// See method declaration for details.
void DrawPrimitivesTaskList::ExtractVertexData(VertexQueue& textured_vertex_queue, VertexQueue& colored_vertex_queue)
{
for(auto i = draw_primitives_tasks.begin(); i != draw_primitives_tasks.end(); ++i)
{
if(i->IsTextured() == true)
{
ASSERT(textured_vertex_queue.size() % 5 == 0);
i->SetBaseVertex(textured_vertex_queue.size() / 5);
i->GetVertexData(textured_vertex_queue);
}
else
{
ASSERT(colored_vertex_queue.size() % 4 == 0);
i->SetBaseVertex(textured_vertex_queue.size() / 4);
i->GetVertexData(colored_vertex_queue);
}
}
}
void GSkybox::Init(const char *pos_x, const char *neg_x, const char *pos_y, const char *neg_y, const char *pos_z, const char *neg_z, QImage::Format img_format)
{
_is_inited = true;
//QImage::Format::Format_RGB888
_cube_tex_obj.Load(pos_x,neg_x,pos_y,neg_y,pos_z,neg_z,img_format);
const char vs[] =
"#version 410\n"
"layout (location = 0) in vec3 vi_position;\n"
"layout (location = 1) in vec3 vi_color;\n"
"uniform vec3 move;\n"
"uniform float scale;\n"
"uniform vec4 color;\n"
"uniform mat4x4 view_matrix;\n"
"uniform mat4x4 projection_matrix;\n"
"out vec3 vo_tex_pos;\n"
"out vec4 vo_color;\n"
"void main(void)\n"
"{\n"
" mat4 scale_mat = mat4(scale);"
" scale_mat[3].w = 1.0f;"
" //gl_Position = scale_mat*vec4(vi_position+move,1.0);\n"
" //gl_Position = view_matrix*scale_mat*vec4(vi_position+move,1.0);\n"
" //gl_Position = projection_matrix*scale_mat*vec4(vi_position+move,1.0);\n"
" gl_Position = projection_matrix*view_matrix*scale_mat*vec4(vi_position+move,1.0);\n"
" gl_Position = gl_Position.xyww;\n"
" //vo_color = color;\n"
" vo_color = vec4(vi_color,1.0);\n"
" vo_tex_pos = vi_position;\n"
"}\n";
const char fs[] =
"#version 410\n"
"in vec3 vo_tex_pos;\n"
"in vec4 vo_color;\n"
"out vec4 fo_color;\n"
"uniform samplerCube cube_tex;\n"
"void main(void)\n"
"{\n"
" //fo_color = vo_color;\n"
" fo_color = texture(cube_tex,vo_tex_pos);\n"
"}\n";
_program = GLHelper::CreateShaderProgram(vs,fs);
glUseProgram(_program);
{
glGenVertexArrays(1,&_vertex_arr_obj);
glBindVertexArray(_vertex_arr_obj);
GLfloat* vertex_data = NULL;
GLint vertex_data_size;
GLfloat* vertex_color_data = NULL;
GLint vertex_color_data_size;
GLuint* vertex_index_data = NULL;
GLint vertex_index_data_size;
GLint vertex_pos_comp_count;
GLint vertex_color_comp_count;
GetVertexData(vertex_data,vertex_index_data,vertex_color_data,
vertex_data_size,vertex_index_data_size,vertex_color_data_size,
vertex_pos_comp_count,vertex_color_comp_count);
glGenBuffers(1,&_vertex_buffer);
glBindBuffer(GL_ARRAY_BUFFER,_vertex_buffer);
glBufferData(GL_ARRAY_BUFFER,vertex_data_size+vertex_color_data_size,NULL,GL_STATIC_DRAW);
glBufferSubData(GL_ARRAY_BUFFER,0,vertex_data_size,vertex_data);
glBufferSubData(GL_ARRAY_BUFFER,vertex_data_size,vertex_color_data_size,vertex_color_data);
glGenBuffers(1,&_vertex_index_buffer);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER,_vertex_index_buffer);
glBufferData(GL_ELEMENT_ARRAY_BUFFER,vertex_index_data_size,vertex_index_data,GL_STATIC_DRAW);
_scaleUniformLocal = GLHelper::GetUniformLocal(_program,"scale");
_colorUniformLocal = GLHelper::GetUniformLocal(_program,"color");
_moveUniformLocal = GLHelper::GetUniformLocal(_program,"move");
_cubeSamplerVarUniformLocal = GLHelper::GetUniformLocal(_program,"cube_tex");
_viewMatrixUniformLocal = GLHelper::GetUniformLocal(_program,"view_matrix");
_projectionMatrixUniformLocal = GLHelper::GetUniformLocal(_program,"projection_matrix");
glVertexAttribPointer(_kPosAttribLocal,vertex_pos_comp_count,GL_FLOAT,GL_FALSE,
0,BUFF_OFFSET(0));
glEnableVertexAttribArray(_kPosAttribLocal);
glVertexAttribPointer(_kColorAttribLocal,vertex_color_comp_count,GL_FLOAT,GL_FALSE,
0,BUFF_OFFSET(vertex_data_size));
glEnableVertexAttribArray(_kColorAttribLocal);
glUniform1i(_cubeSamplerVarUniformLocal,0);
glBindVertexArray(0);
glBindBuffer(GL_ARRAY_BUFFER,0);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER,0);
}
glUseProgram(0);
}
void GCube::Init()
{
_is_inited = true;
const char vs[] =
"#version 410\n"
"layout (location = 0) in vec3 vi_position;\n"
"layout (location = 1) in vec3 vi_color;\n"
"uniform vec3 move;\n"
"uniform float scale;\n"
"uniform vec4 color;\n"
"uniform mat4x4 view_matrix;\n"
"uniform mat4x4 projection_matrix;\n"
"out vec4 vo_color;\n"
"void main(void)\n"
"{\n"
" mat4 scale_mat = mat4(scale);\n"
" scale_mat[3].w = 1.0f;\n"
" vec4 temp_pos = scale_mat*vec4(vi_position,1.0);\n"
" temp_pos = temp_pos+vec4(move,0.0);\n"
" gl_Position = projection_matrix*view_matrix*temp_pos;\n"
" //vo_color = color;\n"
" vo_color = vec4(vi_color,1.0);\n"
"}\n";
const char fs[] =
"#version 410\n"
"in vec4 vo_color;\n"
"out vec4 fo_color;\n"
"void main(void)\n"
"{\n"
" fo_color = vo_color;\n"
"}\n";
_program = GLHelper::CreateShaderProgram(vs,fs);
glUseProgram(_program);
{
glGenVertexArrays(1,&_vertex_arr_obj);
glBindVertexArray(_vertex_arr_obj);
GLfloat* vertex_data = NULL;
GLint vertex_data_size;
GLfloat* vertex_color_data = NULL;
GLint vertex_color_data_size;
GLuint* vertex_index_data = NULL;
GLint vertex_index_data_size;
GLint vertex_pos_comp_count;
GLint vertex_color_comp_count;
GetVertexData(vertex_data,vertex_index_data,vertex_color_data,
vertex_data_size,vertex_index_data_size,vertex_color_data_size,
vertex_pos_comp_count,vertex_color_comp_count);
glGenBuffers(1,&_vertex_buffer);
glBindBuffer(GL_ARRAY_BUFFER,_vertex_buffer);
glBufferData(GL_ARRAY_BUFFER,vertex_data_size+vertex_color_data_size,NULL,GL_STATIC_DRAW);
glBufferSubData(GL_ARRAY_BUFFER,0,vertex_data_size,vertex_data);
glBufferSubData(GL_ARRAY_BUFFER,vertex_data_size,vertex_color_data_size,vertex_color_data);
glGenBuffers(1,&_vertex_index_buffer);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER,_vertex_index_buffer);
glBufferData(GL_ELEMENT_ARRAY_BUFFER,vertex_index_data_size,vertex_index_data,GL_STATIC_DRAW);
_scaleUniformLocal = GLHelper::GetUniformLocal(_program,"scale");
_colorUniformLocal = GLHelper::GetUniformLocal(_program,"color");
_moveUniformLocal = GLHelper::GetUniformLocal(_program,"move");
_viewMatrixUniformLocal = GLHelper::GetUniformLocal(_program,"view_matrix");
_projectionMatrixUniformLocal = GLHelper::GetUniformLocal(_program,"projection_matrix");
glVertexAttribPointer(_kPosAttribLocal,vertex_pos_comp_count,GL_FLOAT,GL_FALSE,
0,BUFF_OFFSET(0));
glEnableVertexAttribArray(_kPosAttribLocal);
glVertexAttribPointer(_kColorAttribLocal,vertex_color_comp_count,GL_FLOAT,GL_FALSE,
0,BUFF_OFFSET(vertex_data_size));
glEnableVertexAttribArray(_kColorAttribLocal);
glBindVertexArray(0);
glBindBuffer(GL_ARRAY_BUFFER,0);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER,0);
}
glUseProgram(0);
}
