINE__,__FILE__);
glBufferData(
GL_ELEMENT_ARRAY_BUFFER,
sizeof(GLushort) * NUMBER_OF_INDICES,
reinterpret_cast<const GLvoid*>( g_indices ),
GL_STATIC_DRAW );
(Logger::Instance()).checkAndReportGLError("Failed to provide buffer data for indices",'e',4,__LINE__,__FILE__);
}
KIL_UINT32 RendererPrimitive::Create( const KIL_BYTE *p_pVertices,
const KIL_UINT16 *p_pIndices, const KIL_MEMSIZE p_VertexCount,
const KIL_MEMSIZE p_IndexCount,
const VertexAttributes &p_VertexAttributes,
const PRIMITIVE_TYPE p_Type )
{
if( p_pVertices == KIL_NULL )
{
return KIL_FAIL;
}
if( p_pIndices == KIL_NULL )
{
return KIL_FAIL;
}
switch( p_Type )
{
case PRIMITIVE_TYPE_TRIANGLE_LIST:
{
m_PolygonCount = p_IndexCount / 3;
m_GLType = GL_TRIANGLES;
break;
}
case PRIMITIVE_TYPE_TRIANGLE_STRIP:
{
m_PolygonCount = p_IndexCount - 2;
m_GLType = GL_TRIANGLE_STRIP;
break;
}
case PRIMITIVE_TYPE_TRIANGLE_FAN:
{
m_PolygonCount = p_IndexCount - 2;
m_GLType = GL_TRIANGLE_FAN;
break;
}
case PRIMITIVE_TYPE_LINE_LIST:
{
m_PolygonCount = p_IndexCount / 2;
m_GLType = GL_LINES;
break;
}
case PRIMITIVE_TYPE_LINE_STRIP:
{
m_PolygonCount = p_IndexCount - 1;
m_GLType = GL_LINE_STRIP;
break;
}
case PRIMITIVE_TYPE_LINE_LOOP:
{
m_PolygonCount = p_IndexCount;
m_GLType = GL_LINE_LOOP;
break;
}
case PRIMITIVE_TYPE_UNKNOWN:
{
return KIL_FAIL;
}
}
if( m_PolygonCount == 0 )
{
return KIL_FAIL;
}
m_Stride = p_VertexAttributes.GetStride( );
glGenBuffers( 1, &m_VertexBufferObject );
glGenBuffers( 1, &m_IndexBufferObject );
glGenVertexArrays( 1, &m_VertexArrayObject );
glBindVertexArray( m_VertexArrayObject );
glBindBuffer( GL_ARRAY_BUFFER, m_VertexBufferObject );
glBindBuffer( GL_ELEMENT_ARRAY_BUFFER, m_IndexBufferObject );
KIL_MEMSIZE Offset = 0;
KIL_SINT32 PositionOffset = -1;
KIL_SINT32 NormalsOffset = -1;
for( KIL_MEMSIZE Index = 0;
Index < p_VertexAttributes.GetVertexAttributeCount( ); ++Index )
{
KIL_MEMSIZE Dimension = 0;
KIL_MEMSIZE TypeSize = 0;
GLenum Type = GL_INVALID_ENUM;
struct VERTEXATTRIBUTE Attribute =
p_VertexAttributes.GetAttributeAt( Index );
Type = ConvertVertexAttributeToGLenum( Attribute );
TypeSize = ConvertVertexAttributeToSize( Attribute );
Dimension = ConvertVertexAttributeToElementCount( Attribute );
if( Attribute.Intent == VERTEXATTRIBUTE_INTENT_POSITION )
{
PositionOffset = Offset;
}
if( Attribute.Intent == VERTEXATTRIBUTE_INTENT_NORMAL )
{
NormalsOffset = Offset;
}
glVertexAttribPointer( Index, Dimension, Type, GL_FALSE,
m_Stride, BUFFER_OFFSET( Offset ) );
Offset += TypeSize;
glEnableVertexAttribArray( Index );
}
glBufferData( GL_ARRAY_BUFFER, p_VertexCount * m_Stride,
p_pVertices, GL_STATIC_DRAW );
GLenum Error = glGetError( );
if( Error == GL_OUT_OF_MEMORY )
{
this->Destroy( );
return KIL_FAIL;
}
glBufferData( GL_ELEMENT_ARRAY_BUFFER,
p_IndexCount * sizeof( KIL_UINT16 ), p_pIndices, GL_STATIC_DRAW );
Error = glGetError( );
if( Error == GL_OUT_OF_MEMORY )
{
this->Destroy( );
return KIL_FAIL;
}
m_VertexCount = p_VertexCount;
m_IndexCount = p_IndexCount;
glBindVertexArray( 0 );
glBindBuffer( GL_ARRAY_BUFFER, 0 );
glBindBuffer( GL_ELEMENT_ARRAY_BUFFER, 0 );
if( ( NormalsOffset != -1 ) && ( PositionOffset != -1 ) )
{
glGenBuffers( 1, &m_NormalsVertexBufferObject );
glGenBuffers( 1, &m_NormalsIndexBufferObject );
glGenVertexArrays( 1, &m_NormalsVertexArrayObject );
glBindVertexArray( m_NormalsVertexArrayObject );
glBindBuffer( GL_ARRAY_BUFFER, m_NormalsVertexBufferObject );
glBindBuffer( GL_ELEMENT_ARRAY_BUFFER,
m_NormalsIndexBufferObject );
glVertexAttribPointer( 0, 3, GL_FLOAT, GL_FALSE, 0,
BUFFER_OFFSET( 0 ) );
glEnableVertexAttribArray( 0 );
struct NORMALPOSITION
{
KIL_FLOAT32 Start[ 3 ];
KIL_FLOAT32 End[ 3 ];
};
struct NORMALPOSITION *pNormalPosition =
new NORMALPOSITION[ m_VertexCount ];
for( KIL_MEMSIZE Vertex = 0; Vertex < m_VertexCount; ++Vertex )
{
memcpy( pNormalPosition[ Vertex ].Start,
p_pVertices + ( Vertex * m_Stride ) + PositionOffset, 12 );
memcpy( pNormalPosition[ Vertex ].End,
p_pVertices + ( Vertex * m_Stride ) + NormalsOffset, 12 );
Vector3 Normal( pNormalPosition[ Vertex ].End[ 0 ],
pNormalPosition[ Vertex ].End[ 1 ],
pNormalPosition[ Vertex ].End[ 2 ] );
Vector3 Position( pNormalPosition[ Vertex ].Start[ 0 ],
pNormalPosition[ Vertex ].Start[ 1 ],
pNormalPosition[ Vertex ].Start[ 2 ] );
Normal += Position;
memcpy( pNormalPosition[ Vertex ].End, &Normal, 12 );
}
KIL_UINT16 *pNormalsIndices = new KIL_UINT16[ m_VertexCount * 2 ];
for( KIL_MEMSIZE Index = 0; Index < m_VertexCount * 2; ++Index )
{
pNormalsIndices[ Index ] = Index;
}
glBufferData( GL_ARRAY_BUFFER,
m_VertexCount * sizeof( struct NORMALPOSITION ),
pNormalPosition, GL_STATIC_DRAW );
glBufferData( GL_ELEMENT_ARRAY_BUFFER, sizeof( KIL_UINT16 ) *
m_VertexCount * 2, pNormalsIndices, GL_STATIC_DRAW );
glBindVertexArray( 0 );
glBindBuffer( GL_ARRAY_BUFFER, 0 );
glBindBuffer( GL_ELEMENT_ARRAY_BUFFER, 0 );
SafeDeleteArray< KIL_UINT16 >( pNormalsIndices );
SafeDeleteArray< NORMALPOSITION >( pNormalPosition );
}
if( PositionOffset != -1 )
{
glGenBuffers( 1, &m_WireframeVertexBufferObject );
glGenBuffers( 1, &m_WireframeIndexBufferObject );
glGenVertexArrays( 1, &m_WireframeVertexArrayObject );
glBindVertexArray( m_WireframeVertexArrayObject );
glBindBuffer( GL_ARRAY_BUFFER, m_WireframeVertexBufferObject );
glBindBuffer( GL_ELEMENT_ARRAY_BUFFER,
m_WireframeIndexBufferObject );
glVertexAttribPointer( 0, 3, GL_FLOAT, GL_FALSE, 0,
BUFFER_OFFSET( 0 ) );
glEnableVertexAttribArray( 0 );
struct POSITION
{
KIL_FLOAT32 Position[ 3 ];
};
struct POSITION *pPosition = new POSITION[ m_VertexCount ];
for( KIL_MEMSIZE Vertex = 0; Vertex < m_VertexCount; ++Vertex )
{
memcpy( pPosition[ Vertex ].Position,
p_pVertices + ( Vertex * m_Stride ) + PositionOffset, 12 );
}
glBufferData( GL_ARRAY_BUFFER,
m_VertexCount * sizeof( struct POSITION ), pPosition,
GL_STATIC_DRAW );
glBufferData( GL_ELEMENT_ARRAY_BUFFER,
sizeof( KIL_UINT16 ) * p_IndexCount, p_pIndices,
GL_STATIC_DRAW );
glBindVertexArray( 0 );
glBindBuffer( GL_ARRAY_BUFFER, 0 );
glBindBuffer( GL_ELEMENT_ARRAY_BUFFER, 0 );
SafeDeleteArray< POSITION >( pPosition );
}
return KIL_OK;
}
//////////////////////////////////////////////////////////////////////
// readback
//
// Code to handle reading back of the FBO data (but with a specified FBO pointer)
//
//////////////////////////////////////////////////////////////////////
bool CheckBackBuffer::readback( GLuint width, GLuint height, GLuint bufObject )
{
bool ret = false;
if (m_bUseFBO) {
if (m_bUsePBO)
{
printf("CheckBackBuffer::readback() FBO->PBO->m_pImageData\n");
// binds the PBO for readback
bindReadback();
// bind FBO buffer (we want to transfer FBO -> PBO)
glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, bufObject );
// Now initiate the readback to PBO
glReadPixels(0, 0, width, height, getPixelFormat(), GL_UNSIGNED_BYTE, BUFFER_OFFSET(0));
ret = checkStatus(__FILE__, __LINE__, true);
if (!ret) printf("CheckBackBuffer::readback() FBO->PBO checkStatus = %d\n", ret);
// map - unmap simulates readback without the copy
void *ioMem = glMapBufferARB(GL_PIXEL_PACK_BUFFER_ARB, GL_READ_ONLY_ARB);
memcpy(m_pImageData, ioMem, width*height*m_Bpp);
glUnmapBufferARB(GL_PIXEL_PACK_BUFFER_ARB);
// release the FBO
glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
// release the PBO
unbindReadback();
} else {
printf("CheckBackBuffer::readback() FBO->m_pImageData\n");
// Reading direct to FBO using glReadPixels
glBindFramebufferEXT( GL_FRAMEBUFFER_EXT, bufObject );
ret = checkStatus(__FILE__, __LINE__, true);
if (!ret) printf("CheckBackBuffer::readback::glBindFramebufferEXT() fbo=%d checkStatus = %d\n", bufObject, ret);
glReadBuffer(static_cast<GLenum>(GL_COLOR_ATTACHMENT0_EXT));
ret &= checkStatus(__FILE__, __LINE__, true);
if (!ret) printf("CheckBackBuffer::readback::glReadBuffer() fbo=%d checkStatus = %d\n", bufObject, ret);
glReadPixels(0, 0, width, height, getPixelFormat(), GL_UNSIGNED_BYTE, m_pImageData);
glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
}
} else {
printf("CheckBackBuffer::readback() PBO->m_pImageData\n");
// read from bufObject (PBO) to system memorys image
glBindBufferARB(GL_PIXEL_PACK_BUFFER_ARB, bufObject); // Bind the PBO
// map - unmap simulates readback without the copy
void *ioMem = glMapBufferARB(GL_PIXEL_PACK_BUFFER_ARB, GL_READ_ONLY_ARB);
// allocate a buffer so we can flip the image
unsigned char * temp_buf = (unsigned char *)malloc(width*height*m_Bpp);
memcpy( temp_buf, ioMem, width*height*m_Bpp );
// let's flip the image as we copy
for (unsigned int y = 0; y < height; y++) {
memcpy( (void *)&(m_pImageData[(height-y)*width*m_Bpp]), (void *)&(temp_buf[y*width*m_Bpp]), width*m_Bpp);
}
free(temp_buf);
glUnmapBufferARB(GL_PIXEL_PACK_BUFFER_ARB);
// read from bufObject (PBO) to system memory image
glBindBufferARB(GL_PIXEL_PACK_BUFFER_ARB, 0); // unBind the PBO
}
return CHECK_FBO;
}
static int get_image( mlt_frame a_frame, uint8_t **image, mlt_image_format *format, int *width, int *height, int writable )
{
int error = 0;
// Get the b frame from the stack
mlt_frame b_frame = (mlt_frame) mlt_frame_pop_frame( a_frame );
// Get the transition object
mlt_transition transition = (mlt_transition) mlt_frame_pop_service( a_frame );
// Get the properties of the transition
mlt_properties properties = MLT_TRANSITION_PROPERTIES( transition );
// Get the properties of the a frame
mlt_properties a_props = MLT_FRAME_PROPERTIES( a_frame );
// Get the movit objects
mlt_service service = MLT_TRANSITION_SERVICE( transition );
mlt_service_lock( service );
EffectChain* chain = GlslManager::get_chain( service );
MltInput* a_input = GlslManager::get_input( service );
MltInput* b_input = (MltInput*) mlt_properties_get_data( properties, "movit input B", NULL );
mlt_image_format output_format = *format;
if ( !chain || !a_input ) {
mlt_service_unlock( service );
return 2;
}
// Get the frames' textures
GLuint* texture_id[2] = {0, 0};
*format = mlt_image_glsl_texture;
mlt_frame_get_image( a_frame, (uint8_t**) &texture_id[0], format, width, height, 0 );
a_input->useFBOInput( chain, *texture_id[0] );
*format = mlt_image_glsl_texture;
mlt_frame_get_image( b_frame, (uint8_t**) &texture_id[1], format, width, height, 0 );
b_input->useFBOInput( chain, *texture_id[1] );
// Set resolution to that of the a_frame
*width = mlt_properties_get_int( a_props, "width" );
*height = mlt_properties_get_int( a_props, "height" );
// Setup rendering to an FBO
GlslManager* glsl = GlslManager::get_instance();
glsl_fbo fbo = glsl->get_fbo( *width, *height );
if ( output_format == mlt_image_glsl_texture ) {
glsl_texture texture = glsl->get_texture( *width, *height, GL_RGBA );
glBindFramebuffer( GL_FRAMEBUFFER, fbo->fbo );
check_error();
glFramebufferTexture2D( GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, texture->texture, 0 );
check_error();
glBindFramebuffer( GL_FRAMEBUFFER, 0 );
check_error();
GlslManager::render( service, chain, fbo->fbo, *width, *height );
glFinish();
check_error();
glBindFramebuffer( GL_FRAMEBUFFER, 0 );
check_error();
*image = (uint8_t*) &texture->texture;
mlt_frame_set_image( a_frame, *image, 0, NULL );
mlt_properties_set_data( properties, "movit.convert", texture, 0,
(mlt_destructor) GlslManager::release_texture, NULL );
*format = output_format;
}
else {
// Use a PBO to hold the data we read back with glReadPixels()
// (Intel/DRI goes into a slow path if we don't read to PBO)
GLenum gl_format = ( output_format == mlt_image_rgb24a || output_format == mlt_image_opengl )?
GL_RGBA : GL_RGB;
int img_size = *width * *height * ( gl_format == GL_RGB? 3 : 4 );
glsl_pbo pbo = glsl->get_pbo( img_size );
glsl_texture texture = glsl->get_texture( *width, *height, gl_format );
if ( fbo && pbo && texture ) {
// Set the FBO
glBindFramebuffer( GL_FRAMEBUFFER, fbo->fbo );
check_error();
glFramebufferTexture2D( GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, texture->texture, 0 );
check_error();
glBindFramebuffer( GL_FRAMEBUFFER, 0 );
check_error();
GlslManager::render( service, chain, fbo->fbo, *width, *height );
// Read FBO into PBO
glBindBuffer( GL_PIXEL_PACK_BUFFER_ARB, pbo->pbo );
check_error();
glBufferData( GL_PIXEL_PACK_BUFFER_ARB, img_size, NULL, GL_STREAM_READ );
check_error();
glReadPixels( 0, 0, *width, *height, gl_format, GL_UNSIGNED_BYTE, BUFFER_OFFSET(0) );
check_error();
// Copy from PBO
uint8_t* buf = (uint8_t*) glMapBuffer( GL_PIXEL_PACK_BUFFER_ARB, GL_READ_ONLY );
check_error();
*format = gl_format == GL_RGBA ? mlt_image_rgb24a : mlt_image_rgb24;
*image = (uint8_t*) mlt_pool_alloc( img_size );
mlt_frame_set_image( a_frame, *image, img_size, mlt_pool_release );
memcpy( *image, buf, img_size );
// Release PBO and FBO
glUnmapBuffer( GL_PIXEL_PACK_BUFFER_ARB );
check_error();
glBindBuffer( GL_PIXEL_PACK_BUFFER_ARB, 0 );
check_error();
glBindFramebuffer( GL_FRAMEBUFFER, 0 );
check_error();
glBindTexture( GL_TEXTURE_2D, 0 );
check_error();
GlslManager::release_texture( texture );
}
else {
error = 1;
}
}
if ( fbo ) GlslManager::release_fbo( fbo );
mlt_service_lock( service );
return error;
}
//.......................................................................................
void Font::RenderString_ss(float _x, float _y, char *_str, ...)
{
// extract arguments
char buffer[1024];
memset(buffer, 0, 1024);
va_list arglist;
if (!_str)
return;
va_start(arglist, _str);
vsprintf(buffer, _str, arglist);
va_end(arglist);
const uint8_t *p;
float x = -1 + _x * m_sx;
float y = 1 - _y * m_sy;
// Bind texture
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, m_atlasTextureID);
glUniform1i(m_uniformTex, 0);
// Select the font VBO
glBindVertexArray(m_fontVAO);
glEnableVertexAttribArray(m_attributeCoord);
glBindBuffer(GL_ARRAY_BUFFER, m_fontVBO);
glVertexAttribPointer(m_attributeCoord, 4, GL_FLOAT, GL_FALSE, 0, BUFFER_OFFSET(0));
int c = 0;
//memset(m_sTexCoords, 0, sizeof(font_point) * 256);
m_sTexCoords = new font_point[6 * strlen(buffer)];
// Loop through all characters
for (p = (const uint8_t *)buffer; *p; p++)
{
// calculate vertex and texture coordinates
float x2 = x + m_sChars[*p].bl * m_sx;
float y2 = -y - m_sChars[*p].bt * m_sy;
float w = m_sChars[*p].bw * m_sx;
float h = m_sChars[*p].bh * m_sy;
// advance cursor
x += m_sChars[*p].ax * m_sx;
y += m_sChars[*p].ay * m_sy;
// skip empty chars
if (!w || !h)
continue;
m_sTexCoords[c+0].x = x2 + w;
m_sTexCoords[c+0].y = -y2;
m_sTexCoords[c+0].s = m_sChars[*p].tx + m_sChars[*p].bw / m_iTextureWidth;
m_sTexCoords[c+0].t = m_sChars[*p].ty;
m_sTexCoords[c+1].x = x2;
m_sTexCoords[c+1].y = -y2;
m_sTexCoords[c+1].s = m_sChars[*p].tx;
m_sTexCoords[c+1].t = m_sChars[*p].ty;
m_sTexCoords[c+2].x = x2;
m_sTexCoords[c+2].y = -y2 - h;
m_sTexCoords[c+2].s = m_sChars[*p].tx;
m_sTexCoords[c+2].t = m_sChars[*p].ty + m_sChars[*p].bh / m_iTextureHeight;
m_sTexCoords[c+3].x = x2 + w;
m_sTexCoords[c+3].y = -y2;
m_sTexCoords[c+3].s = m_sChars[*p].tx + m_sChars[*p].bw / m_iTextureWidth;
m_sTexCoords[c+3].t = m_sChars[*p].ty;
m_sTexCoords[c+4].x = x2;
m_sTexCoords[c+4].y = -y2 - h;
m_sTexCoords[c+4].s = m_sChars[*p].tx;
m_sTexCoords[c+4].t = m_sChars[*p].ty + m_sChars[*p].bh / m_iTextureHeight;
m_sTexCoords[c+5].x = x2 + w;
m_sTexCoords[c+5].y = -y2 - h;
m_sTexCoords[c+5].s = m_sChars[*p].tx + m_sChars[*p].bw / m_iTextureWidth;
m_sTexCoords[c+5].t = m_sChars[*p].ty + m_sChars[*p].bh / m_iTextureHeight;
c += 6;
}
glBufferData(GL_ARRAY_BUFFER, sizeof(font_point) * c, m_sTexCoords, GL_DYNAMIC_DRAW);
glDrawArrays(GL_TRIANGLES, 0, c);
glDisableVertexAttribArray(m_attributeCoord);
glBindVertexArray(0);
// free memory
delete [] m_sTexCoords;
} // Font::RenderString_ss()
bool render()
{
glm::vec2 WindowSize(this->getWindowSize());
{
glBindBuffer(GL_UNIFORM_BUFFER, BufferName[buffer::TRANSFORM]);
glm::mat4* Pointer = (glm::mat4*)glMapBufferRange(GL_UNIFORM_BUFFER, 0, sizeof(glm::mat4),
GL_MAP_WRITE_BIT | GL_MAP_INVALIDATE_BUFFER_BIT);
glm::mat4 Projection = glm::perspectiveFov(glm::pi<float>() * 0.25f, WindowSize.x, WindowSize.y, 0.1f, 100.0f);
glm::mat4 Model = glm::mat4(1.0f);
*Pointer = Projection * this->view() * Model;
// Make sure the uniform buffer is uploaded
glUnmapBuffer(GL_UNIFORM_BUFFER);
}
glBindProgramPipeline(PipelineName[program::COMPUTE]);
glBindBufferBase(GL_SHADER_STORAGE_BUFFER, semantics::INPUT, BufferName[buffer::INPUT]);
glBindBufferBase(GL_SHADER_STORAGE_BUFFER, semantics::OUTPUT, BufferName[buffer::OUTPUT]);
glBindBufferBase(GL_UNIFORM_BUFFER, semantic::uniform::TRANSFORM0, BufferName[buffer::TRANSFORM]);
glDispatchCompute(GLuint(VertexCount), 1, 1);
glViewportIndexedf(0, 0, 0, WindowSize.x, WindowSize.y);
glClearBufferfv(GL_COLOR, 0, &glm::vec4(1.0f)[0]);
glBindProgramPipeline(PipelineName[program::GRAPHICS]);
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, TextureName);
glBindVertexArray(VertexArrayName);
glBindBufferBase(GL_UNIFORM_BUFFER, semantic::uniform::TRANSFORM0, BufferName[buffer::TRANSFORM]);
glBindBufferBase(GL_SHADER_STORAGE_BUFFER, semantics::INPUT, BufferName[buffer::OUTPUT]);
glDrawElementsInstancedBaseVertexBaseInstance(GL_TRIANGLES, ElementCount, GL_UNSIGNED_SHORT, BUFFER_OFFSET(0), 1, 0, 0);
return true;
}
bool DrawInstance::Init(const char* vCmdLine[], const int iCmdCount, const int iWidth, const int iHeight){
if(!NX::Application::Init(vCmdLine, iCmdCount, iWidth, iHeight)){
return false;
}
{//shader
m_pg = new NX::Program();
m_pg->AddShader("./RedBook/Chap3/DrawInstanceVS.glsl", GL_VERTEX_SHADER);
m_pg->AddShader("./RedBook/Chap3/DrawInstanceFS.glsl", GL_FRAGMENT_SHADER);
m_pg->LinkProgram();
m_pg->UseProgram();
}
{//vao
glGenVertexArrays(1, &vao);
glBindVertexArray(vao);
glGenBuffers(1, &vbo);
glBindBuffer(GL_ARRAY_BUFFER, vbo);
NX::float3 v = NX::float3(0.0f, 0.0f, 0.0f);
glBufferData(GL_ARRAY_BUFFER, sizeof(v), &v, GL_STATIC_DRAW);
glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 0, BUFFER_OFFSET(0));
glEnableVertexAttribArray(0);
}
{//color instance
GLuint cI;
NX::float3 Color[INSTANCE_COUNT];
for(int i = 0; i < INSTANCE_COUNT; ++i){
Color[i].r = NX::RandUnitFloat();
Color[i].g = NX::RandUnitFloat();
Color[i].b = NX::RandUnitFloat();
}
glGenBuffers(1, &cI);
glBindBuffer(GL_ARRAY_BUFFER, cI);
glBufferData(GL_ARRAY_BUFFER, sizeof(Color), Color, GL_STATIC_DRAW);
glVertexAttribPointer(1, 3, GL_FLOAT, GL_FALSE, sizeof(Color[0]), BUFFER_OFFSET(0));
glEnableVertexAttribArray(1);
glVertexAttribDivisor(1, 1);
}
{//dif
GLuint dI;
glGenBuffers(1, &dI);
glBindBuffer(GL_ARRAY_BUFFER, dI);
NX::float2 Dif[INSTANCE_COUNT];
for(int i = 0; i < INSTANCE_COUNT; ++i){
Dif[i].x = 2 * NX::RandUnitFloat() - 1;
Dif[i].y = 2 * NX::RandUnitFloat() - 1;
}
glBufferData(GL_ARRAY_BUFFER, sizeof(Dif), Dif, GL_STATIC_DRAW);
glVertexAttribPointer(2, 2, GL_FLOAT, GL_FALSE, sizeof(Dif[0]), BUFFER_OFFSET(0));
glEnableVertexAttribArray(2);
glVertexAttribDivisor(2, 1);
}
{//ibo
glGenBuffers(1, &ibo);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, ibo);
GLbyte idx[] = {0};
glBufferData(GL_ELEMENT_ARRAY_BUFFER, sizeof(idx), idx, GL_STATIC_DRAW);
}
{//clear
glBindVertexArray(0);
glBindBuffer(GL_ARRAY_BUFFER, 0);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
glUseProgram(0);
}
GLint xx;
glGetIntegerv(GL_SAMPLES, &xx);
std::cout << "you know " << xx << std::endl;
return true;
}
bool initVertexArray()
{
// Build a vertex array object
glGenVertexArrays(1, &VertexArrayName);
glBindVertexArray(VertexArrayName);
glBindBuffer(GL_ARRAY_BUFFER, ArrayBufferName);
glVertexAttribPointer(semantic::attr::POSITION, 2, GL_FLOAT, GL_FALSE, sizeof(glf::vertex_v2fc4f), BUFFER_OFFSET(0));
glVertexAttribPointer(semantic::attr::COLOR, 4, GL_FLOAT, GL_FALSE, sizeof(glf::vertex_v2fc4f), BUFFER_OFFSET(sizeof(glm::vec2)));
glBindBuffer(GL_ARRAY_BUFFER, 0);
glEnableVertexAttribArray(semantic::attr::POSITION);
glEnableVertexAttribArray(semantic::attr::COLOR);
glBindVertexArray(0);
return this->checkError("initVertexArray");
}
void CRenderingContext::SetTexCoordBuffer(size_t iOffset, size_t iStride, size_t iChannel)
{
TAssert(iChannel >= 0 && iChannel < MAX_TEXTURE_CHANNELS);
if (m_pShader->m_aiTexCoordAttributes[iChannel] == ~0)
return;
TAssert(iOffset%4 == 0); // Should be multiples of four because it's offsets in bytes and we're always working with floats or doubles
glEnableVertexAttribArray(m_pShader->m_aiTexCoordAttributes[iChannel]);
glVertexAttribPointer(m_pShader->m_aiTexCoordAttributes[iChannel], 2, GL_FLOAT, false, iStride, BUFFER_OFFSET(iOffset));
}
bool initVertexArray()
{
glGenVertexArrays(vertex_format::MAX, &VertexArrayName[0]);
glBindBuffer(GL_ARRAY_BUFFER, BufferName[buffer::VERTEX]);
std::size_t CurrentOffset(0);
glBindVertexArray(VertexArrayName[vertex_format::F32]);
glVertexAttribPointer(semantic::attr::POSITION, 2, GL_FLOAT, GL_FALSE, sizeof(glm::vec2), BUFFER_OFFSET(CurrentOffset));
glEnableVertexAttribArray(semantic::attr::POSITION);
CurrentOffset += PositionSizeF32;
glBindVertexArray(VertexArrayName[vertex_format::I8]);
glVertexAttribPointer(semantic::attr::POSITION, 2, GL_BYTE, GL_FALSE, sizeof(glm::u8vec2), BUFFER_OFFSET(CurrentOffset));
glEnableVertexAttribArray(semantic::attr::POSITION);
CurrentOffset += PositionSizeI8;
glBindVertexArray(VertexArrayName[vertex_format::I32]);
glVertexAttribPointer(semantic::attr::POSITION, 2, GL_INT, GL_FALSE, sizeof(glm::i32vec2), BUFFER_OFFSET(CurrentOffset));
glEnableVertexAttribArray(semantic::attr::POSITION);
CurrentOffset += PositionSizeI32;
glBindVertexArray(VertexArrayName[vertex_format::RGB10A2]);
glVertexAttribPointer(semantic::attr::POSITION, 4, GL_INT_2_10_10_10_REV, GL_TRUE, sizeof(glm::uint), BUFFER_OFFSET(CurrentOffset));
glEnableVertexAttribArray(semantic::attr::POSITION);
CurrentOffset += PositionSizeRGB10A2;
glBindVertexArray(VertexArrayName[vertex_format::F16]);
glVertexAttribPointer(semantic::attr::POSITION, 2, GL_HALF_FLOAT, GL_FALSE, sizeof(glm::uint16) * 2, BUFFER_OFFSET(CurrentOffset));
glEnableVertexAttribArray(semantic::attr::POSITION);
CurrentOffset += PositionSizeRG11FB10F;
glBindVertexArray(VertexArrayName[vertex_format::RG11B10F]);
glVertexAttribPointer(semantic::attr::POSITION, 3, GL_UNSIGNED_INT_10F_11F_11F_REV, GL_FALSE, sizeof(glm::uint), BUFFER_OFFSET(CurrentOffset));
glEnableVertexAttribArray(semantic::attr::POSITION);
glBindVertexArray(0);
glBindBuffer(GL_ARRAY_BUFFER, 0);
return this->checkError("initVertexArray");
}
bool initVertexArray()
{
glGenVertexArrays(1, &VertexArrayName);
glBindVertexArray(VertexArrayName);
glBindBuffer(GL_ARRAY_BUFFER, BufferName[buffer::VERTEX]);
glVertexAttribPointer(semantic::attr::POSITION, 2, GL_FLOAT, GL_FALSE, sizeof(glf::vertex_v2fc4ub), BUFFER_OFFSET(0));
glVertexAttribPointer(semantic::attr::COLOR, 4, GL_UNSIGNED_BYTE, GL_TRUE, sizeof(glf::vertex_v2fc4ub), BUFFER_OFFSET(sizeof(glm::vec2)));
glBindBuffer(GL_ARRAY_BUFFER, 0);
glEnableVertexAttribArray(semantic::attr::POSITION);
glEnableVertexAttribArray(semantic::attr::COLOR);
glBindVertexArray(0);
return this->checkError("initVertexArray");
}
void myDisplay()
{
test++;
printf("myDisplay\n");
glClearColor(1.0, 0.0, 0.0, 0.0);
// glClearDepth(1.0);
glClear(GL_COLOR_BUFFER_BIT);
// glOrtho(0.0, 1.0, 0.0, 1.0, -1.0, 1.0);
// glRotatef(spin, 0.0, 0.0, 1.0);
glColor3f(1.0, 1.0, 1.0);
// glPolygonMode(GL_BACK, GL_FILL);
// glEnable(GL_CULL_FACE);
// glCullFace(GL_BACK);
GLubyte fly[] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x03, 0x80, 0x01, 0xC0, 0x06, 0xC0, 0x03, 0x60,
0x04, 0x60, 0x06, 0x20, 0x04, 0x30, 0x0C, 0x20,
0x04, 0x18, 0x18, 0x20, 0x04, 0x0C, 0x30, 0x20,
0x04, 0x06, 0x60, 0x20, 0x44, 0x03, 0xC0, 0x22,
0x44, 0x01, 0x80, 0x22, 0x44, 0x01, 0x80, 0x22,
0x44, 0x01, 0x80, 0x22, 0x44, 0x01, 0x80, 0x22,
0x44, 0x01, 0x80, 0x22, 0x44, 0x01, 0x80, 0x22,
0x66, 0x01, 0x80, 0x66, 0x33, 0x01, 0x80, 0xCC,
0x19, 0x81, 0x81, 0x98, 0x0C, 0xC1, 0x83, 0x30,
0x07, 0xe1, 0x87, 0xe0, 0x03, 0x3f, 0xfc, 0xc0,
0x03, 0x31, 0x8c, 0xc0, 0x03, 0x33, 0xcc, 0xc0,
0x06, 0x64, 0x26, 0x60, 0x0c, 0xcc, 0x33, 0x30,
0x18, 0xcc, 0x33, 0x18, 0x10, 0xc4, 0x23, 0x08,
0x10, 0x63, 0xC6, 0x08, 0x10, 0x30, 0x0c, 0x08,
0x10, 0x18, 0x18, 0x08, 0x10, 0x00, 0x00, 0x08};
// glEnable(GL_POLYGON_STIPPLE);
// glPolygonStipple(fly);
// glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
// glBegin(GL_POLYGON);
// glEdgeFlag(true);
// glVertex3f(0.25*windows_width, 0.25*windows_height, 0.0);
// glVertex3f(0.75*windows_width, 0.25*windows_height, 0.0);
// glVertex3f(0.75*windows_width, 0.75*windows_height, 0.0);
// glVertex3f(0.25*windows_width, 0.75*windows_height, 0.0);
// glEnd();
//
// glColor3f(1.0, 1.0, 0.0);
// glRectf(-0.5f*windows_width, -0.5f*windows_height,
// 0.5*windows_width, 0.5*windows_height);
// glColor3f(1.0, 1.0, 1.0);
// glLineStipple(2, 0x3F07);//0011111100000111
// glEnable(GL_LINE_STIPPLE);
// glLineWidth(5);
// glBegin(GL_LINES);
// glVertex2f(0.25*windows_width, 0.25*windows_height);
// glVertex2f(0.75*windows_width, 0.75*windows_height);
// glEnd();
// static GLint vertices[] = {25, 25,
// 100, 325,
// 175, 25,
// 175, 325,
// 250, 25,
// 325, 325};
// static GLint vertices[] = {100, 100,
// 150, 150,
// 150, 350,
// 100, 300,
// 300, 100,
// 350, 150,
// 350, 350,
// 300, 300
// };
// static GLfloat colors[] = {1.0, 0.2, 0.2,
// 0.2, 0.2, 1.0,
// 0.8, 1.0, 0.2,
// 0.75, 0.75, 0.75,
// 0.35, 0.35, 0.35,
// 0.5, 0.5, 0.5};
// glEnableClientState(GL_VERTEX_ARRAY);
// glEnableClientState(GL_COLOR_ARRAY);
//
// glColorPointer(3, GL_FLOAT, 0, colors);
// glVertexPointer(2, GL_INT, 0, vertices);
// glBegin(GL_TRIANGLES);
// glArrayElement(0);
// glArrayElement(1);
// glArrayElement(2);
// glArrayElement(3);
// glArrayElement(4);
// glArrayElement(5);
// glEnd();
// static GLubyte allIndices[] = {0,1,2,3,4,5};
// glDrawElements(GL_TRIANGLES, 6, GL_UNSIGNED_BYTE, allIndices);
// glDrawArrays(GL_TRIANGLES, 0, 6);
// static GLubyte frontIndices[] = {4, 5, 6, 7};
// static GLubyte rightIndices[] = {1, 2, 6, 5};
// static GLubyte bottomIndices[] = {0, 1, 5, 4};
// static GLubyte backIndices[] = {0, 3, 2, 1};
// static GLubyte leftIndices[] = {0, 4, 7, 3};
// static GLubyte topIndices[] = {2, 3, 7, 6};
// glLineStipple(5, 0x3F07);
// glEnable(GL_LINE_STIPPLE);
//
// glDrawElements(GL_LINE_STRIP, 4, GL_UNSIGNED_BYTE, frontIndices);
// glDrawElements(GL_LINE_STRIP, 4, GL_UNSIGNED_BYTE, rightIndices);
// glDrawElements(GL_LINE_STRIP, 4, GL_UNSIGNED_BYTE, bottomIndices);
// glDrawElements(GL_LINE_STRIP, 4, GL_UNSIGNED_BYTE, backIndices);
// glDrawElements(GL_LINE_STRIP, 4, GL_UNSIGNED_BYTE, leftIndices);
// glDrawElements(GL_LINE_STRIP, 4, GL_UNSIGNED_BYTE, topIndices);
// static GLubyte allIndices[] = {4, 5, 6, 7, 1, 2, 6, 5,
// 0, 1, 5, 4, 0, 3, 2, 1,
// 0, 4, 7, 3, 2, 3, 7, 6};
//
// glDrawElements(GL_QUADS, 24, GL_UNSIGNED_BYTE, allIndices);
GLuint buffers[NUM_BUFFERS];
GLfloat vertices[][3] = {
{ -1.0, -1.0, -1.0 },
{ 1.0, -1.0, -1.0 },
{ 1.0, 1.0, -1.0 },
{ -1.0, 1.0, -1.0 },
{ -1.0, -1.0, 1.0 },
{ 1.0, -1.0, 1.0 },
{ 1.0, 1.0, 1.0 },
{ -1.0, 1.0, 1.0 }
};
GLubyte indices[][4] = {
{ 0, 1, 2, 3 },
{ 4, 7, 6, 5 },
{ 0, 4, 5, 1 },
{ 3, 2, 6, 7 },
{ 0, 3, 7, 4 },
{ 1, 5, 6, 2 }
};
glGenBuffers(NUM_BUFFERS, buffers);
glBindBuffer(GL_ARRAY_BUFFER, buffers[VERTICES]);
glBufferData(GL_ARRAY_BUFFER, sizeof(vertices), vertices,
GL_STATIC_DRAW);
glVertexPointer(3, GL_FLOAT, 0, BUFFER_OFFSET(0));
glEnableClientState(GL_VERTEX_ARRAY);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, buffers[INDICES]);
glBufferData(GL_ELEMENT_ARRAY_BUFFER, sizeof(indices), indices,GL_STATIC_DRAW);
glDrawElements(GL_QUADS, 24, GL_UNSIGNED_BYTE,
BUFFER_OFFSET(0));
glFlush();
printf("myDisplay\n");
}
void
display( void )
{
glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
//Make sure you start with the Default Coordinate Systems
projmat=mat4(1.0);
model_view = mat4(1.0);
//Set up the camera optics
projmat = projmat*Perspective(90,1.0,0.1,20.0);
//Sky Box @ infinity
vec4 skyboxEye = vec4(0.0, 0.0, 0.0, 1.0);
model_view = LookAt(skyboxEye, skyboxEye-n, v);
glUseProgram(program[1]);
proj_loc = glGetUniformLocation(program[1], "Projection");
model_view_loc = glGetUniformLocation(program[1], "ModelView");
glUniformMatrix4fv(proj_loc, 1, GL_TRUE, projmat);
glUniformMatrix4fv(model_view_loc, 1, GL_TRUE, model_view);
glUniform1i(glGetUniformLocation(program[1], "CubeMap"), 0);
glBindVertexArray(VAO[1]);
glCullFace(GL_BACK);
glDisable(GL_DEPTH_TEST);
glDepthMask(GL_FALSE);
glPolygonMode( GL_FRONT_AND_BACK, GL_FILL );
glDrawArrays(GL_QUADS, 0, 24);
glEnable(GL_DEPTH_TEST);
glDepthMask(GL_TRUE);
glUseProgram(0);
model_view = Angel::mat4(1.0);
//Render the rest of the scene
//Position and orient the camera
model_view = LookAt(eye, eye-n, v)*model_view;
//Render surface mesh
glUseProgram(program[0]);
color_loc = glGetUniformLocation(program[0], "color");
proj_loc = glGetUniformLocation(program[0], "projection");
model_view_loc = glGetUniformLocation(program[0], "modelview");
glUniformMatrix4fv(proj_loc, 1, GL_TRUE, projmat);
glUniformMatrix4fv(model_view_loc, 1, GL_TRUE, model_view);
glUniform4fv(color_loc, 1, green_transparent);
glPolygonOffset(1.0, 1.0);
glBindVertexArray(VAO[0]);
glDrawElements(GL_TRIANGLES, 36, GL_UNSIGNED_BYTE, BUFFER_OFFSET(0));
model_view = Angel::mat4(1.0);
glutSwapBuffers();
}
void StaticGeometryBuffer::bind() const
{
glBindBuffer( GL_ARRAY_BUFFER, _vertexBufferHandle );
glBindBuffer( GL_ELEMENT_ARRAY_BUFFER, _indexBufferHandle );
glEnableVertexAttribArray( VertexTags::Position );
glVertexAttribPointer(VertexTags::Position, 3, GL_FLOAT, GL_FALSE, sizeof( Vertex ), BUFFER_OFFSET( 0 ) );
int vertexProperties = getVertexProperties();
if( vertexProperties & GG::TEXCOORDS )
{
glEnableVertexAttribArray(VertexTags::Uv0);
glVertexAttribPointer(VertexTags::Uv0, 2, GL_FLOAT, GL_FALSE, sizeof( Vertex ), BUFFER_OFFSET( 3 * sizeof( float ) ) );
}
else
{
glDisableVertexAttribArray(VertexTags::Uv0 );
}
if( vertexProperties & GG::NORMALS )
{
glEnableVertexAttribArray(VertexTags::Normal );
glVertexAttribPointer(VertexTags::Normal, 3, GL_FLOAT, GL_FALSE, sizeof( Vertex ), BUFFER_OFFSET( 5 * sizeof( float ) ) );
}
else
{
glDisableVertexAttribArray(VertexTags::Normal );
}
if( vertexProperties & GG::TANGENTS )
{
glEnableVertexAttribArray(VertexTags::Tangent );
glVertexAttribPointer(VertexTags::Tangent, 3, GL_FLOAT, GL_FALSE, sizeof( Vertex ), BUFFER_OFFSET( 8 * sizeof( float ) ) );
}
else
{
glDisableVertexAttribArray(VertexTags::Tangent );
}
if( vertexProperties & GG::BITANGENTS )
{
glEnableVertexAttribArray(VertexTags::Bitangent );
glVertexAttribPointer(VertexTags::Bitangent, 3, GL_FLOAT, GL_FALSE, sizeof( Vertex ), BUFFER_OFFSET( 11 * sizeof( float ) ) );
}
else
{
glDisableVertexAttribArray(VertexTags::Bitangent );
}
if( vertexProperties & GG::COLORS )
{
glEnableVertexAttribArray(VertexTags::Color );
glVertexAttribPointer(VertexTags::Color, 4, GL_FLOAT, GL_FALSE, sizeof( Vertex ), BUFFER_OFFSET( 14 * sizeof( float ) ) );
}
else
{
glDisableVertexAttribArray(VertexTags::Color );
}
}
glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, gaussianBlurVerticalPass_fboId);//----
//-------------------------------------------------------------------------------------
glClearColor( 1.0f, 0.0f, 0.0f, 0.5f );
glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glViewport(0, 0, (GLsizei)viewWidth / resize_LIGHTS_FBO, (GLsizei)viewHeight / resize_LIGHTS_FBO);
//----------------------------------------------------------------------------------
glUseProgram(frameBufferPlane_GaussianVertical_SHADER);
glBindBuffer(GL_ARRAY_BUFFER, frameBufferPlane_VBO);
//------------------------------------------------------------------------------------------------------------------------------------
glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 20, BUFFER_OFFSET(0));
glEnableVertexAttribArray(0);
glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, 20, BUFFER_OFFSET(12));
glEnableVertexAttribArray(1);
//---------------------------------------------------------------------------------------------------------------------------------------------------|__UNIFORMS
glUniform1f (UNIFORM_blurRadius_frameBufferPlane_GaussianVertical, frameBufferPlane_GaussianVertical_blurRadius);
glUniform1f (UNIFORM_screenRatio_frameBufferPlane_GaussianVertical, screenRatio);
glUniform1i (UNIFORM_TEXTURE_frameBufferPlane_GaussianVertical, 0 );
//---------------------------------------------------------------------------------------------------------------------------------------------------|__DRAW
glDrawArrays(GL_TRIANGLES, 0, 6);
//---------------------------------------------------------------------------------------------------------------------
glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0); //--------------------------------
int main (int argc, char** argv) {
// Standard stuff...
glutInit(&argc, argv);
glutInitDisplayMode(GLUT_RGBA|GLUT_DOUBLE|GLUT_DEPTH);
glutInitWindowSize(800, 600);
glutCreateWindow("Diffuse Lighting");
glutReshapeFunc(changeViewport);
glutDisplayFunc(render);
glewInit();
initMatrices();
// Make a shader
char* vertexShaderSourceCode = readFile("vertexShader.vsh");
char* fragmentShaderSourceCode = readFile("fragmentShader.fsh");
GLuint vertShaderID = makeVertexShader(vertexShaderSourceCode);
GLuint fragShaderID = makeFragmentShader(fragmentShaderSourceCode);
shaderProgramID = makeShaderProgram(vertShaderID, fragShaderID);
// Create the "remember all"
glGenVertexArrays(1, &vao);
glBindVertexArray(vao);
glGenBuffers(1, &vbo);
glBindBuffer(GL_ARRAY_BUFFER, vbo);
// Create the buffer, but don't load anything yet
//glBufferData(GL_ARRAY_BUFFER, 7*NUM_VERTICES*sizeof(GLfloat), NULL, GL_STATIC_DRAW);
glBufferData(GL_ARRAY_BUFFER, 6*NUM_VERTICES*sizeof(GLfloat), NULL, GL_STATIC_DRAW); // NEW!! - We're only loading vertices and normals (6 elements, not 7)
// Load the vertex points
glBufferSubData(GL_ARRAY_BUFFER, 0, 3*NUM_VERTICES*sizeof(GLfloat), vertices);
// Load the colors right after that
//glBufferSubData(GL_ARRAY_BUFFER, 3*NUM_VERTICES*sizeof(GLfloat),4*NUM_VERTICES*sizeof(GLfloat), colors);
glBufferSubData(GL_ARRAY_BUFFER, 3*NUM_VERTICES*sizeof(GLfloat),3*NUM_VERTICES*sizeof(GLfloat), normals);
#ifdef USING_INDEX_BUFFER
glGenBuffers(1, &indexBufferID);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, indexBufferID);
glBufferData(GL_ELEMENT_ARRAY_BUFFER, NUM_INDICES*sizeof(GLuint), indices, GL_STATIC_DRAW);
#endif
// Find the position of the variables in the shader
positionID = glGetAttribLocation(shaderProgramID, "s_vPosition");
normalID = glGetAttribLocation(shaderProgramID, "s_vNormal");
lightID = glGetUniformLocation(shaderProgramID, "vLight"); // NEW
// ============ glUniformLocation is how you pull IDs for uniform variables===============
perspectiveMatrixID = glGetUniformLocation(shaderProgramID, "mP");
viewMatrixID = glGetUniformLocation(shaderProgramID, "mV");
modelMatrixID = glGetUniformLocation(shaderProgramID, "mM");
allRotsMatrixID = glGetUniformLocation(shaderProgramID, "mRotations"); // NEW
//=============================================================================================
glVertexAttribPointer(positionID, 3, GL_FLOAT, GL_FALSE, 0, 0);
//glVertexAttribPointer(colorID, 4, GL_FLOAT, GL_FALSE, 0, BUFFER_OFFSET(sizeof(vertices)));
glVertexAttribPointer(normalID, 3, GL_FLOAT, GL_FALSE, 0, BUFFER_OFFSET(sizeof(vertices)));
glUseProgram(shaderProgramID);
glEnableVertexAttribArray(positionID);
glEnableVertexAttribArray(normalID);
glEnable(GL_CULL_FACE); // NEW! - we're doing real 3D now... Cull (don't render) the backsides of triangles
glCullFace(GL_BACK); // Other options? GL_FRONT and GL_FRONT_AND_BACK
glEnable(GL_DEPTH_TEST);// Make sure the depth buffer is on. As you draw a pixel, update the screen only if it's closer than previous ones
glutMainLoop();
return 0;
}
bool initVertexArray()
{
glGenVertexArrays(program::MAX, &VertexArrayName[0]);
glBindVertexArray(VertexArrayName[program::TEXTURE]);
glBindBuffer(GL_ARRAY_BUFFER, BufferName[buffer::VERTEX]);
glVertexAttribPointer(semantic::attr::POSITION, 2, GL_FLOAT, GL_FALSE, sizeof(glf::vertex_v2fv2f), BUFFER_OFFSET(0));
glVertexAttribPointer(semantic::attr::TEXCOORD, 2, GL_FLOAT, GL_FALSE, sizeof(glf::vertex_v2fv2f), BUFFER_OFFSET(sizeof(glm::vec2)));
glBindBuffer(GL_ARRAY_BUFFER, 0);
glEnableVertexAttribArray(semantic::attr::POSITION);
glEnableVertexAttribArray(semantic::attr::TEXCOORD);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, BufferName[buffer::ELEMENT]);
glBindVertexArray(0);
glBindVertexArray(VertexArrayName[program::SPLASH]);
glBindVertexArray(0);
return true;
}
void RB_SurfaceVaoMdvMesh(srfVaoMdvMesh_t * surface)
{
//mdvModel_t *mdvModel;
//mdvSurface_t *mdvSurface;
refEntity_t *refEnt;
GLimp_LogComment("--- RB_SurfaceVaoMdvMesh ---\n");
if (ShaderRequiresCPUDeforms(tess.shader))
{
RB_SurfaceMesh(surface->mdvSurface);
return;
}
if(!surface->vao)
return;
//RB_CheckVao(surface->vao);
RB_EndSurface();
RB_BeginSurface(tess.shader, tess.fogNum, tess.cubemapIndex);
R_BindVao(surface->vao);
tess.useInternalVao = qfalse;
tess.numIndexes = surface->numIndexes;
tess.numVertexes = surface->numVerts;
//mdvModel = surface->mdvModel;
//mdvSurface = surface->mdvSurface;
refEnt = &backEnd.currentEntity->e;
glState.vertexAttribsInterpolation = (refEnt->oldframe == refEnt->frame) ? 0.0f : refEnt->backlerp;
if (surface->mdvModel->numFrames > 1)
{
int frameOffset, attribIndex;
vaoAttrib_t *vAtb;
glState.vertexAnimation = qtrue;
if (glRefConfig.vertexArrayObject)
{
qglBindBuffer(GL_ARRAY_BUFFER, surface->vao->vertexesVBO);
}
frameOffset = refEnt->frame * surface->vao->frameSize;
attribIndex = ATTR_INDEX_POSITION;
vAtb = &surface->vao->attribs[attribIndex];
qglVertexAttribPointer(attribIndex, vAtb->count, vAtb->type, vAtb->normalized, vAtb->stride, BUFFER_OFFSET(vAtb->offset + frameOffset));
attribIndex = ATTR_INDEX_NORMAL;
vAtb = &surface->vao->attribs[attribIndex];
qglVertexAttribPointer(attribIndex, vAtb->count, vAtb->type, vAtb->normalized, vAtb->stride, BUFFER_OFFSET(vAtb->offset + frameOffset));
attribIndex = ATTR_INDEX_TANGENT;
vAtb = &surface->vao->attribs[attribIndex];
qglVertexAttribPointer(attribIndex, vAtb->count, vAtb->type, vAtb->normalized, vAtb->stride, BUFFER_OFFSET(vAtb->offset + frameOffset));
frameOffset = refEnt->oldframe * surface->vao->frameSize;
attribIndex = ATTR_INDEX_POSITION2;
vAtb = &surface->vao->attribs[attribIndex];
qglVertexAttribPointer(attribIndex, vAtb->count, vAtb->type, vAtb->normalized, vAtb->stride, BUFFER_OFFSET(vAtb->offset + frameOffset));
attribIndex = ATTR_INDEX_NORMAL2;
vAtb = &surface->vao->attribs[attribIndex];
qglVertexAttribPointer(attribIndex, vAtb->count, vAtb->type, vAtb->normalized, vAtb->stride, BUFFER_OFFSET(vAtb->offset + frameOffset));
attribIndex = ATTR_INDEX_TANGENT2;
vAtb = &surface->vao->attribs[attribIndex];
qglVertexAttribPointer(attribIndex, vAtb->count, vAtb->type, vAtb->normalized, vAtb->stride, BUFFER_OFFSET(vAtb->offset + frameOffset));
if (!glRefConfig.vertexArrayObject)
{
attribIndex = ATTR_INDEX_TEXCOORD;
vAtb = &surface->vao->attribs[attribIndex];
qglVertexAttribPointer(attribIndex, vAtb->count, vAtb->type, vAtb->normalized, vAtb->stride, BUFFER_OFFSET(vAtb->offset));
}
}
RB_EndSurface();
// So we don't lerp surfaces that shouldn't be lerped
glState.vertexAnimation = qfalse;
}
bool initVertexArray()
{
glGenVertexArrays(1, &VertexArrayName);
glBindVertexArray(VertexArrayName);
glBindBuffer(GL_ARRAY_BUFFER, BufferName[buffer::VERTEX]);
glVertexAttribPointer(semantic::attr::POSITION, 2, GL_FLOAT, GL_FALSE, sizeof(glm::vec2), BUFFER_OFFSET(0));
glBindBuffer(GL_ARRAY_BUFFER, 0);
glEnableVertexAttribArray(semantic::attr::POSITION);
glBindVertexArray(0);
return true;
}
bool initVertexArray()
{
glGenVertexArrays(1, &VertexArrayName);
glBindVertexArray(VertexArrayName);
glBindBuffer(GL_ARRAY_BUFFER, BufferName[buffer::VERTEX]);
glVertexAttribPointer(semantic::attr::POSITION + 0, 2, GL_FLOAT, GL_FALSE,(GLint) sizeof(glf::vertex_v2fc4d), BUFFER_OFFSET(0));
glVertexAttribPointer(semantic::attr::POSITION + 1, 2, GL_FLOAT, GL_FALSE,(GLint) sizeof(glf::vertex_v2fc4d), BUFFER_OFFSET(0));
glVertexAttribLPointer(semantic::attr::COLOR, 4, GL_DOUBLE, (GLint)sizeof(glf::vertex_v2fc4d), BUFFER_OFFSET(sizeof(glm::vec2)));
//glVertexAttribLPointer(semantic::attr::COLOR, 4, GL_DOUBLE, (GLint)sizeof(glf::vertex_v2fc4d), BUFFER_OFFSET(sizeof(glm::vec2)));
glBindBuffer(GL_ARRAY_BUFFER, 0);
glEnableVertexAttribArray(semantic::attr::POSITION + 0);
glEnableVertexAttribArray(semantic::attr::POSITION + 1);
glEnableVertexAttribArray(semantic::attr::COLOR);
glBindVertexArray(0);
std::vector<vertexattrib> Valid(16);
Valid[semantic::attr::POSITION + 0] = vertexattrib(GL_TRUE, 2, (GLint)sizeof(glf::vertex_v2fc4d), GL_FLOAT, GL_FALSE, GL_FALSE, GL_FALSE, 0, 0, NULL);
Valid[semantic::attr::POSITION + 1] = vertexattrib(GL_TRUE, 2, (GLint)sizeof(glf::vertex_v2fc4d), GL_FLOAT, GL_FALSE, GL_FALSE, GL_FALSE, 0, 0, NULL);
Valid[semantic::attr::COLOR] = vertexattrib(GL_TRUE, 4, (GLint)sizeof(glf::vertex_v2fc4d), GL_FLOAT, GL_FALSE, GL_FALSE, GL_FALSE, 0, 0, NULL);
//Valid[semantic::attr::COLOR] = vertexattrib(GL_TRUE, 4, (GLint)sizeof(glf::vertex_v2fc4d), GL_DOUBLE, GL_FALSE, GL_FALSE, GL_FALSE, 0, BUFFER_OFFSET(sizeof(glm::vec2)),NULL);
// TODO
//glf::validateVAO(VertexArrayName, Valid);
return true;
}