Gamp v0.0.7-36-g24b1eb6
Gamp: Graphics, Audio, Multimedia and Processing
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Functions | Variables
gamp_sdl2.cpp File Reference
#include <cstdint>
#include <jau/basic_types.hpp>
#include <jau/cow_darray.hpp>
#include <jau/debug.hpp>
#include <jau/enum_util.hpp>
#include <jau/environment.hpp>
#include <jau/fraction_type.hpp>
#include <jau/math/vec2i.hpp>
#include <jau/secmem.hpp>
#include <jau/util/VersionNumber.hpp>
#include <gamp/Gamp.hpp>
#include <gamp/GampTypes.hpp>
#include "gamp/Version.hpp"
#include <gamp/render/gl/GLLiterals.hpp>
#include <gamp/render/gl/GLTypes.hpp>
#include <gamp/render/gl/GLVersionNum.hpp>
#include <gamp/wt/event/Event.hpp>
#include <gamp/wt/Window.hpp>
#include <SDL2/SDL.h>
#include <SDL2/SDL_events.h>
#include <SDL2/SDL_timer.h>
#include <SDL2/SDL_video.h>
#include <SDL2/SDL_scancode.h>
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Functions

static void gamp_swap_gpu_buffer (bool swapAllWindows, int fps) noexcept
 
EMSCRIPTEN_KEEPALIVE int get_forced_fps () noexcept
 
static Window * getWin (Uint32 id)
 
static void on_window_resized (Window *win, int wwidth, int wheight, const jau::fraction_timespec &when, bool verbose=false) noexcept
 
static void reset_gpu_fps (int fps)
 Width of the framebuffer coordinate in pixels.
 
EMSCRIPTEN_KEEPALIVE void set_forced_fps (int v) noexcept
 
EMSCRIPTEN_KEEPALIVE void set_window_size (int ww, int wh, float devPixelRatioX, float devPixelRatioY) noexcept
 
static uint16_t to_ascii (SDL_Scancode scancode, const InputModifier &mods)
 
static std::pair< VKeyCode, InputModifier > to_VKeyCode (SDL_Scancode scancode)
 

Variables

static jau::math::Vec2f devicePixelRatio (1, 1)
 Ratio pixel-size / window-size, a DPI derivative per axis.
 
static bool gamp_show_fps = true
 
static std::atomic_bool gfx_subsystem_init = false
 
static std::atomic_bool gfx_subsystem_init_called = false
 
static jau::fraction_timespec gpu_fdur
 
static int gpu_forced_fps_ = -1
 
static float gpu_fps = 0.0f
 
static bool gpu_fps_resync = true
 
static jau::fraction_timespec gpu_fps_t0
 
static int64_t gpu_frame_count = 0
 
static jau::fraction_timespec gpu_swap_t0
 
static jau::fraction_timespec gpu_swap_t1
 
static jau::fraction_timespec init_gfx_t0
 
static int monitor_frames_per_sec =60
 
static jau::cow_darray< WindowRef > window_list
 

Function Documentation

◆ reset_gpu_fps()

static void reset_gpu_fps ( int fps)
static

Width of the framebuffer coordinate in pixels.

Framebuffer origin 0/0 is top-left corner.

Definition at line 73 of file gamp_sdl2.cpp.

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◆ on_window_resized()

static void on_window_resized ( Window * win,
int wwidth,
int wheight,
const jau::fraction_timespec & when,
bool verbose = false )
staticnoexcept

Definition at line 88 of file gamp_sdl2.cpp.

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◆ set_forced_fps()

EMSCRIPTEN_KEEPALIVE void set_forced_fps ( int v)
noexcept

Definition at line 263 of file gamp_sdl2.cpp.

◆ get_forced_fps()

EMSCRIPTEN_KEEPALIVE int get_forced_fps ( )
noexcept

Definition at line 265 of file gamp_sdl2.cpp.

◆ set_window_size()

EMSCRIPTEN_KEEPALIVE void set_window_size ( int ww,
int wh,
float devPixelRatioX,
float devPixelRatioY )
noexcept

Definition at line 267 of file gamp_sdl2.cpp.

◆ gamp_swap_gpu_buffer()

static void gamp_swap_gpu_buffer ( bool swapAllWindows,
int fps )
staticnoexcept

Definition at line 308 of file gamp_sdl2.cpp.

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◆ to_VKeyCode()

static std::pair< VKeyCode, InputModifier > to_VKeyCode ( SDL_Scancode scancode)
static

Definition at line 369 of file gamp_sdl2.cpp.

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◆ to_ascii()

static uint16_t to_ascii ( SDL_Scancode scancode,
const InputModifier & mods )
static

Definition at line 465 of file gamp_sdl2.cpp.

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◆ getWin()

static Window * getWin ( Uint32 id)
static

Definition at line 541 of file gamp_sdl2.cpp.

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Variable Documentation

◆ monitor_frames_per_sec

int monitor_frames_per_sec =60
static

Definition at line 51 of file gamp_sdl2.cpp.

◆ gpu_forced_fps_

int gpu_forced_fps_ = -1
static

Definition at line 52 of file gamp_sdl2.cpp.

◆ gpu_fps_resync

bool gpu_fps_resync = true
static

Definition at line 53 of file gamp_sdl2.cpp.

◆ gpu_fps

float gpu_fps = 0.0f
static

Definition at line 54 of file gamp_sdl2.cpp.

◆ gpu_fdur

jau::fraction_timespec gpu_fdur
static

Definition at line 55 of file gamp_sdl2.cpp.

◆ gpu_frame_count

int64_t gpu_frame_count = 0
static

Definition at line 56 of file gamp_sdl2.cpp.

◆ gpu_fps_t0

jau::fraction_timespec gpu_fps_t0
static

Definition at line 57 of file gamp_sdl2.cpp.

◆ gpu_swap_t0

jau::fraction_timespec gpu_swap_t0
static

Definition at line 58 of file gamp_sdl2.cpp.

◆ gpu_swap_t1

jau::fraction_timespec gpu_swap_t1
static

Definition at line 59 of file gamp_sdl2.cpp.

◆ devicePixelRatio

jau::math::Vec2f devicePixelRatio(1, 1) ( 1 ,
1  )
static

Ratio pixel-size / window-size, a DPI derivative per axis.

◆ window_list

jau::cow_darray<WindowRef> window_list
static

Definition at line 63 of file gamp_sdl2.cpp.

◆ gfx_subsystem_init_called

std::atomic_bool gfx_subsystem_init_called = false
static

Definition at line 138 of file gamp_sdl2.cpp.

◆ gfx_subsystem_init

std::atomic_bool gfx_subsystem_init = false
static

Definition at line 139 of file gamp_sdl2.cpp.

◆ init_gfx_t0

jau::fraction_timespec init_gfx_t0
static

Definition at line 140 of file gamp_sdl2.cpp.

◆ gamp_show_fps

bool gamp_show_fps = true
static

Definition at line 306 of file gamp_sdl2.cpp.