feat: implemented create and update texture

@@ -366,3 +366,3 @@
     const atlas = c.SDL_CreateTexture(
         self.renderer,
-        c.SDL_PIXELFORMAT_RGBA8888,
+        c.c.SDLPIXELFORMAT_RGBA8888,

@@ -401,2 +401,4 @@
     });
 }
+
+const PixelAccess = enum {

@@ -403,0 +407,4 @@
+    target,
+};
+
+pub fn createTexture(

@@ -403,0 +409,4 @@
+
+pub fn createTexture(
+    self: *Sdl2Platform,
+    width: c_int,

@@ -403,0 +411,4 @@
+    self: *Sdl2Platform,
+    width: c_int,
+    height: c_int,
+    pixel_format: util.PixelFormat,

@@ -403,0 +430,4 @@
+    ) orelse return error.CreateTexture;
+    errdefer c.SDL_DestroyTexture(texture);
+
+    if (c.SDL_SetTextureBlendMode(texture, c.SDL_BLENDMODE_BLEND) != 0) return error.CreateTexture;

@@ -22,2 +22,4 @@
     return .{ .width = @intCast(w), .height = @intCast(h) };
 }
+
+pub fn updateTexture(self: *Sdl2Texture, comptime T: type, pixels: []const T, pitch: c_int) !void {

@@ -23,1 +23,4 @@
 }
+
+pub fn updateTexture(self: *Sdl2Texture, comptime T: type, pixels: []const T, pitch: c_int) !void {
+    if (c.SDL_UpdateTexture(self.tex, null, pixels.ptr, pitch) != 0) return error.UpdateTexture;

@@ -413,2 +413,4 @@
     };
 }
+
+pub const PixelFormat = enum {

@@ -415,0 +458,4 @@
+    NV21,
+};
+
+pub fn toSdlPixelFormat(pixel_format: PixelFormat) c_int {

@@ -402,1 +402,4 @@
 }
+const CreateTextureOptions = struct {
+    width: c_int,
+    height: c_int,

@@ -403,0 +405,4 @@
+    height: c_int,
+    pixel_format: Sdl2Texture.PixelFormat,
+    pixel_access: Sdl2Texture.PixelAccess = .static,
+    blend_mode: Sdl2Texture.TextureBlendMode = .none,

@@ -403,0 +418,4 @@
+    ) orelse return error.CreateTexture;
+    errdefer c.SDL_DestroyTexture(texture);
+
+    if (c.SDL_SetTextureBlendMode(texture, options.blend_mode) != 0) return error.CreateTexture;

@@ -22,2 +80,4 @@
     return .{ .width = @intCast(w), .height = @intCast(h) };
 }
+
+pub fn updateTexture(self: *Sdl2Texture, pixels: []const u8, pitch: u31, rect: ?zenolith.layout.Rectangle) !void {

@@ -23,1 +81,4 @@
 }
+
+pub fn updateTexture(self: *Sdl2Texture, pixels: []const u8, pitch: u31, rect: ?zenolith.layout.Rectangle) !void {
+    if (c.SDL_UpdateTexture(self.tex, rect, pixels.ptr, pitch) != 0) return error.UpdateTexture;

@@ -413,2 +413,4 @@
     };
 }
+
+pub const PixelFormat = enum(c_int) {

@@ -31,3 +33,3 @@
 
 pub fn deinit(self: *Sdl2Font) void {
-    c.SDL_DestroyTexture(self.atlas);
+    c.SDL_DestroyTexture(self.atlas.tex);

@@ -403,0 +406,4 @@
+pub fn createTexture(self: Sdl2Platform, options: CreateTextureOptions) !Texture {
+    const texture = c.SDL_CreateTexture(
+        self.renderer,
+        @intCast(@intFromEnum(options.pixel_format)),

@@ -403,0 +411,4 @@
+        options.size.width,
+        options.size.height,
+    ) orelse return error.CreateTexture;
+    errdefer c.SDL_DestroyTexture(texture);

@@ -11,2 +12,4 @@
 const Sdl2Texture = @This();
 
+/// removed 32 formats as some of them are the same values
+/// as 8888 formats

@@ -22,2 +79,4 @@
     return .{ .width = @intCast(w), .height = @intCast(h) };
 }
+
+pub fn setPixels(self: *Sdl2Texture, pixels: []const u8, pitch: u31, rect: ?zenolith.layout.Rectangle) !void {

@@ -24,0 +83,4 @@
+    std.debug.assert(pixels.len % pitch == 0);
+
+    const rec = if (rect) |r| util.toSdlRect(r) else null;
+    if (c.SDL_UpdateTexture(self.tex, @ptrCast(&rec), pixels.ptr, pitch) != 0) return error.UpdateTexture;

@@ -24,0 +86,4 @@
+    if (c.SDL_UpdateTexture(self.tex, @ptrCast(&rec), pixels.ptr, pitch) != 0) return error.UpdateTexture;
+}
+
+pub fn setBlendMode(self: *Sdl2Texture, blend_mode: TextureBlendMode) !void {

@@ -3,6 +3,7 @@ const std = @import("std");
 const zenolith = @import("zenolith");
 
 const c = @import("ffi.zig").c;
+const util = @import("util.zig");