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const c = @import("c.zig").c;
const errors = @import("errors.zig");
const glad = @import("glad.zig");
const Primitive = @import("primitives.zig").Primitive;
pub fn clearColor(r: f32, g: f32, b: f32, a: f32) void {
glad.context.ClearColor.?(r, g, b, a);
}
pub fn clear(mask: c.GLbitfield) void {
glad.context.Clear.?(mask);
}
pub fn drawArrays(mode: c.GLenum, first: c.GLint, count: c.GLsizei) !void {
glad.context.DrawArrays.?(mode, first, count);
try errors.getError();
}
pub fn drawArraysInstanced(
mode: Primitive,
first: c.GLint,
count: c.GLsizei,
primcount: c.GLsizei,
) !void {
glad.context.DrawArraysInstanced.?(
@intCast(@intFromEnum(mode)),
first,
count,
primcount,
);
try errors.getError();
}
pub fn drawElements(mode: c.GLenum, count: c.GLsizei, typ: c.GLenum, offset: usize) !void {
const offsetPtr = if (offset == 0) null else @as(*const anyopaque, @ptrFromInt(offset));
glad.context.DrawElements.?(mode, count, typ, offsetPtr);
try errors.getError();
}
pub fn drawElementsInstanced(
mode: c.GLenum,
count: c.GLsizei,
typ: c.GLenum,
primcount: c.GLsizei,
) !void {
glad.context.DrawElementsInstanced.?(
mode,
count,
typ,
null,
primcount,
);
try errors.getError();
}
pub fn enable(cap: c.GLenum) !void {
glad.context.Enable.?(cap);
try errors.getError();
}
pub fn disable(cap: c.GLenum) !void {
glad.context.Disable.?(cap);
try errors.getError();
}
pub fn frontFace(mode: c.GLenum) !void {
glad.context.FrontFace.?(mode);
try errors.getError();
}
pub fn blendFunc(sfactor: c.GLenum, dfactor: c.GLenum) !void {
glad.context.BlendFunc.?(sfactor, dfactor);
try errors.getError();
}
pub fn viewport(x: c.GLint, y: c.GLint, width: c.GLsizei, height: c.GLsizei) !void {
glad.context.Viewport.?(x, y, width, height);
}
pub fn pixelStore(mode: c.GLenum, value: anytype) !void {
switch (@typeInfo(@TypeOf(value))) {
.ComptimeInt, .Int => glad.context.PixelStorei.?(mode, value),
else => unreachable,
}
try errors.getError();
}
pub fn finish() void {
glad.context.Finish.?();
}
pub fn flush() void {
glad.context.Flush.?();
}
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