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Diffstat (limited to 'src/sfml/graphics/Shader.zig')
| -rw-r--r-- | src/sfml/graphics/Shader.zig | 96 |
1 files changed, 0 insertions, 96 deletions
diff --git a/src/sfml/graphics/Shader.zig b/src/sfml/graphics/Shader.zig deleted file mode 100644 index ea5072c..0000000 --- a/src/sfml/graphics/Shader.zig +++ /dev/null @@ -1,96 +0,0 @@ -//! Shader class - -const sf = @import("../sfml.zig"); -const glsl = sf.graphics.glsl; - -const Shader = @This(); - -// Constructor/destructor - -/// Creates a shader object from shader files, you can omit some shader types by passing null -pub fn createFromFile( - vertex_shader_path: ?[:0]const u8, - geometry_shader_path: ?[:0]const u8, - fragment_shader_path: ?[:0]const u8 -) !Shader { - const shader = sf.c.sfShader_createFromFile( - if (vertex_shader_path) |vsp| @ptrCast([*c]const u8, vsp) else null, - if (geometry_shader_path) |gsp| @ptrCast([*c]const u8, gsp) else null, - if (fragment_shader_path) |fsp| @ptrCast([*c]const u8, fsp) else null - ); - if (shader) |s| { - return Shader{ ._ptr = s }; - } else return sf.Error.nullptrUnknownReason; -} -/// Create a shader object from glsl code as string, you can omit some shader types by passing null -pub fn createFromMemory( - vertex_shader: ?[:0]const u8, - geometry_shader: ?[:0]const u8, - fragment_shader: ?[:0]const u8 -) !Shader { - const shader = sf.c.sfShader_createFromMemory( - if (vertex_shader) |vs| @ptrCast([*c]const u8, vs) else null, - if (geometry_shader) |gs| @ptrCast([*c]const u8, gs) else null, - if (fragment_shader) |fs| @ptrCast([*c]const u8, fs) else null - ); - if (shader) |s| { - return Shader{ ._ptr = s }; - } else return sf.Error.nullptrUnknownReason; -} -/// Destroys this shader object -pub fn destroy(self: *Shader) void { - sf.c.sfShader_destroy(self._ptr); -} - -// Availability - -/// Checks whether or not shaders can be used in the system -pub fn isAvailable() bool { - return sf.c.sfShader_isAvailable(); -} -/// Checks whether or not geometry shaders can be used -pub fn isGeometryAvailable() bool { - return sf.c.sfShader_isAvailable(); -} - -const CurrentTextureT = struct{}; -/// Special value to pass to setUniform to have an uniform of the texture used for drawing -/// which cannot be known in advance -pub const CurrentTexture: CurrentTextureT = .{}; - -// Uniform - -/// Sets an uniform for the shader -/// Colors are vectors so if you want to pass a color use .toIVec4() or .toFVec4() -/// Pass CurrentTexture if you want to have the drawing texture as an uniform, which cannot be known in advance -pub fn setUniform(self: *Shader, name: [:0]const u8, value: anytype) void { - const T = @TypeOf(value); - switch (T) { - f32 => sf.c.sfShader_setFloatUniform(self._ptr, name, value), - c_int => sf.c.sfShader_setIntUniform(self._ptr, name, value), - bool => sf.c.sfShader_setBoolUniform(self._ptr, name, value), - glsl.FVec2 => sf.c.sfShader_setVec2Uniform(self._ptr, name, value._toCSFML()), - glsl.FVec3 => sf.c.sfShader_setVec3Uniform(self._ptr, name, value._toCSFML()), - glsl.FVec4 => sf.c.sfShader_setVec4Uniform(self._ptr, name, @bitCast(sf.c.sfGlslVec4, value)), - glsl.IVec2 => sf.c.sfShader_setIvec2Uniform(self._ptr, name, value._toCSFML()), - glsl.IVec3 => sf.c.sfShader_setIvec3Uniform(self._ptr, name, @bitCast(sf.c.sfGlslIvec3, value)), - glsl.IVec4 => sf.c.sfShader_setIvec4Uniform(self._ptr, name, @bitCast(sf.c.sfGlslIvec4, value)), - glsl.BVec2 => sf.c.sfShader_setBvec2Uniform(self._ptr, name, @bitCast(sf.c.sfGlslBvec2, value)), - glsl.BVec3 => sf.c.sfShader_setBvec3Uniform(self._ptr, name, @bitCast(sf.c.sfGlslBvec3, value)), - glsl.BVec4 => sf.c.sfShader_setBvec4Uniform(self._ptr, name, @bitCast(sf.c.sfGlslBvec4, value)), - glsl.Mat3 => sf.c.sfShader_setMat3Uniform(self._ptr, name, @ptrCast(*const sf.c.sfGlslMat3, @alignCast(4, &value))), - glsl.Mat4 => sf.c.sfShader_setMat4Uniform(self._ptr, name, @ptrCast(*const sf.c.sfGlslMat4, @alignCast(4, &value))), - sf.graphics.Texture => sf.c.sfShader_setTextureUniform(self._ptr, name, value._get()), - CurrentTextureT => sf.c.sfShader_setCurrentTextureUniform(self._ptr, name), - []const f32 => sf.c.sfShader_setFloatUniformArray(self._ptr, name, value.ptr, value.len), - []const glsl.FVec2 => sf.c.sfShader_setVec2UniformArray(self._ptr, name, @ptrCast(*sf.c.sfGlslVec2, value.ptr), value.len), - []const glsl.FVec3 => sf.c.sfShader_setVec3UniformArray(self._ptr, name, @ptrCast(*sf.c.sfGlslVec3, value.ptr), value.len), - []const glsl.FVec4 => sf.c.sfShader_setVec4UniformArray(self._ptr, name, @ptrCast(*sf.c.sfGlslVec4, value.ptr), value.len), - []const glsl.Mat3 => sf.c.sfShader_setMat3UniformArray(self._ptr, name, @ptrCast(*sf.c.sfGlslMat3, value.ptr), value.len), - []const glsl.Mat4 => sf.c.sfShader_setMat4UniformArray(self._ptr, name, @ptrCast(*sf.c.sfGlslVec4, value.ptr), value.len), - else => @compileError("Uniform of type \"" ++ @typeName(T) ++ "\" cannot be set inside shader.") - } -} - -/// Pointer to the CSFML structure -_ptr: *sf.c.sfShader
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