d3dx9: Implement D3DXGetShaderSize with tests 3/4

[H. Verbeet]

On 08/04/2008, Luis Busquets <luis.busquets at ilidium.com> wrote:
> This patch implements the function D3DXGetShaderSize and adds tests to two
> simple shader which have been extrated from d3d9/tests/shader.c
>
> +    /* We have to look for the end token 0x0000ffff which is D3DVS_END or D3DPS_END as both values are the same*/
> +    while (*address!=D3DVS_END()) {
The comment about D3DSIO_END still stands.

> +#define compare_shader_sizes(shader, exp) \
> +    shade=(DWORD *)shader; \
> +    got=D3DXGetShaderSize(shader); \
> +    ok(got==exp, "Expected: %d, Got: %d\n", exp, got);
This is pretty ugly, but I guess it works.

> +    compare_shader_sizes (simple_vs, 84);
> +    compare_shader_sizes (simple_ps, 88);
Please also test passing a NULL shader.
(FWIW, sizeof(simple_vs) should also work instead of hardcoding 84
here, same for simple_ps)