////////////////////////////////////////////////////////////
//~ Backdrop shader types

Struct(V_BackdropSig)
{
    /* ----------------------------------------------------- */
    Vec2I32 target_size;                        /* 02 consts */
    RWTexture2DRid target_tex;                  /* 01 consts */
    SamplerStateRid sampler;                    /* 01 consts */
    /* ----------------------------------------------------- */
    u32 _pad0;                                  /* 01 consts (padding) */
    u32 _pad1;                                  /* 01 consts (padding) */
    u32 _pad2;                                  /* 01 consts (padding) */
    u32 _pad3;                                  /* 01 consts (padding) */
    /* ----------------------------------------------------- */
};
AssertRootConst(V_BackdropSig, 8);

#define V_BackdropCSThreadSizeFromTexSize(tex_size) VEC3U32((tex_size.x + 7) / 8, (tex_size.y + 7) / 8, 1)

////////////////////////////////////////////////////////////
//~ Quad shader types

Struct(V_DQuadSig)
{
    /* ----------------------------------------------------- */
    Vec2I32 target_size;                        /* 02 consts */
    StructuredBufferRid quads;                  /* 01 consts */
    SamplerStateRid sampler;                    /* 01 consts */
    /* ----------------------------------------------------- */
    b32 debug_enabled;                          /* 01 consts */
    u32 _pad0;                                  /* 01 consts (padding) */
    u32 _pad1;                                  /* 01 consts (padding) */
    u32 _pad2;                                  /* 01 consts (padding) */
    /* ----------------------------------------------------- */
};
AssertRootConst(V_DQuadSig, 8);

Enum(V_DQuadFlag)
{
    V_DQuadFlag_None            = 0,
    V_DQuadFlag_DrawGrid        = (1 << 0),
};

Struct(V_DQuad)
{
    V_DQuadFlag flags;
};

////////////////////////////////////////////////////////////
//~ Shape shader types

Struct(V_DVertSig)
{
    /* ----------------------------------------------------- */
    Vec2I32 target_size;                        /* 02 consts */
    StructuredBufferRid verts;                  /* 01 consts */
    SamplerStateRid sampler;                    /* 01 consts */
    /* ----------------------------------------------------- */
    b32 debug_enabled;                          /* 01 consts */
    u32 _pad0;                                  /* 01 consts (padding) */
    u32 _pad1;                                  /* 01 consts (padding) */
    u32 _pad2;                                  /* 01 consts (padding) */
    /* ----------------------------------------------------- */
};
AssertRootConst(V_DVertSig, 8);

Struct(V_DVert)
{
    Vec2 pos;
    Vec4 color_lin;
};