add sdlgpu renderer

src/shaders/wgsl/basic.wgsl

@@ -31,12 +31,18 @@ fn main_vertex( _S1 : vertexInput_0, @builtin(vertex_index) vertex_index_0 : u32
     return output_0;
 }
 
+fn GetDimensions_0( texture_texture_0 : texture_2d<f32>,  texture_sampler_0 : sampler,  width_0 : ptr<function, f32>,  height_0 : ptr<function, f32>)
+{
+    {var dim = textureDimensions((texture_texture_0));(((*width_0))) = f32(dim.x);(((*height_0))) = f32(dim.y);};
+    return;
+}
+
 fn pixel_art_sample_0( input_texture_texture_0 : texture_2d<f32>,  input_texture_sampler_0 : sampler,  input_uv_0 : vec2<f32>) -> vec4<f32>
 {
     var dimensions_0 : vec2<f32>;
     var _S2 : f32 = dimensions_0[i32(0)];
     var _S3 : f32 = dimensions_0[i32(1)];
-    {var dim = textureDimensions((input_texture_texture_0));((_S2)) = f32(dim.x);((_S3)) = f32(dim.y);};
+    GetDimensions_0(input_texture_texture_0, input_texture_sampler_0, &(_S2), &(_S3));
     dimensions_0[i32(0)] = _S2;
     dimensions_0[i32(1)] = _S3;
     var _S4 : vec2<f32> = input_uv_0 * dimensions_0.xy;