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breakhack
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Use SDL to detect screen dimensions 

Supports macOS, remove dependency on X11
This commit is contained in:
Cong 2018-04-28 15:05:56 +10:00
parent d77166b3fe
commit 6896308451
3 changed files with 15 additions and 38 deletions
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16
CMakeLists.txt
View File

@ -19,11 +19,6 @@ include(cmake/FindSDL2_mixer.cmake)
include(cmake/FindCCache.cmake)
include(cmake/Findcppcheck.cmake)
if (NOT WIN32)
include(FindX11)
include(cmake/FindCheck.cmake)
endif (NOT WIN32)
configure_file(
"${PROJECT_SOURCE_DIR}/src/config.h.in"
"${PROJECT_BINARY_DIR}/config.h"
@ -73,11 +68,6 @@ include_directories(
${SDL2_MIXER_INCLUDE_DIR}
)
if (NOT WIN32)
include_directories(
${X11_INCLUDE_DIR}
)
endif (NOT WIN32)
if (CHECK_FOUND)
include_directories(
${CHECK_INCLUDE_DIR}
@ -163,12 +153,6 @@ else (NOT PHYSFS_FOUND)
)
endif (NOT PHYSFS_FOUND)
if (NOT WIN32)
target_link_libraries(breakhack
${X11_LIBRARIES}
)
endif (NOT WIN32)
if (MSVC)
set_target_properties(breakhack PROPERTIES LINK_FLAGS_DEBUG "/SUBSYSTEM:CONSOLE")
set_target_properties(breakhack PROPERTIES COMPILE_DEFINITIONS_DEBUG "_CONSOLE")

13
src/main.c
View File

@ -92,6 +92,13 @@ static
bool initSDL(void)
{
int imgFlags = IMG_INIT_PNG;
if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_AUDIO) < 0)
{
error("Could not initiate SDL2: %s", SDL_GetError());
return false;
}
Dimension dim = getScreenDimensions();
if (dim.height > 1080) {
@ -104,12 +111,6 @@ bool initSDL(void)
info("Scaling by %f", renderScale);
}
if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_AUDIO) < 0)
{
error("Could not initiate SDL2: %s", SDL_GetError());
return false;
}
if ( (IMG_Init(imgFlags) & imgFlags) == 0 ) {
error("Unable to initiate img loading: %s",
IMG_GetError());

24
src/screenresolution.c
View File

@ -17,28 +17,20 @@
*/
#include "defines.h"
#include "util.h"
#ifndef _WIN32
#include <X11/Xlib.h>
#else // _WIN32
#include <windows.h>
#endif // _WIN32
#include <stdlib.h>
#include <SDL_video.h>
#include "screenresolution.h"
Dimension getScreenDimensions(void)
{
#ifndef _WIN32
Display *d = XOpenDisplay(NULL);
Screen *s = DefaultScreenOfDisplay(d);
Dimension dim = (Dimension) { s->width, s->height };
free(d);
free(s);
#else // _WIN32
Dimension dim = (Dimension) { GetSystemMetrics(SM_CXSCREEN), GetSystemMetrics(SM_CYSCREEN) };
#endif // _WIN32
SDL_DisplayMode dm;
if (SDL_GetCurrentDisplayMode(0, &dm) != 0)
{
error("SDL_GetDesktopDisplayMode failed: %s", SDL_GetError());
}
Dimension dim = (Dimension) { dm.w, dm.h };
return dim;
}