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Code Issues 123 Wiki Activity

handle different window/framebuffer sizes

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This commit is contained in:
milek7
2021-01-24 22:00:30 +01:00
parent 34113bf7e7
commit 90a6b7c3b5
15 changed files with 138 additions and 121 deletions
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52
openglrenderer.cpp
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@@ -463,7 +463,7 @@ opengl_renderer::Render_pass( rendermode const Mode ) {
}
}
::glViewport( 0, 0, Global.iWindowWidth, Global.iWindowHeight );
::glViewport( 0, 0, Global.fb_size.x, Global.fb_size.y );
auto const skydomecolour = simulation::Environment.m_skydome.GetAverageColor();
::glClearColor( skydomecolour.x, skydomecolour.y, skydomecolour.z, 0.f ); // kolor nieba
@@ -945,7 +945,7 @@ opengl_renderer::setup_pass( renderpass_config &Config, rendermode const Mode, f
camera.projection() *=
glm::perspective(
glm::radians( Global.FieldOfView / Global.ZoomFactor ),
std::max( 1.f, (float)Global.iWindowWidth ) / std::max( 1.f, (float)Global.iWindowHeight ),
std::max( 1.f, (float)Global.window_size.x ) / std::max( 1.f, (float)Global.window_size.y ),
znear,
zfar );
/*
@@ -1083,7 +1083,7 @@ opengl_renderer::setup_pass( renderpass_config &Config, rendermode const Mode, f
camera.projection() *=
glm::perspective(
glm::radians( Global.FieldOfView / Global.ZoomFactor ),
std::max( 1.f, (float)Global.iWindowWidth ) / std::max( 1.f, (float)Global.iWindowHeight ),
std::max( 1.f, (float)Global.window_size.x ) / std::max( 1.f, (float)Global.window_size.y ),
0.1f * Global.ZoomFactor,
Config.draw_range * Global.fDistanceFactor );
break;
@@ -2887,7 +2887,7 @@ opengl_renderer::Render( TSubModel *Submodel ) {
// we're capping how much effect the distance attenuation can have, otherwise the lights get too tiny at regular distances
float const distancefactor { std::max( 0.5f, ( Submodel->fSquareMaxDist - TSubModel::fSquareDist ) / Submodel->fSquareMaxDist ) };
auto const pointsize { std::max( 3.f, 5.f * distancefactor * anglefactor ) };
auto const resolutionratio { Global.iWindowHeight / 1080.f };
// additionally reduce light strength for farther sources in rain or snow
if( Global.Overcast > 0.75f ) {
float const precipitationfactor{
@@ -2931,7 +2931,7 @@ opengl_renderer::Render( TSubModel *Submodel ) {
clamp( Global.fFogEnd / 2000, 0.f, 1.f ) )
* std::max( 1.f, Global.Overcast ) };
::glPointSize( pointsize * resolutionratio * fogfactor );
::glPointSize( pointsize * fogfactor );
::glColor4f(
lightcolor[ 0 ],
lightcolor[ 1 ],
@@ -2941,7 +2941,7 @@ opengl_renderer::Render( TSubModel *Submodel ) {
m_geometry.draw( Submodel->m_geometry.handle );
::glDepthMask( GL_TRUE );
}
::glPointSize( pointsize * resolutionratio );
::glPointSize( pointsize );
::glColor4f(
lightcolor[ 0 ],
lightcolor[ 1 ],
@@ -3997,21 +3997,18 @@ opengl_renderer::Update_Pick_Control() {
#endif
Render_pass( rendermode::pickcontrols );
// determine point to examine
glm::dvec2 mousepos;
glfwGetCursorPos( m_window, &mousepos.x, &mousepos.y );
mousepos.y = Global.iWindowHeight - mousepos.y; // cursor coordinates are flipped compared to opengl
glm::vec2 mousepos = Global.cursor_pos;
mousepos.y = Global.window_size.y - mousepos.y; // cursor coordinates are flipped compared to opengl
#ifdef EU07_USE_PICKING_FRAMEBUFFER
glm::ivec2 pickbufferpos;
if( true == m_framebuffersupport ) {
// ::glReadBuffer( GL_COLOR_ATTACHMENT0_EXT );
pickbufferpos = glm::ivec2{
mousepos.x * EU07_PICKBUFFERSIZE / std::max( 1, Global.iWindowWidth ),
mousepos.y * EU07_PICKBUFFERSIZE / std::max( 1, Global.iWindowHeight ) };
pickbufferpos = mousepos * glm::vec2(EU07_PICKBUFFERSIZE) / glm::vec2(Global.window_size);
}
else {
// ::glReadBuffer( GL_BACK );
pickbufferpos = glm::ivec2{ mousepos };
pickbufferpos = mousepos * glm::vec2(Global.fb_size) / glm::vec2(Global.window_size);
}
#else
// ::glReadBuffer( GL_BACK );
@@ -4048,22 +4045,18 @@ opengl_renderer::Update_Pick_Node() {
#endif
Render_pass( rendermode::pickscenery );
// determine point to examine
glm::dvec2 mousepos;
glfwGetCursorPos( m_window, &mousepos.x, &mousepos.y );
mousepos.y = Global.iWindowHeight - mousepos.y; // cursor coordinates are flipped compared to opengl
glm::vec2 mousepos = Global.cursor_pos;
mousepos.y = Global.window_size.y - mousepos.y; // cursor coordinates are flipped compared to opengl
#ifdef EU07_USE_PICKING_FRAMEBUFFER
glm::ivec2 pickbufferpos;
if( true == m_framebuffersupport ) {
// ::glReadBuffer( GL_COLOR_ATTACHMENT0_EXT );
pickbufferpos = glm::ivec2{
mousepos.x * EU07_PICKBUFFERSIZE / Global.iWindowWidth,
mousepos.y * EU07_PICKBUFFERSIZE / Global.iWindowHeight
};
pickbufferpos = mousepos * glm::vec2(EU07_PICKBUFFERSIZE) / glm::vec2(Global.window_size);
}
else {
// ::glReadBuffer( GL_BACK );
pickbufferpos = glm::ivec2{ mousepos };
pickbufferpos = mousepos * glm::vec2(Global.fb_size) / glm::vec2(Global.window_size);
}
#else
// ::glReadBuffer( GL_BACK );
@@ -4095,11 +4088,9 @@ opengl_renderer::Update_Pick_Node() {
glm::dvec3
opengl_renderer::Update_Mouse_Position() {
glm::dvec2 mousepos;
Application.get_cursor_pos( mousepos.x, mousepos.y );
// glfwGetCursorPos( m_window, &mousepos.x, &mousepos.y );
mousepos.x = clamp<int>( mousepos.x, 0, Global.iWindowWidth - 1 );
mousepos.y = clamp<int>( Global.iWindowHeight - clamp<int>( mousepos.y, 0, Global.iWindowHeight ), 0, Global.iWindowHeight - 1 ) ;
glm::ivec2 mousepos = Global.cursor_pos * Global.fb_size / Global.window_size;
mousepos.x = clamp<int>( mousepos.x, 0, Global.fb_size.x - 1 );
mousepos.y = clamp<int>( Global.fb_size.y - mousepos.y, 0, Global.fb_size.y - 1 ) ;
GLfloat pointdepth;
::glReadPixels( mousepos.x, mousepos.y, 1, 1, GL_DEPTH_COMPONENT, GL_FLOAT, &pointdepth );
@@ -4109,7 +4100,7 @@ opengl_renderer::Update_Mouse_Position() {
glm::vec3{ mousepos, pointdepth },
glm::mat4{ glm::mat3{ m_colorpass.camera.modelview() } },
m_colorpass.camera.projection(),
glm::vec4{ 0, 0, Global.iWindowWidth, Global.iWindowHeight } );
glm::vec4{ 0, 0, Global.fb_size.x, Global.fb_size.y } );
}
return m_colorpass.camera.position() + glm::dvec3{ m_worldmousecoordinates };
@@ -4363,8 +4354,9 @@ opengl_renderer::Init_caps() {
}
#endif
WriteLog( "Supported extensions: \n"
+ std::string((char *)glGetString( GL_EXTENSIONS )) );
char* extensions = (char*)glGetString( GL_EXTENSIONS );
if (extensions)
WriteLog( "Supported extensions: \n" + std::string(extensions));
WriteLog( std::string("render path: ") + ( Global.bUseVBO ? "VBO" : "Display lists" ) );
if( GL_EXT_framebuffer_object ) {
@@ -4420,7 +4412,7 @@ opengl_renderer::Init_caps() {
WriteLog( "using multisampling x" + std::to_string( 1 << Global.iMultisampling ) );
}
WriteLog( "main window size: " + std::to_string( Global.iWindowWidth ) + "x" + std::to_string( Global.iWindowHeight ) );
WriteLog( "main window size: " + std::to_string( Global.fb_size.x ) + "x" + std::to_string( Global.fb_size.y ) );
return true;
}