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linux: thread memory, dpi

master
insofaras 2016-06-01 17:58:57 +01:00
parent e1a03017e8
commit 74a734fd46
1 changed files with 80 additions and 45 deletions
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125
linux_4ed.cpp
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@ -72,6 +72,36 @@
#include "system_shared.h"
//
// Linux macros
//
#define LINUX_MAX_PASTE_CHARS 0x10000L
#define FPS 60L
#define frame_useconds (1000000UL / FPS)
#define LinuxGetMemory(size) LinuxGetMemory_(size, __LINE__, __FILE__)
#if FRED_INTERNAL
#define LINUX_FN_DEBUG(fmt, ...) do { \
fprintf(stderr, "%s: " fmt "\n", __func__, ##__VA_ARGS__); \
} while(0)
#else
#define LINUX_FN_DEBUG(fmt, ...)
#endif
#if (__cplusplus <= 199711L)
#define static_assert(x, ...)
#endif
#if defined(_BSD_SOURCE) || defined(_SVID_SOURCE) || _POSIX_C_SOURCE >= 200809L || _XOPEN_SOURCE >= 700
#define OLD_STAT_NANO_TIME 0
#else
#define OLD_STAT_NANO_TIME 1
#endif
#define SUPPORT_DPI 1
//
// Linux structs / enums
//
@ -175,6 +205,10 @@ struct Linux_Vars{
Partition font_part;
#if SUPPORT_DPI
i32 dpi_x, dpi_y;
#endif
Plat_Settings settings;
System_Functions system;
App_Functions app;
@ -190,34 +224,6 @@ struct Linux_Vars{
Linux_Coroutine *coroutine_free;
};
//
// Linux macros
//
#define LINUX_MAX_PASTE_CHARS 0x10000L
#define FPS 60L
#define frame_useconds (1000000UL / FPS)
#define LinuxGetMemory(size) LinuxGetMemory_(size, __LINE__, __FILE__)
#if FRED_INTERNAL
#define LINUX_FN_DEBUG(fmt, ...) do { \
fprintf(stderr, "%s: " fmt "\n", __func__, ##__VA_ARGS__); \
} while(0)
#else
#define LINUX_FN_DEBUG(fmt, ...)
#endif
#if (__cplusplus <= 199711L)
#define static_assert(x, ...)
#endif
#if defined(_BSD_SOURCE) || defined(_SVID_SOURCE) || _POSIX_C_SOURCE >= 200809L || _XOPEN_SOURCE >= 700
#define OLD_STAT_NANO_TIME 0
#else
#define OLD_STAT_NANO_TIME 1
#endif
//
// Linux globals
//
@ -913,13 +919,21 @@ internal void*
ThreadProc(void* arg){
Thread_Context *thread = (Thread_Context*)arg;
Work_Queue *queue = linuxvars.queues + thread->group_id;
Thread_Group* group = linuxvars.groups + thread->group_id;
Thread_Group *group = linuxvars.groups + thread->group_id;
i32 thread_index = thread->id - 1;
i32 cancel_lock = group->cancel_lock0 + thread_index;
i32 cancel_cv = group->cancel_cv0 + thread_index;
Thread_Memory *thread_memory = linuxvars.thread_memory + thread_index;
if (thread_memory->size == 0){
i32 new_size = Kbytes(64);
thread_memory->data = LinuxGetMemory(new_size);
thread_memory->size = new_size;
}
for (;;){
u32 read_index = queue->read_position;
u32 write_index = queue->write_position;
@ -943,20 +957,7 @@ ThreadProc(void* arg){
if (safe_running_thread == THREAD_NOT_ASSIGNED){
thread->job_id = full_job->id;
thread->running = 1;
Thread_Memory *thread_memory = 0;
// TODO(allen): remove memory_request
if (full_job->job.memory_request != 0){
thread_memory = linuxvars.thread_memory + thread->id - 1;
if (thread_memory->size < full_job->job.memory_request){
if (thread_memory->data){
LinuxFreeMemory(thread_memory->data);
}
i32 new_size = LargeRoundUp(full_job->job.memory_request, Kbytes(4));
thread_memory->data = LinuxGetMemory(new_size);
thread_memory->size = new_size;
}
}
full_job->job.callback(&linuxvars.system, thread, thread_memory, full_job->job.data);
full_job->running_thread = 0;
thread->running = 0;
@ -1131,6 +1132,15 @@ INTERNAL_Sys_Debug_Message_Sig(internal_debug_message){
#include "system_shared.cpp"
#include "4ed_rendering.cpp"
internal f32
size_change(i32 dpi_x, i32 dpi_y){
// TODO(allen): We're just hoping dpi_x == dpi_y for now I guess.
f32 size_x = linuxvars.dpi_x / 96.f;
f32 size_y = linuxvars.dpi_y / 96.f;
f32 size_max = Max(size_x, size_y);
return(size_max);
}
internal
Font_Load_Sig(system_draw_font_load){
b32 success = 0;
@ -1144,6 +1154,10 @@ Font_Load_Sig(system_draw_font_load){
i32 oversample = 2;
#if SUPPORT_DPI
pt_size = ROUND32(pt_size * size_change(linuxvars.dpi_x, linuxvars.dpi_y));
#endif
for(; attempts < 3; ++attempts){
success = draw_font_load(
&linuxvars.font_part,
@ -2062,7 +2076,7 @@ LinuxX11WindowInit(int argc, char** argv, int* WinWidth, int* WinHeight)
internal void
LinuxHandleX11Events(void)
{
XEvent PrevEvent = {};
static XEvent PrevEvent = {};
b32 should_step = 0;
while(XPending(linuxvars.XDisplay))
@ -2412,7 +2426,7 @@ main(int argc, char **argv)
linuxvars.target.max = Mbytes(1);
linuxvars.target.push_buffer = (byte*)system_get_memory(linuxvars.target.max);
//
// Read command line
//
@ -2520,7 +2534,7 @@ main(int argc, char **argv)
linuxvars.coroutine_data[i].next = linuxvars.coroutine_data + i + 1;
}
const size_t stack_size = Mbytes(16);
const size_t stack_size = Mbytes(2);
for (i32 i = 0; i < ArrayCount(linuxvars.coroutine_data); ++i){
linuxvars.coroutine_data[i].stack.ss_size = stack_size;
linuxvars.coroutine_data[i].stack.ss_sp = system_get_memory(stack_size);
@ -2624,6 +2638,27 @@ main(int argc, char **argv)
XCreateFontCursor(linuxvars.XDisplay, XC_sb_v_double_arrow)
};
//
// DPI
//
#if SUPPORT_DPI
{
int scr = DefaultScreen(linuxvars.XDisplay);
int dw = DisplayWidth(linuxvars.XDisplay, scr);
int dh = DisplayHeight(linuxvars.XDisplay, scr);
int dw_mm = DisplayWidthMM(linuxvars.XDisplay, scr);
int dh_mm = DisplayHeightMM(linuxvars.XDisplay, scr);
linuxvars.dpi_x = dw_mm ? dw / (dw_mm / 25.4) : 96;
linuxvars.dpi_y = dh_mm ? dh / (dh_mm / 25.4) : 96;
fprintf(stderr, "%dx%d - %dmmx%dmm DPI: %dx%d\n", dw, dh, dw_mm, dh_mm, linuxvars.dpi_x, linuxvars.dpi_y);
}
#endif
//
// Epoll init
//