Moved gfx low level interface into sdl2_sys crate

Progresses on Rust-SDL2#647

Author: jonemil

Cargo.toml

@@ -37,7 +37,7 @@ optional = true
 
 unsafe_textures = []
 default = []
-gfx = ["c_vec"]
+gfx = ["c_vec", "sdl2-sys/gfx"]
 mixer = ["sdl2-sys/mixer"]
 image = ["sdl2-sys/image"]
 ttf = ["sdl2-sys/ttf"]

sdl2-sys/Cargo.toml

@@ -53,3 +53,4 @@ bundled = ["cmake", "reqwest", "tar", "flate2"]
 mixer = []
 image = []
 ttf = []
+gfx = []

sdl2-sys/build.rs

@@ -231,6 +231,15 @@ fn link_sdl2(target_os: &str) {
                 println!("cargo:rustc-flags=-l framework=SDL2_ttf");
             }
         }
+        if cfg!(feature = "gfx") {
+            if cfg!(any(target_os="linux", target_os="freebsd")) {
+                println!("cargo:rustc-flags=-l SDL2_gfx");
+            } else if cfg!(target_os="windows") {
+                println!("cargo:rustc-flags=-l SDL2_gfx");
+            } else if cfg!(any(target_os="macos", feature="use_mac_framework")) {
+                println!("cargo:rustc-flags=-l framework=SDL2_gfx");
+            }
+        }
     }
 }
 

sdl2-sys/src/gfx/framerate.rs

@@ -0,0 +1,18 @@
+/* automatically generated by rust-bindgen */
+
+use ::std::os::raw::*;
+#[repr(C)]
+pub struct FPSmanager {
+    pub framecount: c_uint,
+    pub rateticks: c_float,
+    pub baseticks: c_uint,
+    pub lastticks: c_uint,
+    pub rate: c_uint,
+}
+extern "C" {
+    pub fn SDL_initFramerate(manager: *mut FPSmanager);
+    pub fn SDL_setFramerate(manager: *mut FPSmanager, rate: c_uint) -> c_int;
+    pub fn SDL_getFramerate(manager: *mut FPSmanager) -> c_int;
+    pub fn SDL_getFramecount(manager: *mut FPSmanager) -> c_int;
+    pub fn SDL_framerateDelay(manager: *mut FPSmanager) -> c_uint;
+}

sdl2-sys/src/gfx/imagefilter.rs

@@ -0,0 +1,75 @@
+use ::std::os::raw::*;
+extern "C" {
+    pub fn SDL_imageFilterMMXdetect() -> c_int;
+    pub fn SDL_imageFilterMMXoff();
+    pub fn SDL_imageFilterMMXon();
+    pub fn SDL_imageFilterAdd(Src1: *mut u8, Src2: *mut u8,
+                              Dest: *mut u8, length: c_uint) -> c_int;
+    pub fn SDL_imageFilterMean(Src1: *mut u8, Src2: *mut u8,
+                               Dest: *mut u8, length: c_uint) -> c_int;
+    pub fn SDL_imageFilterSub(Src1: *mut u8, Src2: *mut u8,
+                              Dest: *mut u8, length: c_uint) -> c_int;
+    pub fn SDL_imageFilterAbsDiff(Src1: *mut u8, Src2: *mut u8,
+                                  Dest: *mut u8, length: c_uint) ->
+        c_int;
+    pub fn SDL_imageFilterMult(Src1: *mut u8, Src2: *mut u8,
+                               Dest: *mut u8, length: c_uint) -> c_int;
+    pub fn SDL_imageFilterMultNor(Src1: *mut u8, Src2: *mut u8,
+                                  Dest: *mut u8, length: c_uint) ->
+        c_int;
+    pub fn SDL_imageFilterMultDivby2(Src1: *mut u8, Src2: *mut u8,
+                                     Dest: *mut u8, length: c_uint) ->
+        c_int;
+    pub fn SDL_imageFilterMultDivby4(Src1: *mut u8, Src2: *mut u8,
+                                     Dest: *mut u8, length: c_uint) ->
+        c_int;
+    pub fn SDL_imageFilterBitAnd(Src1: *mut u8, Src2: *mut u8,
+                                 Dest: *mut u8, length: c_uint) -> c_int;
+    pub fn SDL_imageFilterBitOr(Src1: *mut u8, Src2: *mut u8,
+                                Dest: *mut u8, length: c_uint) -> c_int;
+    pub fn SDL_imageFilterDiv(Src1: *mut u8, Src2: *mut u8,
+                              Dest: *mut u8, length: c_uint) -> c_int;
+    pub fn SDL_imageFilterBitNegation(Src1: *mut u8, Dest: *mut u8,
+                                      length: c_uint) -> c_int;
+    pub fn SDL_imageFilterAddByte(Src1: *mut u8, Dest: *mut u8,
+                                  length: c_uint, C: u8) -> c_int;
+    pub fn SDL_imageFilterAddUint(Src1: *mut u8, Dest: *mut u8,
+                                  length: c_uint, C: c_uint) -> c_int;
+    pub fn SDL_imageFilterAddByteToHalf(Src1: *mut u8,
+                                        Dest: *mut u8, length: c_uint,
+                                        C: u8) -> c_int;
+    pub fn SDL_imageFilterSubByte(Src1: *mut u8, Dest: *mut u8,
+                                  length: c_uint, C: u8) -> c_int;
+    pub fn SDL_imageFilterSubUint(Src1: *mut u8, Dest: *mut u8,
+                                  length: c_uint, C: c_uint) -> c_int;
+    pub fn SDL_imageFilterShiftRight(Src1: *mut u8, Dest: *mut u8,
+                                     length: c_uint, N: u8) -> c_int;
+    pub fn SDL_imageFilterShiftRightUint(Src1: *mut u8,
+                                         Dest: *mut u8, length: c_uint,
+                                         N: u8) -> c_int;
+    pub fn SDL_imageFilterMultByByte(Src1: *mut u8, Dest: *mut u8,
+                                     length: c_uint, C: u8) -> c_int;
+    pub fn SDL_imageFilterShiftRightAndMultByByte(Src1: *mut u8,
+                                                  Dest: *mut u8,
+                                                  length: c_uint, N: u8,
+                                                  C: u8) -> c_int;
+    pub fn SDL_imageFilterShiftLeftByte(Src1: *mut u8,
+                                        Dest: *mut u8, length: c_uint,
+                                        N: u8) -> c_int;
+    pub fn SDL_imageFilterShiftLeftUint(Src1: *mut u8,
+                                        Dest: *mut u8, length: c_uint,
+                                        N: u8) -> c_int;
+    pub fn SDL_imageFilterShiftLeft(Src1: *mut u8, Dest: *mut u8,
+                                    length: c_uint, N: u8) -> c_int;
+    pub fn SDL_imageFilterBinarizeUsingThreshold(Src1: *mut u8,
+                                                 Dest: *mut u8,
+                                                 length: c_uint, T: u8)
+                                                 -> c_int;
+    pub fn SDL_imageFilterClipToRange(Src1: *mut u8, Dest: *mut u8,
+                                      length: c_uint, Tmin: u8,
+                                      Tmax: u8) -> c_int;
+    pub fn SDL_imageFilterNormalizeLinear(Src: *mut u8,
+                                          Dest: *mut u8, length: c_uint,
+                                          Cmin: c_int, Cmax: c_int,
+                                          Nmin: c_int, Nmax: c_int) -> c_int;
+}

sdl2-sys/src/gfx/mod.rs

@@ -0,0 +1,4 @@
+pub mod primitives;
+pub mod framerate;
+pub mod imagefilter;
+pub mod rotozoom;